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| 1 | +#include "GPS.h" |
| 2 | + |
| 3 | +#include "mbed.h" |
| 4 | + |
| 5 | +arduino::GPSClass::GPSClass() |
| 6 | +{ |
| 7 | +} |
| 8 | + |
| 9 | +arduino::GPSClass::~GPSClass() |
| 10 | +{ |
| 11 | +} |
| 12 | + |
| 13 | +void arduino::GPSClass::begin(unsigned long baudrate, uint16_t config) |
| 14 | +{ |
| 15 | + auto cmux = arduino::CMUXClass::get_default_instance(); |
| 16 | + |
| 17 | + auto serial = cmux->get_serial(1); |
| 18 | + _serial = (arduino::PTYSerial *)serial; |
| 19 | + nextSerialPort++; |
| 20 | + |
| 21 | + _serial->write("ATE0\r\n", sizeof("ATE0\r\n")); |
| 22 | + readAndDrop(); |
| 23 | + |
| 24 | + // burn any incoming message on gps rx buffer |
| 25 | + readAndDrop(); |
| 26 | + |
| 27 | + do |
| 28 | + { |
| 29 | + _serial->write("AT^SPIO=0\r\n", sizeof("AT^SPIO=0\r\n")); |
| 30 | + readAndDrop(); |
| 31 | + |
| 32 | + _serial->write("AT^SPIO=1\r\n", sizeof("AT^SPIO=1\r\n")); |
| 33 | + readAndDrop(); |
| 34 | + |
| 35 | + _serial->write("AT^SCPIN=1,7,1,0\r\n", sizeof("AT^SCPIN=1,7,1,0\r\n")); |
| 36 | + readAndDrop(); |
| 37 | + |
| 38 | + _serial->write("AT^SSIO=7,1\r\n", sizeof("AT^SSIO=7,1\r\n")); |
| 39 | + readAndDrop(); |
| 40 | + _serial->write("AT^SGIO=7\r\n", sizeof("AT^SGIO=7\r\n")); |
| 41 | + } while (!checkGNSSEngine("^SGIO: 1")); |
| 42 | + |
| 43 | + _serial->write("AT^SGPSC=Engine/StartMode,0\r\n", sizeof("AT^SGPSC=Engine/StartMode,0\r\n")); |
| 44 | + checkGNSSEngine("^SGPSC: \"Engine/StartMode\",\"0\""); |
| 45 | + |
| 46 | + while (!_engine) |
| 47 | + { |
| 48 | + _serial->write("AT^SGPSC=Engine,3\r\n", sizeof("AT^SGPSC=Engine,3\r\n")); |
| 49 | + _engine = checkGNSSEngine("^SGPSC: \"Engine\",\"3\""); |
| 50 | + } |
| 51 | + |
| 52 | + _serial->write("AT^SGPSC=Nmea/Urc,on\r\n", sizeof("AT^SGPSC=Nmea/Urc,on\r\n")); |
| 53 | + readAndDrop(); |
| 54 | +} |
| 55 | + |
| 56 | +int arduino::GPSClass::available(void) |
| 57 | +{ |
| 58 | + return _serial->available(); |
| 59 | +} |
| 60 | + |
| 61 | +void arduino::GPSClass::readAndPrint() |
| 62 | +{ |
| 63 | + char buf[256]; |
| 64 | + int dataRead = 0; |
| 65 | + while((dataRead = available()) <= 0); |
| 66 | + |
| 67 | + String tmp = ""; |
| 68 | + while((dataRead =_serial->read(buf, 1)) > 0){ |
| 69 | + tmp += String(buf); |
| 70 | + } |
| 71 | + Serial.println(tmp); |
| 72 | +} |
| 73 | + |
| 74 | +bool arduino::GPSClass::checkGNSSEngine(const char *prefix) |
| 75 | +{ |
| 76 | + char buf[256]; |
| 77 | + int dataRead = 0; |
| 78 | + while((dataRead = available()) <= 0); |
| 79 | + |
| 80 | + String tmp = ""; |
| 81 | + while((dataRead =_serial->read(buf, 1)) > 0){ |
| 82 | + tmp += String(buf); |
| 83 | + } |
| 84 | + |
| 85 | + int offset = 0; |
| 86 | + // check the buffer in serch of prefix |
| 87 | + while (sizeof(tmp) - offset > sizeof(prefix)) |
| 88 | + { |
| 89 | + if (tmp.substring(offset).startsWith(String(prefix))) |
| 90 | + { |
| 91 | + // read all the remaining data if available |
| 92 | + _serial->read(buf, sizeof(buf)); |
| 93 | + return true; |
| 94 | + } |
| 95 | + offset++; |
| 96 | + } |
| 97 | + return false; |
| 98 | +} |
| 99 | + |
| 100 | +void arduino::GPSClass::readAndDrop() |
| 101 | +{ |
| 102 | + char buf[256]; |
| 103 | + int dataRead = 0; |
| 104 | + while((dataRead = available()) <= 0); |
| 105 | + |
| 106 | + String tmp = ""; |
