Feature request #28 merged.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5914 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
barthess 2013-06-30 14:14:07 +00:00
parent 1e412cad0d
commit 7fadc40371
3 changed files with 340 additions and 4 deletions

View File

@ -55,6 +55,22 @@
STM32_DMA_GETCHANNEL(STM32_UART_USART3_TX_DMA_STREAM, \
STM32_USART3_TX_DMA_CHN)
#define UART4_RX_DMA_CHANNEL \
STM32_DMA_GETCHANNEL(STM32_UART_UART4_RX_DMA_STREAM, \
STM32_UART4_RX_DMA_CHN)
#define USART4_TX_DMA_CHANNEL \
STM32_DMA_GETCHANNEL(STM32_UART_USART4_TX_DMA_STREAM, \
STM32_UART4_TX_DMA_CHN)
#define UART5_RX_DMA_CHANNEL \
STM32_DMA_GETCHANNEL(STM32_UART_UART5_RX_DMA_STREAM, \
STM32_UART5_RX_DMA_CHN)
#define USART5_TX_DMA_CHANNEL \
STM32_DMA_GETCHANNEL(STM32_UART_USART5_TX_DMA_STREAM, \
STM32_UART5_TX_DMA_CHN)
#define USART6_RX_DMA_CHANNEL \
STM32_DMA_GETCHANNEL(STM32_UART_USART6_RX_DMA_STREAM, \
STM32_USART6_RX_DMA_CHN)
@ -63,6 +79,14 @@
STM32_DMA_GETCHANNEL(STM32_UART_USART6_TX_DMA_STREAM, \
STM32_USART6_TX_DMA_CHN)
#if (STM32_UART_USE_UART4 || STM32_UART_USE_UART5)
#define STM32_UART45_CR2_CHECK_MASK (USART_CR2_STOP_0 | USART_CR2_CLKEN | \
USART_CR2_CPOL | USART_CR2_CPHA | USART_CR2_LBCL)
#define STM32_UART45_CR3_CHECK_MASK (USART_CR3_CTSIE | USART_CR3_CTSE | \
USART_CR3_RTSE | USART_CR3_SCEN | USART_CR3_NACK)
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
@ -82,6 +106,15 @@ UARTDriver UARTD2;
UARTDriver UARTD3;
#endif
/** @brief UART4 UART driver identifier.*/
#if STM32_UART_USE_UART4 || defined(__DOXYGEN__)
UARTDriver UARTD4;
#endif
/** @brief UART5 UART driver identifier.*/
#if STM32_UART_USE_UART5 || defined(__DOXYGEN__)
UARTDriver UARTD5;
#endif
/** @brief USART6 UART driver identifier.*/
#if STM32_UART_USE_USART6 || defined(__DOXYGEN__)
@ -358,6 +391,44 @@ CH_IRQ_HANDLER(STM32_USART3_HANDLER) {
}
#endif /* STM32_UART_USE_USART3 */
#if STM32_UART_USE_UART4 || defined(__DOXYGEN__)
#if !defined(STM32_UART4_HANDLER)
#error "STM32_USART4_HANDLER not defined"
#endif
/**
* @brief UART4 IRQ handler.
*
* @isr
*/
CH_IRQ_HANDLER(STM32_UART4_HANDLER) {
CH_IRQ_PROLOGUE();
serve_usart_irq(&UARTD4);
CH_IRQ_EPILOGUE();
}
#endif /* STM32_UART_USE_UART4 */
#if STM32_UART_USE_UART5 || defined(__DOXYGEN__)
#if !defined(STM32_UART5_HANDLER)
#error "STM32_USART5_HANDLER not defined"
#endif
/**
* @brief UART5 IRQ handler.
