/*
Input_Init - display driver initialization routine
*/
INT8U Input_Init(POSDRV_DISPATCH pDispatch, PVOID *ppContext,
POSDRV_CONFIG pConfig)
{
// allocate the data extension for use to save data for this driver
*ppContext = DRV_MEMALLOC(sizeof(INPUT_EXT));
if (*ppContext == NULL)
{
return OS_DRV_BUFFER_SIZE;
}
// zero the data extension
memset(*ppContext, 0, sizeof(INPUT_EXT));
// create a name for each device that we support
OSDRV_AddName(pConfig, "INPUT");
// set up the supported entry points for this driver
pDispatch->pOpen = Input_Open; // required
pDispatch->pClose = Input_Close; // required
pDispatch->pRead = NULL; // optional, not currently supported in this driver
pDispatch->pWrite = NULL; // optional; not supported until adding the LCD
pDispatch->pIoctl = Input_Ioctl; // optional
// set this driver to accept non-serialized requests on each handle
// any synchronization needs to be handled by the driver or caller above us
pConfig->Exclusive = FALSE;
// return success
return OS_DRV_NO_ERR;
}
/*
Mp3_Init - SPI driver initialization routine
*/
INT8U Mp3_Init(POSDRV_DISPATCH pDispatch, PVOID *ppContext, POSDRV_CONFIG pConfig)
{
// allocate the data extension for use to save data for this driver
*ppContext = DRV_MEMALLOC(sizeof(MP3_EXT));
// zero the data extension
memset(*ppContext, 0, sizeof(MP3_EXT));
((PMP3_EXT)*ppContext)->hSpi = OS_DRV_INVALID_HANDLE;
// create a name for each device that we support
OSDRV_AddName(pConfig, "MP30");
// setup the supported entry points for this driver
pDispatch->pOpen = Mp3_Open; // required
pDispatch->pClose = Mp3_Close; // required
pDispatch->pRead = NULL; // optional, not currently supported in this driver
pDispatch->pWrite = Mp3_Write; // optional
pDispatch->pIoctl = Mp3_Ioctl; // optional
// set this driver to accept serialized requests on each handle
pConfig->Exclusive = TRUE;
// return success
return OS_DRV_NO_ERR;
}
/*
Spi_Init - SPI driver initialization routine
*/
INT8U Spi_Init(POSDRV_DISPATCH pDispatch, PVOID *ppContext, POSDRV_CONFIG pConfig)
{
PSPI_DEVICE pDevice;
// allocate the data extension for use to save data for this driver
*ppContext = DRV_MEMALLOC(sizeof(SPI_EXT));
if (*ppContext == NULL) {
return OS_DRV_BUFFER_SIZE;
}
// zero the data extension
memset(*ppContext, 0, sizeof(SPI_EXT));
// initialize the addresses for the supported devices
pDevice = &((PSPI_EXT)*ppContext)->Device[0];
pDevice->pSSPnCR0 = (INT16U*)SSP0CR0;
pDevice->pSSPnCR1 = (INT8U*)SSP0CR1;
pDevice->pSSPnDR = (INT16U*)SSP0DR;
pDevice->pSSPnSR = (INT8U*)SSP0SR;
pDevice->pSSPnCPSR = (INT8U*)SSP0CPSR;
pDevice->pSSPnIMSC = (INT8U*)SSP0IMSC;
pDevice->pSSPnRIS = (INT8U*)SSP0RIS;
pDevice->pSSPnMIS = (INT8U*)SSP0MIS;
pDevice->pSSPnICR = (INT8U*)SSP0ICR;
pDevice->pSSPnDMACR = (INT16U*)SSP0DMACR;
//set the pins
pDevice->PinSck = SPI0_SCK;
pDevice->PinMISO = SPI0_MISO;
pDevice->PinMOSI = SPI0_MOSI;
// create a name for each device that we support
OSDRV_AddName(pConfig, "SPI0");
// now do the second device
pDevice = &((PSPI_EXT)*ppContext)->Device[1];
pDevice->pSSPnCR0 = (INT16U*)SSP1CR0;
pDevice->pSSPnCR1 = (INT8U*)SSP1CR1;
pDevice->pSSPnDR = (INT16U*)SSP1DR;
pDevice->pSSPnSR = (INT8U*)SSP1SR;
pDevice->pSSPnCPSR = (INT8U*)SSP1CPSR;
pDevice->pSSPnIMSC = (INT8U*)SSP1IMSC;
pDevice->pSSPnRIS = (INT8U*)SSP1RIS;
pDevice->pSSPnMIS = (INT8U*)SSP1MIS;
pDevice->pSSPnICR = (INT8U*)SSP1ICR;
pDevice->pSSPnDMACR = (INT16U*)SSP1DMACR;
//set the pins
pDevice->PinSck = SPI1_SCK;
pDevice->PinMISO = SPI1_MISO;
pDevice->PinMOSI = SPI1_MOSI;
// create a name for each device that we support
OSDRV_AddName(pConfig, "SPI1");
// setup the supported entry points for this driver
pDispatch->pOpen = Spi_Open; // required
pDispatch->pClose = Spi_Close; // required
pDispatch->pRead = NULL; // optional, not currently supported in this driver
pDispatch->pWrite = Spi_Write; // optional
pDispatch->pIoctl = Spi_Ioctl; // optional
// set this driver to accept non-serialized requests on each handle
// any synchronization needs to be handled by the driver or caller above us
pConfig->Exclusive = FALSE;
// return success
return OS_DRV_NO_ERR;
}
