message: update endpoint header
diff: namespace odrive {
  -static constexpr const uint16_t json_crc = 0x64cd;
  +static constexpr const uint16_t json_crc = 0xbe97;
  static constexpr const uint16_t per_axis_offset = 101;
  @@ -50,10 +50,12 @@ enum {
  CONFIG__DC_BUS_UNDERVOLTAGE_TRIP_LEVEL = 31,
  CONFIG__DC_BUS_OVERVOLTAGE_TRIP_LEVEL = 32,
  TEST_PROPERTY = 235,
  - SAVE_CONFIGURATION = 242,
  - ERASE_CONFIGURATION = 243,
  - REBOOT = 244,
  - ENTER_DFU_MODE = 245,
  + ADC_GPIO1 = 242,
  + ADC_GPIO2 = 243,
  + SAVE_CONFIGURATION = 244,
  + ERASE_CONFIGURATION = 245,
  + REBOOT = 246,
  + ENTER_DFU_MODE = 247,
  // Per-Axis endpoints (to be used with read_axis_property and write_axis_property)
  AXIS__ERROR = 33,
  @@ -186,6 +188,8 @@ template<> struct endpoint_type<CONFIG__ENABLE_I2C_INSTEAD_OF_CAN> { typedef boo
  template<> struct endpoint_type<CONFIG__DC_BUS_UNDERVOLTAGE_TRIP_LEVEL> { typedef float type; };
  template<> struct endpoint_type<CONFIG__DC_BUS_OVERVOLTAGE_TRIP_LEVEL> { typedef float type; };
  template<> struct endpoint_type<TEST_PROPERTY> { typedef uint32_t type; };
  +template<> struct endpoint_type<ADC_GPIO1> { typedef uint16_t type; };
  +template<> struct endpoint_type<ADC_GPIO2> { typedef uint16_t type; };
  template<> struct endpoint_type<SAVE_CONFIGURATION> { typedef void type; };
  template<> struct endpoint_type<ERASE_CONFIGURATION> { typedef void type; };
  template<> struct endpoint_type<REBOOT> { typedef void type; };
  