| /* |
| * Copyright (c) 2023 Jamie McCrae |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <string.h> |
| #include <zephyr/kernel.h> |
| #include <zephyr/device.h> |
| #include <zephyr/drivers/auxdisplay.h> |
| #include <zephyr/logging/log.h> |
| |
| LOG_MODULE_REGISTER(auxdisplay_sample, LOG_LEVEL_DBG); |
| |
| int main(void) |
| { |
| int rc; |
| const struct device *const dev = DEVICE_DT_GET(DT_NODELABEL(auxdisplay_0)); |
| uint8_t data[64]; |
| |
| if (!device_is_ready(dev)) { |
| LOG_ERR("Auxdisplay device is not ready."); |
| return 0; |
| } |
| |
| rc = auxdisplay_cursor_set_enabled(dev, true); |
| |
| if (rc != 0) { |
| LOG_ERR("Failed to enable cursor: %d", rc); |
| } |
| |
| snprintk(data, sizeof(data), "Hello world from %s", CONFIG_BOARD); |
| rc = auxdisplay_write(dev, data, strlen(data)); |
| |
| if (rc != 0) { |
| LOG_ERR("Failed to write data: %d", rc); |
| } |
| return 0; |
| } |