/* * Copyright (c) 2022-2024, Xiaohua Semiconductor Co., Ltd. * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2024-12-30 CDT first version */ /* * 程序清单:SD/MMC卡 设备使用例程 * 例程导出了 sample_sdmmc 命令到控制终端 * 命令调用格式:sdmmc_sample * 程序功能:对整个SD/MMC卡进行写和读操作,比较数据是否一致 * * 注意: 修改函数SystemClock_Config下面参数, * stcPLLHInit.PLLCFGR_f.PLLN = 120UL - 1UL; * 改为 * stcPLLHInit.PLLCFGR_f.PLLN = 100UL - 1UL; */ #include #include #include #include #if defined(BSP_USING_SDIO) #define SDMMC_DEVICE_NAME "sd" #define SDMMC_SECTOR_SIZE 512UL #define SDMMC_TEST_SECTORS_PER_TIME 100UL #define SDMMC_TEST_TIME 10UL #define SDMMC_TEST_SECTORS (SDMMC_TEST_TIME * SDMMC_TEST_SECTORS_PER_TIME) #define SDMMC_TEST_BUF_SIZE (SDMMC_SECTOR_SIZE * SDMMC_TEST_SECTORS_PER_TIME) static void sdmmc_thread_entry(void *parameter) { rt_ssize_t size; rt_uint32_t err_count = 0; rt_device_t sd_device; rt_uint32_t sector_start; rt_uint32_t sector_end;; rt_uint32_t sector_cur_start; rt_uint32_t sector_cur_end; rt_uint8_t *sector_rbuf; rt_uint8_t *sector_wbuf; sd_device = rt_device_find(SDMMC_DEVICE_NAME); if (sd_device == RT_NULL) { rt_kprintf("no nand device found!\n"); return; } if (rt_device_open(sd_device, RT_DEVICE_FLAG_RDWR) != RT_EOK) { rt_kprintf("fail to open!\n"); return; } sector_rbuf = rt_malloc(SDMMC_TEST_BUF_SIZE); if (sector_rbuf == RT_NULL) { rt_kprintf("out of memory!"); return; } sector_wbuf = rt_malloc(SDMMC_TEST_BUF_SIZE); if (sector_wbuf == RT_NULL) { rt_free(sector_rbuf); rt_kprintf("out of memory!"); return; } sector_start = ((rt_uint32_t)rand() & 0x00000FFFUL); sector_end = (sector_start + SDMMC_TEST_SECTORS - 1); rt_kprintf("sector=[%d, %d]: ......test start...... !\r\n", sector_start, sector_end); for (sector_cur_start = sector_start; sector_cur_start <= sector_end; sector_cur_start += SDMMC_TEST_SECTORS_PER_TIME) { sector_cur_end = sector_cur_start + SDMMC_TEST_SECTORS_PER_TIME - 1UL; /* initialize buffer data */ rt_memset(sector_rbuf, 0, SDMMC_TEST_BUF_SIZE); rt_memset(sector_wbuf, (rt_uint8_t)rand(), SDMMC_TEST_BUF_SIZE); /* write sdmmc */ size = rt_device_write(sd_device, sector_cur_start, sector_wbuf, SDMMC_TEST_SECTORS_PER_TIME); if (size == SDMMC_TEST_SECTORS_PER_TIME) { rt_kprintf("sector=[%d, %d]: ok wr !\r\n", sector_cur_start, sector_cur_end); } else { err_count++; rt_kprintf("sector=[%d, %d]: error wr !\r\n", sector_cur_start, sector_cur_end); continue; } /* read sdmmc */ size = rt_device_read(sd_device, sector_cur_start, sector_rbuf, SDMMC_TEST_SECTORS_PER_TIME); if (size == SDMMC_TEST_SECTORS_PER_TIME) { rt_kprintf("sector=[%d, %d]: ok rd !\r\n", sector_cur_start, sector_cur_end); } else { err_count++; rt_kprintf("sector=[%d, %d]: error rd !\r\n", sector_cur_start, sector_cur_end); continue; } /* compare data */ if (rt_memcmp(sector_wbuf, sector_rbuf, SDMMC_TEST_BUF_SIZE) == 0) { rt_kprintf("sector=[%d, %d]: ok cmp !\r\n", sector_cur_start, sector_cur_end); } else { err_count++; rt_kprintf("sector=[%d, %d]: error cmp !\r\n", sector_cur_start, sector_cur_end); } } if (rt_device_close(sd_device) != RT_EOK) { rt_kprintf("fail to close!\n"); } rt_free(sector_rbuf); rt_free(sector_wbuf); if (err_count == 0) { rt_kprintf("sector=[%d, %d]: ...... test ok...... !\r\n\r\n", sector_start, sector_end); } else { rt_kprintf("sector=[%d, %d]: ...... test error...... !\r\n\r\n", sector_start, sector_end); } } static void sdmmc_sample(int argc, char *argv[]) { rt_thread_t thread = rt_thread_create("sdmmc", sdmmc_thread_entry, RT_NULL, 2048, 15, 10); if (thread != RT_NULL) { rt_thread_startup(thread); } } MSH_CMD_EXPORT(sdmmc_sample, sdmmc sample); #endif