target.c

基于ARM7的ucos-ii移动收发通信编程ADS开发源码

/****************************************Copyright (c)**************************************************
**                                       北京东方信联
**                                 石家庄东方信联通信研究所
**                                      直放站外挂监控
**								   http://www.telestone.com
**--------------文件信息--------------------------------------------------------------------------------
**文   件   名: tatget.c
**最后修改日期: 2007年08月15日
**最后的版本号: V1.0
**描        述: 目标板初始化
**--------------历史版本信息----------------------------------------------------------------------------
** 创建人: 崔敬军
** 版  本: V1.0
** 日　期: 2007年08月15日
** 描　述: 原始版本
**
**------------------------------------------------------------------------------------------------------
**--------------当前版本修订----------------------------------------------------------------------------
** 修改人:
** 日　期:
** 描　述:
**
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
#define IN_TARGET
#include "config.h"

extern struct UART uart[SYS_COM_NUM];
/*********************************************************************************************************
** Function name:			IRQ_Exception
**
** Descriptions:			interrupt exceptional handler , change it as needed
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				cuijingjun
** Created Date:			2007/08/15
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void IRQ_Exception(void)
{
         
}
/*********************************************************************************************************
** Function name:			FIQ_Exception
**
** Descriptions:			Fast interrupt exceptional handler , change it as needed
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				cuijingjun
** Created Date:			2007/08/15
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void FIQ_Exception(void)
{
    
}
/*********************************************************************************************************
** Function name:			Timer0_Exception
**
** Descriptions:			Timer0 interrupt service function
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				cuijingjun
** Created Date:			2007/08/15
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void Timer0_Exception(void)
{
    T0IR = 0x01;				// 清除中断标志
    VICVectAddr = 0;            // interrupt close 通知中断控制器中断结束
    OSTimeTick();				// OS心跳，10ms一个tick
}
/*********************************************************************************************************
** Function name:			Timer1_Exception
**
** Descriptions:			Timer1 interrupt service function
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				cuijingjun
** Created Date:			2007/08/15
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void Timer1_Exception(void)
{
    T1IR = 0x01;				// 清除中断标志
    VICVectAddr = 0;            // interrupt close 通知中断控制器中断结束
}
/*********************************************************************************************************
** Function name:			Timer0Init
**
** Descriptions:			Initialize the Time0
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				cuijingjun
** Created Date:			2007/08/15
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void Timer0Init(void)
{
    T0IR = 0xffffffff;
    T0TC = 0;									// 定时器设置为0
    T0TCR = 0x01;								// 启动定时器
    T0MCR = 0x03;								// 设置T0MR0匹配后复位T0TC,并产生中断标志
    T0MR0 = (Fpclk / OS_TICKS_PER_SEC);			// 10ms中断一次   
 }
/*********************************************************************************************************
** Function name:			Timer1Init
**
** Descriptions:			Initialize the Time1
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				cuijingjun
** Created Date:			2007/08/15
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void Timer1Init(void)
{
    T1IR = 0xffffffff;								// 清除全部匹配中断和捕获中断
    T1TC = 0;										// 清除T1定时器计数器
    T1TCR = 0x01;									// T1计数器使能
    T1MCR = 0x03;									// 设置T1MR0匹配后复位T1TC,并产生中断标志
    T1MR0 = (Fpclk / OS_TICKS_PER_SEC);				// 10ms中断一次
}
/*********************************************************************************************************
** Function name:			Uart0_Exception
**
** Descriptions:			Uart0 interrupt service function
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				cuijingjun
** Created Date:			2007/08/15
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void Uart0_Exception(void)
{
	uint8 IIR;
	uint32 temp;

	while(((IIR=U0IIR)&0x01)==0)
	{
		switch(IIR&0x0e)
		{
			case 0x02://THRE中断
				if(uart[0].sendend!=uart[0].sendhead)
				{
					U0THR=uart[0].send[uart[0].sendend++];
					uart[0].sendend=(uart[0].sendend%UART_FIFO_SIZE);
				}
			break;
			case 0x04://接受数据可用
				if((uart[0].rechead+1)!=uart[0].recend)
				{
					uart[0].rec[uart[0].rechead++]=U0RBR;
					uart[0].rechead=(uart[0].rechead%UART_FIFO_SIZE);
				}
				temp=U0RBR;
			break;
			case 0x06://RX线状态
				temp=U0LSR;//清楚中断标志
			break;
			case 0x0c://字符超时中断
				temp=U0RBR;
			break;
			default:
			break;
		}
	}
	VICVectAddr=0x00;
}
/*********************************************************************************************************
** Function name:			Uart1_Exception
**
** Descriptions:			Uart1 interrupt service function
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				cuijingjun
** Created Date:			2007/08/15
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void Uart1_Exception(void)
{
	uint8 IIR;
	uint32 temp;

	while(((IIR=U1IIR)&0x01)==0)
	{
		switch(IIR&0x0e)
		{
			case 0x02://THRE中断
				if(uart[1].sendend!=uart[1].sendhead)
				{
					U1THR=uart[1].send[uart[1].sendend++];
					uart[1].sendend=(uart[1].sendend%UART_FIFO_SIZE);
				}
			break;
			case 0x04://接受数据可用
				if((uart[1].rechead+1)!=uart[1].recend)
				{
					uart[1].rec[uart[1].rechead++]=U1RBR;
					uart[1].rechead=(uart[1].rechead%UART_FIFO_SIZE);
				}
				temp=U1RBR;
			break;
			case 0x06://RX线状态
				temp=U1LSR;//清楚中断标志
			break;
			case 0x0c://字符超时中断
				temp=U1RBR;
			break;
			default:
			break;
		}
	}
	VICVectAddr=0x00;
}
/*********************************************************************************************************
** Function name:			VICInit
**
** Descriptions:			Initialize the Interrupt Vevtor Controller
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				cuijingjun
** Created Date:			2007/08/15
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void VICInit(void)
{
    extern void IRQ_Handler(void);
    extern void Timer0_Handler(void);
    extern void Timer1_Handler(void);
	extern void Uart1_Handler(void);
	extern void Uart0_Handler(void);
	extern void	I2c_Handler(void);

    VICIntEnClr = 0xffffffff;					// 禁止所有中断
    
    VICDefVectAddr = (uint32)IRQ_Handler;

	// 设置定时器0中断IRQ													
    VICVectAddr0 = (uint32)Timer0_Handler;
    VICVectCntl0 = (0x20 | 0x04);
	VICIntEnable = (1 << 0x04);
    // 设置定时器1中断IRQ													
	VICVectAddr1 = (uint32)Timer1_Handler;		// 设置中断服务程序地址
	VICVectCntl1 = (0x20|0x05);					// 设置定时器1中断通道分配最高优先级
	VICIntEnable = (1 << 0x05);					// 使能定时器1中断