/******************************************************************************
*
* Function: gpioClearFallingEdgeInterrupt
*
* Description: This function clears specified GPIO's falling edge interrupt
*
* Parameters: uiNumber - GPIO number to configure
*
* Return Value: void
*
*****************************************************************************/
void gpioClearFallingEdgeInterrupt( uint32_t uiNumber )
{
CSL_GpioHandle hGpio;
// Open the CSL GPIO Module 0
hGpio = CSL_GPIO_open (0);
CSL_GPIO_clearFallingEdgeDetect(hGpio, uiNumber); //GPIOREGS->CLR_FAL_TRIG |= (1 << uiNumber);
}
/******************************************************************************
*
* Function: gpioInit
*
* Description: Initializes the GPIO peripheral
*
* Parameters: void
*
* Return Value: void
*
*****************************************************************************/
void gpioInit(void)
{
Int32 pinNum;
CSL_GpioHandle hGpio;
// Open the CSL GPIO Module 0
hGpio = CSL_GPIO_open(0);
// Disable the GPIO global interrupts
CSL_GPIO_bankInterruptDisable(hGpio, GPIOBANKNUM);
// Clear all falling edge trigger and rising edge trigger
for (pinNum = GPIO_0; pinNum <= GPIO_15; pinNum++)
{
CSL_GPIO_clearFallingEdgeDetect(hGpio, pinNum);
CSL_GPIO_clearRisingEdgeDetect(hGpio, pinNum);
}
}
BOOL Gpio_Init()
{
int32_t pinNum;
//CSL_GpioHandle hGpio;
if( bGpioInitialized == TRUE)
{
return TRUE;
}
// Open the CSL GPIO Module 0
GpioHandle = CSL_GPIO_open (0);
// Disable the GPIO global interrupts
CSL_GPIO_bankInterruptEnable(GpioHandle, GPIOBANKNUM);
// Clear all falling edge trigger and rising edge trigger
for (pinNum = GPIO_0; pinNum <= GPIO_15; pinNum++) {
CSL_GPIO_clearFallingEdgeDetect(GpioHandle, pinNum);
CSL_GPIO_clearRisingEdgeDetect (GpioHandle, pinNum);
}
// Set all GPIO as input
// GPIOREGS->DIR = GPIOREGS->DIR & 0xffffffff;
// Configure the GPIOs for NAND flash controller communication
// Configure data bus as output
//gpioSetDataBusDirection(GPIO_OUT);
#ifdef EVMBOARD
// Configure the signal pins direction
gpioSetDirection(DSP_FPGA_CMD0, GPIO_OUT );
gpioSetDirection(DSP_FPGA_CMD1, GPIO_OUT );
gpioSetDirection(DSP_FPGA_STROBE, GPIO_OUT );
gpioSetDirection(FPGA_DSP_READY, GPIO_IN );
#endif
bGpioInitialized = TRUE;
return TRUE;
}
