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5b0f0cc134
Resource forks are included only for .rsrc files. These are DeRezzed into their data fork. 'ckid' resources, from the Projector VCS, are not included. The Tools directory, containing mostly junk, is also excluded.
178 lines
5.2 KiB
C
178 lines
5.2 KiB
C
/*
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File: cpu.c
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Contains: This file contains the hardware specific routines to control a PWM-based
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interface found on Asahi, TIM, DB-Lite.
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Written by: Andy Gong x6595
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Copyright: © 1991-1992 by Apple Computer, Inc. All rights reserved.
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This file is used in these builds: ROM
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Change History (most recent first):
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<SM1> 2/11/93 CSS Checked in from Horror.
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<1> 6/5/91 ag Moved data
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*/
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/*page*/
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/************************************/
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/*** INCLUDE FILES DECLARATIONS ***/
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#include <SysEqu.h>
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#include <types.h>
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#include <errors.h>
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#include "PowerMgr.h"
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#include "backlight.h"
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#define BACKLIGHT_POT_CHANNEL 0
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#define STATUS 0
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#define POWERBYTE 1
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#define TEMPBYTE 2
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/*page
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===================================================================================================
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== asahi software =================================================================================
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===================================================================================================
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*/
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/*page
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***************************************************************************************************
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*
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*
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***************************************************************************************************
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*/
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unsigned char PortableBacklightValue()
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{
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return(GetPortableValues(TEMPBYTE));
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};
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/*page
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===================================================================================================
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== TIM software ===================================================================================
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===================================================================================================
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*/
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OSErr InitTimControls(driverGlobalPtr globalPtr)
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{
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/* setup default values */
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if ((*JAWS_SPEED_FSTN_REG_PTR & JAWS_FSTN) == 0)
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globalPtr->dualTable = true; /* support high/low table */
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return(InitPWMControls(globalPtr));
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};
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/*page
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***************************************************************************************************
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*
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*
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***************************************************************************************************
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*/
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unsigned char PowerMgrPot()
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{
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return(Get_AtoD(BACKLIGHT_POT_CHANNEL));
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};
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/*page
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===================================================================================================
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== DB software ====================================================================================
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===================================================================================================
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*/
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/*page
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***************************************************************************************************
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*
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*
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***************************************************************************************************
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*/
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unsigned char PGE_button()
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{
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return(Get_PGEButton(BACKLIGHT_POT_CHANNEL));
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};
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/*page
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===================================================================================================
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== Dart software =================================================================================
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===================================================================================================
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*/
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extern setTableType BacklightTblDart;
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/*page
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***************************************************************************************************
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*
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* SetDart - <H8> backlight set routine for Dartanian with Ponti ACIC
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*
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*
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***************************************************************************************************
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*/
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int SetDart(int new,driverGlobalPtr globalPtr)
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{
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unsigned char newvalue;
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unsigned char oldvalue;
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PEG_TO_LIMITS(new, globalPtr->maximumTable[globalPtr->powerRange], globalPtr->settingTable->minimum); /* <H8> use new tables */ /* limit value to valid range */
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newvalue = globalPtr->settingTable->table[new]; /* shift bits into the correct position */
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if ((globalPtr->lastHWSetting) == newvalue) return (new);
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globalPtr->lastHWSetting = newvalue;
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newvalue <<= PONTILMPMUX0; /* shift bits into the correct position */
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oldvalue = PONTILMPCTLREG;
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oldvalue &= ~(0x03 << PONTILMPMUX0 | 0x01 << PONTILMPON); /* mask out lamp values */
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newvalue |= oldvalue; /* or in the other bits into the new value */
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if (new) newvalue |= (1 << PONTILMPON);
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PONTILMPCTLREG = newvalue;
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return (new);
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};
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/*page
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***************************************************************************************************
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*
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* GetDart - backlight get routine for Dartanian with Ponti ACIC
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*
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***************************************************************************************************
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*/
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int GetDart (driverGlobalPtr globalPtr)
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{
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int userinput;
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switch(globalPtr->powerRange)
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{
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case 1:
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case 2: userinput = 2; break;
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case 3: userinput = 1; break;
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case 4: userinput = 0; break;
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default: userinput = 3;
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};
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return(userinput);
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}
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OSErr InitDartControls(driverGlobalPtr globalPtr)
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{
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/* setup default values */
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PONTILMPCTLREG |= 0x01 << PONTILMPON; /* turn on backlight to enable sense bit */
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if (PONTILMPCTLREG & (0x01 << PONTILMPHWCTL)) /* check for hardare controls */
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{
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SetPWM(29,globalPtr); /* kludge for orca based units */
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globalPtr->setlevelproc = SetDart; /* proc to set level */
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globalPtr->userInputProc = GetDart; /* proc to read user input */
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};
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return(InitPWMControls(globalPtr));
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};
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