2017.11伊豆大島共同打ち上げ実験のデータ取得&保存&無線送信用プログラム
Dependencies: BMP180 MPU6050 SDFileSystem mbed
Fork of 2017_11_1768 by
main.cpp@3:71a45bae8a37, 2017-10-21 (annotated)
- Committer:
- oichan
- Date:
- Sat Oct 21 16:11:16 2017 +0000
- Revision:
- 3:71a45bae8a37
- Parent:
- 2:0cf17bba70ec
- Child:
- 4:4920f8106896
a little change
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 0:bdbd3d6fc5d5 | 1 | #include "mbed.h" |
oichan | 2:0cf17bba70ec | 2 | #include "math.h" |
oichan | 2:0cf17bba70ec | 3 | #include "MPU6050.h" |
oichan | 2:0cf17bba70ec | 4 | #include "BMP180.h" |
mbed_official | 0:bdbd3d6fc5d5 | 5 | #include "SDFileSystem.h" |
oichan | 2:0cf17bba70ec | 6 | |
oichan | 2:0cf17bba70ec | 7 | #define RATE 20 |
oichan | 2:0cf17bba70ec | 8 | #define MAX_JUDGE_TIME_s 3.0 |
oichan | 2:0cf17bba70ec | 9 | #define p0 1013.25f |
oichan | 2:0cf17bba70ec | 10 | |
oichan | 2:0cf17bba70ec | 11 | BMP180 bmp(p28,p27); |
oichan | 2:0cf17bba70ec | 12 | MPU6050 mpu(p28,p27); |
oichan | 2:0cf17bba70ec | 13 | Timer timer; |
oichan | 2:0cf17bba70ec | 14 | Timer alt_timer; |
oichan | 2:0cf17bba70ec | 15 | Ticker logtimer; |
oichan | 3:71a45bae8a37 | 16 | DigitalOut oshirase1(p19); |
oichan | 3:71a45bae8a37 | 17 | DigitalInOut oshirase2(p20); |
oichan | 2:0cf17bba70ec | 18 | Serial pc(USBTX,USBRX); |
oichan | 2:0cf17bba70ec | 19 | Serial gps(p13,p14); |
oichan | 2:0cf17bba70ec | 20 | Serial twe(p9,p10); |
oichan | 2:0cf17bba70ec | 21 | SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board |
oichan | 2:0cf17bba70ec | 22 | LocalFileSystem local("local"); |
oichan | 2:0cf17bba70ec | 23 | FILE *fp; |
oichan | 2:0cf17bba70ec | 24 | |
oichan | 2:0cf17bba70ec | 25 | /* 自作関数 */ |
oichan | 2:0cf17bba70ec | 26 | void _flight(); |
oichan | 2:0cf17bba70ec | 27 | void _log(); |
oichan | 2:0cf17bba70ec | 28 | float _getAlt(float press, float temp); |
oichan | 2:0cf17bba70ec | 29 | float _DMS2DEG(float raw_data); |
oichan | 2:0cf17bba70ec | 30 | float _median(float data[], int num); |
oichan | 3:71a45bae8a37 | 31 | //int _input(char c); |
oichan | 2:0cf17bba70ec | 32 | |
oichan | 2:0cf17bba70ec | 33 | /* グローバル変数 */ |
oichan | 2:0cf17bba70ec | 34 | float a[3]; |
oichan | 2:0cf17bba70ec | 35 | float Land_Alt; |
oichan | 2:0cf17bba70ec | 36 | float Max_Alt=0; |
oichan | 2:0cf17bba70ec | 37 | float Alt_buff[10]; |
oichan | 2:0cf17bba70ec | 38 | float Pressure,Temperature,Altitude; |
oichan | 2:0cf17bba70ec | 39 | float Time; |
oichan | 2:0cf17bba70ec | 40 | char gps_data[256]; |
oichan | 3:71a45bae8a37 | 41 | char c; |
oichan | 2:0cf17bba70ec | 42 | int cnt_gps; |
oichan | 2:0cf17bba70ec | 43 | int Log_cnt=0; |
oichan | 2:0cf17bba70ec | 44 | |
oichan | 2:0cf17bba70ec | 45 | |
mbed_official | 0:bdbd3d6fc5d5 | 46 | int main() { |
oichan | 2:0cf17bba70ec | 47 | printf("Hello World!\n"); |
oichan | 2:0cf17bba70ec | 48 | twe.baud(115200); |
