Remove support for Adafruit EZ-Key (#10103)

* Remove support for Adafruit EZ-Key

* Update docs/ja/feature_bluetooth.md

Co-authored-by: Takeshi ISHII <2170248+mtei@users.noreply.github.com>

Co-authored-by: Takeshi ISHII <2170248+mtei@users.noreply.github.com>

4 files changed, 64 insertions, 187 deletions

diff --git a/tmk_core/protocol/lufa.mk b/tmk_core/protocol/lufa.mk
index 9bc972c26..1cc1fa04e 100644
--- a/tmk_core/protocol/lufa.mk
+++ b/tmk_core/protocol/lufa.mk
@@ -23,8 +23,7 @@ ifeq ($(strip $(MIDI_ENABLE)), yes)
 endif
 
 ifeq ($(strip $(BLUETOOTH_ENABLE)), yes)
-	LUFA_SRC += $(LUFA_DIR)/bluetooth.c \
-		outputselect.c \
+	LUFA_SRC += outputselect.c \
 		$(TMK_DIR)/protocol/serial_uart.c
 endif
 
@@ -35,15 +34,8 @@ ifeq ($(strip $(BLUETOOTH)), AdafruitBLE)
 		$(LUFA_DIR)/adafruit_ble.cpp
 endif
 
-ifeq ($(strip $(BLUETOOTH)), AdafruitEZKey)
-	LUFA_SRC += $(LUFA_DIR)/bluetooth.c \
-		outputselect.c \
-		$(TMK_DIR)/protocol/serial_uart.c
-endif
-
 ifeq ($(strip $(BLUETOOTH)), RN42)
-	LUFA_SRC += $(LUFA_DIR)/bluetooth.c \
-		outputselect.c \
+	LUFA_SRC += outputselect.c \
 		$(TMK_DIR)/protocol/serial_uart.c
 endif
 
