Flotsam / Full-Project

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Dependencies:   GPSLibrary GSM mbed-modifed Storage_Library Temp_Library Wakeup pH_Sensor

main.cpp@7:92f2d8c79565, 2015-11-09 (annotated)

Committer:
kbaichoo
Date:
Mon Nov 09 19:35:59 2015 +0000
Revision:
7:92f2d8c79565
Parent:
6:10b0ff2803e5 
got deep sleep working to get the ADC clock back

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ptcrews 1:83d3982f32d5 1 #include "Adafruit_FONA.h"
ptcrews 2:8de680cf7a19 2 #include "WakeUp.h"
ptcrews 1:83d3982f32d5 3 #include "mbed.h"
tomli 5:e180c73f4f70 4 #include "MBed_Adafruit_GPS.h"
tomli 5:e180c73f4f70 5 #include <string>
ptcrews 1:83d3982f32d5 6
ptcrews 1:83d3982f32d5 7 #define FONA_TX D8
ptcrews 1:83d3982f32d5 8 #define FONA_RX D2
ptcrews 1:83d3982f32d5 9 #define FONA_RST D3
ptcrews 1:83d3982f32d5 10 #define FONA_RI D4
ptcrews 1:83d3982f32d5 11 #define FONA_KEY D5
ptcrews 1:83d3982f32d5 12
tomli 5:e180c73f4f70 13 #define GPS_TX D6
tomli 5:e180c73f4f70 14 #define GPS_RX PB_11
tomli 5:e180c73f4f70 15
tomli 5:e180c73f4f70 16 #define PH_TX PC_10
tomli 5:e180c73f4f70 17 #define PH_RX PC_11
tomli 5:e180c73f4f70 18
kbaichoo 6:10b0ff2803e5 19 #define TMP_ANALOG A0
kbaichoo 6:10b0ff2803e5 20 #define ADC_CONVERSION 3.3/5.0
ptcrews 1:83d3982f32d5 21 Adafruit_FONA fona(FONA_TX, FONA_RX, FONA_RST, FONA_RI);
ptcrews 1:83d3982f32d5 22 Serial pcSerial(USBTX, USBRX);
ptcrews 1:83d3982f32d5 23 DigitalOut key(FONA_KEY);
kbaichoo 6:10b0ff2803e5 24 AnalogIn temperature(TMP_ANALOG);
ptcrews 1:83d3982f32d5 25
tomli 5:e180c73f4f70 26 // GPS
tomli 5:e180c73f4f70 27 char c; //when read via Adafruit_GPS::read(), the class returns single character stored here
tomli 5:e180c73f4f70 28 Timer refresh_Timer; //sets up a timer for use in loop; how often do we print GPS info?
tomli 5:e180c73f4f70 29 const int refresh_Time = 2000; //refresh time in ms
tomli 5:e180c73f4f70 30 Serial gps_Serial(GPS_TX, GPS_RX); // Serial object for GPS
tomli 5:e180c73f4f70 31 Adafruit_GPS myGPS(&gps_Serial);
tomli 5:e180c73f4f70 32
tomli 5:e180c73f4f70 33
tomli 5:e180c73f4f70 34
tomli 5:e180c73f4f70 35 // pH sensor
tomli 5:e180c73f4f70 36 Serial ph_Serial (PH_TX, PH_RX);
tomli 5:e180c73f4f70 37 string sensorstring = "";
tomli 5:e180c73f4f70 38 bool input_stringcomplete = false;
tomli 5:e180c73f4f70 39 bool sensor_stringcomplete = false;
tomli 5:e180c73f4f70 40 float pH;
tomli 5:e180c73f4f70 41
tomli 5:e180c73f4f70 42 void setupPCSerial() {
tomli 5:e180c73f4f70 43 //pcSerial.baud(9600); // This is what the pH sensor used to have.
