GPS module (GYSFDMAXB) 57600 bps
Dependents: HAPS_GPS_Test_0001
GYSFDMAXB GPSセンサーGYSFDMAXBのライブラリ 57600 bps
手順 [1] シリアルピンを設定 GYSFDMAXB gps(tx_pin, rx_pin); [2] 零点を設定する(NED座標系における零点) gps.Initialize(); [3] 自動的にデータを受信しては更新していくので、適宜メンバ変数を読み込んで使う
GYSFDMAXB.cpp@9:8595608c56ca, 2021-04-23 (annotated)
- Committer:
- cocorlow
- Date:
- Fri Apr 23 17:14:46 2021 +0000
- Revision:
- 9:8595608c56ca
- Parent:
- 6:db9f8d2afab7
ok
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
cocorlow | 5:6fc37ae3f262 | 1 | #include "mbed.h" |
cocorlow | 5:6fc37ae3f262 | 2 | #include "GYSFDMAXB.hpp" |
cocorlow | 5:6fc37ae3f262 | 3 | #include <string.h> |
cocorlow | 5:6fc37ae3f262 | 4 | #include <stdlib.h> |
cocorlow | 5:6fc37ae3f262 | 5 | #include "Vector3.hpp" |
cocorlow | 5:6fc37ae3f262 | 6 | #include <math.h> |
cocorlow | 5:6fc37ae3f262 | 7 | #define M_PI 3.14159265358979f |
cocorlow | 5:6fc37ae3f262 | 8 | |
cocorlow | 5:6fc37ae3f262 | 9 | GYSFDMAXB::GYSFDMAXB(PinName tx, PinName rx) |
cocorlow | 9:8595608c56ca | 10 | :serial(tx, rx, 57600), receive_flag(false), start_index(0), uart_index(0) |
cocorlow | 5:6fc37ae3f262 | 11 | { |
cocorlow | 5:6fc37ae3f262 | 12 | for (int i = 0; i < uart_size; i++) |
cocorlow | 5:6fc37ae3f262 | 13 | { |
cocorlow | 5:6fc37ae3f262 | 14 | uart_buffer[i] = '\0'; |
cocorlow | 5:6fc37ae3f262 | 15 | } |
cocorlow | 5:6fc37ae3f262 | 16 | for (int i = 0; i < start_size; i++) |
cocorlow | 5:6fc37ae3f262 | 17 | { |
cocorlow | 5:6fc37ae3f262 | 18 | uart_start[i] = NULL; |
cocorlow | 5:6fc37ae3f262 | 19 | } |
cocorlow | 5:6fc37ae3f262 | 20 | serial.attach(this, &GYSFDMAXB::Receive, Serial::RxIrq); |
cocorlow | 6:db9f8d2afab7 | 21 | timer.attach(this, &GYSFDMAXB::Punctuate, 0.1); |
cocorlow | 5:6fc37ae3f262 | 22 | } |
cocorlow | 5:6fc37ae3f262 | 23 | |
cocorlow | 5:6fc37ae3f262 | 24 | void GYSFDMAXB::Receive() |
cocorlow | 5:6fc37ae3f262 | 25 | { |
cocorlow | 5:6fc37ae3f262 | 26 | while (serial.readable()) |
cocorlow | 5:6fc37ae3f262 | 27 | { |
cocorlow | 5:6fc37ae3f262 | 28 | char c; |
cocorlow | 5:6fc37ae3f262 | 29 | c = serial.getc(); |
cocorlow | 5:6fc37ae3f262 | 30 | if (c == '$') |
cocorlow | 5:6fc37ae3f262 | 31 | { |
cocorlow | 5:6fc37ae3f262 | 32 | uart_buffer[uart_index] = c; |
cocorlow | 5:6fc37ae3f262 | 33 | uart_start[start_index] = &(uart_buffer[uart_index]); |
cocorlow | 5:6fc37ae3f262 | 34 | uart_index = (uart_index + 1) % uart_size; |
cocorlow | 5:6fc37ae3f262 | 35 | } |
