Ciaran O'Malley
Temp/Humidity alarm
Diff: main.cpp
- Revision:
- 0:2e716206ddde
- Child:
- 1:42f6beb90ce3
diff -r 000000000000 -r 2e716206ddde main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Jul 31 11:22:21 2020 +0000
@@ -0,0 +1,229 @@
+#include "mbed.h"
+#include "C12832.h"
+
+Serial pc(USBTX, USBRX);//pc is an object of class Serial
+DigitalOut led1(LED1), led2(LED2), led3(LED3), led4(LED4);//LED object
+C12832 lcd(p5, p7, p6, p8, p11);// LCD object
+AnalogIn pot1(p19), pot2(p20);// Pot object
+
+// Relitive humidity from 0% to 100%
+// Temperature from -20°C to 140°C - See word doc for calculations
+
+//LED4 = humidty high
+//LED3 = temperature high
+//LED2 = humidty low
+//LED1 = temperature low
+
+
+
+//bool check = true;
+
+float RH;
+
+float m=160, c=-20;
+float temp;
+float tempK;
+
+float mintemp =5.0, minRH =20.0, maxtemp = 35.0, maxRH =80.0;
+int i;
+
+int main() {
+ while(1) {
+
+ //while(check)
+ // {
+ //check =false;
+ //}
+
+
+ temp = pot2*m + c;
+ tempK= temp +273.15;
+ RH = pot1*100;
+
+
+ pc.printf(" Relative humidity: %.2f %%\r\n\n" , RH); //check %%
+
+ pc.printf(" Temperarure: %.2f C\r\n Temperature: %.2f K\r\n\n\n", temp, tempK); //Show temperature in degree Celcius and in Kelvin
+ //pc.cls();
+
+ wait(3);
+ lcd.cls();
+ lcd.locate(0,20);
+ lcd.printf("Relative humidity: %.2f %%", RH); //check %%
+
+ lcd.locate(0,0);
+ lcd.printf("Temperarure: %.2f C \nTemperature: %.2f K", temp, tempK);
+ //lcd.locate(10,0);
+ //lcd.printf("Temperarure: %.2f °C, Temperature: %.2f K", temp, tempK);
+
+
+
+ // if (temp < mintemp){
+ // for( i=0;i<3;i++){
+ // led1 = 1;
+ // wait(0.5);
+ // led1=0;
+ // wait(0.5);
+ // }
+ //
+ // }
+ // if (RH < minRH){
+ // for( i=0;i<3;i++){
+ // led2 = 1;
+ // wait(0.5);
+ // led2=0;
+// wait(0.5);
+// }
+//
+// }
+// if (temp > maxtemp){
+// for( i=0;i<3;i++){
+// led3 = 1;
+// wait(0.5);
+// led3=0;
+// wait(0.5);
+// }
+//
+// }
+//
+// if (RH > maxRH){
+// for( i=0;i<3;i++){
+// led4 = 1;
+// wait(0.5);
+// led4=0;
+// wait(0.5);
+// }
+//
+// }
+
+
+
+// temp < mintemp and RH < minRH 1&2
+// temp < mintemp and RH > minRH and RH < maxRH 1
+// temp < mintemp and RH > maxRH 1&4
+// temp > mintemp and temp < maxtemp and RH < minRH 2
+// temp > mintemp and temp < maxtemp and RH > minRH and RH < maxRH noLED
+// temp > mintemp and temp < maxtemp and RH > maxRH 4
+// temp > maxtemp and RH < minRH 3&2
+// temp > maxtemp and RH > minRH and RH < maxRH 3
+// temp > maxtemp and RH > maxRH 3&4
+
+ if (temp < mintemp and RH < minRH){
+ pc.printf("Temperature too low. Please increase. \r\n Humidty too low. Please increase \r\n\n"); // adding\r for TeraTeam, to print starts at 0 on the x axis.
