1 /*
2 * Copyright (c) 2006-2018, RT-Thread Development Team
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Change Logs:
7 * Date Author Notes
8 * 2018-12-13 balanceTWK add sdcard port file
9 * 2019-06-11 WillianChan Add SD card hot plug detection
10 */
11
12 #include <rtthread.h>
13
14 #ifdef BSP_USING_FS
15 #if DFS_FILESYSTEMS_MAX < 4
16 #error "Please define DFS_FILESYSTEMS_MAX more than 4"
17 #endif
18 #if DFS_FILESYSTEM_TYPES_MAX < 4
19 #error "Please define DFS_FILESYSTEM_TYPES_MAX more than 4"
20 #endif
21
22 #ifdef BSP_USING_SPI_FLASH_FS
23 #include "fal.h"
24 #endif
25
26 #include <dfs_fs.h>
27 #include "dfs_romfs.h"
28 #include "drv_sdmmc.h"
29
30 #define DBG_TAG "app.filesystem"
31 #define DBG_LVL DBG_INFO
32 #include <rtdbg.h>
33
34 static const struct romfs_dirent _romfs_root[] = {
35 // {ROMFS_DIRENT_DIR, "flash", RT_NULL, 0},
36 {ROMFS_DIRENT_DIR, "sdcard", RT_NULL, 0}};
37
38 const struct romfs_dirent romfs_root = {
39 ROMFS_DIRENT_DIR, "/", (rt_uint8_t *)_romfs_root, sizeof(_romfs_root) / sizeof(_romfs_root[0])};
40
41 #ifdef BSP_USING_SDCARD_FS
42
43 /* SD Card hot plug detection pin */
44 #define SD_CHECK_PIN GET_PIN(N, 7)
45
_sdcard_mount(void)46 static void _sdcard_mount(void)
47 {
48 rt_device_t device;
49
50 device = rt_device_find("sd0");
51 if (device == NULL)
52 {
53 mmcsd_wait_cd_changed(0);
54 stm32_mmcsd_change();
55 mmcsd_wait_cd_changed(RT_WAITING_FOREVER);
56 device = rt_device_find("sd0");
57 }
58 if (device != RT_NULL)
59 {
60 if (dfs_mount("sd0", "/sdcard", "elm", 0, 0) == RT_EOK)
61 {
62 LOG_I("sd card mount to '/sdcard'");
63 }
64 else
65 {
66 LOG_W("sd card mount to '/sdcard' failed!");
67 }
68 }
69 }
70
_sdcard_unmount(void)71 static void _sdcard_unmount(void)
72 {
73 rt_thread_mdelay(200);
74 dfs_unmount("/sdcard");
75 LOG_I("Unmount \"/sdcard\"");
76
77 mmcsd_wait_cd_changed(0);
78 stm32_mmcsd_change();
79 mmcsd_wait_cd_changed(RT_WAITING_FOREVER);
80 }
81
sd_mount(void * parameter)82 static void sd_mount(void *parameter)
83 {
84 rt_uint8_t re_sd_check_pin = 1;
85 rt_thread_mdelay(200);
86 if (rt_pin_read(SD_CHECK_PIN))
87 {
88 _sdcard_mount();
89 }
90 while (1)
91 {
92 rt_thread_mdelay(200);
93 if (!re_sd_check_pin && (re_sd_check_pin = rt_pin_read(SD_CHECK_PIN)) != 0)
94 {
95 _sdcard_mount();
96 }
97
98 if (re_sd_check_pin && (re_sd_check_pin = rt_pin_read(SD_CHECK_PIN)) == 0)
99 {
100 _sdcard_unmount();
101 }
102 }
103 }
104
105 #endif /* BSP_USING_SDCARD_FS */
106
mount_init(void)107 int mount_init(void)
108 {
109 if (dfs_mount(RT_NULL, "/", "rom", 0, &(romfs_root)) != 0)
110 {
111 LOG_E("rom mount to '/' failed!");
112 }
113 #ifdef BSP_USING_SPI_FLASH_FS
114 struct rt_device *flash_dev = RT_NULL;
115
116 #ifndef RT_USING_WIFI
117 fal_init();
118 #endif
119
120 flash_dev = fal_mtd_nor_device_create("filesystem");
121
122 if (flash_dev)
123 {
124 //mount filesystem
125 if (dfs_mount(flash_dev->parent.name, "/flash", "lfs", 0, 0) != 0)
126 {
127 LOG_W("mount to '/flash' failed! try to mkfs %s", flash_dev->parent.name);
128 dfs_mkfs("lfs", flash_dev->parent.name);
129 if (dfs_mount(flash_dev->parent.name, "/flash", "lfs", 0, 0) == 0)
130 {
131 LOG_I("mount to '/flash' success!");
132 }
133 }
134 else
135 {
136 LOG_I("mount to '/flash' success!");
137 }
138 }
139 else
140 {
141 LOG_E("Can't create block device filesystem or bt_image partition.");
142 }
143
144 #endif
145
146 #ifdef BSP_USING_SDCARD_FS
147 rt_thread_t tid;
148
149 rt_pin_mode(SD_CHECK_PIN, PIN_MODE_INPUT_PULLUP);
150
151 tid = rt_thread_create("sd_mount", sd_mount, RT_NULL,
152 2048, RT_THREAD_PRIORITY_MAX - 2, 20);
153 if (tid != RT_NULL)
154 {
155 rt_thread_startup(tid);
156 }
157 else
158 {
159 LOG_E("create sd_mount thread err!");
160 }
161 #endif
162 return RT_EOK;
163 }
164 INIT_APP_EXPORT(mount_init);
165
166 #endif /* BSP_USING_FS */
167