void initSensors(void){
// TODO: init the GPS here
fd = init_I2C();
init_compass(fd);
gpioInit();
gpsRet = init_GPS();
}
void main() {
int fd, res;
fd = init_GPS();
if (fd < 0)
{
printf("Failed to initialize GPS. Returning.\n");
return;
}
printf("Open success\n");
while (res != -1)
{
fprintf(stderr,"Iteration begin");
res = read_GPS(fd);
printf("Iteration done\n");
}
printf("Exception - exiting program.\n");
return;
}
int main(void)
{
DDRF = 0;
char GPS[100];
char dylos[10];
char GPS_line = 0;
char dylos_line = 0;
char sd_buff[150];
char buffer[30];
int GPS_data[15];
int dylos_data[2];
int C3H8, CH4, CO, H2S, F;
char new_GPS_data = 0;
char new_dylos_data = 0;
FRESULT fr;
int ppm2[151];
ppm2[0] = 10478;
ppm2[1] = 9706;
ppm2[2] = 9015;
ppm2[3] = 8394;
ppm2[4] = 7834;
ppm2[5] = 7327;
ppm2[6] = 6868;
ppm2[7] = 6449;
ppm2[8] = 6068;
ppm2[9] = 5718;
ppm2[10] = 5398;
ppm2[11] = 5103;
ppm2[12] = 4831;
ppm2[13] = 4581;
ppm2[14] = 4349;
ppm2[15] = 4133;
ppm2[16] = 3934;
ppm2[17] = 3748;
ppm2[18] = 3575;
ppm2[19] = 3413;
ppm2[20] = 3262;
ppm2[21] = 3121;
ppm2[22] = 2988;
ppm2[23] = 2864;
ppm2[24] = 2747;
ppm2[25] = 2637;
ppm2[26] = 2533;
ppm2[27] = 2435;
ppm2[28] = 2343;
ppm2[29] = 2256;
ppm2[30] = 2173;
ppm2[31] = 2095;
ppm2[32] = 2021;
ppm2[33] = 1951;
ppm2[34] = 1884;
ppm2[35] = 1821;
ppm2[36] = 1760;
ppm2[37] = 1703;
ppm2[38] = 1648;
ppm2[39] = 1596;
ppm2[40] = 1546;
ppm2[41] = 1499;
ppm2[42] = 1454;
ppm2[43] = 1410;
ppm2[44] = 1369;
ppm2[45] = 1329;
ppm2[46] = 1291;
ppm2[47] = 1254;
ppm2[48] = 1220;
ppm2[49] = 1186;
ppm2[50] = 1154;
ppm2[51] = 1123;
ppm2[52] = 1093;
ppm2[53] = 1065;
ppm2[54] = 1037;
ppm2[55] = 1011;
ppm2[56] = 985;
ppm2[57] = 961;
ppm2[58] = 937;
ppm2[59] = 914;
ppm2[60] = 892;
ppm2[61] = 871;
ppm2[62] = 851;
ppm2[63] = 831;
ppm2[64] = 812;
ppm2[65] = 793;
ppm2[66] = 775;
ppm2[67] = 758;
ppm2[68] = 741;
ppm2[69] = 725;
ppm2[70] = 710;
ppm2[71] = 694;
ppm2[72] = 680;
ppm2[73] = 667;
ppm2[74] = 652;
ppm2[75] = 638;
ppm2[76] = 625;
ppm2[77] = 613;
ppm2[78] = 601;
ppm2[79] = 589;
ppm2[80] = 577;
ppm2[81] = 566;
ppm2[82] = 555;
ppm2[83] = 545;
ppm2[84] = 534;
ppm2[85] = 524;
ppm2[86] = 515;
ppm2[87] = 505;
ppm2[88] = 496;
ppm2[89] = 487;
ppm2[90] = 478;
ppm2[91] = 470;
ppm2[92] = 461;
ppm2[93] = 453;
ppm2[94] = 446;
ppm2[95] = 438;
ppm2[96] = 430;
ppm2[97] = 423;
ppm2[98] = 416;
ppm2[99] = 409;
ppm2[100] = 402;
ppm2[101] = 396;
ppm2[102] = 389;
ppm2[103] = 383;
ppm2[104] = 377;
ppm2[105] = 371;
ppm2[106] = 365;
ppm2[107] = 359;
ppm2[108] = 354;
ppm2[109] = 348;
ppm2[110] = 343;
