/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2020-07-27 thread-liu first version */ #include "board.h" //#define DRV_DEBUG #define LOG_TAG "drv.rcc" #include #include #include static void enable_clock(void) { __HAL_RCC_GPIOH_CLK_ENABLE(); } static void disable_clock(void) { __HAL_RCC_GPIOH_CLK_DISABLE(); } static int rcc_sample(int argc, char *argv[]) { if (argc > 1) { if (!strcmp(argv[1], "enable")) { enable_clock(); return RT_EOK; } else if (!strcmp(argv[1], "disable")) { disable_clock(); return RT_EOK; } else { goto _exit; } } _exit: { rt_kprintf("Usage:\n"); rt_kprintf("rcc_sample enable - enable GPIOH clock, the LD7 will blink '\n"); rt_kprintf("rcc_sample disable - disable GPIOH clock, the LD7 will stop blink'\n"); } return -RT_ERROR; } MSH_CMD_EXPORT(rcc_sample, rcc use sample);