#include "mbed.h" #include "SDFileSystem.h" #include "test_env.h" #if defined(TARGET_KL25Z) SDFileSystem sd(PTD2, PTD3, PTD1, PTD0, "sd"); #elif defined(TARGET_KL46Z) SDFileSystem sd(PTD6, PTD7, PTD5, PTD4, "sd"); #elif defined(TARGET_K64F) SDFileSystem sd(PTD2, PTD3, PTD1, PTD0, "sd"); #elif defined(TARGET_K20D50M) SDFileSystem sd(PTD2, PTD3, PTD1, PTC2, "sd"); #elif defined(TARGET_nRF51822) SDFileSystem sd(p12, p13, p15, p14, "sd"); #elif defined(TARGET_NUCLEO_F103RB) || \ defined(TARGET_NUCLEO_L152RE) || \ defined(TARGET_NUCLEO_F302R8) || \ defined(TARGET_NUCLEO_F030R8) || \ defined(TARGET_NUCLEO_F401RE) || \ defined(TARGET_NUCLEO_F411RE) || \ defined(TARGET_NUCLEO_F072RB) || \ defined(TARGET_NUCLEO_F334R8) || \ defined(TARGET_NUCLEO_L053R8) SDFileSystem sd(D11, D12, D13, D10, "sd"); #elif defined(TARGET_DISCO_F051R8) SDFileSystem sd(SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, "sd"); #elif defined(TARGET_LPC2368) SDFileSystem sd(p11, p12, p13, p14, "sd"); #elif defined(TARGET_LPC11U68) SDFileSystem sd(D11, D12, D13, D10, "sd"); #else SDFileSystem sd(p11, p12, p13, p14, "sd"); #endif namespace { const char *sd_file_path = "/sd/out.txt"; const int DATA_SIZE = 256; } int main() { uint8_t data_written[DATA_SIZE] = { 0 }; bool result = true; // Fill data_written buffer with random data // Write these data into the file { FILE *f = fopen(sd_file_path, "w"); printf("SD: Writing ... "); for (int i = 0; i < DATA_SIZE; i++) { data_written[i] = rand() % 0XFF; fprintf(f, "%c", data_written[i]); } printf("[OK]\r\n"); fclose(f); } // Read back the data from the file and store them in data_read { FILE *f = fopen(sd_file_path, "r"); printf("SD: Reading data ... "); for (int i = 0; i < DATA_SIZE; i++) { uint8_t data = fgetc(f); if (data != data_written[i]) { result = false; break; } } printf("[%s]\r\n", result ? "OK" : "FAIL"); fclose(f); } notify_completion(result); }