Senior_Design_Sailboat / Mbed 2 deprecated ECE4012_Sailboat

GPS and IMU reading works

Dependencies:   mbed Servo SDFileSystem

/media/uploads/taoqiuyang/img_2352.jpg

main.cpp@20:a820531c78bc, 2015-08-29 (annotated)

Committer:
dem123456789
Date:
Sat Aug 29 01:09:40 2015 +0000
Revision:
20:a820531c78bc
Parent:
19:eef0e3ec32a0
Child:
21:99be83550601
Set path done

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dem123456789 20:a820531c78bc 1 #include "Config.h"
dem123456789 11:1caacb994236 2
taoqiuyang 2:afb333543af5 3 DigitalOut led1(LED1);
taoqiuyang 2:afb333543af5 4 DigitalOut led2(LED2);
taoqiuyang 5:451b8203ef99 5 DigitalOut led3(LED3);
dem123456789 8:1f5a44bade4d 6 DigitalOut led4(LED4);
dem123456789 20:a820531c78bc 7
taoqiuyang 2:afb333543af5 8 Serial pc(USBTX, USBRX);
taoqiuyang 2:afb333543af5 9 Serial IMU(p28, p27); // tx, rx
taoqiuyang 5:451b8203ef99 10 Serial GPS(p13, p14); // tx, rx
taoqiuyang 2:afb333543af5 11
taoqiuyang 2:afb333543af5 12 char IMU_message[256];
taoqiuyang 3:ab9f94d112c0 13 int IMU_message_counter=0;
taoqiuyang 5:451b8203ef99 14 char GPS_message[256];
taoqiuyang 5:451b8203ef99 15 int GPS_message_counter=0;
dem123456789 14:92bacb5af01b 16 char PC_message[256];
dem123456789 14:92bacb5af01b 17 int PC_message_counter=0;
dem123456789 11:1caacb994236 18
dem123456789 11:1caacb994236 19 string IMU_Y="N/A";
dem123456789 11:1caacb994236 20 string IMU_P="N/A";
dem123456789 11:1caacb994236 21 string IMU_R="N/A";
dem123456789 14:92bacb5af01b 22 string GPS_Quality="N/A";
dem123456789 11:1caacb994236 23 string GPS_UTC="N/A";
dem123456789 11:1caacb994236 24 string GPS_Latitude="N/A";
dem123456789 11:1caacb994236 25 string GPS_Longtitude="N/A";
dem123456789 11:1caacb994236 26 string GPS_Altitude="N/A";
dem123456789 11:1caacb994236 27 string GPS_Num_Satellite="N/A";
dem123456789 11:1caacb994236 28 string GPS_HDOP="N/A";
dem123456789 12:8644abfa86da 29 string GPS_VDOP="N/A";
dem123456789 12:8644abfa86da 30 string GPS_PDOP="N/A";
dem123456789 14:92bacb5af01b 31 string GPS_Date="N/A";
dem123456789 14:92bacb5af01b 32 string GPS_VelocityKnot="N/A";
dem123456789 14:92bacb5af01b 33 string GPS_VelocityKph="N/A";
dem123456789 14:92bacb5af01b 34
dem123456789 12:8644abfa86da 35 int asterisk_idx;
dem123456789 9:bf5939466e86 36
dem123456789 20:a820531c78bc 37 double Longtitude_Path[MAX_TASK_SIZE];
dem123456789 20:a820531c78bc 38 double Latitude_Path[MAX_TASK_SIZE];
dem123456789 20:a820531c78bc 39
dem123456789 9:bf5939466e86 40 vector<string> split(const string &s, char delim) {
dem123456789 9:bf5939466e86 41 stringstream ss(s);
dem123456789 9:bf5939466e86 42 string item;
dem123456789 9:bf5939466e86 43 vector<string> tokens;
dem123456789 9:bf5939466e86 44 while (getline(ss, item, delim)) {
dem123456789 15:dbf20c1209ae 45 if (item.empty()) {
dem123456789 20:a820531c78bc 46 item = "N/A";
dem123456789 15:dbf20c1209ae 47 }
dem123456789 9:bf5939466e86 48 tokens.push_back(item);
dem123456789 9:bf5939466e86 49 }
dem123456789 9:bf5939466e86 50 return tokens;
dem123456789 9:bf5939466e86 51 }
dem123456789 9:bf5939466e86 52
dem123456789 9:bf5939466e86 53 void updateIMU(string IMU_data) {
dem123456789 9:bf5939466e86 54 string IMU_data_string(IMU_data);
dem123456789 9:bf5939466e86 55 if (IMU_data_string.substr(0,4) == "#YPR" and IMU_data_string.size() <= MAX_IMU_SIZE) {
