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MSP430FR6047 USS_message_code_err

Other Parts Discussed in Thread: EVM430-FR6047

我做了一个板子,基本上就是把evm-fr6047板上的usb和ezFET部分去掉了,我把usslib里的demo烧进去后,执行完code = USS_configureUltrasonicMeasurement(&gUssSWConfig);这句后code = USS_message_code_SAPH_time_startPGAandINBiasCount_error 我没有对这个project做任何修改,检查了USS_PGA_IN_BIAS_COUNT和USS_measurement_ULP_bias_delay的值,没发现问题,USS_PGA_IN_BIAS_COUNT是0,USS_measurement_ULP_bias_delay是200us。 这是怎么回事呢?