main.c

zigbee 飞思卡尔 音频传输 基于ucos的所有源码

* Description : This function is called to initialize a periodic time source which will be used as the
*               clock tick for uC/OS-II.  The interrupt handler MUST point to OSTickISR (see OS_CPU_A.S).
*
*********************************************************************************************************
*/

static void AppTickInit (void)
{
	OSVectSet(119, (void (*)(void))OSTickISR);  /* Point the Timer 0 vector 55 to the int handler   */
   
	MCF_PIT0_PCSR = MCF_PIT_PCSR_PRE(8) | MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD;
	MCF_PIT0_PMR = 312500/OS_TICKS_PER_SEC;
	MCF_PIT0_PCSR |= MCF_PIT_PCSR_PIF | MCF_PIT_PCSR_EN;
	
    return;

}

/*//comment by michael chen
void led_toggle(INT8U led)
{
	unsigned char i;
	switch(led)
	{
		case 0x01:
		case 0x02:
		case 0x04:
		case 0x08:
		case 0x10:
		case 0x20:
		case 0x40:
		case 0x80:
			OS_ENTER_CRITICAL();
			leds ^= led;
	//		printf("\nled is %02X.\n", led);
			i = MCF_GPIO_PORTTC;
			//printf("\ni is %02X.\n", i);
			i = i & led;
			if(i == 0x00)
			{
				MCF_GPIO_PORTTC = MCF_GPIO_PORTTC | led;								
			}
			else
			{
				MCF_GPIO_CLRTC = MCF_GPIO_PORTTC & ~led;
			}
			OS_EXIT_CRITICAL();
			(leds & led) ? led_enable(led) : led_disable(led);
		default:
			break;
	}
}


void led_disable(INT8U led)
{

}


void led_enable(INT8U led)
{

}


unsigned char get_sw(void)
{

	return 0x55;
}


void gpt_init(void)
{	

}

*/
void isr_init()
{
	INT16U int_no;
	
	MCF_INTC_IMRH = 0xFF7FFFFF;		// Enable PIT0 Int
	MCF_INTC_IMRL = 0xFFFFFFFE;		// Enable Global Ints
	MCF_INTC_ICR55 = 0x08;			// Int level 1, priority 0
	OSVectSet(0x45, (void (*)(void))timer0_handler); /* Setup the context switch exception    */
}

/*****************************************************
						MENU

function：实现菜单选择功能，用户根据按钮来选择加载不同的演示程序。
扩展：	用户可以在根据需要在这里添加自己的菜单和对应的演示程序。
被static void  AppStartTask (void *pdata)函数调用
******************************************************/
void	menu(void)
{
	/*初始化按键中断*/
	MCF_GPIO_PNQPAR = 0
    	    | MCF_GPIO_PNQPAR_IRQ1_IRQ1
    	    | MCF_GPIO_PNQPAR_IRQ4_IRQ4
    	    | MCF_GPIO_PNQPAR_IRQ5_IRQ5
    	    | MCF_GPIO_PNQPAR_IRQ6_IRQ6
    	    | MCF_GPIO_PNQPAR_IRQ7_IRQ7;
    
    ///* Set EPORT to look for level edges */
    
    MCF_EPORT_EPPAR = 0
    	| MCF_EPORT_EPPAR_EPPA4_LEVEL
        | MCF_EPORT_EPPAR_EPPA5_LEVEL
        | MCF_EPORT_EPPAR_EPPA6_LEVEL
        | MCF_EPORT_EPPAR_EPPA7_LEVEL;
    
    /* Set EPORT to look for rising edges */
    /*
    MCF_EPORT_EPPAR = 0
        | MCF_EPORT_EPPAR_EPPA4_RISING
        | MCF_EPORT_EPPAR_EPPA5_RISING
        | MCF_EPORT_EPPAR_EPPA6_RISING        
        | MCF_EPORT_EPPAR_EPPA7_RISING;  
     */
    /* Clear any currently triggered events on the EPORT */
    MCF_EPORT_EPIER = 0
        | MCF_EPORT_EPIER_EPIE4
        | MCF_EPORT_EPIER_EPIE5
        | MCF_EPORT_EPIER_EPIE6
        | MCF_EPORT_EPIER_EPIE7;
    
    
        
    /* Enable interrupts in the interrupt controller */
    MCF_INTC_IMRL &= ~(0
        | MCF_INTC_IMRL_MASK4 
        | MCF_INTC_IMRL_MASK5
        | MCF_INTC_IMRL_MASK6 
        | MCF_INTC_IMRL_MASK7 
        | MCF_INTC_IMRL_MASKALL);
	
