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Add encoder abstraction. (#21548)

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Nick Brassel 2024-02-18 21:17:15 +11:00 • committed by GitHub
parent 2eb9ff8efd
commit 9d9cdaaa2d
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50 changed files with 863 additions and 653 deletions
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8
keyboards/pica40/rev2/post_rules.mk
View file

@ -1,8 +0,0 @@
# if ENCODER_ENABLE is set, add defines but avoid adding encoder.c as it's replaced by custom code in rev2.c
ifeq ($(strip $(ENCODER_ENABLE)), yes)
ENCODER_ENABLE := no
OPT_DEFS += -DENCODER_ENABLE
ifeq ($(strip $(ENCODER_MAP_ENABLE)), yes)
OPT_DEFS += -DENCODER_MAP_ENABLE
endif
endif

98
keyboards/pica40/rev2/rev2.c
View file

@ -2,99 +2,29 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include "rev2.h"
#include "gpio.h"
#ifdef ENCODER_ENABLE // code based on encoder.c
static const pin_t encoders_pad_a[] = ENCODERS_PAD_A;
static const pin_t encoders_pad_b[] = ENCODERS_PAD_B;
static int8_t encoder_LUT[] = {0, -1, 1, 0, 1, 0, 0, -1, -1, 0, 0, 1, 0, 1, -1, 0};
static uint8_t encoder_state = 3;
static int8_t encoder_pulses = 0;
static uint8_t encoder_value = 0;
typedef struct encoder_sync_data {
int value;
} encoder_sync_data;
#define ENCODER_PIN_A (((pin_t[])ENCODERS_PAD_A)[0])
#define ENCODER_PIN_B (((pin_t[])ENCODERS_PAD_B)[0])
// custom handler that returns encoder B pin status from slave side
void encoder_sync_slave_handler(uint8_t in_buflen, const void *in_data, uint8_t out_buflen, void *out_data) {
encoder_sync_data *data = (encoder_sync_data *)out_data;
data->value = readPin(encoders_pad_b[0]);
*(uint8_t *)out_data = readPin(ENCODER_PIN_B) ? 1 : 0;
}
__attribute__((weak)) bool encoder_update_user(uint8_t index, bool clockwise) {
return true;
}
void encoder_quadrature_init_pin(uint8_t index, bool pad_b) {}
bool encoder_update_kb(uint8_t index, bool clockwise) {
if (!encoder_update_user(index, clockwise)) return false;
tap_code(clockwise ? KC_VOLU : KC_VOLD);
return false;
}
#ifdef ENCODER_MAP_ENABLE
static void encoder_exec_mapping(uint8_t index, bool clockwise) {
action_exec(clockwise ? ENCODER_CW_EVENT(index, true) : ENCODER_CCW_EVENT(index, true));
wait_ms(ENCODER_MAP_KEY_DELAY);
action_exec(clockwise ? ENCODER_CW_EVENT(index, false) : ENCODER_CCW_EVENT(index, false));
wait_ms(ENCODER_MAP_KEY_DELAY);
}
#endif // ENCODER_MAP_ENABLE
void encoder_init(void) {
setPinInputHigh(encoders_pad_a[0]);
setPinInputHigh(encoders_pad_b[0]);
wait_us(100);
transaction_register_rpc(ENCODER_SYNC, encoder_sync_slave_handler);
}
bool encoder_read(void) {
// ignore if running on slave side
if (!is_keyboard_master()) return false;
bool changed = false;
encoder_sync_data data = {0};
// request pin B status from slave side
if (transaction_rpc_recv(ENCODER_SYNC, sizeof(data), &data)) {
uint8_t new_status = (readPin(encoders_pad_a[0]) << 0) | (data.value << 1);
if ((encoder_state & 0x3) != new_status) {
encoder_state <<= 2;
encoder_state |= new_status;
encoder_pulses += encoder_LUT[encoder_state & 0xF];
if (encoder_pulses >= ENCODER_RESOLUTION) {
encoder_value++;
changed = true;
#ifdef ENCODER_MAP_ENABLE
encoder_exec_mapping(0, false);
#else // ENCODER_MAP_ENABLE
encoder_update_kb(0, false);
#endif // ENCODER_MAP_ENABLE
}
if (encoder_pulses <= -ENCODER_RESOLUTION) {
encoder_value--;
changed = true;
#ifdef ENCODER_MAP_ENABLE
encoder_exec_mapping(0, true);
#else // ENCODER_MAP_ENABLE
encoder_update_kb(0, true);
#endif // ENCODER_MAP_ENABLE
}
encoder_pulses %= ENCODER_RESOLUTION;
}
uint8_t encoder_quadrature_read_pin(uint8_t index, bool pad_b) {
if(pad_b) {
uint8_t data = 0;
transaction_rpc_recv(ENCODER_SYNC, sizeof(data), &data);
return data;
}
return changed;
return readPin(ENCODER_PIN_A) ? 1 : 0;
}
// do not use standard split encoder transactions
void encoder_state_raw(uint8_t *slave_state) {}
void encoder_update_raw(uint8_t *slave_state) {}
#endif // ENCODER_ENABLE
#ifdef PICA40_RGBLIGHT_TIMEOUT
@ -125,6 +55,12 @@ bool should_set_rgblight = false;
void keyboard_post_init_kb(void) {
setPinOutput(PICA40_RGB_POWER_PIN);
#ifdef ENCODER_ENABLE
setPinInputHigh(ENCODER_PIN_A);
setPinInputHigh(ENCODER_PIN_B);
transaction_register_rpc(ENCODER_SYNC, encoder_sync_slave_handler);
#endif // ENCODER_ENABLE
#ifdef PICA40_RGBLIGHT_TIMEOUT
idle_timer = timer_read();
check_rgblight_timer = timer_read();