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Dependencies: SDFileSystem mbed
main.cpp@0:4e67ce020359, 2016-09-10 (annotated)
- Committer:
- yu10078999
- Date:
- Sat Sep 10 02:46:15 2016 +0000
- Revision:
- 0:4e67ce020359
- Child:
- 1:1c3f6ffb47c6
0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
yu10078999 | 0:4e67ce020359 | 1 | #include "mbed.h" |
yu10078999 | 0:4e67ce020359 | 2 | #include "SDFileSystem.h" |
yu10078999 | 0:4e67ce020359 | 3 | |
yu10078999 | 0:4e67ce020359 | 4 | Serial pc(USBTX, USBRX); |
yu10078999 | 0:4e67ce020359 | 5 | SDFileSystem sd(PC_3, PC_2, PB_10, PE_2, "sd"); // MOSI, MISO, SCK, CS |
yu10078999 | 0:4e67ce020359 | 6 | |
yu10078999 | 0:4e67ce020359 | 7 | FILE *fp; |
yu10078999 | 0:4e67ce020359 | 8 | char data[100]; |
yu10078999 | 0:4e67ce020359 | 9 | |
yu10078999 | 0:4e67ce020359 | 10 | int main() { |
yu10078999 | 0:4e67ce020359 | 11 | wait(1); |
yu10078999 | 0:4e67ce020359 | 12 | pc.printf("Initializing\r\n"); |
yu10078999 | 0:4e67ce020359 | 13 | |
yu10078999 | 0:4e67ce020359 | 14 | fp = fopen("/sd/hello.txt", "r"); //檔名可以任意改 |
yu10078999 | 0:4e67ce020359 | 15 | |
yu10078999 | 0:4e67ce020359 | 16 | if (fp == NULL) { |
yu10078999 | 0:4e67ce020359 | 17 | pc.printf("Fail\r\n"); |
yu10078999 | 0:4e67ce020359 | 18 | } |
yu10078999 | 0:4e67ce020359 | 19 | |
yu10078999 | 0:4e67ce020359 | 20 | fread( data, sizeof(data), 1, fp ); |
yu10078999 | 0:4e67ce020359 | 21 | fclose(fp); |
yu10078999 | 0:4e67ce020359 | 22 | pc.printf("File successfully read!\r\n"); |
yu10078999 | 0:4e67ce020359 | 23 | pc.printf(" Your data:\n%s\n",data); |
yu10078999 | 0:4e67ce020359 | 24 | } |