![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
HI
Dependencies: Motor TCS3472_I2C mbed
Diff: main.cpp
- Revision:
- 0:1cbed7d36912
- Child:
- 1:9eb8d4e6a719
diff -r 000000000000 -r 1cbed7d36912 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Apr 24 00:53:50 2015 +0000 @@ -0,0 +1,71 @@ +#include "mbed.h" //includes this library for all mbed functions +#include "TCS3472_I2C.h" //includes the library for the RGB sensor +#include "Motor.h" +Motor R(p24, p25, p26); +Motor L(p21, p22, p23); + +PwmOut RGBsensorLED(p22); //established pin to power the LED on the sensor +TCS3472_I2C RGBsensor(p9, p10); //establishes pins for the RGB sensor. + + +Serial pc(USBTX, USBRX); //establishes a serial port in order to communicate with TeraTerm and LATLAB + +int main() //starts the program +{ + int RGB_data[4]; //declares an array to store the data read from the RGB sensor + float PWMbrightness = 1.0; //declares float for LED brightness + + RGBsensor.enablePowerAndRGBC(); //enables RGB sensor + RGBsensor.setIntegrationTime(100); //sets the intergration time of the RGB sensor + RGBsensorLED = PWMbrightness; //set brightness of sensor LED + pc.baud(921600); //sets the baud rate of the serial connection + + while (1) { //loops the program until is broken + + int colorcount[3] = {0,0,0}; //establishes an array for the possible regions the car is in + int scan = 0; //variable for for loop + + for (scan=0; scan<10; scan+=1) { + + RGBsensor.getAllColors(RGB_data); //read data from sensor for red, green, and blue along with magnitude + + int light = RGB_data[0]; //sets a variable for the light data so I don't have to type that every time + int red = RGB_data[1]; //sets a variable for the red data so I don't have to type that every time + int green = RGB_data[2]; //sets a variable for the blue data so I don't have to type that every time + int blue = RGB_data[3]; //sets a variable for the green data so I don't have to type that every time + + if ( (abs((1.6822*red + 15.609)-light) < 10) && (abs((4.2525*green - 37.993)-light) < 10) && (abs((6.5565*blue - 44.793 )-light) < 10) ) { + colorcount[0] += 1; //car is in red + L.speed(0.0); + R.speed(0.2); + } + + if ( (abs((3.7757*red - 134.86)-light) < 10) && (abs((3.4282*green - 8.791 )-light) < 10) && (abs((2.5685*blue + 63.205)-light) < 10) ) { + colorcount[1] += 1; //car is in blue + R.speed(0.5); + L.speed(0.5); + } + + if ( (abs((3.8225*red - 138.09)-light) < 10) && (abs((2.1032*green + 39.654)-light) < 10) && (abs((5.3619*blue - 2.7884)-light) < 10) ) { + colorcount[2] += 1; //car is in green + L.speed(0.2); + R.speed(0.0); + } + } + if (colorcount[0] >= 7) { //data reads in the red + pc.printf("Making a right turn. \n"); //print to tera term + + } + if (colorcount[1] >= 7) { //data reads in the blue + pc.printf("Driving straight. \n"); //print to tera term + + } + if (colorcount[2] >= 7) { //data reads in the green + pc.printf("Making a left turn. \n"); //print to tera term + + } + + + } + +} \ No newline at end of file