main.cpp

00001 #include "mbed.h"
00002 #include "NCP5623BMUTBG.h"
00003 #include "ESP8266_AT.h"
00004 #include "SunPosition.h"
00005 #include "AOD_Calculation.h"
00006 #include "Adafruit_ADS1015.h"
00007 #include "BME280.h"
00008 #include "CAM_M8.h"
00009 
00010 /////////////////////////////////////////////
00011 //LED colors
00012 /////////////////////////////////////////////
00013 #define M_SET_LED_OFF()     RGB_LED.set_led(0,0,0)
00014 #define M_SET_LED_RED()     RGB_LED.set_led(1,0,0)
00015 #define M_SET_LED_GREEN()   RGB_LED.set_led(0,1,0)
00016 #define M_SET_LED_BLUE()    RGB_LED.set_led(0,0,1)
00017 #define M_SET_LED_MAGENTA() RGB_LED.set_led(1,0,1)
00018 #define M_SET_LED_YELLOW()  RGB_LED.set_led(1,1,0)
00019 #define M_SET_LED_CYAN()    RGB_LED.set_led(0,1,1)
00020 #define M_SET_LED_WHITE()   RGB_LED.set_led(1,1,1)
00021 
00022 /////////////////////////////////////////////
00023 //Define core buses and pin states.
00024 /////////////////////////////////////////////
00025 I2C             i2c(PB_9, PB_8);//(D14, D15); SDA,SCL
00026 Serial          pc(USBTX, USBRX);
00027 DigitalOut      pumps(PA_9, 0);//(D8, 0);
00028 DigitalOut      pbKill(PC_12, 1); // Digital input pin that conncect to the LTC2950 battery charger used to shutdown the UPAS 
00029 DigitalIn       nINT(PA_15); //Connected but currently unused is a digital ouput pin from LTC2950 battery charger. http://cds.linear.com/docs/en/datasheet/295012fd.pdf
00030 NCP5623BMUTBG   RGB_LED(PB_9, PB_8);    //(D14, D15);
00031 
00032 /////////////////////////////////////////////
00033 //RN4677 BT/BLE Module
00034 /////////////////////////////////////////////
00035 Serial          ble(PB_10, PB_11);
00036 DigitalOut      bleRTS(PB_14, 0);
00037 DigitalOut      bleCTS(PB_13, 0);
00038 DigitalOut      BT_IRST(PC_8, 0);
00039 DigitalOut      BT_SW(PA_12, 0);
00040 
00041 /////////////////////////////////////////////
00042 //Analog to Digital Converter
00043 /////////////////////////////////////////////
00044 DigitalIn       ADS_ALRT(PA_10); //Connected but currently unused. (ADS1115) http://www.ti.com/lit/ds/symlink/ads1115.pdf
00045 
00046 /////////////////////////////////////////////
00047 //Battery, Charger, & Supply Monitoring
00048 /////////////////////////////////////////////
00049 DigitalIn       LTCALT(PB_2); //High for normal operation. Low when a threshold is exceeded for Voltage, gas gauge, or temp
00050 DigitalIn       bcs1(PC_9); //Batt charging if High. (BQ24100)[U23]
00051 DigitalIn       bcs2(PA_8); //Charge complete if High. (BQ24100)[U23]  
00052 DigitalIn       bc_npg(PB_1); //Power to the charge controller. (BQ24100)[U23] 
00053 DigitalIn       SW3flt(PC_4); //When EN = 0 pin is HIGH, When EN = 1, LOW can be current limit, thermal limit, or UVLO.
00054 
00055 /////////////////////////////////////////////
00056 //Sensirion SDP3X(s)
00057 /////////////////////////////////////////////
00058 DigitalIn       SDP3Xflt(PC_0);
00059 DigitalIn       SDP3XAltflt(PB_7);
00060 
00061 /////////////////////////////////////////////
00062 //Accelerometer and Magnometer
00063 /////////////////////////////////////////////
00064 DigitalOut      iNemoEnable(PA_1, 0);
00065 DigitalIn       iNemoReady(PB_0);
00066 DigitalIn       iNemoInt1(PC_5);
00067 DigitalIn       iNemoInt2(PC_6);
00068 DigitalIn       iNemoInt3(PC_7);
00069 
00070 /////////////////////////////////////////////
00071 //UV and Visible Light Sensor
00072 /////////////////////////////////////////////
00073 
00074 /////////////////////////////////////////////
00075 //GPS
00076 /////////////////////////////////////////////
00077 DigitalOut          gpsEN(PB_15, 0);
00078 CAM_M8              gps(PB_9, PB_8,(0x84));   
00079 uint8_t gpsBTState = 1;
00080 uint8_t meState = 0;
00081 DigitalIn           gpsENFault(PB_12); //When EN = 0 pin is HIGH, When EN = 1, LOW can be current limit, thermal limit, or UVLO.
