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Dependencies: mbed
Diff: main.cpp
- Revision:
- 10:2970279fce70
- Parent:
- 9:92895704e1a4
- Child:
- 22:2475678363d5
diff -r 92895704e1a4 -r 2970279fce70 main.cpp
--- a/main.cpp Thu Mar 12 14:44:56 2015 +0000
+++ b/main.cpp Fri Mar 13 10:20:18 2015 +0000
@@ -1,93 +1,30 @@
#include "mbed.h"
-Serial blue(PTC4,PTC3);
-
//motor select pins
DigitalOut motor_lf(PTE2);
DigitalOut motor_lb(PTE3);
DigitalOut motor_rf(PTE4);
DigitalOut motor_rb(PTE5);
-
-DigitalIn input(PTC1); //input from sensor array
-DigitalOut Line_right(LED_GREEN);//no line detected
-//DigitalOut blue(LED_BLUE);
-
-BusOut sensor(PTD7,PTE1,PTE0);//multiplex sensors
-AnalogOut level(PTE30);//set comparator level needs to be tuned for each sensor (could create program)
-
-
//Frequency of Pulse Width Modulated signal in Hz
#define PWM_FREQ 1000
//PWM pin (Enable 1 and 2)
-PwmOut motor_l (PTC2);
-PwmOut motor_r (PTE29);
+PwmOut motor_r (PTC2);
+PwmOut motor_l (PTE29);
//LED to test
DigitalOut led(LED_RED);
-void sensor_select(int x)//converts int to hex for display
-{
- switch(x) {
- case 0:
- sensor = 0x2;
- break;
- case 1:
- sensor = 0x1;
- break;
- case 2:
- sensor = 0x0;
- break;
- case 3:
- sensor = 0x3;
- break;
- case 4:
- sensor = 0x5;
- break;
- case 5:
- sensor = 0x7;
- break;
- case 6:
- sensor = 0x6;
- break;
- case 7:
- sensor = 0x4;
- break;
- }
-
-}
-int sensor_read()
-{
- int val=0;
- int x = 0;
-
- //static int values[8];
- for(x = 0; x <= 3; x++ ) { //why 3? Don't you want to select through 8 sensors therefore x<=7?
- sensor_select(x);
- //blue = !blue;
- wait(0.1);
-
- if (input == 1) {
- val=val+2^x; //could you comment on what this is for?
- } else {
- val=val;//+2^x;
- }
- }
- blue.printf("%i\n",val);
- return val;
-}
-
+//Bluetooth Module to debug
+Serial blue(PTC4,PTC3);
void set_direction( int direction, float duty_l, float duty_r)
{
-
-
- // float r_result = (speed + angle); //where angle can be postive and negative and will TURN the robot
- // float l_result = (speed - angle); //if turning left, you'd make the angle postive (right motor goes faster left motor goes slwoer)
+ blue.printf("I've been given %i, %f, %f\n", direction, duty_l, duty_r);
switch( direction ) {
case 0x11: { //forward
- motor_r.write( duty_r);
+ motor_r.write( duty_r);
//Look up ternary statements -- {condition ? value_if_true : value_if_false} This makes 0<result<1
motor_l.write( duty_l);
@@ -95,6 +32,8 @@
motor_rb=0;
motor_lf=1;
motor_lb=0;
+ blue.printf("I'm going forwards, r_motor duty is %f ; l_motor duty is %f\n", duty_r, duty_l);
+ break;
}
case 0x00: { //backward
motor_r.write( duty_r);
@@ -104,6 +43,9 @@
motor_rb=1;
motor_lf=0;
motor_lb=1;
+ blue.printf("I'm going backwards, r_motor duty is %f ; l_motor duty is %f\n", duty_r, duty_l);
+ break;
+
}
case 0x01: { //spin left -- Right forward, left backward
motor_r.write( duty_r);
@@ -113,6 +55,9 @@
motor_rb=0;
motor_lf=0;
motor_lb=1;
+ blue.printf("I'm spinning left, r_motor duty is %f ; l_motor duty is %f\n", duty_r, duty_l);
+ break;
+
}
case 0x10: { //spin right
motor_r.write( duty_r);
@@ -122,97 +67,76 @@
motor_rb=1;
motor_lf=1;
motor_lb=0;
+ blue.printf("I'm spinning right, r_motor duty is %f ; l_motor duty is %f\n", duty_r, duty_l);
+ break;
+
}
}
}
-void change_direction( int sensor_values) //right hand sensors only
-{
- //Line_right = !Line_right;
- switch( sensor_values ) {
- case 0x00: { //no lines robot is lost!!!!
