iar-

IAR_example_EasyARM8962.zip

/****************************************Copyright (c)****************************************************
**                               Guangzhou ZHIYUAN electronics Co.,LTD.
**                                     
**                                 http://www.embedtools.com
**
**--------------File Info---------------------------------------------------------------------------------
** File Name:               Main.c
** Last modified Date:      2007.09.27
** Last Version:            v1.0
** Description:             串口驱动主文件
** 
**--------------------------------------------------------------------------------------------------------
** Created By:              Zhou Shaogang
** Created date:            2007.09.27
** Version:                 v1.0
** Descriptions:
**
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.10.20 
** Version:                 v1.1
** Description:
**
**--------------------------------------------------------------------------------------------------------
** Modified by:             Kang qinhua
** Modified date:           2008.01.13
** Version:                 v1.2
** Description:
**
*********************************************************************************************************/

#include "config.h"
uint32 __uiUartTmr = 0;

/*********************************************************************************************************
** Function name:           Timer1Init
** Descriptions:            定时器初始化函数,定时器1配置成32位周期定时器模式
** input parameters:        无
** output parameters:       无
** Returned value:          无
** Created By:              Zhou Shaogang
** Created date:            2007.09.27
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.10.20
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void Timer1Init (uint32  ulTick, uint8  ucPrio)
{
    SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER1);                       /*  使能定时器1系统外设         */
    TimerConfigure(TIMER1_BASE, TIMER_CFG_32_BIT_PER);                  /*  设置定时器1为32位           */
    TimerLoadSet(TIMER1_BASE, TIMER_A, ulTick);                         /*  设置中断周期                */
    IntEnable(INT_TIMER1A);                                             /*  使能定时器1系统中断         */
    TimerIntEnable(TIMER1_BASE, TIMER_TIMA_TIMEOUT);                    /*  使能超时中断                */
    IntPrioritySet(INT_TIMER1A, ucPrio);                                /*  设置中断优先级              */
    TimerEnable(TIMER1_BASE, TIMER_A);                                  /*  打开定时器1                 */
}
/*********************************************************************************************************
** Function name:           Timer1A_ISR
** Descriptions:            定时器中断服务函数,用作串口计时器
**                          用KEIL软件时，在Startup.S中添加该中断函数名
** input parameters:        无
** output parameters:       无
** Returned value:          无
** Created By:              Zhou Shaogang
** Created date:            2007.09.27
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.10.20
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void Timer1A_ISR (void)
{
    __uiUartTmr++;                                                      /*  串口计时器加1               */
    TimerIntClear(TIMER1_BASE, TIMER_TIMA_TIMEOUT);                     /*  清除中断标志                */
}
/*********************************************************************************************************
** Function name:           main	   
** Descriptions:            该范例程序演示了如何使用UART功能上位机通过串口发来数据后,   
                            系统再将数据回送到上位机. 其中数据队列的引入方便对更多数据的操作.                   
** input parameters:        无
** output parameters:       无      
** Returned value:          无	 
** Created By:              Zhou Shaogang
** Created date:            2007.09.27
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.10.20
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
int main (void)
{
    uint32 i;
    ucBit = 0;
    for (i = 0; i < 0x000FFFF; i++) {                                   /*  复位消颤                    */
        ;
    } 
    SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
                   SYSCTL_XTAL_6MHZ);                                   /*  系统时钟从6MHz晶振直接引入  */

    IntMasterEnable();                                                  /*  使能全局中断                */

    Uart0Init(115200, 1);                                               /*  初始化串口0，波特率115200， */
                                                                        /*  中断优先级为1               */            
    while (1) {
        while (ucBit) {
            Uart0Send(ucBuffer, ucNum);                                 /*  回发数据                    */
            ucBit = 0;                                                  /*  清发送标志                  */
            ucNum = 0;                                                  /*  清数据个数                  */
        }
    } 
} 

/*********************************************************************************************************
  END FILE
*********************************************************************************************************/