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Diffstat (limited to 'hwdef-thefreeman-boost-fwaa-mp3432-hdr-dac-rgb.h')
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diff --git a/hwdef-thefreeman-boost-fwaa-mp3432-hdr-dac-rgb.h b/hwdef-thefreeman-boost-fwaa-mp3432-hdr-dac-rgb.h new file mode 100755 index 0000000..9126a1a --- /dev/null +++ b/hwdef-thefreeman-boost-fwaa-mp3432-hdr-dac-rgb.h @@ -0,0 +1,187 @@ +// hwdef for thefreeman's boost FWAA driver 1.1 w/ MP3432, HDR DAC, RGB aux +// Copyright (C) 2023 TBD (thefreeman), Selene ToyKeeper +// SPDX-License-Identifier: GPL-3.0-or-later +#pragma once + +/* thefreeman’s FWAA AA/li-ion Boost driver based on MP3432 and attiny1616 + * with high dynamic range and DAC control, AUX : RGB + * hardware versions : 1.0, 1.1 + * + * Pin / Name / Function + * 1 PA2 BattLVL (ADC0 - AIN2) + * 2 PA3 + * 3 GND GND + * 4 VCC VCC + * 5 PA4 BST EN: boost enable + * 6 PA5 HDR + * 7 PA6 DAC + * 8 PA7 + * 9 PB5 B: blue aux LED + * 10 PB4 G: green aux LED + * 11 PB3 R: red aux LED + * 12 PB2 IN- NFET + * 13 PB1 + * 14 PB0 + * 15 PC0 + * 16 PC1 + * 17 PC2 + * 18 PC3 e-switch + * 19 PA0 UDPI + * 20 PA1 + * + * BST EN enable the boost regulator and Op-Amp + * DAC sets the current, max current depends on Vset voltage divider and Rsense + * HDR FET switches between high value Rsense (low current range, pin low), + * and low value Rsense (high current range, pin high) + * IN- NFET : pull up after BST enable to eliminate startup flash, pull down otherwise + */ + +#define ATTINY 1616 +#include <avr/io.h> + +#define HWDEF_C_FILE hwdef-thefreeman-boost21-mp3431-hdr-dac-argb.c + +// allow using aux LEDs as extra channel modes +#include "chan-rgbaux.h" + +// channel modes: +// * 0. main LEDs +// * 1+. aux RGB +#define NUM_CHANNEL_MODES (1 + NUM_RGB_AUX_CHANNEL_MODES) +enum CHANNEL_MODES { + CM_MAIN = 0, + RGB_AUX_ENUMS +}; + +#define DEFAULT_CHANNEL_MODE CM_MAIN + +// right-most bit first, modes are in fedcba9876543210 order +#define CHANNEL_MODES_ENABLED 0b0000000000000001 + + +#define PWM_CHANNELS 1 // old, remove this + +#define PWM_BITS 8 // 8-bit DAC +#define PWM_GET PWM_GET8 +#define PWM_DATATYPE uint8_t +#define PWM_DATATYPE2 uint16_t // only needs 32-bit if ramp values go over 255 +#define PWM1_DATATYPE uint8_t // main LED ramp + +// main LED outputs +#define DAC_LVL DAC0.DATA // 0 to 255, for 0V to Vref +#define DAC_VREF VREF.CTRLA // 0.55V or 2.5V +#define PWM_TOP_INIT 255 // highest value used in top half of ramp (unused?) +// Vref values +#define V055 16 +#define V11 17 +#define V25 18 +#define V43 19 +#define V15 20 + +// BST enable +#define BST_ENABLE_PIN PIN4_bp +#define BST_ENABLE_PORT PORTA_OUT + +// HDR +// turns on HDR FET for the high current range +#define HDR_ENABLE_PIN PIN5_bp +#define HDR_ENABLE_PORT PORTA_OUT + +// IN- NFET +// pull high to force output to zero to eliminate the startup flash +#define IN_NFET_DELAY_TIME 4 // (ms) +#define IN_NFET_ENABLE_PIN PIN2_bp +#define IN_NFET_ENABLE_PORT