cocorlow | 5:6fc37ae3f262 | 36 | else if (c == '\r') |
cocorlow | 5:6fc37ae3f262 | 37 | { |
cocorlow | 5:6fc37ae3f262 | 38 | } |
cocorlow | 5:6fc37ae3f262 | 39 | else if (c == '\n') |
cocorlow | 5:6fc37ae3f262 | 40 | { |
cocorlow | 5:6fc37ae3f262 | 41 | start_index = (start_index + 1) % start_size; |
cocorlow | 5:6fc37ae3f262 | 42 | uart_buffer[uart_index] = '\0'; |
cocorlow | 5:6fc37ae3f262 | 43 | receive_flag = true; |
cocorlow | 5:6fc37ae3f262 | 44 | uart_index = (uart_index + 1) % uart_size; |
cocorlow | 5:6fc37ae3f262 | 45 | } |
cocorlow | 5:6fc37ae3f262 | 46 | else |
cocorlow | 5:6fc37ae3f262 | 47 | { |
cocorlow | 5:6fc37ae3f262 | 48 | uart_buffer[uart_index] = c; |
cocorlow | 5:6fc37ae3f262 | 49 | uart_index = (uart_index + 1) % uart_size; |
cocorlow | 5:6fc37ae3f262 | 50 | } |
cocorlow | 5:6fc37ae3f262 | 51 | } |
cocorlow | 5:6fc37ae3f262 | 52 | } |
cocorlow | 5:6fc37ae3f262 | 53 | |
cocorlow | 5:6fc37ae3f262 | 54 | void GYSFDMAXB::Punctuate() |
cocorlow | 5:6fc37ae3f262 | 55 | { |
cocorlow | 5:6fc37ae3f262 | 56 | volatile static int counter = 0; |
cocorlow | 5:6fc37ae3f262 | 57 | const int delay = 2; |
cocorlow | 5:6fc37ae3f262 | 58 | if (receive_flag) |
cocorlow | 5:6fc37ae3f262 | 59 | { |
cocorlow | 5:6fc37ae3f262 | 60 | counter++; |
cocorlow | 5:6fc37ae3f262 | 61 | } |
cocorlow | 5:6fc37ae3f262 | 62 | if (counter >= delay) |
cocorlow | 5:6fc37ae3f262 | 63 | { |
cocorlow | 5:6fc37ae3f262 | 64 | counter = 0; |
cocorlow | 5:6fc37ae3f262 | 65 | Update(); |
cocorlow | 5:6fc37ae3f262 | 66 | receive_flag = false; |
cocorlow | 5:6fc37ae3f262 | 67 | } |
cocorlow | 5:6fc37ae3f262 | 68 | } |
cocorlow | 5:6fc37ae3f262 | 69 | |
cocorlow | 5:6fc37ae3f262 | 70 | void GYSFDMAXB::Update() |
cocorlow | 5:6fc37ae3f262 | 71 | { |
cocorlow | 6:db9f8d2afab7 | 72 | for (int i = 0; i < start_size; i++) |
cocorlow | 6:db9f8d2afab7 | 73 | { |
cocorlow | 6:db9f8d2afab7 | 74 | if (uart_start[i] != NULL) |
cocorlow | 5:6fc37ae3f262 | 75 | { |
cocorlow | 6:db9f8d2afab7 | 76 | char str[256]; |
cocorlow | 6:db9f8d2afab7 | 77 | char* p[64]; |
cocorlow | 6:db9f8d2afab7 | 78 | int p_index = 0; |
cocorlow | 6:db9f8d2afab7 | 79 | for (int j = 0; j < 64; j++) |
cocorlow | 6:db9f8d2afab7 | 80 | { |
cocorlow | 6:db9f8d2afab7 | 81 | p[j] = NULL; |
cocorlow | 6:db9f8d2afab7 | 82 | } |
cocorlow | 6:db9f8d2afab7 | 83 | strcpy(str, uart_start[i]); |
cocorlow | 6:db9f8d2afab7 | 84 | |
cocorlow | 6:db9f8d2afab7 | 85 | |
