diff options
Diffstat (limited to 'src/stm')
| -rw-r--r-- | src/stm/ao_arch_funcs.h | 2 | ||||
| -rw-r--r-- | src/stm/ao_led.c | 2 | ||||
| -rw-r--r-- | src/stm/ao_serial_stm.c | 65 | ||||
| -rw-r--r-- | src/stm/ao_spi_stm.c | 4 |
4 files changed, 62 insertions, 11 deletions
diff --git a/src/stm/ao_arch_funcs.h b/src/stm/ao_arch_funcs.h index 7ad3b4b8..42f1a2e5 100644 --- a/src/stm/ao_arch_funcs.h +++ b/src/stm/ao_arch_funcs.h @@ -74,7 +74,7 @@ void ao_spi_put(uint8_t spi_index); void -ao_spi_send(void *block, uint16_t len, uint8_t spi_index); +ao_spi_send(const void *block, uint16_t len, uint8_t spi_index); void ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index); diff --git a/src/stm/ao_led.c b/src/stm/ao_led.c index 0acab106..9b61cf62 100644 --- a/src/stm/ao_led.c +++ b/src/stm/ao_led.c @@ -86,7 +86,7 @@ ao_led_for(uint16_t colors, uint16_t ticks) __reentrant stm_moder_set(port, bit, STM_MODER_OUTPUT); \ stm_otyper_set(port, bit, STM_OTYPER_PUSH_PULL); \ } while (0) - + void ao_led_init(uint16_t enable) { diff --git a/src/stm/ao_serial_stm.c b/src/stm/ao_serial_stm.c index 2133c584..2568cf43 100644 --- a/src/stm/ao_serial_stm.c +++ b/src/stm/ao_serial_stm.c @@ -63,7 +63,7 @@ int _ao_usart_pollchar(struct ao_stm_usart *usart) { int c; - + if (ao_fifo_empty(usart->rx_fifo)) c = AO_READ_AGAIN; else { @@ -85,6 +85,12 @@ ao_usart_getchar(struct ao_stm_usart *usart) return (char) c; } +static inline uint8_t +_ao_usart_sleep(struct ao_stm_usart *usart) +{ + return ao_sleep(&usart->rx_fifo); +} + void ao_usart_putchar(struct ao_stm_usart *usart, char c) { @@ -179,6 +185,13 @@ ao_usart_init(struct ao_stm_usart *usart) ao_usart_set_speed(usart, AO_SERIAL_SPEED_9600); } +void +ao_usart_set_flow(struct ao_stm_usart *usart) +{ + usart->reg->cr3 |= ((1 << STM_USART_CR3_CTSE) | + (1 << STM_USART_CR3_RTSE)); +} + #if HAS_SERIAL_1 struct ao_stm_usart ao_stm_usart1; @@ -203,6 +216,18 @@ _ao_serial1_pollchar(void) return _ao_usart_pollchar(&ao_stm_usart1); } +uint8_t +_ao_serial1_sleep(void) +{ + return _ao_usart_sleep(&ao_stm_usart1); +} + +void +ao_serial1_drain(void) +{ + ao_usart_drain(&ao_stm_usart1); +} + void ao_serial1_set_speed(uint8_t speed) { @@ -234,6 +259,18 @@ _ao_serial2_pollchar(void) return _ao_usart_pollchar(&ao_stm_usart2); } +uint8_t +_ao_serial2_sleep(void) +{ + return _ao_usart_sleep(&ao_stm_usart2); +} + +void +ao_serial2_drain(void) +{ + ao_usart_drain(&ao_stm_usart2); +} + void ao_serial2_set_speed(uint8_t speed) { @@ -265,6 +302,12 @@ _ao_serial3_pollchar(void) return _ao_usart_pollchar(&ao_stm_usart3); } +uint8_t +_ao_serial3_sleep(void) +{ + return _ao_usart_sleep(&ao_stm_usart3); +} + void ao_serial3_set_speed(uint8_t speed) { @@ -305,7 +348,7 @@ ao_serial_init(void) stm_nvic_set_enable(STM_ISR_USART1_POS); stm_nvic_set_priority(STM_ISR_USART1_POS, 4); -#if USE_SERIAL_1_STDIN +#if USE_SERIAL_1_STDIN && !DELAY_SERIAL_1_STDIN ao_add_stdio(_ao_serial1_pollchar, ao_serial1_putchar, NULL); @@ -324,25 +367,35 @@ ao_serial_init(void) stm_afr_set(&stm_gpioa, 2, STM_AFR_AF7); stm_afr_set(&stm_gpioa, 3, STM_AFR_AF7); +#if USE_SERIAL_2_FLOW + stm_afr_set(&stm_gpioa, 0, STM_AFR_AF7); + stm_afr_set(&stm_gpioa, 1, STM_AFR_AF7); +#endif #else #if SERIAL_2_PD5_PD6 stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIODEN); stm_afr_set(&stm_gpiod, 5, STM_AFR_AF7); stm_afr_set(&stm_gpiod, 6, STM_AFR_AF7); +#if USE_SERIAL_2_FLOW +#error "Don't know how to set flowcontrol for serial 2 on PD" +#endif #else #error "No SERIAL_2 port configuration specified" -#endif +#endif #endif /* Enable USART */ stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_USART2EN); ao_stm_usart2.reg = &stm_usart2; ao_usart_init(&ao_stm_usart2); +#if USE_SERIAL_2_FLOW + ao_usart_set_flow(&ao_stm_usart2); +#endif stm_nvic_set_enable(STM_ISR_USART2_POS); stm_nvic_set_priority(STM_ISR_USART2_POS, 4); -#if USE_SERIAL_2_STDIN +#if USE_SERIAL_2_STDIN && !DELAY_SERIAL_2_STDIN ao_add_stdio(_ao_serial2_pollchar, ao_serial2_putchar, NULL); @@ -386,12 +439,10 @@ ao_serial_init(void) stm_nvic_set_enable(STM_ISR_USART3_POS); stm_nvic_set_priority(STM_ISR_USART3_POS, 4); -#if USE_SERIAL_3_STDIN +#if USE_SERIAL_3_STDIN && !DELAY_SERIAL_3_STDIN ao_add_stdio(_ao_serial3_pollchar, ao_serial3_putchar, NULL); #endif #endif } - - diff --git a/src/stm/ao_spi_stm.c b/src/stm/ao_spi_stm.c index 885af544..7eaa3924 100644 --- a/src/stm/ao_spi_stm.c +++ b/src/stm/ao_spi_stm.c @@ -42,7 +42,7 @@ static const struct ao_spi_stm_info ao_spi_stm_info[STM_NUM_SPI] = { static uint8_t spi_dev_null; void -ao_spi_send(void *block, uint16_t len, uint8_t spi_index) +ao_spi_send(const void *block, uint16_t len, uint8_t spi_index) { struct stm_spi *stm_spi = ao_spi_stm_info[AO_SPI_INDEX(spi_index)].stm_spi; uint8_t mosi_dma_index = ao_spi_stm_info[AO_SPI_INDEX(spi_index)].mosi_dma_index; @@ -51,7 +51,7 @@ ao_spi_send(void *block, uint16_t len, uint8_t spi_index) /* Set up the transmit DMA to deliver data */ ao_dma_set_transfer(mosi_dma_index, &stm_spi->dr, - block, + (void *) block, len, (0 << STM_DMA_CCR_MEM2MEM) | (STM_DMA_CCR_PL_MEDIUM << STM_DMA_CCR_PL) | |