first commit for opensource

2019-09-16 13:19:50 +08:00
parent 08ab013b8e
commit edb2879617
6303 changed files with 5472815 additions and 23 deletions
--- a/components/fs/fatfs/3rdparty/fatfs_drv.c
+++ b/components/fs/fatfs/3rdparty/fatfs_drv.c
@@ -0,0 +1,101 @@
+#include "ff.h"
+#include "diskio.h"
+#include "tos_hal.h"
+
+static hal_sd_t sd;
+static hal_sd_info_t sd_info;
+
+DWORD get_fattime(void)
+{
+    return 0;
+}
+
+int MMC_disk_initialize(void)
+{
+    if (tos_hal_sd_init(&sd) != 0) {
+        return -1;
+    }
+    return tos_hal_sd_info_get(&sd, &sd_info);
+}
+
+static uint8_t sdio_aligned_buffer[512] __ALIGNED__(4);
+
+int MMC_disk_read(uint8_t *buff, uint32_t sector, uint32_t count)
+{
+    TOS_CPU_CPSR_ALLOC();
+    int ret = 0;
+    uint32_t i;
+    uint64_t sector_addr = sector << 9;
+
+    TOS_CPU_INT_DISABLE();
+    if ((cpu_addr_t)buff % 4 != 0) {
+        for (i = 0; i < count; ++i) {
+            ret = tos_hal_sd_read(&sd, sdio_aligned_buffer, sector_addr + 512 * i, 1, 2000);
+            memcpy(buff, sdio_aligned_buffer, 512);
+            buff += 512;
+        }
+    } else {
+        ret = tos_hal_sd_read(&sd, buff, sector_addr, count, 2000);
+    }
+    TOS_CPU_INT_ENABLE();
+    return ret;
+}
+
+int MMC_disk_write(const uint8_t *buff, uint32_t sector, uint32_t count)
+{
+    TOS_CPU_CPSR_ALLOC();
+    int ret = 0;
+    uint32_t i;
+    uint64_t sector_addr = sector << 9;
+
+    TOS_CPU_INT_DISABLE();
+    if ((cpu_addr_t)buff % 4 !=0) {
+        for (i = 0; i < count; ++i) {
+            memcpy(sdio_aligned_buffer, buff, 512);
+            ret = tos_hal_sd_write(&sd, sdio_aligned_buffer, sector_addr + 512 * i, 1, 2000);
+            buff += 512;
+        }
+    } else {
+        ret = tos_hal_sd_write(&sd, buff, sector_addr, count, 2000);
+    }
+    TOS_CPU_INT_ENABLE();
+    return ret;
+}
+
+int MMC_disk_status(hal_sd_state_t *sd_state)
+{
+    return tos_hal_sd_state_get(&sd, sd_state);
+}
+
+int MMC_disk_ioctl(BYTE cmd, void *buff)
+{
+    int ret = 0;
+
+    if (cmd != CTRL_SYNC && !buff) {
+        return -1;
+    }
+
+    switch (cmd) {
+        case CTRL_SYNC:
+            break;
+
+        case GET_SECTOR_SIZE:
+            *(DWORD *)buff = sd_info.blk_size;
+            break;
+
+        case GET_BLOCK_SIZE:
+            *(WORD *)buff = sd_info.blk_size;
+            break;
+
+        case GET_SECTOR_COUNT:
+            *(DWORD *)buff = sd_info.blk_num;
+            break;
+
+        default:
+            ret = -1;
+            break;
+    }
+
+    return ret;
+}
+