diff --git a/Makefile b/Makefile
index fdcc468d1..35325b18b 100644
--- a/Makefile
+++ b/Makefile
@@ -680,6 +680,7 @@ COMMON_SRC = \
drivers/resource.c \
drivers/rcc.c \
drivers/serial.c \
+ drivers/serial_pinconfig.c \
drivers/serial_uart.c \
drivers/sound_beeper.c \
drivers/stack_check.c \
@@ -894,6 +895,8 @@ SIZE_OPTIMISED_SRC := $(SIZE_OPTIMISED_SRC) \
config/feature.c \
config/parameter_group.c \
config/config_streamer.c \
+ drivers/serial_pinconfig.c \
+ drivers/serial_uart_init.c \
io/serial_4way.c \
io/serial_4way_avrootloader.c \
io/serial_4way_stk500v2.c \
@@ -946,6 +949,7 @@ STM32F10x_COMMON_SRC = \
drivers/gpio_stm32f10x.c \
drivers/inverter.c \
drivers/light_ws2811strip_stdperiph.c \
+ drivers/serial_uart_init.c \
drivers/serial_uart_stm32f10x.c \
drivers/system_stm32f10x.c \
drivers/timer_stm32f10x.c
@@ -958,6 +962,7 @@ STM32F30x_COMMON_SRC = \
drivers/gpio_stm32f30x.c \
drivers/light_ws2811strip_stdperiph.c \
drivers/pwm_output_dshot.c \
+ drivers/serial_uart_init.c \
drivers/serial_uart_stm32f30x.c \
drivers/system_stm32f30x.c \
drivers/timer_stm32f30x.c
@@ -972,6 +977,7 @@ STM32F4xx_COMMON_SRC = \
drivers/inverter.c \
drivers/light_ws2811strip_stdperiph.c \
drivers/pwm_output_dshot.c \
+ drivers/serial_uart_init.c \
drivers/serial_uart_stm32f4xx.c \
drivers/system_stm32f4xx.c \
drivers/timer_stm32f4xx.c
@@ -1008,6 +1014,7 @@ SITLEXCLUDES = \
drivers/system.c \
drivers/rcc.c \
drivers/serial_uart.c \
+ drivers/serial_pinconfig.c \
# check if target.mk supplied
diff --git a/src/main/drivers/serial_pinconfig.c b/src/main/drivers/serial_pinconfig.c
new file mode 100644
index 000000000..3bf873a48
--- /dev/null
+++ b/src/main/drivers/serial_pinconfig.c
@@ -0,0 +1,274 @@
+/*
+ * This file is part of Cleanflight.
+ *
+ * Cleanflight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Cleanflight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Cleanflight. If not, see .
+ */
+
+#include
+#include
+#include
+
+#include "platform.h"
+
+#include "build/build_config.h"
+
+#include "io/serial.h"
+#include "drivers/serial.h"
+#include "drivers/serial_uart.h"
+
+#include "config/parameter_group.h"
+#include "config/parameter_group_ids.h"
+
+// Backward compatibility for exisiting targets
+
+// F1 targets don't explicitly define pins.
+
+#ifdef STM32F1
+#ifdef USE_UART1
+#ifndef UART1_RX_PIN
+#define UART1_RX_PIN PA10
+#endif
+#ifndef UART1_TX_PIN
+#define UART1_TX_PIN PA9
+#endif
+#endif // USE_UART1
+
+#ifdef USE_UART2
+#ifndef UART2_RX_PIN
+#define UART2_RX_PIN PA3
+#endif
+#ifndef UART2_TX_PIN
+#define UART2_TX_PIN PA2
+#endif
+#endif // USE_UART2
+#endif // STM32F1
+
+// XXX Is there an F3 target that does not define UART pins?
+
+#ifdef STM32F3
+#ifdef USE_UART1
+#ifndef UART1_TX_PIN
+#define UART1_TX_PIN PA9
+#endif
+#ifndef UART1_RX_PIN
+#define UART1_RX_PIN PA10
+#endif
+#endif
+
+#ifdef USE_UART2
+#ifndef UART2_TX_PIN
+#define UART2_TX_PIN PD5
+#endif
+#ifndef UART2_RX_PIN
+#define UART2_RX_PIN PD6
+#endif
+#endif
+
+#ifdef USE_UART3
+#ifndef UART3_TX_PIN
+#define UART3_TX_PIN PB10
+#endif
+#ifndef UART3_RX_PIN
+#define UART3_RX_PIN PB11
+#endif
+#endif
+
+#ifdef USE_UART4
+#ifndef UART4_TX_PIN
+#define UART4_TX_PIN PC10
+#endif
+#ifndef UART4_RX_PIN
+#define UART4_RX_PIN PC11
+#endif
+#endif
+
+#ifdef USE_UART5
+#ifndef UART5_TX_PIN
+#define UART5_TX_PIN PC12
+#endif
+#ifndef UART5_RX_PIN
+#define UART5_RX_PIN PD2
+#endif
+#endif
+#endif // STM32F3
+
+// Default pin (NONE).
+
+#ifdef USE_UART1
+# if !defined(UART1_RX_PIN)
+# define UART1_RX_PIN NONE
+# endif
+# if !defined(UART1_TX_PIN)
+# define UART1_TX_PIN NONE
+# endif
+# if !defined(INVERTER_PIN_UART1)
+# define INVERTER_PIN_UART1 NONE
+# endif
+#endif
+
+#ifdef USE_UART2
+# if !defined(UART2_RX_PIN)
+# define UART2_RX_PIN NONE
+# endif
+# if !defined(UART2_TX_PIN)
+# define UART2_TX_PIN NONE
+# endif
+# if !defined(INVERTER_PIN_UART2)
+# define INVERTER_PIN_UART2 NONE
+# endif
+#endif
+
+#ifdef USE_UART3
+# if !defined(UART3_RX_PIN)
+# define UART3_RX_PIN NONE
+# endif
+# if !defined(UART3_TX_PIN)
+# define UART3_TX_PIN NONE
+# endif
+# if !defined(INVERTER_PIN_UART3)
+# define INVERTER_PIN_UART3 NONE
+# endif
+#endif
+
+#ifdef USE_UART4
+# if !defined(UART4_RX_PIN)
+# define UART4_RX_PIN NONE
+# endif
+# if !defined(UART4_TX_PIN)
+# define UART4_TX_PIN NONE
+# endif
+# if !defined(INVERTER_PIN_UART4)
+# define INVERTER_PIN_UART4 NONE
+# endif
+#endif
+
+#ifdef USE_UART5
+# if !defined(UART5_RX_PIN)
+# define UART5_RX_PIN NONE
+# endif
+# if !defined(UART5_TX_PIN)
+# define UART5_TX_PIN NONE
+# endif
+# if !defined(INVERTER_PIN_UART5)
+# define INVERTER_PIN_UART5 NONE
+# endif
+#endif
+
+#ifdef USE_UART6
+# if !defined(UART6_RX_PIN)
+# define UART6_RX_PIN NONE
+# endif
+# if !defined(UART6_TX_PIN)
+# define UART6_TX_PIN NONE
+# endif
+# if !defined(INVERTER_PIN_UART6)
+# define INVERTER_PIN_UART6 NONE
+# endif
+#endif
+
+#ifdef USE_UART7
+# if !defined(UART7_RX_PIN)
+# define UART7_RX_PIN NONE
+# endif
+# if !defined(UART7_TX_PIN)
+# define UART7_TX_PIN NONE
+# endif
+# if !defined(INVERTER_PIN_UART7)
+# define INVERTER_PIN_UART7 NONE
+# endif
+#endif
+
+#ifdef USE_UART8
+# if !defined(UART8_RX_PIN)
+# define UART8_RX_PIN NONE
+# endif
+# if !defined(UART8_TX_PIN)
+# define UART8_TX_PIN NONE
+# endif
+# if !defined(INVERTER_PIN_UART8)
+# define INVERTER_PIN_UART8 NONE
+# endif
+#endif
+
+#ifdef USE_SOFTSERIAL1
+# if !defined(SOFTSERIAL1_RX_PIN)
+# define SOFTSERIAL1_RX_PIN NONE
+# endif
+# if !defined(SOFTSERIAL1_TX_PIN)
+# define SOFTSERIAL1_TX_PIN NONE
+# endif
+#endif
+
+#ifdef USE_SOFTSERIAL2
+# if !defined(SOFTSERIAL2_RX_PIN)
+# define SOFTSERIAL2_RX_PIN NONE
+# endif
+# if !defined(SOFTSERIAL2_TX_PIN)
+# define SOFTSERIAL2_TX_PIN NONE
+# endif
+#endif
+
+#if defined(USE_UART) || defined(USE_SOFTSERIAL1) || defined(USE_SOFTSERIAL1)
+typedef struct serialDefaultPin_s {
+ serialPortIdentifier_e ident;
+ ioTag_t rxIO, txIO, inverterIO;
+} serialDefaultPin_t;
+
+static const serialDefaultPin_t serialDefaultPin[] = {
+#ifdef USE_UART1
+ { SERIAL_PORT_USART1, IO_TAG(UART1_RX_PIN), IO_TAG(UART1_TX_PIN), IO_TAG(INVERTER_PIN_UART1) },
+#endif
+#ifdef USE_UART2
+ { SERIAL_PORT_USART2, IO_TAG(UART2_RX_PIN), IO_TAG(UART2_TX_PIN), IO_TAG(INVERTER_PIN_UART2) },
+#endif
+#ifdef USE_UART3
+ { SERIAL_PORT_USART3, IO_TAG(UART3_RX_PIN), IO_TAG(UART3_TX_PIN), IO_TAG(INVERTER_PIN_UART3) },
+#endif
+#ifdef USE_UART4
+ { SERIAL_PORT_UART4, IO_TAG(UART4_RX_PIN), IO_TAG(UART4_TX_PIN), IO_TAG(INVERTER_PIN_UART4) },
+#endif
+#ifdef USE_UART5
+ { SERIAL_PORT_UART5, IO_TAG(UART5_RX_PIN), IO_TAG(UART5_TX_PIN), IO_TAG(INVERTER_PIN_UART5) },
+#endif
+#ifdef USE_UART6
+ { SERIAL_PORT_USART6, IO_TAG(UART6_RX_PIN), IO_TAG(UART6_TX_PIN), IO_TAG(INVERTER_PIN_UART6) },
+#endif
+#ifdef USE_UART7
+ { SERIAL_PORT_USART7, IO_TAG(UART7_RX_PIN), IO_TAG(UART7_TX_PIN), IO_TAG(INVERTER_PIN_UART7) },
+#endif
+#ifdef USE_UART8
+ { SERIAL_PORT_USART8, IO_TAG(UART8_RX_PIN), IO_TAG(UART8_TX_PIN), IO_TAG(INVERTER_PIN_UART8) },
+#endif
+#ifdef USE_SOFTSERIAL1
+ { SERIAL_PORT_SOFTSERIAL1, IO_TAG(SOFTSERIAL1_RX_PIN), IO_TAG(SOFTSERIAL1_TX_PIN), IO_TAG(NONE) },
+#endif
+#ifdef USE_SOFTSERIAL2
+ { SERIAL_PORT_SOFTSERIAL2, IO_TAG(SOFTSERIAL2_RX_PIN), IO_TAG(SOFTSERIAL2_TX_PIN), IO_TAG(NONE) },
+#endif
+};
+
+PG_REGISTER_WITH_RESET_FN(serialPinConfig_t, serialPinConfig, PG_SERIAL_PIN_CONFIG, 0);
+
+void pgResetFn_serialPinConfig(serialPinConfig_t *serialPinConfig)
+{
+ memset(serialPinConfig, 0, sizeof(*serialPinConfig));
+
+ for (size_t index = 0 ; index < ARRAYLEN(serialDefaultPin) ; index++) {
+ const serialDefaultPin_t *defpin = &serialDefaultPin[index];
+ serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(defpin->ident)] = defpin->rxIO;
+ serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(defpin->ident)] = defpin->txIO;
+ serialPinConfig->ioTagInverter[SERIAL_PORT_IDENTIFIER_TO_INDEX(defpin->ident)] = defpin->inverterIO;
+ }
+}
+#endif
diff --git a/src/main/drivers/serial_uart.c b/src/main/drivers/serial_uart.c
index 77da0f992..d439a9e78 100644
--- a/src/main/drivers/serial_uart.c
+++ b/src/main/drivers/serial_uart.c
@@ -17,9 +17,11 @@
/*
* Authors:
+ * jflyper - Refactoring, cleanup and made pin-configurable
* Dominic Clifton - Serial port abstraction, Separation of common STM32 code for cleanflight, various cleanups.
* Hamasaki/Timecop - Initial baseflight code
*/
+
#include
#include
@@ -29,207 +31,12 @@
#include "common/utils.h"
#include "drivers/gpio.h"
-#include "inverter.h"
+#include "drivers/inverter.h"
+#include "drivers/rcc.h"
-#include "serial.h"
-#include "serial_uart.h"
-#include "serial_uart_impl.h"
-
-static void usartConfigurePinInversion(uartPort_t *uartPort) {
-#if !defined(USE_INVERTER) && !defined(STM32F303xC)
- UNUSED(uartPort);
-#else
- bool inverted = uartPort->port.options & SERIAL_INVERTED;
-
-#ifdef USE_INVERTER
- if (inverted) {
- // Enable hardware inverter if available.
- enableInverter(uartPort->USARTx, true);
- }
-#endif
-
-#ifdef STM32F303xC
- uint32_t inversionPins = 0;
-
- if (uartPort->port.mode & MODE_TX) {
- inversionPins |= USART_InvPin_Tx;
- }
- if (uartPort->port.mode & MODE_RX) {
- inversionPins |= USART_InvPin_Rx;
- }
-
- USART_InvPinCmd(uartPort->USARTx, inversionPins, inverted ? ENABLE : DISABLE);
-#endif
-#endif
-}
-
-static void uartReconfigure(uartPort_t *uartPort)
-{
- USART_InitTypeDef USART_InitStructure;
- USART_Cmd(uartPort->USARTx, DISABLE);
-
- USART_InitStructure.USART_BaudRate = uartPort->port.baudRate;
-
- // according to the stm32 documentation wordlen has to be 9 for parity bits
- // this does not seem to matter for rx but will give bad data on tx!
