jancumps’s gists

jancumps / 2_motor_pio_stepper_example.cpp

Last active April 28, 2025 17:32

pio_stepper_lib example with 2 motors

	#include "hardware/pio.h" // some constant definitions used

	#include "pico/stdlib.h" // for demo section (printf)
	#include <array> // for demo section (commands container)
	#include <iterator> // for demo section (commands container)
	#include <span> // for demo section (commands container)
	#include <algorithm> // for_each
	#include <numeric> // for demo section (accumulate)

	import stepper; // PIO stepper lib

jancumps / # c++ templated callback manager

Last active March 9, 2025 13:23

C++ callback manager class with templated handler parameters

	C++ callback manager class with templated handler parameters
	check readme.MD

	now in its own repository https://github.com/jancumps/callbackmanager
	the gists below support running on Arduino (except AVR), or a GCC toolchain lower than 14.2
	in other cases, use the repository code instead.

jancumps / Lora_LED_ON_OFF.ino

Created January 13, 2024 16:10

The Things Network (TTN) replacement example. Alternative for the no longer available LoRa LED/ON off basic sketch for Arduino MKR WAN 1310.

	/*
	Lora_LED_ON_OFF: The Things Network testsketch that integrates with their payload formatters and tutorials

	Altrnative for the no longer available LoRa LED/ON off basic sketch:
	Please refer to https://create.arduino.cc/editor/FT-CONTENT/043f42fb-2b04-4cfb-a277-b1a3dd5366c2/preview

	Jan Cumps 15-03-2024

	With code from:
	Lora Send And Receive

jancumps / bufferfiller.cpp

Created December 21, 2023 11:50

mock example for a sensor that works with stl containers and traditional C arrays as buffer

jancumps / FIR Acceleration on PYNQ.ipynb

Last active November 21, 2021 11:43 — forked from fpgadeveloper/FIR Acceleration on PYNQ.ipynb

How to accelerate a Python function with PYNQ

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jancumps / create_project.tcl

Last active January 8, 2022 17:42

Vivado create a Zynq project with common AXI reset

	set projectname myProject
	set projectroot C:/xilinx_vivado_prj

	create_project $projectname $projectroot/$projectname -part xc7z020clg400-1
	set_property board_part tul.com.tw:pynq-z2:part0:1.0 [current_project]
	set_property target_language VHDL [current_project]

	create_bd_design "design_1"
	startgroup
	create_bd_cell -type ip -vlnv xilinx.com:ip:processing_system7:5.5 processing_system7_0

jancumps / variable_clock.vhd

Created August 31, 2021 08:55

	library IEEE;
	use IEEE.STD_LOGIC_1164.ALL;
	use IEEE.NUMERIC_STD.ALL;

	entity variable_clock is
	Port (
	clk_i : in STD_LOGIC;
	resetn_i : in STD_LOGIC;
	ticks_i : in STD_LOGIC_VECTOR (7 downto 0);
	clk_o : out STD_LOGIC

jancumps / collect_pynq_artifacts.tcl

Created August 13, 2021 19:51

collect and name the .hwh and .bit file from a Vivado project for deploy on Pynq. Execute from IDE or Tcl Shell with the project open.

	set project_path [get_property directory [current_project]]
	set project_file [file rootname $project_path]
	set __project [current_project]
	set hw_dir [file dirname [get_files *.hwh]]
	set hwhandoff [glob [file join $hw_dir *.hwh]]
	set bitstream [glob [file join $project_path $__project.runs impl_1 *.bit]]

	#gather in the .prj directory
	file copy -force $hwhandoff $project_file.hwh
	file copy -force $bitstream $project_file.bit

jancumps / quadrature_oscillator.vdh

Created August 10, 2021 14:11

vhdl Quadrature Oscillator. 3 implementations. The one from Jon Clift is active, two others commented out.

	library IEEE;
	use IEEE.STD_LOGIC_1164.ALL;
	use IEEE.NUMERIC_STD.ALL;

	entity quadrature_oscillator is
	Port (
	i_clk: in std_logic;
	i_nReset: in std_logic;
	o_outputs: out std_logic_vector (3 downto 0)
	);

jancumps / memory_ram.vhd

Created August 10, 2021 14:07

vhdl RAM memory, adapted to 1024 addresses, 12 bit data, from Michael Kellett

	-- from Micheal Kellett: https://www.element14.com/community/groups/fpga-group/blog/2021/07/31/cheap-cyclone-10

	library IEEE;
	use IEEE.std_logic_1164.all;
	use IEEE.NUMERIC_STD.all;


	entity mem_inf_sp_1024_12 is
	port(
	we : in STD_LOGIC;

Jan Cumps jancumps