diff options
Diffstat (limited to 'keyboards/sol/common')
| -rw-r--r-- | keyboards/sol/common/knob_v2.c | 71 | ||||
| -rw-r--r-- | keyboards/sol/common/knob_v2.h | 28 |
2 files changed, 0 insertions, 99 deletions
diff --git a/keyboards/sol/common/knob_v2.c b/keyboards/sol/common/knob_v2.c deleted file mode 100644 index f22f7c5d86..0000000000 --- a/keyboards/sol/common/knob_v2.c +++ /dev/null @@ -1,71 +0,0 @@ -#include "knob_v2.h" - -bool knob_prev_a = false; -static knob_report_t knob_report = {.dir = 0, .phase = 0}; - -void knob_init(void) { - // I use pins D1 (ISR1) & D4 for a knob. - - // Set pin mode for D4 as input. - DDRD &= ~(0UL << ENCODER_PIN_2); - - // Enable internal pull-up for D4. - // This is done by "writing" 1 to a pin that has its mode set to input. - PORTD |= (1 << ENCODER_PIN_2); - - // Enable interrupt for D1 - // For more info on the below flags see this awesome section 11.1 (pages 89-90) here: - // https://cdn-shop.adafruit.com/datasheets/atmel-7766-8-bit-avr-atmega16u4-32u4_datasheet.pdf - // Set pin mode & pull-up. - DDRD &= ~(0UL << ENCODER_PIN_1); - PORTD |= (1UL << ENCODER_PIN_1); - - // INT: 33221100 - EICRA |= 0b00010000; // 0b01 - any edge - // INT: 6 3210 - EIMSK |= 0b00000100; -} - -ISR(ENCODER_INT) { - bool a = PIND & (1 << ENCODER_PIN_1); - - if (knob_prev_a != a) { - // "A" channel has REALLY changed. - knob_report.phase = a; - knob_prev_a = a; - bool b = PIND & (1 << ENCODER_PIN_2); - if (a == b) { - // Halfway through CCW rotation (A == B) - // - // +---YOU ARE HERE (A=1, B=1) - // | +---OR HERE (A=0, B=0) - // | | - // v v - // A: _____/^^^^^\__ - // B: __/^^^^^\_____ - knob_report.dir++; - } else { - // Halfway through CW rotation (A != B) - // - // +---YOU ARE HERE (A=1, B=0) - // | +---OR HERE (A=0, B=1) - // | | - // v v - // A: _____/^^^^^\_____ - // B: ________/^^^^^\__ - knob_report.dir--; - } - } -} - -knob_report_t knob_report_read(void) { - // Return knob report. - return knob_report; -} - -void knob_report_reset(void) { - // Call this ASAP once you've processed the previous knob report. - // TODO: This should probably be called within `knob_report_read`. - knob_report.dir = 0; - knob_report.phase = 0; -} diff --git a/keyboards/sol/common/knob_v2.h b/keyboards/sol/common/knob_v2.h deleted file mode 100644 index 45196eb1a6..0000000000 --- a/keyboards/sol/common/knob_v2.h +++ /dev/null @@ -1,28 +0,0 @@ -// Rotary knob implementation - Version 2. -// Uses 2 digital pins - D2 (via interrupt) & D6. -// #include "rev1.h" -#include <avr/io.h> -#include <avr/interrupt.h> -#include <stdbool.h> - -#ifndef ENCODER_PIN_1 - #define ENCODER_PIN_1 PD2 -#endif -#ifndef ENCODER_PIN_2 - #define ENCODER_PIN_2 PD6 -#endif -#ifndef ENCODER_INT - #define ENCODER_INT INT2_vect -#endif - -typedef struct knob_report_t { - int8_t dir; // Contains number of rotations that happened - int8_t phase; // Contains 0 if last rotation happened on 90 degrees, 1 if on 270 -} knob_report_t; - -void knob_init(void); -knob_report_t knob_report_read(void); -void knob_report_reset(void); - -bool knob_prev_a; -int8_t knob_dir; |