diff options
Diffstat (limited to 'hw/sofirn/blf-lt1-t1616')
| -rw-r--r-- | hw/sofirn/blf-lt1-t1616/cfg.h | 110 | ||||
| -rw-r--r-- | hw/sofirn/blf-lt1-t1616/hwdef.c | 210 | ||||
| -rw-r--r-- | hw/sofirn/blf-lt1-t1616/hwdef.h | 161 |
3 files changed, 481 insertions, 0 deletions
diff --git a/hw/sofirn/blf-lt1-t1616/cfg.h b/hw/sofirn/blf-lt1-t1616/cfg.h new file mode 100644 index 0000000..fc02619 --- /dev/null +++ b/hw/sofirn/blf-lt1-t1616/cfg.h @@ -0,0 +1,110 @@ +// BLF Lantern config options for Anduril using the Attiny1616 +// Copyright (C) 2021-2023 (original author TBD), Selene ToyKeeper +// SPDX-License-Identifier: GPL-3.0-or-later +#pragma once + +#define MODEL_NUMBER "0622" +#include "hwdef-blf-lt1-t1616.h" +// ATTINY: 1616 + +// the button lights up +#define USE_INDICATOR_LED +// the button is visible while main LEDs are on +#define USE_INDICATOR_LED_WHILE_RAMPING +// off mode: low (1) +// lockout: blinking (3) +#define INDICATOR_LED_DEFAULT_MODE ((3<<2) + 1) + +// channel modes... +// CM_CH1, CM_CH2, CM_BOTH, CM_BLEND, CM_AUTO +#define DEFAULT_CHANNEL_MODE CM_AUTO +#define DEFAULT_BLINK_CHANNEL CM_BOTH + +#define CONFIG_WAITING_CHANNEL CM_BOTH +#define CONFIG_BLINK_CHANNEL CM_BOTH + +// blink numbers on the main LEDs by default (but allow user to change it) +#define DEFAULT_BLINK_CHANNEL CM_BOTH + +// how much to increase total brightness at middle tint +// (0 = 100% brightness, 64 = 200% brightness) +//#define TINT_RAMPING_CORRECTION 26 // prototype, 140% +#define TINT_RAMPING_CORRECTION 10 // production model, 115% + +#define RAMP_SIZE 150 +// delta-sigma modulated PWM (0b0HHHHHHHHLLLLLLL = 0, 8xHigh, 7xLow bits) +// (max is (255 << 7), because it's 8-bit PWM plus 7 bits of DSM) +// level_calc.py 3.333 1 150 7135 32 0.2 600 --pwm 32640 +#define PWM1_LEVELS 4,35,38,41,45,50,55,61,67,74,82,91,100,110,121,133,146,160,175,192,209,227,247,268,291,314,340,366,395,424,456,489,524,560,599,639,681,726,772,820,871,924,979,1036,1096,1158,1222,1289,1359,1431,1506,1584,1664,1747,1834,1923,2015,2111,2209,2311,2416,2524,2636,2751,2870,2992,3118,3247,3380,3518,3659,3803,3952,4105,4262,4423,4589,4759,4933,5111,5294,5482,5674,5871,6073,6279,6491,6707,6928,7155,7386,7623,7865,8113,8365,8624,8888,9157,9432,9713,10000,10292,10591,10895,11206,11523,11846,12175,12511,12853,13202,13557,13919,14287,14663,15045,15434,15830,16233,16644,17061,17486,17919,18358,18805,19260,19723,20193,20671,21156,21650,22152,22662,23180,23706,24241,24784,25335,25895,26464,27041,27627,28222,28826,29439,30060,30691,31332,31981,32640 + +#define DEFAULT_LEVEL 75 +#define MAX_1x7135 75 +#define HALFSPEED_LEVEL 0 // always use tint ramping correction +#define QUARTERSPEED_LEVEL 2 // quarter speed at level 1, full speed at 2+ +//#undef USE_DYNAMIC_UNDERCLOCKING // makes huge bumps in the ramp + +#define USE_SET_LEVEL_GRADUALLY + + +// override default ramp style +#undef RAMP_STYLE +#define RAMP_STYLE 1 // 0 = smooth, 1 = stepped +// set floor and ceiling as far apart as possible +// because this lantern isn't overpowered +#define RAMP_SMOOTH_FLOOR 