/* * Copyright (c) 2020-2021, Bluetrum Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2020/12/10 greedyhao The first version */ #include #include "board.h" int main(void) { uint32_t cnt = 0; uint8_t pin = rt_pin_get("PE.1"); rt_pin_mode(pin, PIN_MODE_OUTPUT); rt_kprintf("Hello, world\n"); while (1) { if (cnt % 2 == 0) { rt_pin_write(pin, PIN_LOW); } else { rt_pin_write(pin, PIN_HIGH); } cnt++; rt_thread_mdelay(1000); } return 0; }