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# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: 2024 Uri Shaked

import gdspy

LAYER = 134  # TopMetal2
DATATYPE = 22  # filler
PIXEL_SIZE = 0.28  # um

skull = [

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{
  "version": 1,
  "author": "Uri Shaked",
  "editor": "wokwi",
  "parts": [
    {
      "type": "board-esp32-s3-box-3",
      "id": "esp32",
      "top": -24.91,
      "left": -388.54,

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# SPDX-License-Identifier: Apache-2.0
# Copyright (C) 2024, Uri Shaked

from ttboard.demoboard import DemoBoard
from ttboard.mode import RPMode
import random
from machine import Pin

WRITE_EN = 0x80

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import time

import machine
from ttboard.demoboard import DemoBoard
from ttboard.mode import RPMode
from ttboard.pins.pins import Pins
import rp2


# We use the PIO as we need to generate a tx_valid pulse of a single clock cycle

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/*
 * Copyright (c) 2024 Uri Shaked
 * SPDX-License-Identifier: Apache-2.0
 */

`default_nettype none

module tt_um_vga_example(
  input  wire [7:0] ui_in,    // Dedicated inputs
  output wire [7:0] uo_out,   // Dedicated outputs

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// The script removes duplicate path entries from the User's path.
// It prints a power shell command that you should execute in order to update 
// the User's path with the new value.

const { execSync } = require('child_process');

const machinePath = execSync('powershell.exe [Environment]::GetEnvironmentVariable(\\"Path\\", [EnvironmentVariableTarget]::Machine)').toString();
const userPath = execSync('powershell.exe [Environment]::GetEnvironmentVariable(\\"Path\\", [EnvironmentVariableTarget]::User)').toString();

const machinePathParts = machinePath.split(';');

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// Wokwi Custom Chips with Rust

use wokwi_chips_api::println;
use wokwi_chips_api::pin::{Pin, PinMode, WatchEdge};

// chipInit() will be called once per chip instance.
#[no_mangle]
pub unsafe extern "C" fn chipInit() {
    println!("Hello from Rust Chip!");

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v {xschem version=3.4.4 file_version=1.2
}
G {}
K {}
V {}
S {}
E {}
T {Transmission gate (incl. inverter)} 380 -190 0 0 0.4 0.4 {}
N 680 -980 1000 -980 { lab=VPWR}
N 840 -740 870 -740 {

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v {xschem version=3.4.5 file_version=1.2
}
G {}
K {}
V {}
S {}
E {}
L 4 70 -80 90 -80 {}
L 4 80 -90 80 -70 {}
L 4 80 70 80 90 {}

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#include <defs.h>
//#include <math.h>
#include <stub.h>
#include <hw/common.h>
#include <uart.h>
#include <uart_api.h>

// there is some Caravel issue happening that prevents the usual SET and CLR from working
// a fast read followed by write results in the whole register being cleared.
unsigned int temp;