cocorlow | 6:db9f8d2afab7 | 86 | char checksum = 0; |
cocorlow | 6:db9f8d2afab7 | 87 | int c_i = 1; |
cocorlow | 6:db9f8d2afab7 | 88 | while (str[c_i] !='*') |
cocorlow | 5:6fc37ae3f262 | 89 | { |
cocorlow | 6:db9f8d2afab7 | 90 | checksum ^= str[c_i]; |
cocorlow | 6:db9f8d2afab7 | 91 | c_i++; |
cocorlow | 6:db9f8d2afab7 | 92 | } |
cocorlow | 6:db9f8d2afab7 | 93 | char data_checksum = 0; |
cocorlow | 6:db9f8d2afab7 | 94 | char cc; |
cocorlow | 6:db9f8d2afab7 | 95 | cc = str[c_i+1]; |
cocorlow | 6:db9f8d2afab7 | 96 | if ('0' <= cc && cc <= '9') |
cocorlow | 6:db9f8d2afab7 | 97 | data_checksum += (cc-'0')*16; |
cocorlow | 6:db9f8d2afab7 | 98 | else |
cocorlow | 6:db9f8d2afab7 | 99 | data_checksum += ((cc-'A')+10)*16; |
cocorlow | 6:db9f8d2afab7 | 100 | cc = str[c_i+2]; |
cocorlow | 6:db9f8d2afab7 | 101 | if ('0' <= cc && cc <= '9') |
cocorlow | 6:db9f8d2afab7 | 102 | data_checksum += (cc-'0'); |
cocorlow | 6:db9f8d2afab7 | 103 | else |
cocorlow | 6:db9f8d2afab7 | 104 | data_checksum += ((cc-'A')+10); |
cocorlow | 6:db9f8d2afab7 | 105 | if (data_checksum != checksum) |
cocorlow | 6:db9f8d2afab7 | 106 | { |
cocorlow | 6:db9f8d2afab7 | 107 | continue; |
cocorlow | 6:db9f8d2afab7 | 108 | } |
cocorlow | 6:db9f8d2afab7 | 109 | |
cocorlow | 6:db9f8d2afab7 | 110 | |
cocorlow | 6:db9f8d2afab7 | 111 | int j = 0; |
cocorlow | 6:db9f8d2afab7 | 112 | p[p_index] = str; |
cocorlow | 6:db9f8d2afab7 | 113 | p_index++; |
cocorlow | 6:db9f8d2afab7 | 114 | while (1) |
cocorlow | 6:db9f8d2afab7 | 115 | { |
cocorlow | 6:db9f8d2afab7 | 116 | if (str[j] == ',') |
cocorlow | 5:6fc37ae3f262 | 117 | { |
cocorlow | 6:db9f8d2afab7 | 118 | p[p_index] = &(str[j + 1]); |
cocorlow | 6:db9f8d2afab7 | 119 | p_index++; |
cocorlow | 6:db9f8d2afab7 | 120 | str[j] = '\0'; |
cocorlow | 5:6fc37ae3f262 | 121 | } |
cocorlow | 6:db9f8d2afab7 | 122 | else if (str[j] == '\0') |
cocorlow | 5:6fc37ae3f262 | 123 | { |
cocorlow | 6:db9f8d2afab7 | 124 | break; |
cocorlow | 5:6fc37ae3f262 | 125 | } |
cocorlow | 6:db9f8d2afab7 | 126 | j++; |
cocorlow | 6:db9f8d2afab7 | 127 | } |
cocorlow | 6:db9f8d2afab7 | 128 | |
cocorlow | 6:db9f8d2afab7 | 129 | |
cocorlow | 6:db9f8d2afab7 | 130 | if (strcmp(p[0], "$GPGGA") == 0) |
cocorlow | 6:db9f8d2afab7 | 131 | { |
cocorlow | 6:db9f8d2afab7 | 132 | if (p[6][0] != '\0') |
cocorlow | 6:db9f8d2afab7 | 133 | Quality = atoi(p[6]); |
cocorlow | 6:db9f8d2afab7 | 134 | Satellites = 0; |
