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Code to work with stadium.
Dependencies: 4DGL-uLCD-SE mbed-rtos mbed
Fork of StadiumHelper by
main.cpp
- Committer:
- nambvarun
- Date:
- 2016-05-01
- Revision:
- 1:2f7eee3b65ee
- Parent:
- 0:0927a4a6f549
File content as of revision 1:2f7eee3b65ee:
#include "mbed.h" #include "uLCD_4DGL.h" #include <iostream> #include <stdio.h> #include <stdlib.h> #include "rtos.h" DigitalOut myled(LED1); DigitalOut myled2(LED2); DigitalOut SSR(p20); #include "emic2.h" uLCD_4DGL uLCD(p28, p27, p29); emic2 myTTS(p9, p10); //serial RX,TX pins to emic //uLCD_4DGL uLCD(p28, p27, p29); Serial pc(p13, p14); //this is the xbee //Serial pc(USBTX, USBRX); //this is a computer connected to the mbed for testing purposes Mutex m; InterruptIn zerocross(p22); Timeout SSRtriggerOn; volatile float dim; volatile float saveDim; const float powerlinefrequency=60.000; void triggerOn() { SSR = 1; } void dimmer() { // turn off SSR at zero crossing SSR = 0; // compute time delay using dim value and set timer interrupt // triggers SSR after a small post zero crossing time delay SSRtriggerOn.attach(&triggerOn,(1.001 - dim)/(2*powerlinefrequency)); } class TMP36 { public: TMP36(PinName pin); TMP36(); float read(); private: //class sets up the AnalogIn pin AnalogIn _pin; }; TMP36::TMP36(PinName pin) : _pin(pin) {} //This is an initializer list … more to come in class // _pin(pin) means pass pin to the AnalogIn constructor float TMP36::read() { //convert sensor reading to temperature in degrees C return ((_pin.read()*3.3)-0.500)*100.0; } TMP36 myTMP36(p15); void ttsThread(void const *args) { printf("starting up\n\r"); myTTS.volume(18); //max volume string sentence; char letter; /* Whlie there is stuff in the buffer, continue to take characters out of the buffer and append it to the char array sentence When hit with a punctuation, send to TTS module If we see an *, which is sent by the toggle button, toggle the lamp. Erase sentence when finished with a command Need mutex so serial communications don't interrupt each other. */ bool on = true; while(1) { if(pc.readable()){ m.lock(); myled2 = 1; int a = pc.getc(); myled2 = 0; letter = (char)a; sentence = sentence + letter; if(letter == '!' || letter == '.' || letter == '?') { sentence = "S" + sentence + "\r"; myTTS.speakf("%s", sentence); myTTS.ready(); sentence = ""; // } else if (letter == '*') { // dim = 0; // wait(0.5); // myled = !myled; // sentence = ""; } else if (letter == '#') { while(!pc.readable()){ } a = pc.getc(); letter = (char)a; float b = (float)letter - 48; dim = b * 0.1; wait(.05); sentence = ""; } m.unlock(); } Thread::wait(1); } } int main() { zerocross.mode(PullNone); wait(0.2); zerocross.rise(&dimmer); Thread thread1(ttsThread); float tempC, tempF; int blue, red, color; while(1) { tempC = myTMP36.read(); //convert to degrees F tempF = (9.0*tempC)/5.0 + 32.0; //print current temp uLCD.cls(); red = (tempF) * 2.55; (red <= 0 ? red = 0 : red = red); (red >= 255 ? red = 255 : red = red); blue = 255 - red; red = red << 16; color = red + blue; uLCD.color(color); m.lock(); //send through xbee to pc pc.printf("%f\n", tempC); //send through usb for debugging // pc2.printf("%f\n\r", tempC); uLCD.printf("%5.2f C \n\n%5.2f F \n\r\n", tempC, tempF); if(tempF < 32) { uLCD.printf("It's cold!"); } else if (tempF < 50) { uLCD.printf("It's a little\nchilly!"); } else if (tempF < 70) { uLCD.printf("It's not bad out,\nenjoy the day!"); } else if (tempF < 85) { uLCD.printf("Ahh room\ntemperature!"); } else { uLCD.printf("It's pretty hot!"); } m.unlock(); Thread::wait(500); } }