Icarus Sensors / Mbed 2 deprecated MPU9250_test

Simple test for MPU connectivity

Dependencies:   mbed

main.cpp@0:7c2bb0b8ea73, 2015-01-29 (annotated)

Committer:
smigielski
Date:
Thu Jan 29 21:44:33 2015 +0000
Revision:
0:7c2bb0b8ea73
initial version of mputest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
smigielski 0:7c2bb0b8ea73 1 #include "mbed.h"
smigielski 0:7c2bb0b8ea73 2
smigielski 0:7c2bb0b8ea73 3 SPI spi(P0_28, P0_24, P0_29); // mosi, miso, sclk
smigielski 0:7c2bb0b8ea73 4 DigitalOut cs(P0_18);
smigielski 0:7c2bb0b8ea73 5
smigielski 0:7c2bb0b8ea73 6 #define MPU9250_WHOAMI 0x75
smigielski 0:7c2bb0b8ea73 7 #define MPU9250_READ_FLAG 0x80
smigielski 0:7c2bb0b8ea73 8
smigielski 0:7c2bb0b8ea73 9 //Test that spi is working with mpu9250
smigielski 0:7c2bb0b8ea73 10 int main() {
smigielski 0:7c2bb0b8ea73 11 cs=1;
smigielski 0:7c2bb0b8ea73 12 while(1) {
smigielski 0:7c2bb0b8ea73 13 cs = 0;
smigielski 0:7c2bb0b8ea73 14 spi.write(MPU9250_WHOAMI| MPU9250_READ_FLAG);
smigielski 0:7c2bb0b8ea73 15 uint8_t val = spi.write(0x00);
smigielski 0:7c2bb0b8ea73 16 //Device id is 0x71
smigielski 0:7c2bb0b8ea73 17 cs = 1;
smigielski 0:7c2bb0b8ea73 18 wait(1.0);
smigielski 0:7c2bb0b8ea73 19 }
smigielski 0:7c2bb0b8ea73 20 }