dpswtch8.h

TQ公司的STK16x开发系统的源码

/* File: DPSWTCH4.H */

/****************************************************************************
* 
* STK16X.DPSWTCH4
* ===============
*
* Low level routines for reading DIP switch state (digital input)
*
* TQ-Systems GmbH
* ----------------                                                         
* Customer: TQ-Components
* Project : STK16XSW
* Tools   : uVision 2.05
*
* Rev: Date:     Name:            Modification:
* ----+---------+----------------+------------------------------------------
* 100  19.01.01  A. Lichte        躡ernommen von STK16X.506
* 100  16.05.03  Volker Jung      changes for XC16x Controller
* 251  29.07.03  Volker Jung	  Anpassung an TQ_Select                 
*****************************************************************************/

#include "header.h"


/*==========================================================================*
* extern available definitions (#DEFINE):
*===========================================================================*/

/*--------------------------------------------------------------------------*
* DIP switch port:
*---------------------------------------------------------------------------*/
#define SW_DIR_IN    0           /* data direction register value: input   */

#define SW_1_DIR     DP2^0      /* data direction register: SW 1          */
#define SW_1         P2^0       /* data register:           SW 1          */

#define SW_2_DIR     DP2^1     /* data direction register: SW 2          */
#define SW_2         P2^1       /* data register:           SW 2          */

#define SW_3_DIR     DP2^2     /* data direction register: SW 3          */
#define SW_3         P2^2      /* data register:           SW 3          */

#define SW_4_DIR     DP2^3      /* data direction register: SW 4          */
#define SW_4         P2^3      /* data register:           SW 4          */

#define SW_5_DIR     DP2^8      /* data direction register: SW 5          */
#define SW_5         P2^8       /* data register:           SW 5          */

#define SW_6_DIR     DP2^9     /* data direction register: SW 6          */
#define SW_6         P2^9       /* data register:           SW 6         */

#define SW_7_DIR     DP2^10     /* data direction register: SW 7          */
#define SW_7         P2^10      /* data register:           SW 7          */

#define SW_8_DIR     DP2^11      /* data direction register: SW 8          */
#define SW_8         P2^11      /* data register:           SW 8          */

/*--------------------------------------------------------------------------*
* state of SWITCH:
*---------------------------------------------------------------------------*/
#define SW_ON        1           /* state of SWITCH: on                    */
#define SW_OFF       (!SW_ON)    /* state of SWITCH: off                   */


/*==========================================================================*
* extern available type definitions (TYPEDEF):
*===========================================================================*/

/*==========================================================================*
* extern available constants (CONST):
*===========================================================================*/

/*==========================================================================*
* globale extern available variables (EXTERN):
*===========================================================================*/

/*==========================================================================*
* extern available functions:
*===========================================================================*/

/*--------------------------------------------------------------------------*
* void dpswtch4_init()
*---------------------------------------------------------------------------*
* FT: init port 2 for reading DIP switch
* EP: -                                                        
* RW: -
* GP: SW_DIR_IN, sw_1_dir, sw_2_dir, sw_3_dir ,sw_4_dir
*---------------------------------------------------------------------------*/
void dpswtch4_init();

/*--------------------------------------------------------------------------*
* BYTE dpswtch4_read()
*---------------------------------------------------------------------------*
* FT: read state of DIP switch
* EP: -                                                        
* RW: state of DIP switch: SWITCH 1 = Bit 0
*                          SWITCH 2 = Bit 1
*                          SWITCH 3 = Bit 2
*                          SWITCH 4 = Bit 3
*                          SWITCH 5 = Bit 4
*                          SWITCH 6 = Bit 5
*                          SWITCH 7 = Bit 6
*                          SWITCH 8 = Bit 7
* GP: sw_1, sw_2, sw_3, sw_4, sw_5, sw_6, sw_7, sw_8
*---------------------------------------------------------------------------*/
BYTE dpswtch4_read();