Diff: i2ceeprom.cpp

Revision:

1:1894419d5def

Parent:

0:194ff03a2e6a

diff -r 194ff03a2e6a -r 1894419d5def i2ceeprom.cpp
--- a/i2ceeprom.cpp	Tue Oct 23 08:12:53 2018 +0000
+++ b/i2ceeprom.cpp	Mon Sep 16 14:05:54 2019 +0000
@@ -1,19 +1,46 @@
 
-
-// Example
-
-#include <string>
 #include "mbed.h"
+#include <string>
 #include "eeprom.h"
+#include "i2ceeprom.h"
 
-#define EEPROM_ADDR 0x02   // I2C EEPROM address is 0x00
+#define EEPROM_ADDR 0x0   // I2c EEPROM address is 0x00
 
-#define SDA D14            // I2C SDA pin
+#define SDA D14           // I2C SDA pin
 #define SCL D15           // I2C SCL pin
 
 #define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
 #define MAX(X,Y) ((X) > (Y) ? (X) : (Y))
 
+#define MB_ID 0x00
+#define NO_OF_DEV 0x01
+#define DEV_1_ID 0x02
+#define DEV_1_ST 0x03
+#define DEV_1_VAL 0x04
+#define DEV_2_ID 0x05
+#define DEV_2_ST 0x06
+#define DEV_2_VAL 0x07
+#define DEV_3_ID 0x08
+#define DEV_3_VAL 0x09
+#define DEV_4_ID 0x0A
+#define DEV_4_ST 0x0B
+#define DEV_4_VAL 0x0C
+
+int mb_ID = 0x00;
+int NOno_of_dev = 0x00;
+int dev_1_id = 0x00;
+int dev_1_st = 0x00;
+int dev_1_val = 0x00;
+int dev_2_id = 0x00;
+int dev_2_st = 0x00;
+int dev_2_val = 0x00;
+int dev_3_id = 0x00;
+int dev_3_st = 0x00;
+int dev_3_val = 0x00;
+int dev_4_id = 0x00;
+int dev_5_st = 0x00;
+int dev_6_val = 0x00;
+
 extern float G_time;
 extern float Y_time;
 extern float R_time;
@@ -34,15 +61,15 @@
 
 void StoreCurrentMode(int32_t idata)
 {
-  EEPROM ep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C128);  // 24C64 eeprom with sda = p9 and scl = p10  
+  EEPROM ep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C32);  // 24C64 eeprom with sda = p9 and scl = p10  
   eeprom_size = ep.getSize();
-  max_size = MIN(eeprom_size,256);
-  ep.write((uint32_t)(eeprom_size - 200),(int32_t)idata); // long write at address eeprom_size - 12
+  max_size = MAX(eeprom_size,256);
+  ep.write(10,(int32_t)idata); // long write at address eeprom_size - 12
   if(ep.getError() != 0)
     myerror(ep.getErrorMessage());
-//    printf("\n");    
-    ep.read((eeprom_size - 12),(int32_t&)idata);
-   // printf("TransDC Read %d\r\n",idata);
+    printf("\n");    
+    ep.read(10,(int32_t&)idata);
+//   printf("TransDC Read %d\r\n",idata);
 }
 
 
@@ -50,25 +77,26 @@
 int32_t readCurrentMode()
 {
   int32_t idata;
-  EEPROM ep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C128);  // 24C64 eeprom with sda = p9 and scl = p10
+  EEPROM ep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C32);  // 24C64 eeprom with sda = p9 and scl = p10
     eeprom_size = ep.getSize();
-  max_size = MIN(eeprom_size,256);
- ep.read((eeprom_size - 200),(int32_t&)idata);
+  max_size = MAX(eeprom_size,256);
+  printf(" Max Size =:%d\r\n",max_size);
+ ep.read(10,(int32_t&)idata);
  
