Keith Stokely / Mbed 2 deprecated mbedSerialInterface_sequencer

Test for mike

Dependencies:   mbed DevInterfaces MCP4728 MCP4728setaddr I2Cinterfaces

main.cpp@5:18d7ce800a18, 2017-01-13 (annotated)

Committer:
wbeaumont
Date:
Fri Jan 13 14:00:15 2017 +0000
Revision:
5:18d7ce800a18
Parent:
4:527490fdcfd8
Child:
6:d1e569f370ac
revert to MPC4728test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wbeaumont 4:527490fdcfd8 1 /** example program for the use of the MCP4728 class and DACInterface.h classes
wbeaumont 1:d175631a5803 2 *
wbeaumont 4:527490fdcfd8 3 * V 1.0 : tested on the KL05z but without the MCP4728 connected \
wbeaumont 4:527490fdcfd8 4 * (C) Wim Beaumont Universiteit Antwerpen 2016
wbeaumont 1:d175631a5803 5 */
wbeaumont 1:d175631a5803 6
wbeaumont 4:527490fdcfd8 7 #define MCP4728EXAMPLEVER "2.04"
wbeaumont 1:d175631a5803 8
wbeaumont 0:5bc0f4bd5aa0 9 #include "mbed.h"
wbeaumont 0:5bc0f4bd5aa0 10
wbeaumont 0:5bc0f4bd5aa0 11 #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
wbeaumont 4:527490fdcfd8 12 PinName const SDA = PTE25;
wbeaumont 4:527490fdcfd8 13 PinName const SCL = PTE24;
wbeaumont 0:5bc0f4bd5aa0 14 #elif defined (TARGET_KL05Z)
wbeaumont 0:5bc0f4bd5aa0 15 PinName const SDA = PTB4;
wbeaumont 0:5bc0f4bd5aa0 16 PinName const SCL = PTB3;
wbeaumont 0:5bc0f4bd5aa0 17 #elif defined (TARGET_K20D50M)
wbeaumont 0:5bc0f4bd5aa0 18 PinName const SDA = PTB1;
wbeaumont 0:5bc0f4bd5aa0 19 PinName const SCL = PTB0;
wbeaumont 0:5bc0f4bd5aa0 20 #else
wbeaumont 0:5bc0f4bd5aa0 21 #error TARGET NOT DEFINED
wbeaumont 0:5bc0f4bd5aa0 22 #endif
wbeaumont 0:5bc0f4bd5aa0 23
wbeaumont 0:5bc0f4bd5aa0 24
wbeaumont 0:5bc0f4bd5aa0 25 #include "I2C.h"
wbeaumont 0:5bc0f4bd5aa0 26 #include "I2CInterface.h"
wbeaumont 4:527490fdcfd8 27 #include "MBEDI2CInterface.h"
wbeaumont 4:527490fdcfd8 28 #include "DACInterface.h"
wbeaumont 0:5bc0f4bd5aa0 29 #include "dev_interface_def.h"
wbeaumont 4:527490fdcfd8 30 #include "MCP4728setaddr.h"
wbeaumont 4:527490fdcfd8 31 #include "mcp4728.h"
wbeaumont 0:5bc0f4bd5aa0 32
wbeaumont 0:5bc0f4bd5aa0 33 MBEDI2CInterface mbedi2c( SDA, SCL);
wbeaumont 0:5bc0f4bd5aa0 34 MBEDI2CInterface* mbedi2cp= &mbedi2c ;
wbeaumont 0:5bc0f4bd5aa0 35 I2CInterface* i2cdev= mbedi2cp;
wbeaumont 4:527490fdcfd8 36 const float Vdd=4.5;
wbeaumont 4:527490fdcfd8 37
wbeaumont 4:527490fdcfd8 38 DigitalOut LDAC(PTA6);
wbeaumont 4:527490fdcfd8 39 DigitalOut CntPin(PTA7);
wbeaumont 4:527490fdcfd8 40
wbeaumont 0:5bc0f4bd5aa0 41
wbeaumont 0:5bc0f4bd5aa0 42 Serial pc(USBTX, USBRX);
wbeaumont 0:5bc0f4bd5aa0 43
wbeaumont 0:5bc0f4bd5aa0 44 int main(void) {
wbeaumont 4:527490fdcfd8 45
wbeaumont 0:5bc0f4bd5aa0 46 // get the version of getVersion
wbeaumont 0:5bc0f4bd5aa0 47 getVersion gv;
wbeaumont 4:527490fdcfd8 48 int addr;
