jim hamblen / Mbed OS SD_Card_HelloWorld_Ver5

SD card file helloworld demo using new mbed RTOS ver 5 file driver setup. Pins setup for LPC1768 - read comment in code about project's json file requirements for adding the SD filesystem driver

SD card r/w demo for mbed OS version 5 on LPC1768.

File drivers are added in json file with "target.components_add": ["SD"] for use in most recent OS 5 version.

Test messages are sent to serial port with printf's.

main.cpp

Committer:
4180_1
Date:
2019-09-11
Revision:
0:3588d7473dce
Child:
1:3a59eb72e0cf

File content as of revision 0:3588d7473dce:

#include "mbed.h"
// Need "target.components_add": ["SD"] in json project file!
#include "SDBlockDevice.h"
#include "FATFileSystem.h"

SDBlockDevice sd(p5, p6, p7, p8);
FATFileSystem fs("SD");
 
int main() {
    sd.init();
    fs.mount(&sd);
 
    FILE* fd = fopen("/SD/hi.txt", "w");
    fprintf(fd, "hello!\n\r");
    fclose(fd);
 
    sd.deinit();
    fs.unmount();
}