Code for Sprint 2
Dependencies: C12832 mbed rtos RangeFinder
Diff: main.cpp
- Revision:
- 13:4ef3d9835b13
- Parent:
- 10:ca6f2769964e
- Parent:
- 12:f6d4980c48d6
- Child:
- 14:74733a28eb80
--- a/main.cpp Mon Apr 13 13:01:02 2015 +0000 +++ b/main.cpp Mon Apr 13 13:19:24 2015 +0000 @@ -10,30 +10,29 @@ AnalogIn sonar(p19); Mutex mutexIn; Mutex mutexOut; - -AnalogIn p1(p19); -AnalogIn p2(p20); // Global variables float corHoriz = 0; // horizontal variable arrives from OpenCV float corVert = 0; // vertical variable arrives from OpenCV float distance = 0; -float outVert; // rr +float outVert; // float outTilt; float outHoriz; C12832 lcd(p5, p7, p6, p8, p11);// lcd is an object from class c12832 initialised by p5,p7.... /* Thread Serial 1 - handles the output data from the control thread, and pass to the servo. @update s1, s2 */ -void serial_thread(void const *args) { +void serial_thread(void const *args) +{ while (true) { pc.scanf("%f,%f", &corHoriz, &corVert);// read from serial port the data } } - + /* Thread LCD 2 - handles the input data from the sonar sensor, and display on the LCD screen. @update inData */ -void lcd_thread(void const *args) { +void lcd_thread(void const *args) +{ while (true) { // Display values on the LCD screen lcd.cls(); // clear the display @@ -47,24 +46,35 @@ /* Thread Control 3 - handles the input data from the sonar sensor, and display on the LCD screen. @update inData */ -void control_thread(void const *args) { +void control_thread(void const *args) +{ while (true) { mutexIn.lock(); float differ; differ = exp(corVert + sonar * outTilt) / (1 + exp(corVert + sonar * outTilt)); - if (corVert > .5) { // check if face is below the half of the camera view - if (outTilt > .5) { // check if lamp head is facing down - // moves lamp down by the fraction of the difference from the middle - } + if (corVert > .45) { // check if face is below the half of the camera view + if (outTilt > .45) { // check if lamp head is facing down + // moves lamp down by the fraction of the difference from the middle + outVert = outVert + + outTilt = outTilt + + } else if (outTilt < .55) { // check if lamp head is facing up + // + } + } else if (corVert < .55) { + // moves lamp up by the fraction of the difference from the middle } mutexIn.unlock(); Thread::wait(25); } + mutexIn.unlock(); + Thread::wait(25); +} } /* Thread Servo 4 - handles the output data from the control thread, and pass to the servo. @update s1, s2 */ -void servo_thread(void const *args) { +void servo_thread(void const *args) +{ while (true) { mutexOut.lock(); tiltServo = outTilt; @@ -75,7 +85,8 @@ } } -int main() { +int main() +{ Thread thread_1(serial_thread); // Start Serial Thread Thread thread_2(lcd_thread); // Start LCD Thread Thread thread_3(control_thread); // Start Servo Thread