wbeaumont 4:527490fdcfd8 49 printf("MCP4728 example program version %s, compile date %s time %s\n\r",MCP4728EXAMPLEVER,__DATE__,__TIME__);
wbeaumont 2:8ce5a2128381 50 printf("getVersion :%s\n\r ",gv.getversioninfo());
wbeaumont 4:527490fdcfd8 51 printf("\n\rMCP4728 set address program date : %s time :%s\n\r",__DATE__,__TIME__);
wbeaumont 4:527490fdcfd8 52 printf("give new addr ");
wbeaumont 4:527490fdcfd8 53 scanf("%d",&addr);
wbeaumont 4:527490fdcfd8 54 if ( addr < 8) {
wbeaumont 4:527490fdcfd8 55 LDAC=1;
wbeaumont 4:527490fdcfd8 56 char oldaddr, eeaddr, regaddr, newaddr= 2;
wbeaumont 4:527490fdcfd8 57 int newaddrint;
wbeaumont 4:527490fdcfd8 58 // Set addr part
wbeaumont 4:527490fdcfd8 59 MPC4728_address_set mpc4728(PTB0,&LDAC,i2cdev, &CntPin);
wbeaumont 5:18d7ce800a18 60 int i2cresult =mpc4728.readaddress(oldaddr, eeaddr, regaddr);
wbeaumont 4:527490fdcfd8 61 if ( i2cresult ) {
wbeaumont 4:527490fdcfd8 62 printf("failed to read current address error code: %d , scl cnt = %d \n", i2cresult,mpc4728.getsclcnt() );
wbeaumont 4:527490fdcfd8 63 }
wbeaumont 4:527490fdcfd8 64 else {
wbeaumont 4:527490fdcfd8 65 printf( " current address = %d ,eeaddr %d , regaddr %d sclcnt= %d give new address : ", (int) oldaddr,(int) eeaddr, (int)regaddr, mpc4728.getsclcnt());
wbeaumont 4:527490fdcfd8 66 scanf( "%d",&newaddrint);
wbeaumont 4:527490fdcfd8 67 printf("\n\r");
wbeaumont 4:527490fdcfd8 68 if ( newaddrint >= 0 && newaddrint <= 8 ) {
wbeaumont 4:527490fdcfd8 69 newaddr= (char) newaddrint;
wbeaumont 4:527490fdcfd8 70 i2cresult=mpc4728.setaddress(eeaddr,newaddr);
wbeaumont 4:527490fdcfd8 71 if ( i2cresult ) printf("failed to set address to %d error : %d , sclcnt= %d \n",newaddr, i2cresult,mpc4728.getsclcnt());
wbeaumont 4:527490fdcfd8 72 else {
wbeaumont 4:527490fdcfd8 73 printf("set new address \n");
wbeaumont 5:18d7ce800a18 74 i2cresult =mpc4728.readaddress(oldaddr, eeaddr, regaddr);
wbeaumont 4:527490fdcfd8 75 if ( i2cresult ) printf("failed to read (new) address error : %d \n", i2cresult);
wbeaumont 4:527490fdcfd8 76 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 4:527490fdcfd8 77 }
wbeaumont 4:527490fdcfd8 78 }
wbeaumont 4:527490fdcfd8 79 else {
wbeaumont 4:527490fdcfd8 80 printf( " new address %d is not valid reset the up to restart the program \n", (int)newaddr );
wbeaumont 4:527490fdcfd8 81 }
wbeaumont 4:527490fdcfd8 82 }
wbeaumont 4:527490fdcfd8 83 } // if add < 16
wbeaumont 4:527490fdcfd8 84 printf("give test addr ");
wbeaumont 4:527490fdcfd8 85 scanf("%d",&addr);
wbeaumont 4:527490fdcfd8 86
wbeaumont 4:527490fdcfd8 87 MCP4728 dac( i2cdev ,addr, Vdd); // assuming the address of the MCP4728 is set to 0 factory default
wbeaumont 4:527490fdcfd8 88 printf("\n\raddr %d MCP4728 :%s\n\r",addr,dac.getversioninfo());
