Revision 6:d1e569f370ac, committed 2017-01-13

Comitter:

wbeaumont

Date:

Fri Jan 13 14:02:39 2017 +0000

Parent:

5:18d7ce800a18

Parent:

3:e12e21dcd16a

Child:

7:e8274d58f79b

Commit message:

back the MCP4728test

Changed in this revision

--- a/DevInterfaces.lib	Fri Jan 13 14:00:15 2017 +0000
+++ b/DevInterfaces.lib	Fri Jan 13 14:02:39 2017 +0000
@@ -1,1 +1,1 @@
-https://developer.mbed.org/users/wbeaumont/code/DevInterfaces/#58f1d5a3f850
+https://developer.mbed.org/users/wbeaumont/code/DevInterfaces/#8cbf46e5e3e5

--- a/main.cpp	Fri Jan 13 14:00:15 2017 +0000
+++ b/main.cpp	Fri Jan 13 14:02:39 2017 +0000
@@ -71,7 +71,9 @@
                 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);
                 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp.orig	Fri Jan 13 14:02:39 2017 +0000
@@ -0,0 +1,143 @@
+/** example program for the use of the MCP4728 class and DACInterface.h classes
+ *
+ *  V 1.0  : tested on the KL05z  but without the MCP4728 connected \
+ * (C) Wim Beaumont Universiteit Antwerpen 2016 
+ */ 
+
+#define MCP4728EXAMPLEVER "2.04"
+
+#include "mbed.h"
+
+#if   defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
+  PinName const SDA = PTE25;
+  PinName const SCL = PTE24;
+#elif defined (TARGET_KL05Z)
+  PinName const SDA = PTB4;
+  PinName const SCL = PTB3;
+#elif defined (TARGET_K20D50M)
+  PinName const SDA = PTB1;
+  PinName const SCL = PTB0;
+#else
+  #error TARGET NOT DEFINED
+#endif
+
+
+#include "I2C.h"
+#include "I2CInterface.h" 
+#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=4.5;
+
+DigitalOut LDAC(PTA6);
+DigitalOut CntPin(PTA7);
+
+
+Serial pc(USBTX, USBRX);
+
+int main(void) {
+  
+   // 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());
+   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){
+           // first set the 4 channels 
+           for ( int cc =0 ; cc <4 ; cc++) { 
+               if ( dac.setDACvalue(cnt,cc) )
+                   printf("failed to set dac value %d for channel %d\n\r",cnt,cc);
+            }
+            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 {
+                for ( int cc =0 ; cc <4 ; cc++) { 
+                 (void)dac.getVoltage(voltage,cc);//no need to test done with updat 
+                  printf(" CH%d %f[V]",cc,voltage);
+                }
+                printf("\n\r");
+            }
+             cnt++;
+             cnt=cnt % 4096;     
+             wait_ms(1200);
+
+  }
+
+  // now the same with the DAC interface 
+  DACInterface* di = &dac;
+  cnt=0;
+  while(1){
+           // first set the 4 channels 
+           for ( int cc =0 ; cc <4 ; cc++) { 
+               if ( di->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);
+               // no else read anyway even if set fails 
+            if(di->update()) printf("\n\rfailed to readback channel info \n\r");
+            else {
+                for ( int cc =0 ; cc <4 ; cc++) { 
+                 (void)di->getVoltage(voltage,cc);// no need to test done with update
+                  printf(" CH%d %f[V]",cc,voltage);
+                }
+                printf("\n\r");
+            }
+            
+             cnt++;
+             cnt=cnt % 4096;     
+             wait_ms(200);
+
+  }
+  
+    
+    // never reach this   
+    return 1;
+}