LT1-360-8.h File Reference

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Defines
#define	EXTERN   extern
Functions
EXTERN void	changeSyncStatus (unsigned char)
	Change the accumulator mode to overflow every 5 inputs on PT0 making our 360 tooth wheel interrupt like a 72 tooth wheel.
Variables
EXTERN unsigned char	PrimaryTeethDuringHigh
EXTERN unsigned char	PrimaryTeethDuringLow
EXTERN unsigned char	isSynced

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Detailed Description

Definition in file LT1-360-8.h.

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Define Documentation

#define EXTERN   extern

Definition at line 47 of file LT1-360-8.h.

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Function Documentation

EXTERN void changeSyncStatus

(

unsigned char

synced

)

Change the accumulator mode to overflow every 5 inputs on PT0 making our 360 tooth wheel interrupt like a 72 tooth wheel.

PT0 Accumulator Mode

Todo:

TODO Decide if an explicit parameter is necessary if not use a existing status var instead for now it's explicit.

Todo:

TODO the register below does not exist and I couldn't figure out what you meant to do...

Definition at line 215 of file LT1-360-8.c.

References PACN0, PACTL, TCTL1, and TIOS.

Referenced by SecondaryRPMISR().

                                           {
    if (synced != 1) { /* disable accumulator counter, so an ISR is fired on all 360 teeth */
        PACTL = 0x00; /* disable PAEN and PBOIV */
        /*  (PACTL) 7   6    5     4     3    2    1    0
                      PAEN PAMOD PEDGE CLK1 CLK0 PAOVI PAI */
    }else{  /* enable accumulator so an ISR is only fired on every "5th tooth of the 360x track" */
//      TIOS = TIOS &  "0xCC0x83" WTF!?LOL!! 0x80;  /* PT7 input */
//      TCTL1 = TCTL1 &  "0xCC0x83" WTF!?LOL!! 0xC0; /* Disconnect IC/OC logic from PT7 */
        TIOS = TIOS & 0x80;  /* PT7 input */
        TCTL1 = TCTL1 & 0xC0; /* Disconnect IC/OC logic from PT7 */
        PACN0 = 0xFB ; /* Calculation, $00 – $05 = $FB. This will overflow in 5 more edges. */
        PACTL = 0x52; /* Enable PA in count mode, rising edge and interrupt on overflow  01010010 */
    }
}

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Variable Documentation

EXTERN unsigned char isSynced

Definition at line 56 of file LT1-360-8.h.

Referenced by PrimaryRPMISR(), and SecondaryRPMISR().

EXTERN unsigned char PrimaryTeethDuringHigh

Definition at line 54 of file LT1-360-8.h.

Referenced by PrimaryRPMISR(), and SecondaryRPMISR().

EXTERN unsigned char PrimaryTeethDuringLow

Definition at line 55 of file LT1-360-8.h.

Referenced by PrimaryRPMISR(), and SecondaryRPMISR().