*
* @isr
*/
CH_IRQ_HANDLER(STM32_UART5_HANDLER) {
CH_IRQ_PROLOGUE();
serve_usart_irq(&UARTD5);
CH_IRQ_EPILOGUE();
}
#endif /* STM32_UART_USE_UART5 */
#if STM32_UART_USE_USART6 || defined(__DOXYGEN__)
#if !defined(STM32_USART6_HANDLER)
#error "STM32_USART6_HANDLER not defined"
@ -412,6 +483,22 @@ void uart_lld_init(void) {
UARTD3.dmatx = STM32_DMA_STREAM(STM32_UART_USART3_TX_DMA_STREAM);
#endif
#if STM32_UART_USE_UART4
uartObjectInit(&UARTD4);
UARTD4.usart = UART4;
UARTD4.dmamode = STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
UARTD4.dmarx = STM32_DMA_STREAM(STM32_UART_UART4_RX_DMA_STREAM);
UARTD4.dmatx = STM32_DMA_STREAM(STM32_UART_UART4_TX_DMA_STREAM);
#endif
#if STM32_UART_USE_UART5
uartObjectInit(&UARTD5);
UARTD5.usart = UART5;
UARTD5.dmamode = STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
UARTD5.dmarx = STM32_DMA_STREAM(STM32_UART_UART5_RX_DMA_STREAM);
UARTD5.dmatx = STM32_DMA_STREAM(STM32_UART_UART5_TX_DMA_STREAM);
#endif
#if STM32_UART_USE_USART6
uartObjectInit(&UARTD6);
UARTD6.usart = USART6;
@ -420,6 +507,28 @@ void uart_lld_init(void) {
#endif
}
/**
* @brief Check CR2 and CR3 values for compatibility with UART4, UART5.
*
* @param[in] uartp pointer to the @p UARTDriver object
*
* @notapi
*/
#if (STM32_UART_USE_UART4 || STM32_UART_USE_UART5)
static void uart_check_config(const UARTDriver *uartp) {
uint16_t cr;
cr = uartp->config->cr2;
chDbgCheck((cr & STM32_UART45_CR2_CHECK_MASK) == 0,
"Some flags from CR2 unavailable for this UART");
cr = uartp->config->cr3;
chDbgCheck((cr & STM32_UART45_CR3_CHECK_MASK) == 0,
"Some flags from CR3 unavailable for this UART");
}
#endif /* (STM32_UART_USE_USART4 || STM32_UART_USE_USART5) */
/**
* @brief Configures and activates the UART peripheral.
*
@ -429,6 +538,14 @@ void uart_lld_init(void) {
*/
void uart_lld_start(UARTDriver *uartp) {
#if STM32_UART_USE_UART4
if (uartp == &UARTD4)
uart_check_config(uartp);
#elif STM32_UART_USE_UART5
else if (uartp == &UARTD5)
uart_check_config(uartp);
#endif
if (uartp->state == UART_STOP) {
#if STM32_UART_USE_USART1
if (&UARTD1 == uartp) {
@ -493,6 +610,48 @@ void uart_lld_start(UARTDriver *uartp) {
}
#endif
#if STM32_UART_USE_UART4
if (&UARTD4 == uartp) {
bool_t b;
b = dmaStreamAllocate(uartp->dmarx,
STM32_UART_UART4_IRQ_PRIORITY,
(stm32_dmaisr_t)uart_lld_serve_rx_end_irq,
(void *)uartp);
chDbgAssert(!b, "uart_lld_start(), #7", "stream already allocated");
b = dmaStreamAllocate(uartp->dmatx,
STM32_UART_UART4_IRQ_PRIORITY,
(stm32_dmaisr_t)uart_lld_serve_tx_end_irq,
(void *)uartp);
chDbgAssert(!b, "uart_lld_start(), #8", "stream already allocated");
rccEnableUART4(FALSE);
nvicEnableVector(STM32_UART4_NUMBER,
CORTEX_PRIORITY_MASK(STM32_UART_UART4_IRQ_PRIORITY));
