55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
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* @file iodefs.h
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* @brief Hardware pin assignments for the SBC firmware.
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*
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* Created: 21.09.2025 05:39:48
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* Author: ThePetrovich
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*
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* Copyright YKSA - Sakha Aerospace Systems, LLC.
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* See the LICENSE file for details.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef LSENSE_IODEFS_H
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#define LSENSE_IODEFS_H
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#include <avr/interrupt.h>
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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/* Detector signal path */
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#define DET_TRIG_PIN 21 /* PC7, event input */
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#define DET_READ_PIN A3 /* PD3 (ADC3) */
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#define DET_PREAMP_PIN A2 /* PD2 (ADC2) */
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/* Status indicator */
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#define STATUS_LED 31 /* PE1 */
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/* Power and reset control */
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#define HV_EN 16 /* PC2 */
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#define DET_EN 18 /* PC4 */
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#define DET_RST 20 /* PC6 */
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/* Housekeeping ADC inputs */
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#define V28V0_FB_PIN A0 /* PD0 (ADC0) */
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#define HV_TEMP_PIN A1 /* PD1 (ADC1) */
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#define AMP_TEMP_PIN A4 /* PD4 (ADC4) */
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#define DET_TEMP_PIN A5 /* PD5 (ADC5) */
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/* AD5160 digital potentiometer chip selects */
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#define HV_CS 15 /* PC1 */
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#define AMP_CS 17 /* PC3 */
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#define DET_CS 19 /* PC5 */
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/* Light sensor I2C bus pins (software-bitbanged) */
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#define SCL0 8 /* PB0 */
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#define SDA0 9 /* PB1 */
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#define SCL1 10 /* PB2 */
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#define SDA1 11 /* PB3 */
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#define SCL2 12 /* PB4 */
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#define SDA2 13 /* PB5 */
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#endif /* LSENSE_IODEFS_H */
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