Xbee robot with telemetry, controller code

Dependencies:   4DGL-uLCD-SE DebounceIn PinDetect mbed-rtos mbed

Fork of LED_RTOS by jim hamblen

Files at this revision

API Documentation at this revision

Comitter:
yhbyhb4433
Date:
Fri Apr 29 19:08:24 2016 +0000
Parent:
0:9439ccb44422
Commit message:
Xbee robot with telemetry_controller code;

Changed in this revision

4DGL-uLCD-SE.lib Show annotated file Show diff for this revision Revisions of this file
DebounceIn.lib Show annotated file Show diff for this revision Revisions of this file
PinDetect.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
diff -r 9439ccb44422 -r 2c67639795a4 4DGL-uLCD-SE.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/4DGL-uLCD-SE.lib	Fri Apr 29 19:08:24 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/4180_1/code/4DGL-uLCD-SE/#2cb1845d7681
diff -r 9439ccb44422 -r 2c67639795a4 DebounceIn.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DebounceIn.lib	Fri Apr 29 19:08:24 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/AjK/code/DebounceIn/#31ae5cfb44a4
diff -r 9439ccb44422 -r 2c67639795a4 PinDetect.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PinDetect.lib	Fri Apr 29 19:08:24 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/AjK/code/PinDetect/#cb3afc45028b
diff -r 9439ccb44422 -r 2c67639795a4 main.cpp
--- a/main.cpp	Fri Nov 28 18:00:06 2014 +0000
+++ b/main.cpp	Fri Apr 29 19:08:24 2016 +0000
@@ -1,75 +1,128 @@
+
 #include "mbed.h"
+#include "DebounceIn.h"
+#include "PinDetect.h"
+#include "uLCD_4DGL.h"
 #include "rtos.h"
-DigitalOut myled(LED1);
-PwmOut myled2(LED2);
-PwmOut myled3(LED3);
-PwmOut myled4(LED4);
+
+Ticker flipper;
+uLCD_4DGL uLCD(p13,p14,p28); // serial tx, serial rx, reset pin;
+Serial xbee1(p9, p10);
+DigitalOut rst1(p11);
+DebounceIn forward(p16);
+DebounceIn left(p17);
+DebounceIn reverse(p18);
+DebounceIn right(p24);
+//forward   16
+//left      17
+//reverse   18
+//right     19
+
+Serial pc(USBTX, USBRX);
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+Mutex xbee_lock;
+Mutex uLCD_lock;
+int a;
+volatile int voltage;
+volatile int distance;
 
-inline float random_number(){
-    return (rand()/(float(RAND_MAX)));
+
+void read_battery()
+{
+
+    xbee1.putc(15);
+    //if (xbee1.readable()) {
+        uLCD_lock.lock();
+        voltage = xbee1.getc();
+        uLCD_lock.unlock();
+    //}
+    //pc.printf("voltage: %i\n",voltage);
 }
- 
-void beacon(void const *args){
+
+void read_distance()
+{
+    xbee1.putc(16);
+    //if (xbee1.readable()) {
+        uLCD_lock.lock();
+        distance = xbee1.getc();
+        uLCD_lock.unlock();
+    //}
+    //pc.printf("distance: %i\n",distance);
+}
+void display_distance(void const *args)
+{
     while(1) {
-        //LED warm up effect using PWM
-        for(int i=0; i<50; i++) {
-            myled2 = i/50.0;
-            Thread::wait(1000.0*0.02);
-        }
-        //LED at full brightness level
-        myled2 = 1.0;
-        Thread::wait(1000.0*0.25);
-        //LED cool down effect using PWM
-        for(int i=49; i>0; i--) {
-            myled2 = i/50.0;
-            Thread::wait(1000.0*0.02);
-        }
-        //LED off
-        myled2 = 0.0;
-        Thread::wait(1000.0*1.5);
-    }
-}
-void welding(void const *args) {
-    float x = 0.0;
-    while(1) {
-        //get a new random number for PWM
-        x = random_number();
-        //add some exponential brightness scaling
-        //for more of a fast flash effect
-        myled3 = x*x*x;
-        //fast update rate for welding flashes
-        Thread::wait(1000.0*0.02);
-        //add a random pause between welds
-        if (random_number()>0.9925) {
-            myled3 = 0.0;
-            Thread::wait(1000.0*4.0*random_number());
-        }
+
+        uLCD_lock.lock();
+        uLCD.locate(1,5);
+        float temp = float(1/(float(distance)/232*3.3))*30.53-2.64;
+        uLCD.printf("%3.3fcm",temp);
+        uLCD_lock.unlock();
+        //pc.printf("%i\n",distance);
+        Thread::wait(300);
+
     }
 }
 
-void lighthouse(void const *args){
-    float y=0.0;
+void display_battery(void const *args)
+{
     while(1) {
-        for(double x=0.0; x <= 3.14159; x = x + 0.0314159) {
-            y = sin(x); //nice periodic function 0..1..0
-            myled4 = y*y*y;//exponential effect - needs a sharp peak
-            Thread::wait(1000.0*.025);
-        }
-        myled4 = 0.0;
-        //most lighthouses have a 5 second delay - so add another 2.5
-        Thread::wait(1000.0*2.5);
+        uLCD_lock.lock();
+        uLCD.locate(1,3);
+        uLCD.printf("%2.2fV",float(voltage)/232*3.3*2);
+        //pc.printf("%i\n",voltage);
+        uLCD_lock.unlock();
+        Thread::wait(300);
     }
 }
 
-int main() {
-    Thread thread2(beacon);
-    Thread thread3(welding);
-    Thread thread4(lighthouse);
-    //main runs standard LED blink demo
-    while(1) {
-        myled = 1;
-        Thread::wait(1000.0*0.2);
-        myled = 0;
-        Thread::wait(1000.0*0.2);
+int main()
+{
+    forward.mode(PullUp);
+    reverse.mode(PullUp);
+    left.mode(PullUp);
+    right.mode(PullUp);
+
+    // reset the xbees (at least 200ns)
+    rst1 = 0;
+    wait_ms(100);
+    rst1 = 1;
+    wait_ms(100);
+    uLCD.baudrate(3000000);
+    uLCD.cls();
+    wait(.01);
+    uLCD.locate(1,2);
+    uLCD.printf("Battery:\n");
+    uLCD.locate(1,4);
+    uLCD.printf("Distance:\n");
+    //Thread thread2(read_distance);
+    //Thread thread3(read_battery);
+    Thread thread4(display_distance);
+    Thread thread5(display_battery);
+
+    //led1=1;
+    //}
+    while (1) {
+        if (forward==0) {
+            led1 = 1;
+            xbee1.putc(11);
+        } else if (reverse==0) {
+            led3 = 1;
+            xbee1.putc(12);
+        } else if (left==0) {
+            led2 = 1;
+            xbee1.putc(13);
+        } else if (right == 0) {
+            led4 = 1;
+            xbee1.putc(14);
+        } else {
+            xbee1.putc(0);
+            led1=led2=led3=led4=0;
+        }
+        read_distance();
+        read_battery();
     }
-}
+}
\ No newline at end of file