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inital encoder implementation

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This commit is contained in:
Jack Humbert 2018-06-03 21:55:07 -04:00
parent 018a0142d2
commit ff4a1ae5d2
11 changed files with 135 additions and 34 deletions
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6
common_features.mk
View File

@ -209,6 +209,12 @@ ifeq ($(strip $(I2C_SLAVE_ENABLE)), yes)
OPT_DEFS += -DI2C_SLAVE_ENABLE
endif
ifeq ($(strip $(ENCODER_ENABLE)), yes)
OPT_DEFS += -DENCODER_ENABLE
SRC += $(QUANTUM_DIR)/encoder.c
endif
QUANTUM_SRC:= \
$(QUANTUM_DIR)/quantum.c \
$(QUANTUM_DIR)/keymap_common.c \

3
keyboards/planck/light/rev1/config.h
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@ -41,5 +41,8 @@
#define DRIVER_2_LED_TOTAL 24
#define DRIVER_LED_TOTAL DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL
#define NUMBER_OF_ENCODERS 1
#define ENCODERS_PAD_A { F6 }
#define ENCODERS_PAD_B { F7 }
#endif

1
keyboards/planck/light/rev1/rules.mk
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@ -1,5 +1,6 @@
MIDI_ENABLE = yes
AUDIO_ENABLE = yes # Audio output on port C6
RGB_MATRIX_ENABLE = yes
ENCODER_ENABLE = yes
MCU = at90usb1286

6
keyboards/planck/light/rev2/config.h
View File

@ -52,8 +52,12 @@
#undef AUDIO_VOICES
#undef C6_AUDIO
#define NUMBER_OF_ENCODERS 1
#define ENCODERS_PAD_A { B12 }
#define ENCODERS_PAD_B { B13 }
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
#define DEBOUNCE 6
#define DEBOUNCE 0
/* Prevent modifiers from being stuck on after layer changes. */
#define PREVENT_STUCK_MODIFIERS

31
keyboards/planck/light/rev2/matrix.c
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@ -21,10 +21,6 @@ static matrix_row_t matrix_debouncing[MATRIX_COLS];
static bool debouncing = false;
static uint16_t debouncing_time = 0;
static uint8_t encoder_state = 0;
static int8_t encoder_value = 0;
static int8_t encoder_LUT[] = { 0, -1, 1, 0, 1, 0, 0, -1, -1, 0, 0, 1, 0, 1, -1, 0 };
static LINE_TYPE matrix_col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
static LINE_TYPE matrix_row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
@ -48,12 +44,6 @@ void matrix_init(void) {
printf("matrix init\n");
//debug_matrix = true;
// encoder setup
palSetPadMode(GPIOB, 12, PAL_MODE_INPUT_PULLUP);
palSetPadMode(GPIOB, 13, PAL_MODE_INPUT_PULLUP);
encoder_state = (palReadPad(GPIOB, 12) << 0) | (palReadPad(GPIOB, 13) << 1);
// actual matrix setup
for (int i = 0; i < MATRIX_COLS; i++) {
setPadMode(matrix_col_pins[i], PAL_MODE_OUTPUT_PUSHPULL);
@ -69,29 +59,8 @@ void matrix_init(void) {
matrix_init_quantum();
}
__attribute__ ((weak))
void encoder_update(bool clockwise) { }
#ifndef ENCODER_RESOLUTION
#define ENCODER_RESOLUTION 4
#endif
#define COUNTRECLOCKWISE 0
#define CLOCKWISE 1
uint8_t matrix_scan(void) {
// encoder on B12 and B13
encoder_state <<= 2;
encoder_state |= (palReadPad(GPIOB, 12) << 0) | (palReadPad(GPIOB, 13) << 1);
encoder_value += encoder_LUT[encoder_state & 0xF];
if (encoder_value >= ENCODER_RESOLUTION) {
encoder_update(COUNTRECLOCKWISE);
}
if (encoder_value <= -ENCODER_RESOLUTION) { // direction is arbitrary here, but this clockwise
encoder_update(CLOCKWISE);
}
encoder_value %= ENCODER_RESOLUTION;
// actual matrix
for (int col = 0; col < MATRIX_COLS; col++) {

1
keyboards/planck/light/rev2/rules.mk
View File

@ -53,4 +53,5 @@ NKRO_ENABLE = yes # USB Nkey Rollover
CUSTOM_MATRIX = yes # Custom matrix file
AUDIO_ENABLE = yes
RGB_MATRIX_ENABLE = yes
ENCODER_ENABLE = yes
# SERIAL_LINK_ENABLE = yes