00082 
00083 
00084 /////////////////////////////////////////////
00085 //SD Card
00086 /////////////////////////////////////////////
00087 DigitalIn       sdCD(PA_11);
00088 DigitalOut      sdClk(PB_3,0 );
00089 DigitalIn       sdMISO(PB_4);
00090 DigitalOut      sdMOSI(PB_5, 0);
00091 DigitalOut      sdCS(PB_6, 1);
00092 
00093 DigitalIn       pbIso(PA_0);
00094 DigitalOut      hFault1(PA_7, 0);
00095 DigitalOut      hFault2(PA_6, 0);
00096 DigitalOut      hFault3(PA_5, 0);
00097 DigitalOut      hFault4(PA_4, 0);
00098 
00099 DigitalOut      wifiNReset(PC_1, 0);
00100 DigitalOut      wifiEnable(PC_2, 0);
00101 DigitalOut      qdEnable(PC_3, 0);
00102 DigitalIn       qdFault(PC_13);
00103 
00104 /////////////////////////////////////////////
00105 //AOD Objects
00106 /////////////////////////////////////////////
00107 SunPosition         sun;
00108 AOD_Calculation     aod_440;
00109 AOD_Calculation     aod_870;
00110 AOD_Calculation     aod_680;
00111 AOD_Calculation     aod_520;
00112 Adafruit_ADS1115    ads_sun(&i2c, ADS1015_ADDRESS_VDD); //Adress pin connected to 3.3V
00113 BME280              bme(PB_9, PB_8, 0xEC);  //(D14, D15);
00114 
00115 ESP8266_AT      esp(PC_10, PC_11);
00116 
00117 Timer t;
00118 
00119 char ssid[] = "w212lab";
00120 char password[] = "testarduino";
00121 //char ssid[] = "VOLTAR";
00122 //char password[] = "CedhCedh";
00123 
00124 char server[] = "api.thingspeak.com";
00125 char apiKey[] = "32QVSK5INPPAVIV0";
00126 char conn_type[] = "TCP";
00127 
00128 // For selecting the WiFi UART
00129 const int addr = 0x3F << 1;
00130 char aod_sel_5on[1];
00131 char aod_sel_5off[1];
00132 char plant_sel[1];
00133 
00134 //GPS Variables
00135 bool    gpsReady = 0;
00136 uint8_t gpsquality = 0;
00137 uint8_t gpssatellites = 0;
00138 double  gpsspeed = 0.0;
00139 //double  gpscourse = 0.0;
00140 double  gpslatitude = 0.0;
00141 double  gpslongitude = 0.0;
00142 float   gpsaltitude = 0.0;
00143 bool ledOn = 1;
00144 
00145 //AOD Variables
00146 //Globals for sun calulation input
00147 long gpsTime;
00148 long gpsDate;
00149 int year;
00150 int month;
00151 int day;
00152 int hour;
00153 int minute;
00154 double second;
00155 
00156 double latitude = 40.5853;
00157 double longitude = -105.0844;
00158 double altitude = 1525;
00159 double temperature; 
00160 double pressure;
00161 double humidity;
00162 
00163 //Globals for sun calculation output
00164 double zenith;
00165 double azimuth;
00166 double radius;
00167 
00168 //Constants
00169 const double time_zone = 0; //GPS gets Greenwich time
00170 const double delta_t = 68;  //This parameter will be roughly constant this year
00171 const double slope = 30;
00172 const double azm_rotation = 10;
00173 
00174 //AOD CALCULATION
00175 //AOD Calculation Constants
00176 const double lambda_440 = 0.440;
00177 const double lambda_520 = 0.520;
00178 const double lambda_680 = 0.680;
00179 const double lambda_870 = 0.870;
00180 const double CO2_ppv = 0.00036;
00181 const double v0_440 = 0.975524;
00182 const double v0_520 = 1.412519;
00183 const double v0_680 = 1.659305;
00184 const double v0_870 = 1.178819;
00185 const double vd = 0.001225;
