參數(shù)資料
型號: TAS3001EVM
廠商: Texas Instruments, Inc.
英文描述: TAS3001EVM(TAS3001評估板)
中文描述: TAS3001EVM(TAS3001評估板)
文件頁數(shù): 29/72頁
文件大?。?/td> 162K
代理商: TAS3001EVM
5-9
MSP430 Microcode Example
MOV
Trbl_Setpnt,Trbl_Pntr ;set treb pointer back to last
;manual setting
MOVTrbl_Pntr,Tbl_Pntr ;
CALL
#Loop
;call I2C send routine
CALL
#DELAY
JMP
MUTE_OFF
;jump to reset volume
SW4_FUNC
BIC.b #LED,&LED_OUT
CALL
#DELAY
BIC.b #SW4,&SW4_6IF
CMP
#370,Bass_Pntr
JEQ
SW4_TEST
SUB
#5,Bass_Pntr
MOV
Bass_Pntr,Bass_Setpnt ;bass set point = bass pointer
;tracks last manual bass setting
MOV
Bass_Pntr,Tbl_Pntr
;set table pointer = bass down data
CALL
#Loop
;call I2C send routine
SW4_TEST BIT.b #SW4,&P2IN
JZ
SW4_FUNC
BIS.b #LED,&LED_OUT
JMP
SW_DONE
SW5_EQ
BIT.b #SW5,&SW4_6IF
JZ
SW6_EQ
;turn LED on
;delay before checking switch again
;clear SW4 flag
;bass = minimum
;Yes - jump to SW4_test
;decrease pointer to lower setting
;SW4 still pressed
;YES (active low), decrease bass
;turn LED off
;jump to end of SW routine
;send EQ
;SW5 pressed
;NO, jump to next SW
CALL
BIT.b #SW6,&SW4_6IF
JNZ
TRBL_RST
BIT.b #LED,&LED_OUT
JNZ
SW5_FUNC
CALL #MUTE_ON
CALL #NOP9
MOV
#1211,Tbl_Pntr
CALL
#Loop
CALL
#DELAY0
MOV
Bass_Setpnt,Bass_Pntr ;set bass pointer back to last
;manual setting
MOV
Bass_Pntr,Tbl_Pntr
;
CALL
#Loop
;call I2C send routine
MOV
Trbl_Setpnt,Trbl_Pntr ;set treb pointer back to last
;manual setting
MOV
Trbl_Pntr,Tbl_Pntr
;
CALL
#Loop
;call I2C send routine
CALL
#DELAY
JMP
MUTE_OFF
;jump to reset volume
#DELAY2
;delay before checking SW6
;SW6 pressed also
;YES - jump to reset treble
;LED on (=shift mode)
;NO - jump SW5 function
;mute before sending EQ
;delay before sending EQ
;set table pointer to start of SW5 EQ
;jump to I2C send routine
SW5_FUNC
BIC.b #LED,&LED_OUT
CALL
#DELAY
BIC.b #SW5,&SW4_6IF
CMP
#555,Trbl_Pntr
JEQ
SW5_TEST
ADD
#5,Trbl_Pntr
MOV
Trbl_Pntr,Trbl_Setpnt ;treble set point = treble pointer
;turn LED on
;delay before checking switch again
;clear SW5 flag
;treble = maximum
;Yes - jump to SW5_test
;increase pointer to higher setting
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