wimbeaumont Project / Mbed 2 deprecated MCP4728setaddrProg

program to set the MCP4728 address for the SOLID amplifier board

Dependencies:   DevInterfaces I2Cinterfaces MCP4728setaddr mbed

main.cpp@1:7e052cf2f2ee, 2016-12-14 (annotated)

Committer:
wbeaumont
Date:
Wed Dec 14 10:59:43 2016 +0000
Revision:
1:7e052cf2f2ee
Parent:
0:d97e8b3802b3 
corrected bug in old address

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wbeaumont 0:d97e8b3802b3 1 #include "mbed.h"
wbeaumont 0:d97e8b3802b3 2 #include "I2C.h"
wbeaumont 0:d97e8b3802b3 3 #define TARGET TARGET_KL05Z
wbeaumont 0:d97e8b3802b3 4 #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
wbeaumont 0:d97e8b3802b3 5 PinName const SDA = PTE25;
wbeaumont 0:d97e8b3802b3 6 PinName const SCL = PTE24;
wbeaumont 0:d97e8b3802b3 7 #elif defined (TARGET_KL05Z)
wbeaumont 0:d97e8b3802b3 8 PinName const SDA = PTB4;
wbeaumont 0:d97e8b3802b3 9 PinName const SCL = PTB3;
wbeaumont 0:d97e8b3802b3 10 #elif defined (TARGET_K20D50M)
wbeaumont 0:d97e8b3802b3 11 PinName const SDA = PTB1;
wbeaumont 0:d97e8b3802b3 12 PinName const SCL = PTB0;
wbeaumont 0:d97e8b3802b3 13 #else
wbeaumont 0:d97e8b3802b3 14 #error TARGET NOT DEFINED
wbeaumont 0:d97e8b3802b3 15 #endif
wbeaumont 0:d97e8b3802b3 16
wbeaumont 0:d97e8b3802b3 17
wbeaumont 0:d97e8b3802b3 18
wbeaumont 1:7e052cf2f2ee 19 #include "I2CInterface.h"
wbeaumont 1:7e052cf2f2ee 20 #include "MBEDI2CInterface.h"
wbeaumont 1:7e052cf2f2ee 21 #include "MCP4728setaddr.h"
wbeaumont 0:d97e8b3802b3 22
wbeaumont 0:d97e8b3802b3 23 MBEDI2CInterface mbedi2c( SDA, SCL);
wbeaumont 0:d97e8b3802b3 24
wbeaumont 0:d97e8b3802b3 25 MBEDI2CInterface* mbedi2cp= &mbedi2c ;
wbeaumont 0:d97e8b3802b3 26
wbeaumont 0:d97e8b3802b3 27 I2CInterface* i2cdev= mbedi2cp;
wbeaumont 0:d97e8b3802b3 28
wbeaumont 0:d97e8b3802b3 29
wbeaumont 0:d97e8b3802b3 30 DigitalOut LDAC(PTA6);
wbeaumont 0:d97e8b3802b3 31 DigitalOut CntPin(PTA7);
wbeaumont 0:d97e8b3802b3 32
wbeaumont 0:d97e8b3802b3 33
wbeaumont 0:d97e8b3802b3 34 I2CInterface* i2cif;
wbeaumont 0:d97e8b3802b3 35
wbeaumont 0:d97e8b3802b3 36
wbeaumont 0:d97e8b3802b3 37 int main(void){
wbeaumont 0:d97e8b3802b3 38 printf("\n\rMCP4728 set address program date : %s time :%s\n\r",__DATE__,__TIME__);
wbeaumont 0:d97e8b3802b3 39
wbeaumont 0:d97e8b3802b3 40 LDAC=1;
wbeaumont 1:7e052cf2f2ee 41 char oldaddr, eeaddr=33, regaddr=34, newaddr= 2;
wbeaumont 0:d97e8b3802b3 42 int newaddrint;
wbeaumont 1:7e052cf2f2ee 43 MPC4728_address_set mpc4728(PTB0,&LDAC,i2cdev, &CntPin, true);
wbeaumont 1:7e052cf2f2ee 44 int i2cresult =mpc4728.readaddress(oldaddr, eeaddr, regaddr);
wbeaumont 0:d97e8b3802b3 45 if ( i2cresult ) {
wbeaumont 0:d97e8b3802b3 46 printf("failed to read current address error code: %d , scl cnt = %d \n", i2cresult,mpc4728.getsclcnt() );
wbeaumont 0:d97e8b3802b3 47 }
wbeaumont 0:d97e8b3802b3 48 else {
wbeaumont 1:7e052cf2f2ee 49 printf( " current address = %d 0X%x ,eeaddr %d , regaddr %d sclcnt= %d give new address : ", (int) oldaddr,(int) oldaddr,(int) eeaddr, (int)regaddr, mpc4728.getsclcnt());
wbeaumont 0:d97e8b3802b3 50 scanf( "%d",&newaddrint);
wbeaumont 1:7e052cf2f2ee 51 printf("new addr %d \n\r", newaddrint );
wbeaumont 0:d97e8b3802b3 52 if ( newaddrint >= 0 && newaddrint <= 8 ) {
wbeaumont 0:d97e8b3802b3 53 newaddr= (char) newaddrint;
wbeaumont 1:7e052cf2f2ee 54 i2cresult=mpc4728.setaddress(eeaddr,newaddr);
wbeaumont 0:d97e8b3802b3 55 if ( i2cresult ) printf("failed to set address to %d error : %d , sclcnt= %d \n",newaddr, i2cresult,mpc4728.getsclcnt());
wbeaumont 0:d97e8b3802b3 56 else {
wbeaumont 0:d97e8b3802b3 57 printf("set new address \n");
wbeaumont 1:7e052cf2f2ee 58 i2cresult =mpc4728.readaddress(oldaddr, eeaddr, regaddr);
wbeaumont 0:d97e8b3802b3 59 if ( i2cresult ) printf("failed to read (new) address error : %d \n", i2cresult);
wbeaumont 0:d97e8b3802b3 60 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);
wbeaumont 0:d97e8b3802b3 61 }
wbeaumont 0:d97e8b3802b3 62 }
wbeaumont 0:d97e8b3802b3 63 else {
wbeaumont 0:d97e8b3802b3 64 printf( " new address %d is not valid reset the up to restart the program \n", (int)newaddr );
wbeaumont 0:d97e8b3802b3 65 }
wbeaumont 0:d97e8b3802b3 66 }
wbeaumont 0:d97e8b3802b3 67 printf("restart !!!! \n\r");
wbeaumont 0:d97e8b3802b3 68 while (1);
wbeaumont 0:d97e8b3802b3 69 //return 0; // never reach this
wbeaumont 0:d97e8b3802b3 70 };
wbeaumont 0:d97e8b3802b3 71