CC2530: internal temperature sensor in CC2530 module

shahriar gholami

Intellectual 440 points

Part Number: CC2530

How to activate/access to internal temperature sensor in CC2530 module???

over 7 years ago

0 YiKai Chen over 7 years ago

Guru 735695 points

Try to refer to

0 Fredrik K over 7 years ago

TI__Guru** 106705 points

Hi Shahriar,

You can also refer to the CC253x/4x User´s Guide.

Regards,
Fredrik

0 shahriar gholami over 6 years ago in reply to YiKai Chen

Intellectual 440 points

hello... thanks for your answer

I tried to follow the procedure in the link you sent but the TR0 register is undefined in my sample app

and my second problem is that where should I call and use this code??? in zcl_sampletempereturesensor.c???

0 YiKai Chen over 6 years ago in reply to shahriar gholami

Guru 735695 points

Yes, you can do temperature in zcl_sampletempereturesensor.c.

0 shahriar gholami over 6 years ago in reply to YiKai Chen

Intellectual 440 points

Tnx and where the TR0 should be defined in the project???

0 YiKai Chen over 6 years ago in reply to shahriar gholami

Guru 735695 points

TR0 is defined in ioCC2530.h.

0 shahriar gholami over 6 years ago in reply to YiKai Chen

Intellectual 440 points

hello again

I wrote this function and recalled it in my sample temperature program event loop. but the returned value is always zero.

int8 readTemperature(void)

{

static uint16 voltageAtTemp22;

static uint8 bCalibrate=TRUE;

uint16 value;

int8 temp;

ATEST = 0x01;

TR0 |= 0x01;

/*clear adc interrupt flag*/

ADCIF=0;

//ADCCON3 = (HAL_ADC_REF_125V | HAL_ADC_DEC_512 | HAL_ADC_CHN_TEMP);

ADCCON3 = (0x00 | 0x30 | 0x0e);

/*wait for the conversion to finish*/

while ( !ADCIF );

/*get the result*/

value = ADCL;

value |= ((uint16) ADCH) << 8;

/*use the 12 MSB of adcvalue*/

value>>=4;

#define voltage_AT_Temp_25 1480

#define Temp_Coefficient 4

if (bCalibrate){

voltageAtTemp22=value;

bCalibrate=FALSE;

}

temp=22+((value-voltageAtTemp22)/Temp_Coefficient);

if (temp>=100)

{

return 100;

}

else if(temp<=100)

{

return 0;

}

else{

return temp;

}

is any thing wrong??? what should I do to have the correct corresponding ADC value for the temperature?

0 shahriar gholami over 6 years ago in reply to shahriar gholami

Intellectual 440 points

any further recommendation from TI???

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CC2530: internal temperature sensor in CC2530 module