- if (uartPort->port.options & SERIAL_PARITY_EVEN) {
- USART_InitStructure.USART_WordLength = USART_WordLength_9b;
- } else {
- USART_InitStructure.USART_WordLength = USART_WordLength_8b;
- }
-
- USART_InitStructure.USART_StopBits = (uartPort->port.options & SERIAL_STOPBITS_2) ? USART_StopBits_2 : USART_StopBits_1;
- USART_InitStructure.USART_Parity = (uartPort->port.options & SERIAL_PARITY_EVEN) ? USART_Parity_Even : USART_Parity_No;
-
- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
- USART_InitStructure.USART_Mode = 0;
- if (uartPort->port.mode & MODE_RX)
- USART_InitStructure.USART_Mode |= USART_Mode_Rx;
- if (uartPort->port.mode & MODE_TX)
- USART_InitStructure.USART_Mode |= USART_Mode_Tx;
-
- USART_Init(uartPort->USARTx, &USART_InitStructure);
-
- usartConfigurePinInversion(uartPort);
-
- if(uartPort->port.options & SERIAL_BIDIR)
- USART_HalfDuplexCmd(uartPort->USARTx, ENABLE);
- else
- USART_HalfDuplexCmd(uartPort->USARTx, DISABLE);
-
- USART_Cmd(uartPort->USARTx, ENABLE);
-}
-
-serialPort_t *uartOpen(UARTDevice device, serialReceiveCallbackPtr rxCallback, uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- uartPort_t *s = serialUART(device, baudRate, mode, options);
-
- if (!s)
- return (serialPort_t *)s;
-
- s->txDMAEmpty = true;
-
- // common serial initialisation code should move to serialPort::init()
- s->port.rxBufferHead = s->port.rxBufferTail = 0;
- s->port.txBufferHead = s->port.txBufferTail = 0;
- // callback works for IRQ-based RX ONLY
- s->port.rxCallback = rxCallback;
- s->port.mode = mode;
- s->port.baudRate = baudRate;
- s->port.options = options;
-
- uartReconfigure(s);
-
- // Receive DMA or IRQ
- DMA_InitTypeDef DMA_InitStructure;
- if (mode & MODE_RX) {
-#ifdef STM32F4
- if (s->rxDMAStream) {
- DMA_StructInit(&DMA_InitStructure);
- DMA_InitStructure.DMA_PeripheralBaseAddr = s->rxDMAPeripheralBaseAddr;
- DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
- DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable ;
- DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_1QuarterFull ;
- DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single ;
- DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
-#else
- if (s->rxDMAChannel) {
- DMA_StructInit(&DMA_InitStructure);
- DMA_InitStructure.DMA_PeripheralBaseAddr = s->rxDMAPeripheralBaseAddr;
- DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
-#endif
- DMA_InitStructure.DMA_BufferSize = s->port.rxBufferSize;
-
-#ifdef STM32F4
- DMA_InitStructure.DMA_Channel = s->rxDMAChannel;
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
- DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
- DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)s->port.rxBuffer;
- DMA_DeInit(s->rxDMAStream);
- DMA_Init(s->rxDMAStream, &DMA_InitStructure);
- DMA_Cmd(s->rxDMAStream, ENABLE);
- USART_DMACmd(s->USARTx, USART_DMAReq_Rx, ENABLE);
- s->rxDMAPos = DMA_GetCurrDataCounter(s->rxDMAStream);
-#else
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
- DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
- DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)s->port.rxBuffer;
- DMA_DeInit(s->rxDMAChannel);
- DMA_Init(s->rxDMAChannel, &DMA_InitStructure);
- DMA_Cmd(s->rxDMAChannel, ENABLE);
- USART_DMACmd(s->USARTx, USART_DMAReq_Rx, ENABLE);
- s->rxDMAPos = DMA_GetCurrDataCounter(s->rxDMAChannel);
-#endif
- } else {
- USART_ClearITPendingBit(s->USARTx, USART_IT_RXNE);
- USART_ITConfig(s->USARTx, USART_IT_RXNE, ENABLE);
- }
- }
-
- // Transmit DMA or IRQ
- if (mode & MODE_TX) {
-#ifdef STM32F4
- if (s->txDMAStream) {
- DMA_StructInit(&DMA_InitStructure);
- DMA_InitStructure.DMA_PeripheralBaseAddr = s->txDMAPeripheralBaseAddr;
- DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
- DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable ;
- DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_1QuarterFull ;
- DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single ;
- DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
-#else
- if (s->txDMAChannel) {
- DMA_StructInit(&DMA_InitStructure);
- DMA_InitStructure.DMA_PeripheralBaseAddr = s->txDMAPeripheralBaseAddr;
- DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
-#endif
- DMA_InitStructure.DMA_BufferSize = s->port.txBufferSize;
-
-#ifdef STM32F4
- DMA_InitStructure.DMA_Channel = s->txDMAChannel;
- DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
- DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
- DMA_DeInit(s->txDMAStream);
- DMA_Init(s->txDMAStream, &DMA_InitStructure);
- DMA_ITConfig(s->txDMAStream, DMA_IT_TC | DMA_IT_FE | DMA_IT_TE | DMA_IT_DME, ENABLE);
- DMA_SetCurrDataCounter(s->txDMAStream, 0);
-#else
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
- DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
- DMA_DeInit(s->txDMAChannel);
- DMA_Init(s->txDMAChannel, &DMA_InitStructure);
- DMA_ITConfig(s->txDMAChannel, DMA_IT_TC, ENABLE);
- DMA_SetCurrDataCounter(s->txDMAChannel, 0);
- s->txDMAChannel->CNDTR = 0;
-#endif
- USART_DMACmd(s->USARTx, USART_DMAReq_Tx, ENABLE);
- } else {
- USART_ITConfig(s->USARTx, USART_IT_TXE, ENABLE);
- }
- }
-
- USART_Cmd(s->USARTx, ENABLE);
-
- return (serialPort_t *)s;
-}
+#include "drivers/serial.h"
+#include "drivers/serial_uart.h"
+#include "drivers/serial_uart_impl.h"
void uartSetBaudRate(serialPort_t *instance, uint32_t baudRate)
{
@@ -417,3 +224,75 @@ const struct serialPortVTable uartVTable[] = {
.endWrite = NULL,
}
};
+
+#ifdef USE_UART1
+// USART1 Rx/Tx IRQ Handler
+void USART1_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_1]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART2
+// USART2 Rx/Tx IRQ Handler
+void USART2_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_2]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART3
+// USART3 Rx/Tx IRQ Handler
+void USART3_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_3]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART4
+// UART4 Rx/Tx IRQ Handler
+void UART4_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_4]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART5
+// UART5 Rx/Tx IRQ Handler
+void UART5_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_5]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART6
+// USART6 Rx/Tx IRQ Handler
+void USART6_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_6]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART7
+// UART7 Rx/Tx IRQ Handler
+void UART7_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_7]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART8
+// UART8 Rx/Tx IRQ Handler
+void UART8_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_8]->port);
+ uartIrqHandler(s);
+}
+#endif
diff --git a/src/main/drivers/serial_uart.h b/src/main/drivers/serial_uart.h
index 3ee9a2c1b..f79833f53 100644
--- a/src/main/drivers/serial_uart.h
+++ b/src/main/drivers/serial_uart.h
@@ -23,22 +23,10 @@
// Size must be a power of two due to various optimizations which use 'and' instead of 'mod'
// Various serial routines return the buffer occupied size as uint8_t which would need to be extended in order to
// increase size further.
-#define UART1_RX_BUFFER_SIZE 256
-#define UART1_TX_BUFFER_SIZE 256
-#define UART2_RX_BUFFER_SIZE 256
-#define UART2_TX_BUFFER_SIZE 256
-#define UART3_RX_BUFFER_SIZE 256
-#define UART3_TX_BUFFER_SIZE 256
-#define UART4_RX_BUFFER_SIZE 256
-#define UART4_TX_BUFFER_SIZE 256
-#define UART5_RX_BUFFER_SIZE 256
-#define UART5_TX_BUFFER_SIZE 256
-#define UART6_RX_BUFFER_SIZE 256
-#define UART6_TX_BUFFER_SIZE 256
-#define UART7_RX_BUFFER_SIZE 256
-#define UART7_TX_BUFFER_SIZE 256
-#define UART8_RX_BUFFER_SIZE 256
-#define UART8_TX_BUFFER_SIZE 256
+
+#if defined(USE_UART1) || defined(USE_UART2) || defined(USE_UART3) || defined(USE_UART4) || defined(USE_UART5) || defined(USE_UART6) || defined(USE_UART7) || defined(USE_UART8)
+#define USE_UART
+#endif
typedef enum UARTDevice {
UARTDEV_1 = 0,
@@ -51,7 +39,7 @@ typedef enum UARTDevice {
UARTDEV_8 = 7
} UARTDevice;
-typedef struct {
+typedef struct uartPort_s {
serialPort_t port;
#if defined(STM32F7)
@@ -83,6 +71,7 @@ typedef struct {
USART_TypeDef *USARTx;
} uartPort_t;
+void uartPinConfigure(const serialPinConfig_t *pSerialPinConfig);
serialPort_t *uartOpen(UARTDevice device, serialReceiveCallbackPtr rxCallback, uint32_t baudRate, portMode_t mode, portOptions_t options);
// serialPort API
diff --git a/src/main/drivers/serial_uart_hal.c b/src/main/drivers/serial_uart_hal.c
index 1fe72cf50..c9d84000e 100644
--- a/src/main/drivers/serial_uart_hal.c
+++ b/src/main/drivers/serial_uart_hal.c
@@ -17,6 +17,7 @@
/*
* Authors:
+ * jflyper - Refactoring, cleanup and made pin-configurable
* Dominic Clifton - Serial port abstraction, Separation of common STM32 code for cleanflight, various cleanups.
* Hamasaki/Timecop - Initial baseflight code
*/
@@ -31,12 +32,40 @@
#include "common/utils.h"
#include "drivers/io.h"
#include "drivers/nvic.h"
-#include "inverter.h"
-#include "dma.h"
+#include "drivers/inverter.h"
+#include "drivers/dma.h"
+#include "drivers/rcc.h"
-#include "serial.h"
-#include "serial_uart.h"
-#include "serial_uart_impl.h"
+#include "drivers/serial.h"
+#include "drivers/serial_uart.h"
+#include "drivers/serial_uart_impl.h"
+
+uartDevice_t uartDevice[UARTDEV_COUNT]; // Only configured in target.h
+uartDevice_t *uartDevmap[UARTDEV_COUNT_MAX]; // Full array
+
+void uartPinConfigure(const serialPinConfig_t *pSerialPinConfig)
+{
+ uartDevice_t *uartdev = uartDevice;
+
+ for (size_t hindex = 0 ; hindex < UARTDEV_COUNT ; hindex++) {
+
+ const uartHardware_t *hardware = &uartHardware[hindex];
+ UARTDevice device = hardware->device;
+
+ for (int pair = 0 ; pair < UARTHARDWARE_PINPAIR_COUNT ; pair++) {
+ if (hardware->pinPair[pair].rx == pSerialPinConfig->ioTagRx[device]
+ && hardware->pinPair[pair].tx == pSerialPinConfig->ioTagTx[device]) {
+ // Matching pin pair found
+
+ uartdev->hardware = hardware;
+ uartdev->rx = hardware->pinPair[pair].rx;
+ uartdev->tx = hardware->pinPair[pair].tx;
+ uartDevmap[device] = uartdev++;
+ break;
+ }
+ }
+ }
+}
static void usartConfigurePinInversion(uartPort_t *uartPort) {
bool inverted = uartPort->port.options & SERIAL_INVERTED;
@@ -56,7 +85,7 @@ static void usartConfigurePinInversion(uartPort_t *uartPort) {
}
}
-static void uartReconfigure(uartPort_t *uartPort)
+void uartReconfigure(uartPort_t *uartPort)
{
/*RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit;
RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_USART2|RCC_PERIPHCLK_USART3|
@@ -357,3 +386,75 @@ const struct serialPortVTable uartVTable[] = {
.endWrite = NULL,
}
};
+
+#ifdef USE_UART1
+// USART1 Rx/Tx IRQ Handler
+void USART1_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_1]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART2
+// USART2 Rx/Tx IRQ Handler
+void USART2_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_2]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART3
+// USART3 Rx/Tx IRQ Handler
+void USART3_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_3]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART4
+// UART4 Rx/Tx IRQ Handler
+void UART4_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_4]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART5
+// UART5 Rx/Tx IRQ Handler
+void UART5_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_5]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART6
+// USART6 Rx/Tx IRQ Handler
+void USART6_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_6]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART7
+// UART7 Rx/Tx IRQ Handler
+void UART7_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_7]->port);
+ uartIrqHandler(s);
+}
+#endif
+
+#ifdef USE_UART8
+// UART8 Rx/Tx IRQ Handler
+void UART8_IRQHandler(void)
+{
+ uartPort_t *s = &(uartDevmap[UARTDEV_8]->port);
+ uartIrqHandler(s);
+}
+#endif
diff --git a/src/main/drivers/serial_uart_impl.h b/src/main/drivers/serial_uart_impl.h
index 4f3456a46..82df2bd39 100644
--- a/src/main/drivers/serial_uart_impl.h
+++ b/src/main/drivers/serial_uart_impl.h
@@ -17,10 +17,158 @@
#pragma once
-// device specific uart implementation is defined here
+// Configuration constants
+
+#if defined(STM32F1)
+#define UARTDEV_COUNT_MAX 3
+#define UARTHARDWARE_PINPAIR_COUNT 3
+#ifndef UART_RX_BUFFER_SIZE
+#define UART_RX_BUFFER_SIZE 256
+#endif
+#ifndef UART_TX_BUFFER_SIZE
+#define UART_TX_BUFFER_SIZE 256
+#endif
+#elif defined(STM32F3)
+#define UARTDEV_COUNT_MAX 5
+#define UARTHARDWARE_PINPAIR_COUNT 4
+#ifndef UART_RX_BUFFER_SIZE
+#define UART_RX_BUFFER_SIZE 256
+#endif
+#ifndef UART_TX_BUFFER_SIZE
+#define UART_TX_BUFFER_SIZE 256
+#endif
+#elif defined(STM32F4)
+#define UARTDEV_COUNT_MAX 6
+#define UARTHARDWARE_PINPAIR_COUNT 4
+#ifndef UART_RX_BUFFER_SIZE
+#define UART_RX_BUFFER_SIZE 512
+#endif
+#ifndef UART_TX_BUFFER_SIZE
+#define UART_TX_BUFFER_SIZE 512
+#endif
+#elif defined(STM32F7)
+#define UARTDEV_COUNT_MAX 8
+#define UARTHARDWARE_PINPAIR_COUNT 3
+#ifndef UART_RX_BUFFER_SIZE
+#define UART_RX_BUFFER_SIZE 512
+#endif
+#ifndef UART_TX_BUFFER_SIZE
+#define UART_TX_BUFFER_SIZE 512
+#endif
+#else
+#error unknown MCU family
+#endif
+
+// Count number of configured UARTs
+
+#ifdef USE_UART1
+#define UARTDEV_COUNT_1 1
+#else
+#define UARTDEV_COUNT_1 0
+#endif
+
+#ifdef USE_UART2
+#define UARTDEV_COUNT_2 1
+#else
+#define UARTDEV_COUNT_2 0
+#endif
+
+#ifdef USE_UART3
+#define UARTDEV_COUNT_3 1
+#else
+#define UARTDEV_COUNT_3 0
+#endif
+
+#ifdef USE_UART4
+#define UARTDEV_COUNT_4 1
+#else
+#define UARTDEV_COUNT_4 0
+#endif
+
+#ifdef USE_UART5
+#define UARTDEV_COUNT_5 1
+#else
+#define UARTDEV_COUNT_5 0
+#endif
+
+#ifdef USE_UART6
+#define UARTDEV_COUNT_6 1
+#else
+#define UARTDEV_COUNT_6 0
+#endif
+
+#ifdef USE_UART7
+#define UARTDEV_COUNT_7 1
+#else
+#define UARTDEV_COUNT_7 0
+#endif
+
+#ifdef USE_UART8
+#define UARTDEV_COUNT_8 1
+#else
+#define UARTDEV_COUNT_8 0
+#endif
+
+#define UARTDEV_COUNT (UARTDEV_COUNT_1 + UARTDEV_COUNT_2 + UARTDEV_COUNT_3 + UARTDEV_COUNT_4 + UARTDEV_COUNT_5 + UARTDEV_COUNT_6 + UARTDEV_COUNT_7 + UARTDEV_COUNT_8)
+
+typedef struct uartPinPair_s {
+ ioTag_t rx;
+ ioTag_t tx;
+} uartPinPair_t;
+
+typedef struct uartHardware_s {
+ UARTDevice device; // XXX Not required for full allocation
+ USART_TypeDef* reg;
+#if defined(STM32F1) || defined(STM32F3)
+ DMA_Channel_TypeDef *txDMAChannel;
+ DMA_Channel_TypeDef *rxDMAChannel;
+#elif defined(STM32F4) || defined(STM32F7)
+ uint32_t DMAChannel;
+ DMA_Stream_TypeDef *txDMAStream;
+ DMA_Stream_TypeDef *rxDMAStream;
+#endif
+ uartPinPair_t pinPair[UARTHARDWARE_PINPAIR_COUNT];
+#if defined(STM32F7)
+ uint32_t rcc_ahb1;
+ rccPeriphTag_t rcc_apb2;
+ rccPeriphTag_t rcc_apb1;
+#else
+ rccPeriphTag_t rcc;
+#endif
+ uint8_t af;
+#if defined(STM32F7)
+ uint8_t txIrq;
+ uint8_t rxIrq;
+#else
+ uint8_t irqn;
+#endif
+ uint8_t txPriority;
+ uint8_t rxPriority;
+} uartHardware_t;
+
+extern const uartHardware_t uartHardware[];
+
+// uartDevice_t is an actual device instance.
+// XXX Instances are allocated for uarts defined by USE_UARTx atm.
+
+typedef struct uartDevice_s {
+ uartPort_t port;
+ const uartHardware_t *hardware;
+ ioTag_t rx;
+ ioTag_t tx;
+ volatile uint8_t rxBuffer[UART_RX_BUFFER_SIZE];
+ volatile uint8_t txBuffer[UART_TX_BUFFER_SIZE];
+} uartDevice_t;
+
+extern uartDevice_t uartDevice[];
+extern uartDevice_t *uartDevmap[];
extern const struct serialPortVTable uartVTable[];
void uartStartTxDMA(uartPort_t *s);
uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, portOptions_t options);
+
+void uartIrqHandler(uartPort_t *s);
+
+void uartReconfigure(uartPort_t *uartPort);
diff --git a/src/main/drivers/serial_uart_init.c b/src/main/drivers/serial_uart_init.c
new file mode 100644
index 000000000..1390b1134
--- /dev/null
+++ b/src/main/drivers/serial_uart_init.c
@@ -0,0 +1,266 @@
+/*
+ * This file is part of Cleanflight.
