/*!
\brief main function
\param[in] none
\param[out] none
\retval none
*/
int main(void)
{
can_parameter_struct can_init_parameter;
can_filter_parameter_struct can_filter_parameter;
receive_flag = RESET;
/* configure Tamper key */
gd_eval_keyinit(KEY_TAMPER, KEY_MODE_GPIO);
/* configure GPIO */
gpio_config();
/* configure USART */
gd_eval_COMinit(EVAL_COM2);
/* configure NVIC */
nvic_config();
/* configure leds */
led_config();
/* set all leds off */
gd_eval_ledoff(LED1);
gd_eval_ledoff(LED2);
gd_eval_ledoff(LED3);
gd_eval_ledoff(LED4);
/* initialize CAN */
can_networking_init(can_init_parameter, can_filter_parameter);
/* enable phy */
#ifdef CAN0_USED
can_phy_enable(CANX);
#endif
/* enable CAN receive FIFO0 not empty interrupt */
can_interrupt_enable(CANX, CAN_INTEN_RFNEIE0);
/* initialize transmit message */
transmit_message.can_tx_sfid = 0x321;
transmit_message.can_tx_efid = 0x01;
transmit_message.can_tx_ft = CAN_FT_DATA;
transmit_message.can_tx_ff = CAN_FF_STANDARD;
transmit_message.can_tx_dlen = 1;
printf("please press the Tamper key to transmit data!\r\n");
while(1){
/* waiting for the Tamper key pressed */
while(0 == gd_eval_keygetstate(KEY_TAMPER)){
/* if transmit_number is 0x10, set it to 0x00 */
if(transmit_number == 0x10){
transmit_number = 0x00;
}else{
transmit_message.can_tx_data[0] = transmit_number++;
printf("transmit data: %x\r\n", transmit_message.can_tx_data[0]);
/* transmit message */
can_transmit_message(CANX, &transmit_message);
delay();
/* waiting for Tamper key up */
while(0 == gd_eval_keygetstate(KEY_TAMPER));
}
}
if(SET == receive_flag){
gd_eval_ledtoggle(LED1);
receive_flag = RESET;
printf("recive data: %x\r\n", receive_message.can_rx_data[0]);
}
}
}
/** Config the interrupt .
*
* @param can_periph CAN0 or CAN1.
* @param interrupt The interrupt type.
* @param enable enable or disable.
*/
static void dev_can_interrupt_config(uint32_t can_periph, uint32_t interrupt, uint32_t enable)
{
if (enable) {
can_interrupt_enable(can_periph, interrupt);
} else {
can_interrupt_disable(can_periph, interrupt);
}
}