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MCP402XEV датащи(PDF) 39 Page - Microchip Technology |
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MCP402XEV датащи(HTML) 39 Page - Microchip Technology |
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39 / 46 page ![]() 00066_MCP402XEV.ASM Source Code © 2005 Microchip Technology Inc. DS51546B-page 35 HV_DecrExit clrwdt call GPIO_TestUP ; make GP1/INCR/UD an input (w/pu enabled) movlw .10 call VAR1000TcyDELAY ; add a 10mS delay for settling time btfss UP ; if UP gets released, exit goto HV_DecrExit call GPIO_TestDOWN ; make GP0/DECR/CS an input (w/pu enabled) movlw .10 call VAR1000TcyDELAY ; add a 10mS delay for settling time btfss DOWN ; if DOWN gets released, exit goto HV_DecrExit clrf State retlw .6 State7 State8 State9 State10 State11 ; HV Increment w/o WL call InitGPIO ; make GP0/DECR/CS & GP1/INCR/UD outputs, block undesired U/D commands movlw .1 call HV_Increment_WL_Disable clrf State retlw .11 State12 ; HV Increment w/o WL call InitGPIO ; make GP0/DECR/CS & GP1/INCR/UD outputs, block undesired U/D commands movlw .1 call HV_Decrement_WL_Disable clrf State retlw .12 State13 ; HV Decrement w/WL call InitGPIO ; make GP0/DECR/CS & GP1/INCR/UD outputs, block undesired U/D commands call HV_Increment_WL_Enable clrf State retlw .13 State14 ; HV Decrement w/WL call InitGPIO ; make GP0/DECR/CS & GP1/INCR/UD outputs, block undesired U/D commands call HV_Decrement_WL_Enable clrf State retlw .14 State15 goto StateMachineReset ;*********************************************************************************************** ; Low Power Mode ;*********************************************************************************************** LowPowerMode movlw b’11111000’ ; make all I/O pins an output tris GPIO movlw b’11111111’ movwf GPIO ; output high movlw b’10011111’ ; disable Wake-Up on Pin Change, ; enable weak pullups for button inputs ; T0CS must be 0 for GP2 TRIS to be active ; set up for 2.3ms WDT option sleep ; put into lowest power setting goto Start ; shouldn’t get here SUBS CODE TABLE E-1: 00066_MCP402XEV.ASM SOURCE CODE (CONTINUED) |
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