target.c

ZLG的EASYARM8962开发板Keil实验例程

    {
 	    GPIOPinWrite(BUZ_GPIO_PORT, BUZ_PIN, ~BUZ_PIN);
    }
#endif


/*********************************************************************************************************
** Function name:			buzOff
** Descriptions:			Switch off the buzzer 关闭蜂鸣器
** Input parameters:		None 无
** Output parameters:		None 无
** Returned value:		    None 无
** Created by:				Steven Zhou 周绍刚
** Created Date:			2007.01.18
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.11.02
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
#if TARGET_BUZ_EN > 0
    void  buzOff (void)
    {
	    GPIOPinWrite(BUZ_GPIO_PORT, BUZ_PIN, BUZ_PIN);
    }
#endif


/*********************************************************************************************************
** Function name:			buzToggle
**
** Descriptions:			Toggle the buzzer 取反蜂鸣器
** Input parameters:		None 无
** Output parameters:		None 无
** Returned value:		    None 无
** Created by:				Steven Zhou 周绍刚
** Created Date:			2007.01.18
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.11.02
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
#if TARGET_BUZ_EN > 0
    void buzToggle (void)    
    {
	    GPIOPinWrite(BUZ_GPIO_PORT, BUZ_PIN, ~GPIOPinRead(BUZ_GPIO_PORT, BUZ_PIN));
    }
#endif


/*********************************************************************************************************
** Function name:			keyInit
** Descriptions:			Initialize the target board's keys,support up to 4 keys 
**                          初始化目标板的按键，最多支持4个
** Input parameters:		None 无
** Output parameters:		None 无
** Returned value:		    None 无
** Created by:				Steven Zhou 周绍刚
** Created Date:			2007.01.18
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.11.02
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
#if (TARGET_KEY1_EN > 0) ||  (TARGET_KEY2_EN > 0) || (TARGET_KEY3_EN > 0) || (TARGET_KEY4_EN > 0)
    void keyInit (void)    
    {
        #if TARGET_KEY1_EN > 0
 	        SysCtlPeripheralEnable(KEY1_SYSCTL);
	        GPIODirModeSet(KEY1_GPIO_PORT, KEY1_PIN, GPIO_DIR_MODE_IN);
            GPIOPadConfigSet(KEY1_GPIO_PORT, KEY1_PIN, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD);
        #endif	
 
        #if TARGET_KEY2_EN > 0
 	        SysCtlPeripheralEnable(KEY2_SYSCTL);
	        GPIODirModeSet(KEY2_GPIO_PORT, KEY2_PIN, GPIO_DIR_MODE_IN);
            GPIOPadConfigSet(KEY2_GPIO_PORT, KEY2_PIN, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD);
        #endif	    

        #if TARGET_KEY3_EN > 0
 	        SysCtlPeripheralEnable(KEY3_SYSCTL);
	        GPIODirModeSet(KEY3_GPIO_PORT, KEY3_PIN, GPIO_DIR_MODE_IN);
            GPIOPadConfigSet(KEY3_GPIO_PORT, KEY3_PIN, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD);
        #endif	  

        #if TARGET_KEY4_EN > 0
 	        SysCtlPeripheralEnable(KEY4_SYSCTL);
	        GPIODirModeSet(KEY4_GPIO_PORT, KEY4_PIN, GPIO_DIR_MODE_IN);
            GPIOPadConfigSet(KEY4_GPIO_PORT, KEY4_PIN, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD);
        #endif	  
    }
#endif


/*********************************************************************************************************
** Function name:			keyRead
** Descriptions:			Read the status of the keys. 读取按键的状态
** Input parameters:		None 无
** Output parameters:		None 无
** Returned value:	        8-bit unsigned char data. Bit0-bit3 stand for the status of Key1-Key4,
**                          bit4-Bit7 no meaning
**                          8位无符号数，位0－位3表示Key1-Key4的状态，位4－位7无意义         
** Created by:				Steven Zhou 周绍刚
** Created Date:			2007.01.18
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.11.02
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
#if (TARGET_KEY1_EN > 0) ||  (TARGET_KEY2_EN > 0) || (TARGET_KEY3_EN > 0) || (TARGET_KEY4_EN > 0)
    INT8U keyRead (void)
    {
 	    INT8U ucTemp;

 	    ucTemp = 0xFF;

        #if TARGET_KEY1_EN > 0
	        if (!GPIOPinRead(KEY1_GPIO_PORT, KEY1_PIN)) {
                ucTemp &= 0xFE;  
            }
        #endif

        #if TARGET_KEY2_EN > 0
	        if (!GPIOPinRead(KEY2_GPIO_PORT, KEY2_PIN)) { 
                ucTemp &= 0xFD; 
            }
        #endif

        #if TARGET_KEY3_EN > 0
            if (!GPIOPinRead(KEY3_GPIO_PORT, KEY3_PIN)) {
                ucTemp &= 0xFB; 
            }
        #endif

