IRQ_globalEnable(); flash_erase(0,0x10); flash_writes(0x64001000,0x1234); for(k = 0; k < 0x1000; k++) { data[k] = 0x1234+k; } flash_writem(0x64000000,&data[0],0x1000); flash_readm(0x64000000,&data[0],0x1000); for(;;); } 我是个菜鸟,希望大家踊跃发表自己的想法,谢谢...
LDATA0～LDATA7是I/O口,传输数据、命令或者地址 FWEn:NAND FLASH写数据信号,低有效 FREn:NAND FLASH读数据信号,低有效 FCLE:命令锁存信号 FALE:地址锁存信号 RnB:忙或准备好状态标志位 S3C6410本身集成有NAND FLASH控制器,若要使用只需进行相应的配置即可。 相关的寄存器如下: AI检测代码解析 //nand flash K9...
During a write operation to the Flash memory, any attempt to read the Flash memory willstall the bus. The read operation will proceed correctly once the write operation hascompleted. This means that code or data fetches cannot be made while a write/eraseoperation is ongoing.For write and eras...
I am using STM32F411CE which has a memory capacity of 512KB. The flash memory is organized into pages/sectors as given in the datasheet (image below). Unfortunately, their (ST) terminology flash and sectors are kind of confusing, but they got to be treated the same. They are the same...
首先,device对这三个命令的执行并没有什么质的区别。device对discard/erase/trim实际执行的操作都是把设定范围内的address给标记起来,说明这些地址已经被host擦除,也就是把mapped address给映射到 unmapped address. 而对flash实际执行擦除,却要等到sanitize命令,或者是GC等background操作。
HAL_FLASH_Program(TYPEPROGRAM_WORD, addr, writeFlashData);//4、锁住FLASH HAL_FLASH_Lock();} ...
您好,初用TI 的DSP,在使用Flash API也遇到了问题,在擦除flash时程序卡在了擦除函数那里,没有出来;解锁与读版本号正常,读版本号返回值为256;下面是我的程序,添加在motorware的lab 05b的例程里;期望得到您的回答。谢谢! #defineWORDS_IN_FLASH_BUFFER 0x100 // Programming data buffer, Words ...
I would like to know if LittleFS is designed based on the assumption that, the values of flash after erase, are '0xFF'? I am using a family of Renesas family MCU where the values of data flash after erase is 'undefined' Would LittleFS work on this type of MCU?
This will restore the flash memory cells to their original state and erase all of the data on the SSD. 3. How can I securely clear HDD or SSD data? Refer to the tutorial below: Input your system's BIOS or UEFI settings. Locate your drive and click on it. ...
stm32 FLASH_EraseSector函数,最开始用stm32的flash保存数据的方法都是用原子的例程,STM32F1的话,原子的方法大概是创建一个1K或者2K的缓存,修改数据的时候,先把该扇区的所有数据写到该缓存,然后查看是否需要擦除整个扇区,一般在一个地方写的话,必须要擦除,要想不擦