jepler

import time
import datetime
import pyvisa
import rigol1000z

rm = pyvisa.ResourceManager()
osc_resource = rm.open_resource("USB0::6833::1230::DS1ZD194301173::0::INSTR")

osc = rigol1000z.Rigol1000z(osc_resource)
while True:

jepler

Bus 001 Device 104: ID 239a:8118 Adafruit Camera
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64

jepler

Bus 001 Device 093: ID 239a:8118 Adafruit Camera
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64

jepler

#define ROLL_R(x, n) ({ typeof(x) tmp = x; (tmp >> n) | (tmp << (32-n)); })

unsigned bcd_next(unsigned n) {
    n = n + 1;
   
    for(unsigned i=0; i<5; i++) {
        if ((n & 0xf) == 0xa) {
            n += 0x6;
        }
        n = ROLL_R(n, 4);

jepler

Bus 001 Device 067: ID 239a:8108 Adafruit Macropad RP2040
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64

jepler

Frame 466: 8768 bytes on wire (70144 bits), 8768 bytes captured (70144 bits) on interface usbmon1, id 0
    Section number: 1
    Interface id: 0 (usbmon1)
    Encapsulation type: USB packets with Linux header and padding (115)
    Arrival Time: Jan 21, 2024 12:53:45.304074000 CST
    [Time shift for this packet: 0.000000000 seconds]
    Epoch Time: 1705863225.304074000 seconds
    [Time delta from previous captured frame: 0.032027000 seconds]
    [Time delta from previous displayed frame: 0.032027000 seconds]
    [Time since reference or first frame: 8.051458000 seconds]

jepler

Bus 001 Device 066: ID 239a:8108 Adafruit Macropad RP2040
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64

jepler

// build with arm-non-eabi-g++ -std=c++20 

#include <type_traits>
#include <array>
#include <stdio.h>

constexpr int decimal_to_bcd(int x) {
    int scale = 1;
    int result = 0;
    for(size_t i = 0; i<5; i++) {

jepler

#!/usr/bin/python

import pulsectl


def default_source(pulse):
    default_source_name = pulse.server_info().default_source_name
    for source in pulse.source_list():
        if source.name == default_source_name:
            return source

jepler

module cylindertext(text, size, font, r=undef, d=undef, pos=0, outside=true) {
  sgn = outside ? 1 : -1;
  echo(sgn);
  if (pos < len(text)) {
    r = is_undef(d) ? r : d / 2;
    c = text[pos];

    m = textmetrics(text=c, font=font, size=size);
    echo(m);
    theta_advance = sgn * m.advance[0] * (180 / PI) / r;