Reading Analog Ports and Saving in a micro SD CARD with the KL25z
Dependencies: SDFileSystem mbed
Fork of SDFileSystem_HelloWorld by
Diff: main.cpp
- Revision:
- 17:e5b7469082c8
- Parent:
- 16:d68a6d4050f2
- Child:
- 19:ae979143c796
--- a/main.cpp Wed Jul 08 16:47:02 2015 +0000 +++ b/main.cpp Thu Aug 27 21:51:58 2015 +0000 @@ -70,42 +70,54 @@ buffer[i] = rand(); while(1) { + //Simple button debouncing + wait(0.5); + //Print the start message printf("\nPress the button to perform tests: "); //Wait for the button to be pressed while(button); - //Display the card type and capacity + //Display the card type printf("\nCard type: "); - if (sd.card_type() == SDFileSystem::CARD_NONE) + SDFileSystem::CardType cardType = sd.card_type(); + if (cardType == SDFileSystem::CARD_NONE) printf("None\n"); - else if (sd.card_type() == SDFileSystem::CARD_MMC) + else if (cardType == SDFileSystem::CARD_MMC) printf("MMC\n"); - else if (sd.card_type() == SDFileSystem::CARD_SD) + else if (cardType == SDFileSystem::CARD_SD) printf("SD\n"); - else if (sd.card_type() == SDFileSystem::CARD_SDHC) + else if (cardType == SDFileSystem::CARD_SDHC) printf("SDHC\n"); else printf("Unknown\n"); + + //Try to mount the SD card + printf("Mounting SD card..."); + if (sd.mount() != 0) { + printf("failed!\n"); + continue; + } + printf("success!\n"); + + //Display the card capacity printf("Sectors: %llu\n", sd.disk_sectors()); printf("Capacity: %.1fMB\n", sd.disk_sectors() / 2048.0); - //Mount the filesystem - sd.mount(); + /*//Format the card + printf("Formatting SD card..."); + if (sd.format() != 0) { + printf("failed!\n"); + continue; + } + printf("success!\n");*/ - /*//Format the card - printf("Formatting card..."); - if (sd.format() == 0) - printf("success!\n"); - else - printf("failed!\n");*/ - - //Perform a read/write tests + //Perform a read/write test writeTest(); readTest(); - //Unmount the filesystem + //Unmount the SD card sd.unmount(); } }