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Template:FMX640 Short Burst Data (view source)
Revision as of 15:23, 5 September 2022
, 15:23, 5 September 2022→SDB record structure
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''Latitude'' is calculated in same way as longitude but since latitude maximum value is two times smaller than longitude it can produce a bit more accurate data. Coefficient for latitude is 93206,75. This coefficient is got in following way: 16777215(maximum 3 bytes value) divided from 180 (maximum latitude value then 90 is added). This calculation is used to fit negative and positive values to 3 bytes width variable.
''Latitude'' is calculated in same way as longitude but since latitude maximum value is two times smaller than longitude it can produce a bit more accurate data. Coefficient for latitude is 93206,75. This coefficient is got in following way: 16777215(maximum 3 bytes value) divided from 180 (maximum latitude value then 90 is added). This calculation is used to fit negative and positive values to 3 bytes width variable.
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''SBD AVL ID and flags'' – custom ID that will indicate what caused the record to be generated (final ID will (as only periodic records are generated, ID is not used)).
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====DIN/DOUT parameter explanation====
''DIN/DOUT'' info - Displays configured IO elements in SBD IO source (parameter ID 99422)
This parameter is configured with bitmasks.
*eSBD_IO_Bit_Disabled = 0x00,
*eSBD_IO_Bit_Din1 = 0x01,
*eSBD_IO_Bit_Din2 = 0x02,
*eSBD_IO_Bit_Din3 = 0x04,
*eSBD_IO_Bit_Din4 = 0x08,
*eSBD_IO_Bit_Do1 = 0x10,
*eSBD_IO_Bit_Do2 = 0x20,
*eSBD_IO_Bit_Do3 = 0x40,
*eSBD_IO_Bit_Do4 = 0x80,
*eSBD_IO_Bit_Speed = 0x100
For example: to enable Din1, Din3 and Do4: 0x01 + 0x04 + 0x80 = 0x85 convert to decimal --> 133.
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