Revision 1:c72a74304949, committed 2017-01-20

Comitter:

josespaul

Date:

Fri Jan 20 11:49:14 2017 +0000

Parent:

0:bca8659e032c

Commit message:

optimised code. lcd support added

Changed in this revision

diff -r bca8659e032c -r c72a74304949 ST7567.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ST7567.lib	Fri Jan 20 11:49:14 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/MACRUM/code/ST7567/#743aff4786ba

diff -r bca8659e032c -r c72a74304949 main.cpp
--- a/main.cpp	Mon Jan 16 17:13:23 2017 +0000
+++ b/main.cpp	Fri Jan 20 11:49:14 2017 +0000
@@ -1,40 +1,47 @@
 #include "mbed.h"
 #include "HX711.h"
-
-#define STEPS 64.0
+#include "ST7567.h"
+#define STEPS 100.0
 #define MAX_WEIGHT 2.0
 
-Serial pc(USBTX,USBRX,115200);         // Déclaration du port série USB
-HX711 Balance(P3_25,P3_26);     // Déclaration de l'objet HX711
+ST7567 lcd(P1_24, P1_20, P1_25, P1_22, P1_21); // mosi, sclk, reset, A0, nCS
+Serial pc(USBTX,USBRX,115200);         
+HX711 Balance(P3_25,P3_26);     
 PwmOut ser_mtr(P2_3);
 
 int main()
 {
-     
-     long valeur;
-     long valeurTare;
+     float current_value;
+     float initial_value;
      float weight;
-     float i;
-     float j;
-     valeurTare = Balance.getValue();
-     pc.printf("Calibtrating Sesnsors ..");
-     ser_mtr.write(0.05);
+     float i,j;
+     lcd.set_contrast(0x3F);
+     lcd.cls();
+     lcd.locate(0, 1);
+     lcd.printf("\n\n\n          Hello !");
+     wait(2);
+     lcd.cls();
+     lcd.locate(0, 1);
+     lcd.printf("\n\n\n    Calibtrating Sensors ..");
+     ser_mtr.write(0.05f);
      wait(1);
-     ser_mtr.write(0.15f);
+     initial_value = Balance.getValue();
+     ser_mtr.write(0.105f);
      wait(1);
+     lcd.cls();
+     
      while (true)
      {
-        valeur = Balance.getValue();                                          
-        weight = ((float)valeur-(float)valeurTare)/315701;         
-        pc.printf("Valeur : %ld   Kilograms :%.3lf\n",valeur,weight);
-        
-        for(i=0, j=0.10; i<=MAX_WEIGHT, j>=0.05; i=i+(MAX_WEIGHT/STEPS), j=j-(0.05/STEPS)) {
-             if(weight <= 0.10)
-             ser_mtr.write(0.15);
-             else if(weight >= i)
+        current_value = Balance.getValue();                                          
+        weight = ((float)current_value-(float)initial_value)/315701; //Calibration - 315701 is the corresponding value for 1KG
+        lcd.locate(4, 4);
+        if (weight < 0.005)
+        weight = 0.00;         
+        lcd.printf("\n\n\n     Weight %.3lf KG",weight);
+        //pc.printf("current_value : %ld   Kilograms :%.3lf\n",current_value,weight);
+        for(i=0, j=0.105; i<=MAX_WEIGHT; i=i+(MAX_WEIGHT/STEPS), j=j-(0.055/STEPS)) {
+                if(weight >= i)
              ser_mtr.write(j);
             }  
-        wait(0.700);
-     }
-     
+     } 
 }
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