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MSP430F6726: Implementation of a Single-Phase Watt-Hour Meter

Pavel Dragnev
Prodigy 140 points
Part Number: MSP430F6726
Other Parts Discussed in Thread: EVM430-F6736, MSP430F6736

Hello,
we are trying to implement single-phase watt-hour meter using MSP430F6726, but we are having some troubles with the energy-meter library.
We are aware that MSP430F6726 has only two SD24 channels, and it perfectly suits us since we don't need the neutral current support.
We used the same circuit diagram (without the neutral current part). Since MSP430F6726 is not included in the energy-meter library,
could you please guide us with the necessary modifications?

Best regards,
Pavel

  • 0
    TI__Mastermind 49692 points
    Hello Pavel,

    Please be more specific about what troubles you're facing. Assuming you're referencing the EVM430-F6736 design (SLAA517E), I do see that SD0P0/N0 is connected to the Voltage inputs and SD1P0/N0 is connected to the Current inputs. That part should be fine.

    At a high level, you'll want to disable the neutral monitoring (I don't remember if it's enabled by default or not) and change your device from MSP430F6736 to MSP430F6726 in the IAR project settings.

    Regards,

    James

    MSP Customer Applications
  • 0 in reply to James Evans
    Prodigy 140 points

    Hello James,

    the neutral monitoring is disabled by default. We changed the device to MSP430F6726, but this results in  "Failed to match a default include file" error during build.

    We tried adding the following lines in io.h

    #elif defined(__MSP430F6726__)
    #define __MSP430_6726__

    Then the next error we get is "Unknown architecture!", so we add in io.h:

    #elif defined(__MSP430F6726__)
    #include <msp430f6726.h>

    Now the project compiles without error and the voltage measurement works, but the current is always 0 (we will check again the circuit and the code)

    Thank you for the support!

    Best regards,

    Pavel

  • 0 in reply to Pavel Dragnev
    TI__Mastermind 49692 points

    Hello Pavel,

    EDIT: I didn't read past your first error. You already did this, and I didn't notice.

    Pavel Hristov said:

    We tried adding the following lines in io.h

    #elif defined(__MSP430F6726__)
    #define __MSP430_6726__

    For your first error, you're on the right track. Basically, you'll need to add two more lines linking this definition to the appropriate header file like on Lines 443 and 444.

    An alternative approach to adding these lines of code would be to search for "6736" in the 'io.h' file and replace this with "6726". However, I just added these lines of code and attached it below for your convenience. This resolved the error for me.

    io.h

    /* Modelled after the way MSPGCC handles the inclusion of model specific headers */
#ifndef _IO_H_
#define _IO_H_

#if defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ASM__)

/* Translate the defines generated by IAR */

/********************************************************************
 *  msp430x1xx family
 ********************************************************************/
#if defined(__MSP430C111__) || defined(__MSP430F111__)
#define __MSP430_111__

#elif defined(__MSP430C112__) || defined(__MSP430E112__) || defined(__MSP430F112__)
#define __MSP430_112__

#elif defined(__MSP430F1101__) || defined(__MSP430F1101A__)
#define __MSP430_1101__

#elif defined(__MSP430C1111__) || defined(__MSP430F1111__) || defined(__MSP430F1111A__)
#define __MSP430_1111__

#elif defined(__MSP430C1121__) || defined(__MSP430F1121__) || defined(__MSP430F1121A__)
#define __MSP430_1121__

#elif defined(__MSP430F1122__)
#define __MSP430_1122__

#elif defined(__MSP430F1132__)
#define __MSP430_1132__

#elif defined(__MSP430F1222__)
#define __MSP430_1222__

#elif defined(__MSP430F1232__)
#define __MSP430_1232__

#elif defined(__MSP430C1331__) || defined(__MSP430F1331__)
#define __MSP430_1331__

#elif defined(__MSP430C1351__) || defined(__MSP430F1351__)
#define __MSP430_1351__

#elif defined(__MSP430F133__) || defined(__MSP430F135__)
#define __MSP430_133__

#elif defined(__MSP430F1471__) || defined(__MSP430F1481__) || defined(__MSP430F1491__)
#define __MSP430_1471__

#elif defined(__MSP430F147__) || defined(__MSP430F148__) || defined(__MSP430F149__)
#define __MSP430_147__

