D4v2 FET+1 model: works again, and now uses dynamic PWM (lower lows)

(also added generic channel modes for RGB aux LEDs)

1 files changed, 185 insertions, 0 deletions

diff --git a/hwdef-emisar-d4v2.h b/hwdef-emisar-d4v2.h
new file mode 100644
index 0000000..96d4052
--- /dev/null
+++ b/hwdef-emisar-d4v2.h
@@ -0,0 +1,185 @@
+// hwdef for Emisar D4v2 (attiny1634)
+// Copyright (C) 2018 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+/*
+ * Pin / Name / Function
+ *   1    PA6   FET PWM (PWM1B)
+ *   2    PA5   red aux LED (PWM0B)
+ *   3    PA4   green aux LED
+ *   4    PA3   blue aux LED
+ *   5    PA2   e-switch
+ *   6    PA1   button LED
+ *   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   7135 PWM (PWM1A)
+ *  17    PB2   MISO
+ *  18    PB1   MOSI
+ *  19    PB0   (none)
+ *  20    PA7   (none)
+ *      ADC12   thermal sensor
+ */
+
+#define ATTINY 1634
+#include <avr/io.h>
+
+#define HWDEF_C_FILE hwdef-emisar-d4v2.c
+
+// allow using aux LEDs as extra channel modes
+#include "chan-rgbaux.h"
+
+// channel modes:
+// * 0. FET+7135 stacked
+// * 1. aux red
+// * 2. aux green
+// * 3. aux blue
+#define NUM_CHANNEL_MODES  4
+#define CM_MAIN            0
+#define CM_AUXRED          1
+#define CM_AUXGRN          2
+#define CM_AUXBLU          3
+
+#define DEFAULT_CHANNEL_MODE 0
+
+#define CHANNEL_MODES_ENABLED 0b00000001
+#define CHANNEL_HAS_ARGS      0b00000000
+// _, _, _, 128=middle CCT, 0=warm-to-cool
+//#define CHANNEL_MODE_ARGS     0,0,0,0
+
+#define USE_CHANNEL_MODES
+//#define USE_CHANNEL_MODE_ARGS
+#define SET_LEVEL_MODES      set_level_stacked, \
+                             set_level_auxred, \
+                             set_level_auxgrn, \
+                             set_level_auxblu
+// gradual ticking for thermal regulation
+#define GRADUAL_TICK_MODES   gradual_tick_stacked, \
+                             gradual_tick_null, \
+                             gradual_tick_null, \
+                             gradual_tick_null
+
+// TODO: remove this when possible
+#define PWM_CHANNELS 2
+
+#define SWITCH_PIN   PA2    // pin 5
+#define SWITCH_PCINT PCINT2 // pin 5 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 PWM_GET       PWM_GET16
+#define PWM_BITS      16
+#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
+#define PWM2_DATATYPE uint16_t
+
+// dynamic PWM
+#define PWM_TOP_INIT 255
+#define PWM_TOP ICR1       // holds the TOP value for for variable-resolution PWM
+#define PWM_CNT TCNT1      // for dynamic PWM, reset phase
+
+#define LOW_PWM_PIN PB3     // pin 16, 1x7135 PWM
+#define LOW_PWM_LVL OCR1A   // OCR1A is the output compare register for PB3
+
+#define HIGH_PWM_PIN PA6    // pin 1, FET PWM
+#define HIGH_PWM_LVL OCR1B  // OCR1B is the output compare register for PB1
+
+#define ADC_PRSCL   0x07    // clk/128
+
+// average drop across diode on this hardware
+#ifndef VOLTAGE_FUDGE_FACTOR
+#define VOLTAGE_FUDGE_FACTOR 4  // add 0.20V  (measured 0.22V)
+#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  PA1    // pin 6
+#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
+
+// this light has three aux LED channels: R, G, B
+#define USE_AUX_RGB_LEDS
+// it also has an independent LED in the button
+#define USE_BUTTON_LED
+// the aux LEDs are front-facing, so turn them off while main LEDs are on
+// TODO: the whole "indicator LED" thing needs to be refactored into
+//       "aux LED(s)" and "button LED(s)" since they work a bit differently
+#ifdef USE_INDICATOR_LED_WHILE_RAMPING
+#undef USE_INDICATOR_LED_WHILE_RAMPING
+#endif
+
+// custom channel modes
+void set_level_stacked(uint8_t level);
+
+bool gradual_tick_stacked(uint8_t gt);
+
+
+inline void hwdef_setup() {
+    // enable output ports
+    // 7135
+    DDRB = (1 << LOW_PWM_PIN);
+    // FET, aux R/G/B, button LED
+    DDRA = (1 << HIGH_PWM_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
+    // 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)
+            ;
+
+    // set PWM resolution
+    PWM_TOP = PWM_TOP_INIT;
+
+    #if 0  // old 8-bit PWM setup
+    // 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
+    TCCR1A  = (0<<WGM11)  | (1<<WGM10)   // 8-bit (TOP=0xFF) (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)
+            | (0<<WGM13)  | (0<<WGM12)  // phase-correct PWM (DS table 12-5)
+            ;
+    #endif
+
+    // 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
+}
+
+
+#define LAYOUT_DEFINED
+