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Found 2 results

  1. Hi all, This is a quick and dirty howto. This howto describes how to use I2C modules (onboard and through PMOD connector) under embedded Linux. I've chosen to build my own Linux distro based on Linux kernel source for MicroBlaze softcore and busybox project for the init RAM DISK. My board is the Nexys4 DDR board. If you respect the following requirements for the HW design compatible with Linux, you can use Petalinux too. HW Vivado requirements (according to Xilinx UG1144) design to boot Linux: MicroBlaze with MMU support by selecting either Linux with MMU or Low-end L
  2. Hi all, I've built with the Nexyx4 DDR board a system running Linux. In my running HW design, I've added the onboard temperature sensor of the board and the PMOD A connector to connect a I2C TMP3 temperature sensor. The HW interface for the onboard temperature sensor is the AXI IIC interface. For the TMP3 sensor with the Digilent's vivado library (as explained in: https://reference.digilentinc.com/learn/programmable-logic/tutorials/pmod-ips/start), it's the AXI LITE IIC interface. With the Linux I2C tools, I see the onboard sensor: nexys4ddr:/# uname -r 4.14.0-00493-gb6