#elif defined(__MSP430F155__) || defined(__MSP430F156__) || defined(__MSP430F157__)
#define __MSP430_155__

#elif defined(__MSP430F167__)
#define __MSP430_167__

#elif defined(__MSP430F168__)
#define __MSP430_168__

#elif defined(__MSP430F169__)
#define __MSP430_169__

#elif defined(__MSP430F1610__)
#define __MSP430_1610__

#elif defined(__MSP430F1611__)
#define __MSP430_1611__

#elif defined(__MSP430F1612__)
#define __MSP430_1612__


/********************************************************************
 *  msp430x2xx family
 ********************************************************************/
#elif defined(__MSP430F2001__)
#define __MSP430_2001__

#elif defined(__MSP430F2011__)
#define __MSP430_2011__

#elif defined(__MSP430F2002__)
#define __MSP430_2002__

#elif defined(__MSP430F2012__)
#define __MSP430_2012__

#elif defined(__MSP430F2012__)
#define __MSP430_2012__

#elif defined(__MSP430F2003__)
#define __MSP430_2003__

#elif defined(__MSP430F2013__)
#define __MSP430_2013__

#elif defined(__MSP430F2101__)
#define __MSP430_2101__

#elif defined(__MSP430F2111__)
#define __MSP430_2111__

#elif defined(__MSP430F2121__)
#define __MSP430_2121__

#elif defined(__MSP430F2131__)
#define __MSP430_2131__

#elif defined(__MSP430F2232__)
#define __MSP430_2232__

#elif defined(__MSP430F2252__)
#define __MSP430_2252__

#elif defined(__MSP430F2272__)
#define __MSP430_2272__

#elif defined(__MSP430F2234__)
#define __MSP430_2234__

#elif defined(__MSP430F2354__)
#define __MSP430_2254__

#elif defined(__MSP430F2274__)
#define __MSP430_2274__

#elif defined(__MSP430F2330__)
#define __MSP430_2330__

#elif defined(__MSP430F2350__)
#define __MSP430_2350__

#elif defined(__MSP430F2370__)
#define __MSP430_2370__


/********************************************************************
 *  msp430x3xx family
 ********************************************************************/
#elif defined(__MSP430C311S__)
#define __MSP430_311__

#elif defined(__MSP430C312__)
#define __MSP430_312__

#elif defined(__MSP430C313__) || defined(__MSP430EC313__) || defined(__MSP430P313__)
#define __MSP430_313__

#elif defined(__MSP430C314__)
#define __MSP430_314__

#elif defined(__MSP430C315__) || defined(__MSP430E315__) || defined(__MSP430P315__)  || defined(__MSP430P315S__)
#define __MSP430_315__

#elif defined(__MSP430C323__) || defined(__MSP430C325__)
#define __MSP430_323__

#elif defined(__MSP430E325__) || defined(__MSP430P325__)
#define __MSP430_325__

#elif defined(__MSP430C336__)
#define __MSP430_336__

#elif defined(__MSP430C337__) || defined(__MSP430E337__) || defined(__MSP430P337__)
#define __MSP430_337__


/********************************************************************
 *  msp430x4xx family
 ********************************************************************/
#elif defined(__MSP430C412__) || defined(__MSP430F412__)
#define __MSP430_412__