cocorlow | 6:db9f8d2afab7 | 135 | if (p[7][0] != '\0') |
cocorlow | 6:db9f8d2afab7 | 136 | Satellites = atoi(p[7]); |
cocorlow | 6:db9f8d2afab7 | 137 | if (p[8][0] != '\0') |
cocorlow | 6:db9f8d2afab7 | 138 | HDOP = atof(p[8]); |
cocorlow | 6:db9f8d2afab7 | 139 | if (p[9][0] != '\0') |
cocorlow | 6:db9f8d2afab7 | 140 | Elevation = atof(p[9]); |
cocorlow | 6:db9f8d2afab7 | 141 | UnitElevation = p[10][0]; |
cocorlow | 6:db9f8d2afab7 | 142 | if (p[11][0] != '\0') |
cocorlow | 6:db9f8d2afab7 | 143 | GeoidElevation = atof(p[11]); |
cocorlow | 6:db9f8d2afab7 | 144 | UnitGeoidElevation = p[10][0]; |
cocorlow | 6:db9f8d2afab7 | 145 | } |
cocorlow | 6:db9f8d2afab7 | 146 | else if (strcmp(p[0], "$GPGLL") == 0) |
cocorlow | 6:db9f8d2afab7 | 147 | { |
cocorlow | 6:db9f8d2afab7 | 148 | } |
cocorlow | 6:db9f8d2afab7 | 149 | else if (strcmp(p[0], "$GPGSA") == 0) |
cocorlow | 6:db9f8d2afab7 | 150 | { |
cocorlow | 6:db9f8d2afab7 | 151 | } |
cocorlow | 6:db9f8d2afab7 | 152 | else if (strcmp(p[0], "$GPGSV") == 0) |
cocorlow | 6:db9f8d2afab7 | 153 | { |
cocorlow | 6:db9f8d2afab7 | 154 | } |
cocorlow | 6:db9f8d2afab7 | 155 | else if (strcmp(p[0], "$GPRMC") == 0) |
cocorlow | 6:db9f8d2afab7 | 156 | { |
cocorlow | 6:db9f8d2afab7 | 157 | float _ms_deg_1; |
cocorlow | 6:db9f8d2afab7 | 158 | int _ms_deg_2; |
cocorlow | 6:db9f8d2afab7 | 159 | Hours = (p[1][0]-'0')*10+(p[1][1]-'0'); |
cocorlow | 6:db9f8d2afab7 | 160 | Minutes = (p[1][2]-'0')*10+(p[1][3]-'0'); |
cocorlow | 6:db9f8d2afab7 | 161 | Seconds = (p[1][4]-'0')*10+(p[1][5]-'0'); |
cocorlow | 6:db9f8d2afab7 | 162 | Milliseconds = (p[1][7]-'0')*100+(p[1][8]-'0')*10+(p[1][9]-'0'); |
cocorlow | 6:db9f8d2afab7 | 163 | Status = p[2][0]; |
cocorlow | 6:db9f8d2afab7 | 164 | if (p[3][0] != '\0') |
cocorlow | 5:6fc37ae3f262 | 165 | { |
cocorlow | 6:db9f8d2afab7 | 166 | _ms_deg_1 = atof(p[3]); |
cocorlow | 6:db9f8d2afab7 | 167 | _ms_deg_2 = (int)_ms_deg_1 / 100; |
cocorlow | 6:db9f8d2afab7 | 168 | Latitude = _ms_deg_2 + (_ms_deg_1-100.0f*_ms_deg_2)/60.0f; |
cocorlow | 6:db9f8d2afab7 | 169 | } |
cocorlow | 6:db9f8d2afab7 | 170 | N_S = p[4][0]; |
cocorlow | 6:db9f8d2afab7 | 171 | if (p[5][0] != '\0') |
cocorlow | 6:db9f8d2afab7 | 172 | { |
cocorlow | 6:db9f8d2afab7 | 173 | _ms_deg_1 = atof(p[5]); |
cocorlow | 6:db9f8d2afab7 | 174 | _ms_deg_2 = (int)_ms_deg_1 / 100; |
cocorlow | 6:db9f8d2afab7 | 175 | Longitude = _ms_deg_2 + (_ms_deg_1-100.0f*_ms_deg_2)/60.0f; |