tomli 5:e180c73f4f70 44 pcSerial.baud(115200);
tomli 5:e180c73f4f70 45 pcSerial.printf("\n\nConnection established at 115200 baud...\n");
tomli 5:e180c73f4f70 46 }
tomli 5:e180c73f4f70 47
tomli 5:e180c73f4f70 48 void setupPH() {
tomli 5:e180c73f4f70 49 ph_Serial.baud(9600);
tomli 5:e180c73f4f70 50 printf("Disabling continous mode.\n");
tomli 5:e180c73f4f70 51 if(ph_Serial.writeable() <= 0) printf("Not writable\n");
tomli 5:e180c73f4f70 52 // disable continuous mode
tomli 5:e180c73f4f70 53 ph_Serial.printf("C,0");
tomli 5:e180c73f4f70 54 ph_Serial.printf("%c", '\r');
tomli 5:e180c73f4f70 55 printf("Waiting five seconds... ");
tomli 5:e180c73f4f70 56 wait(5);
tomli 5:e180c73f4f70 57 printf("done\n");
tomli 5:e180c73f4f70 58 }
tomli 5:e180c73f4f70 59
tomli 5:e180c73f4f70 60 void setupGPS() {
tomli 5:e180c73f4f70 61 myGPS.begin(9600);
tomli 5:e180c73f4f70 62 myGPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); //these commands are defined in MBed_Adafruit_GPS.h; a link is provided there for command creation
tomli 5:e180c73f4f70 63 myGPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
tomli 5:e180c73f4f70 64 myGPS.sendCommand(PGCMD_ANTENNA);
tomli 5:e180c73f4f70 65 wait(1);
tomli 5:e180c73f4f70 66 refresh_Timer.start(); //starts the clock on the timer
tomli 5:e180c73f4f70 67 printf("setupGPS seems to be fine\n");
tomli 5:e180c73f4f70 68 }
tomli 5:e180c73f4f70 69
tomli 5:e180c73f4f70 70 void setup() {
tomli 5:e180c73f4f70 71 printf("\n=====\nSetup in Full Project\n");
tomli 5:e180c73f4f70 72 setupPCSerial();
tomli 5:e180c73f4f70 73 setupPH();
tomli 5:e180c73f4f70 74 setupGPS();
tomli 5:e180c73f4f70 75 }
tomli 5:e180c73f4f70 76
tomli 5:e180c73f4f70 77 // Send default message to pH sensor, asking for data.
tomli 5:e180c73f4f70 78 void pHRequest() {
tomli 5:e180c73f4f70 79 printf("Sending pH request...\n");
tomli 5:e180c73f4f70 80 if(ph_Serial.writeable() <= 0) printf("Not writable\n");
tomli 5:e180c73f4f70 81 // request one reading
tomli 5:e180c73f4f70 82 ph_Serial.printf("R");
tomli 5:e180c73f4f70 83 ph_Serial.printf("%c", '\r');
tomli 5:e180c73f4f70 84 }
tomli 5:e180c73f4f70 85
tomli 5:e180c73f4f70 86 void pHRead() {
tomli 5:e180c73f4f70 87 printf("Reading pH information.\n");
tomli 5:e180c73f4f70 88 if (ph_Serial.readable() > 0) { //if we see that the Atlas Scientific product has sent a character.