| 107 | + while((dataRead =_serial->read(buf, 1)) > 0); |
| 108 | +} |
| 109 | + |
| 110 | +void arduino::GPSClass::begin(unsigned long baudrate) |
| 111 | +{ // alligne with other begin |
| 112 | + auto cmux = arduino::CMUXClass::get_default_instance(); |
| 113 | + |
| 114 | + auto serial = cmux->get_serial(1); |
| 115 | + _serial = (arduino::PTYSerial *)serial; |
| 116 | + nextSerialPort++; |
| 117 | + |
| 118 | + _serial->write("ATE0\r\n", sizeof("ATE0\r\n")); |
| 119 | + readAndDrop(); |
| 120 | + |
| 121 | + _serial->write("AT^SGPSC=Engine/StartMode,0\r\n", sizeof("AT^SGPSC=Engine/StartMode,0\r\n")); |
| 122 | + readAndDrop(); |
| 123 | + |
| 124 | + _serial->write("AT^SPIO=1\r\n", sizeof("AT^SPIO=1\r\n")); |
| 125 | + readAndDrop(); |
| 126 | + |
| 127 | + _serial->write("AT^SCPIN=1,7,1,0\r\n", sizeof("AT^SCPIN=1,7,1,0\r\n")); |
| 128 | + readAndDrop(); |
| 129 | + |
| 130 | + _serial->write("AT^SSIO=7,1\r\n", sizeof("AT^SSIO=7,1\r\n")); |
| 131 | + readAndDrop(); |
| 132 | + |
| 133 | + _serial->write("AT^SGPSC=Engine,3\r\n", sizeof("AT^SGPSC=Engine,3\r\n")); // |
| 134 | + checkGNSSEngine("^SGPSC: \"Engine\",\"3\""); |
| 135 | + _engine = true; |
| 136 | + |
| 137 | + if (_engine) |
| 138 | + { |
| 139 | + _serial->write("AT^SGPSC=Nmea/Urc,on\r\n", sizeof("AT^SGPSC=Nmea/Urc,on\r\n")); |
| 140 | + readAndDrop(); |
| 141 | + } |
| 142 | +} |
| 143 | + |
| 144 | +int arduino::GPSClass::peek(void) |
| 145 | +{ |
| 146 | + return read(); |
| 147 | +} |
| 148 | + |
| 149 | +int arduino::GPSClass::read(void) |
| 150 | +{ |
| 151 | + char c; |
| 152 | + _serial->read(&c,1); |
| 153 | + return c; |
| 154 | +} |
| 155 | + |
| 156 | +void arduino::GPSClass::flush(void) |
| 157 | +{ |
| 158 | +} |
| 159 | + |
| 160 | +size_t arduino::GPSClass::write(char *buffer) |
| 161 | +{ |
| 162 | + size_t sz = sizeof(buffer); |
| 163 | + return _serial->write(buffer, sz); |
| 164 | +} |
| 165 | + |
| 166 | +size_t arduino::GPSClass::write(char *buffer, size_t sz) |
| 167 | +{ |
| 168 | + size_t data_write = 0; |
| 169 | + _serial->write(buffer, sz); |
| 170 | + return data_write; |
| 171 | +} |
| 172 | + |
| 173 | +size_t arduino::GPSClass::write(uint8_t c) |
| 174 | +{ |
| 175 | + return _serial->write((char *)&c, 1); |
| 176 | +} |
| 177 | + |
| 178 | +void arduino::GPSClass::end() |
| 179 | +{ |
| 180 | + |
| 181 | + _serial->write("AT^SGPSC=Nmea/Urc,off\r\n", sizeof("AT^SGPSC=Nmea/Urc,off\r\n")); |
| 182 | + readAndDrop(); |
| 183 | + |
| 184 | + while (_engine) |
| 185 | + { |
| 186 | + _serial->write("AT^SGPSC=Engine,0\r\n", sizeof("AT^SGPSC=Engine,0\r\n")); |
| 187 | + _engine = !checkGNSSEngine("^SGPSC: \"Engine\",\"0\""); |
| 188 | + } |
| 189 | + |
| 190 | + _serial->write("^SSIO=7,0\r\n", sizeof("^SSIO=7,0\r\n")); |
| 191 | + readAndDrop(); // sgio in modo da verificare l effettivo spegnimento |
| 192 | +} |
| 193 | + |
| 194 | +arduino::GPSClass::operator bool() |
| 195 | +{ |
| 196 | + _serial->write("AT^SGPSC?\r\n", sizeof("AT^SGPSC?\r\n")); |
| 197 | + return checkGNSSEngine("\"Engine\",\"3\""); |
| 198 | +} |
| 199 | + |
| 200 | +static Stream *trace_stream = nullptr; |
| 201 | +static void arduino_print(const char *c) |
| 202 | +{ |
| 203 | + if (trace_stream) |
| 204 | + { |
| 205 | + trace_stream->println(c); |
| 206 | + } |
| 207 | +} |
| 208 | + |
| 209 | +arduino::GPSClass GPS; |
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