uartp->dmamode |= STM32_DMA_CR_CHSEL(UART4_RX_DMA_CHANNEL) |
STM32_DMA_CR_PL(STM32_UART_UART4_DMA_PRIORITY);
}
#endif
#if STM32_UART_USE_UART5
if (&UARTD5 == uartp) {
bool_t b;
b = dmaStreamAllocate(uartp->dmarx,
STM32_UART_UART5_IRQ_PRIORITY,
(stm32_dmaisr_t)uart_lld_serve_rx_end_irq,
(void *)uartp);
chDbgAssert(!b, "uart_lld_start(), #9", "stream already allocated");
b = dmaStreamAllocate(uartp->dmatx,
STM32_UART_UART5_IRQ_PRIORITY,
(stm32_dmaisr_t)uart_lld_serve_tx_end_irq,
(void *)uartp);
chDbgAssert(!b, "uart_lld_start(), #10", "stream already allocated");
rccEnableUART5(FALSE);
nvicEnableVector(STM32_UART5_NUMBER,
CORTEX_PRIORITY_MASK(STM32_UART_UART5_IRQ_PRIORITY));
uartp->dmamode |= STM32_DMA_CR_CHSEL(UART5_RX_DMA_CHANNEL) |
STM32_DMA_CR_PL(STM32_UART_UART5_DMA_PRIORITY);
}
#endif
#if STM32_UART_USE_USART6
if (&UARTD6 == uartp) {
bool_t b;
@ -500,12 +659,12 @@ void uart_lld_start(UARTDriver *uartp) {
STM32_UART_USART6_IRQ_PRIORITY,
(stm32_dmaisr_t)uart_lld_serve_rx_end_irq,
(void *)uartp);
chDbgAssert(!b, "uart_lld_start(), #5", "stream already allocated");
chDbgAssert(!b, "uart_lld_start(), #11", "stream already allocated");
b = dmaStreamAllocate(uartp->dmatx,
STM32_UART_USART6_IRQ_PRIORITY,
(stm32_dmaisr_t)uart_lld_serve_tx_end_irq,
(void *)uartp);
chDbgAssert(!b, "uart_lld_start(), #6", "stream already allocated");
chDbgAssert(!b, "uart_lld_start(), #12", "stream already allocated");
rccEnableUSART6(FALSE);
nvicEnableVector(STM32_USART6_NUMBER,
CORTEX_PRIORITY_MASK(STM32_UART_USART6_IRQ_PRIORITY));
@ -566,6 +725,22 @@ void uart_lld_stop(UARTDriver *uartp) {
}
#endif
#if STM32_UART_USE_UART4
if (&UARTD4 == uartp) {
nvicDisableVector(STM32_UART4_NUMBER);
rccDisableUART4(FALSE);
return;
}
#endif
#if STM32_UART_USE_UART5
if (&UARTD5 == uartp) {
nvicDisableVector(STM32_UART5_NUMBER);
rccDisableUART5(FALSE);
return;
}
#endif
#if STM32_UART_USE_USART6
if (&UARTD6 == uartp) {
nvicDisableVector(STM32_USART6_NUMBER);

View File

@ -66,6 +66,24 @@
#define STM32_UART_USE_USART3 FALSE
#endif
/**
* @brief UART driver on UART4 enable switch.
* @details If set to @p TRUE the support for UART4 is included.
* @note The default is @p FALSE.
*/
#if !defined(STM32_UART_USE_UART4) || defined(__DOXYGEN__)
#define STM32_UART_USE_UART4 FALSE
#endif
/**
* @brief UART driver on UART5 enable switch.
* @details If set to @p TRUE the support for UART5 is included.
* @note The default is @p FALSE.
*/
#if !defined(STM32_UART_USE_UART4) || defined(__DOXYGEN__)
#define STM32_UART_USE_UART5 FALSE
#endif
/**
* @brief UART driver on USART6 enable switch.
* @details If set to @p TRUE the support for USART6 is included.
@ -96,6 +114,20 @@
#define STM32_UART_USART3_IRQ_PRIORITY 12
#endif
/**
* @brief UART4 interrupt priority level setting.
