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liumin
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//****************************************************************************
// @Module High Speed Synchronous Serial Interface(SSC)
// @Filename SSC.C
// @Project CL2.0.dav
//----------------------------------------------------------------------------
// @Controller Infineon XC886CLM-8FF
//
// @Compiler Keil
//
// @Codegenerator 1.9
//
// @Description: This file contains functions that use the SSC module.
//
//----------------------------------------------------------------------------
// @Date 2013-11-11 12:29:47
//
//****************************************************************************
// USER CODE BEGIN (SSC_General,1)
// USER CODE END
//****************************************************************************
// @Project Includes
//****************************************************************************
#include "MAIN.H"
// USER CODE BEGIN (SSC_General,2)
// USER CODE END
//****************************************************************************
// @Macros
//****************************************************************************
// USER CODE BEGIN (SSC_General,3)
// USER CODE END
//****************************************************************************
// @Defines
//****************************************************************************
// USER CODE BEGIN (SSC_General,4)
// USER CODE END
//****************************************************************************
// @Typedefs
//****************************************************************************
// USER CODE BEGIN (SSC_General,5)
// USER CODE END
//****************************************************************************
// @Imported Global Variables
//****************************************************************************
// USER CODE BEGIN (SSC_General,6)
// USER CODE END
//****************************************************************************
// @Global Variables
//****************************************************************************
// USER CODE BEGIN (SSC_General,7)
// USER CODE END
//****************************************************************************
// @External Prototypes
//****************************************************************************
// USER CODE BEGIN (SSC_General,8)
// USER CODE END
//****************************************************************************
// @Prototypes Of Local Functions
//****************************************************************************
// USER CODE BEGIN (SSC_General,9)
// USER CODE END
//****************************************************************************
// @Function void SSC_vInit(void)
//
//----------------------------------------------------------------------------
// @Description This is the initialization function of the SSC function
// library. It is assumed that the SFRs used by this library
// are in their reset state.
//
//----------------------------------------------------------------------------
// @Returnvalue None
//
//----------------------------------------------------------------------------
// @Parameters None
//
//----------------------------------------------------------------------------
// @Date 2013-11-11
//
//****************************************************************************
// USER CODE BEGIN (Init,1)
// USER CODE END
void SSC_vInit(void)
{
// USER CODE BEGIN (Init,2)
// USER CODE END
/// - Port Selection
SSC_PISEL = 0x01; // load SSC Port Input Select Register to
// Port A
/// -----------------------------------------------------------------------
/// Configuration of the used SSC Port Pins:
/// -----------------------------------------------------------------------
/// Pin SCLK (P0.3) is selected for SCLK ouput
/// Pin MTSR_1 (P0.4) is selected for Master Transmit Output
/// Pin MRST_1 (P0.5) is selected for Master Receive Input
SFR_PAGE(_pp2, noSST); // switch to page 2 without saving
P0_ALTSEL0 |= 0x18; // set AltSel0
P0_ALTSEL1 &= ~(ubyte)0x18; // set AltSel1
SFR_PAGE(_pp0, noSST); // switch to page 0 without saving
P0_DIR |= 0x18; // set OutPut Direction
/// Pin SCLK (P1.2) is Not selected for SCLK ouput
/// Pin MTSR_0 (P1.3) is Not selected for Master Transmit Output
/// Pin MRST_0 (P1.4) Not is selected for Master Receive Input
SSC_CONH_P &= ~(ubyte)0x80; // enable access to control bits
/// -----------------------------------------------------------------------
/// Configuration of the SSC Baud Rate Generator:
/// -----------------------------------------------------------------------
/// - required baud rate = 2000.000 kbaud
/// - real baud rate = 2000.000 kbaud
/// - deviation = 0.000 %
SSC_BRH = 0x00; // load SSC baud rate time reload register
// high
SSC_BRL = 0x05; // load SSC baud rate time reload register
// low
/// -----------------------------------------------------------------------
/// Configuration of the SSC Operation Mode:
/// -----------------------------------------------------------------------
/// - this device is configured as SSC master
/// - transfer data width is 8 bit
/// - transfer/receive MSB first
/// - shift transmit data on the leading clock edge, latch on trailing edge
/// - idle clock line is low, leading clock edge is low-to-high transition
/// - ignore receive error
/// - ignore phase error
SSC_CONH_P = 0x40; // load SSC control register
SSC_CONL_P = 0x17; // load SSC control register
SSC_CONH_P |= 0x80; // disable access to control bits
/// - SSC interrupt is disabled
// USER CODE BEGIN (Init,3)
// USER CODE END
} // End of function SSC_vInit
//****************************************************************************
// @Function void SSC_vSendData(ubyte Data)
//
//----------------------------------------------------------------------------
// @Description The master device can initiate the first data transfer by
// writing the transmit data into transmit buffer. This value
// is copied into the shift register (which is assumed to be
// empty at this time), and the selected first bit of the
// transmit data is placed onto the MTSR line on the next
// clock from the baud rate generator.
// A slave device immediately outputs the selected first bit
// (MSB or LSB of the transfer data) at pin MRST, when the
// contents of the transmit buffer are copied into the slave's
// shift register.
//
//----------------------------------------------------------------------------
// @Returnvalue None
//
//----------------------------------------------------------------------------
// @Parameters Data:
// Data to be send
//
//----------------------------------------------------------------------------
// @Date 2013-11-11
//
//****************************************************************************
// USER CODE BEGIN (SendData,1)
// USER CODE END
void SSC_vSendData(ubyte Data)
{
SSC_TBL = Data; // load transmit buffer register
} // End of function SSC_vSendData
//****************************************************************************
// @Function ubyte SSC_vGetData(void)
//
//----------------------------------------------------------------------------
// @Description This function returns the contents of the receive buffer.
// When the receive interrupt request flag is set this implies
// that data is available for reading in the receive buffer.
//
//----------------------------------------------------------------------------
// @Returnvalue Received data
//
//----------------------------------------------------------------------------
// @Parameters None
//
//----------------------------------------------------------------------------
// @Date 2013-11-11
//
//****************************************************************************
// USER CODE BEGIN (GetData,1)
// USER CODE END
ubyte SSC_vGetData(void)
{
return(SSC_RBL); // return receive buffer register
} // End of function SSC_vGetData
// USER CODE BEGIN (SSC_General,10)
// USER CODE END