ppm2[111] = 338;
ppm2[112] = 333;
ppm2[113] = 328;
ppm2[114] = 323;
ppm2[115] = 318;
ppm2[116] = 313;
ppm2[117] = 309;
ppm2[118] = 304;
ppm2[119] = 300;
ppm2[120] = 296;
ppm2[121] = 292;
ppm2[122] = 287;
ppm2[123] = 283;
ppm2[124] = 279;
ppm2[125] = 276;
ppm2[126] = 272;
ppm2[127] = 268;
ppm2[128] = 265;
ppm2[129] = 261;
ppm2[130] = 257;
ppm2[131] = 254;
ppm2[132] = 251;
ppm2[133] = 247;
ppm2[134] = 244;
ppm2[135] = 241;
ppm2[136] = 238;
ppm2[137] = 235;
ppm2[138] = 232;
ppm2[139] = 229;
ppm2[140] = 226;
ppm2[141] = 223;
ppm2[142] = 220;
ppm2[143] = 218;
ppm2[144] = 215;
ppm2[145] = 212;
ppm2[146] = 210;
ppm2[147] = 207;
ppm2[148] = 205;
ppm2[149] = 202;
ppm2[150] = 200;
int ppm5[151];
ppm5[0] = 9867;
ppm5[1] = 9291;
ppm5[2] = 8760;
ppm5[3] = 8271;
ppm5[4] = 7819;
ppm5[5] = 7400;
ppm5[6] = 7012;
ppm5[7] = 6652;
ppm5[8] = 6317;
ppm5[9] = 6005;
ppm5[10] = 5714;
ppm5[11] = 5443;
ppm5[12] = 5189;
ppm5[13] = 4951;
ppm5[14] = 4728;
ppm5[15] = 4518;
ppm5[16] = 4322;
ppm5[17] = 4137;
ppm5[18] = 3963;
ppm5[19] = 3799;
ppm5[20] = 3644;
ppm5[21] = 3498;
ppm5[22] = 3360;
ppm5[23] = 3229;
ppm5[24] = 3106;
ppm5[25] = 2988;
ppm5[26] = 2772;
ppm5[27] = 2672;
ppm5[28] = 2577;
ppm5[29] = 2486;
ppm5[30] = 2400;
ppm5[31] = 2318;
ppm5[32] = 2240;
ppm5[33] = 2165;
ppm5[34] = 2094;
ppm5[35] = 2026;
ppm5[36] = 1961;
ppm5[37] = 1899;
ppm5[38] = 1839;
ppm5[39] = 1783;
ppm5[40] = 1728;
ppm5[41] = 1676;
ppm5[42] = 1626;
ppm5[43] = 1578;
ppm5[44] = 1532;
ppm5[45] = 1488;
ppm5[46] = 1446;
ppm5[47] = 1405;
ppm5[48] = 1366;
ppm5[49] = 1328;
ppm5[50] = 1292;
ppm5[51] = 1257;
ppm5[52] = 1223;
ppm5[53] = 1191;
ppm5[54] = 1160;
ppm5[55] = 1130;
ppm5[56] = 1101;
ppm5[57] = 1073;
ppm5[58] = 1046;
ppm5[59] = 1020;
ppm5[60] = 995;
ppm5[61] = 971;
ppm5[62] = 947;
ppm5[63] = 924;
ppm5[64] = 903;
ppm5[65] = 881;
ppm5[66] = 861;
ppm5[67] = 841;
ppm5[68] = 822;
ppm5[69] = 803;
ppm5[70] = 785;
ppm5[71] = 768;
ppm5[72] = 751;
ppm5[73] = 734;
ppm5[74] = 718;
ppm5[75] = 703;
ppm5[76] = 688;
ppm5[77] = 673;
ppm5[78] = 659;
ppm5[79] = 645;
ppm5[80] = 632;
ppm5[81] = 619;
ppm5[82] = 606;
ppm5[83] = 594;
ppm5[84] = 582;
ppm5[85] = 571;
ppm5[86] = 559;
ppm5[87] = 549;
ppm5[88] = 538;
ppm5[89] = 528;
ppm5[90] = 517;
ppm5[91] = 508;
ppm5[92] = 498;
ppm5[93] = 489;
ppm5[94] = 480;
ppm5[95] = 471;
ppm5[96] = 462;
ppm5[97] = 454;
ppm5[98] = 446;
ppm5[99] = 438;
ppm5[100] = 430;
ppm5[101] = 422;
ppm5[102] = 415;
ppm5[103] = 408;
ppm5[104] = 401;
ppm5[105] = 394;
ppm5[106] = 387;
ppm5[107] = 380;
ppm5[108] = 374;
ppm5[109] = 368;