diff --git a/tmk_core/protocol/lufa/bluetooth.c b/tmk_core/protocol/lufa/bluetooth.c
deleted file mode 100644
index 5eb52860b..000000000
--- a/tmk_core/protocol/lufa/bluetooth.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
-Bluefruit Protocol for TMK firmware
-Author: Benjamin Gould, 2013
-        Jack Humbert, 2015
-Based on code Copyright 2011 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/>.
-*/
-
-#include <stdint.h>
-#include "report.h"
-#include "print.h"
-#include "debug.h"
-#include "bluetooth.h"
-
-void bluefruit_keyboard_print_report(report_keyboard_t *report) {
-    if (!debug_keyboard) return;
-    dprintf("keys: ");
-    for (int i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
-        debug_hex8(report->keys[i]);
-        dprintf(" ");
-    }
-    dprintf(" mods: ");
-    debug_hex8(report->mods);
-    dprintf(" reserved: ");
-    debug_hex8(report->reserved);
-    dprintf("\n");
-}
-
-void bluefruit_serial_send(uint8_t data) { serial_send(data); }
\ No newline at end of file
diff --git a/tmk_core/protocol/lufa/bluetooth.h b/tmk_core/protocol/lufa/bluetooth.h
deleted file mode 100644
index 67f031439..000000000
--- a/tmk_core/protocol/lufa/bluetooth.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
-Bluefruit Protocol for TMK firmware
-Author: Benjamin Gould, 2013
-        Jack Humbert, 2015
-Based on code Copyright 2011 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/>.
-*/
-
-#pragma once
-
-#include "../serial.h"
-
-void bluefruit_serial_send(uint8_t data);
-
-// https://learn.adafruit.com/introducing-bluefruit-ez-key-diy-bluetooth-hid-keyboard/sending-keys-via-serial#raw-hid-consumer-reports-8-14
-static inline uint16_t CONSUMER2BLUEFRUIT(uint16_t usage) {
-    switch (usage) {
-        case AC_HOME:
-            return 0x0001;
-        case AL_KEYBOARD_LAYOUT:
-            return 0x0002;
-        case AC_SEARCH:
-            return 0x0004;
-        case SNAPSHOT:
-            return 0x0008;
-        case AUDIO_VOL_UP:
-            return 0x0010;
-        case AUDIO_VOL_DOWN:
-            return 0x0020;
-        case TRANSPORT_PLAY_PAUSE:
-            return 0x0040;
-        case TRANSPORT_FAST_FORWARD:
-            return 0x0080;
-        case TRANSPORT_REWIND:
-            return 0x0100;
-        case TRANSPORT_NEXT_TRACK:
-            return 0x0200;
-        case TRANSPORT_PREV_TRACK:
-            return 0x0400;
-        case TRANSPORT_RANDOM_PLAY:
-            return 0x0800;
-        case TRANSPORT_STOP:
-            return 0x1000;
-        default:
-            return 0;
-    }
-}
-
-// https://cdn.sparkfun.com/datasheets/Wireless/Bluetooth/bluetooth_cr_UG-v1.0r.pdf#G7.663734
-static inline uint16_t CONSUMER2RN42(uint16_t usage) {
-    switch (usage) {
-        case AC_HOME:
-            return 0x0001;
-        case AL_EMAIL:
-            return 0x0002;
-        case AC_SEARCH:
-            return 0x0004;
-        case AL_KEYBOARD_LAYOUT:
-            return 0x0008;
-        case AUDIO_VOL_UP:
-            return 0x0010;
-        case AUDIO_VOL_DOWN:
-            return 0x0020;
-        case AUDIO_MUTE:
-            return 0x0040;
-        case TRANSPORT_PLAY_PAUSE:
-            return 0x0080;
-        case TRANSPORT_NEXT_TRACK:
-            return 0x0100;
-        case TRANSPORT_PREV_TRACK:
-            return 0x0200;
-        case TRANSPORT_STOP:
-            return 0x0400;
-        case TRANSPORT_EJECT:
-            return 0x0800;
-        case TRANSPORT_FAST_FORWARD:
-            return 0x1000;
-        case TRANSPORT_REWIND:
-            return 0x2000;
-        case TRANSPORT_STOP_EJECT:
-            return 0x4000;
-        case AL_LOCAL_BROWSER:
-            return 0x8000;
-        default:
-            return 0;
-    }
-}
diff --git a/tmk_core/protocol/lufa/lufa.c b/tmk_core/protocol/lufa/lufa.c
index 8410eb483..09ba0bacf 100644
--- a/tmk_core/protocol/lufa/lufa.c
+++ b/tmk_core/protocol/lufa/lufa.c
@@ -69,7 +69,7 @@ extern keymap_config_t keymap_config;
 #    ifdef MODULE_ADAFRUIT_BLE
 #        include "adafruit_ble.h"
 #    else
-#        include "bluetooth.h"
+#        include "../serial.h"
 #    endif
 #endif
 
@@ -89,6 +89,46 @@ extern keymap_config_t keymap_config;
 #    include "joystick.h"
 #endif
 