+ *
+ * Cleanflight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Cleanflight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Cleanflight. If not, see .
+ */
+
+/*
+ * Initialization part of serial_uart.c
+ */
+
+/*
+ * Authors:
+ * jflyper - Refactoring, cleanup and made pin-configurable
+ * Dominic Clifton - Serial port abstraction, Separation of common STM32 code for cleanflight, various cleanups.
+ * Hamasaki/Timecop - Initial baseflight code
+*/
+
+#include
+#include
+
+#include "platform.h"
+
+#include "build/build_config.h"
+
+#include "common/utils.h"
+#include "drivers/gpio.h"
+#include "drivers/inverter.h"
+#include "drivers/rcc.h"
+
+#include "drivers/serial.h"
+#include "drivers/serial_uart.h"
+#include "drivers/serial_uart_impl.h"
+
+uartDevice_t uartDevice[UARTDEV_COUNT]; // Only those configured in target.h
+uartDevice_t *uartDevmap[UARTDEV_COUNT_MAX]; // Full array
+
+void uartPinConfigure(const serialPinConfig_t *pSerialPinConfig)
+{
+ uartDevice_t *uartdev = uartDevice;
+
+ for (size_t hindex = 0; hindex < UARTDEV_COUNT_MAX; hindex++) {
+
+ const uartHardware_t *hardware = &uartHardware[hindex];
+ UARTDevice device = hardware->device;
+
+ for (int pair = 0 ; pair < UARTHARDWARE_PINPAIR_COUNT ; pair++) {
+ if (hardware->pinPair[pair].rx == pSerialPinConfig->ioTagRx[device]
+ && hardware->pinPair[pair].tx == pSerialPinConfig->ioTagTx[device]) {
+ // Matching pin pair found
+
+ uartdev->hardware = hardware;
+ uartdev->rx = hardware->pinPair[pair].rx;
+ uartdev->tx = hardware->pinPair[pair].tx;
+ uartDevmap[device] = uartdev++;
+ break;
+ }
+ }
+ }
+}
+
+static void usartConfigurePinInversion(uartPort_t *uartPort) {
+#if !defined(USE_INVERTER) && !defined(STM32F303xC)
+ UNUSED(uartPort);
+#else
+ bool inverted = uartPort->port.options & SERIAL_INVERTED;
+
+#ifdef USE_INVERTER
+ if (inverted) {
+ // Enable hardware inverter if available.
+ enableInverter(uartPort->USARTx, true);
+ }
+#endif
+
+#ifdef STM32F303xC
+ uint32_t inversionPins = 0;
+
+ if (uartPort->port.mode & MODE_TX) {
+ inversionPins |= USART_InvPin_Tx;
+ }
+ if (uartPort->port.mode & MODE_RX) {
+ inversionPins |= USART_InvPin_Rx;
+ }
+
+ USART_InvPinCmd(uartPort->USARTx, inversionPins, inverted ? ENABLE : DISABLE);
+#endif
+#endif
+}
+
+void uartReconfigure(uartPort_t *uartPort)
+{
+ USART_InitTypeDef USART_InitStructure;
+ USART_Cmd(uartPort->USARTx, DISABLE);
+
+ USART_InitStructure.USART_BaudRate = uartPort->port.baudRate;
+
+ // according to the stm32 documentation wordlen has to be 9 for parity bits
+ // this does not seem to matter for rx but will give bad data on tx!
+ if (uartPort->port.options & SERIAL_PARITY_EVEN) {
+ USART_InitStructure.USART_WordLength = USART_WordLength_9b;
+ } else {
+ USART_InitStructure.USART_WordLength = USART_WordLength_8b;
+ }
+
+ USART_InitStructure.USART_StopBits = (uartPort->port.options & SERIAL_STOPBITS_2) ? USART_StopBits_2 : USART_StopBits_1;
+ USART_InitStructure.USART_Parity = (uartPort->port.options & SERIAL_PARITY_EVEN) ? USART_Parity_Even : USART_Parity_No;
+
+ USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+ USART_InitStructure.USART_Mode = 0;
+ if (uartPort->port.mode & MODE_RX)
+ USART_InitStructure.USART_Mode |= USART_Mode_Rx;
+ if (uartPort->port.mode & MODE_TX)
+ USART_InitStructure.USART_Mode |= USART_Mode_Tx;
+
+ USART_Init(uartPort->USARTx, &USART_InitStructure);
+
+ usartConfigurePinInversion(uartPort);
+
+ if(uartPort->port.options & SERIAL_BIDIR)
+ USART_HalfDuplexCmd(uartPort->USARTx, ENABLE);
+ else
+ USART_HalfDuplexCmd(uartPort->USARTx, DISABLE);
+
+ USART_Cmd(uartPort->USARTx, ENABLE);
+}
+
+serialPort_t *uartOpen(UARTDevice device, serialReceiveCallbackPtr rxCallback, uint32_t baudRate, portMode_t mode, portOptions_t options)
+{
+ uartPort_t *s = serialUART(device, baudRate, mode, options);
+
+ if (!s)
+ return (serialPort_t *)s;
+
+ s->txDMAEmpty = true;
+
+ // common serial initialisation code should move to serialPort::init()
+ s->port.rxBufferHead = s->port.rxBufferTail = 0;
+ s->port.txBufferHead = s->port.txBufferTail = 0;
+ // callback works for IRQ-based RX ONLY
+ s->port.rxCallback = rxCallback;
+ s->port.mode = mode;
+ s->port.baudRate = baudRate;
+ s->port.options = options;
+
+ uartReconfigure(s);
+
+ // Receive DMA or IRQ
+ DMA_InitTypeDef DMA_InitStructure;
+ if (mode & MODE_RX) {
+#ifdef STM32F4
+ if (s->rxDMAStream) {
+ DMA_StructInit(&DMA_InitStructure);
+ DMA_InitStructure.DMA_PeripheralBaseAddr = s->rxDMAPeripheralBaseAddr;
+ DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
+ DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+ DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
+ DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+ DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
+ DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable ;
+ DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_1QuarterFull ;
+ DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single ;
+ DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
+#else
+ if (s->rxDMAChannel) {
+ DMA_StructInit(&DMA_InitStructure);
+ DMA_InitStructure.DMA_PeripheralBaseAddr = s->rxDMAPeripheralBaseAddr;
+ DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
+ DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
+ DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+ DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
+ DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+ DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
+#endif
+ DMA_InitStructure.DMA_BufferSize = s->port.rxBufferSize;
+
+#ifdef STM32F4
+ DMA_InitStructure.DMA_Channel = s->rxDMAChannel;
+ DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
+ DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
+ DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)s->port.rxBuffer;
+ DMA_DeInit(s->rxDMAStream);
+ DMA_Init(s->rxDMAStream, &DMA_InitStructure);
+ DMA_Cmd(s->rxDMAStream, ENABLE);
+ USART_DMACmd(s->USARTx, USART_DMAReq_Rx, ENABLE);
+ s->rxDMAPos = DMA_GetCurrDataCounter(s->rxDMAStream);
+#else
+ DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
+ DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
+ DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)s->port.rxBuffer;
+ DMA_DeInit(s->rxDMAChannel);
+ DMA_Init(s->rxDMAChannel, &DMA_InitStructure);
+ DMA_Cmd(s->rxDMAChannel, ENABLE);
+ USART_DMACmd(s->USARTx, USART_DMAReq_Rx, ENABLE);
+ s->rxDMAPos = DMA_GetCurrDataCounter(s->rxDMAChannel);
+#endif
+ } else {
+ USART_ClearITPendingBit(s->USARTx, USART_IT_RXNE);
+ USART_ITConfig(s->USARTx, USART_IT_RXNE, ENABLE);
+ }
+ }
+
+ // Transmit DMA or IRQ
+ if (mode & MODE_TX) {
+#ifdef STM32F4
+ if (s->txDMAStream) {
+ DMA_StructInit(&DMA_InitStructure);
+ DMA_InitStructure.DMA_PeripheralBaseAddr = s->txDMAPeripheralBaseAddr;
+ DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
+ DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+ DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
+ DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+ DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
+ DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable ;
+ DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_1QuarterFull ;
+ DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single ;
+ DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
+#else
+ if (s->txDMAChannel) {
+ DMA_StructInit(&DMA_InitStructure);
+ DMA_InitStructure.DMA_PeripheralBaseAddr = s->txDMAPeripheralBaseAddr;
+ DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
+ DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
+ DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+ DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
+ DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+ DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
+#endif
+ DMA_InitStructure.DMA_BufferSize = s->port.txBufferSize;
+
+#ifdef STM32F4
+ DMA_InitStructure.DMA_Channel = s->txDMAChannel;
+ DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
+ DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
+ DMA_DeInit(s->txDMAStream);
+ DMA_Init(s->txDMAStream, &DMA_InitStructure);
+ DMA_ITConfig(s->txDMAStream, DMA_IT_TC | DMA_IT_FE | DMA_IT_TE | DMA_IT_DME, ENABLE);
+ DMA_SetCurrDataCounter(s->txDMAStream, 0);
+#else
+ DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
+ DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
+ DMA_DeInit(s->txDMAChannel);
+ DMA_Init(s->txDMAChannel, &DMA_InitStructure);
+ DMA_ITConfig(s->txDMAChannel, DMA_IT_TC, ENABLE);
+ DMA_SetCurrDataCounter(s->txDMAChannel, 0);
+ s->txDMAChannel->CNDTR = 0;
+#endif
+ USART_DMACmd(s->USARTx, USART_DMAReq_Tx, ENABLE);
+ } else {
+ USART_ITConfig(s->USARTx, USART_IT_TXE, ENABLE);
+ }
+ }
+
+ USART_Cmd(s->USARTx, ENABLE);
+
+ return (serialPort_t *)s;
+}
diff --git a/src/main/drivers/serial_uart_stm32f10x.c b/src/main/drivers/serial_uart_stm32f10x.c
index 98435f6cf..edb83e924 100644
--- a/src/main/drivers/serial_uart_stm32f10x.c
+++ b/src/main/drivers/serial_uart_stm32f10x.c
@@ -17,6 +17,7 @@
/*
* Authors:
+ * jflyper - Refactoring, cleanup and made pin-configurable
* Dominic Clifton/Hydra - Various cleanups for Cleanflight
* Bill Nesbitt - Code from AutoQuad
* Hamasaki/Timecop - Initial baseflight code
@@ -30,26 +31,172 @@
#include "drivers/system.h"
#include "drivers/io.h"
#include "drivers/nvic.h"
-#include "dma.h"
-#include "rcc.h"
+#include "drivers/dma.h"
+#include "drivers/rcc.h"
-#include "serial.h"
-#include "serial_uart.h"
-#include "serial_uart_impl.h"
+#include "drivers/serial.h"
+#include "drivers/serial_uart.h"
+#include "drivers/serial_uart_impl.h"
+#ifdef USE_UART
+
+#ifdef USE_UART1_RX_DMA
+# define UART1_RX_DMA_CHANNEL DMA1_Channel5
+#else
+# define UART1_RX_DMA_CHANNEL 0
+#endif
+
+#ifdef USE_UART1_TX_DMA
+# define UART1_TX_DMA_CHANNEL DMA1_Channel4
+#else
+# define UART1_TX_DMA_CHANNEL 0
+#endif
+
+#define UART2_RX_DMA_CHANNEL 0
+#define UART2_TX_DMA_CHANNEL 0
+#define UART3_RX_DMA_CHANNEL 0
+#define UART3_TX_DMA_CHANNEL 0
+
+const uartHardware_t uartHardware[UARTDEV_COUNT] = {
#ifdef USE_UART1
-static uartPort_t uartPort1;
+ {
+ .device = UARTDEV_1,
+ .reg = USART1,
+ .rxDMAChannel = UART1_RX_DMA_CHANNEL,
+ .txDMAChannel = UART1_TX_DMA_CHANNEL,
+ .pinPair = {
+ { DEFIO_TAG_E(PA10), DEFIO_TAG_E(PA9) },
+ { DEFIO_TAG_E(PB7), DEFIO_TAG_E(PB6) },
+ },
+ //.af = GPIO_AF_USART1,
+ .rcc = RCC_APB2(USART1),
+ .irqn = USART1_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART1_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART1
+ },
#endif
-
#ifdef USE_UART2
-static uartPort_t uartPort2;
+ {
+ .device = UARTDEV_2,
+ .reg = USART2,
+ .rxDMAChannel = UART2_RX_DMA_CHANNEL,
+ .txDMAChannel = UART2_TX_DMA_CHANNEL,
+ .pinPair = {
+ { DEFIO_TAG_E(PA3), DEFIO_TAG_E(PA2) },
+ { DEFIO_TAG_E(PD6), DEFIO_TAG_E(PD5) },
+ },
+ //.af = GPIO_AF_USART2,
+ .rcc = RCC_APB1(USART2),
+ .irqn = USART2_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART2,
+ .rxPriority = NVIC_PRIO_SERIALUART2
+ },
#endif
-
#ifdef USE_UART3
-static uartPort_t uartPort3;
-#endif
+ {
+ .device = UARTDEV_3,
+ .reg = USART3,
+ .rxDMAChannel = UART3_RX_DMA_CHANNEL,
+ .txDMAChannel = UART3_TX_DMA_CHANNEL,
+ .pinPair = {
+ { DEFIO_TAG_E(PB11), DEFIO_TAG_E(PB10) },
+ { DEFIO_TAG_E(PD9), DEFIO_TAG_E(PD8) },
+ { DEFIO_TAG_E(PC11), DEFIO_TAG_E(PC10) },
+ },
+ //.af = GPIO_AF_USART3,
+ .rcc = RCC_APB1(USART3),
+ .irqn = USART3_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART3,
+ .rxPriority = NVIC_PRIO_SERIALUART3
+ },
+#endif
+};
-void uartIrqCallback(uartPort_t *s)
+void uart_tx_dma_IRQHandler(dmaChannelDescriptor_t* descriptor)
+{
+ uartPort_t *s = (uartPort_t*)(descriptor->userParam);
+ DMA_CLEAR_FLAG(descriptor, DMA_IT_TCIF);
+ DMA_Cmd(descriptor->ref, DISABLE);
+
+ if (s->port.txBufferHead != s->port.txBufferTail)
+ uartStartTxDMA(s);
+ else
+ s->txDMAEmpty = true;
+}
+
+// XXX Should serialUART be consolidated?
