Revision 3:e12e21dcd16a, committed 2017-01-13

Comitter:

wbeaumont

Date:

Fri Jan 13 12:33:44 2017 +0000

Parent:

1:d175631a5803

Child:

6:d1e569f370ac

Commit message:

sync commit.

Changed in this revision

--- a/MCP4728.lib	Wed Jan 13 19:12:45 2016 +0000
+++ b/MCP4728.lib	Fri Jan 13 12:33:44 2017 +0000
@@ -1,1 +1,1 @@
-https://developer.mbed.org/users/wbeaumont/code/MCP4728/#f45f4ff5a51a
+https://developer.mbed.org/users/wbeaumont/code/MCP4728/#164362cf5836

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MCP4728setaddr.lib	Fri Jan 13 12:33:44 2017 +0000
@@ -0,0 +1,1 @@
+MCP4728setaddr#bb5afe877b43

--- a/main.cpp	Wed Jan 13 19:12:45 2016 +0000
+++ b/main.cpp	Fri Jan 13 12:33:44 2017 +0000
@@ -4,7 +4,7 @@
  * (C) Wim Beaumont Universiteit Antwerpen 2016 
  */ 
 
-#define MCP4728EXAMPLEVER "1.10                    "
+#define MCP4728EXAMPLEVER "2.04"
 
 #include "mbed.h"
 
@@ -27,12 +27,17 @@
 #include "MBEDI2CInterface.h" 
 #include "DACInterface.h" 
 #include "dev_interface_def.h"
+#include "MCP4728setaddr.h"
 #include "mcp4728.h"
 
 MBEDI2CInterface mbedi2c( SDA, SCL); 
 MBEDI2CInterface* mbedi2cp=  &mbedi2c ;
 I2CInterface* i2cdev= mbedi2cp;
-const float Vdd=5.0;
+const float Vdd=4.5;
+
+DigitalOut LDAC(PTA6);
+DigitalOut CntPin(PTA7);
+
 
 Serial pc(USBTX, USBRX);
 
@@ -40,12 +45,48 @@
   
    // get the version of getVersion 
    getVersion gv;
+   int addr;
    printf("MCP4728 example program version %s, compile date %s time %s\n\r",MCP4728EXAMPLEVER,__DATE__,__TIME__);
-   printf("getVersion :%s\n\r",gv.getversioninfo());
-   
-   MCP4728  dac( i2cdev ,0, Vdd);  // assuming the address  of the MCP4728 is set to 0 factory default 
-   printf("MCP4728 :%s\n\r",dac.getversioninfo());
-   wait(4);
+   printf("getVersion :%s\n\r ",gv.getversioninfo());
+   printf("\n\rMCP4728 set address program date : %s  time :%s\n\r",__DATE__,__TIME__); 
+   printf("give new addr ");
+   scanf("%d",&addr);
+    if ( addr < 8) {
+        LDAC=1;
+        char oldaddr, eeaddr, regaddr, newaddr= 2;
+        int newaddrint;
+        // Set addr part 
+        MPC4728_address_set mpc4728(PTB0,&LDAC,i2cdev, &CntPin);
+        int i2cresult =mpc4728.readaddress(&oldaddr, &eeaddr, &regaddr);
+        if ( i2cresult ) {
+            printf("failed to read current address error code: %d , scl cnt = %d  \n", i2cresult,mpc4728.getsclcnt() );
+        }
+        else { 
+            printf( " current address = %d ,eeaddr %d , regaddr %d  sclcnt= %d  give new address :  ", (int) oldaddr,(int) eeaddr, (int)regaddr, mpc4728.getsclcnt());  
+            scanf( "%d",&newaddrint);
+            printf("\n\r");
+            if ( newaddrint >= 0 && newaddrint <= 8 ) {
+                newaddr= (char) newaddrint;
+                i2cresult=mpc4728.setaddress(eeaddr,newaddr);
+                if ( i2cresult ) printf("failed to set address to %d error : %d , sclcnt= %d  \n",newaddr, i2cresult,mpc4728.getsclcnt());
+                else {
+                     printf("set new  address \n");
+                    i2cresult =mpc4728.readaddress(&oldaddr, &eeaddr, &regaddr);
+                    if ( i2cresult ) printf("failed to read (new)  address error : %d  \n", i2cresult);
+                    else     printf( "new address = %d ,eeaddr %d , regaddr %d  sclcnt= %d  \n\r", (int) oldaddr,(int) eeaddr, (int)regaddr, mpc4728.getsclcnt());  printf( " new address = %d \n", (int) oldaddr);
+                }
+            }    
+            else {
+                printf( " new address %d is not valid reset the up to restart the program \n", (int)newaddr );
+            }
+        }
+  } // if add < 16 
+  printf("give test addr ");
+  scanf("%d",&addr);
+ 
+   MCP4728  dac( i2cdev ,addr, Vdd);  // assuming the address  of the MCP4728 is set to 0 factory default 
+   printf("\n\raddr %d MCP4728 :%s\n\r",addr,dac.getversioninfo());
+   wait(1);
    float voltage=0;
    int cnt=0;
    while(cnt < 4096){
@@ -54,7 +95,7 @@
                if ( dac.setDACvalue(cnt,cc) )
                    printf("failed to set dac value %d for channel %d\n\r",cnt,cc);
             }
-            printf("set DAC value  to %d result in",cnt);
+            printf("set to %d result ",cnt);
                // no else read anyway even if set fails 
             if(dac.update()) printf("\n\rfailed to readback channel info \n\r");
             else {
@@ -66,9 +107,10 @@
             }
              cnt++;
              cnt=cnt % 4096;     
-             wait_ms(200);
+             wait_ms(1200);
 
   }
+
   // now the same with the DAC interface 
   DACInterface* di = &dac;
   cnt=0;

--- a/mbed.bld	Wed Jan 13 19:12:45 2016 +0000
+++ b/mbed.bld	Fri Jan 13 12:33:44 2017 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/4336505e4b1c
\ No newline at end of file
+http://mbed.org/users/mbed_official/code/mbed/builds/6c34061e7c34
\ No newline at end of file