*/
#if !defined(STM32_UART_UART4_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_UART_UART4_IRQ_PRIORITY 12
#endif
/**
* @brief UART5 interrupt priority level setting.
*/
#if !defined(STM32_UART_UART5_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_UART_UART5_IRQ_PRIORITY 12
#endif
/**
* @brief USART6 interrupt priority level setting.
*/
@ -133,6 +165,26 @@
#define STM32_UART_USART3_DMA_PRIORITY 0
#endif
/**
* @brief UART4 DMA priority (0..3|lowest..highest).
* @note The priority level is used for both the TX and RX DMA channels but
* because of the channels ordering the RX channel has always priority
* over the TX channel.
*/
#if !defined(STM32_UART_UART4_DMA_PRIORITY) || defined(__DOXYGEN__)
#define STM32_UART_UART4_DMA_PRIORITY 0
#endif
/**
* @brief UART5 DMA priority (0..3|lowest..highest).
* @note The priority level is used for both the TX and RX DMA channels but
* because of the channels ordering the RX channel has always priority
* over the TX channel.
*/
#if !defined(STM32_UART_UART5_DMA_PRIORITY) || defined(__DOXYGEN__)
#define STM32_UART_UART5_DMA_PRIORITY 0
#endif
/**
* @brief USART6 DMA priority (0..3|lowest..highest).
* @note The priority level is used for both the TX and RX DMA channels but
@ -144,7 +196,7 @@
#endif
/**
* @brief USART1 DMA error hook.
* @brief USART DMA error hook.
* @note The default action for DMA errors is a system halt because DMA
* error can only happen because programming errors.
*/
@ -202,6 +254,38 @@
#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
#endif
/**
* @brief DMA stream used for UART4 RX operations.
* @note This option is only available on platforms with enhanced DMA.
*/
#if !defined(STM32_UART_UART4_RX_DMA_STREAM) || defined(__DOXYGEN__)
#define STM32_UART_UART4_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
#endif
/**
* @brief DMA stream used for UART4 TX operations.
* @note This option is only available on platforms with enhanced DMA.
*/
#if !defined(STM32_UART_UART4_TX_DMA_STREAM) || defined(__DOXYGEN__)
#define STM32_UART_UART4_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
#endif
/**
* @brief DMA stream used for UART5 RX operations.
* @note This option is only available on platforms with enhanced DMA.
*/
#if !defined(STM32_UART_UART5_RX_DMA_STREAM) || defined(__DOXYGEN__)
#define STM32_UART_UART5_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 0)
#endif
/**
* @brief DMA stream used for UART5 TX operations.
* @note This option is only available on platforms with enhanced DMA.
*/
#if !defined(STM32_UART_UART5_TX_DMA_STREAM) || defined(__DOXYGEN__)
#define STM32_UART_UART5_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
#endif
/**
* @brief DMA stream used for USART6 RX operations.
* @note This option is only available on platforms with enhanced DMA.