+
+uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, portOptions_t options)
+{
+ uartDevice_t *uartdev = uartDevmap[device];
+ if (!uartdev) {
+ return NULL;
+ }
+
+ uartPort_t *s = &uartdev->port;
+
+ s->port.vTable = uartVTable;
+
+ s->port.baudRate = baudRate;
+
+ s->port.rxBuffer = uartdev->rxBuffer;
+ s->port.txBuffer = uartdev->txBuffer;
+ s->port.rxBufferSize = ARRAYLEN(uartdev->rxBuffer);
+ s->port.txBufferSize = ARRAYLEN(uartdev->txBuffer);
+
+ const uartHardware_t *hardware = uartdev->hardware;
+
+ s->USARTx = hardware->reg;
+
+ RCC_ClockCmd(hardware->rcc, ENABLE);
+
+ if (hardware->rxDMAChannel) {
+ dmaInit(dmaGetIdentifier(hardware->rxDMAChannel), OWNER_SERIAL_RX, RESOURCE_INDEX(device));
+ s->rxDMAChannel = hardware->rxDMAChannel;
+ s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
+ }
+
+ if (hardware->txDMAChannel) {
+ const dmaIdentifier_e identifier = dmaGetIdentifier(hardware->txDMAChannel);
+ dmaInit(identifier, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
+ dmaSetHandler(identifier, uart_tx_dma_IRQHandler, hardware->txPriority, (uint32_t)s);
+ s->txDMAChannel = hardware->txDMAChannel;
+ s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
+ }
+
+ IO_t rxIO = IOGetByTag(uartdev->rx);
+ IO_t txIO = IOGetByTag(uartdev->tx);
+
+ if (options & SERIAL_BIDIR) {
+ IOInit(txIO, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
+ IOConfigGPIO(txIO, (options & SERIAL_BIDIR_PP) ? IOCFG_AF_PP : IOCFG_AF_OD);
+ } else {
+ if (mode & MODE_TX) {
+ IOInit(txIO, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
+ IOConfigGPIO(txIO, IOCFG_AF_PP);
+ }
+
+ if (mode & MODE_RX) {
+ IOInit(rxIO, OWNER_SERIAL_RX, RESOURCE_INDEX(device));
+ IOConfigGPIO(rxIO, IOCFG_IPU);
+ }
+ }
+
+ // RX/TX Interrupt
+ if (!hardware->rxDMAChannel || !hardware->txDMAChannel) {
+ NVIC_InitTypeDef NVIC_InitStructure;
+
+ NVIC_InitStructure.NVIC_IRQChannel = hardware->irqn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(hardware->rxPriority);
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(hardware->rxPriority);
+ NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+ NVIC_Init(&NVIC_InitStructure);
+ }
+
+ return s;
+}
+
+void uartIrqHandler(uartPort_t *s)
{
uint16_t SR = s->USARTx->SR;
@@ -75,236 +222,4 @@ void uartIrqCallback(uartPort_t *s)
}
}
}
-
-// USART1 Tx DMA Handler
-void uart_tx_dma_IRQHandler(dmaChannelDescriptor_t* descriptor)
-{
- uartPort_t *s = (uartPort_t*)(descriptor->userParam);
- DMA_CLEAR_FLAG(descriptor, DMA_IT_TCIF);
- DMA_Cmd(descriptor->ref, DISABLE);
-
- if (s->port.txBufferHead != s->port.txBufferTail)
- uartStartTxDMA(s);
- else
- s->txDMAEmpty = true;
-}
-
-#ifdef USE_UART1
-// USART1 - Telemetry (RX/TX by DMA)
-uartPort_t *serialUART1(uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- uartPort_t *s;
- static volatile uint8_t rx1Buffer[UART1_RX_BUFFER_SIZE];
- static volatile uint8_t tx1Buffer[UART1_TX_BUFFER_SIZE];
-
- s = &uartPort1;
- s->port.vTable = uartVTable;
-
- s->port.baudRate = baudRate;
-
- s->port.rxBuffer = rx1Buffer;
- s->port.txBuffer = tx1Buffer;
- s->port.rxBufferSize = UART1_RX_BUFFER_SIZE;
- s->port.txBufferSize = UART1_TX_BUFFER_SIZE;
-
- s->USARTx = USART1;
-
-#ifdef USE_UART1_RX_DMA
- dmaInit(DMA1_CH5_HANDLER, OWNER_SERIAL_RX, 1);
- s->rxDMAChannel = DMA1_Channel5;
- s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
-#endif
- s->txDMAChannel = DMA1_Channel4;
- s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
-
- RCC_ClockCmd(RCC_APB2(USART1), ENABLE);
-
- // UART1_TX PA9
- // UART1_RX PA10
- if (options & SERIAL_BIDIR) {
- IOInit(IOGetByTag(IO_TAG(PA9)), OWNER_SERIAL_TX, 1);
- IOConfigGPIO(IOGetByTag(IO_TAG(PA9)), (options & SERIAL_BIDIR_PP) ? IOCFG_AF_PP : IOCFG_AF_OD);
- } else {
- if (mode & MODE_TX) {
- IOInit(IOGetByTag(IO_TAG(PA9)), OWNER_SERIAL_TX, 1);
- IOConfigGPIO(IOGetByTag(IO_TAG(PA9)), IOCFG_AF_PP);
- }
-
- if (mode & MODE_RX) {
- IOInit(IOGetByTag(IO_TAG(PA10)), OWNER_SERIAL_RX, 1);
- IOConfigGPIO(IOGetByTag(IO_TAG(PA10)), IOCFG_IPU);
- }
- }
-
- // DMA TX Interrupt
- dmaInit(DMA1_CH4_HANDLER, OWNER_SERIAL_TX, 1);
- dmaSetHandler(DMA1_CH4_HANDLER, uart_tx_dma_IRQHandler, NVIC_PRIO_SERIALUART1_TXDMA, (uint32_t)&uartPort1);
-
-#ifndef USE_UART1_RX_DMA
- // RX/TX Interrupt
- NVIC_InitTypeDef NVIC_InitStructure;
-
- NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART1);
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SERIALUART1);
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-#endif
-
- return s;
-}
-
-// USART1 Rx/Tx IRQ Handler
-void USART1_IRQHandler(void)
-{
- uartPort_t *s = &uartPort1;
- uartIrqCallback(s);
-}
-
-#endif
-
-#ifdef USE_UART2
-// USART2 - GPS or Spektrum or ?? (RX + TX by IRQ)
-uartPort_t *serialUART2(uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- uartPort_t *s;
- static volatile uint8_t rx2Buffer[UART2_RX_BUFFER_SIZE];
- static volatile uint8_t tx2Buffer[UART2_TX_BUFFER_SIZE];
-
- NVIC_InitTypeDef NVIC_InitStructure;
-
- s = &uartPort2;
- s->port.vTable = uartVTable;
-
- s->port.baudRate = baudRate;
-
- s->port.rxBufferSize = UART2_RX_BUFFER_SIZE;
- s->port.txBufferSize = UART2_TX_BUFFER_SIZE;
- s->port.rxBuffer = rx2Buffer;
- s->port.txBuffer = tx2Buffer;
-
- s->USARTx = USART2;
-
- s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
- s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
-
- RCC_ClockCmd(RCC_APB1(USART2), ENABLE);
-
- // UART2_TX PA2
- // UART2_RX PA3
- if (options & SERIAL_BIDIR) {
- IOInit(IOGetByTag(IO_TAG(PA2)), OWNER_SERIAL_TX, 2);
- IOConfigGPIO(IOGetByTag(IO_TAG(PA2)), (options & SERIAL_BIDIR_PP) ? IOCFG_AF_PP : IOCFG_AF_OD);
- } else {
- if (mode & MODE_TX) {
- IOInit(IOGetByTag(IO_TAG(PA2)), OWNER_SERIAL_TX, 2);
- IOConfigGPIO(IOGetByTag(IO_TAG(PA2)), IOCFG_AF_PP);
- }
-
- if (mode & MODE_RX) {
- IOInit(IOGetByTag(IO_TAG(PA3)), OWNER_SERIAL_RX, 2);
- IOConfigGPIO(IOGetByTag(IO_TAG(PA3)), IOCFG_IPU);
- }
- }
-
- // RX/TX Interrupt
- NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART2);
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SERIALUART2);
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-
- return s;
-}
-
-
-// USART2 Rx/Tx IRQ Handler
-void USART2_IRQHandler(void)
-{
- uartPort_t *s = &uartPort2;
- uartIrqCallback(s);
-}
-
-#endif
-
-#ifdef USE_UART3
-// USART3
-uartPort_t *serialUART3(uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- uartPort_t *s;
- static volatile uint8_t rx3Buffer[UART3_RX_BUFFER_SIZE];
- static volatile uint8_t tx3Buffer[UART3_TX_BUFFER_SIZE];
-
- NVIC_InitTypeDef NVIC_InitStructure;
-
- s = &uartPort3;
- s->port.vTable = uartVTable;
-
- s->port.baudRate = baudRate;
-
- s->port.rxBuffer = rx3Buffer;
- s->port.txBuffer = tx3Buffer;
- s->port.rxBufferSize = UART3_RX_BUFFER_SIZE;
- s->port.txBufferSize = UART3_TX_BUFFER_SIZE;
-
- s->USARTx = USART3;
-
- s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
- s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
-
- RCC_ClockCmd(RCC_APB1(USART3), ENABLE);
-
- if (options & SERIAL_BIDIR) {
- IOInit(IOGetByTag(IO_TAG(UART3_TX_PIN)), OWNER_SERIAL_TX, 3);
- IOConfigGPIO(IOGetByTag(IO_TAG(UART3_TX_PIN)), (options & SERIAL_BIDIR_PP) ? IOCFG_AF_PP : IOCFG_AF_OD);
- } else {
- if (mode & MODE_TX) {
- IOInit(IOGetByTag(IO_TAG(UART3_TX_PIN)), OWNER_SERIAL_TX, 3);
- IOConfigGPIO(IOGetByTag(IO_TAG(UART3_TX_PIN)), IOCFG_AF_PP);
- }
-
- if (mode & MODE_RX) {
- IOInit(IOGetByTag(IO_TAG(UART3_RX_PIN)), OWNER_SERIAL_RX, 3);
- IOConfigGPIO(IOGetByTag(IO_TAG(UART3_RX_PIN)), IOCFG_IPU);
- }
- }
-
- // RX/TX Interrupt
- NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART3);
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SERIALUART3);
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-
- return s;
-}
-
-// USART2 Rx/Tx IRQ Handler
-void USART3_IRQHandler(void)
-{
- uartPort_t *s = &uartPort3;
- uartIrqCallback(s);
-}
-#endif
-
-// Temporary solution until serialUARTx() are refactored/consolidated
-
-uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- switch (device) {
-#ifdef USE_UART1
- case UARTDEV_1:
- return serialUART1(baudRate, mode, options);
-#endif
-#ifdef USE_UART2
- case UARTDEV_2:
- return serialUART2(baudRate, mode, options);
-#endif
-#ifdef USE_UART3
- case UARTDEV_3:
- return serialUART3(baudRate, mode, options);
-#endif
- default:
- return NULL;
- }
-}
+#endif // USE_UART
diff --git a/src/main/drivers/serial_uart_stm32f30x.c b/src/main/drivers/serial_uart_stm32f30x.c
index 163ec1fc2..093f8db8a 100644
--- a/src/main/drivers/serial_uart_stm32f30x.c
+++ b/src/main/drivers/serial_uart_stm32f30x.c
@@ -17,6 +17,7 @@
/*
* Authors:
+ * jflyper - Refactoring, cleanup and made pin-configurable
* Dominic Clifton - Port baseflight STM32F10x to STM32F30x for cleanflight
* J. Ihlein - Code from FocusFlight32
* Bill Nesbitt - Code from AutoQuad
@@ -31,75 +32,151 @@
#include "drivers/system.h"
#include "drivers/io.h"
#include "drivers/nvic.h"
-#include "dma.h"
-#include "rcc.h"
+#include "drivers/dma.h"
+#include "drivers/rcc.h"
-#include "serial.h"
-#include "serial_uart.h"
-#include "serial_uart_impl.h"
+#include "drivers/serial.h"
+#include "drivers/serial_uart.h"
+#include "drivers/serial_uart_impl.h"
+#ifdef USE_UART
+
+// XXX Will DMA eventually be configurable?
+// XXX Do these belong here?
+
+#ifdef USE_UART1_RX_DMA
+# define UART1_RX_DMA DMA1_Channel5
+#else
+# define UART1_RX_DMA 0
+#endif
+
+#ifdef USE_UART1_TX_DMA
+# define UART1_TX_DMA DMA1_Channel4
+#else
+# define UART1_TX_DMA 0
+#endif
+
+#ifdef USE_UART2_RX_DMA
+# define UART2_RX_DMA DMA1_Channel6
+#else
+# define UART2_RX_DMA 0
+#endif
+
+#ifdef USE_UART2_TX_DMA
+# define UART2_TX_DMA DMA1_Channel7
+#else
+# define UART2_TX_DMA 0
+#endif
+
+#ifdef USE_UART3_RX_DMA
+# define UART3_RX_DMA DMA1_Channel3
+#else
+# define UART3_RX_DMA 0
+#endif
+
+#ifdef USE_UART3_TX_DMA
+# define UART3_TX_DMA DMA1_Channel2
+#else
+# define UART3_TX_DMA 0
+#endif
+
+const uartHardware_t uartHardware[UARTDEV_COUNT] = {
#ifdef USE_UART1
-#ifndef UART1_TX_PIN
-#define UART1_TX_PIN PA9 // PA9
-#endif
-#ifndef UART1_RX_PIN
-#define UART1_RX_PIN PA10 // PA10
-#endif
+ {
+ .device = UARTDEV_1,
+ .reg = USART1,
+ .rxDMAChannel = UART1_RX_DMA,
+ .txDMAChannel = UART1_TX_DMA,
+ .pinPair = {
+ { DEFIO_TAG_E(PA10), DEFIO_TAG_E(PA9) },
+ { DEFIO_TAG_E(PB7), DEFIO_TAG_E(PB6) },
+ { DEFIO_TAG_E(PC5), DEFIO_TAG_E(PC4) },
+ { DEFIO_TAG_E(PE1), DEFIO_TAG_E(PE0) },
+ },
+ .rcc = RCC_APB2(USART1),
+ .af = GPIO_AF_7,
+ .irqn = USART1_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART1_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART1_RXDMA,
+ },
#endif
#ifdef USE_UART2
-#ifndef UART2_TX_PIN
-#define UART2_TX_PIN PD5 // PD5
-#endif
-#ifndef UART2_RX_PIN
-#define UART2_RX_PIN PD6 // PD6
-#endif
+ {
+ .device = UARTDEV_2,
+ .reg = USART2,
+ .rxDMAChannel = UART2_RX_DMA,
+ .txDMAChannel = UART2_TX_DMA,
+ .pinPair = {
+ { DEFIO_TAG_E(PA15), DEFIO_TAG_E(PA14) },
+ { DEFIO_TAG_E(PA3), DEFIO_TAG_E(PA2) },
+ { DEFIO_TAG_E(PB4), DEFIO_TAG_E(PB3) },
+ { DEFIO_TAG_E(PD6), DEFIO_TAG_E(PD5) },
+ },
+ .rcc = RCC_APB1(USART2),
+ .af = GPIO_AF_7,
+ .irqn = USART2_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART2_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART2_RXDMA,
+ },
#endif
#ifdef USE_UART3
-#ifndef UART3_TX_PIN
-#define UART3_TX_PIN PB10 // PB10 (AF7)
-#endif
-#ifndef UART3_RX_PIN
-#define UART3_RX_PIN PB11 // PB11 (AF7)
-#endif
+ {
+ .device = UARTDEV_3,
+ .reg = USART3,
+ .rxDMAChannel = UART3_RX_DMA,
+ .txDMAChannel = UART3_TX_DMA,
+ .pinPair = {
+ { DEFIO_TAG_E(PB11), DEFIO_TAG_E(PB10) },
+ { DEFIO_TAG_E(PC11), DEFIO_TAG_E(PC10) },
+ { DEFIO_TAG_E(PD9), DEFIO_TAG_E(PD8) },
+ },
+ .rcc = RCC_APB1(USART3),
+ .af = GPIO_AF_7,
+ .irqn = USART3_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART3_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART3_RXDMA,
+ },
#endif
#ifdef USE_UART4
-#ifndef UART4_TX_PIN
-#define UART4_TX_PIN PC10 // PC10 (AF5)
-#endif
-#ifndef UART4_RX_PIN
-#define UART4_RX_PIN PC11 // PC11 (AF5)
-#endif
+ // UART4 XXX Not tested (yet!?) Need 303RC, e.g. LUX for testing
+ {
+ .device = UARTDEV_4,
+ .reg = UART4,
+ .rxDMAChannel = 0, // XXX UART4_RX_DMA !?
+ .txDMAChannel = 0, // XXX UART4_TX_DMA !?
+ .pinPair = {
+ { DEFIO_TAG_E(PC11), DEFIO_TAG_E(PC10) },
+ },
+ .rcc = RCC_APB1(UART4),
+ .af = GPIO_AF_5,
+ .irqn = UART4_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART4_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART4_RXDMA,
+ },
#endif
#ifdef USE_UART5
-#ifndef UART5_TX_PIN // The real UART5_RX is on PD2, no board is using.
