Philips公司的USB1.1器件D12的固件程序，C语言编写-Philips USB 1.1 device firmware procedures D12, C language

D12+DSP6711固件程序源码。解压缩后包含两个文件。希望对大家有帮助。-D12 firmware source. After extracting two documents contain. We want to help.

圈圈的USB自定义设备的上位程序+驱动+D12固件源代码，还有自己改的STM32的虚拟串口的USB固件。-Circle of a USB self-definition equipment the host program+ to drive+D12 firmware source code, also has its own reform STM32 virtual serial USB firmware.