diff options
Diffstat (limited to 'controller/fw/src/con_usart.c')
| -rw-r--r-- | controller/fw/src/con_usart.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/controller/fw/src/con_usart.c b/controller/fw/src/con_usart.c deleted file mode 100644 index f80fa79..0000000 --- a/controller/fw/src/con_usart.c +++ /dev/null @@ -1,33 +0,0 @@ - -#include <stm32f4_isr.h> -#include "con_usart.h" - -volatile struct usart_desc con_usart = { - .le_usart = USART1, - .le_usart_irqn = USART1_IRQn, - .tx_dmas = DMA2_Stream7, - .tx_dma_sn = 7, - .tx_dma_ch = 4, - .tx_dma = DMA2, - .tx_dma_irqn = DMA2_Stream7_IRQn, -}; - -void con_usart_init() { - RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN | RCC_AHB1ENR_DMA2EN; - RCC->APB2ENR |= RCC_APB2ENR_USART1EN; - - /* GPIO config: A9 (TX), A10 (RX) */ - GPIOA->MODER &= ~GPIO_MODER_MODER9_Msk & ~GPIO_MODER_MODER10_Msk; - GPIOA->MODER |= (2<<GPIO_MODER_MODER9_Pos) | (2<<GPIO_MODER_MODER10_Pos); - GPIOA->OSPEEDR &= ~GPIO_OSPEEDR_OSPEED9_Msk & ~GPIO_OSPEEDR_OSPEED10_Msk; - GPIOA->OSPEEDR |= (2<<GPIO_OSPEEDR_OSPEED9_Pos) | (2<<GPIO_OSPEEDR_OSPEED10_Pos); - GPIOA->AFR[1] &= ~GPIO_AFRH_AFSEL9_Msk & ~GPIO_AFRH_AFSEL10_Msk; - GPIOA->AFR[1] |= (7<<GPIO_AFRH_AFSEL9_Pos) | (7<<GPIO_AFRH_AFSEL10_Pos); - - usart_dma_init(&con_usart, CON_USART_BAUDRATE); -} - -void DMA2_Stream7_IRQHandler(void) { - usart_dma_stream_irq(&con_usart); -} - |