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ECE 4180 Lab 2 IMU code template
Dependencies: 4DGL-uLCD-SE LSM9DS0 mbed
Diff: main.cpp
- Revision:
- 0:29ab304ca8ce
- Child:
- 1:ae1cefe9aa38
diff -r 000000000000 -r 29ab304ca8ce main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Jan 26 01:43:00 2015 +0000 @@ -0,0 +1,55 @@ +// LSM9DS90/uLCD Demo +// ECE 4180 Lab Code Template + +#include "mbed.h" +#include "LSM9DS0.h" +#include "uLCD_4DGL.h" + +// SDO_XM and SDO_G are pulled up, so our addresses are: +#define LSM9DS0_XM_ADDR 0x1D // Would be 0x1E if SDO_XM is LOW +#define LSM9DS0_G_ADDR 0x6B // Would be 0x6A if SDO_G is LOW + +#define REFRESH_TIME_MS 50 + +// Verify that the pin assignments below match your breadboard +LSM9DS0 imu(p9, p10, LSM9DS0_G_ADDR, LSM9DS0_XM_ADDR); +uLCD_4DGL lcd(p28, p27, p30); +Serial pc(USBTX, USBRX); // tx, rx + +//Init Serial port and LSM9DS0 chip +void setup() +{ + lcd.baudrate(3000000); + lcd.background_color(0); + lcd.cls(); + + lcd.printf("Initializing..."); + // Use the begin() function to initialize the LSM9DS0 library. + // You can either call it with no parameters (the easy way): + uint16_t status = imu.begin(); + + //Make sure communication is working + pc.printf("LSM9DS0 WHO_AM_I's returned: 0x%X\n", status); + pc.printf("Should be 0x49D4\n\n"); +} + +int main() +{ + setup(); //Setup sensor and Serial + pc.printf("------ LSM0DS0 Demo -----------\n"); + + while (true) + { + // TODO - add code here to read compass or accelerometer data + // and display it on the uLCD + + // Compass Trigonometry tip: you can retrieve the compass heading (in degrees) directly from + // the IMU library. Example: + // imu.readMag(); + // float heading = imu.calcHeading(); + // Remember that x = length*cos(heading) and y = length*sin(heading) + // to convert from degrees to radians (for sin/cos functions), multiply by pi/180 + + wait_ms(REFRESH_TIME_MS); + } +}