@ -228,6 +312,8 @@
#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
#define STM32_UART_UART4_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
#define STM32_UART_UART4_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 5)
#endif /* !STM32_ADVANCED_DMA*/
/** @} */
@ -248,12 +334,33 @@
#error "USART3 not present in the selected device"
#endif
#if STM32_UART_USE_UART4
#if !STM32_HAS_UART4
#error "UART4 not present in the selected device"
#endif
#if !defined(STM32F4XX) || !defined(STM32F4XX)
#error "UART4 DMA access not supported in this platform"
#endif
#endif
#if STM32_UART_USE_UART5
#if !STM32_HAS_UART5
#error "UART5 not present in the selected device"
#endif
#if !defined(STM32F4XX) || !defined(STM32F4XX)
#error "UART5 DMA access not supported in this platform"
#endif
#endif
#if STM32_UART_USE_USART6 && !STM32_HAS_USART6
#error "USART6 not present in the selected device"
#endif
#if !STM32_UART_USE_USART1 && !STM32_UART_USE_USART2 && \
!STM32_UART_USE_USART3 && !STM32_UART_USE_USART6
!STM32_UART_USE_USART3 && !STM32_UART_USE_UART4 && \
!STM32_UART_USE_UART5 && !STM32_UART_USE_USART6
#error "UART driver activated but no USART/UART peripheral assigned"
#endif
@ -272,6 +379,16 @@
#error "Invalid IRQ priority assigned to USART3"
#endif
#if STM32_UART_USE_UART4 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_UART_UART4_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to UART4"
#endif
#if STM32_UART_USE_UART5 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_UART_UART5_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to UART5"
#endif
#if STM32_UART_USE_USART6 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_UART_USART6_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to USART6"
@ -292,6 +409,16 @@
#error "Invalid DMA priority assigned to USART3"
#endif
#if STM32_UART_USE_UART4 && \
!STM32_DMA_IS_VALID_PRIORITY(STM32_UART_UART4_DMA_PRIORITY)
#error "Invalid DMA priority assigned to UART4"
#endif
#if STM32_UART_USE_UART5 && \
!STM32_DMA_IS_VALID_PRIORITY(STM32_UART_UART5_DMA_PRIORITY)
#error "Invalid DMA priority assigned to UART5"
#endif
#if STM32_UART_USE_USART6 && \
!STM32_DMA_IS_VALID_PRIORITY(STM32_UART_USART6_DMA_PRIORITY)
#error "Invalid DMA priority assigned to USART6"
@ -333,6 +460,30 @@
#error "invalid DMA stream associated to USART3 TX"
#endif
#if STM32_UART_USE_UART4 && \
!STM32_DMA_IS_VALID_ID(STM32_UART_UART4_RX_DMA_STREAM, \
STM32_UART4_RX_DMA_MSK)
#error "invalid DMA stream associated to UART4 RX"
#endif
#if STM32_UART_USE_UART4 && \
!STM32_DMA_IS_VALID_ID(STM32_UART_UART4_TX_DMA_STREAM, \
STM32_UART4_TX_DMA_MSK)
#error "invalid DMA stream associated to UART4 TX"
#endif
#if STM32_UART_USE_UART5 && \
!STM32_DMA_IS_VALID_ID(STM32_UART_UART5_RX_DMA_STREAM, \
STM32_UART5_RX_DMA_MSK)
#error "invalid DMA stream associated to UART5 RX"
#endif
#if STM32_UART_USE_UART5 && \
!STM32_DMA_IS_VALID_ID(STM32_UART_UART5_TX_DMA_STREAM, \
STM32_UART5_TX_DMA_MSK)
#error "invalid DMA stream associated to UART5 TX"
#endif
#if STM32_UART_USE_USART6 && \
!STM32_DMA_IS_VALID_ID(STM32_UART_USART6_RX_DMA_STREAM, \
STM32_USART6_RX_DMA_MSK)
@ -496,6 +647,14 @@ extern UARTDriver UARTD2;
extern UARTDriver UARTD3;
#endif
#if STM32_UART_USE_UART4 && !defined(__DOXYGEN__)
extern UARTDriver UARTD4;
#endif
#if STM32_UART_USE_UART5 && !defined(__DOXYGEN__)
extern UARTDriver UARTD5;
#endif
#if STM32_UART_USE_USART6 && !defined(__DOXYGEN__)
extern UARTDriver UARTD6;
#endif

View File

@ -89,6 +89,8 @@
*****************************************************************************
*** 2.7.0 ***
- NEW: Added support of UART4 and UART5 (STM32F4x and STM32F2x platforms).
Feature request #28.
- FIX: Fixed missing casts in time-conversion macros (bug #418)(backported
to 2.6.1, 2.4.4 and 2.2.10).
- FIX: Fixed STM32 Serial (v2) driver invalid CR registers size (bug #416)