Revision 3:b348fbaadf02, committed 2018-04-24

Comitter:

jrbott

Date:

Tue Apr 24 21:38:13 2018 +0000

Parent:

2:15a255321242

Commit message:

YSU EET3735 FINAL LAB - DHT11 STM32L476VGT DISCOVERY - TEMPERATURE SENSOR.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BSP_DISCO_L476VG.lib	Tue Apr 24 21:38:13 2018 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/ST/code/BSP_DISCO_L476VG/#23fea64454eb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD_DISCO_L476VG.lib	Tue Apr 24 21:38:13 2018 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/ST/code/LCD_DISCO_L476VG/#6ac2ed34f595

--- a/main.cpp	Sat Apr 14 15:56:03 2018 +0000
+++ b/main.cpp	Tue Apr 24 21:38:13 2018 +0000
@@ -1,6 +1,6 @@
 #include "mbed.h"
 #include "DHT.h"
-
+#include "LCD_DISCO_L476VG.h"
 
 //  STM32L476VGT DISCOVERY BOARD
 //  DHT11 SENSOR RUNNING FROM 3V3 SUPPLY
@@ -8,37 +8,111 @@
 //  DATA VIA THE PIN PA_0 
 //  COM PORT 4 AT 9600 BAUD
 
+LCD_DISCO_L476VG lcd;
 
-#define   DHT_DATA_PIN  PA_0                        // sets pin PA_0 as data input
+DigitalOut led_green(LED1);
+
+ #define   DHT_DATA_PIN  PA_0                        // sets pin PA_0 as data input
  
 DHT sensor(DHT_DATA_PIN, DHT11);              
       //DHT(PinName pin, eType DHTtype)
  
 int main()
 {
+    
+    uint32_t temp = 0;
+    uint8_t stemp[7] = {0};
+    uint8_t stemp2[7] = {0};
+    uint8_t title[] = "      TEMPERATURE";
+     
+    
+
     int error = 0;
    float h = 0.0f, c = 0.0f, f = 0.0f, k = 0.0f, dp = 0.0f, dpf = 0.0f;
    
+ //   lcd.Clear();
+ //   lcd.DisplayString((uint8_t *)"HELLO");
+ //   wait(3);
+ //   lcd.Clear();
+ //   lcd.DisplayString((uint8_t *)"EET");
+ //   wait(5);
+  
+    lcd.Clear();
+    lcd.ScrollSentence(title, 1, 200);
+    lcd.Clear();
+   
+   
+   
+   
     while(1) 
     {
         wait(2.0f);                                 //wait 2 second
-        error = sensor.readData();                  //read error value
+       error = sensor.readData();                  //read error value
         if (error == 0)                             //case: no error 
-        {
+          {
             c   = sensor.ReadTemperature(CELCIUS);
             f   = sensor.ReadTemperature(FARENHEIT);
             k   = sensor.ReadTemperature(KELVIN);
             h   = sensor.ReadHumidity();
             dp  = sensor.CalcdewPoint(c, h);
-            dpf = sensor.CalcdewPointFast(c, h);
+           dpf = sensor.CalcdewPointFast(c, h);
             printf("F: %4.2f, \r\n", f);            //prints temp in farenheit to Real Term
- //           printf("H: %4.2f, \r\n", h);          //prints humidity to Real Term
+            printf("H: %4.2f, \r\n", h);          //prints humidity to Real Term
             printf(" \r\n ");                       //acts as empty line to space readings in Real Term
             printf(" \r\n ");                       //acts as empty line to space readings in Real Term
-        } 
+            
+            lcd.Clear();
+            sprintf((char *)stemp,"T:%2.0fF",f);
+            lcd.DisplayString(stemp);
+            
+
+            if (f >= 90) {
+                temp=4;
+            } else if ((f <= 89)&&(f >= 80)) {
+                temp=3;
+            } else if ((f <= 79)&&(f >= 70)) {
+                temp=2;
+            } else if ((f <= 69)&&(f >= 60)) {
+                temp=1;
+            } else  {
+                temp=0;                
+            }
+            lcd.BarLevelConfig((uint8_t)temp);
+            
+            
+            wait(4);
+            lcd.Clear();
+            sprintf((char *)stemp2,"H:%2.0f%",h);
+            lcd.DisplayString(stemp2);
+            wait(2);
+            lcd.Clear();
+            
+            
+
+
+   
+   
+    //    wait(1);     
+            
+            
+            
+          } 
         else                                        //case: error
         {
             printf("Error: %d\r\n", error);         //prints error to Real Term when "if" criteria isn't satisfied
         }
+        
+        
+        
+   //     sprintf((char *)stemp, "BAR %d", temp);
+    //    lcd.DisplayString(stemp);
+    //    lcd.BarLevelConfig((uint8_t)temp);
+    //    temp++;
+   //     if (temp > 4) temp = 0;
+    //    wait(1);     
+          
+        
     }
-}
\ No newline at end of file
+
+
+}