ppm5[110] = 362;
ppm5[111] = 356;
ppm5[112] = 350;
ppm5[113] = 344;
ppm5[114] = 339;
ppm5[115] = 333;
ppm5[116] = 328;
ppm5[117] = 323;
ppm5[118] = 317;
ppm5[119] = 312;
ppm5[120] = 308;
ppm5[121] = 303;
ppm5[122] = 298;
ppm5[123] = 294;
ppm5[124] = 289;
ppm5[125] = 285;
ppm5[126] = 280;
ppm5[127] = 276;
ppm5[128] = 272;
ppm5[129] = 268;
ppm5[130] = 264;
ppm5[131] = 260;
ppm5[132] = 256;
ppm5[133] = 253;
ppm5[134] = 249;
ppm5[135] = 246;
ppm5[136] = 242;
ppm5[137] = 239;
ppm5[138] = 235;
ppm5[139] = 232;
ppm5[140] = 229;
ppm5[141] = 226;
ppm5[142] = 222;
ppm5[143] = 219;
ppm5[144] = 216;
ppm5[145] = 214;
ppm5[146] = 211;
ppm5[147] = 208;
ppm5[148] = 205;
ppm5[149] = 202;
ppm5[150] = 200;
int ppm7[151];
ppm7[0] = 4112;
ppm7[1] = 3495;
ppm7[2] = 3017;
ppm7[3] = 2638;
ppm7[4] = 2332;
ppm7[5] = 2080;
ppm7[6] = 1870;
ppm7[7] = 1692;
ppm7[8] = 1541;
ppm7[9] = 1411;
ppm7[10] = 1298;
ppm7[11] = 1199;
ppm7[12] = 1112;
ppm7[13] = 1035;
ppm7[14] = 967;
ppm7[15] = 905;
ppm7[16] = 850;
ppm7[17] = 800;
ppm7[18] = 755;
ppm7[19] = 714;
ppm7[20] = 676;
ppm7[21] = 641;
ppm7[22] = 610;
ppm7[23] = 581;
ppm7[24] = 554;
ppm7[25] = 529;
ppm7[26] = 506;
ppm7[27] = 484;
ppm7[28] = 464;
ppm7[29] = 445;
ppm7[30] = 428;
ppm7[31] = 412;
ppm7[32] = 396;
ppm7[33] = 382;
ppm7[34] = 368;
ppm7[35] = 355;
ppm7[36] = 343;
ppm7[37] = 332;
ppm7[38] = 321;
ppm7[39] = 311;
ppm7[40] = 301;
ppm7[41] = 292;
ppm7[42] = 283;
ppm7[43] = 275;
ppm7[44] = 267;
ppm7[45] = 259;
ppm7[46] = 252;
ppm7[47] = 245;
ppm7[48] = 238;
ppm7[49] = 232;
ppm7[50] = 226;
ppm7[51] = 220;
ppm7[52] = 215;
ppm7[53] = 209;
ppm7[54] = 204;
ppm7[55] = 199;
ppm7[56] = 195;
ppm7[57] = 190;
ppm7[58] = 186;
ppm7[59] = 181;
ppm7[60] = 177;
ppm7[61] = 174;
ppm7[62] = 170;
ppm7[63] = 166;
ppm7[64] = 163;
ppm7[65] = 159;
ppm7[66] = 156;
ppm7[67] = 153;
ppm7[68] = 150;
ppm7[69] = 147;
ppm7[70] = 144;
ppm7[71] = 141;
ppm7[72] = 139;
ppm7[73] = 136;
ppm7[74] = 133;
ppm7[75] = 131;
ppm7[76] = 129;
ppm7[77] = 126;
ppm7[78] = 124;
ppm7[79] = 122;
ppm7[80] = 120;
ppm7[81] = 118;
ppm7[82] = 116;
ppm7[83] = 114;
ppm7[84] = 112;
ppm7[85] = 110;
ppm7[86] = 108;
ppm7[87] = 107;
ppm7[88] = 105;
ppm7[89] = 103;
ppm7[90] = 102;
ppm7[91] = 100;
ppm7[92] = 99;
ppm7[93] = 97;
ppm7[94] = 96;
ppm7[95] = 94;
ppm7[96] = 93;
ppm7[97] = 91;
ppm7[98] = 90;
ppm7[99] = 89;
ppm7[100] = 88;
ppm7[101] = 86;
ppm7[102] = 85;
ppm7[103] = 84;
ppm7[104] = 83;
ppm7[105] = 82;
ppm7[106] = 81;
ppm7[107] = 80;
ppm7[108] = 79;
ppm7[109] = 78;
ppm7[110] = 77;
ppm7[111] = 76;
ppm7[112] = 75;
ppm7[113] = 74;