-#define UART5_TX_PIN PC12 // PC12 (AF5)
-#endif
-#ifndef UART5_RX_PIN
-#define UART5_RX_PIN PC12 // PC12 (AF5)
-#endif
+ // UART5 XXX Not tested (yet!?) Need 303RC; e.g. LUX for testing
+ {
+ .device = UARTDEV_5,
+ .reg = UART5,
+ .rxDMAChannel = 0,
+ .txDMAChannel = 0,
+ .pinPair = {
+ { DEFIO_TAG_E(PD2), DEFIO_TAG_E(PC12) },
+ },
+ .rcc = RCC_APB1(UART5),
+ .af = GPIO_AF_5,
+ .irqn = UART5_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART5,
+ .rxPriority = NVIC_PRIO_SERIALUART5,
+ },
#endif
+};
-#ifdef USE_UART1
-static uartPort_t uartPort1;
-#endif
-#ifdef USE_UART2
-static uartPort_t uartPort2;
-#endif
-#ifdef USE_UART3
-static uartPort_t uartPort3;
-#endif
-#ifdef USE_UART4
-static uartPort_t uartPort4;
-#endif
-#ifdef USE_UART5
-static uartPort_t uartPort5;
-#endif
-
-#if defined(USE_UART1_TX_DMA) || defined(USE_UART2_TX_DMA) || defined(USE_UART3_TX_DMA)
static void handleUsartTxDma(dmaChannelDescriptor_t* descriptor)
{
uartPort_t *s = (uartPort_t*)(descriptor->userParam);
@@ -111,304 +188,91 @@ static void handleUsartTxDma(dmaChannelDescriptor_t* descriptor)
else
s->txDMAEmpty = true;
}
-#endif
-void serialUARTInit(IO_t tx, IO_t rx, portMode_t mode, portOptions_t options, uint8_t af, uint8_t index)
+void serialUARTInitIO(IO_t txIO, IO_t rxIO, portMode_t mode, portOptions_t options, uint8_t af, uint8_t index)
{
- if ((options & SERIAL_BIDIR) && tx) {
+ if ((options & SERIAL_BIDIR) && txIO) {
ioConfig_t ioCfg = IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz,
((options & SERIAL_INVERTED) || (options & SERIAL_BIDIR_PP)) ? GPIO_OType_PP : GPIO_OType_OD,
((options & SERIAL_INVERTED) || (options & SERIAL_BIDIR_PP)) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP
);
- IOInit(tx, OWNER_SERIAL_TX, index);
- IOConfigGPIOAF(tx, ioCfg, af);
+ IOInit(txIO, OWNER_SERIAL_TX, index);
+ IOConfigGPIOAF(txIO, ioCfg, af);
if (!(options & SERIAL_INVERTED))
- IOLo(tx); // OpenDrain output should be inactive
+ IOLo(txIO); // OpenDrain output should be inactive
} else {
ioConfig_t ioCfg = IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz, GPIO_OType_PP, (options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP);
- if ((mode & MODE_TX) && tx) {
- IOInit(tx, OWNER_SERIAL_TX, index);
- IOConfigGPIOAF(tx, ioCfg, af);
+ if ((mode & MODE_TX) && txIO) {
+ IOInit(txIO, OWNER_SERIAL_TX, index);
+ IOConfigGPIOAF(txIO, ioCfg, af);
}
- if ((mode & MODE_RX) && rx) {
- IOInit(rx, OWNER_SERIAL_RX, index);
- IOConfigGPIOAF(rx, ioCfg, af);
+ if ((mode & MODE_RX) && rxIO) {
+ IOInit(rxIO, OWNER_SERIAL_RX, index);
+ IOConfigGPIOAF(rxIO, ioCfg, af);
}
}
}
-#ifdef USE_UART1
-uartPort_t *serialUART1(uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- uartPort_t *s;
- static volatile uint8_t rx1Buffer[UART1_RX_BUFFER_SIZE];
- static volatile uint8_t tx1Buffer[UART1_TX_BUFFER_SIZE];
-
- s = &uartPort1;
- s->port.vTable = uartVTable;
-
- s->port.baudRate = baudRate;
-
- s->port.rxBufferSize = UART1_RX_BUFFER_SIZE;
- s->port.txBufferSize = UART1_TX_BUFFER_SIZE;
- s->port.rxBuffer = rx1Buffer;
- s->port.txBuffer = tx1Buffer;
-
- s->USARTx = USART1;
-
-#ifdef USE_UART1_RX_DMA
- dmaInit(DMA1_CH5_HANDLER, OWNER_SERIAL, 1);
- s->rxDMAChannel = DMA1_Channel5;
- s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->RDR;
-#endif
-#ifdef USE_UART1_TX_DMA
- s->txDMAChannel = DMA1_Channel4;
- s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->TDR;
-#endif
-
- RCC_ClockCmd(RCC_APB2(USART1), ENABLE);
-
-#if defined(USE_UART1_TX_DMA) || defined(USE_UART1_RX_DMA)
- RCC_ClockCmd(RCC_AHB(DMA1), ENABLE);
-#endif
-
- serialUARTInit(IOGetByTag(IO_TAG(UART1_TX_PIN)), IOGetByTag(IO_TAG(UART1_RX_PIN)), mode, options, GPIO_AF_7, 1);
-
-#ifdef USE_UART1_TX_DMA
- dmaInit(DMA1_CH4_HANDLER, OWNER_SERIAL, 1);
- dmaSetHandler(DMA1_CH4_HANDLER, handleUsartTxDma, NVIC_PRIO_SERIALUART1_TXDMA, (uint32_t)&uartPort1);
-#endif
-
-#ifndef USE_UART1_RX_DMA
- NVIC_InitTypeDef NVIC_InitStructure;
-
- NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART1_RXDMA);
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SERIALUART1_RXDMA);
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-#endif
-
- return s;
-}
-#endif
-
-#ifdef USE_UART2
-uartPort_t *serialUART2(uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- uartPort_t *s;
- static volatile uint8_t rx2Buffer[UART2_RX_BUFFER_SIZE];
- static volatile uint8_t tx2Buffer[UART2_TX_BUFFER_SIZE];
-
- s = &uartPort2;
- s->port.vTable = uartVTable;
-
- s->port.baudRate = baudRate;
-
- s->port.rxBufferSize = UART2_RX_BUFFER_SIZE;
- s->port.txBufferSize = UART2_TX_BUFFER_SIZE;
- s->port.rxBuffer = rx2Buffer;
- s->port.txBuffer = tx2Buffer;
-
- s->USARTx = USART2;
-
-#ifdef USE_UART2_RX_DMA
- dmaInit(DMA1_CH6_HANDLER, OWNER_SERIAL, 2);
- s->rxDMAChannel = DMA1_Channel6;
- s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->RDR;
-#endif
-#ifdef USE_UART2_TX_DMA
- dmaInit(DMA1_CH7_HANDLER, OWNER_SERIAL, 2);
- s->txDMAChannel = DMA1_Channel7;
- s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->TDR;
-#endif
-
- RCC_ClockCmd(RCC_APB1(USART2), ENABLE);
-
-#if defined(USE_UART2_TX_DMA) || defined(USE_UART2_RX_DMA)
- RCC_ClockCmd(RCC_AHB(DMA1), ENABLE);
-#endif
-
- serialUARTInit(IOGetByTag(IO_TAG(UART2_TX_PIN)), IOGetByTag(IO_TAG(UART2_RX_PIN)), mode, options, GPIO_AF_7, 2);
-
-#ifdef USE_UART2_TX_DMA
- // DMA TX Interrupt
- dmaSetHandler(DMA1_CH7_HANDLER, handleUsartTxDma, NVIC_PRIO_SERIALUART2_TXDMA, (uint32_t)&uartPort2);
-#endif
-
-#ifndef USE_UART2_RX_DMA
- NVIC_InitTypeDef NVIC_InitStructure;
-
- NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART2_RXDMA);
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SERIALUART2_RXDMA);
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-#endif
-
- return s;
-}
-#endif
-
-#ifdef USE_UART3
-uartPort_t *serialUART3(uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- uartPort_t *s;
- static volatile uint8_t rx3Buffer[UART3_RX_BUFFER_SIZE];
- static volatile uint8_t tx3Buffer[UART3_TX_BUFFER_SIZE];
-
- s = &uartPort3;
- s->port.vTable = uartVTable;
-
- s->port.baudRate = baudRate;
-
- s->port.rxBufferSize = UART3_RX_BUFFER_SIZE;
- s->port.txBufferSize = UART3_TX_BUFFER_SIZE;
- s->port.rxBuffer = rx3Buffer;
- s->port.txBuffer = tx3Buffer;
-
- s->USARTx = USART3;
-
-#ifdef USE_UART3_RX_DMA
- dmaInit(DMA1_CH3_HANDLER, OWNER_SERIAL, 3);
- s->rxDMAChannel = DMA1_Channel3;
- s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->RDR;
-#endif
-#ifdef USE_UART3_TX_DMA
- dmaInit(DMA1_CH2_HANDLER, OWNER_SERIAL, 3);
- s->txDMAChannel = DMA1_Channel2;
- s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->TDR;
-#endif
-
- RCC_ClockCmd(RCC_APB1(USART3), ENABLE);
-
-#if defined(USE_UART3_TX_DMA) || defined(USE_UART3_RX_DMA)
- RCC_AHBClockCmd(RCC_AHB(DMA1), ENABLE);
-#endif
-
- serialUARTInit(IOGetByTag(IO_TAG(UART3_TX_PIN)), IOGetByTag(IO_TAG(UART3_RX_PIN)), mode, options, GPIO_AF_7, 3);
-
-#ifdef USE_UART3_TX_DMA
- // DMA TX Interrupt
- dmaSetHandler(DMA1_CH2_HANDLER, handleUsartTxDma, NVIC_PRIO_SERIALUART3_TXDMA, (uint32_t)&uartPort3);
-#endif
-
-#ifndef USE_UART3_RX_DMA
- NVIC_InitTypeDef NVIC_InitStructure;
-
- NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART3_RXDMA);
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SERIALUART3_RXDMA);
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-#endif
-
- return s;
-}
-#endif
-
-#ifdef USE_UART4
-uartPort_t *serialUART4(uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- uartPort_t *s;
- static volatile uint8_t rx4Buffer[UART4_RX_BUFFER_SIZE];
- static volatile uint8_t tx4Buffer[UART4_TX_BUFFER_SIZE];
- NVIC_InitTypeDef NVIC_InitStructure;
-
- s = &uartPort4;
- s->port.vTable = uartVTable;
-
- s->port.baudRate = baudRate;
-
- s->port.rxBufferSize = UART4_RX_BUFFER_SIZE;
- s->port.txBufferSize = UART4_TX_BUFFER_SIZE;
- s->port.rxBuffer = rx4Buffer;
- s->port.txBuffer = tx4Buffer;
-
- s->USARTx = UART4;
-
- RCC_ClockCmd(RCC_APB1(UART4), ENABLE);
-
- serialUARTInit(IOGetByTag(IO_TAG(UART4_TX_PIN)), IOGetByTag(IO_TAG(UART4_RX_PIN)), mode, options, GPIO_AF_5, 4);
-
- NVIC_InitStructure.NVIC_IRQChannel = UART4_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART4);
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SERIALUART4);
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-
- return s;
-}
-#endif
-
-#ifdef USE_UART5
-uartPort_t *serialUART5(uint32_t baudRate, portMode_t mode, portOptions_t options)
-{
- uartPort_t *s;
- static volatile uint8_t rx5Buffer[UART5_RX_BUFFER_SIZE];
- static volatile uint8_t tx5Buffer[UART5_TX_BUFFER_SIZE];
- NVIC_InitTypeDef NVIC_InitStructure;
-
- s = &uartPort5;
- s->port.vTable = uartVTable;
-
- s->port.baudRate = baudRate;
-
- s->port.rxBufferSize = UART5_RX_BUFFER_SIZE;
- s->port.txBufferSize = UART5_TX_BUFFER_SIZE;
- s->port.rxBuffer = rx5Buffer;
- s->port.txBuffer = tx5Buffer;
-
- s->USARTx = UART5;
-
- RCC_ClockCmd(RCC_APB1(UART5), ENABLE);
-
- serialUARTInit(IOGetByTag(IO_TAG(UART5_TX_PIN)), IOGetByTag(IO_TAG(UART5_RX_PIN)), mode, options, GPIO_AF_5, 5);
-
- NVIC_InitStructure.NVIC_IRQChannel = UART5_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART5);
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_SERIALUART5);
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-
- return s;
-}
-#endif
-
-// Temporary solution until serialUARTx() are refactored/consolidated
+// XXX Should serialUART be consolidated?
uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, portOptions_t options)
{
- switch (device) {
-#ifdef USE_UART1
- case UARTDEV_1:
- return serialUART1(baudRate, mode, options);
-#endif
-#ifdef USE_UART2
- case UARTDEV_2:
- return serialUART2(baudRate, mode, options);
-#endif
-#ifdef USE_UART3
- case UARTDEV_3:
- return serialUART3(baudRate, mode, options);
-#endif
-#ifdef USE_UART4
- case UARTDEV_4:
- return serialUART4(baudRate, mode, options);
-#endif
-#ifdef USE_UART5
- case UARTDEV_5:
- return serialUART5(baudRate, mode, options);
-#endif
- default:
+ uartPort_t *s;
+
+ uartDevice_t *uartDev = uartDevmap[device];
+ if (!uartDev) {
return NULL;
}
+
+ s = &(uartDev->port);
+ s->port.vTable = uartVTable;
+
+ s->port.baudRate = baudRate;
+
+ s->port.rxBuffer = uartDev->rxBuffer;
+ s->port.txBuffer = uartDev->txBuffer;
+ s->port.rxBufferSize = sizeof(uartDev->rxBuffer);
+ s->port.txBufferSize = sizeof(uartDev->txBuffer);
+
+ const uartHardware_t *hardware = uartDev->hardware;
+
+ s->USARTx = hardware->reg;
+
+ RCC_ClockCmd(hardware->rcc, ENABLE);
+
+ if (hardware->rxDMAChannel) {
+ dmaInit(dmaGetIdentifier(hardware->rxDMAChannel), OWNER_SERIAL_RX, RESOURCE_INDEX(device));
+ s->rxDMAChannel = hardware->rxDMAChannel;
+ s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->RDR;
+ }
+
+ if (hardware->txDMAChannel) {
+ const dmaIdentifier_e identifier = dmaGetIdentifier(hardware->txDMAChannel);
+ dmaInit(identifier, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
+ dmaSetHandler(identifier, handleUsartTxDma, hardware->txPriority, (uint32_t)s);
+ s->txDMAChannel = hardware->txDMAChannel;
+ s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->TDR;
+ }
+
+ serialUARTInitIO(IOGetByTag(uartDev->tx), IOGetByTag(uartDev->rx), mode, options, hardware->af, device);
+
+ if (!s->rxDMAChannel || !s->txDMAChannel) {
+ NVIC_InitTypeDef NVIC_InitStructure;
+
+ NVIC_InitStructure.NVIC_IRQChannel = hardware->irqn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(hardware->rxPriority);
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(hardware->rxPriority);
+ NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+ NVIC_Init(&NVIC_InitStructure);
+ }
+
+ return s;
}
-void usartIrqHandler(uartPort_t *s)
+void uartIrqHandler(uartPort_t *s)
{
uint32_t ISR = s->USARTx->ISR;
@@ -439,48 +303,4 @@ void usartIrqHandler(uartPort_t *s)
USART_ClearITPendingBit (s->USARTx, USART_IT_ORE);
}
}
-
-#ifdef USE_UART1
-void USART1_IRQHandler(void)
-{
- uartPort_t *s = &uartPort1;
-
- usartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART2
-void USART2_IRQHandler(void)
-{
- uartPort_t *s = &uartPort2;
-
- usartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART3
-void USART3_IRQHandler(void)
-{
- uartPort_t *s = &uartPort3;
-
- usartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART4
-void UART4_IRQHandler(void)
-{
- uartPort_t *s = &uartPort4;
-
- usartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART5
-void UART5_IRQHandler(void)
-{
- uartPort_t *s = &uartPort5;
-
- usartIrqHandler(s);
-}
-#endif
+#endif // USE_UART
diff --git a/src/main/drivers/serial_uart_stm32f4xx.c b/src/main/drivers/serial_uart_stm32f4xx.c
index 7eb0e8d03..9cdc2f00a 100644
--- a/src/main/drivers/serial_uart_stm32f4xx.c
+++ b/src/main/drivers/serial_uart_stm32f4xx.c
@@ -15,6 +15,10 @@
* along with Cleanflight. If not, see .
