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FSDev_SD_Card_BSP_GetBusWidthMax()
CPU_INT08U FSDev_SD_Card_BSP_GetBusWidthMax (FS_QTY unit_nbr);
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File |
Called from |
Code enabled by |
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fs_dev_sd_card_bsp.c |
FSDev_SD_Card_Refresh() |
N/A |
Get maximum bus width, in bits.
Arguments
unit_nbr
Unit number of SD/MMC card.
Returned Value
Maximum bus width.
Notes/Warnings
- Legal values are typically 1, 4 and 8.
- This function should always return the same value. If hardware constraints change at run-time, the device must be closed and re-opened for any changes to be effective.