Diff: main.cpp

Revision:

4:527490fdcfd8

Parent:

2:8ce5a2128381

Child:

5:18d7ce800a18

diff -r 8ce5a2128381 -r 527490fdcfd8 main.cpp
--- a/main.cpp	Fri Jan 13 12:28:09 2017 +0000
+++ b/main.cpp	Fri Jan 13 12:45:37 2017 +0000
@@ -1,19 +1,16 @@
-/** example program for the use of the AT30TSE7xx class 
+/** example program for the use of the MCP4728 class and DACInterface.h classes
  *
- *  V 0.4  : tested on the KL25z 
- * tested eeprom read/ write  full page / single byte  
- * temperature read 12 bit resolution
- * fix chip configuration.
- * (C) Wim Beaumont Universiteit Antwerpen 2017 
+ *  V 1.0  : tested on the KL05z  but without the MCP4728 connected \
+ * (C) Wim Beaumont Universiteit Antwerpen 2016 
  */ 
 
-#define AT30TSE753EXAMPLEVER "0.40"
+#define MCP4728EXAMPLEVER "2.04"
 
 #include "mbed.h"
 
 #if   defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
-  PinName const SDA = PTE0;
-  PinName const SCL = PTE1;
+  PinName const SDA = PTE25;
+  PinName const SCL = PTE24;
 #elif defined (TARGET_KL05Z)
   PinName const SDA = PTB4;
   PinName const SCL = PTB3;
@@ -27,74 +24,116 @@
 
 #include "I2C.h"
 #include "I2CInterface.h" 
-#include "MBEDI2CInterface.h"  
+#include "MBEDI2CInterface.h" 
+#include "DACInterface.h" 
 #include "dev_interface_def.h"
-#include "AT30TSE75x.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);
 
-void print_buf_hex( char *data, int length){
-    int nr;
-    char *ptr=data;
-    for ( int lc=0; lc < length ; lc++){
-        nr= (int) *(ptr++);
-        printf( "%02x ",nr);
-    }
-    printf("\n\r");
-}        
-
-
 int main(void) {
-   char str1[16] = "SOLID Temp";
-   char write_eprom= 'n';
+  
    // get the version of getVersion 
    getVersion gv;
-   int addr=0;
-   printf("AT30TSE752  example program version %s, compile date %s time %s\n\r",AT30TSE753EXAMPLEVER,__DATE__,__TIME__);
+   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("%s\n\r",str1);
-   printf("give new addr "); scanf("%d", &addr);
-   if ( addr < 0 || addr > 15) addr=0;
-   fflush(stdin);
-   
-   AT30TSE75x tid( i2cdev ,addr); 
-   printf ( "AT30SE75x version :%s\n\r ",tid.getversioninfo());
-   printf( "Taddr %x , Eaddr %x  subaddr %d\n\r ", tid.getTaddr(),tid.getEaddr(), addr);
-   
+   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;
-   int i2cerr;
-   i2cerr=tid.set_config();
-   if( i2cerr) printf("config not set  %d \n\r", i2cerr);
-   int configrd= tid.read_config( 0, &i2cerr);
-   printf( " config %x  I2cerr %d \n\r", configrd,i2cerr ); 
-   printf("write to eprom ?"); scanf("%c",&write_eprom);
-   int pagenr=0;write_eprom = 'y';
-   if(write_eprom == 'y'){   
-    printf("\n\rgive pagenr");
-    scanf("%d",&pagenr);
-    i2cerr= tid.write_eeprompage(str1, 16, 0, (uint8_t) pagenr);
-    if(i2cerr) printf("eeprom write error %d\n\r",i2cerr);
-   }
-   wait_ms(400); // give some time to write 
-   while(1) {
-    i2cerr=tid.read_eeprompage(str1, 16, 0, (uint8_t) pagenr);
-    if(i2cerr) printf("eeprom read error %d \n\r",i2cerr);
-    str1[15]='\0'; //make sure it ends 
-    printf("eeprom content page %d :\n\r %s\n\r",pagenr,str1);
-    //print_buf_hex( str1,16);
-    char singlechar;
-    i2cerr=tid.read_eeprombyte(singlechar, 3, (uint8_t) pagenr); 
-    if(i2cerr) printf("eeprom read error %d \n\r",i2cerr);
-    printf("third char is : %c\n\r",singlechar);
-    wait_ms(1000);    
-    float Tmp= tid.get_temperature(&i2cerr);      
-    printf ("%d:Temp = %f I2cerr %d \n\r",cnt++, Tmp, i2cerr);
-   
+   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);
 
   }