| /* |
| * Copyright (c) 2016 Open-RnD Sp. z o.o. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr.h> |
| #include <device.h> |
| #include <gpio.h> |
| |
| /** |
| * the demo assumes use of nucleo_f103rb board, adjust defines below |
| * to fit your board |
| */ |
| |
| /* we're going to use PB8 and PB5 */ |
| #define PORT "GPIOB" |
| /* PB5 */ |
| #define LED1 5 |
| /* PB8 */ |
| #define LED2 8 |
| |
| #define SLEEP_TIME 500 |
| |
| void main(void) |
| { |
| int cnt = 0; |
| struct device *gpiob; |
| |
| gpiob = device_get_binding(PORT); |
| |
| gpio_pin_configure(gpiob, LED1, GPIO_DIR_OUT); |
| gpio_pin_configure(gpiob, LED2, GPIO_DIR_OUT); |
| |
| while (1) { |
| gpio_pin_write(gpiob, LED1, cnt % 2); |
| gpio_pin_write(gpiob, LED2, (cnt + 1) % 2); |
| k_sleep(SLEEP_TIME); |
| cnt++; |
| } |
| } |
