CCS/CC1310: reconfigure pin input to output

MUTLU SIMSEK

Prodigy 30 points

Part Number: CC1310

Tool/software: Code Composer Studio

Hi All,

I want to change digital pin output mode to inpud mode. I used to bleow code.

For Output:

PIN_Config pinCfg = CC1310DK_7XD_ONEWIRE | PIN_GPIO_OUTPUT_EN | PIN_PUSHPULL |PIN_GPIO_HIGH | PIN_IRQ_DIS;
PIN_setConfig(pinHandle1w, PIN_BM_OUTPUT_MODE, pinCfg);

For input:

PIN_Config pinCfg = CC1310DK_7XD_ONEWIRE | PIN_INPUT_EN | PIN_PULLUP | PIN_HYSTERESIS;
PIN_setConfig(pinHandle1w, PIN_BM_INPUT_MODE, pinCfg);

But I cant change initial mode of pin. How can I do this?

Best regards

over 6 years ago

0 Marie H over 6 years ago

TI__Guru 73361 points

Hi,

What do you mean by "I cant change initial mode of pin"?

0 MUTLU SIMSEK over 6 years ago in reply to Marie H

Prodigy 30 points

Hi,

I want to communicate with DS18b20 over 1wire. So I must to change mode of pin output and input. How can I do this?

Regards.

0 Marie H over 6 years ago in reply to MUTLU SIMSEK

TI__Guru 73361 points

Hi Mutlu,

You should be able to use PIN_setConfig(). See the driver documentation.

0 MUTLU SIMSEK over 6 years ago in reply to Marie H

Prodigy 30 points

I have used PIN_setConfig() for this purpose. But PIN_setConfig() didn't change mode of pin. I solved this problem with below code. Does this methot cause a problems?

PIN_Config pinOneWirein[]=
{
CC1310DK_7XD_ONEWIRE | PIN_INPUT_EN | PIN_PULLUP | PIN_GPIO_OUTPUT_DIS |PIN_HYSTERESIS,
PIN_TERMINATE
};
PIN_Config pinOneWireout[]=
{
CC1310DK_7XD_ONEWIRE | PIN_GPIO_OUTPUT_EN | PIN_GPIO_HIGH | PIN_PUSHPULL | PIN_INPUT_DIS | PIN_DRVSTR_MAX,
PIN_TERMINATE
};

for input:

PIN_close(pinHandle1w);
pinHandle1w = PIN_open(&OneWirepinState, pinOneWirein);

for output:

PIN_close(pinHandle1w);
pinHandle1w = PIN_open(&OneWirepinState, pinOneWireout);

0 Marie H over 6 years ago in reply to MUTLU SIMSEK

TI__Guru 73361 points

This method should work well.

Sub-1 GHz

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CCS/CC1310: reconfigure pin input to output