// Emisar 2-channel generic w/ tint ramping // Copyright (C) 2021-2023 Selene ToyKeeper // SPDX-License-Identifier: GPL-3.0-or-later #pragma once /* * Pin / Name / Function * 1 PA6 ch2 LED PWM (linear) (PWM1B) * 2 PA5 R: red aux LED (PWM0B) * 3 PA4 G: green aux LED * 4 PA3 B: blue aux LED * 5 PA2 button LED * 6 PA1 Opamp 2 enable (channel 2 LEDs) * 7 PA0 Opamp 1 enable (channel 1 LEDs) * 8 GND GND * 9 VCC VCC * 10 PC5 (none) * 11 PC4 (none) * 12 PC3 RESET * 13 PC2 (none) * 14 PC1 SCK * 15 PC0 [unused: ch1 LED PWM (FET) (PWM0A, 8-bit)] * 16 PB3 ch1 LED PWM (linear) (PWM1A) * 17 PB2 MISO * 18 PB1 MOSI / battery voltage (ADC6) * 19 PB0 (none) * 20 PA7 e-switch (PCINT7) * ADC12 thermal sensor */ #define ATTINY 1634 #include #define HWDEF_C_FILE hwdef-emisar-2ch.c // allow using aux LEDs as extra channel modes #include "chan-rgbaux.h" // channel modes: // * 0. channel 1 only // * 1. channel 2 only // * 2. both channels, tied together // * 3. both channels, manual blend, max 200% power? // * 4. both channels, auto blend, reversible #define NUM_CHANNEL_MODES (5 + NUM_RGB_AUX_CHANNEL_MODES) enum channel_modes_e { CM_CH1 = 0, CM_CH2, CM_BOTH, CM_BLEND, CM_AUTO, RGB_AUX_ENUMS }; // right-most bit first, modes are in fedcba9876543210 order #define CHANNEL_MODES_ENABLED 0b0000000000011111 #define USE_CHANNEL_MODE_ARGS // _, _, _, 128=middle CCT, 0=warm-to-cool #define CHANNEL_MODE_ARGS 0,0,0,128,0,RGB_AUX_CM_ARGS // can use some of the common handlers #define USE_CALC_2CH_BLEND #define PWM_CHANNELS 1 // old, remove this #define PWM_BITS 16 // 0 to 16383 at variable Hz, not 0 to 255 at 16 kHz #define PWM_GET PWM_GET16 #define PWM_DATATYPE uint16_t #define PWM_DATATYPE2 uint32_t // only needs 32-bit if ramp values go over 255 #define PWM1_DATATYPE uint16_t // regular ramp table #define PWM2_DATATYPE uint16_t // max "200% power" ramp table //#define PWM3_DATATYPE uint8_t // DD FET ramp table (8-bit only) // PWM parameters of both channels are tied together because they share a counter #define PWM_TOP ICR1 // holds the TOP value for for variable-resolution PWM #define PWM_TOP_INIT 511 // highest value used in top half of ramp #define PWM_CNT TCNT1 // for dynamic PWM, reset phase #define CH1_PIN PB3 // pin 16, Opamp reference #define CH1_PWM OCR1A // OCR1A is the output compare register for PB3 #define CH1_ENABLE_PIN PA0 // pin 7, Opamp power #define CH1_ENABLE_PORT PORTA // control port for PA0 #define CH2_PIN PA6 // pin 1, 2nd LED Opamp reference #define CH2_PWM OCR1B // OCR1B is the output compare register for PA6 #define CH2_ENABLE_PIN PA1 // pin 6, Opamp power #define CH2_ENABLE_PORT PORTA // control port for PA1 //#define CH3_PIN PC0 // pin 15, DD FET PWM //#define CH3_LVL OCR0A // OCR0A is the output compare register for PC0 // e-switch #ifndef SWITCH_PIN #define SWITCH_PIN PA7 // pin 20 #define SWITCH_PCINT PCINT7 // pin 20 pin change interrupt #define SWITCH_PCIE PCIE0 // PCIE1 is for PCINT[7:0] #define SWITCH_PCMSK PCMSK0 // PCMSK1 is for PCINT[7:0] #define SWITCH_PORT PINA // PINA or PINB or PINC #define SWITCH_PUE PUEA // pullup group A #define PCINT_vect PCINT0_vect // ISR for PCINT[7:0] #endif #define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is flattened #define VOLTAGE_PIN PB1 // Pin 18 / PB1 / ADC6 // pin to ADC mappings are in DS table 19-4 #define VOLTAGE_ADC ADC6D // digital input disable pin for PB1 // DIDR0/DIDR1 mappings are in DS section 19.13.5, 19.13.6 #define VOLTAGE_ADC_DIDR DIDR1 // DIDR channel for ADC6D // DS tables 19-3, 19-4 // Bit 7 6 5 4 3 2 1 0 // REFS1 REFS0 REFEN ADC0EN MUX3 MUX2 MUX1 MUX0 // MUX[3:0] = 0, 1, 1, 0 for ADC6 / PB1 // divided by ... // REFS[1:0] = 1, 0 for internal 1.1V reference // other bits reserved #define ADMUX_VOLTAGE_DIVIDER 0b10000110 #define ADC_PRSCL 0x07 // clk/128 // Raw ADC readings at 4.4V and 2.2V // calibrate the voltage readout here // estimated / calculated values are: // (voltage - D1) * (R2/(R2+R1) * 1024 / 1.1) // D1, R1, R2 = 0, 330, 100 #ifndef ADC_44 //#define ADC_44 981 // raw value at 4.40V #define ADC_44 967 // manually tweaked so 4.16V will blink out 4.2 #endif #ifndef ADC_22 //#define ADC_22 489 // raw value at 2.20V #define ADC_22 482 // manually tweaked so 4.16V will blink out 4.2 #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 PA2 // pin 5 #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 inline void hwdef_setup() { // enable output ports //DDRC = (1 << CH3_PIN); DDRB = (1 << CH1_PIN); DDRA = (1 << CH2_PIN) | (1 << AUXLED_R_PIN) | (1 << AUXLED_G_PIN) | (1 << AUXLED_B_PIN) | (1 << BUTTON_LED_PIN) | (1 << CH1_ENABLE_PIN) | (1 << CH2_ENABLE_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 // Linear opamp PWM for both main and 2nd LEDs (10-bit) // WGM1[3:0]: 1,0,1,0: PWM, Phase Correct, adjustable (DS table 12-5) // CS1[2:0]: 0,0,1: clk/1 (No prescaling) (DS table 12-6) // COM1A[1:0]: 1,0: PWM OC1A in the normal direction (DS table 12-4) // COM1B[1:0]: 1,0: PWM OC1B in the normal direction (DS table 12-4) TCCR1A = (1<