qmk

Unnamed repository; edit this file 'description' to name the repository.
git clone git://git.z3bra.org/qmk.git
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commit 99da48c72b90e11e5ef945263530c6f8746848fd
parent 4cc1edbb67beecd0081fb84d3b5365e55d1a41e1
Author: eucalyn <hi.eucalyn@gmail.com>
Date:   Mon, 20 Aug 2018 05:26:42 +0900

Keyboard: add mint60 keyboard (#3543)

* add mint60

* change source by reviews

Diffstat:
keyboards/mint60/config.h | 235+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/i2c.c | 162+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/i2c.h | 49+++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/info.json | 0
keyboards/mint60/keymaps/default/config.h | 23+++++++++++++++++++++++
keyboards/mint60/keymaps/default/keymap.c | 104+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/keymaps/default/readme.md | 1+
keyboards/mint60/keymaps/eucalyn/config.h | 23+++++++++++++++++++++++
keyboards/mint60/keymaps/eucalyn/keymap.c | 104+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/keymaps/eucalyn/readme.md | 3+++
keyboards/mint60/matrix.c | 349+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/mint60.c | 43+++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/mint60.h | 59+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/readme.md | 15+++++++++++++++
keyboards/mint60/rules.mk | 78++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/serial.c | 295+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/serial.h | 27+++++++++++++++++++++++++++
keyboards/mint60/serial_config.h | 16++++++++++++++++
keyboards/mint60/split_util.c | 70++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
keyboards/mint60/split_util.h | 19+++++++++++++++++++
20 files changed, 1675 insertions(+), 0 deletions(-)

diff --git a/keyboards/mint60/config.h b/keyboards/mint60/config.h @@ -0,0 +1,235 @@ +/* +Copyright 2018 Eucalyn + +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/>. +*/ + +#pragma once + +#include "config_common.h" +#include <serial_config.h> + + +/* USB Device descriptor parameter */ +#define VENDOR_ID 0xFEED +#define PRODUCT_ID 0x0000 +#define DEVICE_VER 0x0001 +#define MANUFACTURER Eucalyn +#define PRODUCT Mint60 +#define DESCRIPTION A row staggered split keyboard + +#define PREVENT_STUCK_MODIFIERS +#define TAPPING_FORCE_HOLD +#define TAPPING_TERM 100 + +/* key matrix size */ +#define MATRIX_ROWS 10 +#define MATRIX_COLS 8 + +/* + * Keyboard Matrix Assignments + * + * Change this to how you wired your keyboard + * COLS: AVR pins used for columns, left to right + * ROWS: AVR pins used for rows, top to bottom + * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode) + * ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode) + * +*/ +#define MATRIX_ROW_PINS { C6, D7, E6, B4, B5 } +#define MATRIX_COL_PINS { D4, B3, B1, F7, B2, B6, F6, F5 } +#define UNUSED_PINS + +/* COL2ROW, ROW2COL, or CUSTOM_MATRIX */ +#define DIODE_DIRECTION COL2ROW + +// #define BACKLIGHT_PIN B7 +// #define BACKLIGHT_BREATHING +// #define BACKLIGHT_LEVELS 3 + + +/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */ +#define DEBOUNCING_DELAY 5 + +/* define if matrix has ghost (lacks anti-ghosting diodes) */ +//#define MATRIX_HAS_GHOST + +/* number of backlight levels */ + +/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ +#define LOCKING_SUPPORT_ENABLE +/* Locking resynchronize hack */ +#define LOCKING_RESYNC_ENABLE + +/* If defined, GRAVE_ESC will always act as ESC when CTRL is held. + * This is userful for the Windows task manager shortcut (ctrl+shift+esc). + */ +// #define GRAVE_ESC_CTRL_OVERRIDE + +/* + * Force NKRO + * + * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved + * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the + * makefile for this to work.) + * + * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N) + * until the next keyboard reset. + * + * NKRO may prevent your keystrokes from being detected in the BIOS, but it is + * fully operational during normal computer usage. + * + * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N) + * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by + * bootmagic, NKRO mode will always be enabled until it is toggled again during a + * power-up. + * + */ +//#define FORCE_NKRO + +/* + * Magic Key Options + * + * Magic keys are hotkey commands that allow control over firmware functions of + * the keyboard. They are best used in combination with the HID Listen program, + * found here: https://www.pjrc.com/teensy/hid_listen.html + * + * The options below allow the magic key functionality to be changed. This is + * useful if your keyboard/keypad is missing keys and you want magic key support. + * + */ + +/* key combination for magic key command */ +#define IS_COMMAND() ( \ + keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \ +) + +/* control how magic key switches layers */ +//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS true +//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS true +//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM false + +/* override magic key keymap */ +//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS +//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS +//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM +//#define MAGIC_KEY_HELP1 H +//#define MAGIC_KEY_HELP2 SLASH +//#define MAGIC_KEY_DEBUG D +//#define MAGIC_KEY_DEBUG_MATRIX X +//#define