1 +#define RAMP_SMOOTH_CEIL 150 +#define RAMP_DISCRETE_FLOOR 1 +#define RAMP_DISCRETE_CEIL 150 +#define RAMP_DISCRETE_STEPS 7 + +// LT1 can handle heat well, so don't limit simple mode +#define SIMPLE_UI_FLOOR 10 +#define SIMPLE_UI_CEIL 150 +#define SIMPLE_UI_STEPS 5 + +// Allow 3C (or 6C) in Simple UI (toggle smooth or stepped ramping) +#define USE_SIMPLE_UI_RAMPING_TOGGLE + +// allow Aux Config and Strobe Modes in Simple UI +#define USE_EXTENDED_SIMPLE_UI + +#define USE_SOS_MODE +#define USE_SOS_MODE_IN_BLINKY_GROUP + +// the default of 26 looks a bit flat, so increase it +#define CANDLE_AMPLITUDE 40 + +#define USE_POLICE_COLOR_STROBE_MODE +#define POLICE_COLOR_STROBE_CH1 CM_CH1 +#define POLICE_COLOR_STROBE_CH2 CM_CH2 +// aux red + aux blue are the correct colors, but are dim +//#define POLICE_COLOR_STROBE_CH1 CM_AUXRED +//#define POLICE_COLOR_STROBE_CH2 CM_AUXBLU + +#undef TACTICAL_LEVELS +#define TACTICAL_LEVELS 120,30,(RAMP_SIZE+3) // high, low, police strobe + +// party strobe, tac strobe, police, lightning, candle, bike +#define DEFAULT_STROBE_CHANNELS CM_BOTH,CM_BOTH,CM_BOTH,CM_AUTO,CM_AUTO,CM_AUTO + +// the sensor (attiny1616) is nowhere near the emitters +// so thermal regulation can't work +#ifdef USE_THERMAL_REGULATION +#undef USE_THERMAL_REGULATION +#endif + +// don't blink while ramping +#ifdef BLINK_AT_RAMP_FLOOR +#undef BLINK_AT_RAMP_FLOOR +#endif +#ifdef BLINK_AT_RAMP_MIDDLE +#undef BLINK_AT_RAMP_MIDDLE +#endif +// except the top... blink at the top +#ifndef BLINK_AT_RAMP_CEIL +#define BLINK_AT_RAMP_CEIL +#endif + +// for consistency with other models +#define USE_SOFT_FACTORY_RESET + diff --git a/hw/sofirn/blf-lt1-t1616/hwdef.c b/hw/sofirn/blf-lt1-t1616/hwdef.c new file mode 100644 index 0000000..9d268a4 --- /dev/null +++ b/hw/sofirn/blf-lt1-t1616/hwdef.c @@ -0,0 +1,210 @@ +// Sofirn LT1-t1616 PWM helpers +// Copyright (C) 2023 SiteRelEnby, Selene ToyKeeper +// SPDX-License-Identifier: GPL-3.0-or-later +#pragma once + +#include "chan-aux.c" + + +void set_level_zero(); + +void set_level_ch1(uint8_t level); +void set_level_ch2(uint8_t level); +void set_level_both(uint8_t level); +void set_level_blend(uint8_t level); +void set_level_auto(uint8_t level); + +bool gradual_tick_ch1(uint8_t gt); +bool gradual_tick_ch2(uint8_t gt); +bool gradual_tick_both(uint8_t gt); +bool gradual_tick_blend(uint8_t gt); +bool gradual_tick_auto(uint8_t gt); + + +Channel channels[] = { + { // channel 1 only + .set_level = set_level_ch1, + .gradual_tick = gradual_tick_ch1, + .has_args = 0 + }, + { // channel 2 only + .set_level = set_level_ch2, + .gradual_tick = gradual_tick_ch2, + .has_args = 0 + }, + { // both channels, tied together (max "200%" power) + .set_level = set_level_both, + .gradual_tick = gradual_tick_both, + .has_args = 0 + }, + { // both channels, manual blend (max "100%" power) + .set_level = set_level_blend, + .gradual_tick = gradual_tick_blend, + .has_args = 1 + }, + { // both channels, auto blend + .set_level = set_level_auto, + .gradual_tick = gradual_tick_auto, + .has_args = 1 + }, + AUX_CHANNELS +}; + + +void set_level_zero() { + // disable timer overflow interrupt + // (helps improve button press handling from Off state) + DSM_INTCTRL = 0; + + // turn off all LEDs + ch1_dsm_lvl = 0; + ch2_dsm_lvl = 0; + CH1_PWM = 0; + CH2_PWM = 0; + PWM_CNT = 0; +} + +void set_hw_levels(PWM_DATATYPE ch1, PWM_DATATYPE ch2) { + + bool was_on = (CH1_PWM>0) || (CH2_PWM>0); + + // set delta-sigma soft levels + ch1_dsm_lvl = ch1; + ch2_dsm_lvl = ch2; + + // set hardware PWM levels and init dsm loop + CH1_PWM = ch1_pwm = ch1 >> 7; + CH2_PWM = ch2_pwm = ch2 >> 7; + + // enable timer overflow interrupt so DSM can work + DSM_INTCTRL = DSM_OVF_bm; + + // reset phase when turning on + if (! was_on) PWM_CNT = 0; + +} + +// delta-sigma modulation of PWM outputs +// happens on each Timer overflow (every 512 cpu clock cycles) +// uses 8-bit pwm w/ 7-bit dsm (0b 0PPP PPPP PDDD DDDD) +ISR(DSM_vect) { + // set new hardware values first, + // for best timing (reduce effect of interrupt jitter) + CH1_PWM = ch1_pwm; + CH2_PWM = ch2_pwm; + + // calculate next values, now that timing matters less + + // accumulate error + ch1_dsm += (ch1_dsm_lvl & 0x007f); + // next PWM = base PWM value + carry bit + ch1_pwm = (ch1_dsm_lvl >> 7) + (ch1_dsm > 0x7f); + // clear carry bit + ch1_dsm &= 0x7f; + + // repeat for other channels + + ch2_dsm += (ch2_dsm_lvl & 0x007f); + ch2_pwm = (ch2_dsm_lvl >> 7) + (ch2_dsm > 0x7f); + ch2_dsm &= 0x7f; + + // clear the interrupt flag to indicate it was handled + // as per: https://onlinedocs.microchip.com/pr/GUID-C37FFBA8-82C6-4339-A2B1-ABD9A0F6C162-en-US-8/index.html?GUID-C2A2BEFD-158F-413D-B9D4-0F0556AA79BD + DSM_INTFLAGS = DSM_OVF_bm; +} + + +void set_level_ch1(uint8_t level) { + set_hw_levels(PWM_GET(pwm1_levels, level), 0); +} + +void set_level_ch2(uint8_t level) { + set_hw_levels(0, PWM_GET(pwm1_levels, level)); +} + +void set_level_both(uint8_t level) { + PWM_DATATYPE pwm = PWM_GET(pwm1_levels, level); + set_hw_levels(pwm, pwm); +} + +void blend_helper(PWM_DATATYPE *warm, PWM_DATATYPE *cool, uint8_t level) { + PWM_DATATYPE brightness = PWM_GET(pwm1_levels, level); + uint8_t blend; + if (channel_mode == CM_AUTO) { + blend = 255 * (uint16_t)level / RAMP_SIZE; + if (cfg.channel_mode_args[channel_mode] & 0b01000000) + blend = 255 - blend; + } else { + blend = cfg.channel_mode_args[channel_mode]; + } + + calc_2ch_blend(warm, cool, brightness, DSM_TOP, blend); +} + +void set_level_blend(uint8_t level) { + PWM_DATATYPE warm, cool; + blend_helper(&warm, &cool, level); + set_hw_levels(warm, cool); +} + +void set_level_auto(uint8_t level) { + PWM_DATATYPE warm, cool; + blend_helper(&warm, &cool, level); + set_hw_levels(warm, cool); +} + +///// "gradual tick" functions for smooth thermal regulation ///// +// (and other smooth adjustments) + +///// bump each channel toward a target value ///// +bool gradual_adjust(PWM_DATATYPE ch1, PWM_DATATYPE ch2) { + // adjust multiple times based on current brightness + // (so it adjusts faster/coarser when bright, slower/finer when dim) + + // higher shift = slower/finer