*/
+/*
+ * jflyper - Refactoring, cleanup and made pin-configurable
+ */
+
#include
#include
@@ -22,219 +26,155 @@
#include "drivers/system.h"
#include "drivers/io.h"
-#include "rcc.h"
+#include "drivers/dma.h"
#include "drivers/nvic.h"
-#include "dma.h"
+#include "drivers/rcc.h"
-#include "serial.h"
-#include "serial_uart.h"
-#include "serial_uart_impl.h"
+#include "drivers/serial.h"
+#include "drivers/serial_uart.h"
+#include "drivers/serial_uart_impl.h"
-#define UART_RX_BUFFER_SIZE 512
-#define UART_TX_BUFFER_SIZE 512
+#ifdef USE_UART
-typedef struct uartDevice_s {
- USART_TypeDef* dev;
- uartPort_t port;
- uint32_t DMAChannel;
- DMA_Stream_TypeDef *txDMAStream;
- DMA_Stream_TypeDef *rxDMAStream;
- ioTag_t rx;
- ioTag_t tx;
- volatile uint8_t rxBuffer[UART_RX_BUFFER_SIZE];
- volatile uint8_t txBuffer[UART_TX_BUFFER_SIZE];
- rccPeriphTag_t rcc_uart;
- uint8_t af;
- uint8_t rxIrq;
- uint32_t txPriority;
- uint32_t rxPriority;
-} uartDevice_t;
-
-//static uartPort_t uartPort[MAX_UARTS];
+const uartHardware_t uartHardware[UARTDEV_COUNT] = {
#ifdef USE_UART1
-static uartDevice_t uart1 =
-{
- .DMAChannel = DMA_Channel_4,
+ {
+ .device = UARTDEV_1,
+ .reg = USART1,
+ .DMAChannel = DMA_Channel_4,
#ifdef USE_UART1_RX_DMA
- .rxDMAStream = DMA2_Stream5,
+ .rxDMAStream = DMA2_Stream5,
#endif
#ifdef USE_UART1_TX_DMA
- .txDMAStream = DMA2_Stream7,
+ .txDMAStream = DMA2_Stream7,
#endif
- .dev = USART1,
- .rx = IO_TAG(UART1_RX_PIN),
- .tx = IO_TAG(UART1_TX_PIN),
- .af = GPIO_AF_USART1,
- .rcc_uart = RCC_APB2(USART1),
- .rxIrq = USART1_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART1_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART1
-};
+ .pinPair = {
+ { DEFIO_TAG_E(PA10), DEFIO_TAG_E(PA9) },
+ { DEFIO_TAG_E(PB7), DEFIO_TAG_E(PB6) },
+ },
+ .af = GPIO_AF_USART1,
+ .rcc = RCC_APB2(USART1),
+ .irqn = USART1_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART1_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART1
+ },
#endif
#ifdef USE_UART2
-static uartDevice_t uart2 =
-{
- .DMAChannel = DMA_Channel_4,
+ {
+ .device = UARTDEV_2,
+ .reg = USART2,
+ .DMAChannel = DMA_Channel_4,
#ifdef USE_UART2_RX_DMA
- .rxDMAStream = DMA1_Stream5,
+ .rxDMAStream = DMA1_Stream5,
#endif
#ifdef USE_UART2_TX_DMA
- .txDMAStream = DMA1_Stream6,
+ .txDMAStream = DMA1_Stream6,
#endif
- .dev = USART2,
- .rx = IO_TAG(UART2_RX_PIN),
- .tx = IO_TAG(UART2_TX_PIN),
- .af = GPIO_AF_USART2,
- .rcc_uart = RCC_APB1(USART2),
- .rxIrq = USART2_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART2_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART2
-};
+ .pinPair = {
+ { DEFIO_TAG_E(PA3), DEFIO_TAG_E(PA2) },
+ { DEFIO_TAG_E(PD6), DEFIO_TAG_E(PD5) },
+ },
+ .af = GPIO_AF_USART2,
+ .rcc = RCC_APB1(USART2),
+ .irqn = USART2_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART2_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART2
+ },
#endif
#ifdef USE_UART3
-static uartDevice_t uart3 =
-{
- .DMAChannel = DMA_Channel_4,
+ {
+ .device = UARTDEV_3,
+ .reg = USART3,
+ .DMAChannel = DMA_Channel_4,
#ifdef USE_UART3_RX_DMA
- .rxDMAStream = DMA1_Stream1,
+ .rxDMAStream = DMA1_Stream1,
#endif
#ifdef USE_UART3_TX_DMA
- .txDMAStream = DMA1_Stream3,
+ .txDMAStream = DMA1_Stream3,
#endif
- .dev = USART3,
- .rx = IO_TAG(UART3_RX_PIN),
- .tx = IO_TAG(UART3_TX_PIN),
- .af = GPIO_AF_USART3,
- .rcc_uart = RCC_APB1(USART3),
- .rxIrq = USART3_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART3_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART3
-};
+ .pinPair = {
+ { DEFIO_TAG_E(PB11), DEFIO_TAG_E(PB10) },
+ { DEFIO_TAG_E(PC11), DEFIO_TAG_E(PC10) },
+ { DEFIO_TAG_E(PD9), DEFIO_TAG_E(PD8) }
+ },
+ .af = GPIO_AF_USART3,
+ .rcc = RCC_APB1(USART3),
+ .irqn = USART3_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART3_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART3
+ },
#endif
#ifdef USE_UART4
-static uartDevice_t uart4 =
-{
- .DMAChannel = DMA_Channel_4,
+ {
+ .device = UARTDEV_4,
+ .reg = UART4,
+ .DMAChannel = DMA_Channel_4,
#ifdef USE_UART4_RX_DMA
- .rxDMAStream = DMA1_Stream2,
+ .rxDMAStream = DMA1_Stream2,
#endif
#ifdef USE_UART4_TX_DMA
- .txDMAStream = DMA1_Stream4,
+ .txDMAStream = DMA1_Stream4,
#endif
- .dev = UART4,
- .rx = IO_TAG(UART4_RX_PIN),
- .tx = IO_TAG(UART4_TX_PIN),
- .af = GPIO_AF_UART4,
- .rcc_uart = RCC_APB1(UART4),
- .rxIrq = UART4_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART4_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART4
-};
+ .pinPair = {
+ { DEFIO_TAG_E(PA1), DEFIO_TAG_E(PA0) },
+ { DEFIO_TAG_E(PC11), DEFIO_TAG_E(PC10) },
+ },
+ .af = GPIO_AF_UART4,
+ .rcc = RCC_APB1(UART4),
+ .irqn = UART4_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART4_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART4
+ },
#endif
#ifdef USE_UART5
-static uartDevice_t uart5 =
-{
- .DMAChannel = DMA_Channel_4,
+ {
+ .device = UARTDEV_5,
+ .reg = UART5,
+ .DMAChannel = DMA_Channel_4,
#ifdef USE_UART5_RX_DMA
- .rxDMAStream = DMA1_Stream0,
+ .rxDMAStream = DMA1_Stream0,
#endif
#ifdef USE_UART5_TX_DMA
- .txDMAStream = DMA1_Stream7,
+ .txDMAStream = DMA1_Stream7,
#endif
- .dev = UART5,
- .rx = IO_TAG(UART5_RX_PIN),
- .tx = IO_TAG(UART5_TX_PIN),
- .af = GPIO_AF_UART5,
- .rcc_uart = RCC_APB1(UART5),
- .rxIrq = UART5_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART5_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART5
-};
+ .pinPair = {
+ { DEFIO_TAG_E(PD2), DEFIO_TAG_E(PC12) },
+ },
+ .af = GPIO_AF_UART5,
+ .rcc = RCC_APB1(UART5),
+ .irqn = UART5_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART5_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART5
+ },
#endif
#ifdef USE_UART6
-static uartDevice_t uart6 =
-{
- .DMAChannel = DMA_Channel_5,
+ {
+ .device = UARTDEV_6,
+ .reg = USART6,
+ .DMAChannel = DMA_Channel_5,
#ifdef USE_UART6_RX_DMA
- .rxDMAStream = DMA2_Stream1,
+ .rxDMAStream = DMA2_Stream1,
#endif
#ifdef USE_UART6_TX_DMA
- .txDMAStream = DMA2_Stream6,
+ .txDMAStream = DMA2_Stream6,
+#endif
+ .pinPair = {
+ { DEFIO_TAG_E(PC7), DEFIO_TAG_E(PC6) },
+ { DEFIO_TAG_E(PG9), DEFIO_TAG_E(PG14) },
+ },
+ .af = GPIO_AF_USART6,
+ .rcc = RCC_APB2(USART6),
+ .irqn = USART6_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART6_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART6
+ },
#endif
- .dev = USART6,
- .rx = IO_TAG(UART6_RX_PIN),
- .tx = IO_TAG(UART6_TX_PIN),
- .af = GPIO_AF_USART6,
- .rcc_uart = RCC_APB2(USART6),
- .rxIrq = USART6_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART6_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART6
};
-#endif
-
-static uartDevice_t* uartHardwareMap[] = {
-#ifdef USE_UART1
- &uart1,
-#else
- NULL,
-#endif
-#ifdef USE_UART2
- &uart2,
-#else
- NULL,
-#endif
-#ifdef USE_UART3
- &uart3,
-#else
- NULL,
-#endif
-#ifdef USE_UART4
- &uart4,
-#else
- NULL,
-#endif
-#ifdef USE_UART5
- &uart5,
-#else
- NULL,
-#endif
-#ifdef USE_UART6
- &uart6,
-#else
- NULL,
-#endif
- };
-
-void uartIrqHandler(uartPort_t *s)
-{
- if (!s->rxDMAStream && (USART_GetITStatus(s->USARTx, USART_IT_RXNE) == SET)) {
- if (s->port.rxCallback) {
- s->port.rxCallback(s->USARTx->DR);
- } else {
- s->port.rxBuffer[s->port.rxBufferHead] = s->USARTx->DR;
- s->port.rxBufferHead = (s->port.rxBufferHead + 1) % s->port.rxBufferSize;
- }
- }
-
- if (!s->txDMAStream && (USART_GetITStatus(s->USARTx, USART_IT_TXE) == SET)) {
- if (s->port.txBufferTail != s->port.txBufferHead) {
- USART_SendData(s->USARTx, s->port.txBuffer[s->port.txBufferTail]);
- s->port.txBufferTail = (s->port.txBufferTail + 1) % s->port.txBufferSize;
- } else {
- USART_ITConfig(s->USARTx, USART_IT_TXE, DISABLE);
- }
- }
-
- if (USART_GetITStatus(s->USARTx, USART_FLAG_ORE) == SET)
- {
- USART_ClearITPendingBit (s->USARTx, USART_IT_ORE);
- }
-}
static void handleUsartTxDma(uartPort_t *s)
{
@@ -269,14 +209,19 @@ void dmaIRQHandler(dmaChannelDescriptor_t* descriptor)
}
}
+// XXX Should serialUART be consolidated?
+
uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, portOptions_t options)
{
uartPort_t *s;
- NVIC_InitTypeDef NVIC_InitStructure;
- uartDevice_t *uart = uartHardwareMap[device];
+ uartDevice_t *uart = uartDevmap[device];
if (!uart) return NULL;
+ const uartHardware_t *hardware = uart->hardware;
+
+ if (!hardware) return NULL; // XXX Can't happen !?
+
s = &(uart->port);
s->port.vTable = uartVTable;
@@ -287,54 +232,52 @@ uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, po
s->port.rxBufferSize = sizeof(uart->rxBuffer);
s->port.txBufferSize = sizeof(uart->txBuffer);
- s->USARTx = uart->dev;
- if (uart->rxDMAStream) {
- s->rxDMAChannel = uart->DMAChannel;
- s->rxDMAStream = uart->rxDMAStream;
- dmaInit(dmaGetIdentifier(uart->rxDMAStream), OWNER_SERIAL_RX, RESOURCE_INDEX(device));
+ s->USARTx = hardware->reg;
+
+ if (hardware->rxDMAStream) {
+ dmaInit(dmaGetIdentifier(hardware->rxDMAStream), OWNER_SERIAL_RX, RESOURCE_INDEX(device));
+ s->rxDMAChannel = hardware->DMAChannel;
+ s->rxDMAStream = hardware->rxDMAStream;
+ s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
}
- if (uart->txDMAStream) {
- s->txDMAChannel = uart->DMAChannel;
- s->txDMAStream = uart->txDMAStream;
- const dmaIdentifier_e identifier = dmaGetIdentifier(uart->txDMAStream);
+
+ if (hardware->txDMAStream) {
+ const dmaIdentifier_e identifier = dmaGetIdentifier(hardware->txDMAStream);
dmaInit(identifier, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
- // DMA TX Interrupt
- dmaSetHandler(identifier, dmaIRQHandler, uart->txPriority, (uint32_t)uart);
+ dmaSetHandler(identifier, dmaIRQHandler, hardware->txPriority, (uint32_t)uart);
+ s->txDMAChannel = hardware->DMAChannel;
+ s->txDMAStream = hardware->txDMAStream;
+ s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
}
- s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
- s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
+ IO_t txIO = IOGetByTag(uart->tx);
+ IO_t rxIO = IOGetByTag(uart->rx);
- IO_t tx = IOGetByTag(uart->tx);
- IO_t rx = IOGetByTag(uart->rx);
-
- if (uart->rcc_uart) {
- RCC_ClockCmd(uart->rcc_uart, ENABLE);
+ if (hardware->rcc) {
+ RCC_ClockCmd(hardware->rcc, ENABLE);
}
if (options & SERIAL_BIDIR) {
- IOInit(tx, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
- if (options & SERIAL_BIDIR_PP)
- IOConfigGPIOAF(tx, IOCFG_AF_PP, uart->af);
- else
- IOConfigGPIOAF(tx, IOCFG_AF_OD, uart->af);
- }
- else {
- if ((mode & MODE_TX) && tx) {
- IOInit(tx, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
- IOConfigGPIOAF(tx, IOCFG_AF_PP_UP, uart->af);
+ IOInit(txIO, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
+ IOConfigGPIOAF(txIO, (options & SERIAL_BIDIR_PP) ? IOCFG_AF_PP : IOCFG_AF_OD, hardware->af);
+ } else {
+ if ((mode & MODE_TX) && txIO) {
+ IOInit(txIO, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
+ IOConfigGPIOAF(txIO, IOCFG_AF_PP_UP, hardware->af);
}
- if ((mode & MODE_RX) && rx) {
- IOInit(rx, OWNER_SERIAL_RX, RESOURCE_INDEX(device));
- IOConfigGPIOAF(rx, IOCFG_AF_PP_UP, uart->af);
+ if ((mode & MODE_RX) && rxIO) {
+ IOInit(rxIO, OWNER_SERIAL_RX, RESOURCE_INDEX(device));
+ IOConfigGPIOAF(rxIO, IOCFG_AF_PP_UP, hardware->af);
}
}
if (!(s->rxDMAChannel)) {
- NVIC_InitStructure.NVIC_IRQChannel = uart->rxIrq;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(uart->rxPriority);
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(uart->rxPriority);
+ NVIC_InitTypeDef NVIC_InitStructure;
+
+ NVIC_InitStructure.NVIC_IRQChannel = hardware->irqn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(hardware->rxPriority);
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(hardware->rxPriority);
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
@@ -342,56 +285,29 @@ uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, po
return s;
}
-#ifdef USE_UART1
-// USART1 Rx/Tx IRQ Handler
-void USART1_IRQHandler(void)
+void uartIrqHandler(uartPort_t *s)
{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_1]->port);
- uartIrqHandler(s);
-}
+ if (!s->rxDMAStream && (USART_GetITStatus(s->USARTx, USART_IT_RXNE) == SET)) {
+ if (s->port.rxCallback) {
+ s->port.rxCallback(s->USARTx->DR);
+ } else {
+ s->port.rxBuffer[s->port.rxBufferHead] = s->USARTx->DR;
+ s->port.rxBufferHead = (s->port.rxBufferHead + 1) % s->port.rxBufferSize;
+ }
+ }
-#endif
+ if (!s->txDMAStream && (USART_GetITStatus(s->USARTx, USART_IT_TXE) == SET)) {
+ if (s->port.txBufferTail != s->port.txBufferHead) {
+ USART_SendData(s->USARTx, s->port.txBuffer[s->port.txBufferTail]);
+ s->port.txBufferTail = (s->port.txBufferTail + 1) % s->port.txBufferSize;
+ } else {
+ USART_ITConfig(s->USARTx, USART_IT_TXE, DISABLE);
+ }
+ }
-#ifdef USE_UART2
-void USART2_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_2]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART3
-// USART3
-void USART3_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_3]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART4
-// UART4
-void UART4_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_4]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART5
-// UART5
-void UART5_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_5]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART6
-// USART6
-void USART6_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_6]->port);
- uartIrqHandler(s);
+ if (USART_GetITStatus(s->USARTx, USART_FLAG_ORE) == SET)
+ {
+ USART_ClearITPendingBit (s->USARTx, USART_IT_ORE);
+ }
}
#endif
diff --git a/src/main/drivers/serial_uart_stm32f7xx.c b/src/main/drivers/serial_uart_stm32f7xx.c
index be782b9c2..1fd15044e 100644
--- a/src/main/drivers/serial_uart_stm32f7xx.c
+++ b/src/main/drivers/serial_uart_stm32f7xx.c
@@ -15,272 +15,227 @@
* along with Cleanflight. If not, see .
