Diff: main.cpp

Revision:

0:af6898dbc5ab

diff -r 000000000000 -r af6898dbc5ab main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Feb 07 14:08:37 2017 +0000
@@ -0,0 +1,261 @@
+#include "mbed.h"
+#include <string>
+#include "eeprom.h"
+
+
+#define EEPROM_ADDR 0x0   // I2c EEPROM address is 0x00
+
+#define SDA p9            // I2C SDA pin
+#define SCL p10           // 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;
+
+
+typedef struct _MyData {
+                         int16_t sdata;
+                         int32_t idata;
+                         float fdata;
+                       } MyData;
+                       
+                       
+//static void myerror(std::string msg)
+//{
+//  printf("Error %s\n",msg.c_str());
+//  exit(1);
+//}
+
+int ID_Map(int8_t id)
+{
+    int return_val =0;
+    
+    if (id == 0x01) //ethernet
+    return_val=DEV_1_ID;
+    
+    else if (id == 0x02)    //CAN
+    return_val=DEV_2_ID;
+    
+    else if (id ==0x03)     //tem
+    return_val=DEV_3_ID;
+    
+    else if (id == 0x04)    //aceslometer
+    return_val=DEV_3_ID;
+    
+    else 
+    return_val= -1;
+    
+    return return_val;
+    }
+    
+bool healthWrite( int8_t id, int8_t status, int8_t val)
+ {  
+     EEPROM eep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C128);  // 24C64 eeprom with sda = p9 and scl = p10
+     int8_t add = ID_Map(id);
+     bool return_val = false;
+     if (add == 0)
+     {
+        printf("\r\n EEPROM not working..!!!");
+        return_val = false;
+     }
+     else if (add == -1)
+     {
+        printf("\r\n Wrong Memory address..!!!");
+        return_val = false;
+     }
+     else
+     {
+        
+        eep.write(add,id);
+        if(eep.getError() != 0)
+            return_val = false;
+        else 
+            return_val = true;
+       
+        eep.write(add+1,status);
+        if(eep.getError() != 0)
+            return_val = false;
+        else 
+            return_val = true;
+    
+        eep.write(add+2,val);
+        if(eep.getError() != 0)
+            return_val = false;
+        else 
+            return_val = true;
+        }
+    
+    //printf("\r\n Memory \r\n");
+    //printf("\r\n %3d \r\n",i);
+    //printf("\r\n Value is \r\n");  
+    //printf("\r\n %3d \r\n",ival);
+     
+     return return_val;
+     }
+     
+int healthReadStatus( int8_t id)
+{
+     EEPROM eep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C128);  // 24C64 eeprom with sda = p9 and scl = p10
+     int8_t add = ID_Map(id);
+     int return_val = -1;
+     int8_t Status;
+     if (add == 0)
+     {
+        printf("\r\n EEPROM not working..!!!");
+        return_val = -1;
+     }
+     else if (add == -1)
+     {
+        printf("\r\n Wrong Memory address..!!!");
+        return_val = -1;
+     }
+     else
+     {
+        eep.read(add+1,Status);
+        if (eep.getError() != 0)
+            return_val = -1;
+        
+        else return_val=Status;
+    } 
+    return return_val;
+ 
+ }
+ int healthReadValue( int8_t id)
+{
+     EEPROM eep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C128);  // 24C64 eeprom with sda = p9 and scl = p10
+     int8_t add = ID_Map(id);
+     int8_t val;
+     int8_t return_val = -1;
+     if (add == 0)
+     {
+        printf("\r\n EEPROM not working..!!!");
+        return_val = -1;
+     }
+     else if (add == -1)
+     {
+        printf("\r\n Wrong Memory address request..!!!");
+        return_val = -1;
+     }
+     else
+     {
+        eep.read(add+2,val);
+        if(eep.getError() != 0)
+            return_val = -1;
+        
+        else 
+            return_val = val;
+            
+        }
+    return return_val;
+}
+ 
+int main() {
+    EEPROM eep(SDA,SCL,EEPROM_ADDR,EEPROM::T24C128);  // 24C64 eeprom with sda = p9 and scl = p10
+    //uint8_t data[256],data_r[256];
+    //int8_t ival;
+    //uint16_t s;
+    //int16_t sdata,sdata_r;
+    //int32_t ldata[1024];
+    int32_t max_size,eeprom_size;
+    //uint32_t addr;
+    //int32_t idata,idata_r;
+    //uint32_t i; //,j,k,l,t,id;
+    //float fdata,fdata_r;
+    //MyData md,md_r;
+    
+    eeprom_size = eep.getSize();
+    max_size = MIN(eeprom_size,256);
+  
+    printf("\r\n Test EEPROM I2C model %s of %d bytes\r\n",eep.getName(),eeprom_size);
+    
+    int8_t id =0x02;
+    
+    //healthWrite( int8_t id, int8_t status, int8_t val)
+    bool helthW = healthWrite( id ,0x01, 0x05);
+    
+    if (helthW == true)
+    {
+         printf("\r\n helth write successfull \r\n");
+        }
+    else 
+    {
+        printf("\r\n helth write NOT successfull\r\n");
+        }
+///////////////////////////////////////////////////////////////////////
+    int helthRS = healthReadStatus(id);
+
+    if (helthRS == -1)
+    {
+         printf("\r\n helth read NOT successfull...!!! \r\n");
+        }
+    else 
+    {
+        printf("\r\n  device %X Status %X \r\n",id,helthRS);
+        }
+/////////////////////////////////////////////////////////////////////
+    int helthRV = healthReadValue(id);
+    if (helthRV == -1)
+    {
+         printf("\r\n helth read NOT successfull...!!! \r\n");
+        }
+    else 
+    {
+        printf("\r\n device %X Value %X \r\n",id, helthRV);
+        }
+//////////////////////////////////////////////////////////////////        
+//    
+//    i=2;
+//    
+//    eep.read(i,ival);
+//    if(eep.getError() != 0)
+//       myerror(eep.getErrorMessage());
+//    
+//    printf("\r\n Memory \r\n");
+//    printf("\r\n %3d \r\n",i);
+//    printf("\r\n Value is \r\n");  
+//    printf("\r\n %3d \r\n",ival);
+//    
+//    ival = 3;
+//    
+//    eep.write(i,ival);
+//    if(eep.getError() != 0)
+//       myerror(eep.getErrorMessage());
+//    
+//    printf("\r\n Memory \r\n");
+//    printf("\r\n %3d \r\n",i);
+//    printf("\r\n Value is \r\n");  
+//    printf("\r\n %3d \r\n",ival);
+    
+  
+    while(1) {
+
+    }
+}