/**************************************************************************//** * * @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