*/
+/*
+ * jflyper - Refactoring, cleanup and made pin-configurable
+ */
+
#include
#include
#include "platform.h"
#include "drivers/system.h"
+#include "drivers/dma.h"
#include "drivers/io.h"
-#include "rcc.h"
#include "drivers/nvic.h"
-#include "dma.h"
+#include "drivers/rcc.h"
-#include "serial.h"
-#include "serial_uart.h"
-#include "serial_uart_impl.h"
+#include "drivers/serial.h"
+#include "drivers/serial_uart.h"
+#include "drivers/serial_uart_impl.h"
+
+#ifdef USE_UART
static void handleUsartTxDma(uartPort_t *s);
-#define UART_RX_BUFFER_SIZE UART1_RX_BUFFER_SIZE
-#define UART_TX_BUFFER_SIZE UART1_TX_BUFFER_SIZE
-
-typedef struct uartDevice_s {
- USART_TypeDef* dev;
- uartPort_t port;
- uint32_t DMAChannel;
- DMA_Stream_TypeDef *txDMAStream;
- DMA_Stream_TypeDef *rxDMAStream;
- ioTag_t rx;
- ioTag_t tx;
- volatile uint8_t rxBuffer[UART_RX_BUFFER_SIZE];
- volatile uint8_t txBuffer[UART_TX_BUFFER_SIZE];
- uint32_t rcc_ahb1;
- rccPeriphTag_t rcc_apb2;
- rccPeriphTag_t rcc_apb1;
- uint8_t af;
- uint8_t txIrq;
- uint8_t rxIrq;
- uint32_t txPriority;
- uint32_t rxPriority;
-} uartDevice_t;
-
-//static uartPort_t uartPort[MAX_UARTS];
+const uartHardware_t uartHardware[UARTDEV_COUNT] = {
#ifdef USE_UART1
-static uartDevice_t uart1 =
-{
- .DMAChannel = DMA_CHANNEL_4,
+ {
+ .device = UARTDEV_1,
+ .reg = USART1,
+ .DMAChannel = DMA_CHANNEL_4,
#ifdef USE_UART1_RX_DMA
- .rxDMAStream = DMA2_Stream5,
+ .rxDMAStream = DMA2_Stream5,
#endif
- .txDMAStream = DMA2_Stream7,
- .dev = USART1,
- .rx = IO_TAG(UART1_RX_PIN),
- .tx = IO_TAG(UART1_TX_PIN),
- .af = GPIO_AF7_USART1,
+ .txDMAStream = DMA2_Stream7,
+ .pinPair = {
+ { DEFIO_TAG_E(PA10), DEFIO_TAG_E(PA9) },
+ { DEFIO_TAG_E(PB7), DEFIO_TAG_E(PB6) },
+ },
+ .af = GPIO_AF7_USART1,
#ifdef UART1_AHB1_PERIPHERALS
- .rcc_ahb1 = UART1_AHB1_PERIPHERALS,
+ .rcc_ahb1 = UART1_AHB1_PERIPHERALS,
#endif
- .rcc_apb2 = RCC_APB2(USART1),
- .txIrq = DMA2_ST7_HANDLER,
- .rxIrq = USART1_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART1_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART1
-};
+ .rcc_apb2 = RCC_APB2(USART1),
+ .txIrq = DMA2_ST7_HANDLER,
+ .rxIrq = USART1_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART1_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART1
+ },
#endif
#ifdef USE_UART2
-static uartDevice_t uart2 =
-{
- .DMAChannel = DMA_CHANNEL_4,
+ {
+ .device = UARTDEV_2,
+ .reg = USART2,
+ .DMAChannel = DMA_CHANNEL_4,
#ifdef USE_UART2_RX_DMA
- .rxDMAStream = DMA1_Stream5,
+ .rxDMAStream = DMA1_Stream5,
#endif
- .txDMAStream = DMA1_Stream6,
- .dev = USART2,
- .rx = IO_TAG(UART2_RX_PIN),
- .tx = IO_TAG(UART2_TX_PIN),
- .af = GPIO_AF7_USART2,
+ .txDMAStream = DMA1_Stream6,
+ .pinPair = {
+ { DEFIO_TAG_E(PA3), DEFIO_TAG_E(PA2) },
+ { DEFIO_TAG_E(PD6), DEFIO_TAG_E(PD5) },
+ },
+ .af = GPIO_AF7_USART2,
#ifdef UART2_AHB1_PERIPHERALS
- .rcc_ahb1 = UART2_AHB1_PERIPHERALS,
+ .rcc_ahb1 = UART2_AHB1_PERIPHERALS,
#endif
- .rcc_apb1 = RCC_APB1(USART2),
- .txIrq = DMA1_ST6_HANDLER,
- .rxIrq = USART2_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART2_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART2
-};
+ .rcc_apb1 = RCC_APB1(USART2),
+ .txIrq = DMA1_ST6_HANDLER,
+ .rxIrq = USART2_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART2_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART2
+ },
#endif
#ifdef USE_UART3
-static uartDevice_t uart3 =
-{
- .DMAChannel = DMA_CHANNEL_4,
+ {
+ .device = UARTDEV_3,
+ .reg = USART3,
+ .DMAChannel = DMA_CHANNEL_4,
#ifdef USE_UART3_RX_DMA
- .rxDMAStream = DMA1_Stream1,
+ .rxDMAStream = DMA1_Stream1,
#endif
- .txDMAStream = DMA1_Stream3,
- .dev = USART3,
- .rx = IO_TAG(UART3_RX_PIN),
- .tx = IO_TAG(UART3_TX_PIN),
- .af = GPIO_AF7_USART3,
+ .txDMAStream = DMA1_Stream3,
+ .pinPair = {
+ { DEFIO_TAG_E(PB11), DEFIO_TAG_E(PB10) },
+ { DEFIO_TAG_E(PC11), DEFIO_TAG_E(PC10) },
+ { DEFIO_TAG_E(PD9), DEFIO_TAG_E(PD8) },
+ },
+ .af = GPIO_AF7_USART3,
#ifdef UART3_AHB1_PERIPHERALS
- .rcc_ahb1 = UART3_AHB1_PERIPHERALS,
+ .rcc_ahb1 = UART3_AHB1_PERIPHERALS,
#endif
- .rcc_apb1 = RCC_APB1(USART3),
- .txIrq = DMA1_ST3_HANDLER,
- .rxIrq = USART3_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART3_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART3
-};
+ .rcc_apb1 = RCC_APB1(USART3),
+ .txIrq = DMA1_ST3_HANDLER,
+ .rxIrq = USART3_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART3_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART3
+ },
#endif
#ifdef USE_UART4
-static uartDevice_t uart4 =
-{
- .DMAChannel = DMA_CHANNEL_4,
+ {
+ .device = UARTDEV_4,
+ .reg = UART4,
+ .DMAChannel = DMA_CHANNEL_4,
#ifdef USE_UART4_RX_DMA
- .rxDMAStream = DMA1_Stream2,
+ .rxDMAStream = DMA1_Stream2,
#endif
- .txDMAStream = DMA1_Stream4,
- .dev = UART4,
- .rx = IO_TAG(UART4_RX_PIN),
- .tx = IO_TAG(UART4_TX_PIN),
- .af = GPIO_AF8_UART4,
+ .txDMAStream = DMA1_Stream4,
+ .pinPair = {
+ { DEFIO_TAG_E(PA1), DEFIO_TAG_E(PA0) },
+ { DEFIO_TAG_E(PC11), DEFIO_TAG_E(PC10) },
+ },
+ .af = GPIO_AF8_UART4,
#ifdef UART4_AHB1_PERIPHERALS
- .rcc_ahb1 = UART4_AHB1_PERIPHERALS,
+ .rcc_ahb1 = UART4_AHB1_PERIPHERALS,
#endif
- .rcc_apb1 = RCC_APB1(UART4),
- .txIrq = DMA1_ST4_HANDLER,
- .rxIrq = UART4_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART4_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART4
-};
+ .rcc_apb1 = RCC_APB1(UART4),
+ .txIrq = DMA1_ST4_HANDLER,
+ .rxIrq = UART4_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART4_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART4
+ },
#endif
#ifdef USE_UART5
-static uartDevice_t uart5 =
-{
- .DMAChannel = DMA_CHANNEL_4,
+ {
+ .device = UARTDEV_5,
+ .reg = UART5,
+ .DMAChannel = DMA_CHANNEL_4,
#ifdef USE_UART5_RX_DMA
- .rxDMAStream = DMA1_Stream0,
+ .rxDMAStream = DMA1_Stream0,
#endif
- .txDMAStream = DMA1_Stream7,
- .dev = UART5,
- .rx = IO_TAG(UART5_RX_PIN),
- .tx = IO_TAG(UART5_TX_PIN),
- .af = GPIO_AF8_UART5,
+ .txDMAStream = DMA1_Stream7,
+ .pinPair = {
+ { DEFIO_TAG_E(PD2), DEFIO_TAG_E(PC12) },
+ },
+ .af = GPIO_AF8_UART5,
#ifdef UART5_AHB1_PERIPHERALS
- .rcc_ahb1 = UART5_AHB1_PERIPHERALS,
+ .rcc_ahb1 = UART5_AHB1_PERIPHERALS,
#endif
- .rcc_apb1 = RCC_APB1(UART5),
- .txIrq = DMA1_ST7_HANDLER,
- .rxIrq = UART5_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART5_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART5
-};
+ .rcc_apb1 = RCC_APB1(UART5),
+ .txIrq = DMA1_ST7_HANDLER,
+ .rxIrq = UART5_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART5_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART5
+ },
#endif
#ifdef USE_UART6
-static uartDevice_t uart6 =
-{
- .DMAChannel = DMA_CHANNEL_5,
+ {
+ .device = UARTDEV_6,
+ .reg = USART6,
+ .DMAChannel = DMA_CHANNEL_5,
#ifdef USE_UART6_RX_DMA
- .rxDMAStream = DMA2_Stream1,
+ .rxDMAStream = DMA2_Stream1,
#endif
- .txDMAStream = DMA2_Stream6,
- .dev = USART6,
- .rx = IO_TAG(UART6_RX_PIN),
- .tx = IO_TAG(UART6_TX_PIN),
- .af = GPIO_AF8_USART6,
+ .txDMAStream = DMA2_Stream6,
+ .pinPair = {
+ { DEFIO_TAG_E(PC7), DEFIO_TAG_E(PC6) },
+ { DEFIO_TAG_E(PG9), DEFIO_TAG_E(PG14) },
+ },
+ .af = GPIO_AF8_USART6,
#ifdef UART6_AHB1_PERIPHERALS
- .rcc_ahb1 = UART6_AHB1_PERIPHERALS,
+ .rcc_ahb1 = UART6_AHB1_PERIPHERALS,
#endif
- .rcc_apb2 = RCC_APB2(USART6),
- .txIrq = DMA2_ST6_HANDLER,
- .rxIrq = USART6_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART6_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART6
-};
+ .rcc_apb2 = RCC_APB2(USART6),
+ .txIrq = DMA2_ST6_HANDLER,
+ .rxIrq = USART6_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART6_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART6
+ },
#endif
#ifdef USE_UART7
-static uartDevice_t uart7 =
-{
- .DMAChannel = DMA_CHANNEL_5,
+ {
+ .device = UARTDEV_7,
+ .reg = UART7,
+ .DMAChannel = DMA_CHANNEL_5,
#ifdef USE_UART7_RX_DMA
- .rxDMAStream = DMA1_Stream3,
+ .rxDMAStream = DMA1_Stream3,
#endif
- .txDMAStream = DMA1_Stream1,
- .dev = UART7,
- .rx = IO_TAG(UART7_RX_PIN),
- .tx = IO_TAG(UART7_TX_PIN),
- .af = GPIO_AF8_UART7,
+ .txDMAStream = DMA1_Stream1,
+ .pinPair = {
+ { DEFIO_TAG_E(PE7), DEFIO_TAG_E(PE8) },
+ { DEFIO_TAG_E(PF6), DEFIO_TAG_E(PF7) },
+ },
+ .af = GPIO_AF8_UART7,
#ifdef UART7_AHB1_PERIPHERALS
- .rcc_ahb1 = UART7_AHB1_PERIPHERALS,
+ .rcc_ahb1 = UART7_AHB1_PERIPHERALS,
#endif
- .rcc_apb1 = RCC_APB1(UART7),
- .txIrq = DMA1_ST1_HANDLER,
- .rxIrq = UART7_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART7_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART7
-};
+ .rcc_apb1 = RCC_APB1(UART7),
+ .txIrq = DMA1_ST1_HANDLER,
+ .rxIrq = UART7_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART7_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART7
+ },
#endif
+
#ifdef USE_UART8
-static uartDevice_t uart8 =
-{
- .DMAChannel = DMA_CHANNEL_5,
+ {
+ .device = UARTDEV_8,
+ .reg = UART8,
+ .DMAChannel = DMA_CHANNEL_5,
#ifdef USE_UART8_RX_DMA
- .rxDMAStream = DMA1_Stream6,
+ .rxDMAStream = DMA1_Stream6,
#endif
- .txDMAStream = DMA1_Stream0,
- .dev = UART8,
- .rx = IO_TAG(UART8_RX_PIN),
- .tx = IO_TAG(UART8_TX_PIN),
- .af = GPIO_AF8_UART8,
+ .txDMAStream = DMA1_Stream0,
+ .pinPair = {
+ { DEFIO_TAG_E(PE0), DEFIO_TAG_E(PE1) },
+ },
+ .af = GPIO_AF8_UART8,
#ifdef UART8_AHB1_PERIPHERALS
- .rcc_ahb1 = UART8_AHB1_PERIPHERALS,
+ .rcc_ahb1 = UART8_AHB1_PERIPHERALS,
#endif
- .rcc_apb1 = RCC_APB1(UART8),
- .txIrq = DMA1_ST0_HANDLER,
- .rxIrq = UART8_IRQn,
- .txPriority = NVIC_PRIO_SERIALUART8_TXDMA,
- .rxPriority = NVIC_PRIO_SERIALUART8
-};
-#endif
-
-
-
-static uartDevice_t* uartHardwareMap[] = {
-#ifdef USE_UART1
- &uart1,
-#else
- NULL,
-#endif
-#ifdef USE_UART2
- &uart2,
-#else
- NULL,
-#endif
-#ifdef USE_UART3
- &uart3,
-#else
- NULL,
-#endif
-#ifdef USE_UART4
- &uart4,
-#else
- NULL,
-#endif
-#ifdef USE_UART5
- &uart5,
-#else
- NULL,
-#endif
-#ifdef USE_UART6
- &uart6,
-#else
- NULL,
-#endif
-#ifdef USE_UART7
- &uart7,
-#else
- NULL,
-#endif
-#ifdef USE_UART8
- &uart8,
-#else
- NULL,
+ .rcc_apb1 = RCC_APB1(UART8),
+ .txIrq = DMA1_ST0_HANDLER,
+ .rxIrq = UART8_IRQn,
+ .txPriority = NVIC_PRIO_SERIALUART8_TXDMA,
+ .rxPriority = NVIC_PRIO_SERIALUART8
+ },
#endif
};
@@ -361,140 +316,76 @@ void dmaIRQHandler(dmaChannelDescriptor_t* descriptor)
HAL_DMA_IRQHandler(&s->txDMAHandle);
}
+// XXX Should serialUART be consolidated?
