Exemplos de WF_CS_Deassert em C++ (Cpp)

Exemplo n.º 1

Arquivo: drv_wifi_spi.c Projeto: Eilliar/wcm-aws-iot-sdk

bool DRV_WIFI_SpiInit()
{
#if defined(PLIB_PORTS_ExistsPortsDirection)
    if (PLIB_PORTS_ExistsPortsDirection(PORTS_ID_0))
    {
        WF_CS_Init();
    }
#endif

    WF_CS_Deassert(); // Disable chip select before initialization

    drvSPIHandle = DRV_SPI_Open(DRV_WIFI_SPI_INDEX, DRV_IO_INTENT_READWRITE|DRV_IO_INTENT_BLOCKING);
    if (drvSPIHandle == (DRV_SPI_BUFFER_HANDLE)NULL)
    {
        //DRV_WIFI_ASSERT(false, "SPI open error");
        return false;
    }

    return true;
}

Exemplo n.º 2

Arquivo: drv_wifi_spi_init.c Projeto: ufanders/wordClock

/*****************************************************************************
  Function:
    void WF_SpiDisableChipSelect(void)

  Summary:
    Disables the MRF24W SPI chip select.

  Description:
    Disables the MRF24W SPI chip select as part of the sequence of SPI 
    communications.

  Precondition:
    None

  Parameters:
    None

  Returns:
    None
      
  Remarks:
    If the SPI bus is shared with other peripherals then the current SPI context
    is restored.
*****************************************************************************/
void WF_SpiDisableChipSelect(void)
{
    /* set Slave Select high ((disable SPI chip select on MRF24W)   */
    WF_CS_Deassert();
}