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Dependencies: RTC_Reader SDFileSystem DS3231
main.cpp@0:eb4606c99ae9, 2018-11-16 (annotated)
- Committer:
- DimasFN
- Date:
- Fri Nov 16 23:06:22 2018 +0000
- Revision:
- 0:eb4606c99ae9
- Child:
- 1:cd725fbbcbc2
Getting Started with SPI Communications to the SD Card module to write strings into a .txt file and store it into Micro SD card;
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| DimasFN | 0:eb4606c99ae9 | 1 | |
| DimasFN | 0:eb4606c99ae9 | 2 | //https://os.mbed.com/users/neilt6/code/SDFileSystem_HelloWorld/ |
| DimasFN | 0:eb4606c99ae9 | 3 | |
| DimasFN | 0:eb4606c99ae9 | 4 | #include "mbed.h" |
| DimasFN | 0:eb4606c99ae9 | 5 | #include "SDFileSystem.h" |
| DimasFN | 0:eb4606c99ae9 | 6 | |
| DimasFN | 0:eb4606c99ae9 | 7 | //SDFileSystem::SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name) : |
| DimasFN | 0:eb4606c99ae9 | 8 | SDFileSystem sd(D11, D12, D13, D10, "G"); // the pinout on the mbed Cool Components workshop board |
| DimasFN | 0:eb4606c99ae9 | 9 | |
| DimasFN | 0:eb4606c99ae9 | 10 | int main() { |
| DimasFN | 0:eb4606c99ae9 | 11 | printf("SD card test!\r\n"); |
| DimasFN | 0:eb4606c99ae9 | 12 | |
| DimasFN | 0:eb4606c99ae9 | 13 | mkdir("/G/mydir", 0777); |
| DimasFN | 0:eb4606c99ae9 | 14 | |
| DimasFN | 0:eb4606c99ae9 | 15 | FILE *fp = fopen("/G/mydir/TEST.txt", "w"); |
| DimasFN | 0:eb4606c99ae9 | 16 | if(fp == NULL) { |
| DimasFN | 0:eb4606c99ae9 | 17 | error("Could not open file for write\r\n"); |
| DimasFN | 0:eb4606c99ae9 | 18 | } |
| DimasFN | 0:eb4606c99ae9 | 19 | fprintf(fp, "Hello fun SD Card World!\r\n"); |
| DimasFN | 0:eb4606c99ae9 | 20 | fclose(fp); |
| DimasFN | 0:eb4606c99ae9 | 21 | |
| DimasFN | 0:eb4606c99ae9 | 22 | printf("File successfully written and closed!\r\n"); |
| DimasFN | 0:eb4606c99ae9 | 23 | } |