From 019dd0a2c1b0f2cfa3fd705d70729deea3a11b89 Mon Sep 17 00:00:00 2001
From: stli <lst92991@gmail.com>
Date: Sat, 11 Apr 2026 14:12:32 +0800
Subject: [PATCH] Restore baseline key handling

---
 prj.conf                      |  5 ----
 src/modules/keyboard_module.c | 43 -----------------------------------
 2 files changed, 48 deletions(-)

diff --git a/prj.conf b/prj.conf
index 510f71a..cf0536c 100644
--- a/prj.conf
+++ b/prj.conf
@@ -68,11 +68,6 @@ CONFIG_BT_DIS_PNP_PID=0x0001
 
 CONFIG_USB_DEVICE_STACK_NEXT=y
 CONFIG_USBD_HID_SUPPORT=y
-CONFIG_SERIAL=y
-CONFIG_UART_INTERRUPT_DRIVEN=y
-CONFIG_UART_LINE_CTRL=y
-CONFIG_USBD_CDC_ACM_CLASS=y
-CONFIG_CDC_ACM_SERIAL_INITIALIZE_AT_BOOT=n
 CONFIG_UDC_BUF_POOL_SIZE=8192
 CONFIG_UDC_BUF_COUNT=32
 CONFIG_USBD_MAX_UDC_MSG=20
diff --git a/src/modules/keyboard_module.c b/src/modules/keyboard_module.c
index 35c3c4d..0fef737 100644
--- a/src/modules/keyboard_module.c
+++ b/src/modules/keyboard_module.c
@@ -14,8 +14,6 @@
 #include "hid_protocol_event.h"
 #include "hid_report_event.h"
 #include "hid_vendor_mask_event.h"
-#include "function_bitmap_event.h"
-#include "function_key_event.h"
 #include "qdec_step_event.h"
 
 #include <zephyr/sys/util.h>
@@ -102,7 +100,6 @@ struct keyboard_state {
 	uint8_t physical_usage_bm[KEYBOARD_BITMAP_SIZE];
 	uint8_t mask_modifier_bm;
 	uint8_t mask_bm[KEYBOARD_BITMAP_SIZE];
-	uint8_t function_bm[KEYBOARD_BITMAP_SIZE];
 	enum hid_protocol_type current_protocol;
 	uint16_t consumer_usage;
 };
@@ -127,16 +124,6 @@ static void keyboard_mask_init(void)
 {
 	ks.mask_modifier_bm = 0xFF;
 	memset(ks.mask_bm, 0xFF, sizeof(ks.mask_bm));
-	memset(ks.function_bm, 0, sizeof(ks.function_bm));
-}
-
-static bool function_usage_active(uint16_t usage_id)
-{
-	if (usage_id > KEYBOARD_USAGE_MAX) {
-		return false;
-	}
-
-	return (ks.function_bm[usage_id / 8] & BIT(usage_id % 8)) != 0U;
 }
 
 /* 查询某 usage 位在当前键盘位图里是否处于按下状态。 */
@@ -311,11 +298,6 @@ static void submit_consumer_click_usage(uint16_t usage_id)
  */
 static bool handle_keyboard_usage_event(const struct hid_keymap *map, bool pressed)
 {
-	if (function_usage_active(map->usage_id)) {
-		function_key_event_submit(map->usage_id, pressed);
-		return false;
-	}
-
 	if (!keyboard_usage_update(map->usage_id, pressed))
 		return false;
 
@@ -331,11 +313,6 @@ static bool handle_keyboard_usage_event(const struct hid_keymap *map, bool press
  */
 static bool handle_consumer_usage_event(const struct hid_keymap *map, bool pressed)
 {
-	if (function_usage_active(map->usage_id)) {
-		function_key_event_submit(map->usage_id, pressed);
-		return false;
-	}
-
 	if (active_protocol_get() == HID_PROTO_BOOT)
 		return false;
 
@@ -404,21 +381,6 @@ static bool handle_hid_vendor_mask_event(const struct hid_vendor_mask_event *eve
 	return false;
 }
 
-static bool handle_function_bitmap_event(const struct function_bitmap_event *event)
-{
-	const uint8_t *data = function_bitmap_event_get_data(event);
-	size_t size = function_bitmap_event_get_size(event);
-
-	if (size != sizeof(ks.function_bm)) {
-		LOG_WRN("Ignore function bitmap len=%u expect=%u",
-			size, sizeof(ks.function_bm));
-		return false;
-	}
-
-	memcpy(ks.function_bm, data, sizeof(ks.function_bm));
-	return false;
-}
-
 static bool handle_qdec_step_event(const struct qdec_step_event *event)
 {
 	int8_t step = qdec_step_event_get_step(event);
@@ -453,10 +415,6 @@ static bool app_event_handler(const struct app_event_header *aeh)
 		return handle_hid_vendor_mask_event(cast_hid_vendor_mask_event(aeh));
 	}
 
-	if (is_function_bitmap_event(aeh)) {
-		return handle_function_bitmap_event(cast_function_bitmap_event(aeh));
-	}
-
 	if (is_module_state_event(aeh)) {
 		const struct module_state_event *event = cast_module_state_event(aeh);
 
@@ -478,6 +436,5 @@ APP_EVENT_LISTENER(MODULE, app_event_handler);
 APP_EVENT_SUBSCRIBE(MODULE, button_event);
 APP_EVENT_SUBSCRIBE(MODULE, hid_protocol_event);
 APP_EVENT_SUBSCRIBE(MODULE, hid_vendor_mask_event);
-APP_EVENT_SUBSCRIBE(MODULE, function_bitmap_event);
 APP_EVENT_SUBSCRIBE(MODULE, qdec_step_event);
 APP_EVENT_SUBSCRIBE(MODULE, module_state_event);