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    Posts made by Linuxer

    RE: OpenIMU 330BI EVK SPI 通信异常

    Thanks !@cek
    cs should be low in read operation,problem has solved

    posted in The OpenIMU Family •
    RE: OpenIMU 330BI EVK SPI 通信异常

    @cek I try to delay 1ms between request command and receive feedback, but has the same feedback : 0x00 0x00
    test.png 264bab7b-7003-4494-ae1c-c1a52870bbc7-image.png

    posted in The OpenIMU Family •
    RE: OpenIMU 330BI EVK SPI 通信异常

    @Li-YiFan

    posted in The OpenIMU Family •
    OpenIMU 330BI EVK SPI 通信异常

    主控:STM32F429
    IMU:openimu330BI
    SPI
    频率:1MHz
    mode: 1 1
    问题描述:
    将stm32f429作为SPI master, 使用SPI传输数据时,只能成功1次,后面读取的MISO数据全为0
    eg:
    MOSI : 56 00 00 00 56 00 00 00
    MISO :00 00 33 00 00 00 00 00
    CS是从一开始拉低一直到传输结束后才拉高,想请问下这个原因的可能地方在哪?谢谢

    posted in The OpenIMU Family •