int
hal_gpio_toggle(int pin)
{
GPIO_TogglePinsOutput(s_gpioBases[GPIO_PORT(pin)], 1 << GPIO_INDEX(pin));
return 0;
}
/*!
* @brief Interrupt service fuction of switch.
*
* This function toggles the LED
*/
void BOARD_SW_IRQ_HANDLER(void)
{
/* Clear external interrupt flag. */
GPIO_ClearPinsInterruptFlags(BOARD_SW_GPIO, 1U << BOARD_SW_GPIO_PIN);
/* Change state of button. */
g_ButtonPress = true;
/* Toggle LED. */
GPIO_TogglePinsOutput(BOARD_LED_GPIO, 1U << BOARD_LED_GPIO_PIN);
}
void vTimerCallback(TimerHandle_t xTimer) {
if (xSemaphoreTake(semLED, 0 /*portMAX_DELAY*/)==pdPASS) { /* block on semaphore */
led++;
if (led==3) { /* wrap */
led = 0;
}
/* clear all LEDs */
GPIO_SetPinsOutput(GPIOA, 1<<1u);
GPIO_SetPinsOutput(GPIOA, 1<<2u);
GPIO_SetPinsOutput(GPIOD, 1<<5u);
}
if (led==0) { /* red */
GPIO_TogglePinsOutput(GPIOA, 1<<1u); /* toggle RED LED */
} else if (led==1) { /* green */
GPIO_TogglePinsOutput(GPIOA, 1<<2u); /* toggle GREEN LED */
} else if (led==2) { /* blue */
GPIO_TogglePinsOutput(GPIOD, 1<<5u); /* toggle BLUE LED */
}
}
int main(void) {
BOARD_InitPins();
BOARD_BootClockRUN();
BOARD_InitDebugConsole();
GPIO_PinInit(BOARD_LED_RED_GPIO, BOARD_LED_RED_GPIO_PIN, \
&(gpio_pin_config_t){kGPIO_DigitalOutput, 0u});
GPIO_PinInit(BOARD_LED_GREEN_GPIO, BOARD_LED_GREEN_GPIO_PIN, \
&(gpio_pin_config_t){kGPIO_DigitalOutput, 0u});
GPIO_PinInit(BOARD_LED_BLUE_GPIO, BOARD_LED_BLUE_GPIO_PIN, \
&(gpio_pin_config_t){kGPIO_DigitalOutput, 0u});
GPIO_SetPinsOutput(BOARD_LED_RED_GPIO, 1u << BOARD_LED_RED_GPIO_PIN);
GPIO_SetPinsOutput(BOARD_LED_GREEN_GPIO, 1u << BOARD_LED_GREEN_GPIO_PIN);
GPIO_SetPinsOutput(BOARD_LED_BLUE_GPIO, 1u << BOARD_LED_BLUE_GPIO_PIN);
for(;;) {
GPIO_TogglePinsOutput(BOARD_LED_BLUE_GPIO, 1u << BOARD_LED_BLUE_GPIO_PIN);
delay();
}
}