diff options
Diffstat (limited to '')
| -rw-r--r-- | hwdef-Noctigon_DM11-SBT90.h | 158 | ||||
| -rw-r--r-- | hwdef-noctigon-dm11-boost.c | 21 | ||||
| -rw-r--r-- | hwdef-noctigon-dm11-boost.h | 66 | ||||
| -rw-r--r-- | hwdef-noctigon-dm11.h (renamed from hwdef-Noctigon_DM11.h) | 148 | ||||
| -rw-r--r-- | hwdef-noctigon-kr4.h | 5 |
5 files changed, 121 insertions, 277 deletions
diff --git a/hwdef-Noctigon_DM11-SBT90.h b/hwdef-Noctigon_DM11-SBT90.h deleted file mode 100644 index c56b8ce..0000000 --- a/hwdef-Noctigon_DM11-SBT90.h +++ /dev/null @@ -1,158 +0,0 @@ -// Noctigon DM11-SBT90.2 driver layout (attiny1634) -// Copyright (C) 2021-2023 Selene ToyKeeper -// SPDX-License-Identifier: GPL-3.0-or-later -#pragma once - -/* - * (based on Noctigon K1 and DM11) - * - * Pin / Name / Function - * 1 PA6 FET PWM (direct drive) (PWM1B) - * 2 PA5 R: red aux LED (PWM0B) - * 3 PA4 G: green aux LED - * 4 PA3 B: blue aux LED - * 5 PA2 L: button LED - * 6 PA1 (none) - * 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 main LED PWM (PWM1A) - * 17 PB2 MISO / e-switch (PCINT10) - * 18 PB1 MOSI / battery voltage (ADC6) - * 19 PB0 Opamp power - * 20 PA7 (none) (PCINT7) - * ADC12 thermal sensor - * - * Main LED power uses one pin to turn the Opamp on/off, - * and one pin to control Opamp power level. - * Linear brightness control uses the power level pin, with dynamic PWM. - * The on/off pin is only used to turn the main LED on and off, - * not to change brightness. - * Also has a direct-drive FET for turbo. - */ - -#ifdef ATTINY -#undef ATTINY -#endif -#define ATTINY 1634 -#include <avr/io.h> - -#define PWM_CHANNELS 2 // override this for the no-FET version -#define PWM_BITS 16 // data type needs 16 bits, not 8 -#define PWM_TOP 255 // highest value used in top half of ramp -#define USE_DYN_PWM // dynamic frequency and speed - -#define SWITCH_PIN PB2 // pin 17 -#define SWITCH_PCINT PCINT10 // pin 17 pin change interrupt -#define SWITCH_PCIE PCIE1 // PCIE1 is for PCINT[11:8] -#define SWITCH_PCMSK PCMSK1 // PCMSK1 is for PCINT[11:8] -#define SWITCH_PORT PINB // PINA or PINB or PINC -#define PCINT_vect PCINT1_vect // ISR for PCINT[11:8] - -#define PWM1_PIN PB3 // pin 16, Opamp reference -#define PWM1_LVL OCR1A // OCR1A is the output compare register for PB3 -#define PWM1_CNT TCNT1 // for dynamic PWM, reset phase -#define PWM1_PHASE_RESET_OFF // force reset while shutting off -#define PWM1_PHASE_RESET_ON // force reset while turning on -#define PWM1_PHASE_SYNC // manual sync while changing level - -#define PWM2_PIN PA6 // pin 1, DD FET PWM -#define PWM2_LVL OCR1B // OCR1B is the output compare register for PA6 - -// PWM parameters of both channels are tied together because they share a counter -#define PWM1_TOP ICR1 // holds the TOP value for for variable-resolution PWM - -#define LED_ENABLE_PIN PB0 // pin 19, Opamp power -#define LED_ENABLE_PORT PORTB // control port for PB0 - - -#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 - -// with so many pins, doing this all with #ifdefs gets awkward... -// ... so just hardcode it in each hwdef file instead -inline void hwdef_setup() { - // enable output ports - // Opamp level and Opamp on/off - DDRB = (1 << PWM1_PIN) - | (1 << LED_ENABLE_PIN); - // DD FET PWM, aux R/G/B, button LED - DDRA = (1 << PWM2_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 - // 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<<WGM11) | (0<<WGM10) // adjustable PWM (TOP=ICR1) (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) - | (1<<WGM13) | (0<<WGM12) // phase-correct adjustable PWM (DS