BOARD_HAS_LTC44XX_VALIDS - 0 -> No LTC44xx IC, N is the number of
Power Bricks connected to the LTC44xx
For a LTC4417 this would be 2 as the
third prioriy is used for USB
BOARD_HAS_USB_VALID - If defied as 1 imples that infact
the USB has a priority connection
on the LTC44XX
BOARD_HAS_NBAT_V - the number of battery voltage sensing chennels
on the ADC
BOARD_HAS_NBAT_I - the number of battery current sensing chennels
on the ADC
A super simple (non FMUv5 compliant) board with no LTC44xx and just one battery
that have no current sense:
BOARD_HAS_LTC44XX_VALIDS = 0
BOARD_HAS_USB_VALID = 0
BOARD_HAS_NBAT_V = 1
BOARD_HAS_NBAT_0 = 0
A fully FMUv5 compliant design would use:
BOARD_HAS_LTC44XX_VALIDS = 2
BOARD_HAS_USB_VALID = 1
BOARD_HAS_NBAT_V = 2
BOARD_HAS_NBAT_0 = 2
These setting properly condition the ADC channles and all the Power
module valid sensing logic in the ADC module.
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