        #if TARGET_KEY4_EN > 0
	        if (!GPIOPinRead(KEY4_GPIO_PORT, KEY4_PIN)) {
                ucTemp &= 0xF7; 
            }
        #endif     

 	    return(ucTemp);
    }
#endif


/*********************************************************************************************************
** Function name:			timer0AInit
** Descriptions:			Initialize Timer0A to 32bit timeout 初始化定时器0A为32位超时
** Input parameters:		Tick: Number of timeout tick 超时脉冲数
                            Prio: Interrupt priority 中断优先级
** Output parameters:		None 无
** Returned value:		    None 无
** Created by:				Steven Zhou 周绍刚
** Created Date:			2007.01.18
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.11.02
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
#if TARGET_TMR0A_EN > 0
    void timer0AInit (INT32U  ulTick, INT8U  ucPrio)
    {

	    SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
  	    TimerConfigure(TIMER0_BASE, TIMER_CFG_32_BIT_PER);
  	    TimerLoadSet(TIMER0_BASE, TIMER_A, ulTick);
  	    TimerIntEnable(TIMER0_BASE, TIMER_TIMA_TIMEOUT);
  	    IntEnable(INT_TIMER0A);
  	    IntPrioritySet(INT_TIMER0A, ucPrio);
	    TimerEnable(TIMER0_BASE, TIMER_A);  	  
    }
#endif


/*********************************************************************************************************
** Function name:			timer0AISR
** Descriptions:			Timeout interrupt handler of Timer0A 定时器0A超时中断
** Input parameters:		None 无
** Output parameters:		None 无
** Returned value:		    None 无        
** Created by:				Steven Zhou 周绍刚
** Created Date:			2007.01.18
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.11.02
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
#if TARGET_TMR0A_EN > 0
    void timer0AISR (void)
    {
        /*
         *  Optional Code. If you don't call any uC/OS-II's functions & variables, 
         *  this code can be cancelled.
         *  选择代码,如果你没有调用任何的uC/OS-II的函数和变量，可选择不编译这段代码.
         */ 
        #if 0
            #if OS_CRITICAL_METHOD == 3
                OS_CPU_SR cpu_sr;
            #endif 

            OS_ENTER_CRITICAL();                       
            OSIntNesting++;
            OS_EXIT_CRITICAL();
        #endif 
  
        TimerIntClear(TIMER0_BASE, TIMER_TIMA_TIMEOUT);	                /*  Clear the interrupt flag.   */
  
        /*
         *  Add you initialization code here.
         *  在这里加入你的初始化代码。
         */
        /*
         *  Optional Code. If you don't call any uC/OS-II's functions & variables, this code can be 
         *  cancelled.选择代码,如果你没有调用任何的uC/OS-II的函数和变量，可选择不编译这段代码.
         */ 
        #if 0 
            OSIntExit();
        #endif      					        
    }
#endif


/*********************************************************************************************************
** Function name:			tickInit
** Descriptions:			Initialize uC/OS-II's tick source(system timer)，
                            初始化uC/OS-II的时钟源（系统定时器）
** Input parameters:		None 无
** Output parameters:		None 无
** Returned value:		    None 无        
** Created by:				Steven Zhou 周绍刚
** Created Date:			2007.01.18
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.11.02
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
static  void  tickInit (void)
{
    SysTickPeriodSet((INT32U)(SysCtlClockGet() / OS_TICKS_PER_SEC) -1 );
    SysTickEnable();
    SysTickIntEnable();
}


/*********************************************************************************************************
** Function name:			tickISRHandler
** Descriptions:			Timeout interrupt handler of system timer 系统定时器超时中断
** Input parameters:		None 无
** Output parameters:		None 无
** Returned value:		    None 无        
** Created by:				Steven Zhou 周绍刚
** Created Date:			2007.01.18
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.11.02
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void  tickISRHandler (void)
{
    #if OS_CRITICAL_METHOD == 3
        OS_CPU_SR cpu_sr;
    #endif 

    OS_ENTER_CRITICAL();                         
    OSIntNesting++;
    OS_EXIT_CRITICAL();

    OSTimeTick();                                                       /*  Call uC/OS-II's OSTimeTick()*/

    OSIntExit();                                 
}


/*********************************************************************************************************
** Function name:			targetInit
** Descriptions:			Initialize the target board 初始化目标板
** Input parameters:		None 无
** Output parameters:		None 无
** Returned value:		    None 无        
** Created by:				Steven Zhou 周绍刚
** Created Date:			2007.01.18
**--------------------------------------------------------------------------------------------------------
** Modified by:             Ni Likao 倪力考
** Modified date:           2007.11.02
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void  targetInit (void)
{
    #if PLL_EN == 0                                                     /*  Not use PLL  不使用PLL      */ 
        SysCtlClockSet(CCLK_DIV | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN | EXT_CLK); 
                                                                        /*  System clock=               */
                                                                        /*  EXT_CLK/CCLK_DIV            */
                                                                        /*  系统时钟=EXT_CLK/CCLK_DIV   */ 

    #else                                                               /*  Use PLL  使用PLL            */  
        SysCtlClockSet(CCLK_DIV | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN | EXT_CLK); 
                                                                        /*  System clock=200MHz/CCLK_DIV*/
                                                                        /*  系统时钟=200MHz/CCLK_DIV    */ 
    #endif
  
    tickInit();                                                         /*  Initialize the uC/OS-II tick*/ 
                                                                        /*  interrupt,using the Kernal's*/
                                                                        /*   timer                      */    
	/*
     *  Add you initialization code here.
     *  在这里加入你的初始化代码。
     */
}


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