?? transfer_word.c
字號:
#include "../spi.h"
u16 SPI_transfer_word(u16 data)
{
u16 rxData = 0;
// send MS byte of given data
rxData = (SPI_transfer_byte((data>>8) & 0x00FF))<<8;
// send LS byte of given data
rxData |= (SPI_transfer_byte(data & 0x00FF));
// return the received data
return rxData;
}
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