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test for sd card
Dependencies: SDFileSystem mbed
Fork of SDFileSystem_HelloWorld by
main.cpp@1:e0c49c5ad6d1, 2014-07-30 (annotated)
- Committer:
- neilt6
- Date:
- Wed Jul 30 15:41:10 2014 +0000
- Revision:
- 1:e0c49c5ad6d1
- Parent:
- 0:8f2b6eed2a9d
- Child:
- 2:e4b38da7d1fc
Updated to demonstrate card detect switch type selection
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
neilt6 | 0:8f2b6eed2a9d | 1 | #include "mbed.h" |
neilt6 | 0:8f2b6eed2a9d | 2 | #include "SDFileSystem.h" |
neilt6 | 0:8f2b6eed2a9d | 3 | |
neilt6 | 0:8f2b6eed2a9d | 4 | DigitalIn button(p21, PullUp); |
neilt6 | 1:e0c49c5ad6d1 | 5 | SDFileSystem sd(p5, p6, p7, p20, p22, "sd", SDFileSystem::SWITCH_NC, 6000000); |
neilt6 | 0:8f2b6eed2a9d | 6 | |
neilt6 | 0:8f2b6eed2a9d | 7 | int main() |
neilt6 | 0:8f2b6eed2a9d | 8 | { |
neilt6 | 0:8f2b6eed2a9d | 9 | while(1) { |
neilt6 | 0:8f2b6eed2a9d | 10 | //Print the start message |
neilt6 | 0:8f2b6eed2a9d | 11 | printf("\nPress the button to perform tests: "); |
neilt6 | 0:8f2b6eed2a9d | 12 | |
neilt6 | 0:8f2b6eed2a9d | 13 | //Wait for the button to be pressed |
neilt6 | 0:8f2b6eed2a9d | 14 | while(button); |
neilt6 | 0:8f2b6eed2a9d | 15 | |
neilt6 | 0:8f2b6eed2a9d | 16 | //Display the card type and capacity |
neilt6 | 0:8f2b6eed2a9d | 17 | printf("\nCard type: "); |
neilt6 | 0:8f2b6eed2a9d | 18 | if (sd.card_type() == SDFileSystem::CARD_NONE) |
neilt6 | 0:8f2b6eed2a9d | 19 | printf("None\n"); |
neilt6 | 0:8f2b6eed2a9d | 20 | else if (sd.card_type() == SDFileSystem::CARD_MMC) |
neilt6 | 0:8f2b6eed2a9d | 21 | printf("MMC\n"); |
neilt6 | 0:8f2b6eed2a9d | 22 | else if (sd.card_type() == SDFileSystem::CARD_SD) |
neilt6 | 0:8f2b6eed2a9d | 23 | printf("SD\n"); |
neilt6 | 0:8f2b6eed2a9d | 24 | else if (sd.card_type() == SDFileSystem::CARD_SDHC) |
neilt6 | 0:8f2b6eed2a9d | 25 | printf("SDHC\n"); |
neilt6 | 0:8f2b6eed2a9d | 26 | else |
neilt6 | 0:8f2b6eed2a9d | 27 | printf("Unknown\n"); |
neilt6 | 0:8f2b6eed2a9d | 28 | printf("Sectors: %llu\n", sd.disk_sectors()); |
neilt6 | 0:8f2b6eed2a9d | 29 | printf("Capacity: %.1fMB\n", (sd.disk_sectors() * 512) / 1048576.0); |
neilt6 | 0:8f2b6eed2a9d | 30 | |
neilt6 | 0:8f2b6eed2a9d | 31 | //Format the card |
neilt6 | 0:8f2b6eed2a9d | 32 | /*printf("Formatting card..."); |
neilt6 | 0:8f2b6eed2a9d | 33 | if (sd.format() == 0) |
neilt6 | 0:8f2b6eed2a9d | 34 | printf("success!\n"); |
neilt6 | 0:8f2b6eed2a9d | 35 | else |
neilt6 | 0:8f2b6eed2a9d | 36 | printf("failed!\n");*/ |
neilt6 | 0:8f2b6eed2a9d | 37 | |
neilt6 | 0:8f2b6eed2a9d | 38 | //Perform a write test |
neilt6 | 0:8f2b6eed2a9d | 39 | printf("Writing to card..."); |
neilt6 | 0:8f2b6eed2a9d | 40 | FILE *fp = fopen("/sd/sdtest.txt", "w"); |
neilt6 | 0:8f2b6eed2a9d | 41 | if (fp != NULL) { |
neilt6 | 0:8f2b6eed2a9d | 42 | fprintf(fp, "We're writing to an SD card!"); |
neilt6 | 0:8f2b6eed2a9d | 43 | fclose(fp); |
neilt6 | 0:8f2b6eed2a9d | 44 | printf("success!\n"); |
neilt6 | 0:8f2b6eed2a9d | 45 | } else { |
neilt6 | 0:8f2b6eed2a9d | 46 | printf("failed!\n"); |
neilt6 | 0:8f2b6eed2a9d | 47 | } |
neilt6 | 0:8f2b6eed2a9d | 48 | |
neilt6 | 0:8f2b6eed2a9d | 49 | //Perform a read test |
neilt6 | 0:8f2b6eed2a9d | 50 | printf("Reading from card..."); |
neilt6 | 0:8f2b6eed2a9d | 51 | fp = fopen("/sd/sdtest.txt", "r"); |
neilt6 | 0:8f2b6eed2a9d | 52 | if (fp != NULL) { |
neilt6 | 0:8f2b6eed2a9d | 53 | char c = fgetc(fp); |
neilt6 | 0:8f2b6eed2a9d | 54 | if (c == 'W') |
neilt6 | 0:8f2b6eed2a9d | 55 | printf("success!\n"); |
neilt6 | 0:8f2b6eed2a9d | 56 | else |
neilt6 | 0:8f2b6eed2a9d | 57 | printf("incorrect char (%c)!\n", c); |
neilt6 | 0:8f2b6eed2a9d | 58 | fclose(fp); |
neilt6 | 0:8f2b6eed2a9d | 59 | } else { |
neilt6 | 0:8f2b6eed2a9d | 60 | printf("failed!\n"); |
neilt6 | 0:8f2b6eed2a9d | 61 | } |
neilt6 | 0:8f2b6eed2a9d | 62 | |
neilt6 | 0:8f2b6eed2a9d | 63 | //Delay for 0.2 seconds for simple debouncing |
neilt6 | 0:8f2b6eed2a9d | 64 | wait(0.2); |
neilt6 | 0:8f2b6eed2a9d | 65 | } |
neilt6 | 0:8f2b6eed2a9d | 66 | } |