  if(ep.getError() != 0)
     myerror(ep.getErrorMessage());
-//    printf("\n");
-   // printf("Trans Down Count Read %d\r\n",idata);
+   //printf("\n");
+//   printf("Trans Down Count Read %d\r\n",idata);
    return idata;
 }
 
 bool WriteCorresspondingTimes(uint32_t currentMode, float gTime,float yTime,float rTime)
 {
-  EEPROM ep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C128);  // 24C64 eeprom with sda = p9 and scl = p10
+  EEPROM ep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C32);  // 24C64 eeprom with sda = p9 and scl = p10
   eeprom_size = ep.getSize();
-  max_size =  MIN(eeprom_size,256);
+  max_size =  MAX(eeprom_size-200,256);
   
-    uint32_t addr = eeprom_size - (currentMode*12);
+    uint32_t addr = 100*currentMode;
   ep.write(addr,(float)gTime); // float write at address eeprom_size - 8
   if(ep.getError() != 0)
     myerror(ep.getErrorMessage());
@@ -77,7 +105,7 @@
   printf("\nGreen Time : (%f) :\n",gTime);  
  
   
-  addr = eeprom_size - ((currentMode*12)-4);
+  addr = 100*currentMode +4;
   ep.write(addr,(float)yTime); // float write at address eeprom_size - 8
   if(ep.getError() != 0)
     myerror(ep.getErrorMessage());
@@ -85,7 +113,7 @@
   // Test read short, long, float
   printf("\nYellow Time : (%f) :\n",yTime);  
   
-     addr = eeprom_size - ((currentMode*12)-8);
+     addr = 100*currentMode +8;
   ep.write(addr,(float)rTime); // float write at address eeprom_size - 8
   if(ep.getError() != 0)
     myerror(ep.getErrorMessage());
@@ -100,32 +128,33 @@
 bool ReadCorresspondingTimes(uint32_t currentMode, float *gTime,float *yTime,float *rTime)
 {
   float fdata=0.0;
-  EEPROM ep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C128);  // 24C64 eeprom with sda = p9 and scl = p10
+  EEPROM ep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C32);  // 24C64 eeprom with sda = p9 and scl = p10
     eeprom_size = ep.getSize();
-  max_size = MIN(eeprom_size,256);
- ep.read((eeprom_size - (currentMode*12)),(float&)fdata);
-
+    printf("Size is : %d",eeprom_size);
+  max_size = MAX(eeprom_size-200,256);
+  printf(" Here 1\r\n");
+  uint32_t addr=currentMode*100;
+  ep.read(addr,fdata);  
+  *gTime=fdata;
+  
+  fdata=0;
+  addr = 100*currentMode +4;
+//   ep.read((uint32_t)(max_size - ((currentMode*12)-4)),fdata);  
+   ep.read(addr,fdata);  
+  *yTime=fdata;
+  fdata=0;
+  addr = 100*currentMode +8;
+//   ep.read((uint32_t)(max_size - ((currentMode*12)-8)),fdata); 
+ep.read(addr,fdata);   
+  *rTime=fdata;
+  printf("1 : %f\r\n",*gTime);
+  printf("2 : %f\r\n",*yTime);
+  printf("3 : %f\r\n",*rTime);
+   
  if(ep.getError() != 0)
     myerror(ep.getErrorMessage());
-//    printf("\n");
-   // printf("Trans Down Count Read %d\r\n",idata);
-  *gTime=fdata;
-  fdata=0.0;
-  ep.read((eeprom_size - (currentMode*12)-4),(float&)fdata);
+
  
- if(ep.getError() != 0)
-    myerror(ep.getErrorMessage());
-//    printf("\n");
-   // printf("Trans Down Count Read %d\r\n",idata);
-  *yTime=fdata;
-  fdata=0.0;
-    ep.read((eeprom_size - (currentMode*12)-8),(float&)fdata);
- 
- if(ep.getError() != 0)
-    myerror(ep.getErrorMessage());
-//    printf("\n");
-   // printf("Trans Down Count Read %d\r\n",idata);
-  *rTime=fdata; 
 }