RTOS/CC2640: Using a macro causes Sensor Controller to unexpectedly stop working

Roman Kuleshov

Part Number: CC2640

Tool/software: TI-RTOS

When I go to Task Testing and/or Code Generator I get an error. Here is the code:

Initialization Code:

// Schedule the first execution at the next RTC tick
fwScheduleTask(1);

Execution Code:

macro read_rtc_sensor(result) {
    
    U16 data = 0;
    
    i2cStart();
    i2cTx(0xD0 | I2C_OP_WRITE);
    i2cTx(0x11);
    
    // If successful ...
    if (state.i2cStatus == 0x0000) {
        
        U16 msb;
        U16 lsb;
        
        i2cRepeatedStart();
        i2cTx(0xD0 | I2C_OP_READ);
        i2cRxAck(msb);
        i2cRxNack(lsb);
        
        data = (msb << 8) + lsb;
        
    }
    
    i2cStop();
    
    // Handle errors, if any ...
    if (state.i2cStatus != 0x0000) {
        // handle errors
    }
    
    result = data;
    
}


U16 result;
read_rtc_sensor(result);

Termination Code:

None

Here is the error I get:

Clicking on debug leads to this:

Please help, I'm at a loss here on how to proceed.

over 6 years ago

0 Eirik V over 6 years ago

TI__Guru 56590 points

Hello Roman,
Thanks for the feedback. I have filed a ticket for the developer and get back to you when we know more.

0 Eirik V over 6 years ago

TI__Guru 56590 points

Hello again Roman,
While we wait:
I triggered the bug, but by adding your execution code and then going into the task resources and selecting resources before I went to the code generator it worked without crashing. Try to play a round a bit in the GUI before you try to run task testing or the code generator. Maybe it will help you move along before the developer can find the bug.

0 Eirik V over 6 years ago in reply to Eirik V

TI__Guru 56590 points

I spoke to soon. It still crashes. I will let you know when we know more.

0 Eirik V over 6 years ago

TI__Guru 56590 points

For now try with this (no empty lines at the top or bottom):

macro read_rtc_sensor(result) {
    U16 data = 0;

    i2cStart();
    i2cTx(0xD0 | I2C_OP_WRITE);
    i2cTx(0x11);

    // If successful ...
    if (state.i2cStatus == 0x0000) {
        U16 msb;
        U16 lsb;

        i2cRepeatedStart();
        i2cTx(0xD0 | I2C_OP_READ);
        i2cRxAck(msb);
        i2cRxNack(lsb);
        data = (msb << 8) + lsb;
    }
    i2cStop();
    // Handle errors, if any ...
    if (state.i2cStatus != 0x0000) {
        // handle errors
    }
    result = data;
}
U16 result;
read_rtc_sensor(result);

0 Roman Kuleshov over 6 years ago in reply to Eirik V

Intellectual 520 points

That works! It seems that you cannot have empty lines in the macro after the leading curly brace and/or before the trailing curly brace.

0 Eirik V over 6 years ago in reply to Roman Kuleshov

TI__Guru 56590 points

Yes. It is probably a compiler issue. You should be fine by avoiding empty lines for now and then the fix should be added in the next release of sensor controller studio (1.5.0).

0 Roman Kuleshov over 6 years ago in reply to Eirik V

Intellectual 520 points

Thank you! :)

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RTOS/CC2640: Using a macro causes Sensor Controller to unexpectedly stop working