14
quantum/config_common.h
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@ -1,4 +1,4 @@
/* Copyright 2015-2017 Jack Humbert
/* Copyright 2015-2018 Jack Humbert
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -23,6 +23,7 @@
#define CUSTOM_MATRIX 2 /* Disables built-in matrix scanning code */
#ifdef __AVR__
#include <avr/io.h>
#define LINE_TYPE uint8_t
/* I/O pins */
@ -76,6 +77,15 @@
#define A6 0x06
#define A7 0x07
#endif
#define setPadMode(line, mode) _SFR_IO8((line >> 4) + 1) mode _BV(line & 0xF)
#define setPad(line) _SFR_IO8((line >> 4) + 2) |= _BV(line & 0xF)
#define clearPad(line) _SFR_IO8((line >> 4) + 2) &= ~_BV(line & 0xF)
#define readPad(line) (_SFR_IO8(line >> 4) & _BV(line & 0xF))
#define PAD_MODE_INPUT &= ~
#define PAD_MODE_OUTPUT |=
#else
#include "hal.h"
@ -182,6 +192,8 @@
#define setPad(line) palSetPad(PAL_PORT(line), PAL_PAD(line))
#define clearPad(line) palClearPad(PAL_PORT(line), PAL_PAD(line))
#define readPad(line) palReadPad(PAL_PORT(line), PAL_PAD(line))
#define PAD_MODE_INPUT PAL_MODE_INPUT_PULLUP
#endif

67
quantum/encoder.c Normal file
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@ -0,0 +1,67 @@
/*
* Copyright 2018 Jack Humbert <jack.humb@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "encoder.h"
#include <stdbool.h>
#ifndef ENCODER_RESOLUTION
#define ENCODER_RESOLUTION 4
#endif
#if !defined(ENCODERS_PAD_A) || !defined(ENCODERS_PAD_B)
#error "No encoder pads defined by ENCODERS_PAD_A and ENCODERS_PAD_B"
#endif
static LINE_TYPE encoders_pad_a[NUMBER_OF_ENCODERS] = ENCODERS_PAD_A;
static LINE_TYPE encoders_pad_b[NUMBER_OF_ENCODERS] = 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[NUMBER_OF_ENCODERS] = {0};
static int8_t encoder_value[NUMBER_OF_ENCODERS] = {0};
__attribute__ ((weak))
void encoder_update_user(bool clockwise) { }
__attribute__ ((weak))
void encoder_update_kb(bool clockwise) {
encoder_update_user(clockwise);
}
void encoder_init(void) {
for (int i = 0; i < NUMBER_OF_ENCODERS; i++) {
setPadMode(encoders_pad_a[i], PAD_MODE_INPUT);
setPadMode(encoders_pad_b[i], PAD_MODE_INPUT);
encoder_state[i] = (readPad(encoders_pad_a[i]) << 0) | (readPad(encoders_pad_b[i]) << 1);
}
}
void encoder_read(void) {
for (int i = 0; i < NUMBER_OF_ENCODERS; i++) {
encoder_state[i] <<= 2;
encoder_state[i] |= (readPad(encoders_pad_a[i]) << 0) | (readPad(encoders_pad_b[i]) << 1);
encoder_value[i] += encoder_LUT[encoder_state[i] & 0xF];
if (encoder_value[i] >= ENCODER_RESOLUTION) {
encoder_update_kb(COUNTRECLOCKWISE);
}
if (encoder_value[i] <= -ENCODER_RESOLUTION) { // direction is arbitrary here, but this clockwise
encoder_update_kb(CLOCKWISE);
}
encoder_value[i] %= ENCODER_RESOLUTION;
}
}

27
quantum/encoder.h Normal file
View File

@ -0,0 +1,27 @@
/*
* Copyright 2018 Jack Humbert <jack.humb@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ENCODER_H
#define ENCODER_H
#define COUNTRECLOCKWISE 0
#define CLOCKWISE 1
void encoder_init(void);
void encoder_read(void);
#endif

7
quantum/quantum.c
View File

@ -851,6 +851,9 @@ void matrix_init_quantum() {
#ifdef RGB_MATRIX_ENABLE
rgb_matrix_init_drivers();
#endif
#ifdef ENCODER_ENABLE
encoder_init();
#endif
matrix_init_kb();
}
@ -885,6 +888,10 @@ void matrix_scan_quantum() {
rgb_matrix_task_counter = ((rgb_matrix_task_counter + 1) % (RGB_MATRIX_SKIP_FRAMES + 1));
#endif
#ifdef ENCODER_ENABLE
encoder_read();
#endif
matrix_scan_kb();
}
#if defined(BACKLIGHT_ENABLE) && defined(BACKLIGHT_PIN)

4
quantum/quantum.h
View File

@ -121,6 +121,10 @@ extern uint32_t default_layer_state;
#include "process_terminal_nop.h"
#endif
#ifdef ENCODER_ENABLE
#include "encoder.h"
#endif
#ifndef MIN
#define MAX(x, y) (((x) > (y)) ? (x) : (y))
#define MIN(x, y) (((x) < (y)) ? (x) : (y))