/*
 * Copyright © 2010 Keith Packard <keithp@keithp.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 */

#ifndef _AO_PINS_H_
#define _AO_PINS_H_

#define HAS_RADIO	1

#define HAS_FLIGHT		1
#define HAS_USB			1
#define AO_VALUE_32		0

#define HAS_USB_PULLUP	1
#define AO_USB_PULLUP_PORT	P1
#define AO_USB_PULLUP_PIN	0
#define AO_USB_PULLUP		P1_0

#define AO_SMALL_ALTITUDE_TABLE	1

#define USB_FORCE_FLIGHT_IDLE	1
#define HAS_BEEP		1
#define HAS_BEEP_CONFIG		1
#define HAS_BATTERY_REPORT	1
#define HAS_GPS			0
#define HAS_SERIAL_1		0
#define HAS_EEPROM		1
#define HAS_LOG			1
#define USE_INTERNAL_FLASH	0
#define HAS_DBG			0
#define PACKET_HAS_SLAVE	1
#define HAS_RADIO_RATE		1
#define HAS_TELEMETRY		1
#define HAS_TASK_INFO		0

#define AO_LED_RED		2
#define LEDS_AVAILABLE		AO_LED_RED
#define HAS_EXTERNAL_TEMP	0
#define HAS_ACCEL		0
#define HAS_IGNITE		1
#define HAS_IGNITE_REPORT 1
#define HAS_MONITOR		0

/*
 * SPI
 */

#define HAS_SPI_0		1
#define SPI_0_ALT_1		1
#define HAS_SPI_1		1
#define SPI_1_ALT_2		1
#define SPI_CS_PORT		P1
#define SPI_CS_SEL		P1SEL
#define SPI_CS_DIR		P1DIR

/*
 * Flash
 */
#define AO_M25_SPI_BUS		1
#define AO_M25_SPI_CS_PORT	SPI_CS_PORT
#define AO_M25_SPI_CS_MASK	0x04	/* cs_flash is P1_2 */
#define M25_MAX_CHIPS		1

/*
 * MS5607
 */

#define HAS_MS5607		1
#define HAS_MS5611		0
#define AO_MS5607_PRIVATE_PINS	0
#define AO_MS5607_CS_PORT	P1
#define AO_MS5607_CS_PIN	3
#define AO_MS5607_CS		P1_3
#define AO_MS5607_CS_MASK	(1 << AO_MS5607_CS_PIN)
#define AO_MS5607_MISO_PORT	P0
#define AO_MS5607_MISO_PIN	2
#define AO_MS5607_MISO		P0_2
#define AO_MS5607_MISO_MASK	(1 << AO_MS5607_MISO_PIN)
#define AO_MS5607_SPI_INDEX	0
#define HAS_EXTI_0		1

/*
 * Igniters
 */
#define AO_IGNITER_PORT		P2
#define AO_IGNITER_DROGUE_PORT	AO_IGNITER_PORT
#define AO_IGNITER_DROGUE	P2_3
#define AO_IGNITER_MAIN		P2_4
#define AO_IGNITER_DIR		P2DIR
#define AO_IGNITER_DROGUE_BIT	(1 << 3)
#define AO_IGNITER_MAIN_BIT	(1 << 4)
#define AO_IGNITER_DROGUE_PIN	3
#define AO_IGNITER_MAIN_PIN	4

#define AO_IGNITER_DROGUE_PORT	AO_IGNITER_PORT
#define AO_IGNITER_MAIN_PORT	AO_IGNITER_PORT

/* test these values with real igniters */
#define AO_IGNITER_OPEN		1000
#define AO_IGNITER_CLOSED	7000
#define AO_IGNITER_FIRE_TIME	AO_MS_TO_TICKS(50)
#define AO_IGNITER_CHARGE_TIME	AO_MS_TO_TICKS(2000)

#define AO_SEND_MINI		AO_TELEMETRY_MINI2
#define AO_LOG_FORMAT		AO_LOG_FORMAT_TELEMINI2

/*
 * ADC
 */

#define HAS_ADC			1
#define AO_ADC_FIRST_PIN	0

struct ao_adc {
	int16_t		sense_a;	/* apogee continuity sense */
	int16_t		sense_m;	/* main continuity sense */
	int16_t		v_batt;		/* battery voltage */
};

#define ao_data_count	ao_adc_count

#define AO_SENSE_DROGUE(p)	((p)->adc.sense_a)
#define AO_SENSE_MAIN(p)	((p)->adc.sense_m)

#define AO_NUM_TASKS	10

#define AO_ADC_DUMP(p) \
	printf("tick: %5u apogee: %5d main: %5d batt: %5d\n", \
	       (p)->tick, (p)->adc.sense_a, (p)->adc.sense_m, (p)->adc.v_batt)

#define AO_ADC_PINS	((1 << 0) | (1 << 1) | (1 << 4))

#define FETCH_ADC() do {						\
		a = (uint8_t __xdata *) (&ao_data_ring[ao_data_head].adc); \
		switch (sequence) {					\
		case 4:							\
			a += 4;						\
			sequence = 0;					\
			break;						\
		case 1:							\
			a += 2;						\
			sequence = 4;					\
			break;						\
		case 0:							\
			sequence = 1;					\
			break;						\
		}							\
		a[0] = ADCL;						\
		a[1] = ADCH;						\
		if (sequence) {						\
			ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | sequence; \
			return;						\
		}							\
		AO_DATA_PRESENT(AO_DATA_ADC);				\
		if (ao_data_present != AO_DATA_ALL)			\
			return;						\
		ao_data_ring[ao_data_head].ms5607_raw.pres = ao_ms5607_current.pres; \
		ao_data_ring[ao_data_head].ms5607_raw.temp = ao_ms5607_current.temp; \
	} while (0)

/*
 * Voltage divider on ADC battery sampler
 */
#define AO_BATTERY_DIV_PLUS	100	/* 100k */
#define AO_BATTERY_DIV_MINUS	27	/* 27k */

/*
 * Voltage divider on ADC igniter samplers
 */
#define AO_IGNITE_DIV_PLUS	100	/* 100k */
#define AO_IGNITE_DIV_MINUS	27	/* 27k */

/*
 * ADC reference in decivolts
 */
#define AO_ADC_REFERENCE_DV	33

#endif /* _AO_PINS_H_ */