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Version 1.1.05
Dependencies: ConfigFile DHT11 mbed
main.cpp
- Committer:
- Demonthorn
- Date:
- 2017-07-10
- Revision:
- 0:790a9e0285d6
File content as of revision 0:790a9e0285d6:
//////////////////////////////////////////////////////////////// // Plant Research Rig V1.1.05 // // Michael Steel // //////////////////////////////////////////////////////////////// // Libraries #include "mbed.h" #include "Dht11.h" #include "ConfigFile.h" // Define I/O and constants Serial pc(USBTX, USBRX); Dht11 sensor(p5); DigitalIn LOG_SWITCH(p20); DigitalOut TEMP_BLED(p7); DigitalOut TEMP_GLED(p8); DigitalOut TEMP_RLED(p9); DigitalOut FAN(p10); DigitalOut HEAT(p11); LocalFileSystem local("local"); ConfigFile cfg; float TEMP; float TEMPHH; float TEMPH; float TEMPL; float TEMPLL; int TCHECK; int YEAR; int main() { // Determins Input file variables char *key1 = "TEMPHH"; char *key2 = "TEMPH"; char *key3 = "TEMPL"; char *key4 = "TEMPLL"; char *key5 = "YEAR"; char value[BUFSIZ]; // Read the configuration file from the mbed cfg.read("/local/input.cfg"); if (cfg.getValue(key5, &value[0], sizeof(value))) { YEAR = atoi(value) ; } pc.printf("\r\n Plant Research Rig V1.0 \r\n Resart occured loading variables \r\n"); // Check correct time and get the current time from the terminal if needed struct tm t; time_t seconds = time(NULL); char buffer[21]; strftime(buffer, 21, "%Y\n", localtime(&seconds)); TCHECK = atoi(buffer) ; if (TCHECK != YEAR ) { printf("Enter current date and time:\n"); printf("YYYY MM DD HH MM SS[enter]\n"); scanf("%d %d %d %d %d %d", &t.tm_year, &t.tm_mon, &t.tm_mday , &t.tm_hour, &t.tm_min, &t.tm_sec); // adjust for tm structure required values t.tm_year = t.tm_year - 1900; t.tm_mon = t.tm_mon - 1; // set the time set_time(mktime(&t)); // display the time time_t seconds = time(NULL); } //printf("\r\n Time as a basic string = %s \r\n", ctime(&seconds)); wait(1); if (cfg.getValue(key1, &value[0], sizeof(value))) { pc.printf("'%s'='%s'\r\n", key1, value); TEMPHH = atof(value) ; } else { pc.printf("Failure to get a configuration. Please check config file"); } if (cfg.getValue(key2, &value[0], sizeof(value))) { pc.printf("'%s'='%s'\r\n", key2, value); TEMPH = atof(value) ; } if (cfg.getValue(key3, &value[0], sizeof(value))) { pc.printf("'%s'='%s'\r\n", key3, value); TEMPL = atof(value) ; } if (cfg.getValue(key4, &value[0], sizeof(value))) { pc.printf("'%s'='%s'\r\n", key4, value); TEMPLL = atof(value) ; } pc.printf("Begin logging \r\n"); while(1) { while(LOG_SWITCH == 1) { sensor.read() ; time_t seconds = time(NULL); strftime(buffer, 21,"%X, %x\n", localtime(&seconds)); FILE *fp = fopen("/local/out.txt", "a"); // Open "out.txt" on the local file system for writing fprintf(fp, "\r\n T: %f, H: %f, %s,",sensor.getCelsius(),sensor.getHumidity(),buffer); fclose(fp); pc.printf("\r\n T: %f, H: %f, %s,",sensor.getCelsius(),sensor.getHumidity(),buffer); TEMP = sensor.getCelsius(); if (TEMP >= TEMPHH) { FAN = 1; HEAT = 0; TEMP_RLED = 1; TEMP_GLED = 0; TEMP_BLED = 0; pc.printf(" Temperature in High Alarm"); } else if (TEMP >= TEMPH) { FAN = 1; HEAT = 0; TEMP_RLED = 0; TEMP_GLED = 1; TEMP_BLED = 0; } else if (TEMP >= TEMPL) { FAN = 0; HEAT = 0; TEMP_RLED = 0; TEMP_GLED = 1; TEMP_BLED = 0; } else if (TEMP >= TEMPLL) { FAN = 0; HEAT = 1; TEMP_RLED = 0; TEMP_GLED = 1; TEMP_BLED = 0; } else { FAN = 0; HEAT = 1; TEMP_RLED = 0; TEMP_GLED = 0; TEMP_BLED = 1; pc.printf(" Temperature in Low Alarm"); } wait(1); } } }