Raphaël Drouin
/
spi_comm
spi_comm
main.cpp
- Committer:
- ShaolinPoutine
- Date:
- 2017-01-11
- Revision:
- 0:ff086cd5333c
File content as of revision 0:ff086cd5333c:
#include "mbed.h" SPI spi(p5, p6, p7); // mosi, miso, sclk DigitalOut cs(p8); int main() { // Chip must be deselected cs = 1; // Setup the spi for 8 bit data, high steady state clock, // second edge capture, with a 1MHz clock rate spi.format(8,3); spi.frequency(1000000); // Select the device by seting chip select low cs = 0; // Send 0x8f, the command to read the WHOAMI register spi.write(0x8F); // Send a dummy byte to receive the contents of the WHOAMI register int whoami = spi.write(0x00); printf("WHOAMI register = 0x%X\n", whoami); // Deselect the device cs = 1; }