Handling of CAN hardware for STM32.
void ppz_can_init(can_rx_callback_t callback)
void(* can_rx_callback_t)(uint32_t id, uint8_t *buf, uint8_t len)
int ppz_can_transmit(uint32_t id, const uint8_t *buf, uint8_t len)
int can_hw_transmit(uint32_t id, const uint8_t *buf, uint8_t len)
void _can_run_rx_callback(uint32_t id, uint8_t *buf, uint8_t len)
can_rx_callback_t can_rx_callback