+// https://cdn.sparkfun.com/datasheets/Wireless/Bluetooth/bluetooth_cr_UG-v1.0r.pdf#G7.663734
+static inline uint16_t CONSUMER2RN42(uint16_t usage) {
+    switch (usage) {
+        case AC_HOME:
+            return 0x0001;
+        case AL_EMAIL:
+            return 0x0002;
+        case AC_SEARCH:
+            return 0x0004;
+        case AL_KEYBOARD_LAYOUT:
+            return 0x0008;
+        case AUDIO_VOL_UP:
+            return 0x0010;
+        case AUDIO_VOL_DOWN:
+            return 0x0020;
+        case AUDIO_MUTE:
+            return 0x0040;
+        case TRANSPORT_PLAY_PAUSE:
+            return 0x0080;
+        case TRANSPORT_NEXT_TRACK:
+            return 0x0100;
+        case TRANSPORT_PREV_TRACK:
+            return 0x0200;
+        case TRANSPORT_STOP:
+            return 0x0400;
+        case TRANSPORT_EJECT:
+            return 0x0800;
+        case TRANSPORT_FAST_FORWARD:
+            return 0x1000;
+        case TRANSPORT_REWIND:
+            return 0x2000;
+        case TRANSPORT_STOP_EJECT:
+            return 0x4000;
+        case AL_LOCAL_BROWSER:
+            return 0x8000;
+        default:
+            return 0;
+    }
+}
+
 uint8_t keyboard_idle = 0;
 /* 0: Boot Protocol, 1: Report Protocol(default) */
 uint8_t        keyboard_protocol  = 1;
@@ -631,20 +671,13 @@ static void send_keyboard(report_keyboard_t *report) {
 #    ifdef MODULE_ADAFRUIT_BLE
         adafruit_ble_send_keys(report->mods, report->keys, sizeof(report->keys));
 #    elif MODULE_RN42
-        bluefruit_serial_send(0xFD);
-        bluefruit_serial_send(0x09);
-        bluefruit_serial_send(0x01);
-        bluefruit_serial_send(report->mods);
-        bluefruit_serial_send(report->reserved);
-        for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
-            bluefruit_serial_send(report->keys[i]);
-        }
-#    else
-        bluefruit_serial_send(0xFD);
-        bluefruit_serial_send(report->mods);
-        bluefruit_serial_send(report->reserved);
+        serial_send(0xFD);
+        serial_send(0x09);
+        serial_send(0x01);
+        serial_send(report->mods);
+        serial_send(report->reserved);
         for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
-            bluefruit_serial_send(report->keys[i]);
+            serial_send(report->keys[i]);
         }
 #    endif
     }
@@ -697,15 +730,15 @@ static void send_mouse(report_mouse_t *report) {
         // FIXME: mouse buttons
         adafruit_ble_send_mouse_move(report->x, report->y, report->v, report->h, report->buttons);
 #        else
-        bluefruit_serial_send(0xFD);
-        bluefruit_serial_send(0x00);
-        bluefruit_serial_send(0x03);
-        bluefruit_serial_send(report->buttons);
-        bluefruit_serial_send(report->x);
-        bluefruit_serial_send(report->y);
-        bluefruit_serial_send(report->v);  // should try sending the wheel v here
-        bluefruit_serial_send(report->h);  // should try sending the wheel h here
-        bluefruit_serial_send(0x00);
+        serial_send(0xFD);
+        serial_send(0x00);
+        serial_send(0x03);
+        serial_send(report->buttons);
+        serial_send(report->x);
+        serial_send(report->y);
+        serial_send(report->v);  // should try sending the wheel v here
+        serial_send(report->h);  // should try sending the wheel h here
+        serial_send(0x00);
 #        endif
     }
 
@@ -778,25 +811,11 @@ static void send_consumer(uint16_t data) {
         if (data == last_data) return;
         last_data       = data;
         uint16_t bitmap = CONSUMER2RN42(data);
-        bluefruit_serial_send(0xFD);
-        bluefruit_serial_send(0x03);
-        bluefruit_serial_send(0x03);
-        bluefruit_serial_send(bitmap & 0xFF);
-        bluefruit_serial_send((bitmap >> 8) & 0xFF);
-#        else
-        static uint16_t last_data = 0;
-        if (data == last_data) return;
-        last_data       = data;
-        uint16_t bitmap = CONSUMER2BLUEFRUIT(data);
-        bluefruit_serial_send(0xFD);
-        bluefruit_serial_send(0x00);
-        bluefruit_serial_send(0x02);
-        bluefruit_serial_send(bitmap & 0xFF);
-        bluefruit_serial_send((bitmap >> 8) & 0xFF);
-        bluefruit_serial_send(0x00);
-        bluefruit_serial_send(0x00);
-        bluefruit_serial_send(0x00);
-        bluefruit_serial_send(0x00);
+        serial_send(0xFD);
+        serial_send(0x03);
+        serial_send(0x03);
+        serial_send(bitmap & 0xFF);
+        serial_send((bitmap >> 8) & 0xFF);
 #        endif
     }
 
@@ -1018,7 +1037,7 @@ int main(void) {
     setup_usb();
     sei();
 
-#if defined(MODULE_ADAFRUIT_EZKEY) || defined(MODULE_RN42)
+#if defined(MODULE_RN42)
     serial_init();
 #endif