Posted on May 15, 2010 at 12:21UART multiprocessor communication #lmgtfy #uart-multi-communication #uart-multi-communication #uart-multi-communication #stm32-uart-usart #lmgtfy:-stm32-resources
Posted on May 17, 2011 at 13:51In fact, I am now updating an old SCADA system which was developed ten years before. all devices, including master controller, were controlled by 8051.only the master controller need to be upgade. so I have to select a...
Posted on May 17, 2011 at 13:51Thanks a lot! In fact, I want to use STm32F107 as a host controller (master), and many 8051 devices as slave by RS485 bus. 11 bits(1 start,8+1 bit data, 1 stop). data package is just like:address +package length+ data...
Posted on May 17, 2011 at 13:51we know, a device can receive msg form host(using RS485 bus) by multiprocessor mode, the nineth bit is used to notify the device and then the device can receive other bytes, no any other slave address is needed. firmwa...