+
uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, portOptions_t options)
{
- uartPort_t *s;
+ uartDevice_t *uartdev = uartDevmap[device];
+ if (!uartdev) {
+ return NULL;
+ }
- uartDevice_t *uart = uartHardwareMap[device];
- if (!uart) return NULL;
+ uartPort_t *s = &(uartdev->port);
- s = &(uart->port);
s->port.vTable = uartVTable;
s->port.baudRate = baudRate;
- s->port.rxBuffer = uart->rxBuffer;
- s->port.txBuffer = uart->txBuffer;
- s->port.rxBufferSize = sizeof(uart->rxBuffer);
- s->port.txBufferSize = sizeof(uart->txBuffer);
+ s->port.rxBuffer = uartdev->rxBuffer;
+ s->port.txBuffer = uartdev->txBuffer;
+ s->port.rxBufferSize = ARRAYLEN(uartdev->rxBuffer);
+ s->port.txBufferSize = ARRAYLEN(uartdev->txBuffer);
- s->USARTx = uart->dev;
- if (uart->rxDMAStream) {
- s->rxDMAChannel = uart->DMAChannel;
- s->rxDMAStream = uart->rxDMAStream;
+ const uartHardware_t *hardware = uartdev->hardware;
+
+ s->USARTx = hardware->reg;
+
+ if (hardware->rxDMAStream) {
+ s->rxDMAChannel = hardware->DMAChannel;
+ s->rxDMAStream = hardware->rxDMAStream;
}
- s->txDMAChannel = uart->DMAChannel;
- s->txDMAStream = uart->txDMAStream;
+ s->txDMAChannel = hardware->DMAChannel;
+ s->txDMAStream = hardware->txDMAStream;
s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->TDR;
s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->RDR;
- s->Handle.Instance = uart->dev;
+ s->Handle.Instance = hardware->reg;
- IO_t tx = IOGetByTag(uart->tx);
- IO_t rx = IOGetByTag(uart->rx);
+ IO_t txIO = IOGetByTag(uartdev->tx);
+ IO_t rxIO = IOGetByTag(uartdev->rx);
- if ((options & SERIAL_BIDIR) && tx) {
- IOInit(tx, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
- IOConfigGPIOAF(tx, IOCFG_AF_PP, uart->af);
+ if ((options & SERIAL_BIDIR) && txIO) {
+ // XXX BIDIR_PP handling is missing
+ IOInit(txIO, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
+ IOConfigGPIOAF(txIO, IOCFG_AF_PP, hardware->af);
}
else {
- if ((mode & MODE_TX) && tx) {
- IOInit(tx, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
- IOConfigGPIOAF(tx, IOCFG_AF_PP, uart->af);
+ if ((mode & MODE_TX) && txIO) {
+ IOInit(txIO, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
+ IOConfigGPIOAF(txIO, IOCFG_AF_PP, hardware->af);
}
- if ((mode & MODE_RX) && rx) {
- IOInit(rx, OWNER_SERIAL_RX, RESOURCE_INDEX(device));
- IOConfigGPIOAF(rx, IOCFG_AF_PP, uart->af);
+ if ((mode & MODE_RX) && rxIO) {
+ IOInit(rxIO, OWNER_SERIAL_RX, RESOURCE_INDEX(device));
+ IOConfigGPIOAF(rxIO, IOCFG_AF_PP, hardware->af);
}
}
// DMA TX Interrupt
- dmaInit(uart->txIrq, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
- dmaSetHandler(uart->txIrq, dmaIRQHandler, uart->txPriority, (uint32_t)uart);
+ dmaInit(hardware->txIrq, OWNER_SERIAL_TX, RESOURCE_INDEX(device));
+ dmaSetHandler(hardware->txIrq, dmaIRQHandler, hardware->txPriority, (uint32_t)uartdev);
- //HAL_NVIC_SetPriority(uart->txIrq, NVIC_PRIORITY_BASE(uart->txPriority), NVIC_PRIORITY_SUB(uart->txPriority));
- //HAL_NVIC_EnableIRQ(uart->txIrq);
+ //HAL_NVIC_SetPriority(hardware->txIrq, NVIC_PRIORITY_BASE(hardware->txPriority), NVIC_PRIORITY_SUB(hardware->txPriority));
+ //HAL_NVIC_EnableIRQ(hardware->txIrq);
if(!s->rxDMAChannel)
{
- HAL_NVIC_SetPriority(uart->rxIrq, NVIC_PRIORITY_BASE(uart->rxPriority), NVIC_PRIORITY_SUB(uart->rxPriority));
- HAL_NVIC_EnableIRQ(uart->rxIrq);
+ HAL_NVIC_SetPriority(hardware->rxIrq, NVIC_PRIORITY_BASE(hardware->rxPriority), NVIC_PRIORITY_SUB(hardware->rxPriority));
+ HAL_NVIC_EnableIRQ(hardware->rxIrq);
}
return s;
}
-
-#ifdef USE_UART1
-// USART1 Rx/Tx IRQ Handler
-void USART1_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_1]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART2
-// USART2 Rx/Tx IRQ Handler
-void USART2_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_2]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART3
-// USART3 Rx/Tx IRQ Handler
-void USART3_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_3]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART4
-// UART4 Rx/Tx IRQ Handler
-void UART4_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_4]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART5
-// UART5 Rx/Tx IRQ Handler
-void UART5_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_5]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART6
-// USART6 Rx/Tx IRQ Handler
-void USART6_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_6]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART7
-// UART7 Rx/Tx IRQ Handler
-void UART7_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_7]->port);
- uartIrqHandler(s);
-}
-#endif
-
-#ifdef USE_UART8
-// UART8 Rx/Tx IRQ Handler
-void UART8_IRQHandler(void)
-{
- uartPort_t *s = &(uartHardwareMap[UARTDEV_8]->port);
- uartIrqHandler(s);
-}
-#endif
+#endif // USE_UART
diff --git a/src/main/fc/config.c b/src/main/fc/config.c
index 6eb12b8b5..7a8fedfda 100755
--- a/src/main/fc/config.c
+++ b/src/main/fc/config.c
@@ -52,7 +52,6 @@
#include "drivers/rx_spi.h"
#include "drivers/sdcard.h"
#include "drivers/sensor.h"
-#include "drivers/serial.h"
#include "drivers/sonar_hcsr04.h"
#include "drivers/sound_beeper.h"
#include "drivers/system.h"
@@ -150,7 +149,6 @@ PG_REGISTER_WITH_RESET_FN(pwmConfig_t, pwmConfig, PG_PWM_CONFIG, 0);
PG_REGISTER_WITH_RESET_FN(ppmConfig_t, ppmConfig, PG_PPM_CONFIG, 0);
#endif
PG_REGISTER_WITH_RESET_FN(statusLedConfig_t, statusLedConfig, PG_STATUS_LED_CONFIG, 0);
-PG_REGISTER_WITH_RESET_FN(serialPinConfig_t, serialPinConfig, PG_SERIAL_PIN_CONFIG, 0);
#ifdef USE_FLASHFS
PG_REGISTER_WITH_RESET_TEMPLATE(flashConfig_t, flashConfig, PG_FLASH_CONFIG, 0);
@@ -249,196 +247,6 @@ void pgResetFn_pwmConfig(pwmConfig_t *pwmConfig)
}
#endif
-
-
-
-// Default pin (NONE).
-// XXX Does this mess belong here???
-#ifdef USE_UART1
-# if !defined(UART1_RX_PIN)
-# define UART1_RX_PIN NONE
-# endif
-# if !defined(UART1_TX_PIN)
-# define UART1_TX_PIN NONE
-# endif
-#endif
-
-#ifdef USE_UART2
-# if !defined(UART2_RX_PIN)
-# define UART2_RX_PIN NONE
-# endif
-# if !defined(UART2_TX_PIN)
-# define UART2_TX_PIN NONE
-# endif
-#endif
-
-#ifdef USE_UART3
-# if !defined(UART3_RX_PIN)
-# define UART3_RX_PIN NONE
-# endif
-# if !defined(UART3_TX_PIN)
-# define UART3_TX_PIN NONE
-# endif
-#endif
-
-#ifdef USE_UART4
-# if !defined(UART4_RX_PIN)
-# define UART4_RX_PIN NONE
-# endif
-# if !defined(UART4_TX_PIN)
-# define UART4_TX_PIN NONE
-# endif
-#endif
-
-#ifdef USE_UART5
-# if !defined(UART5_RX_PIN)
-# define UART5_RX_PIN NONE
-# endif
-# if !defined(UART5_TX_PIN)
-# define UART5_TX_PIN NONE
-# endif
-#endif
-
-#ifdef USE_UART6
-# if !defined(UART6_RX_PIN)
-# define UART6_RX_PIN NONE
-# endif
-# if !defined(UART6_TX_PIN)
-# define UART6_TX_PIN NONE
-# endif
-#endif
-
-#ifdef USE_UART7
-# if !defined(UART7_RX_PIN)
-# define UART7_RX_PIN NONE
-# endif
-# if !defined(UART7_TX_PIN)
-# define UART7_TX_PIN NONE
-# endif
-#endif
-
-#ifdef USE_UART8
-# if !defined(UART8_RX_PIN)
-# define UART8_RX_PIN NONE
-# endif
-# if !defined(UART8_TX_PIN)
-# define UART8_TX_PIN NONE
-# endif
-#endif
-
-#ifdef USE_SOFTSERIAL1
-# if !defined(SOFTSERIAL1_RX_PIN)
-# define SOFTSERIAL1_RX_PIN NONE
-# endif
-# if !defined(SOFTSERIAL1_TX_PIN)
-# define SOFTSERIAL1_TX_PIN NONE
-# endif
-#endif
-
-#ifdef USE_SOFTSERIAL2
-# if !defined(SOFTSERIAL2_RX_PIN)
-# define SOFTSERIAL2_RX_PIN NONE
-# endif
-# if !defined(SOFTSERIAL2_TX_PIN)
-# define SOFTSERIAL2_TX_PIN NONE
-# endif
-#endif
-
-void pgResetFn_serialPinConfig(serialPinConfig_t *serialPinConfig)
-{
- for (int port = 0 ; port < SERIAL_PORT_MAX_INDEX ; port++) {
- serialPinConfig->ioTagRx[port] = IO_TAG(NONE);
- serialPinConfig->ioTagTx[port] = IO_TAG(NONE);
- }
-
- for (int index = 0 ; index < SERIAL_PORT_COUNT ; index++) {
- switch (serialPortIdentifiers[index]) {
- case SERIAL_PORT_USART1:
-#ifdef USE_UART1
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART1)] = IO_TAG(UART1_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART1)] = IO_TAG(UART1_TX_PIN);
-#ifdef INVERTER_PIN_UART1
- serialPinConfig->ioTagInverter[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART1)] = IO_TAG(INVERTER_PIN_UART1);
-#endif
-#endif
- break;
- case SERIAL_PORT_USART2:
-#ifdef USE_UART2
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART2)] = IO_TAG(UART2_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART2)] = IO_TAG(UART2_TX_PIN);
-#ifdef INVERTER_PIN_UART2
- serialPinConfig->ioTagInverter[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART2)] = IO_TAG(INVERTER_PIN_UART2);
-#endif
-#endif
- break;
- case SERIAL_PORT_USART3:
-#ifdef USE_UART3
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART3)] = IO_TAG(UART3_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART3)] = IO_TAG(UART3_TX_PIN);
-#ifdef INVERTER_PIN_UART3
- serialPinConfig->ioTagInverter[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART3)] = IO_TAG(INVERTER_PIN_UART3);
-#endif
-#endif
- break;
- case SERIAL_PORT_UART4:
-#ifdef USE_UART4
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_UART4)] = IO_TAG(UART4_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_UART4)] = IO_TAG(UART4_TX_PIN);
-#ifdef INVERTER_PIN_UART4
- serialPinConfig->ioTagInverter[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART4)] = IO_TAG(INVERTER_PIN_UART4);
-#endif
-#endif
- break;
- case SERIAL_PORT_UART5:
-#ifdef USE_UART5
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_UART5)] = IO_TAG(UART5_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_UART5)] = IO_TAG(UART5_TX_PIN);
-#ifdef INVERTER_PIN_UART5
- serialPinConfig->ioTagInverter[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART5)] = IO_TAG(INVERTER_PIN_UART5);
-#endif
-#endif
- break;
- case SERIAL_PORT_USART6:
-#ifdef USE_UART6
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART6)] = IO_TAG(UART6_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART6)] = IO_TAG(UART6_TX_PIN);
-#ifdef INVERTER_PIN_UART6
- serialPinConfig->ioTagInverter[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART6)] = IO_TAG(INVERTER_PIN_UART6);
-#endif
-#endif
- break;
- case SERIAL_PORT_USART7:
-#ifdef USE_UART7
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART7)] = IO_TAG(UART7_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART7)] = IO_TAG(UART7_TX_PIN);
-#endif
- break;
- case SERIAL_PORT_USART8:
-#ifdef USE_UART8
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART8)] = IO_TAG(UART8_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_USART8)] = IO_TAG(UART8_TX_PIN);
-#endif
- break;
- case SERIAL_PORT_SOFTSERIAL1:
-#ifdef USE_SOFTSERIAL1
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_SOFTSERIAL1)] = IO_TAG(SOFTSERIAL1_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_SOFTSERIAL1)] = IO_TAG(SOFTSERIAL1_TX_PIN);
-#endif
- break;
- case SERIAL_PORT_SOFTSERIAL2:
-#ifdef USE_SOFTSERIAL2
- serialPinConfig->ioTagRx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_SOFTSERIAL2)] = IO_TAG(SOFTSERIAL2_RX_PIN);
- serialPinConfig->ioTagTx[SERIAL_PORT_IDENTIFIER_TO_INDEX(SERIAL_PORT_SOFTSERIAL2)] = IO_TAG(SOFTSERIAL2_TX_PIN);
-#endif
- break;
- case SERIAL_PORT_USB_VCP:
- break;
- case SERIAL_PORT_NONE:
- break;
- }
- }
-}
-
#ifdef SWAP_SERIAL_PORT_0_AND_1_DEFAULTS
#define FIRST_PORT_INDEX 1
#define SECOND_PORT_INDEX 0
diff --git a/src/main/fc/fc_init.c b/src/main/fc/fc_init.c
index f64f91128..f8422f242 100644
--- a/src/main/fc/fc_init.c
+++ b/src/main/fc/fc_init.c
@@ -281,6 +281,10 @@ void init(void)
busSwitchInit();
#endif
+#ifdef USE_UART
+ uartPinConfigure(serialPinConfig());
+#endif
+
#if defined(AVOID_UART1_FOR_PWM_PPM)
serialInit(feature(FEATURE_SOFTSERIAL),
feature(FEATURE_RX_PPM) || feature(FEATURE_RX_PARALLEL_PWM) ? SERIAL_PORT_USART1 : SERIAL_PORT_NONE);
diff --git a/src/main/io/serial.c b/src/main/io/serial.c
index 13b3227f7..12510dcca 100644
--- a/src/main/io/serial.c
+++ b/src/main/io/serial.c
@@ -32,17 +32,12 @@
#include "drivers/system.h"
#include "drivers/serial.h"
+#include "drivers/serial_uart.h"
#if defined(USE_SOFTSERIAL1) || defined(USE_SOFTSERIAL2)
#include "drivers/serial_softserial.h"
#endif
-#define USE_UART (defined(USE_UART1) || defined(USE_UART2) || defined(USE_UART3) || defined(USE_UART4) || defined(USE_UART5) || defined(USE_UART6) || defined(USE_UART7) || defined(USE_UART8))
-
-#define USE_SERIAL (USE_UART || defined(USE_SOFTSERIAL1) || defined(USE_SOFTSERIAL2))
-
-#if USE_UART
-#include "drivers/serial_uart.h"
-#endif
+#define USE_SERIAL (defined(USE_UART) || defined(USE_SOFTSERIAL1) || defined(USE_SOFTSERIAL2))
#include "drivers/light_led.h"
diff --git a/src/main/target/SITL/target.h b/src/main/target/SITL/target.h
index a1a7b414e..d04bee08b 100644
--- a/src/main/target/SITL/target.h
+++ b/src/main/target/SITL/target.h
@@ -59,14 +59,14 @@
#define USABLE_TIMER_CHANNEL_COUNT 0
-#define USE_UART1
-#define USE_UART2
-#define USE_UART3
-#define USE_UART4
-#define USE_UART5
-#define USE_UART6
-#define USE_UART7
-#define USE_UART8
+//#define USE_UART1
+//#define USE_UART2
+//#define USE_UART3
+//#define USE_UART4
+//#define USE_UART5
+//#define USE_UART6
+//#define USE_UART7
+//#define USE_UART8
//#define USE_SOFTSERIAL1
//#define USE_SOFTSERIAL2