- set_direction(0x00, 1.0, 1.0);
- wait(1);
- break;
- }
- case 0x01: { //to far left turn right 0001
- set_direction(0x11, 0.0, 1.0); //this doesn't turn right; this goes straight at half speed
- wait(1);
- Line_right = !Line_right;
- break;
+void manual_mode(){
+ int direction = 0x11;
+ unsigned char rem_dir; //remote_direction
+
+ while(1) {
+
+
+ wait(1);
+ blue.printf("Gees a Direction\n f for forward both, b for backward both, r for spin right (clockwise), l for spin left (anti-clockwise) .. etc. \nDON'T PUT IT IN UPPERCASE PLS\n");
+
+ while ( blue.readable()==0 ) {} // loops until there is an input from the user
+
+ //for(int i=0; i<2; i++) {
+ rem_dir = blue.getc(); //Store incoming response into array
+ //}
+
+ blue.printf("Thanks, calculating it now, you entered %c\n",rem_dir);
+ if( ( rem_dir == 'f') ) {
+ direction = 0x11;
+ blue.printf("You wanted to go straight\n");
}
- case 0x02: { //left turn right 0010
- set_direction(0x11, 0, 0.5);
- wait(1);
- break;
- }
- case 0x03: { //far left turn right 0011
- set_direction(0x11, 0.0, 0.0);
- wait(1);
- break;
- }
- case 0x4: { //right turn left 0100
- set_direction(0x11, 0.5, 0.0);
- wait(1);
- break;
- }
- case 0x5: { //unknown ** 0101
- set_direction(0x11, 0.0, 0.0);
- break;
- }
- case 0x6: { //perfect 0110
- set_direction(0x00, 1.0, 1.0);
- wait(1);
- break;
+ if ( (rem_dir == 'b' ) ) {
+
+ direction = 0x00;
+ blue.printf("You wanted to go backwards\n");
}
- case 0x7: {//corner junction or plate 0111
- set_direction(0x00, 0.0, 0.0);
- wait(1);
- break;
+ if ( (rem_dir == 'l' ) ) {
+
+ direction = 0x01;
+ blue.printf("You wanted to spin anti-clockwise\n");
+
}
- case 0x8: {//to far right turn left 1000
- set_direction(0x11, 1.0, 0.0);
- wait(1);
- break;
- }
- case 0x9: { //unknown 1001
- set_direction(0x11, 0.0, 0.0);
- wait(1);
- break;
- }
- case 0xA: { //unknown 1010
- set_direction(0x11, 0.0, 0.0);
- break;
+ if ( (rem_dir == 'r' ) ) {
+
+ direction = 0x10;
+ blue.printf("You wanted to spin clockwise\n");
}
- case 0xB: { //unknown 1011
- set_direction(0x11, 0.0, 0.0);
- wait(1);
- break;
- }
- case 0xC: { //far right turn left 1100
- set_direction(0x00, 0.0, 0.0);
- wait(1);
- break;
- }
- case 0xD: { //unknown 1101
- set_direction(0x11, 0.0, 0.0);
- break;
- }
- case 0xE: { //corner or plate 1110
- set_direction(0x00, 0.0, 0.0);
- wait(1);
- break;
- }
- case 0xF: { //corner 1111
- set_direction(0x11, 0.0, 0.0);
- wait(1);
- break;
- }
+ if (rem_dir =='s') {
+
+ motor_r.write(0);
+ motor_l.write(0);
+ blue.printf("STAAAAHP\n");
+ }else{
+ wait(0.1);
+ blue.printf("What duty left?\n");
+ while ( blue.readable()==0 ) {} // loops until there is an input from the user
+ char l_speed = blue.getc();
+ wait(0.1);
+ blue.printf("What duty right?\n");
+ while ( blue.readable()==0 ) {} // loops until there is an input from the user
+ char r_speed = blue.getc();
+ wait(0.1);
+ int l_result = l_speed - '0';
+ int r_result = r_speed - '0';
+ set_direction(direction, (float)l_result/10, (float)r_result/10);
+ }
+
+
}
-}
+
+ }
int main()
{
- level = 0.3; //Analogout Level for black line into comparator
//Set PWM frequency to 1000Hz
motor_l.period( 1.0f / (float) PWM_FREQ);
motor_r.period( 1.0f / (float) PWM_FREQ);
@@ -221,43 +145,146 @@
motor_rb=0;
motor_lf=0;
motor_lb=0;
+ while(1){
+ manual_mode();
+ }
- while(1) {
- /* NOT WORKING?!?!?!
