console.h

基于ATmega128的无线通信节点程序

/*********************************************************************

 串口通信头文件

 *********************************************************************
 * 文件名:       Console.h
 * 描述:
 * 处理器:       Mega128
 * 编译器:       WinAVR
 *-------------------------------------------------------------------
 * 编者               日期    备注
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * 陈火健         03/31/06 
 ********************************************************************/

#ifndef _Console_h
#define _Console_h

//.................................................................................................

#define INIT_UART0(baudRate,options) \
 do { \
        UBRR0H = (baudRate) >> 8; \
        UBRR0L = (baudRate); \
        UCSR0C = (unsigned char) options; \
        if (options > 0xFF) { \
            UCSR0B |= 0x04; \
        } else { \
            UCSR0B &= ~0x04; \
        } \
        UCSR0A |= (1<<U2X0); \
           } while (0)

// Baud rate codes for use with the INIT_UART1 macro
#define UART_BAUDRATE_2K4           416
#define UART_BAUDRATE_4K8           207
#define UART_BAUDRATE_9K6           103
#define UART_BAUDRATE_14K4          68
#define UART_BAUDRATE_19K2          51
#define UART_BAUDRATE_28K8          34
#define UART_BAUDRATE_38K4          25
#define UART_BAUDRATE_57K6          16
#define UART_BAUDRATE_76K8          12
#define UART_BAUDRATE_115K2         8

    
// Options for use with the INIT_UART1 macro
#define UART_OPT_ONE_STOP_BIT       0
#define UART_OPT_TWO_STOP_BITS      0x08
#define UART_OPT_NO_PARITY          0
#define UART_OPT_EVEN_PARITY        0x20
#define UART_OPT_ODD_PARITY         0x30
#define UART_OPT_5_BITS_PER_CHAR    0
#define UART_OPT_6_BITS_PER_CHAR    0x02
#define UART_OPT_7_BITS_PER_CHAR    0x04
#define UART_OPT_8_BITS_PER_CHAR    0x06
#define UART_OPT_9_BITS_PER_CHAR    0x0406
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// Enable/disable macros

// Enable/disable UART1
#define ENABLE_UART0()              (UCSR0B |= ((1<<RXEN0) | (1<<TXEN0))) 
#define DISABLE_UART0()             (UCSR0B &= ~((1<<RXEN0) | (1<<TXEN0)))
//#define ENABLE_UART1()              (UCSR1B |= (BM(RXEN1) | BM(TXEN1))) 
//#define DISABLE_UART1()             (UCSR1B &= ~(BM(RXEN1) | BM(TXEN1)))
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// Macros which are helful when transmitting and receiving data over the serial interface.
//
// Example of usage:
//      UART1_SEND(pData[0]);
//      for (i = 1; i < len; i++) {
//          UART1_WAIT_AND_SEND(pData[i]);
//      }

#define UART0_SEND_WAIT()                { while (!(UCSR0A & BM(UDRE0))); } 
#define UART0_PUTC(x)      { UART0_SEND_WAIT(); UDR0=(x); } 
#define UART0_RECEIVE_WAIT()                { while (!(UCSR0A & BM(RXC0))); } 
#define UART0_GETC(x)    { UART0_RECEIVE_WAIT();(x)=UDR0;} 

#define ConsoleInit()     {	INIT_UART0(UART_BAUDRATE_9K6,UART_OPT_8_BITS_PER_CHAR|UART_OPT_ONE_STOP_BIT|UART_OPT_NO_PARITY);ENABLE_UART0();}
#define ConsolePut(x)    UART0_PUTC(x) 
#define ConsoleGet(x)    UART0_GETC(x) 

#define ConsoleIsPutReady() (UCSR0A & BM(UDRE0))

#endif