uartctrl.h

一个串口的完整FPGA工程

#ifndef __UARTCTRL_H
#define __UARTCTRL_H

#define FPGA_UART_EN    1

/*
 *  根据代码配置, 选择FPGA配置的UART或单片机内部UART
 */
#ifndef FPGA_UART_EN
#error Have not define the macro FPGA_UART_EN
#endif
#if FPGA_UART_EN > 0
#define X_UDR		FPGA_UDR
#define X_UCSRA		FPGA_UCSRA
#define X_UCSRB		FPGA_UCSRB
#define X_UCSRC		FPGA_UCSRC
#define X_UBRRH		FPGA_UBRRH
#define X_UBRRL		FPGA_UBRRL
#else
#define X_UDR		UDR0
#define X_UCSRA		UCSR0A
#define X_UCSRB		UCSR0B
#define X_UCSRC		UCSR0C
#define X_UBRRH		UBRR0H
#define X_UBRRL		UBRR0L
#endif


void uartInit (void);

void uartPrint (char *);

void uartSendChar (char  c);

void uartSendCharNoblock (char  c,  BOOL  bNewDat);

char uartGetChar (void);

#endif  //  #ifndef __UARTCTRL_H