Drop software SPI RX support

This commit is contained in:
jflyper 2018-05-23 09:29:43 +09:00
parent 8f1df0635f
commit c60eecbff0
7 changed files with 6 additions and 170 deletions

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@ -16,7 +16,6 @@ COMMON_SRC = \
drivers/bus_spi.c \
drivers/bus_spi_config.c \
drivers/bus_spi_pinconfig.c \
drivers/bus_spi_soft.c \
drivers/buttons.c \
drivers/display.c \
drivers/exti.c \

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@ -1,91 +0,0 @@
/*
* This file is part of Cleanflight and Betaflight.
*
* Cleanflight and Betaflight are free software. You can redistribute
* this software and/or modify this software 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 and Betaflight are distributed in the hope that they
* 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 this software.
*
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdint.h>
#include <platform.h>
#ifdef USE_SOFTSPI
#include "build/build_config.h"
#include "drivers/io.h"
#include "io_impl.h"
#include "drivers/bus_spi.h"
#include "bus_spi_soft.h"
void softSpiInit(const softSPIDevice_t *dev)
{
// SCK as output
IOInit(IOGetByTag(dev->sckTag), OWNER_SPI_SCK, RESOURCE_INDEX(SOFT_SPIDEV_1) + 10);
#if defined(STM32F10X)
IOConfigGPIO(IOGetByTag(dev->sckTag), IO_CONFIG(GPIO_Mode_Out_PP, GPIO_Speed_50MHz));
#elif defined(STM32F3) || defined(STM32F4)
IOConfigGPIOAF(IOGetByTag(dev->sckTag), SPI_IO_AF_CFG, 0);
#endif
// MOSI as output
IOInit(IOGetByTag(dev->mosiTag), OWNER_SPI_MOSI, RESOURCE_INDEX(SOFT_SPIDEV_1) + 10);
#if defined(STM32F10X)
IOConfigGPIO(IOGetByTag(dev->mosiTag), IO_CONFIG(GPIO_Mode_Out_PP, GPIO_Speed_50MHz));
#elif defined(STM32F3) || defined(STM32F4)
IOConfigGPIOAF(IOGetByTag(dev->mosiTag), SPI_IO_AF_CFG, 0);
#endif
// MISO as input
IOInit(IOGetByTag(dev->misoTag), OWNER_SPI_MISO, RESOURCE_INDEX(SOFT_SPIDEV_1) + 10);
#if defined(STM32F10X)
IOConfigGPIO(IOGetByTag(dev->misoTag), IO_CONFIG(GPIO_Mode_IN_FLOATING, GPIO_Speed_50MHz));
#elif defined(STM32F3) || defined(STM32F4)
IOConfigGPIOAF(IOGetByTag(dev->misoTag), SPI_IO_AF_CFG, 0);
#endif
// NSS as output
if (dev->nssTag != IOTAG_NONE) {
IOInit(IOGetByTag(dev->nssTag), OWNER_SPI_CS, RESOURCE_INDEX(SOFT_SPIDEV_1) + 10);
#if defined(STM32F10X)
IOConfigGPIO(IOGetByTag(dev->nssTag), IO_CONFIG(GPIO_Mode_Out_PP, GPIO_Speed_50MHz));
#elif defined(STM32F3) || defined(STM32F4)
IOConfigGPIOAF(IOGetByTag(dev->nssTag), SPI_IO_AF_CFG, 0);
#endif
}
}
uint8_t softSpiTransferByte(const softSPIDevice_t *dev, uint8_t byte)
{
for (int ii = 0; ii < 8; ++ii) {
if (byte & 0x80) {
IOHi(IOGetByTag(dev->mosiTag));
} else {
IOLo(IOGetByTag(dev->mosiTag));
}
IOHi(IOGetByTag(dev->sckTag));
byte <<= 1;
if (IORead(IOGetByTag(dev->misoTag)) == 1) {
byte |= 1;
}
IOLo(IOGetByTag(dev->sckTag));
}
return byte;
}
#endif

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@ -1,38 +0,0 @@
/*
* This file is part of Cleanflight and Betaflight.
*
* Cleanflight and Betaflight are free software. You can redistribute
* this software and/or modify this software 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 and Betaflight are distributed in the hope that they
* 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 this software.
*
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "drivers/io_types.h"
typedef enum softSPIDevice {
SOFT_SPIDEV_1 = 0
} softSPIDevice_e;
typedef struct softSPIDevice_s {
ioTag_t sckTag;
ioTag_t mosiTag;
ioTag_t misoTag;
ioTag_t nssTag;
} softSPIDevice_t;
void softSpiInit(const softSPIDevice_t *dev);
uint8_t softSpiTransferByte(const softSPIDevice_t *dev, uint8_t data);

