af629b3547
Makes fatfs component runnable on host. Depends on the host library build of wear levelling and flash emulator. Includes a basic sanity test of mounting a volume, opening a file, writing to the file, reading the file, closing the file and unmounting volume.
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
#include <stdio.h>
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#include <string.h>
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#include "ff.h"
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#include "esp_partition.h"
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#include "wear_levelling.h"
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#include "diskio.h"
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#include "diskio_spiflash.h"
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#include "catch.hpp"
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TEST_CASE("create volume, open file, write and read back data", "[fatfs]")
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{
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FRESULT fr_result;
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BYTE pdrv;
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FATFS fs;
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FIL file;
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UINT bw;
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esp_err_t esp_result;
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// Create a 4MB partition
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uint32_t size = 0x00400000;
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int flash_handle = esp_flash_create(size, 4096, 1);
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esp_partition_t partition = esp_partition_create(size, 0, flash_handle);
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// Mount wear-levelled partition
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wl_handle_t wl_handle;
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esp_result = wl_mount(&partition, &wl_handle);
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REQUIRE(esp_result == ESP_OK);
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// Get a physical drive
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esp_result = ff_diskio_get_drive(&pdrv);
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REQUIRE(esp_result == ESP_OK);
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// Register physical drive as wear-levelled partition
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esp_result = ff_diskio_register_wl_partition(pdrv, wl_handle);
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// Create FAT volume on the entire disk
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DWORD part_list[] = {100, 0, 0, 0};
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BYTE work_area[FF_MAX_SS];
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fr_result = f_fdisk(pdrv, part_list, work_area);
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REQUIRE(fr_result == FR_OK);
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fr_result = f_mkfs("", FM_ANY, 0, work_area, sizeof(work_area)); // Use default volume
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// Mount the volume
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fr_result = f_mount(&fs, "", 0);
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REQUIRE(fr_result == FR_OK);
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// Open, write and read data
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fr_result = f_open(&file, "test.txt", FA_OPEN_ALWAYS | FA_READ | FA_WRITE);
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REQUIRE(fr_result == FR_OK);
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const char data[] = "Hello, World!";
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char *read = (char*) malloc(sizeof(data));
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fr_result = f_write(&file, data, sizeof(data), &bw);
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REQUIRE(fr_result == FR_OK);
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REQUIRE(bw == sizeof(data));
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// Move to beginning of file
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fr_result = f_lseek(&file, 0);
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REQUIRE(fr_result == FR_OK);
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fr_result = f_read(&file, read, sizeof(data), &bw);
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REQUIRE(fr_result == FR_OK);
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REQUIRE(bw == sizeof(data));
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REQUIRE(strcmp(data, read) == 0);
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// Close file
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fr_result = f_close(&file);
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REQUIRE(fr_result == FR_OK);
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// Unmount default volume
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fr_result = f_mount(0, "", 0);
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REQUIRE(fr_result == FR_OK);
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esp_partition_delete(partition);
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free(read);
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} |