-
- led = !led;
- set_direction(0x11, 1.0,1.0);//forward full speed
- wait(4);
- led = !led;
- set_direction(0x11, 0.5 ,0); //forward left half
- wait(4);
- led = !led;
- set_direction(0x11, 0 ,0.5); //forward right half
- wait(4);
- led = !led;
- set_direction(0x00, 0 ,0); //stop
- wait(4);
- led = !led;
- set_direction(0x00, 1.0 ,1.0); //backward full speed
- wait(4);
- led = !led;
- set_direction(0x00, 0.5 ,0);
- wait(4);
- led = !led;
- set_direction(0x00, 0 ,0.5);
-
- */
-
- //Sensor Code + Motor Test
- //int values = 0;
- //values = sensor_read();
+ /* //Also Working Demo
+ wait(2);
+ led = !led;
+ set_direction(0x11, 0.5, 0); //This would set the robot to go forward, at half speed, straight
+
+ wait(2);
+ led = !led;
+ set_direction(0x11, 0.8, 0.2); //this would set robot to go forward, at 100% to the right and 60% to the left (turn right)
+
+ wait(2);
+ led = !led;
+ set_direction(0x00, 0.3, 0.7); //robot back, 100% rightmotor; 0%left (technically -40%, but 0% is min)
+
+ wait(2);
+ led = !led;
+ set_direction(0x11, 0.5, 0.5); // robot pivots forward, to the right, full speed (100% duty right ; 0% duty left)
+
+ wait(2);
+ led = !led;
+ set_direction(0x11, 0.5, -0.5); //robot pivots forward, to the left, full speed (0% duty right ; 100% duty left)
+
+ wait(2);
+ led = !led;
+ set_direction(0x11, 0.3, 0.5); //robot pivots forard, to the right , at 80% speed (80% right; 0% left)
+
+ wait(2);
+ led = !led;
+ set_direction(0x11, -0.3, 0.5); //robot pivotrs foward, to the right, AT 20% SPEED (20%, 0%)
+
+ wait(2);
+ led = !led;
+ set_direction(0x10, 0.5, 0); //robot spins to teh right, at half speed. Left forward 50% ; Right forward 50%
+
+ wait(2);
+ led = !led;
+ set_direction(0x10, 0.5, 0.3); //robot spins to the right, 80% right forward ; 20% left backward
+
+ }*/
+
+
+ /* // working demo
+
+ while(1) { //infinite loop
+ //***********************************************
+ myled = !myled;
+
+ //Set duty cycle at 100% AKA Full Speed
+ motor_r.write(1.0);
+ motor_l.write(1.0);
- //change_direction(values);
+ motor_rf=1;
+ motor_rb=0;
+ motor_lf=1;
+ motor_lb=0; //go forwards
+ wait(2);
+ //**************************************
+ myled = !myled;
+
+ motor_r.write(0.75);
+ motor_l.write(0.75);
+
+ motor_rf=1;
+ motor_rb=0;
+ motor_lf=1;
+ motor_lb=0; //go forwards
+ //
+ wait(2);
+
+ myled = !myled;
+
+ motor_r.write(0.5);
+ motor_l.write(0.5);
- }
-}
+ motor_rf=1;
+ motor_rb=0;
+ motor_lf=1;
+ motor_lb=0;
+
+
+ wait(2);
+ myled = !myled;
+
+ motor_r.write(0.30);
+ motor_l.write(0.30);
+
+ motor_rf=1;
+ motor_rb=0;
+ motor_lf=1;
+ motor_lb=0;
+
+ wait(2);
+
+ myled = !myled;
+ motor_r.write(1.0);
+ motor_l.write(1.0);
+
+ motor_rf=0;
+ motor_rb=1;
+ motor_lf=0;
+ motor_lb=1; //go backwards
+ //
+ wait(2);
+ myled = !myled;
+ motor_r.write(0.5);
+ motor_l.write(0.5);
+
+ motor_rf=0;
+ motor_rb=0;
+ motor_lf=0;
+ motor_lb=1; //
+
+ wait(2);
+ myled = !myled;
+
+ motor_rf=0;
+ motor_rb=1;
+ motor_lf=0;
+ motor_lb=0; //reverse turn
+
+ wait(2);
+
+ myled = !myled;
+ motor_r.write(0.5);
+ motor_l.write(1.0);
+
+ motor_rf=1;
+ motor_rb=0;
+ motor_lf=1;
+ motor_lb=0; //go forwards
+ //
+ wait(4);
+ }*/
+
+}