/****************************************Copyright (c)**************************************************
**                               Guangzhou ZHIYUAN electronics Co.,LTD.
**                                     
**                                 http://www.embedtools.com
**
**--------------File Info-------------------------------------------------------------------------------
** File Name:          Uart0.h
** Last modified Date: 2006-11-18
** Last Version:       v1.0
** Description:        串口驅(qū)動(dòng)頭文件
** 
**------------------------------------------------------------------------------------------------------
** Created By:         Zhou Shaogang
** Created date:       2006-11-18
** Version:            v1.0
** Descriptions:
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Description:
**
********************************************************************************************************/
  
#ifndef __UART0_H__
#define __UART0_H__

/************************************************************************************
** Function name: Uart0Init
** Descriptions:  初始化Uart0 
** Input:         BaudRate: 波特率
**                Prio:     中斷優(yōu)先級(jí)
** Output:        TRUE :成功
**                FALSE:失敗
** Created by:    Zhou Shaogang
** Created Date:  2006-11-18
**----------------------------------------------------------------------------------
** Modified by:
** Modified Date: 
**----------------------------------------------------------------------------------
************************************************************************************/
extern uint8 Uart0Init(uint32 BaudRate, uint8 Prio);


/************************************************************************************
** Function name: Uart0Send
** Descriptions:  發(fā)送多個(gè)字節(jié)數(shù)據(jù)
** Input:         Buffer:發(fā)送數(shù)據(jù)存儲(chǔ)位置
**                NByte:發(fā)送數(shù)據(jù)個(gè)數(shù)
** Output:        無(wú)
** Created by:    Zhou Shaogang 
** Created Date:  2006-11-18
**----------------------------------------------------------------------------------
** Modified by:
** Modified Date: 
**----------------------------------------------------------------------------------
************************************************************************************/
extern void Uart0Send(uint8 *Buffer, uint16 NByte);


/* 宏定義，設(shè)置FIFO的收發(fā)深度 */
#ifndef UART_O_IFLS
  #define UART_O_IFLS  0x00000034  
#endif

#define UARTFifoLevelSet(ulBase, RecLvl, TraLvl)  HWREG(ulBase + UART_O_IFLS) = (HWREG(ulBase + UART_O_IFLS) & 0xFFFFFFC0) | (RecLvl<<3) | TraLvl

/* 宏定義，檢查發(fā)送FIFO是否為空 */
#ifndef UART_O_FR
  #define UART_O_FR  0x00000018  
#endif
#ifndef UART_FR_TXFE
  #define UART_FR_TXFE 0x00000080  
#endif
#define UARTTraFifoEmp(ulBase) ( (HWREG(ulBase + UART_O_FR) & UART_FR_TXFE) ? true : false )

/* 給UART0發(fā)送列分配的空間大小 */
#define UART0_REC_QUEUE_LEN   100                    
extern uint8 Uart0_Rec_Queue[UART0_REC_QUEUE_LEN];

#endif