Simple test for MPU connectivity
Dependencies: mbed
Revision 0:7c2bb0b8ea73, committed 2015-01-29
- Comitter:
- smigielski
- Date:
- Thu Jan 29 21:44:33 2015 +0000
- Commit message:
- initial version of mputest
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 7c2bb0b8ea73 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Jan 29 21:44:33 2015 +0000 @@ -0,0 +1,20 @@ +#include "mbed.h" + +SPI spi(P0_28, P0_24, P0_29); // mosi, miso, sclk +DigitalOut cs(P0_18); + +#define MPU9250_WHOAMI 0x75 +#define MPU9250_READ_FLAG 0x80 + +//Test that spi is working with mpu9250 +int main() { + cs=1; + while(1) { + cs = 0; + spi.write(MPU9250_WHOAMI| MPU9250_READ_FLAG); + uint8_t val = spi.write(0x00); + //Device id is 0x71 + cs = 1; + wait(1.0); + } +}
diff -r 000000000000 -r 7c2bb0b8ea73 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Jan 29 21:44:33 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5 \ No newline at end of file