ppm7[114] = 73;
ppm7[115] = 72;
ppm7[116] = 71;
ppm7[117] = 70;
ppm7[118] = 69;
ppm7[119] = 68;
ppm7[120] = 68;
ppm7[121] = 67;
ppm7[122] = 66;
ppm7[123] = 65;
ppm7[124] = 64;
ppm7[125] = 64;
ppm7[126] = 63;
ppm7[127] = 62;
ppm7[128] = 62;
ppm7[129] = 61;
ppm7[130] = 60;
ppm7[131] = 60;
ppm7[132] = 59;
ppm7[133] = 58;
ppm7[134] = 58;
ppm7[135] = 57;
ppm7[136] = 56;
ppm7[137] = 56;
ppm7[138] = 55;
ppm7[139] = 55;
ppm7[140] = 54;
ppm7[141] = 54;
ppm7[142] = 53;
ppm7[143] = 52;
ppm7[144] = 52;
ppm7[145] = 51;
ppm7[146] = 51;
ppm7[147] = 50;
ppm7[148] = 50;
ppm7[149] = 49;
ppm7[150] = 49;
int ppm136[161];
ppm136[0] = 199;
ppm136[1] = 194;
ppm136[2] = 188;
ppm136[3] = 183;
ppm136[4] = 178;
ppm136[5] = 173;
ppm136[6] = 168;
ppm136[7] = 163;
ppm136[8] = 159;
ppm136[9] = 154;
ppm136[10] = 150;
ppm136[11] = 146;
ppm136[12] = 142;
ppm136[13] = 139;
ppm136[14] = 135;
ppm136[15] = 131;
ppm136[16] = 128;
ppm136[17] = 125;
ppm136[18] = 122;
ppm136[19] = 119;
ppm136[20] = 116;
ppm136[21] = 113;
ppm136[22] = 110;
ppm136[23] = 107;
ppm136[24] = 105;
ppm136[25] = 102;
ppm136[26] = 100;
ppm136[27] = 97;
ppm136[28] = 95;
ppm136[29] = 93;
ppm136[30] = 91;
ppm136[31] = 89;
ppm136[32] = 86;
ppm136[33] = 84;
ppm136[34] = 83;
ppm136[35] = 81;
ppm136[36] = 79;
ppm136[37] = 77;
ppm136[38] = 75;
ppm136[39] = 74;
ppm136[40] = 72;
ppm136[41] = 71;
ppm136[42] = 69;
ppm136[43] = 68;
ppm136[44] = 66;
ppm136[45] = 65;
ppm136[46] = 63;
ppm136[47] = 62;
ppm136[48] = 61;
ppm136[49] = 59;
ppm136[50] = 58;
ppm136[51] = 57;
ppm136[52] = 56;
ppm136[53] = 55;
ppm136[54] = 54;
ppm136[55] = 53;
ppm136[56] = 52;
ppm136[57] = 50;
ppm136[58] = 49;
ppm136[59] = 49;
ppm136[60] = 48;
ppm136[61] = 47;
ppm136[62] = 46;
ppm136[63] = 45;
ppm136[64] = 44;
ppm136[65] = 43;
ppm136[66] = 42;
ppm136[67] = 42;
ppm136[68] = 41;
ppm136[69] = 40;
ppm136[70] = 39;
ppm136[71] = 39;
ppm136[72] = 38;
ppm136[73] = 37;
ppm136[74] = 37;
ppm136[75] = 36;
ppm136[76] = 35;
ppm136[77] = 35;
ppm136[78] = 34;
ppm136[79] = 33;
ppm136[80] = 33;
ppm136[81] = 32;
ppm136[82] = 32;
ppm136[83] = 31;
ppm136[84] = 31;
ppm136[85] = 30;
ppm136[86] = 30;
ppm136[87] = 29;
ppm136[88] = 29;
ppm136[89] = 28;
ppm136[90] = 28;
ppm136[91] = 27;
ppm136[92] = 27;
ppm136[93] = 26;
ppm136[94] = 26;
ppm136[95] = 25;
ppm136[96] = 25;
ppm136[97] = 25;
ppm136[98] = 24;
ppm136[99] = 24;
ppm136[100] = 23;
ppm136[101] = 23;
ppm136[102] = 23;
ppm136[103] = 22;
ppm136[104] = 22;
ppm136[105] = 22;
ppm136[106] = 21;
ppm136[107] = 21;
ppm136[108] = 21;
ppm136[109] = 20;
ppm136[110] = 20;
