feat: support transceiver for H7, L5 and U5 #51
Merged
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To specifies whether external Transceiver is present and enabled (Available only on some STM32) add:
#define USE_SD_TRANSCEIVER 1
Then define pins:
SD_TRANSCEIVER_EN
pin number to enable the level shifterSD_TRANSCEIVER_SEL
pin number for voltage selection