diff options
Diffstat (limited to 'src/stm32/fdcan.c')
| -rwxr-xr-x | src/stm32/fdcan.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/src/stm32/fdcan.c b/src/stm32/fdcan.c index 6a1dfe93..afd59b5d 100755 --- a/src/stm32/fdcan.c +++ b/src/stm32/fdcan.c @@ -61,24 +61,31 @@ FDCAN_RAM_TypeDef *fdcan_ram = (FDCAN_RAM_TypeDef *)(SRAMCAN_BASE); #define FDCAN_IE_TC (FDCAN_IE_TCE | FDCAN_IE_TCFE | FDCAN_IE_TFEE) -#if CONFIG_STM32_CANBUS_PB0_PB1 +#if CONFIG_STM32_CANBUS_PA11_PA12 + DECL_CONSTANT_STR("RESERVE_PINS_CAN", "PA11,PA12"); + #define GPIO_Rx GPIO('A', 11) + #define GPIO_Tx GPIO('A', 12) +#elif CONFIG_STM32_CANBUS_PB8_PB9 + DECL_CONSTANT_STR("RESERVE_PINS_CAN", "PB8,PB9"); + #define GPIO_Rx GPIO('B', 8) + #define GPIO_Tx GPIO('B', 9) +#elif CONFIG_STM32_CANBUS_PB0_PB1 DECL_CONSTANT_STR("RESERVE_PINS_CAN", "PB0,PB1"); #define GPIO_Rx GPIO('B', 0) #define GPIO_Tx GPIO('B', 1) #endif -#if CONFIG_MACH_STM32G0 - #if CONFIG_STM32_CANBUS_PB0_PB1 - #define SOC_CAN FDCAN2 - #define MSG_RAM fdcan_ram->fdcan2 - #else - #error Uknown pins for STMF32G0 CAN - #endif - - #define CAN_IT0_IRQn TIM16_FDCAN_IT0_IRQn - #define CAN_FUNCTION GPIO_FUNCTION(3) // Alternative function mapping number +#if !CONFIG_STM32_CANBUS_PB0_PB1 + #define SOC_CAN FDCAN1 + #define MSG_RAM fdcan_ram->fdcan1 +#else + #define SOC_CAN FDCAN2 + #define MSG_RAM fdcan_ram->fdcan2 #endif +#define CAN_IT0_IRQn TIM16_FDCAN_IT0_IRQn +#define CAN_FUNCTION GPIO_FUNCTION(3) // Alternative function mapping number + #ifndef SOC_CAN #error No known CAN device for configured MCU #endif @@ -240,9 +247,6 @@ can_init(void) /* Enable configuration change */ SOC_CAN->CCCR |= FDCAN_CCCR_CCE; - if (SOC_CAN == FDCAN1) - FDCAN_CONFIG->CKDIV = 0; - /* Disable protocol exception handling */ SOC_CAN->CCCR |= FDCAN_CCCR_PXHD; |