MAGIC_KEY_DEBUG_KBD K +//#define MAGIC_KEY_DEBUG_MOUSE M +//#define MAGIC_KEY_VERSION V +//#define MAGIC_KEY_STATUS S +//#define MAGIC_KEY_CONSOLE C +//#define MAGIC_KEY_LAYER0_ALT1 ESC +//#define MAGIC_KEY_LAYER0_ALT2 GRAVE +//#define MAGIC_KEY_LAYER0 0 +//#define MAGIC_KEY_LAYER1 1 +//#define MAGIC_KEY_LAYER2 2 +//#define MAGIC_KEY_LAYER3 3 +//#define MAGIC_KEY_LAYER4 4 +//#define MAGIC_KEY_LAYER5 5 +//#define MAGIC_KEY_LAYER6 6 +//#define MAGIC_KEY_LAYER7 7 +//#define MAGIC_KEY_LAYER8 8 +//#define MAGIC_KEY_LAYER9 9 +//#define MAGIC_KEY_BOOTLOADER PAUSE +//#define MAGIC_KEY_LOCK CAPS +//#define MAGIC_KEY_EEPROM E +//#define MAGIC_KEY_NKRO N +//#define MAGIC_KEY_SLEEP_LED Z + +/* ws2812 RGB LED */ +#define RGB_DI_PIN D3 +#define RGBLIGHT_TIMER +#define RGBLED_NUM 8 +#define ws2812_PORTREG PORTD +#define ws2812_DDRREG DDRD + +#define RGBLIGHT_HUE_STEP 10 +#define RGBLIGHT_SAT_STEP 17 + +#define RGBLIGHT_ANIMATIONS + + + +/* + * Feature disable options + * These options are also useful to firmware size reduction. + */ + +/* disable debug print */ +//#define NO_DEBUG + +/* disable print */ +//#define NO_PRINT + +/* disable action features */ +//#define NO_ACTION_LAYER +//#define NO_ACTION_TAPPING +//#define NO_ACTION_ONESHOT +//#define NO_ACTION_MACRO +//#define NO_ACTION_FUNCTION + +/* + * MIDI options + */ + +/* Prevent use of disabled MIDI features in the keymap */ +//#define MIDI_ENABLE_STRICT 1 + +/* enable basic MIDI features: + - MIDI notes can be sent when in Music mode is on +*/ +//#define MIDI_BASIC + +/* enable advanced MIDI features: + - MIDI notes can be added to the keymap + - Octave shift and transpose + - Virtual sustain, portamento, and modulation wheel + - etc. +*/ +//#define MIDI_ADVANCED + +/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */ +//#define MIDI_TONE_KEYCODE_OCTAVES 1 + +/* + * HD44780 LCD Display Configuration + */ +/* +#define LCD_LINES 2 //< number of visible lines of the display +#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display + +#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode + +#if LCD_IO_MODE +#define LCD_PORT PORTB //< port for the LCD lines +#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0 +#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1 +#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2 +#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3 +#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0 +#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1 +#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2 +#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3 +#define LCD_RS_PORT LCD_PORT //< port for RS line +#define LCD_RS_PIN 3 //< pin for RS line +#define LCD_RW_PORT LCD_PORT //< port for RW line +#define LCD_RW_PIN 2 //< pin for RW line +#define LCD_E_PORT LCD_PORT //< port for Enable line +#define LCD_E_PIN 1 //< pin for Enable line +#endif +*/ diff --git a/keyboards/mint60/i2c.c b/keyboards/mint60/i2c.c @@ -0,0 +1,162 @@ +#include <util/twi.h> +#include <avr/io.h> +#include <stdlib.h> +#include <avr/interrupt.h> +#include <util/twi.h> +#include <stdbool.h> +#include "i2c.h" + +#ifdef USE_I2C + +// Limits the amount of we wait for any one i2c transaction. +// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is +// 9 bits, a single transaction will take around 90μs to complete. +// +// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit +// poll loop takes at least 8 clock cycles to execute +#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8 + +#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE) + +volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; + +static volatile uint8_t slave_buffer_pos; +static volatile bool slave_has_register_set = false; + +// Wait for an i2c operation to finish +inline static +void i2c_delay(void) { + uint16_t lim = 0; + while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT) + lim++; + + // easier way, but will wait slightly longer + // _delay_us(100); +} + +// Setup twi to run at 100kHz or 400kHz (see ./i2c.h SCL_CLOCK) +void i2c_master_init(void) { + // no prescaler + TWSR = 0; + // Set TWI clock frequency to SCL_CLOCK. Need TWBR>10. + // Check datasheets for more info. + TWBR = ((F_CPU/SCL_CLOCK)-16)/2; +} + +// Start a transaction with the given i2c slave address. The direction of the +// transfer is set with I2C_READ and I2C_WRITE. +// returns: 0 => success +// 1 => error +uint8_t i2c_master_start(uint8_t address) { + TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTA); + + i2c_delay(); + + // check that we started successfully + if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START)) + return 1; + + TWDR = address; + TWCR = (1<<TWINT) | (1<<TWEN); + + i2c_delay(); + + if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) ) + return 1; // slave did not acknowledge + else + return 0; // success +} + + +// Finish the i2c transaction. +void i2c_master_stop(void) { + TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO); + + uint16_t lim = 0; + while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT) + lim++; +} + +// Write one byte to the i2c slave. +// returns 0 => slave ACK +// 1 => slave NACK +uint8_t i2c_master_write(uint8_t data) { + TWDR = data; + TWCR = (1<<TWINT) | (1<<TWEN); + + i2c_delay(); + + // check if the slave acknowledged us + return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1; +} + +// Read one