William Marsh / Mbed OS Accelerometer_example

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Show/hide line numbers main.cpp Source File

main.cpp

00001 #include "mbed.h"
00002 #include "MMA8451Q.h"
00003 
00004   PinName const SDA = PTE25;
00005   PinName const SCL = PTE24;
00006 
00007 #define MMA8451_I2C_ADDRESS (0x1d<<1)
00008 
00009 int main(void)
00010 {
00011     MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
00012     PwmOut rled(LED1);
00013     PwmOut gled(LED2);
00014     PwmOut bled(LED3);
00015     Serial pc(USBTX, USBRX); // tx, rx
00016 
00017 
00018     pc.printf("MMA8451 ID: %d\n", acc.getWhoAmI());
00019 
00020     while (true) {
00021         float x, y, z;
00022         x = acc.getAccX();
00023         y = acc.getAccY();
00024         z = acc.getAccZ();
00025         rled = 1.0f - abs(x);
00026         gled = 1.0f - abs(y);
00027         bled = 1.0f - abs(z);
00028         ThisThread::sleep_for(300);  // wait(0.3);
00029         pc.printf("X: %1.2f, Y: %1.2f, Z: %1.2f\n", x, y, z);
00030     }
00031 }
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