dem123456789 9:bf5939466e86 56 IMU_data_string = IMU_data_string.substr(5);
dem123456789 9:bf5939466e86 57 vector<string> result = split(IMU_data_string, ',');
dem123456789 9:bf5939466e86 58 IMU_Y = result.at(0);
dem123456789 9:bf5939466e86 59 IMU_P = result.at(1);
dem123456789 15:dbf20c1209ae 60 IMU_R = result.at(2).substr(0, result.at(2).size()-1);
dem123456789 9:bf5939466e86 61 }
dem123456789 9:bf5939466e86 62 }
dem123456789 9:bf5939466e86 63
dem123456789 10:12ba6ed2d6f0 64 void updateGPS(string GPS_data) {
dem123456789 10:12ba6ed2d6f0 65 string GPS_data_string(GPS_data);
dem123456789 11:1caacb994236 66 if (GPS_data_string.substr(0,6) == "$GPGGA") {
dem123456789 11:1caacb994236 67 GPS_data_string = GPS_data_string.substr(7);
dem123456789 10:12ba6ed2d6f0 68 vector<string> result = split(GPS_data_string, ',');
dem123456789 14:92bacb5af01b 69 GPS_Quality = result.at(5);
dem123456789 14:92bacb5af01b 70 if(GPS_Quality != "0" and GPS_Quality != "6") {
dem123456789 11:1caacb994236 71 GPS_UTC = result.at(0);
dem123456789 11:1caacb994236 72 GPS_Latitude = result.at(2) + result.at(1);
dem123456789 11:1caacb994236 73 GPS_Longtitude = result.at(4) + result.at(3);
dem123456789 11:1caacb994236 74 GPS_Num_Satellite = result.at(6);
dem123456789 11:1caacb994236 75 GPS_HDOP = result.at(7);
dem123456789 11:1caacb994236 76 GPS_Altitude = result.at(8) + result.at(9);
dem123456789 11:1caacb994236 77 }
dem123456789 14:92bacb5af01b 78 } else if (GPS_data_string.substr(0,6) == "$GPGSA" and GPS_Quality != "0" and GPS_Quality != "6") {
dem123456789 12:8644abfa86da 79 GPS_data_string = GPS_data_string.substr(7);
dem123456789 12:8644abfa86da 80 vector<string> result = split(GPS_data_string, ',');
dem123456789 12:8644abfa86da 81 GPS_PDOP = result.at(14);
dem123456789 12:8644abfa86da 82 asterisk_idx = result.at(16).find('*');
dem123456789 12:8644abfa86da 83 GPS_VDOP = result.at(16).substr(0, asterisk_idx);
dem123456789 14:92bacb5af01b 84 } else if (GPS_data_string.substr(0,6) == "$GPRMC" and GPS_Quality != "0" and GPS_Quality != "6") {
dem123456789 12:8644abfa86da 85 GPS_data_string = GPS_data_string.substr(7);
dem123456789 12:8644abfa86da 86 vector<string> result = split(GPS_data_string, ',');
dem123456789 14:92bacb5af01b 87 GPS_Date = result.at(8);
dem123456789 14:92bacb5af01b 88 } else if (GPS_data_string.substr(0,6) == "$GPVTG" and GPS_Quality != "0" and GPS_Quality != "6") {
dem123456789 12:8644abfa86da 89 GPS_data_string = GPS_data_string.substr(7);
dem123456789 12:8644abfa86da 90 vector<string> result = split(GPS_data_string, ',');
dem123456789 14:92bacb5af01b 91 GPS_VelocityKnot = result.at(4) + result.at(5);
dem123456789 12:8644abfa86da 92 asterisk_idx = result.at(7).find('*');
dem123456789 14:92bacb5af01b 93 GPS_VelocityKph = result.at(6) + result.at(7).substr(0, asterisk_idx);
dem123456789 10:12ba6ed2d6f0 94 }
dem123456789 12:8644abfa86da 95
dem123456789 10:12ba6ed2d6f0 96 }
dem123456789 16:0ea992d9a390 97 /* Get data from SailBoat
dem123456789 16:0ea992d9a390 98 @GET=parameter
dem123456789 16:0ea992d9a390 99 Ex: @GET=GPS_Quality
dem123456789 16:0ea992d9a390 100 Supported parameter: GPS_Quality, GPS_UTC, GPS_Latitude, GPS_Longtitude, GPS_Altitude,
dem123456789 16:0ea992d9a390 101 GPS_Num_Satellite, GPS_HDOP, GPS_VDOP, GPS_PDOP, GPS_Date, GPS_VelocityKnot, GPS_VelocityKph
