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Diffstat (limited to 'hwdef-Emisar_D4Sv2-tintramp.h')
| -rw-r--r-- | hwdef-Emisar_D4Sv2-tintramp.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/hwdef-Emisar_D4Sv2-tintramp.h b/hwdef-Emisar_D4Sv2-tintramp.h new file mode 100644 index 0000000..76f6097 --- /dev/null +++ b/hwdef-Emisar_D4Sv2-tintramp.h @@ -0,0 +1,182 @@ +#ifndef HWDEF_D4SV2_TINTRAMP_H +#define HWDEF_D4SV2_TINTRAMP_H + +/* Emisar D4Sv2 w/ tint ramping + * (based on the Noctigon K9.3 driver layout (attiny1634)) + * + * Pin / Name / Function + * 1 PA6 2nd 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 (2nd LEDs) + * 7 PA0 Opamp 1 enable (main LEDs) + * 8 GND GND + * 9 VCC VCC + * 10 PC5 (none) + * 11 PC4 (none) + * 12 PC3 RESET + * 13 PC2 (none) + * 14 PC1 SCK + * 15 PC0 main LED PWM (FET) (PWM0A) (unused on some models because tint ramping) + * 16 PB3 main LED PWM (linear) (PWM1A) + * 17 PB2 MISO + * 18 PB1 MOSI / battery voltage (ADC6) + * 19 PB0 (none) + * 20 PA7 e-switch (PCINT7) + * ADC12 thermal sensor + * + * Main LED power uses one pin to turn the Opamp on/off, + * and one pin to control Opamp power level. + * Main brightness control uses the power level pin, with 4 kHz 10-bit PWM. + * The on/off pin is only used to turn the main LED on and off, + * not to change brightness. + */ + +#ifdef ATTINY +#undef ATTINY +#endif +#define ATTINY 1634 +#include <avr/io.h> + +#define PWM_CHANNELS 1 // 1 virtual channel (1 for main LEDs + 1 for 2nd LEDs) +#define PWM_BITS 14 // 0 to 16383 at variable Hz, not 0 to 255 at 16 kHz +#define PWM_TOP 511 +// dynamic PWM with tint ramping +#define USE_DYN_PWM // dynamic frequency and speed +#define PWM_DATATYPE2 uint32_t // only needs 32-bit if ramp values go over 255 + +#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 PCINT_vect PCINT0_vect // ISR for PCINT[7:0] + +// usually PWM1_LVL would be a hardware register, but we need to abstract +// it out to a soft brightness value, in order to handle tint ramping +// (this allows smooth thermal regulation to work, and makes things +// otherwise simpler and easier) +uint16_t PWM1_LVL; +#define PWM1_PIN PB3 // pin 16, Opamp reference +#define TINT1_LVL OCR1A // OCR1A is the output compare register for PB3 +#define PWM1_CNT TCNT1 // for dynamic PWM, reset phase + +// gah, this driver is weird... +// two linear channels are treated as one, +// while there's also a FET on one channel for turbo on half the LEDs +// so the FET needs to be "PWM2" but the second linear is "TINT2" +#define PWM3_PIN PA6 // pin 1, 2nd LED Opamp reference +#define TINT2_LVL OCR1B // OCR1B is the output compare register for PA6 + +#define PWM2_PIN PC0 // pin 15, DD FET PWM +#define PWM2_LVL OCR0A // OCR0A is the output compare register for PC0 + +// 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 PA0 // pin 7, Opamp power +#define LED_ENABLE_PORT PORTA // control port for PA0 + +#define LED2_ENABLE_PIN PA1 // pin 6, Opamp power +#define LED2_ENABLE_PORT PORTA // control port for PA1 + + +#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 + DDRC = (1 << PWM2_PIN); + DDRB = (1 << PWM1_PIN); + DDRA = (1 << PWM3_PIN) + | (1 << AUXLED_R_PIN) + | (1 << AUXLED_G_PIN) + | (1 << AUXLED_B_PIN) + | (1 << BUTTON_LED_PIN) + | (1 << LED_ENABLE_PIN) + | (1 << LED2_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<<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) + ; + + // FET PWM (8-bit; this channel can't do 10-bit) + // WGM0[2:0]: 0,0,1: PWM, Phase Correct, 8-bit (DS table 11-8) + // CS0[2:0]: 0,0,1: clk/1 (No prescaling) (DS table 11-9) + // COM0A[1:0]: 1,0: PWM OC0A in the normal direction (DS table 11-4) + // COM0B[1:0]: 1,0: PWM OC0B in the normal direction (DS table 11-7) + TCCR0A = (0<<WGM01) | (1<<WGM00) // 8-bit (TOP=0xFF) (DS table 11-8) + | (1<<COM0A1) | (0<<COM0A0) // PWM 0A in normal direction (DS table 11-4) + //| (1<<COM0B1) | (0<<COM0B0) // PWM 0B in normal direction (DS table 11-7) + ; + TCCR0B = (0<<CS02) | (0<<CS01) | (1<<CS00) // clk/1 (no prescaling) (DS table 11-9) + | (0<<WGM02) // phase-correct PWM (DS table 11-8) + ; + // set PWM resolution + PWM1_TOP = PWM_TOP; + + // set up e-switch + PUEA = (1 << SWITCH_PIN); // pull-up for e-switch + SWITCH_PCMSK = (1 << SWITCH_PCINT); // enable pin change interrupt +} + +#define LAYOUT_DEFINED + +#endif |