wbeaumont 4:527490fdcfd8 89 wait(1);
wbeaumont 4:527490fdcfd8 90 float voltage=0;
wbeaumont 0:5bc0f4bd5aa0 91 int cnt=0;
wbeaumont 4:527490fdcfd8 92 while(cnt < 4096){
wbeaumont 4:527490fdcfd8 93 // first set the 4 channels
wbeaumont 4:527490fdcfd8 94 for ( int cc =0 ; cc <4 ; cc++) {
wbeaumont 4:527490fdcfd8 95 if ( dac.setDACvalue(cnt,cc) )
wbeaumont 4:527490fdcfd8 96 printf("failed to set dac value %d for channel %d\n\r",cnt,cc);
wbeaumont 4:527490fdcfd8 97 }
wbeaumont 4:527490fdcfd8 98 printf("set to %d result ",cnt);
wbeaumont 4:527490fdcfd8 99 // no else read anyway even if set fails
wbeaumont 4:527490fdcfd8 100 if(dac.update()) printf("\n\rfailed to readback channel info \n\r");
wbeaumont 4:527490fdcfd8 101 else {
wbeaumont 4:527490fdcfd8 102 for ( int cc =0 ; cc <4 ; cc++) {
wbeaumont 4:527490fdcfd8 103 (void)dac.getVoltage(voltage,cc);//no need to test done with updat
wbeaumont 4:527490fdcfd8 104 printf(" CH%d %f[V]",cc,voltage);
wbeaumont 4:527490fdcfd8 105 }
wbeaumont 4:527490fdcfd8 106 printf("\n\r");
wbeaumont 4:527490fdcfd8 107 }
wbeaumont 4:527490fdcfd8 108 cnt++;
wbeaumont 4:527490fdcfd8 109 cnt=cnt % 4096;
wbeaumont 4:527490fdcfd8 110 wait_ms(1200);
wbeaumont 4:527490fdcfd8 111
wbeaumont 4:527490fdcfd8 112 }
wbeaumont 4:527490fdcfd8 113
wbeaumont 4:527490fdcfd8 114 // now the same with the DAC interface
wbeaumont 4:527490fdcfd8 115 DACInterface* di = &dac;
wbeaumont 4:527490fdcfd8 116 cnt=0;
wbeaumont 4:527490fdcfd8 117 while(1){
wbeaumont 4:527490fdcfd8 118 // first set the 4 channels
wbeaumont 4:527490fdcfd8 119 for ( int cc =0 ; cc <4 ; cc++) {
wbeaumont 4:527490fdcfd8 120 if ( di->setDACvalue(cnt,cc) )
wbeaumont 4:527490fdcfd8 121 printf("failed to set dac value %d for channel %d\n\r",cnt,cc);
wbeaumont 4:527490fdcfd8 122 }
wbeaumont 4:527490fdcfd8 123 printf("set DAC value to %d result in",cnt);
wbeaumont 4:527490fdcfd8 124 // no else read anyway even if set fails
wbeaumont 4:527490fdcfd8 125 if(di->update()) printf("\n\rfailed to readback channel info \n\r");
wbeaumont 4:527490fdcfd8 126 else {
wbeaumont 4:527490fdcfd8 127 for ( int cc =0 ; cc <4 ; cc++) {
wbeaumont 4:527490fdcfd8 128 (void)di->getVoltage(voltage,cc);// no need to test done with update
wbeaumont 4:527490fdcfd8 129 printf(" CH%d %f[V]",cc,voltage);
wbeaumont 4:527490fdcfd8 130 }
wbeaumont 4:527490fdcfd8 131 printf("\n\r");
wbeaumont 4:527490fdcfd8 132 }
wbeaumont 4:527490fdcfd8 133
wbeaumont 4:527490fdcfd8 134 cnt++;
wbeaumont 4:527490fdcfd8 135 cnt=cnt % 4096;
wbeaumont 4:527490fdcfd8 136 wait_ms(200);
wbeaumont 1:d175631a5803 137
wbeaumont 1:d175631a5803 138 }
wbeaumont 1:d175631a5803 139
wbeaumont 1:d175631a5803 140
wbeaumont 0:5bc0f4bd5aa0 141 // never reach this
wbeaumont 0:5bc0f4bd5aa0 142 return 1;
wbeaumont 0:5bc0f4bd5aa0 143 }