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-rw-r--r--hwdef-Emisar_D4Sv2-tintramp.h22
1 files changed, 14 insertions, 8 deletions
diff --git a/hwdef-Emisar_D4Sv2-tintramp.h b/hwdef-Emisar_D4Sv2-tintramp.h
index 1b24238..2b36ed4 100644
--- a/hwdef-Emisar_D4Sv2-tintramp.h
+++ b/hwdef-Emisar_D4Sv2-tintramp.h
@@ -40,11 +40,12 @@
#define ATTINY 1634
#include <avr/io.h>
-#define PWM_CHANNELS 2 // 1 for main LEDs, 1 for 2nd LEDs
+#define PWM_CHANNELS 1 // 1 virtual channel (1 for main LEDs + 1 for 2nd LEDs)
#define PWM_BITS 12 // 0 to 4095 at 1 kHz, not 0 to 255 at 16 kHz
#define PWM_TOP 4095
-// TODO: dynamic PWM with tint ramping
-//#define USE_DYN_PWM // dynamic frequency and speed
+// dynamic PWM with tint ramping
+#define USE_DYN_PWM // dynamic frequency and speed
+#define PWM_DATATYPE2 uint16_t // doesn't need 32-bit math
#define SWITCH_PIN PA7 // pin 20
#define SWITCH_PCINT PCINT7 // pin 20 pin change interrupt
@@ -53,15 +54,20 @@
#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 PWM1_LVL OCR1A // OCR1A is the output compare register for PB3
+#define TINT1_LVL OCR1A // OCR1A is the output compare register for PB3
#define PWM1_CNT TCNT1 // for dynamic PWM, reset phase
#define PWM2_PIN PA6 // pin 1, 2nd LED Opamp reference
-#define PWM2_LVL OCR1B // OCR1B is the output compare register for PA6
+#define TINT2_LVL OCR1B // OCR1B is the output compare register for PA6
-#define PWM3_PIN PC0 // pin 15, DD FET PWM
-#define PWM3_LVL OCR0A // OCR0A is the output compare register for PC0
+//#define PWM3_PIN PC0 // pin 15, DD FET PWM
+//#define PWM3_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
@@ -120,7 +126,7 @@
// ... so just hardcode it in each hwdef file instead
inline void hwdef_setup() {
// enable output ports
- DDRC = (1 << PWM3_PIN);
+ //DDRC = (1 << PWM3_PIN);
DDRB = (1 << PWM1_PIN);
DDRA = (1 << PWM2_PIN)
| (1 << AUXLED_R_PIN)
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