資源簡介
這是火牛開發板上的STM32+NAND FLASH做U盤的程序,已經調試成功,可直接用

代碼片段和文件信息
#include?“stm32f10x_lib.h“?
#include?“stm32f10x_type.h“
#include?“delay.h“
//初始化延遲函數
static?u8??fac_us=0;//us延時倍乘數
static?u16?fac_ms=0;//ms延時倍乘數
void?delay_init(u8?SYSCLK)
{
SysTick->CTRL&=0xfffffffb;//選擇內部時鐘?HCLK/8
fac_us=SYSCLK/8; ????
fac_ms=(u16)fac_us*1000;
} ????
//延時Nms
//注意Nms的范圍
//Nms<=0xffffff*8/SYSCLK
//對72M條件下Nms<=1864?
void?delay_ms(u16?nms)
{ ? ?? ??
u32?temp; ???
SysTick->LOAD=(u32)nms*fac_ms;//時間加載
SysTick->VAL?=0x00;???????????//清空計數器
SysTick->CTRL=0x01?;??????????//開始倒數??
do
{
temp=SysTick->CTRL;
}
while(temp&0x01&&!(temp&(1<<16)));//等待時間到達???
SysTick->CTRL=0x00;???????//關閉計數器
SysTick->VAL?=0X00;???????//清空計數器 ?? ????
}???
//延時us ???
void?delay_us(u32?Nus)
{
u32?temp; ???? ?
SysTick->LOAD=Nus*fac_us;?//時間加載 ?? ?
SysTick->VAL=0x00;????????//清空計數器
SysTick->CTRL=0x01?;??????//開始倒數? ?
do
{
temp=SysTick->CTRL;
}
while(temp&0x01&&!(temp&(1<<16)));//等待時間到達???
SysTick->CTRL=0x00;???????//關閉計數器
SysTick->VAL?=0X00;???????//清空計數器 ????
}??
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????2225??2008-09-06?00:36??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\cortexm3_macro.h
?????文件??????75617??2008-12-11?22:11??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\fonts.h
?????文件???????6891??2008-12-15?02:53??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\lcd.h
?????文件???????1668??2008-12-14?03:56??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\main.h
?????文件???????2618??2009-02-17?23:07??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\spi_flash.h
?????文件???????6911??2008-07-04?23:43??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_bkp.h
?????文件??????13996??2008-07-04?23:43??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_flash.h
?????文件??????19041??2008-07-04?23:43??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_fsmc.h
?????文件??????14820??2008-09-06?21:49??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_gpio.h
?????文件???????3842??2008-09-21?13:01??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_it.h
?????文件???????3200??2008-09-06?22:26??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_lib.h
?????文件??????28290??2012-09-16?11:42??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_map.h
?????文件??????19198??2008-07-04?23:43??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_nvic.h
?????文件???????3865??2008-07-04?23:43??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_pwr.h
?????文件??????15720??2009-04-21?11:00??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_rcc.h
?????文件??????15453??2009-04-21?10:04??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_rcc.h.bak
?????文件??????13782??2008-09-06?21:26??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_spi.h
?????文件???????3212??2008-07-04?23:43??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_systick.h
?????文件???????3388??2008-09-06?22:23??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_type.h
?????文件????????166??2009-10-02?13:20??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_type.h_cbf
?????文件??????14475??2008-09-07?00:43??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\inc\stm32f10x_usart.h
?????文件??????31926??2008-08-21?10:59??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\src\CAN.txt
?????文件??????10308??2008-07-04?23:44??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\src\cortexm3_macro.s
?????文件???????4388??2008-08-21?11:03??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\src\CRC.c
?????文件???????5452??2008-08-21?11:03??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\src\DBGMCU.c
?????文件??????30902??2009-05-21?09:29??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\src\lcd.c
?????文件??????18631??2009-02-17?23:06??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\src\spi_flash.c
?????文件??????55201??2008-08-01?12:01??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\src\stm32f10x_adc.c
?????文件???????9670??2008-08-01?21:51??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\src\stm32f10x_bkp.c
?????文件??????30576??2008-08-07?11:31??【20】火牛讀卡器及U盤程序for_128M(NAND?FLASH)\common\src\stm32f10x_dma.c
............此處省略243個文件信息
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