converted noctigon-k1 to multi-channel

1 files changed, 79 insertions, 44 deletions

diff --git a/hwdef-Noctigon_K1.h b/hwdef-noctigon-k1.h
index 2e44e23..6467567 100644
--- a/hwdef-Noctigon_K1.h
+++ b/hwdef-noctigon-k1.h
@@ -36,27 +36,60 @@
  * not to change brightness.
  */
 
-#ifdef ATTINY
-#undef ATTINY
-#endif
 #define ATTINY 1634
 #include <avr/io.h>
 
-#define PWM_CHANNELS 1
-#define PWM_BITS 10  // 0 to 1023 at 4 kHz, not 0 to 255 at 16 kHz
-#define PWM_TOP 1023
+#ifndef HWDEF_C_FILE
+#define HWDEF_C_FILE hwdef-noctigon-k1.c
+#endif
+
+// allow using aux LEDs as extra channel modes
+#include "chan-rgbaux.h"
+
+// channel modes:
+// * 0. main LED
+// * 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 PWM_CHANNELS 1  // old, remove this
+
+#define PWM_BITS      10        // 0 to 1023 at 4 kHz, not 0 to 255 at 16 kHz
+#define PWM_GET       PWM_GET16
+#define PWM_DATATYPE  uint16_t  // is used for PWM_TOPS (which goes way over 255)
+#define PWM_DATATYPE2 uint32_t  // only needs 32-bit if ramp values go over 255
+#define PWM1_DATATYPE uint16_t  // linear ramp
 
+#define PWM_TOP       ICR1   // holds the TOP value for variable-resolution PWM
+#define PWM_TOP_INIT  1023   // highest value used in top half of ramp
+#define PWM_CNT       TCNT1  // for dynamic PWM, reset phase
+
+// 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
+
+// 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 PWM1_PIN PB3        // pin 16, Opamp reference
-#define PWM1_LVL OCR1A      // OCR1A is the output compare register for PB3
-
-#define LED_ENABLE_PIN  PB0    // pin 19, Opamp power
-#define LED_ENABLE_PORT PORTB  // control port for PB0
+#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
@@ -78,7 +111,7 @@
 // Raw ADC readings at 4.4V and 2.2V
 // calibrate the voltage readout here
 // estimated / calculated values are:
-//   (voltage - D1) * (R2/(R2+R1) * 256 / 1.1)
+//   (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
@@ -97,39 +130,41 @@
 #define AUXLED_RGB_DDR  DDRA   // DDRA or DDRB or DDRC
 #define AUXLED_RGB_PUE  PUEA   // PUEA or PUEB or PUEC
 
-// 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);
-  // aux R/G/B
-  DDRA = (1 << AUXLED_R_PIN)
-       | (1 << AUXLED_G_PIN)
-       | (1 << AUXLED_B_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]: 0,0,1,1: PWM, Phase Correct, 10-bit (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]:    0,0: PWM OC1B disabled (DS table 12-4)
-  TCCR1A  = (1<<WGM11)  | (1<<WGM10)   // 10-bit (TOP=0x03FF) (DS table 12-5)
-          | (1<<COM1A1) | (0<<COM1A0)  // PWM 1A in normal direction (DS table 12-4)
-          | (0<<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)
-          ;
-
-  // 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);
+    // aux R/G/B
+    DDRA = (1 << AUXLED_R_PIN)
+         | (1 << AUXLED_G_PIN)
+         | (1 << AUXLED_B_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]: 0,0,1,1: PWM, Phase Correct, 10-bit (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]:    0,0: PWM OC1B disabled (DS table 12-4)
+    TCCR1A  = (1<<WGM11)  | (1<<WGM10)   // 10-bit (TOP=0x03FF) (DS table 12-5)
+            | (1<<COM1A1) | (0<<COM1A0)  // PWM 1A in normal direction (DS table 12-4)
+            | (0<<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)
+            ;
+
+    // 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