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-rw-r--r--keyboards/sol/common/knob_v2.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/keyboards/sol/common/knob_v2.c b/keyboards/sol/common/knob_v2.c
deleted file mode 100644
index f22f7c5d8..000000000
--- 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;
-}