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Added Satellites category tag
This project demonstrates the use of the SPI interface to communicate with SD Cards using the TMS570 board. SD cards may be useful on the satellite for data logging purposes. In addition, the code is a successful demonstration of the spi interface on the board.
This project demonstrates the use of the SPI interface to communicate with SD Cards using the TMS570 board. SD cards may be useful on the satellite for data logging purposes. In addition, the code is a successful demonstration of the spi interface on the board.
[[File:SDCard.jpg|300px]]
== Contents ==
== Contents ==
3. Any files labelled diskio or mmc-hdk-hercules are related to sending commands to the "disk" (sd card), with the key commands being readsector and writesector.
3. Any files labelled diskio or mmc-hdk-hercules are related to sending commands to the "disk" (sd card), with the key commands being readsector and writesector.
'''This code can attributed almost completely to https://www.element14.com/community/people/jancumps/blog/2015/10/03/ti-hercules-launchpad-using-an-sd-card'''
'''This code can be attributed almost completely to https://www.element14.com/community/people/jancumps/blog/2015/10/03/ti-hercules-launchpad-using-an-sd-card'''
== Usage ==
== Usage ==
and see what they do.
and see what they do.
[[File:SDCardShell.jpg|300px]]
== Usage (code) ==
== Usage (code) ==
mmcSelectSpi(spiPORT1, spiREG1); // Initialize sdcard code to work on mibspi[1]
mmcSelectSpi(spiPORT1, spiREG1); // Initialize sdcard code to work on mibspi[1]
'''Read from file'''
FIL file;
FIL file;
iFResult = f_read(&file, buffer, sizeof(buffer) - 1, (UINT *)&bytesRead); // Read one block of data from the file. bytesRead is populated with the number of bytes read.
iFResult = f_read(&file, buffer, sizeof(buffer) - 1, (UINT *)&bytesRead); // Read one block of data from the file. bytesRead is populated with the number of bytes read.
'''Write to file'''
FIL file;
FIL file;
res = f_close(&file); // If you don't do this the file might not save
res = f_close(&file); // If you don't do this the file might not save
[[Category: Satellites]]