tomli 5:e180c73f4f70 89 printf("Receiving sensor string... [");
tomli 5:e180c73f4f70 90 char inchar;
tomli 5:e180c73f4f70 91 while((inchar = (char)ph_Serial.getc()) != '\r') {
tomli 5:e180c73f4f70 92 sensorstring += inchar;
tomli 5:e180c73f4f70 93 printf("%c", inchar);
tomli 5:e180c73f4f70 94 }
tomli 5:e180c73f4f70 95 printf("] ...sensor string received!\n");
tomli 5:e180c73f4f70 96 sensor_stringcomplete = true;
tomli 5:e180c73f4f70 97 pH = atof(sensorstring.c_str()); //convert the string to a floating point number so it can be evaluated by the Arduino
tomli 5:e180c73f4f70 98
tomli 5:e180c73f4f70 99 if (pH >= 7.0) { //if the pH is greater than or equal to 7.0
tomli 5:e180c73f4f70 100 printf("high\n"); //print "high" this is demonstrating that the Arduino is evaluating the pH as a number and not as a string
tomli 5:e180c73f4f70 101 }
tomli 5:e180c73f4f70 102
tomli 5:e180c73f4f70 103 if (pH <= 6.999) { //if the pH is less than or equal to 6.999
tomli 5:e180c73f4f70 104 printf("low\n"); //print "low" this is demonstrating that the Arduino is evaluating the pH as a number and not as a string
tomli 5:e180c73f4f70 105 }
tomli 5:e180c73f4f70 106
tomli 5:e180c73f4f70 107 //ph_Serial.printf("SLEEP");
tomli 5:e180c73f4f70 108 //ph_Serial.printf("%c", '\r');
tomli 5:e180c73f4f70 109
tomli 5:e180c73f4f70 110 sensorstring = ""; //clear the string:
tomli 5:e180c73f4f70 111 sensor_stringcomplete = false; //reset the flag used to tell if we have received a completed string from the Atlas Scientific product
tomli 5:e180c73f4f70 112 } else {
tomli 5:e180c73f4f70 113 printf("pH sensor is not readable\n");
tomli 5:e180c73f4f70 114 }
tomli 5:e180c73f4f70 115 }
tomli 5:e180c73f4f70 116
kbaichoo 6:10b0ff2803e5 117 //function to get both the
kbaichoo 6:10b0ff2803e5 118 double AD22100K_AI_value_to_Celsius() { // Convert Analog-input value to temperature
kbaichoo 6:10b0ff2803e5 119 //1023 is to scale it up to the arduino read values.
kbaichoo 6:10b0ff2803e5 120 float voltage = (int)((temperature.read() * ADC_CONVERSION) * 1023);
kbaichoo 6:10b0ff2803e5 121
kbaichoo 6:10b0ff2803e5 122 float temperatureValue = (voltage * 0.217226044) - 61.1111111; // conversion factor simplified.
kbaichoo 6:10b0ff2803e5 123 pcSerial.printf("AI_Val: %f\n", temperatureValue);
kbaichoo 6:10b0ff2803e5 124 return temperatureValue; // 22.5 mV / °C; Ratiometric measurement, conversion valid for 5 V!
kbaichoo 6:10b0ff2803e5 125 }
kbaichoo 7:92f2d8c79565 126
kbaichoo 7:92f2d8c79565 127 //Found this online and it claims that it resets ADC to work after deepsleep \_O_/
kbaichoo 7:92f2d8c79565 128 void resetADC()
kbaichoo 7:92f2d8c79565 129 {
kbaichoo 7:92f2d8c79565 130 // Enable the HSI (to clock the ADC)
kbaichoo 7:92f2d8c79565 131 RCC_OscInitTypeDef RCC_OscInitStruct;
kbaichoo 7:92f2d8c79565 132 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
kbaichoo 7:92f2d8c79565 133 RCC_OscInitStruct.HSIState = RCC_HSI_ON;
kbaichoo 7:92f2d8c79565 134 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
kbaichoo 7:92f2d8c79565 135 HAL_RCC_OscConfig(&RCC_OscInitStruct);
kbaichoo 7:92f2d8c79565 136 }
kbaichoo 6:10b0ff2803e5 137
tomli 5:e180c73f4f70 138 // n_queries is the number of times we query the GPS. We need something like 23000 characters.