#elif defined(__MSP430C413__) || defined(__MSP430F413__)
#define __MSP430_413__

#elif defined(__MSP430F415__)
#define __MSP430_415__

#elif defined(__MSP430F417__)
#define __MSP430_417__

#elif defined(__MSP430F4250__)
#define __MSP430_4250__

#elif defined(__MSP430F4260__)
#define __MSP430_4260__

#elif defined(__MSP430F4270__)
#define __MSP430_4270__

#elif defined(__MSP430F423__)
#define __MSP430_423__

#elif defined(__MSP430F425__)
#define __MSP430_425__

#elif defined(__MSP430F427__)
#define __MSP430_427__

#elif defined(__MSP430FE423__)
#define __MSP430_E423__

#elif defined(__MSP430FE425__)
#define __MSP430_E425__

#elif defined(__MSP430FE427__)
#define __MSP430_E427__

#elif defined(__MSP430FE423A__)
#define __MSP430_E423A__

#elif defined(__MSP430FE425A__)
#define __MSP430_E425A__

#elif defined(__MSP430FE427A__)
#define __MSP430_E427A__

#elif defined(__MSP430FE4232__)
#define __MSP430_E4232__

#elif defined(__MSP430FE4242__)
#define __MSP430_E4242__

#elif defined(__MSP430FE4252__)
#define __MSP430_E4252__

#elif defined(__MSP430FE4272__)
#define __MSP430_E4272__

#elif defined(__MSP430W423__)
#define __MSP430_W423__

#elif defined(__MSP430W425__)
#define __MSP430_W425__

#elif defined(__MSP430W427__)
#define __MSP430_W427__

#elif defined(__MSP430F435__)
#define __MSP430_435__

#elif defined(__MSP430F436__)
#define __MSP430_436__

#elif defined(__MSP430F437__)
#define __MSP430_437__

#elif defined(__MSP430FG437__)
#define __MSP430_G437__

#elif defined(__MSP430FG438__)
#define __MSP430_G438__

#elif defined(__MSP430FG439__)
#define __MSP430_G439__

#elif defined(__MSP430F447__)
#define __MSP430_447__

#elif defined(__MSP430F448__)
#define __MSP430_448__

#elif defined(__MSP430F449__)
#define __MSP430_449__

#elif defined(__MSP430FG4616__)
#define __MSP430_G4616__

#elif defined(__MSP430FG4617__)
#define __MSP430_G4617__

#elif defined(__MSP430FG4618__)
#define __MSP430_G4618__

#elif defined(__MSP430FG4619__)
#define __MSP430_G4619__

#elif defined(__MSP430F4783__)
#define __MSP430_4783__

#elif defined(__MSP430F4793__)
#define __MSP430_4793__

#elif defined(__MSP430F4784__)
#define __MSP430_4784__

#elif defined(__MSP430F4794__)
#define __MSP430_4794__

#elif defined(__MSP430F47166__)
#define __MSP430_47166__

#elif defined(__MSP430F47176__)
#define __MSP430_47176__

#elif defined(__MSP430F47186__)
#define __MSP430_47186__

#elif defined(__MSP430F47196__)
#define __MSP430_47196__

#elif defined(__MSP430F47167__)
#define __MSP430_47167__

#elif defined(__MSP430F47177__)
#define __MSP430_47177__

#elif defined(__MSP430F47187__)
#define __MSP430_47187__

#elif defined(__MSP430F47193__)
#define __MSP430_47193__

#elif defined(__MSP430F47197__)
#define __MSP430_47197__

#elif defined(__MSP430F6726__)
#define __MSP430_6726__

#elif defined(__MSP430F6733__)
#define __MSP430_6733__

#elif defined(__MSP430F6736__)
#define __MSP430_6736__

#elif defined(__MSP430AFE223__) || defined(__MSP430AFE233__) || defined(__MSP430AFE253__)

#else
#error "Failed to match a default include file"
#endif

#endif

#if defined(__MSP430_1101__) || defined(__MSP430_1111__) || defined(__MSP430_1121__)
#include <msp430x11x1.h>

#elif defined(__MSP430_110__) || defined(__MSP430_112__)
#include <msp430x11x.h>

#elif defined(__MSP430_122__) || defined(__MSP430_123__)
#include <msp430x12x.h>

#elif defined(__MSP430_1122__) || defined(__MSP430_1132__)
#include <msp430x11x2.h>

#elif defined(__MSP430_1222__) || defined(__MSP430_1232__)
#include <msp430x12x2.h>

#elif defined(__MSP430_133__) || defined(__MSP430_135__)
#include <msp430x13x.h>

#elif defined(__MSP430_147__) || defined(__MSP430_148__) || defined(__MSP430_149__)
#include <msp430x14x.h>

#elif defined(__MSP430_1331__) || defined(__MSP430_1351__)
#include <msp430x13x1.h>

#elif defined(__MSP430_1471__) || defined(__MSP430_1481__) || defined(__MSP430_1491__)
#include <msp430x14x1.h>

#elif defined(__MSP430_155__) || defined(__MSP430_156__) || defined(__MSP430_157__)
#include <msp430x15x.h>

#elif defined(__MSP430_167__) || defined(__MSP430_168__) || defined(__MSP430_169__) || defined(__MSP430_1610__) || defined(__MSP430_1611__) || defined(__MSP430_1612__)
#include <msp430x16x.h>