oichan | 2:0cf17bba70ec | 49 | mpu.setAcceleroRange(0); |
oichan | 2:0cf17bba70ec | 50 | bmp.Initialize(64,BMP180_OSS_ULTRA_LOW_POWER); |
oichan | 3:71a45bae8a37 | 51 | oshirase2.output(); |
mbed_official | 0:bdbd3d6fc5d5 | 52 | mkdir("/sd/mydir", 0777); |
oichan | 3:71a45bae8a37 | 53 | oshirase1 = 0; |
oichan | 3:71a45bae8a37 | 54 | oshirase2 = 0; |
oichan | 3:71a45bae8a37 | 55 | /* while(1){ |
oichan | 3:71a45bae8a37 | 56 | if(_input(c)==-1){ |
oichan | 3:71a45bae8a37 | 57 | oshirase1 = 0; |
oichan | 3:71a45bae8a37 | 58 | oshirase2 = 1; |
oichan | 3:71a45bae8a37 | 59 | */ _flight(); |
oichan | 3:71a45bae8a37 | 60 | /* break; |
oichan | 3:71a45bae8a37 | 61 | }else if(_input(c)==1){ |
oichan | 3:71a45bae8a37 | 62 | oshirase1 = 1; |
oichan | 3:71a45bae8a37 | 63 | oshirase2 = 0; |
oichan | 3:71a45bae8a37 | 64 | while(1){ |
oichan | 3:71a45bae8a37 | 65 | if(_input(c)==3){ |
oichan | 3:71a45bae8a37 | 66 | oshirase1 = 1; |
oichan | 3:71a45bae8a37 | 67 | oshirase2 = 1; |
oichan | 3:71a45bae8a37 | 68 | break; |
oichan | 3:71a45bae8a37 | 69 | }else if(_input(c)==7){ |
oichan | 3:71a45bae8a37 | 70 | oshirase1 = 0; |
oichan | 3:71a45bae8a37 | 71 | oshirase2 = 0; |
oichan | 3:71a45bae8a37 | 72 | break; |
oichan | 3:71a45bae8a37 | 73 | } |
oichan | 3:71a45bae8a37 | 74 | } |
oichan | 3:71a45bae8a37 | 75 | } |
oichan | 3:71a45bae8a37 | 76 | } |
oichan | 3:71a45bae8a37 | 77 | */ while(1); |
oichan | 2:0cf17bba70ec | 78 | } |
oichan | 2:0cf17bba70ec | 79 | |
oichan | 2:0cf17bba70ec | 80 | |
oichan | 2:0cf17bba70ec | 81 | /* フライトモード用関数 */ |
oichan | 2:0cf17bba70ec | 82 | void _flight(){ |
oichan | 2:0cf17bba70ec | 83 | |
oichan | 2:0cf17bba70ec | 84 | /* 地上高度取得 */ |
oichan | 2:0cf17bba70ec | 85 | for(int i=0;i<10;i++){ |
oichan | 2:0cf17bba70ec | 86 | bmp.ReadData(&Temperature,&Pressure); |
oichan | 2:0cf17bba70ec | 87 | Alt_buff[i] = _getAlt(Pressure,Temperature); |
oichan | 2:0cf17bba70ec | 88 | } |
oichan | 2:0cf17bba70ec | 89 | Land_Alt = _median(Alt_buff,10); |
oichan | 3:71a45bae8a37 | 90 | Max_Alt = Land_Alt; |
oichan | 2:0cf17bba70ec | 91 | FILE *lfp = fopen("/local/alt.txt","a"); |
oichan | 2:0cf17bba70ec | 92 | fprintf(lfp,"地上高度:%f\r\n",Land_Alt); |
oichan | 2:0cf17bba70ec | 93 | fclose(lfp); |
oichan | 2:0cf17bba70ec | 94 | for(int i=0;i<10;i++)pc.printf("%f\n\r",Alt_buff[i]); |
mbed_official | 0:bdbd3d6fc5d5 | 95 | |
oichan | 2:0cf17bba70ec | 96 | /* データ取得開始 */ |
oichan | 2:0cf17bba70ec | 97 | timer.start(); |
oichan | 2:0cf17bba70ec | 98 | logtimer.attach(_log,1.0/RATE); |
oichan | 3:71a45bae8a37 | 99 | alt_timer.start(); //発射判定後にスタートするようにする!! |
oichan | 2:0cf17bba70ec | 100 | |
oichan | 2:0cf17bba70ec | 101 | /* GPS取得&送信 */ |
oichan | 2:0cf17bba70ec | 102 | while(1){ |
oichan | 2:0cf17bba70ec | 103 | gps_data[cnt_gps] = gps.getc(); |
oichan | 2:0cf17bba70ec | 104 | if(gps_data[cnt_gps] == '$' || cnt_gps ==256){ |