dem123456789 16:0ea992d9a390 102 Set path to SailBoat
dem123456789 20:a820531c78bc 103 @SET=PATH, Latitude, Longtitude, Task id
dem123456789 20:a820531c78bc 104 @SET=PATH, 33.776318, -84.407590, 3
dem123456789 16:0ea992d9a390 105 */
dem123456789 15:dbf20c1209ae 106 void decodePC(string PC_data) {
dem123456789 15:dbf20c1209ae 107 string PC_data_string(PC_data);
dem123456789 15:dbf20c1209ae 108 if (PC_data_string.substr(0,4) == "@GET") {
dem123456789 15:dbf20c1209ae 109 pc.printf("%s", PC_data_string.c_str());
dem123456789 15:dbf20c1209ae 110 PC_data_string = PC_data_string.substr(5, PC_data_string.size()-6);
dem123456789 20:a820531c78bc 111 pc.printf("%s\n", decodeCommandGET(PC_data_string).c_str());
dem123456789 16:0ea992d9a390 112 } else if (PC_data_string.substr(0,4) == "@SET") {
dem123456789 20:a820531c78bc 113 pc.printf("%s", PC_data_string.c_str());
dem123456789 20:a820531c78bc 114 PC_data_string = PC_data_string.substr(5, PC_data_string.size()-6);
dem123456789 20:a820531c78bc 115 string claim = decodeCommandSET(PC_data_string);
dem123456789 20:a820531c78bc 116 if (claim == "DONE") {
dem123456789 20:a820531c78bc 117 pc.printf("Current Path: Longtitude, Latitude\n");
dem123456789 20:a820531c78bc 118 for (int i=0;i<MAX_TASK_SIZE;++i) {
dem123456789 20:a820531c78bc 119 pc.printf(" %f, %f\n", Longtitude_Path[i], Latitude_Path[i]);
dem123456789 20:a820531c78bc 120 }
dem123456789 20:a820531c78bc 121 }
dem123456789 20:a820531c78bc 122 pc.printf("%s\n", claim.c_str());
dem123456789 16:0ea992d9a390 123 }
dem123456789 15:dbf20c1209ae 124 }
dem123456789 15:dbf20c1209ae 125
dem123456789 15:dbf20c1209ae 126
dem123456789 11:1caacb994236 127 void printStateIMU() {
dem123456789 11:1caacb994236 128 pc.printf("IMU_Y: %s, IMU_P: %s, IMU_R: %s\n",IMU_Y.c_str(), IMU_P.c_str(), IMU_R.c_str());
dem123456789 11:1caacb994236 129 }
dem123456789 11:1caacb994236 130
dem123456789 12:8644abfa86da 131 void printStateGPS() {
dem123456789 14:92bacb5af01b 132 pc.printf("GPS_Quality: %s, GPS_UTC: %s, GPS_Latitude: %s, GPS_Longtitude: %s, GPS_Altitude: %s, "
dem123456789 14:92bacb5af01b 133 "GPS_Num_Satellite: %s, GPS_HDOP: %s, GPS_VDOP: %s, GPS_PDOP: %s, GPS_Date: %s, GPS_VelocityKnot: %s, GPS_VelocityKph: %s\n",
dem123456789 14:92bacb5af01b 134 GPS_Quality.c_str(), GPS_UTC.c_str(), GPS_Latitude.c_str(), GPS_Longtitude.c_str(), GPS_Altitude.c_str(), GPS_Num_Satellite.c_str(),
dem123456789 14:92bacb5af01b 135 GPS_HDOP.c_str(), GPS_VDOP.c_str(), GPS_PDOP.c_str(), GPS_Date.c_str(), GPS_VelocityKnot.c_str(), GPS_VelocityKph.c_str());
dem123456789 12:8644abfa86da 136 }
dem123456789 14:92bacb5af01b 137
dem123456789 11:1caacb994236 138 //#YPR=-183.74,-134.27,-114.39
taoqiuyang 4:37d118f2348c 139 void IMU_serial_ISR() {
taoqiuyang 3:ab9f94d112c0 140 char buf;
taoqiuyang 3:ab9f94d112c0 141
taoqiuyang 3:ab9f94d112c0 142 while (IMU.readable()) {
taoqiuyang 3:ab9f94d112c0 143 buf = IMU.getc();
taoqiuyang 3:ab9f94d112c0 144
dem123456789 14:92bacb5af01b 145 //pc.putc(buf);
taoqiuyang 3:ab9f94d112c0 146 IMU_message[IMU_message_counter]=buf;
dem123456789 9:bf5939466e86 147 IMU_message_counter+=1;
taoqiuyang 3:ab9f94d112c0 148
taoqiuyang 3:ab9f94d112c0 149 if (buf=='\n'){
dem123456789 9:bf5939466e86 150 string IMU_copy(IMU_message, IMU_message_counter);
