Hypnotriod

The standard Maps behavior

func main() {
	var m map[int]int
	v, ok := m[0] // v = 0, ok = false
}

Issue: Slices and Arrays out of range access

func main() {

Hypnotriod

Jetpack 4.6.6 installation on the Waveshare JETSON-NANO-DEV-KIT with 16GB eMMC

Based on www.waveshare.com/wiki/JETSON-NANO-DEV-KIT

Prepare the Jetpack 4.6.6 on Ubuntu PC

• JetPack Archive

mkdir jetpack.4.6.6
cd jetpack.4.6.6
export WORKSPACE_DIR=$PWD
wget https://developer.nvidia.com/embedded/l4t/r32_release_v7.6/t210/jetson-210_linux_r32.7.6_aarch64.tbz2
wget https://developer.nvidia.com/embedded/l4t/r32_release_v7.6/t210/tegra_linux_sample-root-filesystem_r32.7.6_aarch64.tbz2

Hypnotriod

#include <zephyr/bluetooth/bluetooth.h>

static void trace_service_attributes(const struct bt_gatt_service_static *service)
{
    uint16_t i;
    char buff[64];

    for (i = 0; i < service->attr_count; i++) {
        bt_uuid_to_str(service->attrs[i].uuid, buff, sizeof(buff));
        LOG_INF("Attribute %d UUID: %s", i, buff);

Hypnotriod

{
    "editor.defaultFormatter": "esbenp.prettier-vscode",
    "[javascript]": {
        "editor.defaultFormatter": "esbenp.prettier-vscode"
    },
    "[typescript]": {
        "editor.defaultFormatter": "esbenp.prettier-vscode"
    }
}

Hypnotriod

#!/usr/bin/python
# BeagleBone AI-64 MJPEG stream of Waveshare IMX219-83 Stereo Camera with GStreamer example
# Based on https://gist.github.com/misaelnieto/2409785
# Waveshare IMX219-83 CSI Stereo Camera: https://www.waveshare.com/wiki/IMX219-83_Stereo_Camera
# To add cameras overlays modyfy 'fdtoverlays' property of '/boot/firmware/extlinux/extlinux.conf' with:
#   fdtoverlays /overlays/BBAI64-CSI0-imx219.dtbo /overlays/BBAI64-CSI1-imx219.dtbo
# and reboot
# Get TI Image Signal Processing GStreamer drivers:
#   wget https://github.com/Hypnotriod/bbai64/raw/master/imaging.zip
#   sudo unzip imaging.zip -d /opt/

Hypnotriod

// Declaration:

#define foreach(item, array) \
  for (item = &array[0]; item != &array[sizeof(array) / sizeof(array[0])]; item++)

#define foreach_i(item, index, array) \
  for (item = &array[0], index = 0; item != &array[sizeof(array) / sizeof(array[0])]; item++, index++)

#define foreach_l(item, array, length) \
  for (item = &array[0]; item != &array[length]; item++)

Hypnotriod

// --------------------------------
// vehicle is faced towards y axis
// start angle
const A = -Math.PI*0.5
// start x position
const X = 2
// start y position
const Y = 0
// wheels distance
const L = 1