table 12-5) - ; - - // set PWM resolution - PWM1_TOP = PWM_TOP; - - // set up e-switch - //PORTB = (1 << SWITCH_PIN); // TODO: configure PORTA / PORTB / PORTC? - PUEB = (1 << SWITCH_PIN); // pull-up for e-switch - SWITCH_PCMSK = (1 << SWITCH_PCINT); // enable pin change interrupt -} - -#define LAYOUT_DEFINED - diff --git a/hwdef-noctigon-dm11-boost.c b/hwdef-noctigon-dm11-boost.c index 2ea8f07..006cbf8 100644 --- a/hwdef-noctigon-dm11-boost.c +++ b/hwdef-noctigon-dm11-boost.c @@ -6,18 +6,31 @@ #include "chan-rgbaux.c" +void set_level_main(uint8_t level); +bool gradual_tick_main(uint8_t gt); + + +Channel channels[] = { + { // channel 1 only + .set_level = set_level_main, + .gradual_tick = gradual_tick_main + }, + RGB_AUX_CHANNELS +}; + + // single set of LEDs with single power channel, boost void set_level_main(uint8_t level) { if (level == 0) { CH1_PWM = 0; PWM_CNT = 0; // reset phase - LED_ENABLE_PORT &= ~(1 << LED_ENABLE_PIN ); // disable opamp - LED_ENABLE_PORT2 &= ~(1 << LED_ENABLE_PIN2); // disable PMIC + CH1_ENABLE_PORT &= ~(1 << CH1_ENABLE_PIN ); // disable opamp + CH1_ENABLE_PORT2 &= ~(1 << CH1_ENABLE_PIN2); // disable PMIC return; } - LED_ENABLE_PORT |= (1 << LED_ENABLE_PIN ); // enable opamp - LED_ENABLE_PORT2 |= (1 << LED_ENABLE_PIN2); // enable PMIC + CH1_ENABLE_PORT |= (1 << CH1_ENABLE_PIN ); // enable opamp + CH1_ENABLE_PORT2 |= (1 << CH1_ENABLE_PIN2); // enable PMIC level --; // PWM array index = level - 1 PWM_DATATYPE ch1_pwm = PWM_GET(pwm1_levels, level); diff --git a/hwdef-noctigon-dm11-boost.h b/hwdef-noctigon-dm11-boost.h index e4d009d..4453bc7 100644 --- a/hwdef-noctigon-dm11-boost.h +++ b/hwdef-noctigon-dm11-boost.h @@ -44,54 +44,23 @@ // allow using aux LEDs as extra channel modes #include "chan-rgbaux.h" -#define USE_CHANNEL_MODES // channel modes: // * 0. main LEDs -// * 1. aux red -// * 2. aux yellow -// * 3. aux green -// * 4. aux cyan -// * 5. aux blue -// * 6. aux purple -// * 7. aux white -#define NUM_CHANNEL_MODES 8 +// * 1+. aux RGB +#define NUM_CHANNEL_MODES (1 + NUM_RGB_AUX_CHANNEL_MODES) enum CHANNEL_MODES { CM_MAIN = 0, - CM_AUXRED, - CM_AUXYEL, - CM_AUXGRN, - CM_AUXCYN, - CM_AUXBLU, - CM_AUXPRP, - CM_AUXWHT, + RGB_AUX_ENUMS }; #define DEFAULT_CHANNEL_MODE CM_MAIN -#define CHANNEL_MODES_ENABLED 0b00000001 -#define CHANNEL_HAS_ARGS 0b00000000 +// right-most bit first, modes are in fedcba9876543210 order +#define CHANNEL_MODES_ENABLED 0b0000000000000001 // no args //#define USE_CHANNEL_MODE_ARGS //#define CHANNEL_MODE_ARGS 0,0,0,0,0,0,0,0 -#define SET_LEVEL_MODES set_level_main, \ - set_level_auxred, \ - set_level_auxyel, \ - set_level_auxgrn, \ - set_level_auxcyn, \ - set_level_auxblu, \ - set_level_auxprp, \ - set_level_auxwht -// gradual ticking for thermal regulation -#define GRADUAL_TICK_MODES gradual_tick_main, \ - gradual_tick_null, \ - gradual_tick_null, \ - gradual_tick_null, \ - gradual_tick_null, \ - gradual_tick_null, \ - gradual_tick_null, \ - gradual_tick_null - #define PWM_CHANNELS 1 // old, remove this @@ -99,24 +68,21 @@ enum CHANNEL_MODES { #define PWM_GET PWM_GET8 #define PWM_DATATYPE uint16_t // is used for PWM_TOPS (which goes way over 255) #define PWM_DATATYPE2 uint16_t // only needs 32-bit if ramp values go over 255 -#define PWM1_DATATYPE uint8_t // 1x7135 ramp +#define PWM1_DATATYPE uint8_t // regulated ramp -#define PWM_TOP ICR1 // holds the TOP value for for variable-resolution PWM +#define PWM_TOP ICR1 // holds the TOP value for variable-resolution PWM #define PWM_TOP_INIT 255 // highest value used in top half of ramp #define PWM_CNT TCNT1 // for dynamic