131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
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/*
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* COPYRIGHT (C) 2012-2022, Shanghai Real-Thread Technology Co., Ltd
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* All rights reserved.
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* Change Logs:
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* Date Author Notes
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* 2018-02-08 RT-Thread the first version
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <unistd.h>
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#include "drv_pin.h"
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#ifdef BSP_USING_SDMMC
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#include "drv_sdmmc.h"
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#endif
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#ifdef RT_USING_FAL
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#include "fal.h"
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#endif
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#ifdef RT_USING_DFS
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#include <dfs_fs.h>
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#define SD_CHECK_PIN GET_PIN(GPIO_PORT_G, GPIO_PIN_3)
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int sd_check_thread_entry(void *p)
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{
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rt_uint8_t old_sd_check = 0;
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/* 挂载sd0分区 */
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if (RT_NULL != rt_device_find("sd0p0"))
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{
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if (dfs_mount("sd0p0", "/", "elm", 0, 0) == 0)
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{
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rt_kprintf("Mount \"sd0p0\" on \"/\" success\n");
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}
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else
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{
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rt_kprintf("Mount \"sd0p0\" on \"/\" fail\n");
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return -1;
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}
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/* 挂载sd1分区 */
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if (RT_NULL != rt_device_find("sd0p1"))
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{
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if (dfs_mount("sd0p1", "/", "elm", 0, 0) == 0)
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{
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rt_kprintf("Mount \"sd0p1\" on \"/\" success\n");
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}
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else
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{
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rt_kprintf("Mount \"sd0p1\" on \"/data\" fail\n");
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}
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}
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while (1)
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{
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#ifdef SD_CARD_CHECK
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if (!rt_pin_read(SD_CHECK_PIN) && !old_sd_check) // mount
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#else
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if (!old_sd_check) // mount
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#endif
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{
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sd_mmc1_init();
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/* 挂载sd2分区 */
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if (RT_NULL != rt_device_find("sd1p0"))
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{
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if (access("/mnt", 0) != 0)
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{
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mkdir("/mnt", 0777);
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}
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if (dfs_mount("sd1p0", "/mnt", "elm", 0, 0) == 0)
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{
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rt_kprintf("Mount \"sd1p0\" on \"/mnt\" success\n");
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}
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else
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{
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rt_kprintf("Mount \"sd1p0\" on \"/mnt\" fail\n");
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}
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}
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old_sd_check = 1;
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}
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#ifdef SD_CARD_CHECK
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else if (rt_pin_read(SD_CHECK_PIN) && old_sd_check) // unmount
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{
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if (RT_NULL != rt_device_find("sd1p0"))
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{
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if (dfs_unmount("/mnt") == 0)
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{
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rt_kprintf("unMount \"sd1p0\" on \"/mnt\" success\n");
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}
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else
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{
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rt_kprintf("unMount \"sd1p0\" on \"/mnt\" fail\n");
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}
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}
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sd_mmc1_deinit();
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old_sd_check = 0;
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}
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#endif
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rt_thread_delay(RT_TICK_PER_SECOND);
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}
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}
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return 0;
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}
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int mnt_init(void)
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{
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#ifdef RT_USING_FAL
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{
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rt_thread_t thread = NULL;
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rt_pin_mode(SD_CHECK_PIN, PIN_MODE_INPUT_PULLUP);
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thread = rt_thread_create("sd", sd_check_thread_entry, NULL, 4096, 21, 10);
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if (thread == NULL)
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{
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return -1;
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}
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rt_thread_startup(thread);
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}
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#endif
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return 0;
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}
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INIT_ENV_EXPORT(mnt_init);
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#endif
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