cocorlow | 5:6fc37ae3f262 | 176 | } |
cocorlow | 6:db9f8d2afab7 | 177 | E_W = p[6][0]; |
cocorlow | 6:db9f8d2afab7 | 178 | if (p[7][0] != '\0') |
cocorlow | 6:db9f8d2afab7 | 179 | Speed = atof(p[7]); |
cocorlow | 6:db9f8d2afab7 | 180 | if (p[8][0] != '\0') |
cocorlow | 6:db9f8d2afab7 | 181 | Direction = atof(p[8]); |
cocorlow | 6:db9f8d2afab7 | 182 | Day = (p[9][0]-'0')*10+(p[9][1]-'0'); |
cocorlow | 6:db9f8d2afab7 | 183 | Month = (p[9][2]-'0')*10+(p[9][3]-'0'); |
cocorlow | 6:db9f8d2afab7 | 184 | Year = (p[9][4]-'0')*10+(p[9][5]-'0'); |
cocorlow | 6:db9f8d2afab7 | 185 | if (p[10][0] != '\0') |
cocorlow | 6:db9f8d2afab7 | 186 | GeomagneticDeclination = atof(p[10]); |
cocorlow | 6:db9f8d2afab7 | 187 | GeomagneticE_W = p[11][0]; |
cocorlow | 6:db9f8d2afab7 | 188 | Mode = p[12][0]; |
cocorlow | 5:6fc37ae3f262 | 189 | } |
cocorlow | 6:db9f8d2afab7 | 190 | else if (strcmp(p[0], "$GPVTG") == 0) |
cocorlow | 6:db9f8d2afab7 | 191 | { |
cocorlow | 6:db9f8d2afab7 | 192 | } |
cocorlow | 6:db9f8d2afab7 | 193 | else if (strcmp(p[0], "$GPZDA") == 0) |
cocorlow | 6:db9f8d2afab7 | 194 | { |
cocorlow | 6:db9f8d2afab7 | 195 | uart_index = 0; |
cocorlow | 6:db9f8d2afab7 | 196 | } |
cocorlow | 6:db9f8d2afab7 | 197 | |
cocorlow | 6:db9f8d2afab7 | 198 | uart_start[i] = NULL; |
cocorlow | 5:6fc37ae3f262 | 199 | } |
cocorlow | 6:db9f8d2afab7 | 200 | } |
cocorlow | 5:6fc37ae3f262 | 201 | } |
cocorlow | 5:6fc37ae3f262 | 202 | |
cocorlow | 5:6fc37ae3f262 | 203 | void GYSFDMAXB::Initialize() |
cocorlow | 5:6fc37ae3f262 | 204 | { |
cocorlow | 5:6fc37ae3f262 | 205 | Satellites = 0; |
cocorlow | 5:6fc37ae3f262 | 206 | while (Satellites <= 4 || Latitude == 0.0f || Longitude == 0.0f || Elevation == 0.0f) |
cocorlow | 5:6fc37ae3f262 | 207 | { |
cocorlow | 5:6fc37ae3f262 | 208 | } |
cocorlow | 5:6fc37ae3f262 | 209 | CalcurateUnit(); |
cocorlow | 5:6fc37ae3f262 | 210 | } |
cocorlow | 5:6fc37ae3f262 | 211 | |
cocorlow | 5:6fc37ae3f262 | 212 | Vector3 GYSFDMAXB::ToUniversalUnit() |
cocorlow | 5:6fc37ae3f262 | 213 | { |
cocorlow | 5:6fc37ae3f262 | 214 | // 東経180度、北緯0度で精度最大 |
cocorlow | 5:6fc37ae3f262 | 215 | float pi_2_theta = (Latitude * ((N_S == 'N') ? 1.0f : -1.0f)) * M_PI / 180.0f; |
cocorlow | 5:6fc37ae3f262 | 216 | float pi_phi = ((E_W == 'E') ? Longitude - 180.0f : 180.0f - Longitude) * M_PI / 180.0f; |
cocorlow | 5:6fc37ae3f262 | 217 | float x = - cosf(pi_2_theta) * cosf(pi_phi); |