+ while(temp < mintemp and RH < minRH){
+ //for( i=0;i<3;i++){
+ led1 = 1,led2 = 1;
+ wait(0.5);
+ led1 = 0,led2 = 0;
+ wait(0.5);
+ temp = pot2*m + c; //adding another check within the loop to see if temp and RH have moved back within limits
+ RH = pot1*100;
+ }
+ }
+ else if(temp < mintemp and RH > minRH and RH < maxRH){
+ pc.printf("Temperature too low. Please increase \r\n\n");
+ while (temp < mintemp and RH > minRH and RH < maxRH){
+ //for( i=0;i<3;i++){
+ //pc.printf("Temperature too low. Please increase \n");
+ led1 = 1;
+ wait(0.5);
+ led1 = 0;
+ wait(0.5);
+ temp = pot2*m + c;
+ RH = pot1*100;
+ }
+ }
+ else if (temp < mintemp and RH > maxRH){
+ pc.printf("Temperature too low. Please increase. \r\n Humidty too high. Please reduce \r\n\n");
+ while (temp < mintemp and RH > maxRH){
+ //for( i=0;i<3;i++){
+ //pc.printf("Temperature too low. Please increase. \n Humidty too high. Please reduce \n");
+ led1 = 1,led3 = 1;
+ wait(0.5);
+ led1 = 0,led3 = 0;
+ wait(0.5);
+ temp = pot2*m + c;
+ RH = pot1*100;
+ }
+ }
+ else if (temp > mintemp and temp < maxtemp and RH < minRH){
+ pc.printf("Humidty too low. Please increase \r\n\n");
+ while (temp > mintemp and temp < maxtemp and RH < minRH){
+ //for( i=0;i<3;i++){
+ //pc.printf("Humidty too low. Please increase \n");
+ led2 = 1;
+ wait(0.5);
+ led2 = 0;
+ wait(0.5);
+ temp = pot2*m + c;
+ RH = pot1*100;
+ }
+ }
+
+ else if (temp > mintemp and temp < maxtemp and RH > maxRH ){
+ pc.printf("Humidty too high. Please reduce \r\n\n");
+ while (temp > mintemp and temp < maxtemp and RH > maxRH ){
+ //for( i=0;i<3;i++){
+ //pc.printf("Humidty too high. Please reduce \n");
+ led3 = 1;
+ wait(0.5);
+ led3 = 0;
+ wait(0.5);
+ temp = pot2*m + c;
+ RH = pot1*100;
+ }
+ }
+
+ else if (temp > maxtemp and RH < minRH){
+ pc.printf("Temperature too high. Please reduce. \r\n Humidty too low. Please increase \r\n\n");
+ while (temp > maxtemp and RH < minRH){
+ //for( i=0;i<3;i++){
+ //pc.printf("Temperature too high. Please reduce. \n Humidty too low. Please increase \n");
+ led4 = 1,led2 = 1;
+ wait(0.5);
+ led4 = 0,led2 = 0;
+ wait(0.5);
+ temp = pot2*m + c;
+ RH = pot1*100;
+ }
+ }
+
+ else if (temp > maxtemp and RH > minRH and RH < maxRH){
+ pc.printf("Temperature too high. Please reduce \r\n\n");
+ while (temp > maxtemp and RH > minRH and RH < maxRH){
+ //for( i=0;i<3;i++){
+ //pc.printf("Temperature too high. Please reduce \n");
+ led4 = 1;
+ wait(0.5);
+ led4 = 0;
+ wait(0.5);
+ temp = pot2*m + c;
+ RH = pot1*100;
+ }
+ }
+
+ else if (temp > maxtemp and RH > maxRH){
+ pc.printf("Temperature too high. Please reduce. \r\n Humidty too high. Please reduce \r\n\n");
+ while (temp > maxtemp and RH > maxRH){
+ //for( i=0;i<3;i++){
+ //pc.printf("Temperature too high. Please reduce. \n Humidty too high. Please reduce \n");
+ led4 = 1,led3 = 1;
+ wait(0.5);
+ led4 = 0, led3 = 0;
+ wait(0.5);
+ temp = pot2*m + c;
+ RH = pot1*100;
+ }
+ }
+
+ }
+
+// instead of running through cycle 3 times with a for loop, while loop will continue to run while RH and temp are outside of parameters.
+
+
+
+
+
+
+ }
+