byte from the i2c slave. If ack=1 the slave is acknowledged, +// if ack=0 the acknowledge bit is not set. +// returns: byte read from i2c device +uint8_t i2c_master_read(int ack) { + TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA); + + i2c_delay(); + return TWDR; +} + +void i2c_reset_state(void) { + TWCR = 0; +} + +void i2c_slave_init(uint8_t address) { + TWAR = address << 0; // slave i2c address + // TWEN - twi enable + // TWEA - enable address acknowledgement + // TWINT - twi interrupt flag + // TWIE - enable the twi interrupt + TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN); +} + +ISR(TWI_vect); + +ISR(TWI_vect) { + uint8_t ack = 1; + switch(TW_STATUS) { + case TW_SR_SLA_ACK: + // this device has been addressed as a slave receiver + slave_has_register_set = false; + break; + + case TW_SR_DATA_ACK: + // this device has received data as a slave receiver + // The first byte that we receive in this transaction sets the location + // of the read/write location of the slaves memory that it exposes over + // i2c. After that, bytes will be written at slave_buffer_pos, incrementing + // slave_buffer_pos after each write. + if(!slave_has_register_set) { + slave_buffer_pos = TWDR; + // don't acknowledge the master if this memory loctaion is out of bounds + if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) { + ack = 0; + slave_buffer_pos = 0; + } + slave_has_register_set = true; + } else { + i2c_slave_buffer[slave_buffer_pos] = TWDR; + BUFFER_POS_INC(); + } + break; + + case TW_ST_SLA_ACK: + case TW_ST_DATA_ACK: + // master has addressed this device as a slave transmitter and is + // requesting data. + TWDR = i2c_slave_buffer[slave_buffer_pos]; + BUFFER_POS_INC(); + break; + + case TW_BUS_ERROR: // something went wrong, reset twi state + TWCR = 0; + default: + break; + } + // Reset everything, so we are ready for the next TWI interrupt + TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN); +} +#endif diff --git a/keyboards/mint60/i2c.h b/keyboards/mint60/i2c.h @@ -0,0 +1,49 @@ +#ifndef I2C_H +#define I2C_H + +#include <stdint.h> + +#ifndef F_CPU +#define F_CPU 16000000UL +#endif + +#define I2C_READ 1 +#define I2C_WRITE 0 + +#define I2C_ACK 1 +#define I2C_NACK 0 + +#define SLAVE_BUFFER_SIZE 0x10 + +// i2c SCL clock frequency 400kHz +#define SCL_CLOCK 400000L + +extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; + +void i2c_master_init(void); +uint8_t i2c_master_start(uint8_t address); +void i2c_master_stop(void); +uint8_t i2c_master_write(uint8_t data); +uint8_t i2c_master_read(int); +void i2c_reset_state(void); +void i2c_slave_init(uint8_t address); + + +static inline unsigned char i2c_start_read(unsigned char addr) { + return i2c_master_start((addr << 1) | I2C_READ); +} + +static inline unsigned char i2c_start_write(unsigned char addr) { + return i2c_master_start((addr << 1) | I2C_WRITE); +} + +// from SSD1306 scrips +extern unsigned char i2c_rep_start(unsigned char addr); +extern void i2c_start_wait(unsigned char addr); +extern unsigned char i2c_readAck(void); +extern unsigned char i2c_readNak(void); +extern unsigned char i2c_read(unsigned char ack); + +#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak(); + +#endif diff --git a/keyboards/mint60/info.json b/keyboards/mint60/info.json diff --git a/keyboards/mint60/keymaps/default/config.h b/keyboards/mint60/keymaps/default/config.h @@ -0,0 +1,23 @@ +/* Copyright 2018 Eucalyn + * + * 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/>. + */ + +#pragma once + +/* Use I2C or Serial, not both */ +#define USE_SERIAL +// #define USE_I2C + +// #define MASTER_RIGHT diff --git a/keyboards/mint60/keymaps/default/keymap.c b/keyboards/mint60/keymaps/default/keymap.c @@ -0,0 +1,104 @@ +/* Copyright 2018 Eucalyn + * + * 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 QMK_KEYBOARD_H +#ifdef PROTOCOL_LUFA +#include "lufa.h" +#include "split_util.h" +#endif + +extern keymap_config_t keymap_config; + +#ifdef RGBLIGHT_ENABLE +//Following line allows macro to read current RGB settings +extern rgblight_config_t rgblight_config; +#endif + +// Fillers to make layering more clear +#define _______ KC_TRNS +#define XXXXXXX KC_NO + +enum custom_keycodes { + RGBRST +}; + + +const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { + [0] = LAYOUT( \ + KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, \ + KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, \ + KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, \ + KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_UP, MO(1), \ + KC_ESC, KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_BSPC, KC_ENT, LALT(KC_GRV), KC_LEFT,KC_DOWN,KC_RGHT \ + ), + [1] = LAYOUT( \ + KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_DEL, \ + RGB_TOG, RGBRST, RGB_HUI, RGB_SAI, RGB_VAI, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \ + XXXXXXX, RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \ + _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______, KC_PGUP, _______, \ + XXXXXXX, _______, _______, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_HOME, KC_PGDN, KC_END \ + ) +}; + +const uint16_t PROGMEM fn_actions[] = { + +}; + +// define variables for reactive RGB +bool TOG_STATUS = false; +int RGB_current_mode; + + +const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) +{ + // MACRODOWN only works in this function + switch(id) { + case 0: + if (record->event.pressed) { + register_code(KC_RSFT); + } else { + unregister_code(KC_RSFT); + } + break; + } + return MACRO_NONE; +}; + +bool process_record_user(uint16_t keycode, keyrecord_t *record) { + switch (keycode) { + case RGBRST: + #ifdef RGBLIGHT_ENABLE + if (record->event.pressed) { + eeconfig_update_rgblight_default(); + rgblight_enable(); + RGB_current_mode = rgblight_config.mode; + } + #endif + break; + } + return true; +} + +void matrix_init_user(void) { + +} + +void matrix_scan_user(void) { + +} + +void led_set_user(uint8_t usb_led) { + +} diff --git a/keyboards/mint60/keymaps/default/readme.md b/keyboards/mint60/keymaps/default/readme.md @@ -0,0 +1 @@ +# The default keymap for Mint60 diff --git a/keyboards/mint60/keymaps/eucalyn/config.h b/keyboards/mint60/keymaps/eucalyn/config.h @@ -0,0 +1,23 @@ +/* Copyright 2018 Eucalyn + * + * 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/>. + */ + +#pragma once + +/* Use I2C or Serial, not both */ +#define USE_SERIAL +// #define USE_I2C + +// #define MASTER_RIGHT diff --git a/keyboards/mint60/keymaps/eucalyn/keymap.c b/keyboards/mint60/keymaps/eucalyn/keymap.c @@ -0,0 +1,104 @@ +/* Copyright 2018 Eucalyn + * + * 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 QMK_KEYBOARD_H +#ifdef PROTOCOL_LUFA +#include "lufa.h" +#include "split_util.h" +#endif + +extern keymap_config_t keymap_config; + +#ifdef RGBLIGHT_ENABLE +//Following line allows macro to read current RGB settings +extern rgblight_config_t rgblight_config; +#endif + +// Fillers to make layering more clear +#define _______ KC_TRNS +#define XXXXXXX KC_NO + +enum custom_keycodes { + RGBRST +}; + + +const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { + [0] = LAYOUT( \ + KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, \ + KC_TAB, KC_Q, KC_W, KC_COMM, KC_DOT, KC_SCLN, KC_M, KC_R, KC_D, KC_Y, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, \ + KC_CAPS, KC_A, KC_O, KC_E, KC_I, KC_U, KC_G, KC_T, KC_K, KC_S, KC_N, KC_QUOT, KC_ENT, \ + KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_F, KC_B, KC_H, KC_J, KC_L, KC_SLSH, KC_RSFT, KC_UP, MO(1), \ + KC_ESC, KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_BSPC, KC_ENT, LALT(KC_GRV), KC_LEFT,KC_DOWN,KC_RGHT \ + ), + [1] = LAYOUT( \ + KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_DEL, \ + RGB_TOG, RGBRST, RGB_HUI, RGB_SAI, RGB_VAI, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \ + XXXXXXX, RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \ + _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______, KC_PGUP, _______, \ + XXXXXXX, _______, _______, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_HOME, KC_PGDN, KC_END \ + ) +}; + +const uint16_t PROGMEM fn_actions[] = { + +}; + +// define variables for reactive RGB +bool TOG_STATUS = false; +int RGB_current_mode; + + +const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) +{ + // MACRODOWN only works in this function + switch(id) { + case 0: + if (record->event.pressed) { + register_code(KC_RSFT); + } else { + unregister_code(KC_RSFT); + } + break; + } + return MACRO_NONE; +}; + +bool process_record_user(uint16_t keycode, keyrecord_t *record) { + switch (keycode) { + case RGBRST: + #ifdef RGBLIGHT_ENABLE + if (record->event.pressed) { + eeconfig_update_rgblight_default(); + rgblight_enable(); + RGB_current_mode = rgblight_config.mode; + } + #endif + break; + } + return true; +} + +void matrix_init_user(void) { + +} + +void matrix_scan_user(void) { + +} + +void led_set_user(uint8_t usb_led) { + +} diff --git a/keyboards/mint60/keymaps/eucalyn/readme.md b/keyboards/mint60/keymaps/eucalyn/readme.md @@ -0,0 +1,3 @@ +# The Eucalyn keymap for Mint60 + +It use "Eucalyn" Kemboard Layout. diff --git a/keyboards/mint60/matrix.c b/keyboards/mint60/matrix.c @@ -0,0 +1,349 @@ +/* +Copyright 2012 Jun Wako <wakojun@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/>. +*/ + +/* + * scan matrix + */ +#include <stdint.h> +#include <stdbool.h> +#include <avr/io.h> +#include <avr/wdt.h> +#include <avr/interrupt.h> +#include <util/delay.h> +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" +#include "split_util.h" +#include "pro_micro.h" + +#ifdef USE_I2C +# include "i2c.h" +#else // USE_SERIAL +# include "serial.h" +#endif + +#ifndef DEBOUNCE +# define DEBOUNCE 5 +#endif + +#define ERROR_DISCONNECT_COUNT 5 + +static uint8_t debouncing = DEBOUNCE; +static const int ROWS_PER_HAND = MATRIX_ROWS/2; +static uint8_t error_count = 0; +uint8_t is_master = 0 ; + +static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; +static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; + +/* matrix state(1:on, 0:off) */ +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; + +static matrix_row_t read_cols(void); +static void init_cols(void); +static void unselect_rows(void); +static void select_row(uint8_t row); +static uint8_t matrix_master_scan(void); + + +__attribute__ ((weak)) +void matrix_init_kb(void) { + matrix_init_user(); +} + +__attribute__ ((weak)) +void matrix_scan_kb(void) { + matrix_scan_user(); +} + +__attribute__ ((weak)) +void matrix_init_user(void) { +} + +__attribute__ ((weak)) +void matrix_scan_user(void) { +} + +inline +uint8_t matrix_rows(void) +{ + return MATRIX_ROWS; +} + +inline +uint8_t matrix_cols(void) +{ + return MATRIX_COLS; +} + +void matrix_init(void) +{ + debug_enable = true; + debug_matrix = true; + debug_mouse = true; + // initialize row and col + unselect_rows(); + init_cols(); + + TX_RX_LED_INIT; + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + matrix_debouncing[i] = 0; + } + + is_master = has_usb(); + + matrix_init_quantum(); +} + +uint8_t _matrix_scan(void) +{ + // Right hand is stored after the left in the matirx so, we need to offset it + int offset = isLeftHand ? 