ppm136[111] = 20;
ppm136[112] = 19;
ppm136[113] = 19;
ppm136[114] = 19;
ppm136[115] = 19;
ppm136[116] = 18;
ppm136[117] = 18;
ppm136[118] = 18;
ppm136[119] = 17;
ppm136[120] = 17;
ppm136[121] = 17;
ppm136[122] = 17;
ppm136[123] = 16;
ppm136[124] = 16;
ppm136[125] = 16;
ppm136[126] = 16;
ppm136[127] = 16;
ppm136[128] = 15;
ppm136[129] = 15;
ppm136[130] = 15;
ppm136[131] = 15;
ppm136[132] = 14;
ppm136[133] = 14;
ppm136[134] = 14;
ppm136[135] = 14;
ppm136[136] = 14;
ppm136[137] = 14;
ppm136[138] = 13;
ppm136[139] = 13;
ppm136[140] = 13;
ppm136[141] = 13;
ppm136[142] = 13;
ppm136[143] = 12;
ppm136[144] = 12;
ppm136[145] = 12;
ppm136[146] = 12;
ppm136[147] = 12;
ppm136[148] = 12;
ppm136[149] = 12;
ppm136[150] = 11;
ppm136[151] = 11;
ppm136[152] = 11;
ppm136[153] = 11;
ppm136[154] = 11;
ppm136[155] = 11;
ppm136[156] = 11;
ppm136[157] = 10;
ppm136[158] = 10;
ppm136[159] = 10;
ppm136[160] = 10;
TCNT1 = 57723;
TCCR1B = (1<<CS12) | (1<<CS10);
TIMSK1 = (1<<TOIE1);
usart_init(0);
usart_init(1);
usart_init(2);
usart_init(3);
init_GPS();
F = 0;
int f_num = 0;
char tick = 10;
char sd_valid = 0;
f_mount(&FatFs, "", 0); /* Give a work area to the default drive */
sei();
while (1)
{
if(sd_valid == 0)
{
sprintf(fil_nm, "data%d.txt",f_num);
if((fr = f_open(&Fil, fil_nm, FA_WRITE | FA_CREATE_NEW)) && f_num < 9999)
f_num++;
else
sd_valid = 1;
}
if(rec_dylos_flag == 1)
{
rec_dylos_flag = 0;
new_dylos_data = 1;
tick = 0;
if(rec_dylos[strlen(rec_dylos) - 1] == '\n')
{
dylos_line = 1;
strncpy(dylos, rec_dylos, strlen(rec_dylos));
strclr(rec_dylos);
}
}
if(rec_GPS_flag == 1)
{
rec_GPS_flag = 0;
new_GPS_data = 1;
if(rec_GPS[strlen(rec_GPS) - 1] == '\n')
{
GPS_line = 1;
strncpy(GPS, rec_GPS, strlen(rec_GPS));
strclr(rec_GPS);
}
}
if(dylos_line == 1)
{
parse_dylos(dylos, dylos_data);
dylos_line = 0;
}
if(GPS_line == 1)
{
parse_GPS(GPS, GPS_data);
GPS_line = 0;
}
if(ov_flag == 1)
{
ov_flag = 0;
tick++;
if(new_GPS_data == 1)
{
if(GPS_data[9] == 1)
{
sprintf(sd_buff, "Date: %.2d/%.2d/%.2d\nTime: %.2d:%.2d:%.2d\nLatitude: %d %d.%d\nLongitude: %d %d.%d\nAltitude %d.%d\n", GPS_data[12], GPS_data[13], GPS_data[14], GPS_data[0], GPS_data[1], GPS_data[2], GPS_data[3], GPS_data[4], GPS_data[5], GPS_data[6], GPS_data[7], GPS_data[8], GPS_data[10], GPS_data[11]);
sprintf(buffer,"%.2d:%.2d:%.2d,%d,%d.%d,%d,%d.%d,%d.%d,",GPS_data[0], GPS_data[1], GPS_data[2], GPS_data[3], GPS_data[4], GPS_data[5], GPS_data[6], GPS_data[7], GPS_data[8], GPS_data[10], GPS_data[11]);
}
else
{
sprintf(sd_buff, "Time: %.2d:%.2d:%.2d\nNO GPS DATA AVAILABLE\n", GPS_data[0], GPS_data[1], GPS_data[2]);
