Code for Sprint 2
Dependencies: C12832 mbed rtos RangeFinder
main.cpp@8:fe434a018d96, 2015-04-13 (annotated)
- Committer:
- Soldier7
- Date:
- Mon Apr 13 12:43:43 2015 +0000
- Revision:
- 8:fe434a018d96
- Parent:
- 7:24d62ef1ed34
- Child:
- 10:ca6f2769964e
- Child:
- 12:f6d4980c48d6
Last changes before break.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Soldier7 | 0:5edc27224a37 | 1 | #include "mbed.h" |
Soldier7 | 0:5edc27224a37 | 2 | #include "rtos.h" |
Soldier7 | 0:5edc27224a37 | 3 | #include "Servo.h" |
Soldier7 | 0:5edc27224a37 | 4 | #include "C12832.h" |
Soldier7 | 8:fe434a018d96 | 5 | Servo sPan(p21); |
Soldier7 | 7:24d62ef1ed34 | 6 | Servo sTilt(p22); |
Soldier7 | 0:5edc27224a37 | 7 | Serial pc(USBTX, USBRX); |
Soldier7 | 8:fe434a018d96 | 8 | Servo sVert(p23); |
Soldier7 | 8:fe434a018d96 | 9 | Sonar distance(p24); |
Soldier7 | 0:5edc27224a37 | 10 | Mutex mutexIn; |
Soldier7 | 0:5edc27224a37 | 11 | Mutex mutexOut; |
Soldier7 | 4:70090f3b1f07 | 12 | |
Soldier7 | 4:70090f3b1f07 | 13 | AnalogIn p1(p19); |
Soldier7 | 4:70090f3b1f07 | 14 | AnalogIn p2(p20); |
Soldier7 | 0:5edc27224a37 | 15 | |
Soldier7 | 8:fe434a018d96 | 16 | // Global variables |
Soldier7 | 8:fe434a018d96 | 17 | float corHoriz; // horizontal variable arrives from OpenCV |
Soldier7 | 8:fe434a018d96 | 18 | float corVert; // vertical variable arrives from OpenCV |
Soldier7 | 8:fe434a018d96 | 19 | float distance; // distance measured by the sonar |
Soldier7 | 8:fe434a018d96 | 20 | float outVert; // rr |
Soldier7 | 8:fe434a018d96 | 21 | float outTilt; |
Soldier7 | 8:fe434a018d96 | 22 | float outHoriz; |
Soldier7 | 0:5edc27224a37 | 23 | C12832 lcd(p5, p7, p6, p8, p11);// lcd is an object from class c12832 initialised by p5,p7.... |
Soldier7 | 0:5edc27224a37 | 24 | |
Soldier7 | 0:5edc27224a37 | 25 | /* Thread Serial 1 - handles the output data from the control thread, and pass to the servo. |
Soldier7 | 0:5edc27224a37 | 26 | @update s1, s2 */ |
Soldier7 | 0:5edc27224a37 | 27 | void serial_thread(void const *args) { |
Soldier7 | 0:5edc27224a37 | 28 | while (true) { |
Soldier7 | 0:5edc27224a37 | 29 | mutexIn.lock(); |
Ali_taher | 2:b109a4eb9b0d | 30 | // pc.gets(cordinates,4); |
Ali_taher | 2:b109a4eb9b0d | 31 | // cordinates = pc.putc(pc.getc()); |
Soldier7 | 4:70090f3b1f07 | 32 | pc.scanf("%s \n %s \n ",corHoriz,corVert);// read from serial port the data |
Soldier7 | 0:5edc27224a37 | 33 | mutexIn.unlock(); |
Soldier7 | 0:5edc27224a37 | 34 | Thread::wait(200); |
Soldier7 | 0:5edc27224a37 | 35 | } |
Soldier7 | 0:5edc27224a37 | 36 | } |
Soldier7 | 0:5edc27224a37 | 37 | |
Soldier7 | 0:5edc27224a37 | 38 | /* Thread LCD 2 - handles the input data from the sonar sensor, and display on the LCD screen. |
Soldier7 | 0:5edc27224a37 | 39 | @update inData */ |
Soldier7 | 0:5edc27224a37 | 40 | void lcd_thread(void const *args) { |
Soldier7 | 0:5edc27224a37 | 41 | while (true) { |
Soldier7 | 0:5edc27224a37 | 42 | mutexIn.lock(); |
Soldier7 | 0:5edc27224a37 | 43 | mutexOut.lock(); |
Soldier7 | 0:5edc27224a37 | 44 | // Display values on the LCD screen |
