/*
================================================================================
File?Name?:?main.c
Author????:?LiYong
Date??????:?2008-12-9?12:30
Version???:?1.0
Description?:?This?file?contains?the?main?entry?and?some?harware?operations
Note??????:
================================================================================
*/
#define?_MAIN_C_
#include?“mytypedef.h“
#include?“usb.H“
#include?“F32x_USB_Register.h“
#include?“sddriver.h“
#include?“C8051FMacros.H“

INT8U?USB_InBuff[EP1_PACKET_SIZE];
INT8U?USB_OutBuff[EP2_PACKET_SIZE];

/*Initialize?the?system?and?USB?clock*/
void?Clock_Init（?void?）;
/*Handle?the?bootloader?data*/
INT8U?BootloaderHandler（?void?）;
/*Initial?the?GPIOs?and?the?crossbar*/
void?GPIO_Init（?void?）;
/*Initialize?the?SPI?bus*/
void?SPI_Init（?void?）;

/*
================================================================================
Function?name?:?KeyScan（?）
Description???:?Scan?the?key?board?and?returns?the?events
Input?????????:?None
Output????????:?The?events?at?the?keyboard
================================================================================
*/
//P2.3?P2.4P2.5P2.6P2.7
static?INT8U?KeyStatus?=?0xFF;
static?INT8U?KeyValue?=?0;

#define?K_NONE???????????0x00
#define?K1_PRESS?????????0x01
#define?K2_PRESS?????????0x02
#define?K3_PRESS?????????0x03
#define?K4_PRESS?????????0x04
#define?K5_PRESS?????????0x05
#define?K6_PRESS?????????0x06

#define?K1_RELEASE???????0x10
#define?K2_RELEASE???????0x20
#define?K3_RELEASE???????0x30
#define?K4_RELEASE???????0x40
#define?K5_RELEASE???????0x50
#define?K6_RELEASE???????0x60
INT8U?KeyScan（?void?）
{
????volatile?INT8U?btmp;
	volatile?INT8U?x0x2;

????P0?|=?0x0F;
	P2?|=?0x03;
	for（btmp?=?0;?btmp?	btmp?=?（?P0?&?0x0F?）?|?（?（?P2?&?0x03?）?<????if（?KeyStatus?==?0xFF?）
????{
????????KeyStatus?=?btmp;
????}
????if（?KeyStatus?==?btmp?）
????{
????????return?K_NONE;
????}

	btmp?^=?KeyStatus;	//找出不同的bit
	KeyStatus?^=?btmp;	//btmp和KeyStatus交換

????if（?btmp?&?（?1<<0?）?）
????{
????????if（?KeyStatus?&?（?1<<0?）?）
????????{
????????????KeyValue?&=?~（?1<<3?）;
????????????return?K4_RELEASE;
????????}
????????else
????????{
????????????KeyValue?|=?（?1<<3?）;
????????????return?K4_PRESS;
????????}
????}
????if（?btmp?&?（?1<<1?）?）
????{
????????if（?KeyStatus?&?（?1<<1?）?）
????????{
????????????KeyValue?&=?~（?1<<2?）;
????????????return?K3_RELEASE;
????????}
????????else
????????{
????????????KeyValue?|=?（?1<<2?）;
????????????return?K3_PRESS;
????????}
????}
????if（?btmp?&?（?1<<2?）?）
????{
????????if（?KeyStatus?&?（?1<<2?）?）
????????{
????????????KeyValue?&=?~（?1<<1?）;
????????????return?K2_RELEASE;
????????}
????????else
????????{
????????????KeyValue?|=?（?1<<1?）;
????????????return?K2_PRESS;
????????}
????}
????if（?btmp?&?（?1<<3?）?）
????{
????????if（?KeyStatus?&?（?1<<3?）?）
????????{
????????????KeyValue?&=?~（?1<<0?）;
????????????return?K1_RELEASE;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????91545??2005-09-22?10:18??原USB_Control_MCU\APPs\C51L.LIB

?????文件??????16194??2006-10-24?08:09??原USB_Control_MCU\APPs\c8051F320.h

?????文件????????686??2011-01-27?12:38??原USB_Control_MCU\APPs\C8051FMacros.h

?????文件??????10590??2011-02-21?23:47??原USB_Control_MCU\APPs\main.c

?????文件???????3261??2011-01-27?11:37??原USB_Control_MCU\APPs\main.c.bak

?????文件????????672??2009-04-29?18:30??原USB_Control_MCU\APPs\main.h

?????文件???????1753??2009-03-13?11:01??原USB_Control_MCU\APPs\MyTypeDef.h

?????文件???????5253??2008-04-20?21:54??原USB_Control_MCU\APPs\STARTUP.A51

?????目錄??????????0??2013-02-16?22:03??原USB_Control_MCU\APPs

?????文件??????18902??2013-01-27?16:00??原USB_Control_MCU\Project\List\main.lst

?????文件??????50796??2013-01-27?16:00??原USB_Control_MCU\Project\List\sdcmd.lst

?????文件???????8670??2013-01-27?16:00??原USB_Control_MCU\Project\List\sdcrc.lst

?????文件??????18929??2013-01-27?16:00??原USB_Control_MCU\Project\List\sddriver.lst

?????文件??????12135??2013-01-27?16:00??原USB_Control_MCU\Project\List\STARTUP.lst

?????文件??????60102??2013-01-27?16:00??原USB_Control_MCU\Project\List\USB.lst

?????文件??????94066??2013-01-27?16:00??原USB_Control_MCU\Project\List\USB_Control_MCU.m51

?????文件??????11690??2013-01-27?16:00??原USB_Control_MCU\Project\List\USB_HID_Descriptor.lst

?????目錄??????????0??2013-02-16?22:03??原USB_Control_MCU\Project\List

?????文件?????????19??2011-02-21?22:12??原USB_Control_MCU\Project\Output\ExtDll.iex

?????文件????????203??2010-03-26?11:45??原USB_Control_MCU\Project\Output\F320Bootloader.plg

?????文件??????31183??2013-01-27?16:00??原USB_Control_MCU\Project\Output\main.obj

?????文件??????43237??2013-01-27?16:00??原USB_Control_MCU\Project\Output\sdcmd.obj

?????文件???????1570??2013-01-27?16:00??原USB_Control_MCU\Project\Output\sdcrc.obj

?????文件??????36229??2013-01-27?16:00??原USB_Control_MCU\Project\Output\sddriver.obj

?????文件????????869??2013-01-27?16:00??原USB_Control_MCU\Project\Output\STARTUP.obj

?????文件??????52186??2013-01-27?16:00??原USB_Control_MCU\Project\Output\USB.obj

?????文件?????161217??2013-01-27?16:00??原USB_Control_MCU\Project\Output\USB_Control_MCU

?????文件??????24673??2013-01-27?16:00??原USB_Control_MCU\Project\Output\USB_Control_MCU.hex

?????文件????????259??2013-01-27?16:00??原USB_Control_MCU\Project\Output\USB_Control_MCU.lnp

?????文件????????196??2013-02-25?22:25??原USB_Control_MCU\Project\Output\USB_Control_MCU.plg

............此處省略38個文件信息