adjustments + const uint8_t shift = 9; // ((255 << 7) >> 9) = 63 max + uint8_t steps; + + steps = ch1_dsm_lvl >> shift; + for (uint8_t i=0; i<=steps; i++) + GRADUAL_ADJUST_SIMPLE(ch1, ch1_dsm_lvl); + + steps = ch2_dsm_lvl >> shift; + for (uint8_t i=0; i<=steps; i++) + GRADUAL_ADJUST_SIMPLE(ch2, ch2_dsm_lvl); + + if ((ch1 == ch1_dsm_lvl) + && (ch2 == ch2_dsm_lvl )) { + return true; // done + } + return false; // not done yet +} + +bool gradual_tick_ch1(uint8_t gt) { + PWM_DATATYPE pwm = PWM_GET(pwm1_levels, gt); + return gradual_adjust(pwm, 0); +} + +bool gradual_tick_ch2(uint8_t gt) { + PWM_DATATYPE pwm = PWM_GET(pwm1_levels, gt); + return gradual_adjust(0, pwm); +} + +bool gradual_tick_both(uint8_t gt) { + PWM_DATATYPE pwm = PWM_GET(pwm1_levels, gt); + return gradual_adjust(pwm, pwm); +} + +bool gradual_tick_blend(uint8_t gt) { + PWM_DATATYPE warm, cool; + blend_helper(&warm, &cool, gt); + return gradual_adjust(warm, cool); +} + +bool gradual_tick_auto(uint8_t gt) { + PWM_DATATYPE warm, cool; + blend_helper(&warm, &cool, gt); + return gradual_adjust(warm, cool); +} + + diff --git a/hw/sofirn/blf-lt1-t1616/hwdef.h b/hw/sofirn/blf-lt1-t1616/hwdef.h new file mode 100644 index 0000000..7c1f10b --- /dev/null +++ b/hw/sofirn/blf-lt1-t1616/hwdef.h @@ -0,0 +1,161 @@ +// BLF LT1 driver layout using the Attiny1616 +// Copyright (C) 2021-2023 (gchart), Selene ToyKeeper +// SPDX-License-Identifier: GPL-3.0-or-later +#pragma once + +/* + * Driver pinout: + * eSwitch: PA5 + * Aux LED: PB5 + * PWM cool: PB0 (TCA0 WO0) + * PWM warm: PB1 (TCA0 WO1) + * Voltage: VCC + */ + +#define ATTINY 1616 +#include <avr/io.h> + +#define HWDEF_C_FILE hwdef-blf-lt1-t1616.c + +// allow using aux LEDs as extra channel modes +#include "chan-aux.h" + +// channel modes: +// * 0. warm only +// * 1. cool only +// * 2. both channels, tied together, max "200%" power +// * 3. both channels, manual blend, max "100%" power +// * 4. both channels, auto blend, reversible +#define NUM_CHANNEL_MODES 6 +enum channel_modes_e { + CM_CH1 = 0, + CM_CH2, + CM_BOTH, + CM_BLEND, + CM_AUTO, + CM_AUX +}; + +// right-most bit first, modes are in fedcba9876543210 order +#define CHANNEL_MODES_ENABLED 0b00011000 +#define USE_CHANNEL_MODE_ARGS +// _, _, _, 128=middle CCT, 0=warm-to-cool +#define CHANNEL_MODE_ARGS 0,0,0,128,0,0 + +// 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 32640 (0 to 255 PWM + 0 to 127 DSM) at constant 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 // 15-bit PWM+DSM ramp + +// PWM parameters of both channels are tied together because they share a counter +// dynamic PWM +#define PWM_TOP TCA0.SINGLE.PERBUF // holds the TOP value for for variable-resolution PWM +#define PWM_TOP_INIT 255 +#define PWM_CNT TCA0.SINGLE.CNT // for resetting phase after each TOP adjustment +// (max is (255 << 7), because it's 8-bit PWM plus 7 bits of DSM) +#define DSM_TOP (255<<7) // 15-bit resolution leaves 1 bit for carry + +// timer interrupt for DSM +#define DSM_vect TCA0_OVF_vect +#define DSM_INTCTRL TCA0.SINGLE.INTCTRL +#define DSM_INTFLAGS