tomli 5:e180c73f4f70 139 void GPSRead(int n_queries) {
tomli 5:e180c73f4f70 140 pcSerial.printf("\n");
tomli 5:e180c73f4f70 141 for (int i = 0; i < n_queries; i++) {
tomli 5:e180c73f4f70 142 c = myGPS.read(); //queries the GPS
tomli 5:e180c73f4f70 143
tomli 5:e180c73f4f70 144 if (c) { pcSerial.printf("%c", c); } //this line will echo the GPS data if not paused
tomli 5:e180c73f4f70 145
tomli 5:e180c73f4f70 146 //check if we recieved a new message from GPS, if so, attempt to parse it,
tomli 5:e180c73f4f70 147 if ( myGPS.newNMEAreceived() ) {
tomli 5:e180c73f4f70 148 if ( !myGPS.parse(myGPS.lastNMEA()) ) {
tomli 5:e180c73f4f70 149 continue;
tomli 5:e180c73f4f70 150 }
tomli 5:e180c73f4f70 151 }
tomli 5:e180c73f4f70 152
tomli 5:e180c73f4f70 153 //check if enough time has passed to warrant printing GPS info to screen
tomli 5:e180c73f4f70 154 //note if refresh_Time is too low or pcSerial.baud is too low, GPS data may be lost during printing
tomli 5:e180c73f4f70 155 if (refresh_Timer.read_ms() >= refresh_Time) {
tomli 5:e180c73f4f70 156 refresh_Timer.reset();
tomli 5:e180c73f4f70 157 pcSerial.printf("Time: %d:%d:%d.%u\n", myGPS.hour, myGPS.minute, myGPS.seconds, myGPS.milliseconds);
tomli 5:e180c73f4f70 158 pcSerial.printf("Date: %d/%d/20%d\n", myGPS.day, myGPS.month, myGPS.year);
tomli 5:e180c73f4f70 159 pcSerial.printf("Fix: %d\n", (int) myGPS.fix);
tomli 5:e180c73f4f70 160 pcSerial.printf("Quality: %d\n", (int) myGPS.fixquality);
tomli 5:e180c73f4f70 161 if (myGPS.fix) {
tomli 5:e180c73f4f70 162 pcSerial.printf("Location: %5.2f%c, %5.2f%c\n", myGPS.latitude, myGPS.lat, myGPS.longitude, myGPS.lon);
tomli 5:e180c73f4f70 163 pcSerial.printf("Speed: %5.2f knots\n", myGPS.speed);
tomli 5:e180c73f4f70 164 pcSerial.printf("Angle: %5.2f\n", myGPS.angle);
tomli 5:e180c73f4f70 165 pcSerial.printf("Altitude: %5.2f\n", myGPS.altitude);
tomli 5:e180c73f4f70 166 pcSerial.printf("Satellites: %d\n", myGPS.satellites);
tomli 5:e180c73f4f70 167 }
tomli 5:e180c73f4f70 168 }
tomli 5:e180c73f4f70 169 }
tomli 5:e180c73f4f70 170 pcSerial.printf("\n");
tomli 5:e180c73f4f70 171 }
tomli 5:e180c73f4f70 172
ptcrews 3:6afcf4f3b2aa 173 void setupGSM()
ptcrews 3:6afcf4f3b2aa 174 {
ptcrews 3:6afcf4f3b2aa 175 printf("Starting FONA\n");
ptcrews 3:6afcf4f3b2aa 176 while(!fona.begin(9600)) {
ptcrews 3:6afcf4f3b2aa 177 printf("Cannot find FONA\n");
ptcrews 3:6afcf4f3b2aa 178 wait(1);
ptcrews 3:6afcf4f3b2aa 179 }
ptcrews 3:6afcf4f3b2aa 180 fona.begin(9600);
ptcrews 3:6afcf4f3b2aa 181 fona.setGPRSNetworkSettings("pwg", "", "");
ptcrews 3:6afcf4f3b2aa 182 bool enable = false;
ptcrews 3:6afcf4f3b2aa 183 while(enable != true) {
