switch1.c

TQ公司的STK16x开发系统的源码

/* File: Switch1.C */

/****************************************************************************
* 
* STK16XSW.SWITCH4.MAIN
* =====================
*
* main function for STK16xU DIP switch demo,
* reads DIP switch and transfers the state of the switches to the Terminal;
* each switch also turns a LED on or off.
*
* TQ-Systems GmbH
* ----------------                                                         
* Customer: TQ-Components
* Project : STK16XSW
* Tools   : uVision 2.05
*
* Rev: Date:     Name:            Modification:
* ----+---------+----------------+------------------------------------------
* 100  10.12.01  K. Z鰌f        taken over from STK16XU.200                
*****************************************************************************/

/****************************************************************************
*
*                             availability summary
*
* available for Starterkit:  STK16xU 
* conformed for Starterkit:  STK16xU 
* available for Module     : TQM161US
*                           
* conformed for Module     : TQM161US
*                           
*****************************************************************************/

//#pragma MEDIUM
// Setting the Programm Area into the fast-RAM Area at 0x380000 - 0x3FFFFF
#pragma RENAMECLASS (FCODE=FCD_F)


/*==========================================================================*
* include files (#INCLUDE):
*===========================================================================*/

/*--------------------------------------------------------------------------*
* Standard-Include-Files: 
*---------------------------------------------------------------------------*/

#include <stdio.h>
#include <ctype.h>   /* Typecast functions        */
#include <string.h>  /* String functions          */
#include <setjmp.h>  /* Global jump functions     */

/*--------------------------------------------------------------------------*
* Hardware- and Compiler-spezifische Include-Files: 
*---------------------------------------------------------------------------*/

#include <absacc.h>  /* absolute accesss          */
#include <intrins.h> /* Intrinsic functions       */
#include <reg167.h>  /* Special function register */


/*--------------------------------------------------------------------------*
* project specific include files:
*---------------------------------------------------------------------------*/
#include "timer.h"
#include "led.h"
#include "dpswtch1.h"             /* switch function               */

/*==========================================================================*
* module internal definitions (#DEFINE):
*===========================================================================*/

/* control character: */

#define BK    0x03
#define BS    0x08
#define CR    0x0D
#define LF    0x0A
#define XON   0x11
#define XOFF  0x13

/* baudrate definition */
#define BR9600  0
#define BR19200 1
#define BR38400 2
#define BR57600 3

/* appropriated Baudrate */
#define USED_BAUDRATE BR57600

/* control-bits serial interface: */
sbit P3_8   = P3^8;
sbit P3_10  = P3^10;
sbit DP3_8  = DP3^8;
sbit DP3_9  = DP3^9;
sbit DP3_10 = DP3^10;
sbit DP3_11 = DP3^11;

/* to initialize Asynchrone serial Interface ASC0 : */

void initasc()
{
  /* Reload-Values for 9600, 19200, 38400 und 57600 Baud: */
  const int br[4] = { 0x74, 0x3A, 0x1C, 0x13 }; 

  int  n;   /* Number of Baudrate  */
  n = USED_BAUDRATE;
  /* to initialize data reception over interface: */
  P3_10  =1;                   /* P3.10-Output-Latch (TxD0) enable    */
  DP3_10 =1;                   /* P3.10 (TxD0) switch to output       */
  DP3_11 =0;                   /* switch RxD0 to input                */
  S0TIC  =0x80;                /* Transmit-Interrupt disable          */
  S0RIC  =0x00;                /* Receive-Interrupt disable           */
  if (!S0CON)                  /* init Bautrate in case the           */
                               /* Baudrate is not initialized         */                                                                      
  {							   /* Wegen Unterschiedlichen Baudraten   */
    S0BG   =br[n];             /* initialize Baudrate                 */
    S0CON  =0x8011;            /* start up Baudrate-Generator ,       */
  }                            /* activate receiving Data  ,          */
                               /* 8-Datenbits, no Parit鋞sbit         */
  IEN    = 1;                  /* to enable global Interrupt          */
}

/*==========================================================================*
* module internal type declarations (TYPEDEF):
*===========================================================================*/

/*==========================================================================*
* module internal constants (CONST):
*===========================================================================*/

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

/*==========================================================================*
* modul internal variables:
*===========================================================================*/

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

/*==========================================================================*
* modul internal functions:
*===========================================================================*/

/*--------------------------------------------------------------------------*
* void set_leds(void)
*---------------------------------------------------------------------------*
* FT: show state of SWITCH with LEDs
* EP: -
* RV: -
* GP: -
*---------------------------------------------------------------------------*/ 

void set_leds(BYTE inputs)
{
  led_idle();                         /* make LED to be blinking (to be)  */
                                      /*     called as often as possible) */


  if ((inputs & 0x01) != 0)            /* SWITCH 1: turn LED 2 on/off     */
    led_set(1, LED_BLINK);
  else
    led_set(1, LED_OFF);
}

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

/*--------------------------------------------------------------------------*
* void main(void)
*---------------------------------------------------------------------------*
* FT: read analog input-channel and write value to LCD
*     show value as LED-bar
* EP: -
* RV: -
* GP: -
*---------------------------------------------------------------------------*/ 
void main(void)
{ int           i; 
  BYTE          sw_inputs, sw_inputs_old;/* state of DIP-SWITCH             */
  TIMER_COUNTER t_base;
  BOOL          blink_state;

  timer_init(NULL);                    /* init timer modul                */
  led_init();                          /* init LED control                */
  initasc();
 
 printf("DIP-switch demo");
  /* start-up LED demo: */
  for (i=0; i<=LED_MAX; i++)
  {
    led_set(i, LED_ON);
    timer_delay_10ms(5);
  }
  for (i=0; i<=LED_MAX; i++)
  {
    led_set(i, LED_OFF);
    timer_delay_10ms(5);
  }

  dpswtch4_init();                     /* init DIP-SWITCH input            */
                                       /* overwrites LED control lines of  */
                                       /* LED 12 .. LED 15 (=> now inputs) */
  /* wait for switch to be changed: */
 printf("\n\nSet the Dip-switch 1!");
  sw_inputs = dpswtch4_read();         /* read DIP switch                 */
  blink_state = TRUE;
  t_base = timer_get_10ms(TIMER_MIN);
  while(sw_inputs == dpswtch4_read())


    sw_inputs_old = 0xFF;               /* init variable                  */
  /* endless main loop: */
  while(1)
  {
    sw_inputs = dpswtch4_read();       /* read DIP switch                  */
    if (sw_inputs_old != sw_inputs)    /* changes from Dip switch */
	{
       printf("\nState of switch: %d", (sw_inputs & 0x01));   /*  SWITCH 1  */ 
       
	}
    sw_inputs_old = sw_inputs;

   set_leds(sw_inputs);               /* show state of SWITCH with LEDs   */
  }
}