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Found 5 results

  1. It seems like I have a problem with understanding the values I am getting from the accelerometer and gyroscope. First of all, it is stated that the IMU is using a left-handed coordinate system where Z is directing upwards. (as mentioned here page number 10 However, I get +1 in the Z direction when the board is standing still ? I thought I should get -1 as the accleration is in the negative direction ? I thought that the sensor may be flipped upside down ( so one axis will be flipped while the other stays the same) but both of them are still flipped which does not make sense ? The gyroscope are following the (right hand rule ) even for a left coordinate system ? any help would be appreciated. Thanks !
  2. Hi, i am a newbie and need help regarding the control system that i am doing at the moment. I try to connect PmodNAV with Arduino UNO and followed this tutorial: Unfortunately, i get this error: "PmodNAV_ArdUNO:31: error: 'LSM9DS1' does not name a type". I already installed the required version of Arduino (1.6.9) as they said newer version might come with the compatiblity issue. Can anyone help me regarding this problem? Thank you very much for your time on considering my problem.
  3. Hello! I am started to create an application with Vivado 18.1 on Cmod A7 board with microblaze and 2 Pmod NAV IP. I downloaded these from Digilents's repository. After I successfully generated the bitstream from the hardware design, I exported and launched the Vivado SDK. I got the following error: 14:51:02 ERROR : (XSDB Server)ERROR: [Hsi 14:51:02 ERROR : (XSDB Server)55-1550] Repository Directory C:/Users/L1/Documents/vivado_projects/project_x/project_x.sdk/szstem_wrapper_hw_platform_3/drivers doesn't exist in the disk 14:51:02 ERROR : Failed to openhw "C:/Users/L1/Documents/vivado_projects/project_x/project_x.sdk/szstem_wrapper_hw_platform_3/system.hdf" Reason: ERROR: [Common 17-39] 'hsi::open_hw_design' failed due to earlier errors. 14:51:02 ERROR : Unable to create Hardware Specification Project with specification file: C:/Users/L1/Documents/vivado_projects/project_x/project_x.sdk/szstem_wrapper.hdf After I googled a bit, this error seems for me to be related to this post . As I think, the Vivado failed to generate the hardware properly. Please give me some instruction to handle this error with the PmodNAV IP My full Vivado project is available here and Thank You for the help.
  4. Hello, I am using Arty board attached to 2 peripheral modules (PmodSD and PmodNAV) to write navigation data to SD card. To do so, I am combining the C example codes provided on Github for each module, and simplified it a bit which is attached. My problem is that each one of the modules are working fine individually with their own code, as long as the other Pmod is not initialized in the C code, but when I am using them at the same time it destroys my output to terminal and writes zero to both terminal and SD card. I am suspicious that the issue is because PmodSD and PmodNAV are both using AXI_LITE_SPI to talk to Microblaze, and I do not have any control on SPI bus when I am writing data. As a result, Microblaze does not know how to communicate with both of Pmods at the same time. Does this make sense? What is the best way to control the AXI_LITE_SPI when there are multiple modules connected to the Microblaze? I am trying to keep this as simple as possible, so I can use the example codes. Any help is highly appreciated. -Mahdi
  5. Hi, i am here with a few questions.I own a CmodS6, pmod Nav and pmod Bluetooth. I configurate the S6 with a microblaze mcs (the lowest brother of microblaze because of space in S6) and i want to create a SPI comunication to PmodNav but i dont know how, everything a tried doesn`t work . Also i found some libs. for nav but is still to big for fitting in S6. (Working in ISE Desing)