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LED.H
Dependencies: ELEC350-Practicals-FZ429
Fork of ELEC350-SD_Card_Demo by
main.cpp
- Committer:
- martinsimpson
- Date:
- 2017-10-20
- Revision:
- 0:1ce5a958aaf8
- Child:
- 2:f1b3a82f7738
File content as of revision 0:1ce5a958aaf8:
/* Access an SD Card using SPI */ #include "mbed.h" #include "SDBlockDevice.h" #include "FATFileSystem.h" SDBlockDevice sd(D11, D12, D13, D10); // mosi, miso, sclk, cs uint8_t block[512] = "Hello World!\n"; int main() { printf("Initialise and write to a file\n"); //FileSystemLike(*sd); // call the SDBlockDevice instance initialisation method. if ( 0 != sd.init()) { printf("Init failed \n"); return -1; } //FileSystemLike(*sd); FATFileSystem fs("sd", &sd); FILE *fp = fopen("/sd/test.txt","w"); if(fp == NULL) { error("Could not open file for write\n"); } //Put some text in the file... fprintf(fp, "Martin Says Hi! One for the good guys\n"); //Tidy up here fclose(fp); sd.deinit(); printf("All done...\n"); /* printf("sd size: %llu\n", sd.size()); printf("sd read size: %llu\n", sd.get_read_size()); printf("sd program size: %llu\n", sd.get_program_size()); printf("sd erase size: %llu\n", sd.get_erase_size()); // set the frequency if ( 0 != sd.frequency(5000000)) { printf("Error setting frequency \n"); } if ( 0 != sd.erase(0, sd.get_erase_size())) { printf("Error Erasing block \n"); } // Write some the data block to the device if ( 0 == sd.program(block, 0, 512)) { // read the data block from the device if ( 0 == sd.read(block, 0, 512)) { // print the contents of the block printf("%s", block); } } // call the SDBlockDevice instance de-initialisation method. sd.deinit(); */ }