#include?“hal_defs.h“
#include?“hal_cc8051.h“
#include?“hal_mcu.h“
#include?“hal_uart.h“
#include?“AT25SF081.h“
#include?“define.h“

#define??FLASH_CS_H????????MCU_IO_OUTPUT（011）
#define??FLASH_CS_L????????MCU_IO_OUTPUT（010）
#define??FLASH_MOSI_H??????MCU_IO_OUTPUT（041）
#define??FLASH_MOSI_L??????MCU_IO_OUTPUT（040）
#define??FLASH_SCL_H???????MCU_IO_OUTPUT（051）
#define??FLASH_SCL_L???????MCU_IO_OUTPUT（050）
#define??FLASH_MISO_IN?????MCU_IO_INPUT（0?6MCU_IO_PULLUP）
#define??FLASH_MISO_VALUE??MCU_IO_GET（06）


#define??FLASH_WRITE_ENABLE?????FLASH_CS_L;\
????????????????????????????????halMcuWaitUs（1）;\
????????????????????????????????flash_spi_write（0x06）;\
????????????????????????????????FLASH_CS_H;???
????????????????????????????????
#define??FLASH_WRITE_Disable????FLASH_CS_L;\
????????????????????????????????halMcuWaitUs（1）;\
????????????????????????????????flash_spi_write（0x04）;\
????????????????????????????????FLASH_CS_H;??????????????????????????????????
????????????????????????????????

uint8?id1id2id3;
uint8?flash_spi_init（）{
????FLASH_CS_H;
????FLASH_MISO_IN;
????FLASH_MOSI_L;
????FLASH_SCL_L;
????ReadID（&id1&id2&id3）;
????if（id1==0x1F&&id2==0x85&&id3==0x01）
????????return?1;
????return?0;
}
//MSB
void?flash_spi_write（uint8?value）{
????uint8?i;
????for（i=0;i<8;i++）{
????????FLASH_SCL_L;
????????if（（value<????????????FLASH_MOSI_H;
????????}else{
????????????FLASH_MOSI_L;
????????}
????????halMcuWaitUs（1）;
????????FLASH_SCL_H;
????????halMcuWaitUs（1）;
????}
}
//MSB
uint8?flash_spi_read（）{
????uint8?ivalue=0;
????for（i=0;i<8;i++）{
????????FLASH_SCL_L;
????????halMcuWaitUs（1）;
????????if（FLASH_MISO_VALUE）{
????????????value|=1<<（7-i）;
????????}else{
????????????value|=0<<（7-i）;
????????}
????????FLASH_SCL_H;
????????halMcuWaitUs（1）;
????}
????return?value;
}

void?ReadID（uint8?*id1?uint8?*id2uint8?*id3）
{
????FLASH_SCL_H;
????FLASH_CS_L;
????halMcuWaitUs（1）;
????flash_spi_write（0x9F）;??//?讀ID的指令
????flash_spi_write（0x00）;??
????flash_spi_write（0x00）;
????flash_spi_write（0x00）;
????*id1?=?flash_spi_read（）;
????*id2?=?flash_spi_read（）;
????*id3?=?flash_spi_read（）;
????FLASH_CS_H;
}

//從任意內存地址寫入（地址范圍0x000000-0xFFFFFF）每一塊的長度為256字節，寫入長度不能超過寫入地址的地址塊長度
uint8?flashWriteDatas（uint32?addr?uint8?*pdata?uint16?len）{
????uint16?i;
????uint32?addr_16?addr_8?addr_0;
????addr_16?=?addr/65536;
????addr_8?=?addr/256;
????addr_0?=?addr%256;
????if（len?==?0?||?addr_0+len?>?256）
????????return?0;
????FLASH_WRITE_ENABLE;
????FLASH_SCL_H;
????FLASH_CS_L;
????halMcuWaitUs（1）;
????flash_spi_write（0x02）;??//?寫數據的指令
????flash_spi_write（（addr_16）&0xFF）;??//?24位寫入的地址
????flash_spi_write（（addr_8）&0xFF）;??//?24位寫入的地址
????flash_spi_write（（addr_0））;??//?24位寫入的地址???

????for（i=0;?i????{
????????flash_spi_write（pdata[i]）;
????}
????FLASH_CS_H;
????WaiteNotBusy（）;
????return?len;
}

uint8?flashReadDatas（uint32?addr?uint8

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

?????文件???????4375??2018-12-05?18:08??AT25SF081\AT25SF081.c

?????文件????????374??2018-12-05?18:02??AT25SF081\AT25SF081.h

?????文件????3427016??2018-12-05?14:25??AT25SF081\DS-AT25SF081_045.pdf

?????文件??????????0??2018-12-05?18:20??AT25SF081\新建文本文檔.txt

?????目錄??????????0??2018-12-05?18:20??AT25SF081

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

??????????????3431765????????????????????5