add read_device_exception_state

heart_rate_sensor_protocol.h

@@ -22,6 +22,7 @@ typedef enum {
   kifyhrs_ecode_no_record_find            = 7,
   kifyhrs_ecode_parameter_error           = 8,
   kifyhrs_ecode_electrode_is_not_inserted = 9,
+  kifyhrs_ecode_device_exception          = 10,
 } ify_hrs_error_code_t;
 
 typedef enum {
@@ -68,6 +69,7 @@ typedef enum {
   ify_hrs_cmd_start_upload_record_v2      = 18,
   ify_hrs_cmd_ads1293_error_detail_info   = 19,  // 内部使用
   ify_hrs_cmd_change_sn                   = 20,  // 修改sn编码，仅且支持一次修改，修改后不可再次修改
+  ify_hrs_cmd_read_device_exception_state = 21,  // 读取设备异常状态
 
   ify_hrs_report_heartrate_data     = 101,
   ify_hrs_report_battery_level      = 102,