oichan | 2:0cf17bba70ec | 105 | cnt_gps = 0; |
oichan | 2:0cf17bba70ec | 106 | memset(gps_data,'\0',256); |
oichan | 2:0cf17bba70ec | 107 | }else if(gps_data[cnt_gps] == '\r'){ |
oichan | 2:0cf17bba70ec | 108 | float world_time, lon_east, lat_north; |
oichan | 2:0cf17bba70ec | 109 | int rlock, sat_num; |
oichan | 2:0cf17bba70ec | 110 | char lat,lon; |
oichan | 2:0cf17bba70ec | 111 | if(sscanf(gps_data,"GPGGA,%f,%f,%c,%f,%c,%d,%d",&world_time,&lat_north,&lat,&lon_east,&lon,&rlock,&sat_num)>=1){ |
oichan | 2:0cf17bba70ec | 112 | if(rlock==1){ |
oichan | 2:0cf17bba70ec | 113 | lat_north = _DMS2DEG(lat_north); |
oichan | 2:0cf17bba70ec | 114 | lon_east = _DMS2DEG(lon_east); |
oichan | 2:0cf17bba70ec | 115 | twe.printf("max altitude:%f\r\n",Max_Alt); |
oichan | 2:0cf17bba70ec | 116 | twe.printf("%s\r\n",gps_data); |
oichan | 2:0cf17bba70ec | 117 | twe.printf("Lat:%f,Lon:%f\r\ntime:%f,sat_num:%d\r\n",lat_north,lon_east,world_time,sat_num); |
oichan | 2:0cf17bba70ec | 118 | }else{ |
oichan | 2:0cf17bba70ec | 119 | twe.printf("max altitude:%f\r\n",Max_Alt); |
oichan | 2:0cf17bba70ec | 120 | twe.printf("%s\r\n",gps_data); |
oichan | 2:0cf17bba70ec | 121 | } |
oichan | 2:0cf17bba70ec | 122 | } |
oichan | 2:0cf17bba70ec | 123 | }else{ |
oichan | 2:0cf17bba70ec | 124 | cnt_gps++; |
oichan | 2:0cf17bba70ec | 125 | } |
oichan | 2:0cf17bba70ec | 126 | } |
oichan | 2:0cf17bba70ec | 127 | } |
oichan | 2:0cf17bba70ec | 128 | |
oichan | 2:0cf17bba70ec | 129 | |
oichan | 2:0cf17bba70ec | 130 | /* データ取得&保存関数 */ |
oichan | 2:0cf17bba70ec | 131 | void _log(){ |
oichan | 2:0cf17bba70ec | 132 | Time = timer.read(); |
oichan | 2:0cf17bba70ec | 133 | mpu.getAccelero(a); |
oichan | 2:0cf17bba70ec | 134 | bmp.ReadData(&Temperature,&Pressure); |
oichan | 2:0cf17bba70ec | 135 | Altitude = _getAlt(Pressure,Temperature); |
oichan | 3:71a45bae8a37 | 136 | //TODO:発射判定後に行うようにする!!(ここから) |
oichan | 2:0cf17bba70ec | 137 | if(Altitude > Max_Alt){ |
oichan | 2:0cf17bba70ec | 138 | Max_Alt = Altitude; |
oichan | 2:0cf17bba70ec | 139 | alt_timer.reset(); |
mbed_official | 0:bdbd3d6fc5d5 | 140 | } |
oichan | 2:0cf17bba70ec | 141 | if(alt_timer.read() > MAX_JUDGE_TIME_s){ |
oichan | 2:0cf17bba70ec | 142 | alt_timer.reset(); |
oichan | 2:0cf17bba70ec | 143 | alt_timer.stop(); |
oichan | 2:0cf17bba70ec | 144 | FILE *lfp = fopen("/local/alt.txt","a"); |
oichan | 2:0cf17bba70ec | 145 | fprintf(lfp,"最高高度:%f\r\n",Max_Alt); |
oichan | 2:0cf17bba70ec | 146 | fclose(lfp); |
oichan | 2:0cf17bba70ec | 147 | } |
oichan | 3:71a45bae8a37 | 148 | //TODO:発射判定後に行うようにする!!(ここまで) |
oichan | 2:0cf17bba70ec | 149 | if(Log_cnt==0) { |
oichan | 2:0cf17bba70ec | 150 | fp = fopen("/sd/mydir/sdtest.txt", "a"); |
oichan | 2:0cf17bba70ec | 151 | } |
oichan | 2:0cf17bba70ec | 152 | fprintf(fp, "%f, %f, %f, %f, %f, %f, %f \r\n",Time, Temperature, Pressure, Altitude, a[0],a[1],a[2]); |
