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-rw-r--r--os/hal/platforms/STM32/USARTv1/uart_lld.c70
-rw-r--r--os/hal/platforms/STM32/USARTv1/uart_lld.h26
2 files changed, 41 insertions, 55 deletions
diff --git a/os/hal/platforms/STM32/USARTv1/uart_lld.c b/os/hal/platforms/STM32/USARTv1/uart_lld.c
index cad1cf084..c783ea90c 100644
--- a/os/hal/platforms/STM32/USARTv1/uart_lld.c
+++ b/os/hal/platforms/STM32/USARTv1/uart_lld.c
@@ -79,13 +79,13 @@
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_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
+#define STM32_UART45_CR3_CHECK_MASK \
+ (USART_CR3_CTSIE | USART_CR3_CTSE | USART_CR3_RTSE | USART_CR3_SCEN | \
+ USART_CR3_NACK)
/*===========================================================================*/
/* Driver exported variables. */
@@ -508,28 +508,6 @@ void uart_lld_init(void) {
}
/**
- * @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_UART4 || STM32_UART_USE_UART5) */
-
-/**
* @brief Configures and activates the UART peripheral.
*
* @param[in] uartp pointer to the @p UARTDriver object
@@ -538,14 +516,6 @@ static void uart_check_config(const UARTDriver *uartp) {
*/
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) {
@@ -613,16 +583,24 @@ void uart_lld_start(UARTDriver *uartp) {
#if STM32_UART_USE_UART4
if (&UARTD4 == uartp) {
bool_t b;
+
+ chDbgAssert((uartp->config->cr2 & STM32_UART45_CR2_CHECK_MASK) == 0,
+ "uart_lld_start(), #7",
+ "specified invalid bits in UART4 CR2 register settings");
+ chDbgAssert((uartp->config->cr3 & STM32_UART45_CR3_CHECK_MASK) == 0,
+ "uart_lld_start(), #8",
+ "specified invalid bits in UART4 CR3 register settings");
+
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");
+ chDbgAssert(!b, "uart_lld_start(), #9", "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");
+ chDbgAssert(!b, "uart_lld_start(), #10", "stream already allocated");
rccEnableUART4(FALSE);
nvicEnableVector(STM32_UART4_NUMBER,
CORTEX_PRIORITY_MASK(STM32_UART_UART4_IRQ_PRIORITY));
@@ -634,16 +612,24 @@ void uart_lld_start(UARTDriver *uartp) {
#if STM32_UART_USE_UART5
if (&UARTD5 == uartp) {
bool_t b;
+
+ chDbgAssert((uartp->config->cr2 & STM32_UART45_CR2_CHECK_MASK) == 0,
+ "uart_lld_start(), #11",
+ "specified invalid bits in UART5 CR2 register settings");
+ chDbgAssert((uartp->config->cr3 & STM32_UART45_CR3_CHECK_MASK) == 0,
+ "uart_lld_start(), #12",
+ "specified invalid bits in UART5 CR3 register settings");
+
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");
+ chDbgAssert(!b, "uart_lld_start(), #13", "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");
+ chDbgAssert(!b, "uart_lld_start(), #14", "stream already allocated");
rccEnableUART5(FALSE);
nvicEnableVector(STM32_UART5_NUMBER,
CORTEX_PRIORITY_MASK(STM32_UART_UART5_IRQ_PRIORITY));
@@ -659,12 +645,12 @@ 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(), #11", "stream already allocated");
+ chDbgAssert(!b, "uart_lld_start(), #15", "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(), #12", "stream already allocated");
+ chDbgAssert(!b, "uart_lld_start(), #16", "stream already allocated");
rccEnableUSART6(FALSE);
nvicEnableVector(STM32_USART6_NUMBER,
CORTEX_PRIORITY_MASK(STM32_UART_USART6_IRQ_PRIORITY));
diff --git a/os/hal/platforms/STM32/USARTv1/uart_lld.h b/os/hal/platforms/STM32/USARTv1/uart_lld.h
index 021e0bc37..d9531ad7a 100644
--- a/os/hal/platforms/STM32/USARTv1/uart_lld.h
+++ b/os/hal/platforms/STM32/USARTv1/uart_lld.h
@@ -80,7 +80,7 @@
* @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__)
+#if !defined(STM32_UART_USE_UART5) || defined(__DOXYGEN__)
#define STM32_UART_USE_UART5 FALSE
#endif
@@ -335,24 +335,24 @@
#endif
#if STM32_UART_USE_UART4
- #if !STM32_HAS_UART4
- #error "UART4 not present in the selected device"
- #endif
+#if !STM32_HAS_UART4
+#error "UART4 not present in the selected device"
+#endif
- #if !defined(STM32F2XX) && !defined(STM32F4XX)
- #error "UART4 DMA access not supported in this platform"
- #endif
+#if !defined(STM32F2XX) && !defined(STM32F4XX)
+#error "UART4 DMA access not supported in this platform"
#endif
+#endif /* STM32_UART_USE_UART4 */
#if STM32_UART_USE_UART5
- #if !STM32_HAS_UART5
- #error "UART5 not present in the selected device"
- #endif
+#if !STM32_HAS_UART5
+#error "UART5 not present in the selected device"
+#endif
- #if !defined(STM32F2XX) && !defined(STM32F4XX)
- #error "UART5 DMA access not supported in this platform"
- #endif
+#if !defined(STM32F2XX) && !defined(STM32F4XX)
+#error "UART5 DMA access not supported in this platform"
#endif
+#endif /* STM32_UART_USE_UART5 */
#if STM32_UART_USE_USART6 && !STM32_HAS_USART6
#error "USART6 not present in the selected device"
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 05:44:20 +0000