Gas-Sensors
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daq-bbb-code
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Sayeth 5 years ago
parent b34e1d33ec
commit 0178560c29
1 changed files with 41 additions and 50 deletions
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daq.c
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@ -10,10 +10,9 @@
#include"uart.c"
#define data_file_path "/var/lib/cloud9/daq-serial-bbb/data.dat"
#define GC0017 4 //co2
#define CM31911 1 //co, t
#define OX0052 2 //o2
#define SprintIR 4 //co2 sensor
#define COAF 1 //co sensor
#define LuminOX 2 //o2
#define Rep_Dev_ID "Y\r\n"
#define Pulling_Mode "K 2\r\n"
@ -28,52 +27,43 @@
#define M_zZTHBD "M 14406\r\n"
#define Readings_OX "A\r\n"
int sensConf(unsigned char uartNumber, int baudRate, unsigned char mode[], unsigned char response[], int tries);
int measure(unsigned char uartNumber, unsigned char command[], int multiplier, int excess);
char *gmeasures(char src[], char fval, int nchar);
int str2int(unsigned char *ptr);
int DAQ(int t_hrs, int tm_s);
char *gmeasures(char src[], char fval, int nchar
int str2int(unsigned char *ptr
int DAQ(int t_hrs, int tm_s
int main(int argc, char *argv[]){
//char bioxCsen[], OXsen[], monoxCsen[];
int T,t;
int T_acq, t_samp;
if(argc!=3){
printf("Invalid number of arguments,\n usage: daq <time(h)> <sampling period(s)>\nexiting!\n");
printf("Invalid number of arguments,\n"\
"Usage: daq <time(h)> <sampling period(s)>\nexiting!\n");
return -2;
}
//configuración de sensores
printf("Configuring CO2 sensor\n");
sensConf(GC0017, B9600, Pulling_Mode, " K 00002\r\n", 5);
sensConf(GC0017, B9600, FILnUNFIL, " M 00006\r\n", 5);
sensConf(SprintIR, B9600, Pulling_Mode, " K 00002\r\n", 5);
sensConf(SprintIR, B9600, FILnUNFIL, " M 00006\r\n", 5);
printf("Configuring CO sensor\n");
sensConf(CM31911, B9600, Pulling_Mode, "K 00002\r\n", 5);
sensConf(CM31911, B9600, M_zZTHBD, "M 14406\r\n", 5);
sensConf(COAF, B9600, Pulling_Mode, "K 00002\r\n", 5);
sensConf(COAF, B9600, M_zZTHBD, "M 14406\r\n", 5);
printf("Configuring O2 sensor\n");
sensConf(OX0052, B9600, OX_P_Mode, "M 01\r\n", 5);
sensConf(LuminOX, B9600, OX_P_Mode, "M 01\r\n", 5);
//adquisición
T = atoi(argv[1]);//str to int
t = atoi(argv[2]);
printf("Starting data acquisition with duration of %dh and every %ds\n", T, t);
T_acq = atoi(argv[1]);//str to int
t_samp = atoi(argv[2]);
printf("Starting data acquisition with duration of %dh every %ds\n", T_acq, t_samp);
DAQ(T, t);
sleep(1);
//finalización
//deinit uart
uartClose(GC0017);
uartClose(CM31911);
uartClose(OX0052);
uartClose(SprintIR);
uartClose(COAF);
uartClose(LuminOX);
//finalización
printf("Exiting of the program...\n");
return 0;
}
@ -163,38 +153,39 @@ int DAQ(int t_hrs, int tm_s)
,
ctime(&curtime)); // send the value to the file
fclose(dfp); // close the file using the file pointer
printf("%s", colums);
printf("%s", colums); //display variables colums
//ciclo
t0 = time(NULL) + tm_s; //intitial time = current time + tiempo de muestreo
new_time = t0; //saving initial time in time control variable
for(int i = 0; i < (t_hrs*3600); i=i+tm_s){ //cycle from 0 to adquisition time (seconds), incrementing sampling period
//checking if there's time to sleep
if (dif <= 0) printf("Ejecution time exceded.\n");
if (dif <= 0) printf("Ejecution time exceded.\n"\
"%s", colums);
else usleep((int)dif); //inactivity time
//waiting to start measurements
while(new_time != time(NULL));
start_t = clock(); //saving start time
//transmiting commands to sensors
uartTransmit(CM31911, get_readigns);
uartTransmit(OX0052, Readings_OX);
uartTransmit(GC0017, get_readigns
uartTransmit(COAF, get_readigns);
uartTransmit(LuminOX, Readings_OX);
uartTransmit(SprintIR, get_readigns
//receiving replys from sensors
uartReceive(OX0052);
uartReceive(CM31911);
uartReceive(GC0017);
uartReceive(LuminOX);
uartReceive(COAF);
uartReceive(SprintIR);
//interpreting and spliting measurements in variables
memcpy(co2_uf, gmeasures(receive[GC0017], 'z', 5), 5);
memcpy(co2_f, gmeasures(receive[GC0017], 'Z', 5), 5);
memcpy(co_uf, gmeasures(receive[CM31911], 'z', 5), 5);
memcpy(co_f, gmeasures(receive[CM31911], 'Z', 5), 5);
memcpy(o2_ppm, gmeasures(receive[OX0052], 'O', 6), 6);
memcpy(o2_xcent, gmeasures(receive[OX0052], '%', 6), 6);
memcpy(co2_temp, gmeasures(receive[CM31911], 'T', 5), 5);
memcpy(o2_temp, gmeasures(receive[OX0052], 'T', 5), 5);
memcpy(co2_press,gmeasures(receive[CM31911], 'B', 5), 5);
memcpy(o2_press, gmeasures(receive[OX0052], 'P', 4), 4);
memcpy(co2_relH, gmeasures(receive[CM31911], 'H', 5), 5);
memcpy(co2_uf, gmeasures(receive[SprintIR], 'z', 5), 5);
memcpy(co2_f, gmeasures(receive[SprintIR], 'Z', 5), 5);
memcpy(co_uf, gmeasures(receive[COAF], 'z', 5), 5);
memcpy(co_f, gmeasures(receive[COAF], 'Z', 5), 5);
memcpy(o2_ppm, gmeasures(receive[LuminOX], 'O', 6), 6);
memcpy(o2_xcent, gmeasures(receive[LuminOX], '%', 6), 6);
memcpy(co2_temp, gmeasures(receive[COAF], 'T', 5), 5);
memcpy(o2_temp, gmeasures(receive[LuminOX], 'T', 5), 5);
memcpy(co2_press,gmeasures(receive[COAF], 'B', 5), 5);
memcpy(o2_press, gmeasures(receive[LuminOX], 'P', 4), 4);
memcpy(co2_relH, gmeasures(receive[COAF], 'H', 5), 5);
//saving formated measurements in string DATA
sprintf(DATA,
"%d\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s",

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