ptcrews 3:6afcf4f3b2aa 184 fona.enableGPRS(true);
ptcrews 3:6afcf4f3b2aa 185 fona.enableGPRS(false);
ptcrews 3:6afcf4f3b2aa 186 enable = fona.enableGPRS(true);
ptcrews 3:6afcf4f3b2aa 187 }
ptcrews 3:6afcf4f3b2aa 188 }
ptcrews 3:6afcf4f3b2aa 189
ptcrews 2:8de680cf7a19 190 void changeGSMPowerState()
ptcrews 1:83d3982f32d5 191 {
ptcrews 1:83d3982f32d5 192 key.write(0);
ptcrews 1:83d3982f32d5 193 wait(2);
ptcrews 1:83d3982f32d5 194 key.write(1);
ptcrews 1:83d3982f32d5 195 }
ptcrews 1:83d3982f32d5 196
ptcrews 3:6afcf4f3b2aa 197 void enterSleep(int msec)
ptcrews 3:6afcf4f3b2aa 198 {
ptcrews 2:8de680cf7a19 199 if(msec > 0) WakeUp::set_ms(msec);
ptcrews 2:8de680cf7a19 200 deepsleep();
kbaichoo 7:92f2d8c79565 201 resetADC();
ptcrews 2:8de680cf7a19 202 }
ptcrews 3:6afcf4f3b2aa 203
tomli 5:e180c73f4f70 204 bool sendDataOverHTTP(char* url, char* data)
ptcrews 3:6afcf4f3b2aa 205 {
ptcrews 3:6afcf4f3b2aa 206 uint16_t statuscode;
ptcrews 3:6afcf4f3b2aa 207 int16_t length;
ptcrews 3:6afcf4f3b2aa 208 if (!fona.HTTP_POST_start(url, "text/plain", (uint8_t *) data, strlen(data), &statuscode, (uint16_t *)&length)) {
ptcrews 3:6afcf4f3b2aa 209 pcSerial.printf("Failed!\r\n");
ptcrews 3:6afcf4f3b2aa 210 return false;
ptcrews 3:6afcf4f3b2aa 211 }
ptcrews 3:6afcf4f3b2aa 212 while (length > 0) {
ptcrews 3:6afcf4f3b2aa 213 while (fona.readable()) {
ptcrews 3:6afcf4f3b2aa 214 char c = fona.getc();
ptcrews 3:6afcf4f3b2aa 215 pcSerial.putc(c);
ptcrews 3:6afcf4f3b2aa 216 length--;
ptcrews 3:6afcf4f3b2aa 217 if (! length) break;
ptcrews 3:6afcf4f3b2aa 218 }
ptcrews 3:6afcf4f3b2aa 219 }
ptcrews 3:6afcf4f3b2aa 220 pcSerial.printf("\r\n****\r\n");
ptcrews 3:6afcf4f3b2aa 221 fona.HTTP_POST_end();
ptcrews 3:6afcf4f3b2aa 222 return true;
ptcrews 3:6afcf4f3b2aa 223 }
ptcrews 2:8de680cf7a19 224
ptcrews 1:83d3982f32d5 225 int main()
ptcrews 1:83d3982f32d5 226 {
tomli 5:e180c73f4f70 227 setup();
ptcrews 2:8de680cf7a19 228 changeGSMPowerState();
ptcrews 3:6afcf4f3b2aa 229 setupGSM();
ptcrews 3:6afcf4f3b2aa 230 //sendDataOverHTTP("http://requestb.in/10pbl2i1", "testing");
ptcrews 3:6afcf4f3b2aa 231
ptcrews 2:8de680cf7a19 232 changeGSMPowerState();
tomli 5:e180c73f4f70 233 while (true) {
tomli 5:e180c73f4f70 234 printf("~~~~~[pH]~~~~~\n");
tomli 5:e180c73f4f70 235 pHRequest();
tomli 5:e180c73f4f70 236 pHRead();
tomli 5:e180c73f4f70 237 wait(1);
tomli 5:e180c73f4f70 238 printf("~~~~~[GPS]~~~~\n");
tomli 5:e180c73f4f70 239
tomli 5:e180c73f4f70 240 GPSRead(300000);
tomli 5:e180c73f4f70 241 wait(1);
tomli 5:e180c73f4f70 242 }
ptcrews 1:83d3982f32d5 243
ptcrews 1:83d3982f32d5 244 return 0;
ptcrews 1:83d3982f32d5 245 }