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I2c总线忙如何解决

dan wang
Intellectual 351 points
Other Parts Discussed in Thread: MSP430F5659

使用msp430f5659的串口B1配置成I2c，作为master，mspf2122作为slave，进行通信。有时会出现总线BUSY的时候，请问作为master，能否通过程序解决此种情况，比如 busy清零，还是I2c重新配置等等，另外，想问一下，总线忙通常是哪种原因引起的？