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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 • 26 Feb 2020, 01:25
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 • 24 Feb 2020, 10:02
RE: OpenIMU 330BI EVK SPI 通信异常

@Li-YiFan

posted in The OpenIMU Family • 24 Feb 2020, 05:56
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 • 24 Feb 2020, 05:48