key_bak

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· 代码 · 共 297 行

#include <bsp.h>
#include <jz4740.h>
#include <ucos_ii.h>
#include <key.h>
#include <threadprio.h>
#ifdef USE_MIDWARE
#include "midware.h"
#endif
#define KEY_TASK_STK_SIZE	1024
#define KEY_TASK_PRIO	KEY_THREAD_PRIO //1

static OS_EVENT *key_sem;
static OS_STK KeyTaskStack[KEY_TASK_STK_SIZE];
extern void KeydownInfo();
extern u8 LcdState;
PFN_KEYHANDLE UpKey = NULL;

PFN_KEYHANDLE DownKey = NULL;
//PFN_KEYHANDLE UpKeyHandle = NULL;
//PFN_KEYHANDLE DownKeyHandle = NULL;

#define POWER_OFF_PIN    (29 + 3 * 32)	//GPD29
#define POFF_TASK_STK_SIZE       128
#define POFF_EACH_TIME    100
#define POFF_TRY_TIME     20

#define KEY_DETECT_REPEAT_TIME 100
#define KEY_REPEAT_TIME 50
#define KEY_DELAY_TIME 1
#undef printf
#define printf(x,args...)

#ifdef USE_MIDWARE
volatile static MIDSRC keysrc;
volatile static MIDSRCDTA res;
volatile static u32 keyid;

volatile static MIDSRC poffsrc;
volatile static MIDSRCDTA res;
//volatile static u8 cardstate ;
static u32 poffid;


static int DownKeyHandle();
static void UpKeyHandle();

static void info_power_off()
{
	keysrc.Src = SRC_POWER_OFF;
	keysrc.Event = EVENT_POWER_OFF;
	OSQPost(keysrc.CurEvent1 , (void *)&keyid);
	OSSemPost(keysrc.CurEvent);
}
static void GetRequest(MIDSRCDTA *dat)
{
//	printf("Up layer get :%d \n",res.Val);
}

static void Response(MIDSRCDTA *dat)
{
	if ( dat->Val == 1 )
	{
		printf("Check can power off or not ! \n");
		ShutLcd(0);

		cli();
		while(1)
		{
			while( !(__gpio_get_pin(POWER_OFF_PIN)) );
                //wait until key up
			mdelay(200);
			if ( __gpio_get_pin(POWER_OFF_PIN) == 1 )  //really power off
			{
				
				jz_pm_hibernate();
			}
		}
	}
	else
		printf("Can not power off ! \n");
}

void check_poweroff()
{
	int i;
	for ( i = 0; i < POFF_TRY_TIME ; i ++ )
	{
		OSTimeDlyHMSM(0,0,0,POFF_EACH_TIME);
		if ( __gpio_get_pin(POWER_OFF_PIN) ==1 )
			break;
		printf("Power key keep low! \n");
	}
	if ( i >= POFF_TRY_TIME )  //really power off!
	{
		info_power_off();
	}
	else
	{
		DownKeyHandle( 0x40 );
		UpKeyHandle( 0x40 );
	}
}
#endif

static void UpKeyHandle(int key) 
{

#ifdef USE_MIDWARE
	OSQPost(keysrc.CurEvent1 , (void *)&keyid);
	keysrc.Src = SRC_KEY;
	OSSemPost(keysrc.CurEvent);
	printf("Key Up %d ! \n",LcdState);
#endif
		if(UpKey) UpKey(key);
}

static int DownKeyHandle(int key) 
{
	u8 err;
#ifdef USE_MIDWARE
	OSQPost(keysrc.CurEvent1 , (void *)&keyid);
	keysrc.Src = SRC_KEY;
	OSSemPost(keysrc.CurEvent);
	printf("Key Down %d ! \n",LcdState);
#endif
	if(DownKey) DownKey(key);
}

static void key_interrupt_handler(u32 arg)
{
	__gpio_mask_irq(POWER_OFF_PIN);
	