#elif defined(__MSP430_2001__) || defined(__MSP430_2011__)
#include <msp430x20x1.h>

#elif defined(__MSP430_2002__) || defined(__MSP430_2012__)
#include <msp430x20x2.h>

#elif defined(__MSP430_2003__) || defined(__MSP430_2013__)
#include <msp430x20x3.h>

#elif defined(__MSP430_2101__) || defined(__MSP430_2111__) || defined(__MSP430_2121__) || defined(__MSP430_2131__)
#include <msp430x21x1.h>

#elif defined(__MSP430_2234__) || defined(__MSP430_2254__) || defined(__MSP430_2274__)
#include <msp430x22x4.h>

#elif defined(__MSP430_311__) || defined(__MSP430_312__) || defined(__MSP430_313__) || defined(__MSP430_314__) || defined(__MSP430_315__)
#include <msp430x31x.h>

#elif defined(__MSP430_323__) || defined(__MSP430_325__)
#include <msp430x32x.h>

#elif defined(__MSP430_336__) || defined(__MSP430_337__)
#include <msp430x33x.h>

#elif defined(__MSP430_412__) || defined(__MSP430_413__) || defined(__MSP430_415__) || defined(__MSP430_417__)
#include <msp430x41x.h>

#elif defined(__MSP430_423__) || defined(__MSP430_425__) || defined(__MSP430_427__)
#include <msp430x42x.h>

#elif defined(__MSP430_4250__) || defined(__MSP430_4260__) || defined(__MSP430_4270__)
#include <msp430x42x0.h>

#elif defined(__MSP430_E423__) || defined(__MSP430_E425__) || defined(__MSP430_E427__)
#include <msp430xE42x.h>

#elif defined(__MSP430_E423A__) || defined(__MSP430_E425A__) || defined(__MSP430_E427A__)
#include <msp430xE42x.h>

#elif defined(__MSP430_E4232__) || defined(__MSP430_E4242__) || defined(__MSP430_E4252__) || defined(__MSP430_E4272__)
#include <msp430xE42x2.h>

#elif defined(__MSP430_W423__) || defined(__MSP430_W425__) || defined(__MSP430_W427__)
#include <msp430xW42x.h>

#elif defined(__MSP430_G437__) || defined(__MSP430_G438__) || defined(__MSP430_G439__)
#include <msp430xG43x.h>

#elif defined(__MSP430_435__) || defined(__MSP430_436__) || defined(__MSP430_437__)
#include <msp430x43x.h>

#elif defined(__MSP430_447__) || defined(__MSP430_448__) || defined(__MSP430_449__)
#include <msp430x44x.h>

#elif defined(__MSP430_G4616__) || defined(__MSP430_G4617__) || defined(__MSP430_G4618__) || defined(__MSP430_G4619__)
#include <msp430xG46x.h>

#elif defined(__MSP430_4783__) || defined(__MSP430_4793__)
#include <msp430x47x3.h>

#elif defined(__MSP430_4784__) || defined(__MSP430_4794__)
#include <msp430x47x4.h>

#elif defined(__MSP430_47163__) || defined(__MSP430_47173__) || defined(__MSP430_47183__) || defined(__MSP430_47193__)
#include <msp430x471x3.h>

#elif defined(__MSP430_47166__) || defined(__MSP430_47176__) || defined(__MSP430_47186__) || defined(__MSP430_47196__)
#include <msp430x471x6.h>

#elif defined(__MSP430_47167__) || defined(__MSP430_47177__) || defined(__MSP430_47187__) || defined(__MSP430_47197__)
#include <msp430x471x7.h>

#elif defined(__MSP430F6726__)
#include <msp430f6726.h>

#elif defined(__MSP430F6733__)
#include <msp430f6733.h>

#elif defined(__MSP430F6736__)
#include <msp430f6736.h>

#elif defined(__MSP430AFE253__)
#include <msp430afe253.h>

#elif defined(__MSP430__)
#error "Unknown architecture! Please check"
#include <iomacros.h>
#endif

#endif

    Regards,

    James

    MSP Customer Applications

  • 0 in reply to Pavel Dragnev
    TI__Mastermind 49692 points
    Please disregard my previous post. I didn't notice that you already did what I described.

    Regards,

    James

    MSP Customer Applications

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