PORTB_OUT + +// e-switch +#ifndef SWITCH_PIN +#define SWITCH_PIN PIN3_bp +#define SWITCH_PORT VPORTC.IN +#define SWITCH_ISC_REG PORTC.PIN3CTRL +#define SWITCH_VECT PORTC_PORT_vect +#define SWITCH_INTFLG VPORTC.INTFLAGS +#define SWITCH_PCINT PCINT0 +#define PCINT_vect PCINT0_vect +#endif + +// Voltage divider battLVL +#define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is regulated +#define DUAL_VOLTAGE_FLOOR 21 // for AA/14500 boost drivers, don't indicate low voltage if below this level +#define DUAL_VOLTAGE_LOW_LOW 7 // the lower voltage range's danger zone 0.7 volts (NiMH) +#define ADMUX_VOLTAGE_DIVIDER ADC_MUXPOS_AIN2_gc // which ADC channel to read + +// 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) +// Resistors are 330k and 100k +#ifndef ADC_44 +#define ADC_44 951 // raw value at 4.40V +#endif +#ifndef ADC_22 +#define ADC_22 476 // raw value at 2.20V +#endif + +// this driver allows for aux LEDs under the optic +#define AUXLED_R_PIN PIN3_bp +#define AUXLED_G_PIN PIN4_bp +#define AUXLED_B_PIN PIN5_bp +#define AUXLED_RGB_PORT PORTB // PORTA or PORTB or PORTC + +// this light has three aux LED channels: R, G, B +#define USE_AUX_RGB_LEDS + + +inline void hwdef_setup() { + + // TODO: for this DAC controlled-light, try to decrease the clock speed or use the ULP + // set up the system clock to run at 10 MHz to match other attiny1616 lights + _PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, + CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm ); + + VPORTA.DIR = PIN4_bm // BST EN + | PIN5_bm // HDR + | PIN6_bm; // DAC + VPORTB.DIR = PIN2_bm // IN- NFET + | PIN3_bm // R + | PIN4_bm // G + | PIN5_bm; // B + //VPORTC.DIR = PIN0_bm | PIN1_bm; + + // enable pullups on the input pins to reduce power + PORTA.PIN0CTRL = PORT_PULLUPEN_bm; + PORTA.PIN1CTRL = PORT_PULLUPEN_bm; + //PORTA.PIN2CTRL = PORT_PULLUPEN_bm; // BattLVL + PORTA.PIN3CTRL = PORT_PULLUPEN_bm; + //PORTA.PIN4CTRL = PORT_PULLUPEN_bm; // EN + //PORTA.PIN5CTRL = PORT_PULLUPEN_bm; // HDR + //PORTA.PIN6CTRL = PORT_PULLUPEN_bm; // DAC + PORTA.PIN7CTRL = PORT_PULLUPEN_bm; + + PORTB.PIN0CTRL = PORT_PULLUPEN_bm; + PORTB.PIN1CTRL = PORT_PULLUPEN_bm; + //PORTB.PIN2CTRL = PORT_PULLUPEN_bm; // IN- NFET + //PORTB.PIN3CTRL = PORT_PULLUPEN_bm; // R + //PORTB.PIN4CTRL = PORT_PULLUPEN_bm; // G + //PORTB.PIN5CTRL = PORT_PULLUPEN_bm; // B + + PORTC.PIN0CTRL = PORT_PULLUPEN_bm; + PORTC.PIN1CTRL = PORT_PULLUPEN_bm; + PORTC.PIN2CTRL = PORT_PULLUPEN_bm; + PORTC.PIN3CTRL = PORT_PULLUPEN_bm + | PORT_ISC_BOTHEDGES_gc; // e-switch + + // set up the DAC + // https://ww1.microchip.com/downloads/en/DeviceDoc/ATtiny1614-16-17-DataSheet-DS40002204A.pdf + // DAC ranges from 0V to (255 * Vref) / 256 + // also VREF_DAC0REFSEL_0V55_gc and VREF_DAC0REFSEL_1V1_gc and VREF_DAC0REFSEL_2V5_gc + VREF.CTRLA |= VREF_DAC0REFSEL_2V5_gc; + VREF.CTRLB |= VREF_DAC0REFEN_bm; + DAC0.CTRLA = DAC_ENABLE_bm | DAC_OUTEN_bm; + DAC0.DATA = 255; // set the output voltage + +} + + +#define LAYOUT_DEFINED + |