dem123456789 11:1caacb994236 151 //pc.printf("%s", IMU_copy.c_str());
dem123456789 9:bf5939466e86 152 updateIMU(IMU_copy);
dem123456789 9:bf5939466e86 153 IMU_message_counter=0;
dem123456789 9:bf5939466e86 154 IMU_copy[0] = '\0';
dem123456789 9:bf5939466e86 155 }
dem123456789 9:bf5939466e86 156
taoqiuyang 3:ab9f94d112c0 157 }
taoqiuyang 2:afb333543af5 158 led2 = !led2;
taoqiuyang 2:afb333543af5 159 }
dem123456789 9:bf5939466e86 160
dem123456789 9:bf5939466e86 161
dem123456789 8:1f5a44bade4d 162
taoqiuyang 5:451b8203ef99 163 void GPS_serial_ISR() {
taoqiuyang 5:451b8203ef99 164 char buf;
taoqiuyang 5:451b8203ef99 165
taoqiuyang 5:451b8203ef99 166 while (GPS.readable()) {
taoqiuyang 5:451b8203ef99 167 buf = GPS.getc();
dem123456789 14:92bacb5af01b 168
dem123456789 14:92bacb5af01b 169 //pc.putc(buf);
dem123456789 10:12ba6ed2d6f0 170 GPS_message[GPS_message_counter]=buf;
dem123456789 10:12ba6ed2d6f0 171 GPS_message_counter+=1;
dem123456789 10:12ba6ed2d6f0 172
dem123456789 10:12ba6ed2d6f0 173 if (buf=='\n'){
dem123456789 10:12ba6ed2d6f0 174 string GPS_copy(GPS_message, GPS_message_counter);
dem123456789 11:1caacb994236 175 //pc.printf("%s", GPS_copy.c_str());
dem123456789 10:12ba6ed2d6f0 176 updateGPS(GPS_copy);
dem123456789 10:12ba6ed2d6f0 177 GPS_message_counter=0;
dem123456789 10:12ba6ed2d6f0 178 GPS_copy[0] = '\0';
dem123456789 10:12ba6ed2d6f0 179 }
taoqiuyang 5:451b8203ef99 180 }
taoqiuyang 5:451b8203ef99 181
taoqiuyang 5:451b8203ef99 182 led3 = !led3;
taoqiuyang 5:451b8203ef99 183 }
taoqiuyang 3:ab9f94d112c0 184
dem123456789 8:1f5a44bade4d 185 void PC_serial_ISR() {
dem123456789 8:1f5a44bade4d 186 char buf;
dem123456789 8:1f5a44bade4d 187
dem123456789 8:1f5a44bade4d 188 while (pc.readable()) {
dem123456789 8:1f5a44bade4d 189 buf = pc.getc();
dem123456789 14:92bacb5af01b 190
dem123456789 14:92bacb5af01b 191 //pc.putc(buf);
dem123456789 14:92bacb5af01b 192 PC_message[PC_message_counter]=buf;
dem123456789 14:92bacb5af01b 193 PC_message_counter+=1;
dem123456789 14:92bacb5af01b 194
dem123456789 14:92bacb5af01b 195 if (buf=='\n'){
dem123456789 14:92bacb5af01b 196 string PC_copy(PC_message, PC_message_counter);
dem123456789 14:92bacb5af01b 197 //pc.printf("%s", PC_copy.c_str());
dem123456789 14:92bacb5af01b 198 decodePC(PC_copy);
dem123456789 14:92bacb5af01b 199 PC_message_counter=0;
dem123456789 14:92bacb5af01b 200 PC_copy[0] = '\0';
dem123456789 14:92bacb5af01b 201 }
dem123456789 8:1f5a44bade4d 202 }
dem123456789 8:1f5a44bade4d 203
dem123456789 8:1f5a44bade4d 204 led4= !led4;
dem123456789 8:1f5a44bade4d 205 }
taoqiuyang 3:ab9f94d112c0 206
taoqiuyang 0:f4d390c06705 207 int main() {
taoqiuyang 2:afb333543af5 208 IMU.baud(57600);
taoqiuyang 4:37d118f2348c 209 IMU.attach(&IMU_serial_ISR);
taoqiuyang 5:451b8203ef99 210 GPS.baud(38400);
taoqiuyang 5:451b8203ef99 211 GPS.attach(&GPS_serial_ISR);
dem123456789 8:1f5a44bade4d 212 pc.baud(115200);
dem123456789 8:1f5a44bade4d 213 pc.attach(&PC_serial_ISR);
taoqiuyang 1:e7245ffb4820 214
dem123456789 20:a820531c78bc 215
taoqiuyang 2:afb333543af5 216 while (1) {
taoqiuyang 2:afb333543af5 217 led1 = !led1;
dem123456789 15:dbf20c1209ae 218 wait(0.4);
dem123456789 15:dbf20c1209ae 219 //printStateIMU();
dem123456789 15:dbf20c1209ae 220 //printStateGPS();
taoqiuyang 0:f4d390c06705 221 }
taoqiuyang 0:f4d390c06705 222 }