text: #ifndef _hw_msgids_h_
  #define _hw_msgids_h_
  
  #define HW_CMD_MID     0x1890 // incoming commands
  #define HW_SEND_HK_MID 0x1891 // incoming telemetry request
  #define HW_HK_TLM_MID  0x0891 // outgoing telemetry
  
  #endif 
  