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