基于凌阳16位单片机SPCE061A芯片开发板的对讲机设计的源代码，包含有线对讲机和无线对讲机2个项目程序，有线是指两块凌阳61开发板通过串口通信，无线是通过nRF2401无线传输模块通信。-Based on Sunplus 16-bit single-chip development board intercom SPCE061A design source code, including wired and wireless walkie talkie two project procedu