TCA0.SINGLE.INTFLAGS +#define DSM_OVF_bm TCA_SINGLE_OVF_bm + +#define DELAY_FACTOR 90 // less time in delay() because more time spent in interrupts + +// warm LEDs +uint16_t ch1_dsm_lvl; +uint8_t ch1_pwm, ch1_dsm; +#define CH1_PIN PB1 +#define CH1_PWM TCA0.SINGLE.CMP1BUF // CMP1 is the output compare register for PB1 + +// cold LEDs +uint16_t ch2_dsm_lvl; +uint8_t ch2_pwm, ch2_dsm; +#define CH2_PIN PB0 +#define CH2_PWM TCA0.SINGLE.CMP0BUF // CMP0 is the output compare register for PB0 + +// lighted button +#define AUXLED_PIN PIN5_bp +#define AUXLED_PORT PORTB + +// e-switch +#define SWITCH_PIN PIN5_bp +#define SWITCH_PORT VPORTA.IN +#define SWITCH_ISC_REG PORTA.PIN2CTRL +#define SWITCH_VECT PORTA_PORT_vect +#define SWITCH_INTFLG VPORTA.INTFLAGS + +// average drop across diode on this hardware +#ifndef VOLTAGE_FUDGE_FACTOR +#define VOLTAGE_FUDGE_FACTOR 7 // add 0.35V +#endif + + +inline void hwdef_setup() { + + // set up the system clock to run at 10 MHz instead of the default 3.33 MHz + _PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, + CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm ); + + //VPORTA.DIR = ...; + // Outputs + VPORTB.DIR = PIN0_bm // cool white + | PIN1_bm // warm white + // | PIN2_bm // for testing on LT1S Pro, disable red channel + | PIN5_bm; // aux LED + //VPORTC.DIR = ...; + + // enable pullups on the unused pins to reduce power + PORTA.PIN0CTRL = PORT_PULLUPEN_bm; + PORTA.PIN1CTRL = PORT_PULLUPEN_bm; + PORTA.PIN2CTRL = PORT_PULLUPEN_bm; + PORTA.PIN3CTRL = PORT_PULLUPEN_bm; + PORTA.PIN4CTRL = PORT_PULLUPEN_bm; + PORTA.PIN5CTRL = PORT_PULLUPEN_bm | PORT_ISC_BOTHEDGES_gc; // eSwitch + PORTA.PIN6CTRL = PORT_PULLUPEN_bm; + PORTA.PIN7CTRL = PORT_PULLUPEN_bm; + + //PORTB.PIN0CTRL = PORT_PULLUPEN_bm; // cold tint channel + //PORTB.PIN1CTRL = PORT_PULLUPEN_bm; // warm tint channel + PORTB.PIN2CTRL = PORT_PULLUPEN_bm; // comment out for testing on LT1S Pro + PORTB.PIN3CTRL = PORT_PULLUPEN_bm; + PORTB.PIN4CTRL = PORT_PULLUPEN_bm; + //PORTB.PIN5CTRL = PORT_PULLUPEN_bm; // Aux LED + + PORTC.PIN0CTRL = PORT_PULLUPEN_bm; + PORTC.PIN1CTRL = PORT_PULLUPEN_bm; + PORTC.PIN2CTRL = PORT_PULLUPEN_bm; + PORTC.PIN3CTRL = PORT_PULLUPEN_bm; + + // set up the PWM + // https://ww1.microchip.com/downloads/en/DeviceDoc/ATtiny1614-16-17-DataSheet-DS40002204A.pdf + // PB0 is TCA0:WO0, use TCA_SINGLE_CMP0EN_bm + // PB1 is TCA0:WO1, use TCA_SINGLE_CMP1EN_bm + // For Fast (Single Slope) PWM use TCA_SINGLE_WGMODE_SINGLESLOPE_gc + // For Phase Correct (Dual Slope) PWM use TCA_SINGLE_WGMODE_DSBOTTOM_gc + // TODO: add references to MCU documentation + TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm + | TCA_SINGLE_CMP1EN_bm + | TCA_SINGLE_WGMODE_DSBOTTOM_gc; + TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc + | TCA_SINGLE_ENABLE_bm; + + PWM_TOP = PWM_TOP_INIT; + + // set up interrupt for delta-sigma modulation + // (moved to hwdef.c functions so it can be enabled/disabled based on ramp level) + //DSM_INTCTRL |= DSM_OVF_bm; // interrupt once for each timer cycle + +} + + +#define LAYOUT_DEFINED + |