csa_1int.asm

电容感应程序

;;*****************************************************************************
;;*****************************************************************************
;;  FILENAME: CSA_1INT.asm
;;   @Versions@
;;  Generated by PSoC Designer ver 4.3  b1884 : 23 June, 2006
;;
;;  DESCRIPTION: CSA_1 User Module ISR implementation file for the
;;               20x34 PSoC family of devices.
;;-----------------------------------------------------------------------------
;;  Copyright (c) Cypress Semiconductor 2000-2006. All Rights Reserved.
;;*****************************************************************************
;;*****************************************************************************

include "m8c.inc"
include "memory.inc"
include "CSA_1.inc"

MSB:   equ  0
LSB:   equ  1

;-----------------------------------------------
;  Global Symbols
;-----------------------------------------------

export _CSA_1_ISR

;-----------------------------------------------------------------------------
;  FUNCTION NAME: CSA_1_ISR
;
;  DESCRIPTION:
;  Interrupt Service Routine for the 16 bit counter in the CSA.  If the interrupt 
;  is enabled and the comparator trips or the counter reaches terminal count
;  the code execution will vector to this ISR.  
;
_CSA_1_ISR:
 
   push A
   push X

   RAM_CHANGE_PAGE_MODE FLAG_PGMODE_10b
   REG_PRESERVE IDX_PP
   RAM_SETPAGE_IDX >CSA_1_waSnsResult
   
   mov A, [CSA_1_bSensorNum]                                                   ; Get sensor index
   asl A
   mov X,A

   ; Store the data
   mov A, reg[CS_CNTL]
   mov [X+CSA_1_waSnsResult+LSB], A
   mov A, reg[CS_CNTH]
   mov [X+CSA_1_waSnsResult+MSB], A
   RAM_CHANGE_PAGE_MODE FLAG_PGMODE_00b
   and  [CSA_1_bfStatus], ~CSA_1_SCAN_ACTIVE                                   ; Clear scan active flag

.END_SCAN_ISR:

   ;@PSoC_UserCode_BODY_TERMINAL@ (Do not change this line.)
   ;---------------------------------------------------
   ; Insert your custom code below this banner
   ;---------------------------------------------------
   ;   NOTE: interrupt service routines must preserve
   ;   the values of the A and X CPU registers.

   ;---------------------------------------------------
   ; Insert your custom code above this banner
   ;---------------------------------------------------
   ;@PSoC_UserCode_END@ (Do not change this line.)
   
   REG_RESTORE IDX_PP

   pop    X
   pop    A
   reti
; End of File CSA_1INT.asm