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/**************************************************************************//**
*
* @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-12-12 Wayne First version
*
******************************************************************************/
#include <rtconfig.h>
#include <rtdevice.h>
#if defined(RT_USING_PIN)
#include <drv_gpio.h>
/* defined the LED_G1 pin: PC3 */
#define LED_G1 NU_GET_PININDEX(NU_PC, 3)
/* defined the LED_G2 pin: PC11 */
#define LED_G2 NU_GET_PININDEX(NU_PC, 11)
/* defined the BUTTON pin: PC15 */
#define BUTTON NU_GET_PININDEX(NU_PC, 15)
static uint32_t u32Button = BUTTON;
void nu_button_cb(void *args)
{
static int u32ToggleFlag = 0;
uint32_t u32Key = *((uint32_t *)(args));
switch (u32Key)
{
case BUTTON:
u32ToggleFlag = ~u32ToggleFlag;
rt_pin_write(LED_G1, u32ToggleFlag);
break;
}
}
#endif
int main(int argc, char **argv)
{
#if defined(RT_USING_PIN)
int counter = 1000;
/* set LED_G1 pin mode to output */
rt_pin_mode(LED_G1, PIN_MODE_OUTPUT);
/* set LED_G2 pin mode to output */
rt_pin_mode(LED_G2, PIN_MODE_OUTPUT);
/* set BUTTON pin mode to input */
rt_pin_mode(BUTTON, PIN_MODE_INPUT_PULLUP);
rt_pin_attach_irq(BUTTON, PIN_IRQ_MODE_FALLING, nu_button_cb, &u32Button);
rt_pin_irq_enable(BUTTON, PIN_IRQ_ENABLE);
while (counter--)
{
rt_pin_write(LED_G2, PIN_HIGH);
rt_thread_mdelay(200);
rt_pin_write(LED_G2, PIN_LOW);
rt_thread_mdelay(200);
}
#endif
return 0;
}
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