/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2023-01-31 shelton first version */ #include #include #include "drv_common.h" #include "drv_gpio.h" /* defined the led2 pin: pc2 */ #define LED2_PIN GET_PIN(C, 2) /* defined the led3 pin: pc3 */ #define LED3_PIN GET_PIN(C, 3) /* defined the led4 pin: pc5 */ #define LED4_PIN GET_PIN(C, 5) int main(void) { rt_uint32_t speed = 200; /* set led2 pin mode to output */ rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT); /* set led3 pin mode to output */ rt_pin_mode(LED3_PIN, PIN_MODE_OUTPUT); /* set led4 pin mode to output */ rt_pin_mode(LED4_PIN, PIN_MODE_OUTPUT); while (1) { rt_pin_write(LED2_PIN, PIN_LOW); rt_thread_mdelay(speed); rt_pin_write(LED3_PIN, PIN_LOW); rt_thread_mdelay(speed); rt_pin_write(LED4_PIN, PIN_LOW); rt_thread_mdelay(speed); rt_pin_write(LED2_PIN, PIN_HIGH); rt_thread_mdelay(speed); rt_pin_write(LED3_PIN, PIN_HIGH); rt_thread_mdelay(speed); rt_pin_write(LED4_PIN, PIN_HIGH); rt_thread_mdelay(speed); } }