diff options
Diffstat (limited to 'ports/stm32/uart.c')
| -rw-r--r-- | ports/stm32/uart.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/ports/stm32/uart.c b/ports/stm32/uart.c index cea49f4ba..6d1240cf8 100644 --- a/ports/stm32/uart.c +++ b/ports/stm32/uart.c @@ -38,7 +38,7 @@ #include "irq.h" #include "pendsv.h" -#if defined(STM32F4) +#if defined(STM32F4) || defined(STM32L1) #define UART_RXNE_IS_SET(uart) ((uart)->SR & USART_SR_RXNE) #else #if defined(STM32G0) || defined(STM32H7) || defined(STM32WL) @@ -101,6 +101,11 @@ #define USART_CR2_IE_ALL (USART_CR2_IE_BASE) #define USART_CR3_IE_ALL (USART_CR3_IE_BASE | USART_CR3_WUFIE) +#elif defined(STM32L1) +#define USART_CR1_IE_ALL (USART_CR1_IE_BASE) +#define USART_CR2_IE_ALL (USART_CR2_IE_BASE) +#define USART_CR3_IE_ALL (USART_CR3_IE_BASE) + #elif defined(STM32L4) || defined(STM32WB) || defined(STM32WL) #define USART_CR1_IE_ALL (USART_CR1_IE_BASE | USART_CR1_EOBIE | USART_CR1_RTOIE | USART_CR1_CMIE) #define USART_CR2_IE_ALL (USART_CR2_IE_BASE) @@ -580,7 +585,7 @@ bool uart_init(pyb_uart_obj_t *uart_obj, huart.FifoMode = UART_FIFOMODE_ENABLE; #endif - #if !defined(STM32F4) + #if !defined(STM32F4) && !defined(STM32L1) huart.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; #endif @@ -1016,7 +1021,7 @@ STATIC bool uart_wait_flag_set(pyb_uart_obj_t *self, uint32_t flag, uint32_t tim // an interrupt and the flag can be set quickly if the baudrate is large. uint32_t start = HAL_GetTick(); for (;;) { - #if defined(STM32F4) + #if defined(STM32F4) || defined(STM32L1) if (self->uartx->SR & flag) { return true; } @@ -1071,7 +1076,7 @@ size_t uart_tx_data(pyb_uart_obj_t *self, const void *src_in, size_t num_chars, } else { data = *src++; } - #if defined(STM32F4) + #if defined(STM32F4) || defined(STM32L1) uart->DR = data; #else uart->TDR = data; @@ -1109,7 +1114,7 @@ void uart_irq_handler(mp_uint_t uart_id) { } // Capture IRQ status flags. - #if defined(STM32F4) + #if defined(STM32F4) || defined(STM32L1) self->mp_irq_flags = self->uartx->SR; bool rxne_is_set = self->mp_irq_flags & USART_SR_RXNE; bool did_clear_sr = false; @@ -1153,7 +1158,7 @@ void uart_irq_handler(mp_uint_t uart_id) { } // Clear other interrupt flags that can trigger this IRQ handler. - #if defined(STM32F4) + #if defined(STM32F4) || defined(STM32L1) if (did_clear_sr) { // SR was cleared above. Re-enable IDLE if it should be enabled. if (self->mp_irq_trigger & UART_FLAG_IDLE) { |