cocorlow | 5:6fc37ae3f262 | 218 | float y = - cosf(pi_2_theta) * sinf(pi_phi); |
cocorlow | 5:6fc37ae3f262 | 219 | float z = sinf(pi_2_theta); |
cocorlow | 5:6fc37ae3f262 | 220 | Vector3 v(x, y, z); |
cocorlow | 5:6fc37ae3f262 | 221 | return v; |
cocorlow | 5:6fc37ae3f262 | 222 | } |
cocorlow | 5:6fc37ae3f262 | 223 | |
cocorlow | 5:6fc37ae3f262 | 224 | Vector3 GYSFDMAXB::ToUniversal() |
cocorlow | 5:6fc37ae3f262 | 225 | { |
cocorlow | 5:6fc37ae3f262 | 226 | Vector3 v = ToUniversalUnit(); |
cocorlow | 5:6fc37ae3f262 | 227 | return (Radius + Elevation) * v; |
cocorlow | 5:6fc37ae3f262 | 228 | } |
cocorlow | 5:6fc37ae3f262 | 229 | |
cocorlow | 5:6fc37ae3f262 | 230 | void GYSFDMAXB::CalcurateUnit() |
cocorlow | 5:6fc37ae3f262 | 231 | { |
cocorlow | 5:6fc37ae3f262 | 232 | Vector3 _d = -1.0f * ToUniversalUnit(); |
cocorlow | 5:6fc37ae3f262 | 233 | |
cocorlow | 5:6fc37ae3f262 | 234 | UniversalZeroPosition = -(Radius+Elevation)*_d; |
cocorlow | 5:6fc37ae3f262 | 235 | Vector3 _z(0.0f, 0.0f, 1.0f); |
cocorlow | 5:6fc37ae3f262 | 236 | Vector3 _e = _d * _z; |
cocorlow | 5:6fc37ae3f262 | 237 | Vector3 _n = _e * _d; |
cocorlow | 5:6fc37ae3f262 | 238 | UniversalZeroUnitN = _n; |
cocorlow | 5:6fc37ae3f262 | 239 | UniversalZeroUnitE = _e; |
cocorlow | 5:6fc37ae3f262 | 240 | UniversalZeroUnitD = _d; |
cocorlow | 5:6fc37ae3f262 | 241 | } |
cocorlow | 5:6fc37ae3f262 | 242 | |
cocorlow | 5:6fc37ae3f262 | 243 | void GYSFDMAXB::Calcurate() |
cocorlow | 5:6fc37ae3f262 | 244 | { |
cocorlow | 5:6fc37ae3f262 | 245 | UniversalPosition = ToUniversal(); |
cocorlow | 5:6fc37ae3f262 | 246 | Vector3 relative = UniversalPosition - UniversalZeroPosition; |
cocorlow | 5:6fc37ae3f262 | 247 | Vector3 _position(relative % UniversalZeroUnitN, relative % UniversalZeroUnitE, relative % UniversalZeroUnitD); |
cocorlow | 5:6fc37ae3f262 | 248 | Position = _position; |
cocorlow | 5:6fc37ae3f262 | 249 | } |
cocorlow | 5:6fc37ae3f262 | 250 | |
cocorlow | 5:6fc37ae3f262 | 251 | Vector3 GYSFDMAXB::Calcurate(Vector3 position) |
cocorlow | 5:6fc37ae3f262 | 252 | { |
cocorlow | 5:6fc37ae3f262 | 253 | UniversalPosition = ToUniversal(); |
cocorlow | 5:6fc37ae3f262 | 254 | Vector3 relative = position - UniversalZeroPosition; |
cocorlow | 5:6fc37ae3f262 | 255 | Vector3 _position(relative % UniversalZeroUnitN, relative % UniversalZeroUnitE, relative % UniversalZeroUnitD); |
cocorlow | 5:6fc37ae3f262 | 256 | return _position; |
cocorlow | 5:6fc37ae3f262 | 257 | } |