inhr1.c

PWM同步

/** ###################################################################
**     THIS BEAN MODULE IS GENERATED BY THE TOOL. DO NOT MODIFY IT.
**     Filename  : Inhr1.C
**     Project   : Iadc
**     Processor : 56F8346
**     Beantype  : AsynchroSerial
**     Version   : Bean 02.333, Driver 01.21, CPU db: 2.87.097
**     Compiler  : Metrowerks DSP C Compiler
**     Date/Time : 2009-2-9, 10:57
**     Abstract  :
**         This bean "AsynchroSerial" implements an asynchronous serial
**         communication. The bean supports different settings of
**         parity, word width, stop-bit and communication speed,
**         user can select interrupt or polling handler.
**         Communication speed can be changed also in runtime.
**         The bean requires one on-chip asynchronous serial channel.
**     Settings  :
**         Serial channel              : SCI0
**
**         Protocol
**             Init baud rate          : 9600baud
**             Width                   : 8 bits
**             Stop bits               : 1
**             Parity                  : none
**             Breaks                  : Disabled
**
**         Registers
**             Input buffer            : SCI0_SCIDR [62084]
**             Output buffer           : SCI0_SCIDR [62084]
**             Control register        : SCI0_SCICR [62081]
**             Mode register           : SCI0_SCICR [62081]
**             Baud setting reg.       : SCI0_SCIBR [62080]
**
**         Input interrupt
**             Vector name             : INT_SCI0_RxFull
**             Priority                : 1
**
**         Output interrupt
**             Vector name             : INT_SCI0_TxEmpty
**             Priority                : 1
**
**         Used pins:
**         ----------------------------------------------------------
**           Function | On package           |    Name
**         ----------------------------------------------------------
**            Input   |     5                |  GPIOE1_RxD0
**            Output  |     4                |  GPIOE0_TxD0
**         ----------------------------------------------------------
**
**
**
**     Contents  :
**         RecvChar - byte Inhr1_RecvChar(Inhr1_TComData *Chr);
**         SendChar - byte Inhr1_SendChar(Inhr1_TComData Chr);
**         GetError - byte Inhr1_GetError(Inhr1_TError *Err);
**
**     (c) Copyright UNIS, spol. s r.o. 1997-2005
**     UNIS, spol. s r.o.
**     Jundrovska 33
**     624 00 Brno
**     Czech Republic
**     http      : www.processorexpert.com
**     mail      : [e-mail]
** ###################################################################*/

/* MODULE Inhr1. */

#include "Inhr1.h"
#include "PC_M1.h"


#define OVERRUN_ERR      1             /* Overrun error flag bit    */
#define FRAMING_ERR      2             /* Framing error flag bit    */
#define PARITY_ERR       4             /* Parity error flag bit     */
#define CHAR_IN_RX       8             /* Char is in RX buffer      */
#define FULL_TX          16            /* Full transmit buffer      */
#define RUNINT_FROM_TX   32            /* Interrupt is in progress  */
#define FULL_RX          64            /* Full receive buffer       */
#define NOISE_ERR        128           /* Noise erorr flag bit      */
#define IDLE_ERR         256           /* Idle character flag bit   */
#define BREAK_ERR        512           /* Break detect              */

static word SerFlag;                   /* Flags for serial communication */
                                       /* Bits: 0 - OverRun error */
                                       /*       1 - Framing error */
                                       /*       2 - Parity error */
                                       /*       3 - Char in RX buffer */
                                       /*       4 - Full TX buffer */
                                       /*       5 - Running int from TX */
                                       /*       6 - Full RX buffer */
                                       /*       7 - Noise error */
                                       /*       8 - Idle character  */
                                       /*       9 - Break detected  */
                                       /*      10 - Unused */
                                       /*      11 - Unused */
static word ErrFlag;                   /* Error flags mirror of SerFlag */
static Inhr1_TComData BufferRead;      /* Input char for SCI commmunication */

/*
** ===================================================================
**     Method      :  HWEnDi (bean AsynchroSerial)
**
**     Description :
**         Enables or disables the peripheral(s) associated with the bean.
**         The method is called automatically as a part of the Enable and 
**         Disable methods and several internal methods.
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
static void HWEnDi(void)
{
  getReg(SCI0_SCISR);                  /* Reset interrupt request flags */
  setRegBits(SCI0_SCICR, (SCI0_SCICR_TE_MASK | SCI0_SCICR_RE_MASK | SCI0_SCICR_RFIE_MASK | SCI0_SCICR_REIE_MASK)); /* Enable device */
}

/*
** ===================================================================
**     Method      :  Inhr1_RecvChar (bean AsynchroSerial)
**
**     Description :
**         If any data is received, this method returns one
**         character, otherwise it returns an error code (it does
**         not wait for data). This method is enabled only if the
**         receiver property is enabled. 
**         DMA mode:
**         If DMA controller is available on the selected CPU and
**         the receiver is configured to use DMA controller then
**         this method only sets the selected DMA channel. Then the
**         status of the DMA transfer can be checked using
**         GetCharsInRxBuf method. See an example of a typical usage
**         for details about the communication using DMA.
**     Parameters  :
**         NAME            - DESCRIPTION
**       * Chr             - Pointer to a received character
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_SPEED - This device does not work in
**                           the active speed mode
**                           ERR_RXEMPTY - No data in receiver
**                           ERR_BREAK - Break character is detected(only when <Interrupt service> property
**                           is disabled)
**                           ERR_COMMON - common error occurred (the
**                           GetError method can be used for error
**                           specification)
**                           DMA mode:
**                           If DMA controller is available on the
**                           selected CPU and the receiver is
**                           configured to use DMA controller then
**                           only ERR_OK, ERR_RXEMPTY, and ERR_SPEED
**                           error code can be returned from this
**                           method.
** ===================================================================
*/
byte Inhr1_RecvChar(Inhr1_TComData *Chr)
{
  register byte Result = ERR_OK;       /* Return error code */

  if (!(SerFlag & CHAR_IN_RX))         /* Is any char in RX buffer? */
    return ERR_RXEMPTY;                /* If no then error */
  EnterCritical();                     /* Disable global interrupts */
  *Chr = BufferRead;                   /* Received char */
  Result = (byte)((SerFlag & (OVERRUN_ERR|FRAMING_ERR|PARITY_ERR|NOISE_ERR))?ERR_COMMON:ERR_OK);
  SerFlag &= ~(OVERRUN_ERR|FRAMING_ERR|PARITY_ERR|NOISE_ERR|CHAR_IN_RX); /* Clear all errors in the status variable */
  ExitCritical();                      /* Enable global interrupts */
  return Result;                       /* Return error code */
}

/*
** ===================================================================
**     Method      :  Inhr1_SendChar (bean AsynchroSerial)
**
**     Description :
**         Sends one character to the channel. If the bean is
**         temporarily disabled (Disable method) SendChar method
**         only stores data into an output buffer. In case of a zero
**         output buffer size, only one character can be stored.
**         Enabling the bean (Enable method) starts the transmission
**         of the stored data. This method is available only if the
**         transmitter property is enabled.
**         DMA mode:
**         If DMA controller is available on the selected CPU and
**         the transmitter is configured to use DMA controller then
**         this method only sets selected DMA channel. Then the
**         status of the DMA transfer can be checked using
**         GetCharsInTxBuf method. See an example of a typical usage
**         for details about communication using DMA.
**     Parameters  :
**         NAME            - DESCRIPTION
**         Chr             - Character to send
**     Returns     :