sprintf(buffer,"%.2d:%.2d:%.2d,0,0.0,0,0.0,0.0,", GPS_data[0], GPS_data[1], GPS_data[2]);
}
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
usart_send(3, buffer);
new_GPS_data = 0;
}
else
usart_send(3,"00:00:00,0,0.0,0,0.0,0.0,");
if(new_dylos_data == 1 || tick < 8)
{
sprintf(sd_buff, "Small: %d\nLarge: %d\n", dylos_data[0], dylos_data[1]);
sprintf(buffer, "%d,%d,", dylos_data[0], dylos_data[1]);
usart_send(3, buffer);
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
new_dylos_data = 0;
}
else
usart_send(3,"0,0,");
F = read_temp();
sprintf(sd_buff, "Temperature %dF\n", F);
sprintf(buffer, "%d,", F);
usart_send(3, buffer);
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
C3H8 = read_MQ2();
if(C3H8 < -1)
{
usart_send(3, "-1,");
sd_write("C3H8: ERROR - MQ2 reading out of range\n", &Fil, fil_nm, sd_valid);
}
else if(C3H8 == -1)
{
sprintf(sd_buff, "C3H8: %d ppm \n",0);
usart_send(3, "0,");
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
}
else
{
sprintf(sd_buff, "C3H8: %d ppm \n",ppm2[C3H8]);
sprintf(buffer, "%d,", ppm2[C3H8]);
usart_send(3, buffer);
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
}
CH4 = read_MQ5();
if(CH4 < -1)
{
usart_send(3, "-1,");
sd_write("CH4 : ERROR - MQ5 reading out of range\n", &Fil, fil_nm, sd_valid);
}
else if(CH4 == -1)
{
sprintf(sd_buff, "CH4 : %d ppm \n",0);
usart_send(3, "0,");
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
}
else
{
sprintf(sd_buff, "CH4 : %d ppm \n",ppm5[CH4]);
sprintf(buffer, "%d,", ppm5[CH4]);
usart_send(3, buffer);
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
}
CO = read_MQ7();
if(CO < -1)
{
usart_send(3, "-1,");
sd_write("CO : ERROR - MQ7 reading out of range\n", &Fil, fil_nm, sd_valid);
}
else if(CO == -1)
{
sprintf(sd_buff, "CO : %d ppm \n",0);
usart_send(3, "0,");
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
}
else
{
sprintf(sd_buff, "CO : %d ppm \n",ppm7[CO]);
sprintf(buffer, "%d,", ppm7[CO]);
usart_send(3, buffer);
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
}
H2S = read_MQ136();
if(H2S < -1)
{
usart_send(3, "-1\n");
sd_write("H2S : ERROR - MQ136 reading out of range\n\n", &Fil, fil_nm, sd_valid);
}
else if(H2S == -1)
{
sprintf(sd_buff, "H2S : %d ppm \n\n",0);
usart_send(3, "0\n");
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
}
else
{
sprintf(sd_buff, "H2S : %d ppm \n\n",ppm136[H2S]);
sprintf(buffer, "%d\n", ppm136[H2S]);
usart_send(3, buffer);
sd_write(sd_buff, &Fil, fil_nm, sd_valid);
}
}
}
return 0;
}
