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// hwdef for Emisar D4v2 (attiny1634)
// Copyright (C) 2018 Selene ToyKeeper
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
/*
* Pin / Name / Function
* 1 PA6 FET PWM (PWM1B)
* 2 PA5 red aux LED (PWM0B)
* 3 PA4 green aux LED
* 4 PA3 blue aux LED
* 5 PA2 e-switch
* 6 PA1 button LED
* 7 PA0 (none)
* 8 GND GND
* 9 VCC VCC
* 10 PC5 (none)
* 11 PC4 (none)
* 12 PC3 RESET
* 13 PC2 (none)
* 14 PC1 SCK
* 15 PC0 (none) PWM0A
* 16 PB3 7135 PWM (PWM1A)
* 17 PB2 MISO
* 18 PB1 MOSI
* 19 PB0 (none)
* 20 PA7 (none)
* ADC12 thermal sensor
*/
#ifdef ATTINY
#undef ATTINY
#endif
#define ATTINY 1634
#include <avr/io.h>
// TODO: add aux red and aux blue as disabled channel modes,
// so they can be used for the police strobe?
#define NUM_CHANNEL_MODES 1
#define DEFAULT_CHANNEL_MODE 0
#define SET_LEVEL_MODES set_level_2ch_stacked
#define GRADUAL_TICK_MODES gradual_tick_2ch_stacked
// no special handlers needed, can use common handlers
#define USE_SET_LEVEL_2CH_STACKED
#define USE_GRADUAL_TICK_2CH_STACKED
#define PWM_CHANNELS 2
#define SWITCH_PIN PA2 // pin 5
#define SWITCH_PCINT PCINT2 // pin 5 pin change interrupt
#define SWITCH_PCIE PCIE0 // PCIE0 is for PCINT[7:0]
#define SWITCH_PCMSK PCMSK0 // PCMSK0 is for PCINT[7:0]
#define SWITCH_PORT PINA // PINA or PINB or PINC
#define LOW_PWM_PIN PB3 // pin 16, 1x7135 PWM
#define LOW_PWM_LVL OCR1A // OCR1A is the output compare register for PB3
#define PWM1_BITS 8
#define HIGH_PWM_PIN PA6 // pin 1, FET PWM
#define HIGH_PWM_LVL OCR1B // OCR1B is the output compare register for PB1
#define PWM2_BITS 8
// only using 8-bit on this light
#define PWM_GET PWM_GET8
#define PWM_DATATYPE uint8_t
#define ADC_PRSCL 0x07 // clk/128
// average drop across diode on this hardware
#ifndef VOLTAGE_FUDGE_FACTOR
#define VOLTAGE_FUDGE_FACTOR 4 // add 0.20V (measured 0.22V)
#endif
// this light has aux LEDs under the optic
#define AUXLED_R_PIN PA5 // pin 2
#define AUXLED_G_PIN PA4 // pin 3
#define AUXLED_B_PIN PA3 // pin 4
#define AUXLED_RGB_PORT PORTA // PORTA or PORTB or PORTC
#define AUXLED_RGB_DDR DDRA // DDRA or DDRB or DDRC
#define AUXLED_RGB_PUE PUEA // PUEA or PUEB or PUEC
#define BUTTON_LED_PIN PA1 // pin 6
#define BUTTON_LED_PORT PORTA // for all "PA" pins
#define BUTTON_LED_DDR DDRA // for all "PA" pins
#define BUTTON_LED_PUE PUEA // for all "PA" pins
// this light has three aux LED channels: R, G, B
#define USE_AUX_RGB_LEDS
// it also has an independent LED in the button
#define USE_BUTTON_LED
// the aux LEDs are front-facing, so turn them off while main LEDs are on
// TODO: the whole "indicator LED" thing needs to be refactored into
// "aux LED(s)" and "button LED(s)" since they work a bit differently
#ifdef USE_INDICATOR_LED_WHILE_RAMPING
#undef USE_INDICATOR_LED_WHILE_RAMPING
#endif
inline void hwdef_setup() {
// enable output ports
// 7135
DDRB = (1 << LOW_PWM_PIN);
// FET, aux R/G/B, button LED
DDRA = (1 << HIGH_PWM_PIN)
| (1 << AUXLED_R_PIN)
| (1 << AUXLED_G_PIN)
| (1 << AUXLED_B_PIN)
| (1 << BUTTON_LED_PIN)
;
// configure PWM
// Setup PWM. F_pwm = F_clkio / 2 / N / TOP, where N = prescale factor, TOP = top of counter
// pre-scale for timer: N = 1
TCCR1A = (0<<WGM11) | (1<<WGM10) // 8-bit (TOP=0xFF) (DS table 12-5)
| (1<<COM1A1) | (0<<COM1A0) // PWM 1A in normal direction (DS table 12-4)
| (1<<COM1B1) | (0<<COM1B0) // PWM 1B in normal direction (DS table 12-4)
;
TCCR1B = (0<<CS12) | (0<<CS11) | (1<<CS10) // clk/1 (no prescaling) (DS table 12-6)
| (0<<WGM13) | (0<<WGM12) // phase-correct PWM (DS table 12-5)
;
// set up e-switch
//PORTA = (1 << SWITCH_PIN); // TODO: configure PORTA / PORTB / PORTC?
PUEA = (1 << SWITCH_PIN); // pull-up for e-switch
SWITCH_PCMSK = (1 << SWITCH_PCINT); // enable pin change interrupt
}
#define LAYOUT_DEFINED
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