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@ -32,7 +32,6 @@
#include "build/build_config.h"
#include "drivers/bus_spi.h"
#include "drivers/bus_spi_soft.h"
#include "drivers/io.h"
#include "drivers/io_impl.h"
#include "drivers/rcc.h"
@ -43,18 +42,7 @@
#define DISABLE_RX() {IOHi(DEFIO_IO(RX_NSS_PIN));}
#define ENABLE_RX() {IOLo(DEFIO_IO(RX_NSS_PIN));}
#ifdef USE_RX_SOFTSPI
static const softSPIDevice_t softSPIDevice = {
.sckTag = IO_TAG(RX_SCK_PIN),
.mosiTag = IO_TAG(RX_MOSI_PIN),
.misoTag = IO_TAG(RX_MISO_PIN),
// Note: Nordic Semiconductor uses 'CSN', STM uses 'NSS'
.nssTag = IO_TAG(RX_NSS_PIN),
};
static bool useSoftSPI = false;
#endif // USE_RX_SOFTSPI
void rxSpiDeviceInit(rx_spi_type_e spiType)
void rxSpiDeviceInit(void)
{
static bool hardwareInitialised = false;
@ -62,19 +50,10 @@ void rxSpiDeviceInit(rx_spi_type_e spiType)
return;
}
#ifdef USE_RX_SOFTSPI
if (spiType == RX_SPI_SOFTSPI) {
useSoftSPI = true;
softSpiInit(&softSPIDevice);
}
const SPIDevice rxSPIDevice = SOFT_SPIDEV_1;
#else
UNUSED(spiType);
const SPIDevice rxSPIDevice = spiDeviceByInstance(RX_SPI_INSTANCE);
const IO_t rxCsPin = DEFIO_IO(RX_NSS_PIN);
IOInit(rxCsPin, OWNER_RX_SPI_CS, rxSPIDevice + 1);
IOConfigGPIO(rxCsPin, SPI_IO_CS_CFG);
#endif // USE_RX_SOFTSPI
DISABLE_RX();
@ -86,18 +65,11 @@ void rxSpiDeviceInit(rx_spi_type_e spiType)
uint8_t rxSpiTransferByte(uint8_t data)
{
#ifdef USE_RX_SOFTSPI
if (useSoftSPI) {
return softSpiTransferByte(&softSPIDevice, data);
} else
#endif
{
#ifdef RX_SPI_INSTANCE
return spiTransferByte(RX_SPI_INSTANCE, data);
return spiTransferByte(RX_SPI_INSTANCE, data);
#else
return 0;
return 0;
#endif
}
}
uint8_t rxSpiWriteByte(uint8_t data)

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@ -22,14 +22,9 @@
#include <stdint.h>
typedef enum {
RX_SPI_SOFTSPI,
RX_SPI_HARDSPI
} rx_spi_type_e;
#define RX_SPI_MAX_PAYLOAD_SIZE 32
void rxSpiDeviceInit(rx_spi_type_e spiType);
void rxSpiDeviceInit(void);
uint8_t rxSpiTransferByte(uint8_t data);
uint8_t rxSpiWriteByte(uint8_t data);
uint8_t rxSpiWriteCommand(uint8_t command, uint8_t data);

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@ -258,7 +258,7 @@ void spiPreInit(void)
#ifdef FLASH_CS_PIN
spiPreInitCs(IO_TAG(FLASH_CS_PIN));
#endif
#if defined(USE_RX_SPI) && !defined(USE_RX_SOFTSPI)
#if defined(USE_RX_SPI)
spiPreInitCs(IO_TAG(RX_NSS_PIN));
#endif
}

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@ -171,8 +171,7 @@ bool rxSpiInit(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig)
{
bool ret = false;
const rx_spi_type_e spiType = feature(FEATURE_SOFTSPI) ? RX_SPI_SOFTSPI : RX_SPI_HARDSPI;
rxSpiDeviceInit(spiType);
rxSpiDeviceInit();
if (rxSpiSetProtocol(rxConfig->rx_spi_protocol)) {
ret = protocolInit(rxConfig, rxRuntimeConfig);
}