main.cpp

00001 /*Includes*/
00002 #include "mbed.h"
00003 #include "DHT.h"
00004 #include "WS2812.h"
00005 #include "PixelArray.h"
00006 
00007 /*Defines*/
00008 /*4x4 RGB*/
00009 #define WS2812_BUF 16 // W2812_BUFF >/= NUM_COLORS * NUM_LEDS
00010 #define NUM_COLORS 6
00011 #define NUM_LEDS 16
00012 
00013 /*Pins*/
00014 #define tRF_TX (PA_0)
00015 #define tRF_RX (PA_1)
00016 
00017 #define smoke_pin (PB_0)
00018 #define humidity_pin (PA_4)
00019 /*Smoke detector*/
00020 #define smoke_thresh (0.50f)
00021 
00022 /*Where to do a print for debug?*/
00023 Serial pc(SERIAL_TX, SERIAL_RX, 115200);
00024 
00025 /*Init tRF*/
00026 void init_tRF(Serial* trf){
00027     //tRF go to config mode
00028     trf->printf("+++");
00029     wait(0.05);
00030     trf->printf("ATR\r");
00031     // Freq
00032     trf->printf("ATS206=12\r");
00033     // Channel
00034     trf->printf("ATS200=3\r");
00035     // Speed transmit uart
00036     trf->printf("ATS210=5\r");
00037     // Radio baud
00038     trf->printf("ATS201=3\r");
00039     // Go to send mode
00040     trf->printf("ATO\r");
00041 }
00042 /*End tRF init*/
00043 
00044 /*Scream*/
00045 void tRFScream(Serial* trf,WS2812* ws, PixelArray* px) {
00046     for (int z=0; z<WS2812_BUF; z++) // Color updated from Top to Bottom
00047 //        for (z=WS2812_BUF; z>=0; z--) // Color updated from Bottom to Top        
00048     {
00049         ws->write_offsets(px->getBuf(),z,z,z);
00050     }
00051     while(1){
00052         trf->printf("UUUUUUUU");
00053     }
00054 }
00055 /*End Scream*/
00056 
00057  /*Get some humi data*/
00058 void doDHT(DHT* sensor){
00059     int err;
00060     err = sensor->readData();
00061     if (err == 0) {
00062         pc.printf("Temperature is %4.2f C \r\n",sensor->ReadTemperature(CELCIUS));
00063         pc.printf("Humidity is %4.2f \r\n",sensor->ReadHumidity());
00064         pc.printf("Dew point is %4.2f  \r\n",sensor->CalcdewPoint(sensor->ReadTemperature(CELCIUS), sensor->ReadHumidity()));
00065         pc.printf("Dew point (fast) is %4.2f  \r\n",sensor->CalcdewPointFast(sensor->ReadTemperature(CELCIUS), sensor->ReadHumidity()));
00066     } else {
00067         pc.printf("\r\nErr %i \n",err);
00068     }
00069 }
00070 /*Got em humi datas*/
00071 
00072 /*Do me*/
00073 int main()
00074 {
00075     float smoke_val;
00076     /*tRF Serial definition*/
00077     Serial tRF(tRF_TX, tRF_RX, 115200);
00078     /*RGB*/
00079     WS2812 ws(PB_5, WS2812_BUF, 3, 12, 9, 12); // LED Driver
00080     PixelArray px(WS2812_BUF);
00081     ws.useII(WS2812::GLOBAL); // Pixel dimming disabled
00082         int colorbuf[NUM_COLORS] = {0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f};
00083     
00084     // for each of the colours (j) write out 16 of them the pixels are written at the colour*16, plus the colour position all modulus 60 so it wraps around
00085     for (int i = 0; i < WS2812_BUF; i++) {
00086         px.Set(i, colorbuf[(i / NUM_LEDS) % NUM_COLORS]);
00087     }
00088 
00089     // now all the colours are computed, add a fade effect using intensity scaling compute and write the II value for each pixel
00090     for (int j=0; j<WS2812_BUF; j++) 
00091     {
00092         // px.SetI(pixel position, II value)
00093         px.SetI(j%WS2812_BUF, 0xf+(0xf*(j%NUM_LEDS)));
00094     }
00095     /*Smoke detector*/
00096     AnalogIn smoke_in(smoke_pin);
00097     /*Humidity and temperature*/
00098     DHT HumSensor(humidity_pin,SEN11301P);
00099     /*Init all the things*/
00100     init_tRF(&tRF);
00101     pc.printf("Alright chums, let's do this!\r\n"); //Debug line
00102     
00103     /*Some infinite action*/
00104     while (1) {
00105         pc.printf("Loop start.\r\n"); //Debug line, I'm using the mbed online compiler, understand me pls.
00106         /*Do smoke*/
00107         smoke_val = smoke_in.read();
00108         if(smoke_val >= smoke_thresh) {
00109             pc.printf("NOK Smoke: %f\r\n", smoke_val);   
00110             pc.printf("SMOKE!");
00111             tRFScream(&tRF, &ws, &px);
00112         }
00113         else {
00114             pc.printf("OK Smoke: %f\r\n", smoke_val); 
00115         }
00116         /*Do humi sensor*/
00117         doDHT(&HumSensor);
00118         if (HumSensor.ReadTemperature(CELCIUS) > 35.0f) {
00119             pc.printf("HUMI!");
00120             tRFScream(&tRF, &ws, &px);
00121         }
00122         wait(1);
00123     }
00124 }
00125 /*End me*/