0 : (ROWS_PER_HAND); + + for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { + select_row(i); + _delay_us(30); // without this wait read unstable value. + matrix_row_t cols = read_cols(); + if (matrix_debouncing[i+offset] != cols) { + matrix_debouncing[i+offset] = cols; + debouncing = DEBOUNCE; + } + unselect_rows(); + } + + if (debouncing) { + if (--debouncing) { + _delay_ms(1); + } else { + for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { + matrix[i+offset] = matrix_debouncing[i+offset]; + } + } + } + + return 1; +} + +#ifdef USE_I2C + +// Get rows from other half over i2c +int i2c_transaction(void) { + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + + int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE); + if (err) goto i2c_error; + + // start of matrix stored at 0x00 + err = i2c_master_write(0x00); + if (err) goto i2c_error; + + // Start read + err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ); + if (err) goto i2c_error; + + if (!err) { + int i; + for (i = 0; i < ROWS_PER_HAND-1; ++i) { + matrix[slaveOffset+i] = i2c_master_read(I2C_ACK); + } + matrix[slaveOffset+i] = i2c_master_read(I2C_NACK); + i2c_master_stop(); + } else { +i2c_error: // the cable is disconnceted, or something else went wrong + i2c_reset_state(); + return err; + } + + return 0; +} + +#else // USE_SERIAL + +int serial_transaction(void) { + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + int ret=serial_update_buffers(); + if (ret ) { + if(ret==2)RXLED1; + return 1; + } +RXLED0; + for (int i = 0; i < ROWS_PER_HAND; ++i) { + matrix[slaveOffset+i] = serial_slave_buffer[i]; + } + return 0; +} +#endif + +uint8_t matrix_scan(void) +{ + if (is_master) { + matrix_master_scan(); + }else{ + matrix_slave_scan(); + +// if(serial_slave_DATA_CORRUPT()){ +// TXLED0; + int offset = (isLeftHand) ? ROWS_PER_HAND : 0; + + for (int i = 0; i < ROWS_PER_HAND; ++i) { + matrix[offset+i] = serial_master_buffer[i]; + } + +// }else{ +// TXLED1; +// } + + matrix_scan_quantum(); + } + return 1; +} + + +uint8_t matrix_master_scan(void) { + + int ret = _matrix_scan(); + +#ifndef KEYBOARD_helix_rev1 + int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; + +#ifdef USE_I2C +// for (int i = 0; i < ROWS_PER_HAND; ++i) { + /* i2c_slave_buffer[i] = matrix[offset+i]; */ +// i2c_slave_buffer[i] = matrix[offset+i]; +// } +#else // USE_SERIAL + for (int i = 0; i < ROWS_PER_HAND; ++i) { + serial_master_buffer[i] = matrix[offset+i]; + } +#endif +#endif + +#ifdef USE_I2C + if( i2c_transaction() ) { +#else // USE_SERIAL + if( serial_transaction() ) { +#endif + // turn on the indicator led when halves are disconnected + TXLED1; + + error_count++; + + if (error_count > ERROR_DISCONNECT_COUNT) { + // reset other half if disconnected + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + for (int i = 0; i < ROWS_PER_HAND; ++i) { + matrix[slaveOffset+i] = 0; + } + } + } else { + // turn off the indicator led on no error + TXLED0; + error_count = 0; + } + matrix_scan_quantum(); + return ret; +} + +void matrix_slave_scan(void) { + _matrix_scan(); + + int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; + +#ifdef USE_I2C + for (int i = 0; i < ROWS_PER_HAND; ++i) { + /* i2c_slave_buffer[i] = matrix[offset+i]; */ + i2c_slave_buffer[i] = matrix[offset+i]; + } +#else // USE_SERIAL + for (int i = 0; i < ROWS_PER_HAND; ++i) { + serial_slave_buffer[i] = matrix[offset+i]; + } +#endif +} + +bool matrix_is_modified(void) +{ + if (debouncing) return false; + return true; +} + +inline +bool matrix_is_on(uint8_t row, uint8_t col) +{ + return (matrix[row] & ((matrix_row_t)1<<col)); +} + +inline +matrix_row_t matrix_get_row(uint8_t row) +{ + return matrix[row]; +} + +void matrix_print(void) +{ + print("\nr/c 0123456789ABCDEF\n"); + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + phex(row); print(": "); + pbin_reverse16(matrix_get_row(row)); + print("\n"); + } +} + +uint8_t matrix_key_count(void) +{ + uint8_t count = 0; + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + count += bitpop16(matrix[i]); + } + return count; +} + +static void init_cols(void) +{ + for(int x = 0; x < MATRIX_COLS; x++) { + _SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF); + _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF); + } +} + +static matrix_row_t read_cols(void) +{ + matrix_row_t result = 0; + for(int x = 0; x < MATRIX_COLS; x++) { + result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x); + } + return result; +} + +static void unselect_rows(void) +{ + for(int x = 0; x < ROWS_PER_HAND; x++) { + _SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF); + _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF); + } +} + +static void select_row(uint8_t row) +{ + _SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF); + _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF); +} diff --git a/keyboards/mint60/mint60.c b/keyboards/mint60/mint60.c @@ -0,0 +1,43 @@ +/* Copyright 2018 Eucalyn + * + * 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 "mint60.h" + +void matrix_init_kb(void) { + // put