00186 const double oz_coeff_440 = 0.0029;
00187 const double oz_coeff_520 = 0.0481;
00188 const double oz_coeff_680 = 0.0361;
00189 const double oz_coeff_870 = 0.0013;
00190 
00191 //Voltage from light detector
00192 double v870;     //Voltage read from 870nm photodiode
00193 double v_raw870; //Raw analog output from 870nm photodiode
00194 double v680;     //Voltage read from 680nm photodiode
00195 double v_raw680; //Raw analog output from 680nm photodiode
00196 double v520;     //Voltage read from 520nm photodiode
00197 double v_raw520; //Raw analog output from 520nm photodiode
00198 double v440;     //Voltage read from 440nm photodiode
00199 double v_raw440; //Raw analog output from 440nm photodiode
00200 double AOD_870;
00201 double AOD_680;
00202 double AOD_520;
00203 double AOD_440;
00204 
00205 //AOD functions
00206 void getAODs();
00207 
00208 //////////////////////////////////////////////////////////////
00209 //Main Function
00210 //////////////////////////////////////////////////////////////
00211 int main()
00212 {
00213     pc.baud(115200);
00214     RGB_LED.set_led(1, 0, 1);
00215     wait(1); 
00216     
00217     gpsEN = 1; // Enable the GPS
00218     wait(1);
00219     
00220     // Get the GPS time
00221     gps.read_gps();
00222     gpsTime = (long)gps.utc;
00223     gpsDate = (long)gps.date;
00224     pc.printf("Date: %d, Time: %d\r\n", gpsTime, gpsDate);
00225     int gpsfixWait = 0;
00226     // Wait until gps time is set
00227     if(gpsTime==0&&gpsDate==0){
00228         //gasG.resetMax();
00229         gps.resetGPS();
00230         wait(1);
00231         while(gpsquality == 0){
00232             gps.read_gps();
00233             gpsTime = (long)gps.utc;
00234             gpsDate = (long)gps.date;
00235             gpsquality =  gps.quality;
00236             
00237             if(ledOn == 1) {
00238                 M_SET_LED_OFF();
00239                 ledOn = 0;
00240             }
00241             else{
00242                 if(gpsquality==0){
00243                     M_SET_LED_MAGENTA();
00244                 }else{
00245                     M_SET_LED_YELLOW();
00246                 }
00247                 ledOn = 1;
00248             }
00249             
00250             wait(1);
00251             if(gpsquality==1){
00252                 gpsfixWait++;
00253             }else{
00254                 gpsfixWait = 0;
00255             }
00256         }
00257     }                            
00258     
00259     aod_sel_5on[0] = 0xCB;
00260     aod_sel_5off[0] = 0xC9;
00261     plant_sel[0] = 0xCF;
00262          
00263     RGB_LED.set_led(1, 1, 1); 
00264     i2c.write(addr, aod_sel_5on, 1);
00265     pc.printf("Plantower off\r\n");
00266     wait(1);
00267     
00268     //Enable the WiFi chip              
00269     RGB_LED.set_led(0, 1, 1);                   // Light LED so we know something is happening
00270     wifiEnable = 1;                             // Enable power to the WiFi while in reset, and wait a short while
00271     wait_ms(100);
00272     wifiNReset = 1;                             // Now de-assert the reset signal
