📄 i2chwrsrcinits.lis
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export _I2CHW_EnableSlave
export I2CHW_EnableMstr
export _I2CHW_EnableMstr
export I2CHW_Start
export _I2CHW_Start
export I2CHW_DisableInt
export _I2CHW_DisableInt
export I2CHW_DisableSlave
export _I2CHW_DisableSlave
export I2CHW_DisableMstr
export _I2CHW_DisableMstr
export I2CHW_Stop
export _I2CHW_Stop
AREA UserModules (ROM, REL)
0000 .SECTION
0000
0000 ;-----------------------------------------------------------------------------
0000 ; FUNCTION NAME: I2CHW_Start
0000 ;
0000 ; DESCRIPTION:
0000 ; Initialize the I2CHW I2C bus interface.
0000 ;
0000 ;-----------------------------------------------------------------------------
0000 ;
0000 ; ARGUMENTS:
0000 ;
0000 ; RETURNS: none
0000 ;
0000 ; SIDE EFFECTS:
0000 ; The A and X registers may be modified by this or future implementations
0000 ; of this function. The same is true for all RAM page pointer registers in
0000 ; the Large Memory Model. When necessary, it is the calling function's
0000 ; responsibility to perserve their values across calls to fastcall16
0000 ; functions.
0000 ;
0000 I2CHW_Start:
0000 _I2CHW_Start:
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_1 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_1
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_2 )
IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
or F, FLAG_PGMODE_01b
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF
ENDIF ; RAM_USE_CLASS_2
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_3 )
IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_01b
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF
ENDIF ; RAM_USE_CLASS_3
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_4 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_4
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_1 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_1
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_2 )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_11b
ENDIF
ENDIF ; PGMODE LOCKED
IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_10b
ENDIF
ENDIF ; PGMODE FREE
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF ; RAM_USE_CLASS_2
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_3 )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_11b
ENDIF
ENDIF ; PGMODE LOCKED
IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_10b
ENDIF
ENDIF ; PGMODE FREE
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF ; RAM_USE_CLASS_3
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_4 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_4
0000 7F ret
0001 .ENDSECTION
0001
0001 .SECTION
0001 ;-----------------------------------------------------------------------------
0001 ; FUNCTION NAME: I2CHW_EnableInt
0001 ;
0001 ; DESCRIPTION:
0001 ; Enables SDA interrupt allowing start condition detection. Remember to call the
0001 ; global interrupt enable function by using the macro: M8C_EnableGInt.
0001 ;
0001 ;-----------------------------------------------------------------------------
0001 ;
0001 ; ARGUMENTS: none
0001 ;
0001 ; RETURNS: none
0001 ;
0001 ; SIDE EFFECTS:
0001 ; The A and X registers may be modified by this or future implementations
0001 ; of this function. The same is true for all RAM page pointer registers in
0001 ; the Large Memory Model. When necessary, it is the calling function's
0001 ; responsibility to perserve their values across calls to fastcall16
0001 ; functions.
0001 ;
0001 I2CHW_EnableInt:
0001 _I2CHW_EnableInt:
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_1 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_1
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_2 )
IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
or F, FLAG_PGMODE_01b
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF
ENDIF ; RAM_USE_CLASS_2
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_3 )
IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_01b
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF
ENDIF ; RAM_USE_CLASS_3
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_4 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_4
;first clear any pending interrupts
0001 08 push A
0002 5DDD mov A, reg[INT_CLR3]
0004 21FE and A, ~I2CHW_INT_MASK
0006 60DD mov reg[INT_CLR3], A
0008 43DE01 or reg[I2CHW_INT_REG], I2CHW_INT_MASK ; enable specified interrupt enable bit
000B 18 pop A
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_1 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_1
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_2 )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_11b
ENDIF
ENDIF ; PGMODE LOCKED
IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_10b
ENDIF
ENDIF ; PGMODE FREE
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF ; RAM_USE_CLASS_2
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_3 )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
IF ( SYSTEM_IDXPG_TRACKS_STK_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_11b
ENDIF
ENDIF ; PGMODE LOCKED
IF ( SYSTEM_IDXPG_TRACKS_IDX_PP )
IF ( SYSTEM_LARGE_MEMORY_MODEL )
and F, ~FLAG_PGMODE_MASK ; NOTE: transition thru 00b state
or F, FLAG_PGMODE_MASK & FLAG_PGMODE_10b
ENDIF
ENDIF ; PGMODE FREE
ENDIF ; SYSTEM_LARGE_MEMORY_MODEL
ENDIF ; RAM_USE_CLASS_3
IF ( RAM_USE_CLASS_1 & RAM_USE_CLASS_4 )
; Nothing to do
ENDIF ; RAM_USE_CLASS_4
000C 7F ret
000D
000D .ENDSECTION
000D
000D .SECTION
000D ;-----------------------------------------------------------------------------
000D ; FUNCTION NAME: I2CHW_EnableMstr
000D ;
000D ; DESCRIPTION:
000D ; Enables SDA interrupt allowing start condition detection. Remember to call the
000D ; ⌨️ 快捷键说明
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