cnlohr

#include "touch.h"
#include "systems.h"

uint8_t touch_calib[3];
uint8_t done_startup;

//DO_PD means we use the internal pull-down resistors to measure the capacitance
//if we define this to be 0, then it will use the internal pull-up resistors. 
//I am still experimenting with both options to see which is better overall and
//in a lot of situations.

cnlohr

Did you just check out / clone a repository and forget --recursive / --recurse-submodules? Well, do this:

git submodule update --init --recursive --remote

For information about why this nugget was lost and burried in another stack exchange article, see this: https://meta.stackoverflow.com/questions/400424/how-can-i-request-that-a-question-merge-be-reversed

cnlohr

Having a hard time getting the timings you want working?  Try this.

config.txt:




Then execute this command (or put it in rc.local)
vcgencmd hdmi_timings 2880 0 55 10 55 1600 0 30 6 570 0 0 0 90 0 593000000 3 && tvservice -e "DMT 87" && tvservice -s

cnlohr

//from https://stackoverflow.com/questions/64722413/force-webpage-dom-wait-on-promise

	initPage();

	async function initPage() {
		console.log('initializing page...');
		const wasmExports = await initWasm();
		renderPageContent(wasmExports);
	}

cnlohr

// QuickNoise -> Extremely fast noise that does repeat, but "feels" like
// perlin noise. Rewritten to avoid license issues.
//
// The original version of this noise is restrictively licensed.  Code was
// re-written for HLSL 2020 <>< CNLohr, code henseforth may be liberally
// licensed under MIT-X11, NewBSD or Any Creative Commons License including
// CC0.
//
// There was also a bug in the version by stubbe which caused a migration in
// x/y/z when there was an applied w value.  The matrix undoes the migration

cnlohr

// Battery Watcher for OpenVR (make an overlay with the battery left for all connected devices on your left hand)
//
// Compile with:
//  tcc battery_monitor_overlay.c -o bmo.exe -luser32 -lgdi32 -lkernel32 -lopengl32 C:\windows\system32\msvcrt.dll openvr_api.dll

// System headers for any extra stuff we need.
#include <stdbool.h>

// Include CNFG (rawdraw) for generating a window and/or OpenGL context.
#define CNFG_IMPLEMENTATION

cnlohr

Building C apps on Windows in 2021

This document was written on April 3, 2021. The procedure may change over time. This is a companion gist to the youtube video here, where I go through every step of both options

cnlohr

	void Setup()
	{
		RCC->APB1ENR |= RCC_APB1ENR_TIM14EN;
		TIM14->PSC = 48-1; //Counts up in microseconds
		TIM14->ARR = 65535;
		TIM14->CNT = 0;
		TIM14->CR1 = 1;
		TIM14->DIER = TIM_DIER_CC2IE | TIM_DIER_UIE;
 

cnlohr

Shader "Unlit/PerfEat"
{
	Properties
	{
		_MainTex ("Texture", 2D) = "white" {}
	}
	SubShader
	{
		Tags { "RenderType"="Opaque" }
		LOD 100

cnlohr

//Based on https://github.com/cnlohr/lamenet/blob/master/librawp.c

#include <stdio.h>
#include <arpa/inet.h>
#include <string.h>
#include <linux/if_packet.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/ether.h>