/* $Id: firm.h,v 1.19 2004/03/31 08:18:31 jmuelmen Exp $ */

#ifndef _FIRM_INC
#define _FIRM_INC

#include "types.h"

/*
 * USB descriptor types
 */
#define USB_DT_DEVICE			0x01
#define USB_DT_CONFIG			0x02
#define USB_DT_STRING			0x03
#define USB_DT_INTERFACE		0x04
#define USB_DT_ENDPOINT			0x05

#define USB_DT_HID			0x21
#define USB_DT_REPORT			0x22
#define USB_DT_PHYSICAL			0x23
#define USB_DT_HUB			0x29


/* mapping for the setup packet */
struct setup_dat {
      Byte bmRequestType;
      Byte bRequest;
      Byte wValueL;
      Byte wValueH;
      Byte wIndexL;
      Byte wIndexH;
      Byte wLengthL;
      Byte wLengthH;
};

typedef struct setup_dat setup_dat;


void usb_isr (void) interrupt 8 using 1 critical;
byte rev_lookup (signed int, byte);

/* define some useful addresses */
#define ADC1ADDR 0x31
#define ADC2ADDR 0x33

#define RDACADDR(n)	(0x2c + (n))

#define ADCANLVH(n)	(ADC(40 + 2 * ((n) - 1)))
#define ADCANLVL(n)	(ADC(41 + 2 * ((n) - 1)))

#define ADCDIGVH(n)	(ADC(24 + 2 * ((n) - 1)))
#define ADCDIGVL(n)	(ADC(25 + 2 * ((n) - 1)))

#define ADCGNDVH(n)	(ADC(8 + 2 * ((n) - 1)))
#define ADCGNDVL(n)	(ADC(9 + 2 * ((n) - 1)))

#define ADCANLIH(n)	(ADC(32 + 2 * ((n) - 1)))
#define ADCANLIL(n)	(ADC(33 + 2 * ((n) - 1)))

#define ADCDIGIH(n)	(ADC(16 + 2 * ((n) - 1)))
#define ADCDIGIL(n)	(ADC(17 + 2 * ((n) - 1)))

#define ADCTEMPH(n)	(ADC(2 * ((n) - 1)))
#define ADCTEMPL(n)	(ADC(1 + 2 * ((n) - 1)))

/* error signal */
#define ERROR(e,m)	/*  OUTC &= ~0x08 */ FLASH 
#define SELECT(x) 	OUTB = (OUTB & 0x3f) | x << 6
#define SLEEP		{ register int c = IDLE_COUNT_RELOAD; \
			  while (c--); }
#define FLASH 		OUTC &= ~0x08; SLEEP; OUTC |= 0x08

#define I2CFAIL(x)	(!((x).cs & 0x02))
/* reload count for IDLE situations */
#define IDLE_COUNT_RELOAD ((1 << 15) - 1)

#define NRESET		0x01;
#define ENSING		0x08;

#define ABS(x)		((x) > 0 ? (x) : -(x))

#define VTOL_DIG	(signed int)0x0080
#define VTOL_ANL	(signed int)0x0040

#define LOOKUP(adc,chn)	_vtable[((chn) << 8) + (adc)]

#endif /*  _FIRM_INC */