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Function rc_uart_write

Function Documentation

int rc_uart_write(int bus, uint8_t *data, size_t bytes)

Sends data out the uart port.

Parameters

  • bus – [in] The bus number /dev/ttyO{bus}

  • data – [in] data pointer

  • bytes – [in] number of bytes to send

Returns

returns number of bytes sent or -1 on error