文件系统源码：在STM32F103RC的片内Flash(256K)使用FatFS系统系统，在STM32片内Flash最后100页(可宏定义设置区间和大小)使用FatFS, 模拟NAND Flash把片内Flash做为一个zone，每页做为一块(block)，每页分成4份(每份为一段sector, 512字节)。-Source file system: in STM32F103RC chip Flash (256K) FatFS system using the system in the last 100 STM32 chip Flash (macro definitions can be set interval and size) using FatFS, simulate the Flash NAND Flash chip as a zone, as a page (block), each page is divided into four parts (each section sector, 512 bytes).