00273     RGB_LED.set_led(1, 1, 0);                   // Color change of LED to indicate something is happening.
00274     wait(3);
00275     
00276     RGB_LED.set_led(0, 1, 0); 
00277     esp.check_esp();
00278     esp.version_info();
00279     esp.software_reset();
00280     
00281     esp.command_echo_mode(ESP_ECHO_ON);
00282     esp.set_wifi_mode(ESP_DUAL_CONFIG);
00283     esp.enable_multiple_connections();
00284     
00285     esp.create_tcp_server(80);
00286     
00287     //esp.set_server_timeout(5);
00288     
00289     esp.list_access_points();
00290     esp.wifi_connect(ssid, password);
00291     esp.check_ap();
00292     esp.get_ip();
00293     
00294     char someArray[160];
00295     
00296     t.start();
00297     while(1)
00298     {
00299         RGB_LED.set_led(0, 0, 1); 
00300         if(t.read()>15)//if 15 seconds passed
00301         {
00302             t.reset();//reset timer
00303             
00304             RGB_LED.set_led(1, 1, 1); 
00305             
00306             //get the AOD
00307             getAODs();
00308 
00309             //send data to thingspeak
00310             sprintf(someArray,"GET https://api.thingspeak.com/update?api_key=32QVSK5INPPAVIV0&field1=%.2f&field2=%.2f&field3=%.2f&field4=%.2f&field5=%.2f&field6=%.2f&field7=%.2f\r\n\r\n",AOD_440,AOD_520,AOD_680,AOD_870,temperature,pressure,humidity);
00311             
00312             esp.delete_tcp_server();
00313             esp.establish_connection(0, conn_type, server, 80);
00314             esp.send_data_tcp(0, someArray);
00315             esp.close_connection(0);
00316             esp.create_tcp_server(80);
00317             pc.printf("%s\r\n", someArray);
00318         }
00319     }
00320 }
00321 
00322 void getAODs()
00323 {
00324     gps.read_gps();
00325    
00326     gpsTime = (long)gps.utc;
00327     gpsDate = (long)gps.date;
00328                         
00329     minute = (int)(floor((float)(gpsTime - (uint8_t)(floor((float)gpsTime/10000))*10000)/100));    // 0-59
00330     second = (double)(floor(((float)gpsTime - 100*(floor((float)gpsTime/100)))));//0; //(uint8_t)(floor(((float)gpsTime - 100*(floor((float)gpsTime/100)))));    // 0-59
00331     hour =  (int)(floor((float)gpsTime/10000));  // 0-23
00332     day = (int)(floor((float)gpsDate/10000));   // 1-31
00333     month = (uint8_t)(floor((float)(gpsDate - day*10000)/100));     // 0-11
00334     year = 1900 + (uint8_t)(100+floor(((float)gpsDate - 100*(floor((float)gpsDate/100))))); // year since 1900 (116 = 2016)//100+16
00335    
00336     temperature = bme.getTemperature();    
00337     pressure = bme.getPressure(temperature);
00338     humidity = bme.getHumidity();
00339     
00340     sun.setValues(year, month, day, hour, minute, second, time_zone, delta_t, latitude, longitude, altitude, temperature, pressure, slope, azm_rotation);
00341     sun.findSun();
00342     zenith = sun.getZenith();
00343     radius = sun.getRadius();
00344         
00345     //Read the light detectors
00346     v_raw870 = (double)ads_sun.readADC_SingleEnded(A3_GAIN_TWO); //Channel A3 | 1x gain | +/-4.096V | 1 bit = 2mV | 0.125mV
00347     v870 = (v_raw870*0.0625)/(1000); //Converts to a voltage
00348         
00349     v_raw680 = (double)ads_sun.readADC_SingleEnded(A2_GAIN_TWO); //Channel A2 | 1x gain | +/-4.096V | 1 bit = 2mV | 0.125mV
00350     v680 = (v_raw680*0.0625)/(1000); //Converts to a voltage
00351         
00352     v_raw520 = (double)ads_sun.readADC_SingleEnded(A1_GAIN_TWO); //Channel A1 | 1x gain | +/-4.096V | 1 bit = 2mV | 0.125mV
00353     v520 = (v_raw520*0.0625)/(1000); //Converts to a voltage
00354     
00355     v_raw440 = (double)ads_sun.readADC_SingleEnded(A0_GAIN_TWO); //Channel A1 | 1x gain | +/-4.096V | 1 bit = 2mV | 0.125mV
00356     v440 = (v_raw520*0.0625)/(1000); //Converts to a voltage
00357     
00358     //Calculate the AOD for all channels
00359     aod_870.setAODInputs(longitude, latitude, altitude, lambda_870, CO2_ppv, pressure, month, day, oz_coeff_870, v0_870, vd, v870, radius, zenith);
00360     aod_870.opticalDepth();
00361     AOD_870 = aod_870.getAOD();
00362         
00363     aod_680.setAODInputs(longitude, latitude, altitude, lambda_680, CO2_ppv, pressure, month, day, oz_coeff_680, v0_680, vd, v680, radius, zenith);
00364     aod_680.opticalDepth();
00365     AOD_680 = aod_680.getAOD();
00366         
00367     aod_520.setAODInputs(longitude, latitude, altitude, lambda_520, CO2_ppv, pressure, month, day, oz_coeff_520, v0_520, vd, v520, radius, zenith);
00368     aod_520.opticalDepth();
00369     AOD_520 = aod_520.getAOD();
00370     
00371     aod_440.setAODInputs(longitude, latitude, altitude, lambda_440, CO2_ppv, pressure, month, day, oz_coeff_440, v0_440, vd, v440, radius, zenith);
00372     aod_440.opticalDepth();
00373     AOD_440 = aod_440.getAOD();
00374 }