From 6ad018ad2931138b9a46dbcbc324cf74187f5e9e Mon Sep 17 00:00:00 2001
From: jhchun <jh.chun@medithings.co.kr>
Date: Fri, 19 Jun 2026 11:09:59 +0900
Subject: [PATCH] =?UTF-8?q?DFU=20=EC=BB=A4=EB=A7=A8=EB=93=9C?=
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---
 src/parser.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 47 insertions(+), 4 deletions(-)

diff --git a/src/parser.c b/src/parser.c
index f53113e..3c43b0b 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -747,6 +747,19 @@ static int cmd_msr(const uint8_t *data, uint8_t data_len)
     ARG_UNUSED(data);
     ARG_UNUSED(data_len);
 
+    int tx_err = send_response_u16("rsr:", status);
+    if (tx_err)
+    {
+        DBG_ERR("[CMD] msr tx failed err=%d\r\n", tx_err);
+        return 1;
+    }
+
+    /*
+     * 현재 연결의 bond/security 정보를 먼저 지우면 같은 연결에서 rsr: 응답을
+     * 보낼 수 없다. 응답 전송 완료 후 bond 삭제와 reboot를 진행한다.
+     */
+    k_msleep(100);
+
 #if IS_ENABLED(CONFIG_BT_SMP)
     int err = bt_unpair(BT_ID_DEFAULT, NULL);
     if (err)
@@ -764,16 +777,45 @@ static int cmd_msr(const uint8_t *data, uint8_t data_len)
     DBG_PRINTF("[CMD] msr bond delete skipped (BT_SMP disabled)\r\n");
 #endif
 
-    int tx_err = send_response_u16("rsr:", status);
+    if (status == 0x0000)
+    {
+        DBG_PRINTF("[CMD] msr complete\r\n");
+    }
+
+    return 1;
+}
+
+/* msp? → IMU 1회 측정 → rsp: + accel XYZ + gyro XYZ (각 int16 빅엔디안) */
+static int cmd_mdf(const uint8_t *data, uint8_t data_len)
+{
+    ARG_UNUSED(data);
+    ARG_UNUSED(data_len);
+
+    uint16_t status = ble_dfu_advertising_is_enabled() ? 0xFFFF : 0x0000;
+
+    /* DFU advertising 전환 중 연결이 끊겨도 전원 래치가 유지되도록 먼저 ON 상태를 확정한다. */
+    device_power_keep_on();
+
+    int tx_err = send_response_u16("rdf:", status);
     if (tx_err)
     {
-        DBG_ERR("[CMD] msr tx failed err=%d\r\n", tx_err);
+        DBG_ERR("[CMD] mdf tx failed err=%d\r\n", tx_err);
+        return 1;
     }
 
     if (status == 0x0000)
     {
-        DBG_PRINTF("[CMD] msr -> reboot\r\n");
-        reboot_after_response();
+        /* rdf: 응답이 나간 뒤 연결 해제와 SMP 광고 전환 실행 */
+        k_msleep(100);
+        int err = ble_dfu_advertising_enable();
+        if (err)
+        {
+            DBG_ERR("[CMD] mdf enable failed err=%d\r\n", err);
+        }
+    }
+    else
+    {
+        DBG_PRINTF("[CMD] mdf rejected: already in DFU advertising\r\n");
     }
 
     return 1;
@@ -1504,6 +1546,7 @@ static const cmd_entry_t cmd_table[] =
     { "msq?", cmd_msq },
     { "mss?", cmd_mss },
     { "msr?", cmd_msr },
+    { "mdf?", cmd_mdf },
     { "msn?", cmd_msn },
     { "mls?", cmd_mls },
     { "msp?", cmd_msp },