projet 5A ensil Johan Bouthayna Annas
Diff: main.cpp
- Revision:
- 0:1d41bd249237
- Child:
- 1:8f6591373cfd
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Nov 24 11:10:42 2017 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+#include "MPU6050.h"
+
+Serial PC(SERIAL_TX, SERIAL_RX);
+Serial BT(PA_10, PA_9);
+
+MPU6050 mpu6050;
+
+DigitalOut myled(LED1);
+
+int main()
+{
+ PC.baud(9600);
+ PC.printf("Hello World !\n");
+ BT.baud(9600);
+ BT.printf("Connection BT\n");
+
+
+
+
+ while(1) {
+
+ if(mpu6050.readByte(MPU6050_ADDRESS, INT_STATUS) & 0x01) { // check if data ready interrupt
+ mpu6050.readAccelData(accelCount); // Read the x/y/z adc values
+ mpu6050.getAres();
+
+ // Now we'll calculate the accleration value into actual g's
+ ax = (float)accelCount[0]*aRes - accelBias[0]; // get actual g value, this depends on scale being set
+ ay = (float)accelCount[1]*aRes - accelBias[1];
+ az = (float)accelCount[2]*aRes - accelBias[2];
+
+ mpu6050.readGyroData(gyroCount); // Read the x/y/z adc values
+ mpu6050.getGres();
+
+ // Calculate the gyro value into actual degrees per second
+ gx = (float)gyroCount[0]*gRes; // - gyroBias[0]; // get actual gyro value, this depends on scale being set
+ gy = (float)gyroCount[1]*gRes; // - gyroBias[1];
+ gz = (float)gyroCount[2]*gRes; // - gyroBias[2];
+
+ tempCount = mpu6050.readTempData(); // Read the adc values
+ temperature = (tempCount) / 340. + 36.53; // Temperature in degrees Centigrade
+ }
+
+ Now = t.read_us();
+ deltat = (float)((Now - lastUpdate)/1000000.0f) ; // set integration time by time elapsed since last filter update
+ lastUpdate = Now;
+
+ sum += deltat;
+ sumCount++;
+
+ if(lastUpdate - firstUpdate > 10000000.0f) {
+ beta = 0.04; // decrease filter gain after stabilized
+ zeta = 0.015; // increasey bias drift gain after stabilized
+ }
+
+ // Pass gyro rate as rad/s
+ mpu6050.MadgwickQuaternionUpdate(ax, ay, az, gx*PI/180.0f, gy*PI/180.0f, gz*PI/180.0f);
+
+
+ //sensorX <= accelCount[0];
+ //sensorY <= accelCount[1];
+ //sensorZ <= accelCount[2];
+
+ PC.printf("acceleration in X = %u, or %f g\n", (unsigned int)accelCount[0], ax);
+ PC.printf("acceleration in Y = %u, or %f g\n", (unsigned int)accelCount[1], ay);
+ PC.printf("acceleration in Z = %u, or %f g\n", (unsigned int)accelCount[2], az);
+
+ PC.printf("gyroscope in X = %u, or %f dps\n", (unsigned int)gyroCount[0], gx);
+ PC.printf("gyroscope in Y = %u, or %f dps\n", (unsigned int)gyroCount[1], gy);
+ PC.printf("gyroscope in Z = %u, or %f dps\n", (unsigned int)gyroCount[2], gz);
+
+ PC.printf("temperature = %u, or %f C\n", (unsigned int)tempCount, temperature);
+ }
+}