车载广告显示程序 1、多条广告信息显示 2、广告字体可自行设置 3、被劫报警求助信息显示功能 4、STM32下的UCOS-II系统任务级(Mobile advertising display program 1, more than 2 advertising, advertising information display fonts can be set 3, robbed alarm information display function of UCOS-II system under

spi总线SD卡驱动，stm32芯片用，够20字节了吧(Spi bus SD card driver, stm32 chip, enough 20 bytes.)