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- /**************************************************************************//**
- *
- * @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2021-6-1 Wayne First version
- *
- ******************************************************************************/
- #include <rtthread.h>
- #include <rtdevice.h>
- #include "drv_common.h"
- #if defined(RT_USING_PIN)
- #include "drv_gpio.h"
- /* defined the LED_0 pin: PN6 */
- #define LED_0 NU_GET_PININDEX(NU_PN, 6)
- /* defined the LED_1 pin: PN7 */
- #define LED_1 NU_GET_PININDEX(NU_PN, 7)
- /* defined the LED_2 pin: PN10 */
- #define LED_2 NU_GET_PININDEX(NU_PN, 10)
- /* defined the KEY_0 pin: PN2 */
- #define KEY_0 NU_GET_PININDEX(NU_PN, 2)
- /* defined the KEY_1 pin: PN3 */
- #define KEY_1 NU_GET_PININDEX(NU_PN, 3)
- /* defined the KEY_2 pin: PN12 */
- #define KEY_2 NU_GET_PININDEX(NU_PN, 12)
- /* defined the KEY_3 pin: PN13 */
- #define KEY_3 NU_GET_PININDEX(NU_PN, 13)
- void nu_button_cb(void *args)
- {
- uint32_t u32Key = (uint32_t)args;
- switch (u32Key)
- {
- case KEY_0:
- rt_kprintf("KEY_0 pressed\n");
- rt_pin_write(LED_1, PIN_HIGH);
- break;
- case KEY_1:
- rt_kprintf("KEY_1 pressed\n");
- rt_pin_write(LED_1, PIN_LOW);
- break;
- case KEY_2:
- rt_kprintf("KEY_2 pressed\n");
- rt_pin_write(LED_2, PIN_HIGH);
- break;
- case KEY_3:
- rt_kprintf("KEY_3 pressed\n");
- rt_pin_write(LED_2, PIN_LOW);
- break;
- }
- }
- static void nu_button_init(void)
- {
- /* set KEY_0 pin mode to input, pull-up, falling edge and enable interrupt. */
- rt_pin_mode(KEY_0, PIN_MODE_INPUT_PULLUP);
- rt_pin_attach_irq(KEY_0, PIN_IRQ_MODE_FALLING, nu_button_cb, (void *)KEY_0);
- rt_pin_irq_enable(KEY_0, PIN_IRQ_ENABLE);
- /* set KEY_1 pin mode to input, pull-up, falling edge and enable interrupt. */
- rt_pin_mode(KEY_1, PIN_MODE_INPUT_PULLUP);
- rt_pin_attach_irq(KEY_1, PIN_IRQ_MODE_FALLING, nu_button_cb, (void *)KEY_1);
- rt_pin_irq_enable(KEY_1, PIN_IRQ_ENABLE);
- /* set KEY_2 pin mode to input, pull-up, falling edge and enable interrupt. */
- rt_pin_mode(KEY_2, PIN_MODE_INPUT_PULLUP);
- rt_pin_attach_irq(KEY_2, PIN_IRQ_MODE_FALLING, nu_button_cb, (void *)KEY_2);
- rt_pin_irq_enable(KEY_2, PIN_IRQ_ENABLE);
- /* set KEY_3 pin mode to input, pull-up, falling edge and enable interrupt. */
- rt_pin_mode(KEY_3, PIN_MODE_INPUT_PULLUP);
- rt_pin_attach_irq(KEY_3, PIN_IRQ_MODE_FALLING, nu_button_cb, (void *)KEY_3);
- rt_pin_irq_enable(KEY_3, PIN_IRQ_ENABLE);
- }
- int main(int argc, char **argv)
- {
- int counter = 100000;
- /* set on-board buttons */
- nu_button_init();
- /* set LED_0, LED_1 and LED_2 pin mode to output */
- rt_pin_mode(LED_0, PIN_MODE_OUTPUT);
- rt_pin_mode(LED_1, PIN_MODE_OUTPUT);
- rt_pin_mode(LED_2, PIN_MODE_OUTPUT);
- while (counter--)
- {
- rt_pin_write(LED_0, PIN_HIGH);
- rt_thread_mdelay(100);
- rt_pin_write(LED_0, PIN_LOW);
- rt_thread_mdelay(100);
- }
- return 0;
- }
- #else
- int main(int argc, char **argv)
- {
- rt_kprintf("cpu-%d %d\r\n", rt_hw_cpu_id(), nu_cpu_dcache_line_size());
- return 0;
- }
- #endif
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