	OSTaskChangePrio( KEY_TASK_PRIO + 150, KEY_TASK_PRIO );
	OSSemPost(key_sem);
}

static void KeyTaskEntry(void *arg)
{
	u8 err;
	u16 i,run,count = 0,count1=0;
	u32 key,oldkey,key1,oldkey1;
	u32 upkey = 0;
	u32 keyrepeat = KEY_DETECT_REPEAT_TIME / KEY_DELAY_TIME;
	printf("Key Install \r\n");
	while(1)
	{
		//OSTaskChangePrio( KEY_TASK_PRIO, KEY_TASK_PRIO + 150 );
		OSSemPend(key_sem, 20, &err);
	
#ifdef USE_MIDWARE
		if ( __gpio_get_pin(POWER_OFF_PIN) == 0 )
		{
			check_poweroff();
			goto out;
		}
#endif
		oldkey = Read_Adkey();

#if SLCDTYPE == 102
		if(!__gpio_get_pin(32*2 + 18))
			oldkey |= 0x40; 
		if(!__gpio_get_pin(32*2 + 21))	
			oldkey |= 0x01; 
#elif SLCDTYPE ==101
		if(!__gpio_get_pin(32*2 + 18))
			oldkey |= 0x01; 
#endif	
		
		run = 1;
		count = 0;
		keyrepeat = KEY_DETECT_REPEAT_TIME / KEY_DELAY_TIME;
		while(run)
		{
			
			OSTimeDly(KEY_DELAY_TIME);
			key=Read_Adkey();

#if SLCDTYPE == 102 			
			if(!__gpio_get_pin(32*2 + 18))
				key |= 0x40; 
			if(!__gpio_get_pin(32*2 + 21))	
				key |= 0x01; 
#elif SLCDTYPE == 101
			if(!__gpio_get_pin(32*2 + 18))
				key |= 0x01; 
#endif			
			printf("%s.%s key =0x%x", __FILE__, __func__, key);	
			
	             if(key==0 && oldkey==0)
					run=0;
			if(key ^ oldkey)
			{
				
				oldkey = key;
				continue;
			}
			
			else
			{
				if(key)
				{
					
					if(key & (~upkey) )
					{
						
						DownKeyHandle(key & (~upkey));
						printf("read adkey = %x\n",key);
					}
					  
					else
					{
						if((key ^ upkey) & upkey)
							UpKeyHandle((key ^ upkey) & upkey);
						      printf("UpKeyHandle()\n");
					}
					if(key == upkey)
					{
						count++;
					
						if(count > keyrepeat)
						{
							count = 0;
						    upkey = 0;
							keyrepeat = KEY_REPEAT_TIME / KEY_DELAY_TIME;
						}
					}else
					{
						count = 0;
						//UpKeyHandle(key);
					    upkey = key;
					}
					
				}else
				{
					if(upkey && key==0)
						UpKeyHandle(upkey);
					run = 0;
					upkey =0;
					
				}
				
				
			}
			
		}

	out:		

		__gpio_ack_irq(POWER_OFF_PIN);
		//ack_irq(48 + POWER_OFF_PIN);
		__gpio_unmask_irq(POWER_OFF_PIN);


	}
	
}

void KeyInit() 
{
	int i;
	key_sem = OSSemCreate(0);
#ifdef USE_MIDWARE
	keysrc.GetRequest = GetRequest;
	keysrc.Response = Response;
	keysrc.Name = "KEY";
	RegisterMidSrc((PMIDSRC)&keysrc);
	keyid = keysrc.ID;

	__gpio_mask_irq(POWER_OFF_PIN);
	__gpio_as_func0(POWER_OFF_PIN);
	__gpio_as_input(POWER_OFF_PIN);
	__gpio_disable_pull(POWER_OFF_PIN);

#endif

	request_irq(48 + POWER_OFF_PIN, key_interrupt_handler, 0);

   	OSTaskCreate(KeyTaskEntry, (void *)0,
		     (void *)&KeyTaskStack[KEY_TASK_STK_SIZE - 1],
		     KEY_TASK_PRIO);
	__gpio_as_irq_fall_edge(POWER_OFF_PIN);	
	__gpio_unmask_irq(POWER_OFF_PIN);

#if SLCDTYPE == 102	
	__gpio_as_input(32*2 + 18);
	//__gpio_enable_pull(32*2 + 18);
	__gpio_as_input(32*2 + 21);
	//__gpio_enable_pull(32*2 + 21);
#elif SLCDTYPE == 101
	__gpio_as_input(32*2 + 18);
#endif
	
}