IMU FIFO 커맨드 mim? 추가

project/ble_peripheral/ble_app_bladder_patch/command/cmd_common.h

@@ -50,6 +50,8 @@ extern int  imu_read_direct(void);
 extern int  imu_read_temperature_x100(uint16_t *temp_x100, float *temp_c);
 extern int  imu_fifo_capture_start(void);
 extern int  imu_fifo_capture_stop_and_send_rim(void);
+extern int  imu_fifo_capture_wait_samples_and_send_rim(uint16_t target_samples, uint32_t timeout_ms);
+extern void imu_fifo_capture_disable(void);
 extern void battery_timer_stop(void);
 extern void main_timer_start(void);
 extern void hw_i2c_init_once(void);

project/ble_peripheral/ble_app_bladder_patch/command/cmd_table.c

@@ -41,6 +41,7 @@ static const CmdEntry m_cmd_table[] = {
     { "msn?", true, Cmd_msn },
     { "mst?", true, Cmd_mst },
     { "msp?", true, Cmd_msp },
+    { "mim?", true, Cmd_mim },
 
     /* D. Piezo ultrasound */
     { "mpa?", true, Cmd_mpa },

project/ble_peripheral/ble_app_bladder_patch/command/handlers/cmd_sensor.c

@@ -4,6 +4,7 @@
  * msn? -> rsn:  battery ADC measurement
  * mst? -> rso:  IMU die temperature reading
  * msp? -> rsp:  IMU 6-axis single read
+ * mim? -> rim:  IMU FIFO 15-sample read
  * all_sensors()  bulk-measurement helper used by the mbb? handler
  *============================================================================*/
 
@@ -47,6 +48,7 @@ int Cmd_mst(const ParsedCmd *cmd)
 
 /*==============================================================================
  * msp? -> rsp:  IMU 6-axis single read
+ * mim? -> rim:  IMU FIFO 15-sample read
  *
  * Request:  [TAG 4B "msp?"] [CRC 2B]
  * Response: rsp: + accel(xyz) + gyro(xyz)  (transmitted inside imu_read_direct)
@@ -61,6 +63,33 @@ int Cmd_msp(const ParsedCmd *cmd)
     return 1;
 }
 
+/*==============================================================================
+ * mim? -> rim:  IMU FIFO-only capture
+ *
+ * Request:  [TAG 4B "mim?"] [CRC 2B]
+ * Response: rim: [total_sample_count u16 BE]
+ *           [samples: 12B each ax,ay,az,gx,gy,gz ...]
+ *
+ * Uses the same FIFO/rim path as mtb? but without piezo reb:/raa: packets.
+ * At 50 Hz, 15 samples are about 300 ms; timeout leaves margin for startup.
+ *============================================================================*/
+int Cmd_mim(const ParsedCmd *cmd)
+{
+    int rc;
+    (void)cmd;
+
+    rc = imu_fifo_capture_start();
+    if (rc != 0)
+    {
+        (void)imu_fifo_capture_stop_and_send_rim();
+        imu_fifo_capture_disable();
+        return 1;
+    }
+
+    (void)imu_fifo_capture_wait_samples_and_send_rim(15, 500);
+    return 1;
+}
+
 /*==============================================================================
  * all_sensors() - Bulk-measurement helper for the mbb? handler
  *

project/ble_peripheral/ble_app_bladder_patch/command/handlers/cmd_sensor.h

@@ -9,6 +9,7 @@
 int Cmd_msn(const ParsedCmd *cmd);   /* msn? -> rsn:  battery ADC measurement */
 int Cmd_mst(const ParsedCmd *cmd);   /* mst? -> rso:  IMU die temperature */
 int Cmd_msp(const ParsedCmd *cmd);   /* msp? -> rsp:  IMU 6-axis single read */
+int Cmd_mim(const ParsedCmd *cmd);   /* mim? -> rim:  IMU FIFO 15 samples */
 /* Helper for the mbb? handler: sequentially measures battery / IMU / temperature, then emits a single rbb: response.
  * Called from Cmd_mbb() in cmd_piezo.c. */
 void all_sensors(void);