Soldier7 | 0:5edc27224a37 | 45 | lcd.cls(); // clear the display |
Soldier7 | 4:70090f3b1f07 | 46 | lcd.locate(0,5); // the location where you want your charater to be displayed |
Soldier7 | 4:70090f3b1f07 | 47 | lcd.printf("Hor:%s",corHoriz); |
Ali_taher | 3:3d53799c2f18 | 48 | lcd.locate(0,20); // the location where you want your charater to be displayed |
Soldier7 | 4:70090f3b1f07 | 49 | lcd.printf("Ver%s", corVert); |
Soldier7 | 0:5edc27224a37 | 50 | mutexIn.unlock(); |
Soldier7 | 0:5edc27224a37 | 51 | mutexOut.unlock(); |
Soldier7 | 0:5edc27224a37 | 52 | Thread::wait(25); |
Soldier7 | 0:5edc27224a37 | 53 | } |
Soldier7 | 0:5edc27224a37 | 54 | } |
Soldier7 | 0:5edc27224a37 | 55 | |
Soldier7 | 0:5edc27224a37 | 56 | /* Thread Control 3 - handles the input data from the sonar sensor, and display on the LCD screen. |
Soldier7 | 0:5edc27224a37 | 57 | @update inData */ |
Soldier7 | 0:5edc27224a37 | 58 | void control_thread(void const *args) { |
Soldier7 | 0:5edc27224a37 | 59 | while (true) { |
Soldier7 | 0:5edc27224a37 | 60 | mutexIn.lock(); |
Soldier7 | 8:fe434a018d96 | 61 | float differ; |
Soldier7 | 8:fe434a018d96 | 62 | differ = exp(corVert + sonar * outTilt) / (1 + exp(corVert + sonar * outTilt)); |
Soldier7 | 7:24d62ef1ed34 | 63 | if (corVert > .5) { // check if face is below the half of the camera view |
Soldier7 | 8:fe434a018d96 | 64 | if (outTilt > .5) { // check if lamp head is facing down |
Soldier7 | 8:fe434a018d96 | 65 | // moves lamp down by the fraction of the difference from the middle |
Soldier7 | 0:5edc27224a37 | 66 | mutexIn.unlock(); |
Soldier7 | 0:5edc27224a37 | 67 | Thread::wait(25); |
Soldier7 | 0:5edc27224a37 | 68 | } |
Soldier7 | 0:5edc27224a37 | 69 | } |
Soldier7 | 0:5edc27224a37 | 70 | |
Soldier7 | 0:5edc27224a37 | 71 | /* Thread Servo 4 - handles the output data from the control thread, and pass to the servo. |
Soldier7 | 0:5edc27224a37 | 72 | @update s1, s2 */ |
Soldier7 | 0:5edc27224a37 | 73 | void servo_thread(void const *args) { |
Soldier7 | 0:5edc27224a37 | 74 | while (true) { |
Soldier7 | 0:5edc27224a37 | 75 | mutexOut.lock(); |
Soldier7 | 8:fe434a018d96 | 76 | sTi1t = outTilt; |
Soldier7 | 8:fe434a018d96 | 77 | sPan = outHoriz; |
Soldier7 | 8:fe434a018d96 | 78 | sVert = outVert; |
Soldier7 | 0:5edc27224a37 | 79 | mutexOut.unlock(); |
Soldier7 | 0:5edc27224a37 | 80 | Thread::wait(200); |
Soldier7 | 0:5edc27224a37 | 81 | } |
Soldier7 | 0:5edc27224a37 | 82 | } |
Soldier7 | 0:5edc27224a37 | 83 | |
Soldier7 | 0:5edc27224a37 | 84 | int main() { |
Soldier7 | 0:5edc27224a37 | 85 | Thread thread_1(serial_thread); // Start Serial Thread |
Soldier7 | 0:5edc27224a37 | 86 | Thread thread_2(lcd_thread); // Start LCD Thread |
Soldier7 | 0:5edc27224a37 | 87 | Thread thread_3(control_thread); // Start Control Thread |
Soldier7 | 0:5edc27224a37 | 88 | Thread thread_4(servo_thread); // Start Servo Thread |
Soldier7 | 0:5edc27224a37 | 89 | while(1) { |
Soldier7 | 0:5edc27224a37 | 90 | Thread::wait(10); |
Soldier7 | 0:5edc27224a37 | 91 | } |
Soldier7 | 0:5edc27224a37 | 92 | } |