Based on the video on the cypress website, the pin EZ-DTECT can be used as a general purpose pin.

1. What code should I write to configure it? In specific, I need to know what to write instead of ****XXXX****

    /* Configure EZ-DTECT as output */
    gpioConfig.outValue = CyFalse;
    gpioConfig.driveLowEn = CyTrue;
    gpioConfig.driveHighEn = CyTrue;
    gpioConfig.inputEn = CyFalse;
    gpioConfig.intrMode = CY_U3P_GPIO_NO_INTR;

    apiRetStatus = CyU3PGpioSetSimpleConfig( ****XXXX****, &gpioConfig);
    if (apiRetStatus != CY_U3P_SUCCESS)
    {
        /* Error handling */
        CyU3PDebugPrint (4, "EZ-DTECT Set Config Error, Error Code = %d\n",apiRetStatus);
        CyFxAppErrorHandler(apiRetStatus);
    }
 

2. Also, do I need to use override function or not?

    apiRetStatus = CyU3PDeviceGpioOverride (****XXXX****, CyTrue);
    if (apiRetStatus != 0)
    {
        /* Error Handling */
        CyU3PDebugPrint (4, "EZ-DTECT Override failed, Error Code = %d\n",apiRetStatus);
        CyFxAppErrorHandler(apiRetStatus);
    }

Thanks,

Nazila

Hi Nazila,

refer to the data sheet the pin is the number 60 so use instead of ****XXXX**** the value 60. This pin can just used as an output pin.

The way you described to initialize the pin with CyU3PDeviceGpioOverride (60, CyTrue); has to work but may be you can ran in issues if you use the GPIO in the bitmap of the matrix configure function.

Regards

Lumpi

Hi Lumpi,

Thanks! then please correct the posted video: http://www.cypress.com/?rID=51181

At 37:46, it is talking about the Charge detect pin and it says that it can be use as either an input or output!

Nazila

Hi Nazila,

I never tried it to use this pin as an input, may be it works, try it! The pin works for sure as an output pin.

The data sheet (52136) says on page 34 tabele 16. Pin List that it is an I/O (there you're right) but the name is not the same as other GPIO's. There it says O[60] and others are e. g. GPIO[23].

Lumpi