/*********************************************************************************?
*?函數原型：unsigned?char?SPI_HostReadByte（void）;???????????????????????????????????????
*?名???稱：SPI_HostReadByte?
*?功???能：從AT45DB041B通過SPI_SO口讀入1BYTE數據?
*?入口參數：無?
*?出口參數：返回讀入的1BYTE數據?
**********************************************************************************/?
unsigned?char?SPI_HostReadByte（void）?
{?
??unsigned?char?irByte=0;?

??for（i=0;i<8;i++）?
??{?
??????????clr_spi_sck;?
????//?????delay_1us（）;?
??????????set_spi_sck;?
????//?????delay_1us（）;?
??????????rByte<<=1;?
??????????if（PINB&8）???????????//m64?MISO---PB3?
//???????????if（PINB&0x40）???????????//M16?MISO---PB6?
??????????{???????????
????????????rByte|=1;?
??????????}?
??}?
??return?（rByte）;?
}?
/*********************************************************************************?
*?函數原型：void?SPI_HostWriteByte（unsigned?char?wByte）;???????????????????????????????????????
*?名???稱：SPI_HostWriteByte?
*?功???能：將1字節數據wByte由SPI_SI口寫入AT45DB041B?
*?入口參數：要寫入的1BYTE數據?
*?出口參數：無?
**********************************************************************************/?
void?SPI_HostWriteByte（unsigned?char?wByte）?
{?
??unsigned?char?i;?

??for（i=0;i<8;i++）?
??{?
????if（wByte&0x80）?
??????{?
????????????????set_spi_si;?
??????}?
????else?
??????{?
????????????????clr_spi_si;?
??????}?
????wByte=wByte<<1;?
??????????clr_spi_sck;?
????//?????delay_1us（）;?
??????????set_spi_sck;?
????//?????delay_1us（）;?
????}?
}?
/*********************************************************************************?
*?函數原型：unsigned?char?AT45DB041B_StatusRegisterRead（void）;???????????????????????????????????????
*?名???稱：AT45DB041B_StatusRegisterRead?
*?功???能：由SPI_SI口讀AT45DB041B的狀態字?
*?入口參數：無?
*?出口參數：返回狀態字?
**********************************************************************************/?
/*Status?Register?Format:???????????????????????????????????*/?
/*???-----------------------------------------------------------------------?*/?
/*?|?bit7?|?bit6?|?bit5?|?bit4?|?bit3?|?bit2?|?bit1?|?bit0?|?*/?
/*?|--------|--------|--------|--------|--------|--------|--------|--------|?*/?
/*?|RDY/BUSY|?COMP?|???0???|???1???|???1???|???1???|???X???|???X???|?*/?
/*???-----------------------------------------------------------------------?*/?
/*?bit7?-?忙標記，0為忙1為不忙。???????????????????????????????*/?
/*???????當Status?Register的位0移出之后，接下來的時鐘脈沖序列將使SPI器件繼續*/?
/*???????將最新的狀態字節送出。???????????????????????????????*/?
/*?bit6?-?標記最近一次Main?Memory?Page和Buffer的比較結果，0相同，1不同。???*/?
/*?bit5???????????????????????????????????????????????*/?
/*?bit4???????????????????????????????????????????????*/?
/*?bit3???????????????????????????????????????????????*/?
/*?bit2?-?這4位用來標記器件密度，對于AT45DB041B，這4位應該是0111，一共能標記?*/?
/*???????16種不同密度的器件。???????????????????????????????*/?
/*?bit1???????????????????????????????????????????????*/?
/*?bit0?-?這2位暫時無效?????????????????????????????????????*/?
/**************************

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

?????文件????5379451??2009-09-17?15:23??AT45DB041D中文說明和參考程序\AT45DB014D中文說明（第一版）.pdf

?????文件??????12439??2009-09-08?09:48??AT45DB041D中文說明和參考程序\AT45DB041B的模擬SPI程序.c

?????文件????1780055??2009-09-08?11:30??AT45DB041D中文說明和參考程序\AT45DB041D英文.pdf

?????文件??????26028??2008-02-28?20:59??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\dataflash.c

?????文件??????20171??2008-02-28?20:58??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\dataflash.h

?????文件????????232??2006-12-14?13:19??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\delay.c

?????文件????????122??2006-12-14?13:19??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\delay.h

?????文件???????1165??2008-02-28?20:59??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\flashalltest.prj

?????文件????????144??2008-02-28?19:56??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\FLASHALLTEST.SRC

?????文件????????460??2008-02-27?11:37??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\global.h

?????文件???????9741??2008-02-28?20:51??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\hellworld.c

?????文件??????18941??2008-02-28?20:03??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\rtl8019.c

?????文件??????11548??2007-04-04?12:04??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\rtl8019.h

?????文件??????12956??2008-02-27?16:51??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\uart128.c

?????文件???????1640??2008-02-28?19:49??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序\uart128.h

?????文件???????6560??2007-04-06?22:01??AT45DB041D中文說明和參考程序\gxlujd寫的AT45DB161D的操作函數庫\memory.c

?????文件???????2560??2007-04-06?22:01??AT45DB041D中文說明和參考程序\gxlujd寫的AT45DB161D的操作函數庫\memory.h

?????文件???????2885??2009-09-11?17:10??AT45DB041D中文說明和參考程序\gxlujd寫的AT45DB161D的操作函數庫\注意事項.txt

?????文件????????262??2009-09-17?16:10??AT45DB041D中文說明和參考程序\說明.txt

?????目錄??????????0??2010-08-23?17:03??AT45DB041D中文說明和參考程序\AT45DB161D的測試程序

?????目錄??????????0??2010-08-23?17:03??AT45DB041D中文說明和參考程序\gxlujd寫的AT45DB161D的操作函數庫

?????目錄??????????0??2010-08-23?17:03??AT45DB041D中文說明和參考程序

-----------?---------??----------?-----??----

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