	OSVectSet 	(64+4,(void (*)(void))sw2_interrupt);//安装isr
	OSVectSet	(64+5,(void	(*)(void))sw3_interrupt);
	OSVectSet	(64+6,(void	(*)(void))sw4_interrupt);
	OSVectSet	(64+7,(void	(*)(void))sw5_interrupt);
	
	MCF_EPORT_EPIER = MCF_EPORT_EPIER | 0x10;//enable IRQ4－7
	
	/*set portDD direction to output*/
	MCF_GPIO_DDRDD = 0xff;
	
	
	printf("\n\nHHMCF5213EVB-KIRIN-R1!!!\n\r");
	printf("this is the menu for demo:\n\r");
	printf("00	(sw2 and sw2==1+1=2):	play audio out!\n\r");
	printf("01	(sw3 and sw2==2+1=3):	play audio in and out!\n\r");
	printf("02	(sw3 and sw3==2+2=4):	play RS485!(115200-N-1)\n\r");
	printf("03	(sw4 and sw2==4+1=5):	play UART2!\n\r");
	printf("04	(sw4 and sw3==4+2=6):	play FlexCan\n\r");
	printf("05	(sw4 and sw4==4+4=8):	play RTC(use I2C)!\n\r");
	printf("06	(sw5 and sw2==8+1=9):	play ZigBee point to point!(audio communication)\n\r");
	printf("waiting for your choice...\n\r");
	
	button_value_current = 0;
	button_flag = 0;
	button_value = 0;
	
	while(1)
	{
		if(button_flag ==2)
		{
			switch(button_value)
			{
				case	2:
					printf("\n\nStart to play audio out demo...\r\n");
					
					OSTaskCreate(AppTaskPwm, NULL, (void *)&AppTaskPwmStk[256], 5);
					
					goto out_of_menu;
					break;
				case	3:
					printf("\n\nStart to play audio in and out demo...\r\n");
					
					OSTaskCreate(AppTaskAudioInOut,NULL,(void *)&AppTaskAudioInOutStk[256],6);
					
					goto out_of_menu;
					break;
				case	4:
					printf("\n\nStart to play RS485 demo ...\r\n");
					printf("\nwe set RS485 port parameter as :\n");
					printf("\nbaud:		115200");
					printf("\ndata bits:	8");
					printf("\nNo parity");
					printf("\nNo flowcontrol\n");
					OSTaskCreate(AppTaskRs485,NULL,(void *)&AppTaskRs485Stk[256],7);
					
					goto out_of_menu;
					break;
				case	5:
					printf("\n\nStart to play UART2 demo ...\r\n");
					printf("\nwe set UART2 port parameter as :\n");
					printf("\nbaud:		115200");
					printf("\ndata bits:	8");
					printf("\nNo parity");
					printf("\nFlow control\n");
					OSTaskCreate(AppTaskUart2,NULL,(void *)&AppTaskUart2Stk[256],8);
					
					goto out_of_menu;	
					break;
				case	6:
					printf("\n\nStart to play FlexCan demo ...\r\n");
					
					OSTaskCreate(AppTaskFlexCAN,NULL,(void *)&AppTaskFlexCANStk[256],9);

					
					goto out_of_menu;	
					break;
				case	8:
					printf("\n\nStart to play RTC demo(use I2C) ...\r\n");
					
					OSTaskCreate(AppTaskI2cIsl1208,NULL,(void *)&AppTaskI2cIsl1208Stk[256],10);

					
					goto out_of_menu;	
					break;
				case	9:
					printf("\n\nStart to play ZigBee point to point  demo ...\r\n");
					
					OSTaskCreate(AppTaskZigbee,NULL,(void *)&AppTaskZigbeeStk[256],10);

					
					goto out_of_menu;	
					break;
				
				default:
					printf("\n\nSorry!you have pressed wrong button!\nwaiting for your choice...\n");
			}
			button_value_current = 0;
			button_flag = 0;
			button_value = 0;
		}
		else
		{
			if (button_flag>2)
			{
				printf("\n\nSorry!You have pressed wrong button!\nwaiting for your choice...\n");
				button_value_current = 0;
				button_flag = 0;
				button_value = 0;			
			}
			
		}	
	}
	out_of_menu:
		led_display(button_value);
}