feat(treewide): Migrate the Unicode handling to a custom c program, that works via rawhid

8 files changed, 76 insertions, 5 deletions

diff --git a/src/keymaps/soispha/config.h b/src/keymaps/soispha/config.h
index 2b1d36a..9cc7cc5 100644
--- a/src/keymaps/soispha/config.h
+++ b/src/keymaps/soispha/config.h
@@ -23,7 +23,8 @@
 #define USB_SUSPEND_WAKEUP_DELAY 0
 #define LAYER_STATE_16BIT
 
-#define UNICODE_SELECTED_MODES UNICODE_MODE_LINUX
+#define RAW_USAGE_PAGE 0xFF61 // 65377
+#define RAW_USAGE_ID 0x6A // 106
 
 #define MOUSEKEY_DELAY 0
 #define MOUSEKEY_INTERVAL 20
diff --git a/src/keymaps/soispha/hid/hid.c b/src/keymaps/soispha/hid/hid.c
new file mode 100644
index 0000000..73b7370
--- /dev/null
+++ b/src/keymaps/soispha/hid/hid.c
@@ -0,0 +1,47 @@
+#include "hid.h"
+#include "raw_hid.h"
+#include <stdint.h>
+#include <string.h>
+
+void hid_send(uint32_t hex) {
+  uint8_t length = 32;
+
+  uint8_t response[length];
+  memset(response, 0, length);
+
+  uint8_t first, second, third, fourth;
+
+  uint8_t n = 1;
+  if (*(char *)&n == 1) {
+    // Little endian
+    first = (uint8_t)hex;
+    second = (uint8_t)(hex >> 8);
+    third = (uint8_t)(hex >> 16);
+    fourth = (uint8_t)(hex >> 24);
+  } else {
+    // Big endian
+    fourth = (uint8_t)hex;
+    third = (uint8_t)(hex << 8);
+    second = (uint8_t)(hex << 16);
+    first = (uint8_t)(hex << 24);
+  }
+
+  response[0] = first;
+  response[1] = second;
+  response[2] = third;
+  response[3] = fourth;
+
+  raw_hid_send(response, length);
+}
+
+// `data` is a pointer to the buffer containing the received HID report
+// `length` is the length of the report - always `RAW_EPSIZE`
+void raw_hid_receive(uint8_t *data, uint8_t length) {
+  uint8_t response[length];
+  memset(response, 0, length);
+  response[0] = 'B';
+
+  if (data[0] == 'A') {
+    raw_hid_send(response, length);
+  }
+}
diff --git a/src/keymaps/soispha/hid/hid.h b/src/keymaps/soispha/hid/hid.h
new file mode 100644
index 0000000..6ee0eda
--- /dev/null
+++ b/src/keymaps/soispha/hid/hid.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <stdint.h>
+
+#define UK(c) (UK_UNICODE | (c))
+
+
+
+void hid_send(uint32_t hex);
diff --git a/src/keymaps/soispha/keymap.c b/src/keymaps/soispha/keymap.c
index 9391212..2b6c16f 100644
--- a/src/keymaps/soispha/keymap.c
+++ b/src/keymaps/soispha/keymap.c
@@ -13,6 +13,9 @@
 #include "layout/layout.h"
 #include "macros.h"
 #include "version.h"
+#include <stdbool.h>
+#include <stdint.h>
+#include "hid/hid.h"
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   switch (keycode) {
@@ -21,6 +24,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
       SEND_STRING(QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION
                                " (rev: " QMK_GIT_HASH ")");
     }
+    return false;
     break;
   case ST_MACRO_0:
     if (record->event.pressed) {
@@ -77,6 +81,11 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
     }
     return false;
   }
+
+  if (keycode >= UK_UNICODE && keycode <= UK_UNICODE_MAX) {
+    hid_send(QK_UNICODE_GET_CODE_POINT(keycode));
+  }
+
   return true;
 }
 
diff --git a/src/keymaps/soispha/layout/keymap.h b/src/keymaps/soispha/layout/keymap.h
index d4b183a..f61ac0f 100644
--- a/src/keymaps/soispha/layout/keymap.h
+++ b/src/keymaps/soispha/layout/keymap.h
@@ -83,7 +83,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   [9] = LAYOUT_moonlander( // Special characters
     KK_TP,         KK_TP,              KK_TP,             KK_TP,               KK_TP,         KK_TP,        KK_TP,             KK_TP,         KK_TP,       KK_TP,        KK_TP,       KK_TP,       KK_TP,          KK_TP,
     KK_TP,         KK_TP,              KK_TP,             KK_TP,               KK_TP,         KK_TP,        KK_TP,             KK_TP,         KK_TP,       KK_TP,        KK_TP,       KK_TP,       KK_TP,          KK_TP,
-    KK_TP,         UC(0x201C),         KK_TP,             KK_TP,               UC(0x201D),    KK_TP,        KK_TP,             KK_TP,         KK_TP,       KK_TP,        KK_TP,       KK_TP,       KK_TP,          KK_TP,
+    KK_TP,         UK(0x201C),         KK_TP,             KK_TP,               UK(0x201D),    KK_TP,        KK_TP,             KK_TP,         KK_TP,       KK_TP,        KK_TP,       KK_TP,       KK_TP,          KK_TP,
     KK_TP,         KK_TP,              KK_TP,             KK_TP,               KK_TP,         KK_TP,                                          KK_TP,       KK_TP,        KK_TP,       KK_TP,       KK_TP,          KK_TP,
     KK_TP,         KK_TP,              KK_TP,             KK_TP,               KK_TP,         KK_TP,                                          KK_TP,       KK_TP,        KK_TP,       KK_TP,       KK_TP,          KK_TP,
                                                           KK_TP,               KK_TP,         KK_TP,                                          KK_TP,       KK_TP,        KK_TP
diff --git a/src/keymaps/soispha/layout/layout.h b/src/keymaps/soispha/layout/layout.h
index 4acb7f5..6b0c709 100644
--- a/src/keymaps/soispha/layout/layout.h
+++ b/src/keymaps/soispha/layout/layout.h
@@ -13,6 +13,7 @@
 #pragma once
 #include QMK_KEYBOARD_H
 #include "../macros.h"
+#include "../hid/hid.h"
 
 #define KK_TP KC_TRANSPARENT
 
diff --git a/src/keymaps/soispha/macros.h b/src/keymaps/soispha/macros.h
index e337830..ff03175 100644
--- a/src/keymaps/soispha/macros.h
+++ b/src/keymaps/soispha/macros.h
@@ -15,6 +15,8 @@ enum custom_keycodes {
   ST_MACRO_6,
   ST_MACRO_7,
   VERSION_NUMBER,
+  UK_UNICODE = 0x8000,
+  UK_UNICODE_MAX = 0xFFFF,
 };
 
 enum tap_dance_codes {
diff --git a/src/keymaps/soispha/rules.mk b/src/keymaps/soispha/rules.mk
index c04c2d7..27610b4 100644
--- a/src/keymaps/soispha/rules.mk
+++ b/src/keymaps/soispha/rules.mk
@@ -24,8 +24,10 @@ SEND_STRING_ENABLE = yes
 SPACE_CADET_ENABLE = no
 SWAP_HANDS_ENABLE = yes
 TAP_DANCE_ENABLE = yes
+UNICODE_ENABLE = no
 
-UNICODE_COMMON = yes
-UNICODE_ENABLE = yes
+RAW_ENABLE = yes
 
-SRC += rgb.c
+# LTO_ENABLE = yes
+
+SRC += rgb.c hid/hid.c