diff --git a/keyboards/keychron/common/keychron_common.mk b/keyboards/keychron/common/keychron_common.mk
index 504e6885be..6da9bf21a0 100644
--- a/keyboards/keychron/common/keychron_common.mk
+++ b/keyboards/keychron/common/keychron_common.mk
@@ -8,7 +8,8 @@ SRC += \
$(KEYCHRON_COMMON_DIR)/factory_test.c \
$(KEYCHRON_COMMON_DIR)/backlit_indicator.c \
$(KEYCHRON_COMMON_DIR)/eeconfig_kb.c \
- $(KEYCHRON_COMMON_DIR)/dfu_info.c
+ $(KEYCHRON_COMMON_DIR)/dfu_info.c \
+ $(KEYCHRON_COMMON_DIR)/nkro.c
VPATH += $(KEYCHRON_COMMON_DIR)
diff --git a/keyboards/keychron/common/keychron_raw_hid.c b/keyboards/keychron/common/keychron_raw_hid.c
index f9277d25ca..a505207dee 100644
--- a/keyboards/keychron/common/keychron_raw_hid.c
+++ b/keyboards/keychron/common/keychron_raw_hid.c
@@ -43,6 +43,7 @@
#ifdef RAW_ENABLE
extern void dfu_info_rx(uint8_t *data, uint8_t length);
+extern void nkro_rx(uint8_t *data, uint8_t length);
void get_support_feature(uint8_t *data) {
data[0] = 0;
@@ -70,7 +71,7 @@ void get_support_feature(uint8_t *data) {
# endif
;
- data[2] = (FEATURE_QUICK_START >> 8);
+ data[2] = (FEATURE_QUICK_START >> 8) | (FEATURE_NKRO >> 8);
}
void get_firmware_version(uint8_t *data) {
@@ -153,7 +154,11 @@ bool kc_raw_hid_rx(uint8_t src, uint8_t *data, uint8_t length) {
# ifdef USB_REPORT_INTERVAL_ENABLE
| MISC_REPORT_REATE
# endif
- | MISC_QUICK_START;
+ | MISC_QUICK_START
+# ifdef NKRO_ENABLE
+ | MISC_NKRO
+# endif
+ ;
break;
case DFU_INFO_GET:
@@ -185,6 +190,10 @@ bool kc_raw_hid_rx(uint8_t src, uint8_t *data, uint8_t length) {
report_rate_hid_rx(data, length);
} break;
# endif
+ case NKRO_GET ... NKRO_SET:
+ nkro_rx(data, length);
+ break;
+
default:
data[0] = 0xFF;
data[1] = 0x00;
diff --git a/keyboards/keychron/common/keychron_raw_hid.h b/keyboards/keychron/common/keychron_raw_hid.h
index e04754a9ac..580cfad8cd 100644
--- a/keyboards/keychron/common/keychron_raw_hid.h
+++ b/keyboards/keychron/common/keychron_raw_hid.h
@@ -42,7 +42,8 @@ enum {
FEATURE_SNAP_CLICK = 0x01U << 6,
FEATURE_KEYCHRON_RGB = 0x01U << 7,
- FEATURE_QUICK_START = 0x01 << 8
+ FEATURE_QUICK_START = 0x01 << 8,
+ FEATURE_NKRO = 0x01 << 9,
};
enum {
@@ -52,7 +53,8 @@ enum {
MISC_SNAP_CLICK = 0x01 << 3,
MISC_WIRELESS_LPM = 0x01 << 4,
MISC_REPORT_REATE = 0x01 << 5,
- MISC_QUICK_START = 0x01 << 6
+ MISC_QUICK_START = 0x01 << 6,
+ MISC_NKRO = 0x01 << 7,
};
enum {
@@ -70,7 +72,16 @@ enum {
WIRELESS_LPM_SET,
REPORT_RATE_GET,
REPORT_RATE_SET,
+ DIP_SWITCH_GET,
+ DIP_SWITCH_SET, // 0x10
FACTORY_RESET,
+ NKRO_GET,
+ NKRO_SET,
+};
+
+enum {
+ KC_SUCCESS = 0,
+ KC_FAIL,
};
void kc_raw_hid_send(uint8_t src, uint8_t *data, uint8_t len);
diff --git a/keyboards/keychron/common/nkro.c b/keyboards/keychron/common/nkro.c
new file mode 100644
index 0000000000..1ec65a5f9e
--- /dev/null
+++ b/keyboards/keychron/common/nkro.c
@@ -0,0 +1,56 @@
+/* Copyright 2024 @ Keychron (https://www.keychron.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 .
+ */
+
+#include
+#include "quantum.h"
+#include "keychron_raw_hid.h"
+
+void nkro_rx(uint8_t *data, uint8_t length) {
+ if (data[0] != KC_MISC_CMD_GROUP) return;
+
+ uint8_t cmd = data[1];
+ switch (cmd) {
+ case NKRO_GET:
+ data[2] = KC_SUCCESS;
+ data[3] = ((keymap_config.nkro ? 0x01 : 0x00) << 0)
+#if defined(NKRO_ENABLE) && !defined(APDAPTIVE_NKRO_ENABLE)
+ | (0x01 << 1)
+#endif
+#ifdef APDAPTIVE_NKRO_ENABLE
+ | (0x01 << 2)
+#endif
+ ;
+ break;
+
+ case NKRO_SET:
+ if (data[2] > 1) {
+ data[2] = KC_FAIL;
+ } else {
+#if defined(NKRO_ENABLE) && !defined(APDAPTIVE_NKRO_ENABLE)
+ keymap_config.nkro = data[2];
+ eeconfig_update_keymap(keymap_config.raw);
+ data[2] = KC_SUCCESS;
+#else
+ data[2] = KC_FAIL;
+#endif
+ }
+ break;
+
+ default:
+ data[0] = 0xFF;
+ break;
+ }
+}