target.c

LPC2300 ucos工程模板,直接导入ADS

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			target.c
** Last modified Date:	2004-09-17
** Last Version:		1.0
** Descriptions:		header file of the specific codes for LPC2100 target boards
**						Every project should include a copy of this file, user may modify it as needed
**------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-02-02
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:			Chenmingji
** Modified date:		2004-09-17
** Version:				1.01
** Descriptions:		Renewed the template, added more compiler supports 
**
**------------------------------------------------------------------------------------------------------
** Modified by: 
** Modified date:
** Version:	
** Descriptions: 
**
********************************************************************************************************/

#define IN_TARGET
#include "config.h"

/*********************************************************************************************************
** 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:				Chenmingji
** Created Date:			2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void IRQ_Exception(void)
{
    while(1);                   // change it to your code  这一句替换为自己的代码
}

/*********************************************************************************************************
** 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:				Chenmingji
** Created Date:			2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void FIQ_Exception(void)
{
    while(1);                   // change it to your code  这一句替换为自己的代码
}
/*********************************************************************************************************
** Function name:			Timer0_Exception
**
** Descriptions:			Timer0 interrupt service function
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				Chenmingji
** Created Date:			2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void Timer0_Exception(void)
{
    T0IR = 0x01;
    VICVectAddr = 0;            //interrupt close 通知中断控制器中断结束
    OSTimeTick();
}

/*********************************************************************************************************
** Function name:			Timer0Init
**
** Descriptions:			Initialize the Time0
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				Chenmingji
** Created Date:			2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void Timer0Init(void)
{
    T0CTCR = 0x00;                  //timer0 work in timer mode
    T0TCR = 0x02;					//stop timer0
    T0IR = 0xffffffff;		        //Clean all timer0 interrupt flag
    T0TC = 0;
    T0MCR = 0x03;
    T0MR0 = (Fpclk / OS_TICKS_PER_SEC);
    T0TCR = 0x01;
 }
/*********************************************************************************************************
** Function name:			VICInit
**
** Descriptions:			Initialize the Interrupt Vevtor Controller
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				Chenmingji
** Created Date:			2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:				李仲生
** Modified date:			2007/01/16
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void VICInit(void)
{
    extern void Timer0_Handler(void);

    VICIntEnClr = 0xffffffff;
    VICVectAddr4 = (uint32)Timer0_Handler;
    VICVectPri4 = 0x04;
    VICIntEnable = 1 << 4;
 }

/*********************************************************************************************************
** Function name:			TargetInit
**
** Descriptions:			Initialize the target board; it is called in a necessary place, change it as 
**							needed
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				Chenmingji
** Created Date:			2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void TargetInit(void)
{
    OS_ENTER_CRITICAL();
    srand((uint32) TargetInit);
    VICInit();
    Timer0Init();
    OS_EXIT_CRITICAL();
}
/*********************************************************************************************************
** Function name:			InitialiseUART0
**
** Descriptions:			Initialize the Uart0
**
** input parameters:		None
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				Chenmingji
** Created Date:			2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:				李仲生
** Modified date:			2007/01/16
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void InitialiseUART0(uint32 bps)
{  	
    uint16 Fdiv;
    
    PINSEL0 = (PINSEL0 & 0xffffff0f) | 0x50;    /* Select the pins for Uart 选择管脚为UART0 */

    U0LCR = 0x80;                               /* Enable to access the frequenc regecter 允许访问分频因子寄存器 */
    Fdiv = (Fpclk / 16) / bps;                  /* Set the baudrate设置波特率 */
    U0DLM = Fdiv / 256;							
	U0DLL = Fdiv % 256;						
    U0LCR = 0x03;                               /* Disable to access the frequenc regecter 禁止访问分频因子寄存器 */
                                                /* set to 8,1,n 且设置为8,1,n */
	U0IER = 0x00;                               /* Disable interrupt禁止中断 */
    U0FCR = 0x00;                               /* initial FIFO 初始化FIFO */
} 
/*********************************************************************************************************
** Function name:			TargetResetInit
**
** Descriptions:			Initialize the target 
**