your keyboard start-up code here + // runs once when the firmware starts up + + matrix_init_user(); +} + +void matrix_scan_kb(void) { + // put your looping keyboard code here + // runs every cycle (a lot) + + matrix_scan_user(); +} + +bool process_record_kb(uint16_t keycode, keyrecord_t *record) { + // put your per-action keyboard code here + // runs for every action, just before processing by the firmware + + return process_record_user(keycode, record); +} + +void led_set_kb(uint8_t usb_led) { + // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here + + led_set_user(usb_led); +} diff --git a/keyboards/mint60/mint60.h b/keyboards/mint60/mint60.h @@ -0,0 +1,59 @@ +/* Copyright 2018 Eucalyn + * + * 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 MINT60_H +#define MINT60_H + +#include "quantum.h" + +#ifdef RGBLIGHT_ENABLE +//rgb led driver +#include "ws2812.h" +#endif + +#ifdef USE_I2C +#include <stddef.h> +#ifdef __AVR__ + #include <avr/io.h> + #include <avr/interrupt.h> +#endif +#endif + + +// This a shortcut to help you visually see your layout. +// The following is an example using the Planck MIT layout +// The first section contains all of the arguments +// The second converts the arguments into a two-dimensional array +#define LAYOUT( \ + L00,L01,L02,L03,L04,L05, R00,R01,R02,R03,R04,R05,R06, R07, \ + L10, L11,L12,L13,L14,L15, R10,R11,R12,R13,R14,R15,R16,R17, \ + L20, L21,L22,L23,L24,L25, R20,R21,R22,R23,R24,R25, R27, \ + L30, L31,L32,L33,L34,L35, R30,R31,R32,R33,R34,R35,R36,R37, \ + L40,L41, L42, L43, L44, R40, R41, R43, R45,R46,R47 \ +) \ +{ \ + { L00, L01, L02, L03, L04, L05, KC_NO, KC_NO }, \ + { L10, L11, L12, L13, L14, L15, KC_NO, KC_NO }, \ + { L20, L21, L22, L23, L24, L25, KC_NO, KC_NO }, \ + { L30, L31, L32, L33, L34, L35, KC_NO, KC_NO }, \ + { L40, L41, L42, L43, L44, KC_NO, KC_NO, KC_NO }, \ + { R00, R01, R02, R03, R04, R05, R06, R07 }, \ + { R10, R11, R12, R13, R14, R15, R16, R17 }, \ + { R20, R21, R22, R23, R24, R25, KC_NO, R27 }, \ + { R30, R31, R32, R33, R34, R35, R36, R37 }, \ + { R40, R41, KC_NO, R43, KC_NO, R45, R46, R47 }, \ +} + +#endif diff --git a/keyboards/mint60/readme.md b/keyboards/mint60/readme.md @@ -0,0 +1,15 @@ +# Mint60 + +![Mint60](https://imgur.com/a/8xnTS4U) + +A short description of the keyboard/project + +Keyboard Maintainer: [Eucalyn](https://github.com/eucalyn) [@eucalyn_](https://twitter.com/eucalyn_) +Hardware Supported: The Mint60 PCBs, ProMicro supported +Hardware Availability: links to where you can find this hardware + +Make example for this keyboard (after setting up your build environment): + + make mint60:default + +See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information. diff --git a/keyboards/mint60/rules.mk b/keyboards/mint60/rules.mk @@ -0,0 +1,78 @@ +SRC += i2c.c \ + serial.c \ + matrix.c \ + split_util.c \ + +# MCU name +#MCU = at90usb1286 +MCU = atmega32u4 + +# Processor frequency. +# This will define a symbol, F_CPU, in all source code files equal to the +# processor frequency in Hz. You can then use this symbol in your source code to +# calculate timings. Do NOT tack on a 'UL' at the end, this will be done +# automatically to create a 32-bit value in your source code. +# +# This will be an integer division of F_USB below, as it is sourced by +# F_USB after it has run through any CPU prescalers. Note that this value +# does not *change* the processor frequency - it should merely be updated to +# reflect the processor speed set externally so that the code can use accurate +# software delays. +F_CPU = 16000000 + + +# +# LUFA specific +# +# Target architecture (see library "Board Types" documentation). +ARCH = AVR8 + +# Input clock frequency. +# This will define a symbol, F_USB, in all source code files equal to the +# input clock frequency (before any prescaling is performed) in Hz. This value may +# differ from F_CPU if prescaling is used on the latter, and is required as the +# raw input clock is fed directly to the PLL sections of the AVR for high speed +# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL' +# at the end, this will be done automatically to create a 32-bit value in your +# source code. +# +# If no clock division is performed on the input clock inside the AVR (via the +# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU. +F_USB = $(F_CPU) + +# Interrupt driven control endpoint task(+60) +OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT + + +# Boot Section Size in *bytes* +# Teensy halfKay 512 +# Teensy++ halfKay 1024 +# Atmel DFU loader 4096 +# LUFA bootloader 4096 +# USBaspLoader 2048 +OPT_DEFS += -DBOOTLOADER_SIZE=4096 + + +# Build Options +# change yes to no to disable +# +BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000) +MOUSEKEY_ENABLE = no # Mouse keys(+4700) +EXTRAKEY_ENABLE = no # Audio control and System control(+450) +CONSOLE_ENABLE = no # Console for debug(+400) +COMMAND_ENABLE = no # Commands for debug and configuration +# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE +SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend +# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work +NKRO_ENABLE = no # USB Nkey Rollover +BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality on B7 by default +MIDI_ENABLE = no # MIDI support (+2400 to 4200, depending on config) +UNICODE_ENABLE = no # Unicode +BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID +AUDIO_ENABLE = no # Audio output on port C6 +FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches +HD44780_ENABLE = no # Enable support for HD44780 based LCDs (+400) + +CUSTOM_MATRIX = yes +USE_I2C = yes +RGBLIGHT_ENABLE = yes # Enable WS2812 RGB underlight. Do not enable this with audio at the same time. diff --git a/keyboards/mint60/serial.c b/keyboards/mint60/serial.c @@ -0,0 +1,295 @@ +/* + * WARNING: be careful changing this code, it is very timing dependent + */ + +#ifndef F_CPU +#define F_CPU 16000000 +#endif + +#include <avr/io.h> +#include <avr/interrupt.h> +#include <util/delay.h> +#include <stdbool.h> +#include "serial.h" + +#ifdef USE_SERIAL + +#define _delay_sub_us(x) __builtin_avr_delay_cycles(x) + +// Serial pulse period in microseconds. +#define SELECT_SERIAL_SPEED 1 +#if SELECT_SERIAL_SPEED == 0 + // Very High speed + #define SERIAL_DELAY 4 // micro sec + #define READ_WRITE_START_ADJUST 30 // cycles + #define READ_WRITE_WIDTH_ADJUST 10 // cycles +#elif SELECT_SERIAL_SPEED == 1 + // High speed + #define SERIAL_DELAY 6 // micro sec + #define READ_WRITE_START_ADJUST 23 // cycles + #define READ_WRITE_WIDTH_ADJUST 10 // cycles +#elif SELECT_SERIAL_SPEED == 2 + // Middle speed + #define SERIAL_DELAY 12 // micro sec + #define READ_WRITE_START_ADJUST 25 // cycles + #define READ_WRITE_WIDTH_ADJUST 10 // cycles +#elif SELECT_SERIAL_SPEED == 3 + // Low speed + #define SERIAL_DELAY 24 // micro sec + #define READ_WRITE_START_ADJUST 25 // cycles + #define READ_WRITE_WIDTH_ADJUST 10 // cycles +#elif SELECT_SERIAL_SPEED == 4 + // Very Low speed + #define SERIAL_DELAY 50 // micro sec + #define READ_WRITE_START_ADJUST 25 // cycles + #define READ_WRITE_WIDTH_ADJUST 10 // cycles +#else +#error Illegal Serial Speed +#endif + + +#define SERIAL_DELAY_HALF1 (SERIAL_DELAY/2) +#define SERIAL_DELAY_HALF2 (SERIAL_DELAY - SERIAL_DELAY/2) + +#define SLAVE_INT_WIDTH 1 +#define SLAVE_INT_RESPONSE_TIME SERIAL_DELAY + +uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0}; +uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0}; + +#define SLAVE_DATA_CORRUPT (1<<0) +volatile uint8_t status = 0; + +inline static +void serial_delay(void) { + _delay_us(SERIAL_DELAY); +} + +inline static +void serial_delay_half1(void) { + _delay_us(SERIAL_DELAY_HALF1); +} + +inline static +void serial_delay_half2(void) { + _delay_us(SERIAL_DELAY_HALF2); +} + +inline static +void serial_output(void) { + SERIAL_PIN_DDR |= SERIAL_PIN_MASK; +} + +// make the serial pin an input with pull-up resistor +inline static +void serial_input_with_pullup(void) { + SERIAL_PIN_DDR &= ~SERIAL_PIN_MASK; + SERIAL_PIN_PORT |= SERIAL_PIN_MASK; +} + +inline static +uint8_t serial_read_pin(void) { + return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK); +} + +inline static +void serial_low(void) { + SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK; +} + +inline static +void serial_high(void) { + SERIAL_PIN_PORT |= SERIAL_PIN_MASK; +} + +void serial_master_init(void) { + serial_output(); + serial_high(); +} + +void serial_slave_init(void) { + serial_input_with_pullup(); + +#if SERIAL_PIN_MASK == _BV(PD0) + // Enable INT0 + EIMSK |= _BV(INT0); + // Trigger on falling edge of INT0 + EICRA &= ~(_BV(ISC00) | _BV(ISC01)); +#elif SERIAL_PIN_MASK == _BV(PD2) + // Enable INT2 + EIMSK |= _BV(INT2); + // Trigger on falling edge of INT2 + EICRA &= ~(_BV(ISC20) | _BV(ISC21)); +#else + #error unknown SERIAL_PIN_MASK value +#endif +} + +// Used by the sender to synchronize timing with the reciver. +static +void sync_recv(void) { + for (int i = 0; i < SERIAL_DELAY*5 && serial_read_pin(); i++ ) { + } + // This shouldn't hang if the slave disconnects because the + // serial line will float to high if the slave does disconnect. + while (!serial_read_pin()); +} + +// Used by the reciver to send a synchronization signal to the sender. +static +void sync_send(void) { + serial_low(); + serial_delay(); + serial_high(); +} + +// Reads a byte from the serial line +static +uint8_t serial_read_byte(void) { + uint8_t byte = 0; + _delay_sub_us(READ_WRITE_START_ADJUST); + for ( uint8_t i = 0; i < 8; ++i) { + serial_delay_half1(); // read the middle of pulses + byte = (byte << 1) | serial_read_pin(); + _delay_sub_us(READ_WRITE_WIDTH_ADJUST); + serial_delay_half2(); + } + return byte; +} + +// Sends a byte with MSB ordering +static +void serial_write_byte(uint8_t data) { + uint8_t b = 1<<7; + while( b ) { + if(data & b) { + serial_high(); + } else { + serial_low(); + } + b >>= 1; + serial_delay(); + } + serial_low(); // sync_send() / senc_recv() need raise edge +} + +// interrupt handle to be used by the slave device +ISR(SERIAL_PIN_INTERRUPT) { + serial_output(); + + // slave send phase + uint8_t checksum = 0; + for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) { + sync_send(); + serial_write_byte(serial_slave_buffer[i]); + checksum += serial_slave_buffer[i]; + } + sync_send(); + serial_write_byte(checksum); + + // slave switch to input + sync_send(); //0 + serial_delay_half1(); //1 + serial_low(); //2 + serial_input_with_pullup(); //2 + serial_delay_half1(); //3 + + // slave recive phase + uint8_t checksum_computed = 0; + for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) { + sync_recv(); + serial_master_buffer[i] = serial_read_byte(); + checksum_computed += serial_master_buffer[i]; + } + sync_recv(); + uint8_t checksum_received = serial_read_byte(); + + if ( checksum_computed != checksum_received ) { + status |= SLAVE_DATA_CORRUPT; + } else { + status &= ~SLAVE_DATA_CORRUPT; + } + + sync_recv(); //weit master output to high +} + +inline +bool serial_slave_DATA_CORRUPT(void) { + return status & SLAVE_DATA_CORRUPT; +} + +// Copies the serial_slave_buffer to the master and sends the +// serial_master_buffer to the slave. +// +// Returns: +// 0 => no error +// 1 => slave did not respond +// 2 => checksum error +int serial_update_buffers(void) { + // this code is very time dependent, so we need to disable interrupts + cli(); + + // signal to the slave that we want to start a transaction + serial_output(); + serial_low(); + _delay_us(SLAVE_INT_WIDTH); + + // wait for the slaves response + serial_input_with_pullup(); + _delay_us(SLAVE_INT_RESPONSE_TIME); + + // check if the slave is present + if (serial_read_pin()) { + // slave failed to pull the line low, assume not present + serial_output(); + serial_high(); + sei(); + return 1; + } + + // master recive phase + // if the slave is present syncronize with it + + uint8_t checksum_computed = 0; + // receive data from the slave + for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) { + sync_recv(); + serial_slave_buffer[i] = serial_read_byte(); + checksum_computed += serial_slave_buffer[i]; + } + sync_recv(); + uint8_t checksum_received = serial_read_byte(); + + if (checksum_computed != checksum_received) { + serial_output(); + serial_high(); + sei(); + return 2; + } + + // master switch to output + sync_recv(); //0 + serial_delay(); //1 + serial_low(); //3 + serial_output(); // 3 + serial_delay_half1(); //4 + + // master send phase + uint8_t checksum = 0; + + for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) { + sync_send(); + serial_write_byte(serial_master_buffer[i]); + checksum += serial_master_buffer[i]; + } + sync_send(); + serial_write_byte(checksum); + + // always, release the line when not in use + sync_send(); + + sei(); + return 0; +} + +#endif diff --git a/keyboards/mint60/serial.h b/keyboards/mint60/serial.h @@ -0,0 +1,27 @@ +#ifndef SOFT_SERIAL_H +#define SOFT_SERIAL_H + +#include <stdbool.h> + +// //////////////////////////////////////////// +// Need Soft Serial defines in serial_config.h +// //////////////////////////////////////////// +// ex. +// #define SERIAL_PIN_DDR DDRD +// #define SERIAL_PIN_PORT PORTD +// #define SERIAL_PIN_INPUT PIND +// #define SERIAL_PIN_MASK _BV(PD?) ?=0,2 +// #define SERIAL_PIN_INTERRUPT INT?_vect ?=0,2 +// #define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 +// #define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2 + +// Buffers for master - slave communication +extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH]; +extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH]; + +void serial_master_init(void); +void serial_slave_init(void); +int serial_update_buffers(void); +bool serial_slave_data_corrupt(void); + +#endif /* SOFT_SERIAL_H */ diff --git a/keyboards/mint60/serial_config.h b/keyboards/mint60/serial_config.h @@ -0,0 +1,16 @@ +#ifndef SOFT_SERIAL_CONFIG_H +#define SOFT_SERIAL_CONFIG_H + +/* Soft Serial defines */ +#define SERIAL_PIN_DDR DDRD +#define SERIAL_PIN_PORT PORTD +#define SERIAL_PIN_INPUT PIND +#define SERIAL_PIN_MASK _BV(PD2) +#define SERIAL_PIN_INTERRUPT INT2_vect + +#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 +#define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2 + +//// #error rev2 serial config + +#endif /* SOFT_SERIAL_CONFIG_H */ diff --git a/keyboards/mint60/split_util.c b/keyboards/mint60/split_util.c @@ -0,0 +1,70 @@ +#include <avr/io.h> +#include <avr/wdt.h> +#include <avr/power.h> +#include <avr/interrupt.h> +#include <util/delay.h> +#include <avr/eeprom.h> +#include "split_util.h" +#include "matrix.h" +#include "keyboard.h" + +#ifdef USE_I2C +# include "i2c.h" +#else +# include "serial.h" +#endif + +volatile bool isLeftHand = true; + +static void setup_handedness(void) { + #ifdef EE_HANDS + isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS); + #else + // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c + #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT) + isLeftHand = !has_usb(); + #else + isLeftHand = has_usb(); + #endif + #endif +} + +static void keyboard_master_setup(void) { + +#ifdef USE_I2C + i2c_master_init(); +#else + serial_master_init(); +#endif +} + +static void keyboard_slave_setup(void) { + +#ifdef USE_I2C + i2c_slave_init(SLAVE_I2C_ADDRESS); +#else + serial_slave_init(); +#endif +} + +bool has_usb(void) { + USBCON |= (1 << OTGPADE); //enables VBUS pad + _delay_us(5); + return (USBSTA & (1<<VBUS)); //checks state of VBUS +} + +void split_keyboard_setup(void) { + setup_handedness(); + + if (has_usb()) { + keyboard_master_setup(); + } else { + keyboard_slave_setup(); + } + sei(); +} + +// this code runs before the usb and keyboard is initialized +void matrix_setup(void) { + split_keyboard_setup(); +} diff --git a/keyboards/mint60/split_util.h b/keyboards/mint60/split_util.h @@ -0,0 +1,19 @@ +#ifndef SPLIT_KEYBOARD_UTIL_H +#define SPLIT_KEYBOARD_UTIL_H + +#include <stdbool.h> +#include "eeconfig.h" + +#define SLAVE_I2C_ADDRESS 0x32 + +extern volatile bool isLeftHand; + +// slave version of matix scan, defined in matrix.c +void matrix_slave_scan(void); + +void split_keyboard_setup(void); +bool has_usb(void); + +void matrix_master_OLED_init (void); + +#endif