uart.h

一个LCD驱动程序

//*****************************************************************************
//
//  File........: UART.h
//
//  Author(s)...: ATMEL Norway
//
//  Target(s)...: ATmega169
//
//  Description.: Defines and prototypes for UART.C
//
//  Revisions...: 1.0
//
//  YYYYMMDD - VER. - COMMENT                                       - SIGN.
//
//  20021015 - 1.0  - File created                                  - LHM
//
//*****************************************************************************

//  Function declarations
    void UART_init(unsigned char);              //initialize the UART
    void Send_TX_data(void);                    //prepare a trasmission-packet in the transmit-buffer
    void Store_RX_data(void);                   //store data from receive-buffer to SRAM
    unsigned char HEX2ASCII(unsigned char);     //converts one hex-byte in to 2 or 3 ASCII bytes