PWM, reset phase +// regulated channel #define CH1_PIN PB3 // pin 16, Opamp reference #define CH1_PWM OCR1A // OCR1A is the output compare register for PB3 -#define PWM1_PHASE_RESET_OFF // force reset while shutting off -#define PWM1_PHASE_RESET_ON // force reset while turning on -#define PWM1_PHASE_SYNC // manual sync while changing level - -#define LED_ENABLE_PIN PB0 // pin 19, Opamp power -#define LED_ENABLE_PORT PORTB // control port for PB0 +#define CH1_ENABLE_PIN PB0 // pin 19, Opamp power +#define CH1_ENABLE_PORT PORTB // control port for PB0 -#define LED_ENABLE_PIN2 PC0 // pin 15, boost PMIC enable -#define LED_ENABLE_PORT2 PORTC // control port for PC0 +#define CH1_ENABLE_PIN2 PC0 // pin 15, boost PMIC enable +#define CH1_ENABLE_PORT2 PORTC // control port for PC0 // e-switch #define SWITCH_PIN PA7 // pin 20 @@ -179,18 +145,14 @@ enum CHANNEL_MODES { #undef USE_INDICATOR_LED_WHILE_RAMPING #endif -void set_level_main(uint8_t level); - -bool gradual_tick_main(uint8_t gt); - inline void hwdef_setup() { // enable output ports // boost PMIC on/off - DDRC = (1 << LED_ENABLE_PIN2); + DDRC = (1 << CH1_ENABLE_PIN2); // Opamp level and Opamp on/off DDRB = (1 << CH1_PIN) - | (1 << LED_ENABLE_PIN); + | (1 << CH1_ENABLE_PIN); // aux R/G/B, button LED DDRA = (1 << AUXLED_R_PIN) | (1 << AUXLED_G_PIN) diff --git a/hwdef-Noctigon_DM11.h b/hwdef-noctigon-dm11.h index 619e12d..b35b27f 100644 --- a/hwdef-Noctigon_DM11.h +++ b/hwdef-noctigon-dm11.h @@ -11,7 +11,7 @@ * 2 PA5 R: red aux LED (PWM0B) * 3 PA4 G: green aux LED * 4 PA3 B: blue aux LED - * 5 PA2 L: button LED + * 5 PA2 L: button LED (on some models) * 6 PA1 (none) * 7 PA0 (none) * 8 GND GND @@ -22,7 +22,7 @@ * 13 PC2 (none) * 14 PC1 SCK * 15 PC0 (none) PWM0A - * 16 PB3 main LED PWM (PWM1A) + * 16 PB3 main LED PWM (linear) (PWM1A) * 17 PB2 MISO / (none) (PCINT10) * 18 PB1 MOSI / battery voltage (ADC6) * 19 PB0 Opamp power @@ -37,38 +37,66 @@ * Some models also have a direct-drive FET for turbo. */ -#ifdef ATTINY -#undef ATTINY -#endif #define ATTINY 1634 #include <avr/io.h> -#define PWM_CHANNELS 2 // override this for the no-FET version -#define PWM_BITS 16 // data type needs 16 bits, not 8 -#define PWM_TOP 255 // highest value used in top half of ramp -#define USE_DYN_PWM // dynamic frequency and speed +#ifndef HWDEF_C_FILE +#define HWDEF_C_FILE hwdef-noctigon-kr4.c +#endif -#define SWITCH_PIN PA7 // pin 20 -#define SWITCH_PCINT PCINT7 // pin 20 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 +// allow using aux LEDs as extra channel modes +#include "chan-rgbaux.h" + +// channel modes: +// * 0. linear + DD FET stacked +// * 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 +// no args +//#define USE_CHANNEL_MODE_ARGS +//#define CHANNEL_MODE_ARGS 0,0,0,0,0,0,0,0 -#define PWM1_PIN PB3 // pin 16, Opamp reference -#define PWM1_LVL OCR1A // OCR1A is the output compare register for PB3 -#define PWM1_CNT TCNT1 // for dynamic PWM, reset phase -#define PWM1_PHASE_RESET_OFF // force reset while shutting off -#define PWM1_PHASE_RESET_ON // force reset while turning on -#define PWM1_PHASE_SYNC // manual sync while changing level -#define PWM2_PIN PA6 // pin 1, DD FET PWM -#define PWM2_LVL OCR1B // OCR1B is the output compare register for PA6 +#define PWM_CHANNELS 2 // old, remove this + +#define PWM_BITS 16 // dynamic 16-bit, but never goes over 255 +#define PWM_GET PWM_GET8 +#define PWM_DATATYPE uint16_t // is used for PWM_TOPS (which goes way over 255) +#define PWM_DATATYPE2 uint16_t // only needs 32-bit if ramp values go over 255 +#define PWM1_DATATYPE uint8_t // linear ramp +#define PWM2_DATATYPE uint8_t // DD FET ramp // PWM parameters of both channels are tied together because they share a counter -#define PWM1_TOP ICR1 // holds the TOP value for for variable-resolution PWM +#define PWM_TOP ICR1 // holds the TOP value for variable-resolution PWM +#define PWM_TOP_INIT 255 // highest value used in top half of ramp +#define PWM_CNT TCNT1 // for dynamic PWM, reset phase -#define LED_ENABLE_PIN PB0 // pin 19, Opamp power -#define LED_ENABLE_PORT PORTB // control port for PB0 +// linear channel +#define CH1_PIN PB3 // pin 16, Opamp reference +#define CH1_PWM OCR1A // OCR1A is the output compare register for PB3 +#define CH1_ENABLE_PIN PB0 // pin 19, Opamp power +#define CH1_ENABLE_PORT PORTB // control port for PB0 + +// DD FET channel +#define CH2_PIN PA6 // pin 1, DD FET PWM +#define CH2_PWM OCR1B // OCR1B is the output compare register for PA6 + +// e-switch +#define SWITCH_PIN PA7 // pin 20 +#define SWITCH_PCINT PCINT7 // pin 20 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 SWITCH_PUE PUEA // pullup group A +#define PCINT_vect PCINT0_vect // ISR for PCINT[7:0] #define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is flattened @@ -114,44 +142,42 @@ #define BUTTON_LED_DDR DDRA // for all "PA" pins #define BUTTON_LED_PUE PUEA // for all "PA" pins -// with so many pins, doing this all with #ifdefs gets awkward... -// ... so just hardcode it in each hwdef file instead inline void hwdef_setup() { - // enable output ports - // Opamp level and Opamp on/off - DDRB = (1 << PWM1_PIN) - | (1 << LED_ENABLE_PIN); - // DD FET PWM, aux R/G/B, button LED - DDRA = (1 << PWM2_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 - // 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<<WGM11) | (0<<WGM10) // adjustable PWM (TOP=ICR1) (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) - | (1<<WGM13) | (0<<WGM12) // phase-correct adjustable PWM (DS table 12-5) - ; - - // set PWM resolution - PWM1_TOP = PWM_TOP; - - // 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 + // enable output ports + // Opamp level and Opamp on/off + DDRB = (1 << CH1_PIN) + | (1 << CH1_ENABLE_PIN); + // DD FET PWM, aux R/G/B, button LED + DDRA = (1 << CH2_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 + // 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<<WGM11) | (0<<WGM10) // adjustable PWM (TOP=ICR1) (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) + | (1<<WGM13) | (0<<WGM12) // phase-correct adjustable PWM (DS table 12-5) + ; + + // set PWM resolution + PWM_TOP = PWM_TOP_INIT; + + // set up e-switch + SWITCH_PUE = (1 << SWITCH_PIN); // pull-up for e-switch + SWITCH_PCMSK = (1 << SWITCH_PCINT); // enable pin change interrupt } + #define LAYOUT_DEFINED diff --git a/hwdef-noctigon-kr4.h b/hwdef-noctigon-kr4.h index 02e88af..b06411d 100644 --- a/hwdef-noctigon-kr4.h +++ b/hwdef-noctigon-kr4.h @@ -5,11 +5,11 @@ /* * Pin / Name / Function - * 1 PA6 FET PWM (direct drive) (PWM1B) + * 1 PA6 FET PWM (direct drive) (PWM1B) (on some models) * 2 PA5 R: red aux LED (PWM0B) * 3 PA4 G: green aux LED * 4 PA3 B: blue aux LED - * 5 PA2 button LED (D4V2.5 only) + * 5 PA2 L: button LED (on some models) * 6 PA1 (none) * 7 PA0 (none) * 8 GND GND @@ -29,6 +29,7 @@ * * Main LED power uses one pin to turn the Opamp on/off, * and one pin to control Opamp power level. + * Linear brightness control uses the power level pin, with dynamic PWM. * The on/off pin is only used to turn the main LED on and off, * not to change brightness. * Some models also have a direct-drive FET for turbo. |