oichan | 2:0cf17bba70ec | 153 | Log_cnt++; |
oichan | 2:0cf17bba70ec | 154 | if(Log_cnt==RATE){ |
oichan | 2:0cf17bba70ec | 155 | fclose(fp); |
oichan | 2:0cf17bba70ec | 156 | Log_cnt = 0; |
oichan | 2:0cf17bba70ec | 157 | } |
oichan | 2:0cf17bba70ec | 158 | pc.printf("%f, %f, %f, %f, %f, %f, %f \r\n",Time, Temperature, Pressure, Altitude, a[0],a[1],a[2]); |
oichan | 2:0cf17bba70ec | 159 | } |
oichan | 2:0cf17bba70ec | 160 | |
oichan | 2:0cf17bba70ec | 161 | |
oichan | 2:0cf17bba70ec | 162 | /* 高度計算関数 */ |
oichan | 2:0cf17bba70ec | 163 | float _getAlt(float press, float temp){ |
oichan | 2:0cf17bba70ec | 164 | return (pow((p0/press), (1.0f/5.257f))-1.0f)*(temp+273.15f)/0.0065f; |
mbed_official | 0:bdbd3d6fc5d5 | 165 | } |
oichan | 2:0cf17bba70ec | 166 | |
oichan | 2:0cf17bba70ec | 167 | |
oichan | 3:71a45bae8a37 | 168 | /* 緯度経度計算関数 */ |
oichan | 2:0cf17bba70ec | 169 | float _DMS2DEG(float raw_data){ |
oichan | 2:0cf17bba70ec | 170 | int d = (int)(raw_data/100); |
oichan | 2:0cf17bba70ec | 171 | float m = (raw_data - (float)d*100); |
oichan | 2:0cf17bba70ec | 172 | return (float)d + m/60; |
oichan | 2:0cf17bba70ec | 173 | } |
oichan | 2:0cf17bba70ec | 174 | |
oichan | 2:0cf17bba70ec | 175 | |
oichan | 2:0cf17bba70ec | 176 | /* 中央値計算関数 */ |
oichan | 2:0cf17bba70ec | 177 | float _median(float data[], int num){//todo:処理時間計測 |
oichan | 2:0cf17bba70ec | 178 | float *data_cpy, ans; |
oichan | 2:0cf17bba70ec | 179 | data_cpy = new float[num]; |
oichan | 2:0cf17bba70ec | 180 | memcpy(data_cpy,data,sizeof(float)*num); |
oichan | 2:0cf17bba70ec | 181 | |
oichan | 2:0cf17bba70ec | 182 | for(int i=0; i<num; i++){ |
oichan | 2:0cf17bba70ec | 183 | for(int j=0; j<num-i-1; j++){ |
oichan | 2:0cf17bba70ec | 184 | if(data_cpy[j]>data_cpy[j+1]){ |
oichan | 2:0cf17bba70ec | 185 | float buff = data_cpy[j+1]; |
oichan | 2:0cf17bba70ec | 186 | data_cpy[j+1] = data_cpy[j]; |
oichan | 2:0cf17bba70ec | 187 | data_cpy[j] = buff; |
oichan | 2:0cf17bba70ec | 188 | } |
oichan | 2:0cf17bba70ec | 189 | } |
oichan | 2:0cf17bba70ec | 190 | } |
oichan | 2:0cf17bba70ec | 191 | |
oichan | 2:0cf17bba70ec | 192 | if(num%2!=0) ans = data_cpy[num/2]; |
oichan | 2:0cf17bba70ec | 193 | else ans = (data_cpy[num/2-1]+data_cpy[num/2])/2.0; |
oichan | 2:0cf17bba70ec | 194 | delete[] data_cpy; |
oichan | 2:0cf17bba70ec | 195 | return ans; |
oichan | 2:0cf17bba70ec | 196 | } |
oichan | 3:71a45bae8a37 | 197 | |
oichan | 3:71a45bae8a37 | 198 | int _input(char c){ |
oichan | 3:71a45bae8a37 | 199 | if(c!='\0'){ |
oichan | 3:71a45bae8a37 | 200 | // pc.printf("%c\r\n",c); |
oichan | 3:71a45bae8a37 | 201 | } |
oichan | 3:71a45bae8a37 | 202 | if(c=='f'){ |
oichan | 3:71a45bae8a37 | 203 | // pc.printf("flight mode on\r\n"); |
oichan | 3:71a45bae8a37 | 204 | return -1; |
oichan | 3:71a45bae8a37 | 205 | } |
oichan | 3:71a45bae8a37 | 206 | return 0; |
oichan | 3:71a45bae8a37 | 207 | } |