12/28/2023 0 Comments Include spi arduino![]() It should only be used for communication between devices that are less than 10 meters apart. SPI communication isn’t good for transmitting data over long distances. SPI is a type of synchronous serial communication, which means that data transfer is timed with clock pulses. I have tried the code pasted in the first post and I am getting this as a result:ġ3:23:57.662 -> Sending command, getting back these bytes: FF FFġ3:23:57.SPI is an acronym for Serial Parallel Interface. I am using an Arduino Due to connect to the DWM-1001 with SPI. Serial.print("Sending command, getting back these bytes: ") SPISettings settingsA(100000,MSBFIRST,SPI_MODE0) I basically just added slave select pulls when you write some packet of bytes. Not sure if you solved it already but I made some edits to your code and it seemed to work for me. Here are the data DWM1001 sent back:D 4A 2 0 0 A3 FF FF FF 94 FF FF FF 0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF Here are the data DWM1001 sent back:D 7C FC FF FF 42 1 0 0 BC FF FF FF 0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF request for pos start Sending command, getting back these bytes: 255 255 Here are the data DWM1001 sent back:D 26 FF FF FF 50 1 0 0 1B FF FF FF 0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF request for pos start Sending command, getting back these bytes: 64 1 ![]() Here are the data DWM1001 sent back:FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF request for pos start Sending command, getting back these bytes: 18 1 Serial.print(“here are the data DWM1001 sent back:”) Serial.print("Sending command, getting back these bytes: “) Serial.println("request for pos start ") ![]() I will post my code below and the Serial monitor result to show what I got back from DWM1001.Ĭan anyone give me some help? Really appreciate it! What’s more, I keep getting 0xFF back from DWM1001. I supposed I would get two 0xFF bytes back as I was sending the get_position TLV request (0x02, 0x00), I got random bytes back instead. However, the data I got back doesn’t look good. I followed exactly what the SPI Example diagram shows in the dwm1001-api-guide. In each loop, I transfer 0x02 and 0x00 at first, and keep sending 0xFF to dwm1001 until I get the return Size byte != 0x00, and then I keep transfer Size bytes of 0xFF to get the data back. Mode Clock Polarity (CPOL) Clock Phase (CPHA) Output Edge Data Capture I am not sure about the spi setting of DWM1001 so I set the speed to 8000000, the bit order to MSBFIRST(Most Significant bit first), and the SPI_MODE0 First, I connect the MOSI MISO CLK GND CS and 5V pins to the nano. I am testing the DWM1001-DEV SPI API to communicate with an Arduino Nano.
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