int main(void)
{
system_init();
configure_usart();
configure_usart_callbacks();
struct port_config pin_conf;
port_get_config_defaults(&pin_conf);
/* Configure LEDs as outputs, turn them off */
pin_conf.direction = PORT_PIN_DIR_OUTPUT;
port_pin_set_config(LED_1_PIN, &pin_conf);
port_pin_set_output_level(LED_1_PIN, LED_1_INACTIVE);
/* Set buttons as inputs */
pin_conf.direction = PORT_PIN_DIR_INPUT;
pin_conf.input_pull = PORT_PIN_PULL_UP;
port_pin_set_config(BUTTON_1_PIN, &pin_conf);
#if USE_EIC == true
configure_extint();
#endif
#if USE_INTERRUPTS == true
# if USE_EIC == false
configure_systick_handler();
# else
configure_eic_callback();
# endif
system_interrupt_enable_global();
uint16_t temp;
while (true) {
/* Do nothing - use interrupts */
//if (usart_read_wait(&usart_instance, &temp) == STATUS_OK)
//{
//while (usart_write_wait(&usart_instance, temp) != STATUS_OK);
//}
usart_read_buffer_job(&usart_instance, (uint8_t *)rx_buffer, 1);
//sleepmgr_sleep(SLEEPMGR_STANDBY);
}
#else
# if USE_EIC == false
while (true) {
update_led_state();
}
# else
while (true) {
if (extint_chan_is_detected(BUTTON_1_EIC_LINE)) {
extint_chan_clear_detected(BUTTON_1_EIC_LINE);
update_led_state();
}
}
# endif
#endif
}
int main(void)
{
system_init();
#if USE_EIC == true
configure_extint();
#endif
#if USE_INTERRUPTS == true
# if USE_EIC == false
configure_systick_handler();
# else
configure_eic_callback();
# endif
system_interrupt_enable_global();
while (true) {
/* Do nothing - use interrupts */
}
#else
# if USE_EIC == false
while (true) {
update_led_state();
}
# else
while (true) {
if (extint_chan_is_detected(BUTTON_0_EIC_LINE)) {
extint_chan_clear_detected(BUTTON_0_EIC_LINE);
update_led_state();
}
}
# endif
#endif
}
/** Callback function for the EXTINT driver, called when an external interrupt
* detection occurs.
*
* \param[in] channel External Interrupt channel that has changed state
*/
static void extint_callback(uint32_t channel)
{
update_led_state();
}
/** Handler for the device SysTick module, called when the SysTick counter
* reaches the set period.
*
* \note As this is a raw device interrupt, the function name is significant
* and must not be altered to ensure it is hooked into the device's
* vector table.
*/
void SysTick_Handler(void)
{
update_led_state();
}
/** Callback function for the EXTINT driver, called when an external interrupt
* detection occurs.
*/
static void extint_callback(void)
{
update_led_state();
}
