Max_sampling_rate.cpp

00001 #include "mbed.h"
00002 #include "MMA8451Q.h"
00003 #include "MAG3110.h"
00004 #include "TSISensor.h"
00005 
00006 #define I2C0_SDA PTE25
00007 #define I2C0_SCL PTE24
00008 #define MMA8451_I2C_ADDRESS (0x1d<<1)
00009 #define MAG3110_I2C_ADDRESS (0x0E<<1)
00010 #define LIGHT_SENSOR_PIN PTE22
00011 #define COUNT 1000
00012 
00013 Serial pc_sr(USBTX, USBRX);
00014 MMA8451Q acc_sr(I2C0_SDA, I2C0_SCL, MMA8451_I2C_ADDRESS);
00015 MAG3110 mag_sr(I2C0_SDA, I2C0_SCL, MAG3110_I2C_ADDRESS);
00016 Timer timer_sr;
00017 TSISensor tsi_sr;
00018 AnalogIn lightSensor_sr(PTE22);
00019 
00020 void light(int count)
00021 {
00022     int i = 0;
00023     
00024     while (i < count) {
00025         lightSensor_sr.read();
00026         i++;
00027     }
00028 }
00029 
00030 void touch(int count)
00031 {
00032     int i = 0;
00033     while(i < count) {
00034         tsi_sr.readPercentage();
00035         i++;
00036     }
00037 }
00038     
00039 void magnetometer(int count)
00040 {
00041     int i = 0;
00042     
00043     while(i < count) {
00044        mag_sr.readVal(MAG_OUT_X_MSB);
00045        mag_sr.readVal(MAG_OUT_Y_MSB);
00046        mag_sr.readVal(MAG_OUT_Z_MSB);
00047        i++;
00048     }
00049 }
00050 
00051 void accelerometer(int count)
00052 {
00053     int i = 0;
00054     
00055     while (i < 1000) {
00056         acc_sr.getAccX();
00057         acc_sr.getAccY();
00058         acc_sr.getAccZ();
00059         i++;
00060     }
00061 }
00062 
00063 void max_sample_rate(int count)
00064 {
00065     int i = 0;
00066     
00067     while (i < count) {
00068         acc_sr.getAccX();
00069         acc_sr.getAccY();
00070         acc_sr.getAccZ();
00071 
00072         mag_sr.readVal(MAG_OUT_X_MSB);
00073         mag_sr.readVal(MAG_OUT_Y_MSB);
00074         mag_sr.readVal(MAG_OUT_Z_MSB);
00075 
00076         lightSensor_sr.read();
00077         
00078         tsi_sr.readPercentage();
00079         
00080         i++;
00081     }
00082 }
00083 /*
00084 int main() {
00085     int t1, t2;
00086     
00087     while (true) {
00088     timer_sr.reset();
00089     
00090     // Accelerometer
00091     timer_sr.start();
00092     t1 = timer_sr.read_ms();
00093     accelerometer(COUNT);
00094     t2 = timer_sr.read_ms();
00095     timer_sr.stop();
00096     pc_sr.printf("Time to sample acceleromter sensor 1000times = %dms\n", t2 - t1);
00097 
00098     timer_sr.reset();
00099     
00100     // magnetometer
00101     timer_sr.start();
00102     t1 = timer_sr.read_ms();
00103     magnetometer(COUNT);
00104     t2 = timer_sr.read_ms();
00105     timer_sr.stop();
00106     pc_sr.printf("Time to sample magnetometer sensor 1000times = %dms\n", t2 - t1);
00107 
00108     timer_sr.reset();
00109     
00110     // light
00111     timer_sr.start();
00112     t1 = timer_sr.read_ms();
00113     light(COUNT);
00114     t2 = timer_sr.read_ms();
00115     timer_sr.stop();
00116     pc_sr.printf("Time to sample light sensor 1000times = %dms\n", t2 - t1);
00117 
00118     timer_sr.reset();
00119     
00120     // touch
00121     timer_sr.start();
00122     t1 = timer_sr.read_ms();
00123     touch(COUNT);
00124     t2 = timer_sr.read_ms();
00125     timer_sr.stop();
00126     pc_sr.printf("Time to sample touch sensor 1000times = %dms\n", t2 - t1);
00127     
00128     timer_sr.reset();
00129     
00130     // All
00131     timer_sr.start();
00132     t1 = timer_sr.read_ms();
00133     max_sample_rate(COUNT);
00134     t2 = timer_sr.read_ms();
00135     timer_sr.stop();
00136     pc_sr.printf("Time to sample all sensors 1000times = %dms\n", t2 - t1);
00137     wait(3);
00138     }
00139 
00140 }
00141 */