Engineer's LAB

 CyU3PReturnStatus_t CyFxDebugInit (void)
{
    CyU3PUartConfig_t uartConfig;
    CyU3PReturnStatus_t status = CY_U3P_SUCCESS;

    /* Initialize and configure the UART for logging. */
    status = CyU3PUartInit ();
    if (status != CY_U3P_SUCCESS)
    {
        return status;
    }

    CyU3PMemSet ((uint8_t *)&uartConfig, 0, sizeof (uartConfig));
    uartConfig.baudRate = CY_U3P_UART_BAUDRATE_115200;
    uartConfig.stopBit  = CY_U3P_UART_ONE_STOP_BIT;
    uartConfig.parity   = CY_U3P_UART_NO_PARITY;
    uartConfig.txEnable = CyTrue;
    uartConfig.rxEnable = CyFalse;
    uartConfig.flowCtrl = CyFalse;
    uartConfig.isDma    = CyTrue;
    status = CyU3PUartSetConfig (&uartConfig, NULL);
    if (status != CY_U3P_SUCCESS)
    {
        return status;
    }

    /* Set the dma for an inifinity transfer */
    status = CyU3PUartTxSetBlockXfer (0xFFFFFFFF);
    if (status != CY_U3P_SUCCESS)
    {
        return status;
    }

    /* Start the debug module for printing log messages. */
    status = CyU3PDebugInit (CY_U3P_LPP_SOCKET_UART_CONS, 8);

    return status;
} 

extern CyU3PReturnStatus_t
CyU3PDebugPrint (
        uint8_t priority,       /* Priority level for this message. */
        char   *message,        /* Format specifier string. */
        ...                     /* Variable argument list. */
        );

void CyFxGpioInit (void)
{
    CyU3PGpioClock_t gpioClock;
    CyU3PGpioSimpleConfig_t gpioConfig;
    CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;

    /* Init the GPIO module */
    gpioClock.fastClkDiv = 2;
    gpioClock.slowClkDiv = 0;
    gpioClock.simpleDiv = CY_U3P_GPIO_SIMPLE_DIV_BY_2;
    gpioClock.clkSrc = CY_U3P_SYS_CLK;
    gpioClock.halfDiv = 0;

    apiRetStatus = CyU3PGpioInit(&gpioClock, CyFxGpioIntrCb);
    if (apiRetStatus != 0)
    {
        /* Error Handling */
        CyU3PDebugPrint (4, "CyU3PGpioInit failed, error code = %d\n", apiRetStatus);
        CyFxAppErrorHandler(apiRetStatus);
    }

    /* Override GPIO 25 as this pin is associated with GPIF Control signal.
     * The IO cannot be selected as GPIO by CyU3PDeviceConfigureIOMatrix call
     * as it is part of the GPIF IOs. Override API call must be made with
     * caution as this will change the functionality of the pin. If the IO
     * line is used as part of GPIF and is connected to some external device,
     * then the line will no longer behave as a GPIF IO.. Here CTL4 line is
     * not used and so it is safe to override.  */
    apiRetStatus = CyU3PDeviceGpioOverride (25, CyTrue);
    if (apiRetStatus != 0)
    {
        /* Error Handling */
        CyU3PDebugPrint (4, "CyU3PDeviceGpioOverride failed, error code = %d\n",
                apiRetStatus);
        CyFxAppErrorHandler(apiRetStatus);
    }

    /* Configure GPIO 25 as output */
    gpioConfig.outValue = CyFalse;
    gpioConfig.driveLowEn = CyTrue;
    gpioConfig.driveHighEn = CyTrue;
    gpioConfig.inputEn = CyFalse;
    gpioConfig.intrMode = CY_U3P_GPIO_NO_INTR;
    apiRetStatus = CyU3PGpioSetSimpleConfig(25, &gpioConfig);
    if (apiRetStatus != CY_U3P_SUCCESS)
    {
        /* Error handling */
        CyU3PDebugPrint (4, "CyU3PGpioSetSimpleConfig failed, error code = %d\n", apiRetStatus);
        CyFxAppErrorHandler(apiRetStatus);
    }
}

/* Entry function for the gpioOutputThread */
void GpioOutputThread_Entry (uint32_t input)
{
    CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;

    /* Initialize Debug module */
    apiRetStatus = CyFxDebugInit();
    if (apiRetStatus != CY_U3P_SUCCESS)
    {
        /* Error handling */
        CyU3PDebugPrint (4, "Debug module initialization failed, error code = %d\n",    apiRetStatus);
        CyFxAppErrorHandler(apiRetStatus);
    }

    // Initialize GPIO module.
    CyFxGpioInit ();

//LED 구동 테스트

for (;;)
    {
        //LED Off
        apiRetStatus = CyU3PGpioSetValue (25, CyTrue);
  Delay(500);

        //LED On
        apiRetStatus = CyU3PGpioSetValue (25, CyFalse);
  Delay(500);
    }
}