#include <stm32f302xc.h> #include <stm32f3xx_hal.h> #include <stm32f3xx_hal_conf.h> HAL_StatusTypeDef ftcan_init(CAN_HandleTypeDef *hcan); HAL_StatusTypeDef ftcan_transmit(CAN_HandleTypeDef *hcan, uint16_t id, const uint8_t *data, size_t datalen);