from pyscript import document, window from js import Uint8Array import json import RS232 import channel import control_panel # Core utilities for packet creation and visualization. toggle_bit = False myRS232 = RS232.CEEO_RS232(divName='all_things_rs232', suffix='1', myCSS=False, default_code='sd') myChannel = channel.CEEO_Channel("hackathon", "@chrisrogers", "talking-on-a-channel", divName='all_things_channels', suffix='_test') myChannel.topic.value = '/chris' def channel_callback(message): try: if message['type'] == 'data' and 'payload' in message: import json as _json topic = _json.loads(message['payload'])['topic'] value = _json.loads(message['payload'])['value'] if topic == '/code': document.getElementById('codeArea').code = value except: pass myChannel.callback = channel_callback def log_to_ui(message): """Log message to the console-log div; fallback to console if not present.""" log_div = document.querySelector("#console-log") if not log_div: window.console.log(message) return new_entry = document.createElement("div") new_entry.style.borderBottom = "1px solid #222" new_entry.style.padding = "2px" new_entry.innerText = f"> {message}" log_div.appendChild(new_entry) def visualize_packet(packet_list): """Visualize an RCX packet as colored byte chips in the packet-stream div.""" stream_div = document.querySelector("#packet-stream") if not stream_div: return container = document.createElement("div") container.style.marginBottom = "8px" def create_span(val, category, is_comp=False): span = document.createElement("span") span.classList.add("packet-byte") span.classList.add(category) if is_comp: span.classList.add("byte-comp") span.innerText = f"{val:02X}" return span for i in range(3): container.appendChild(create_span(packet_list[i], "byte-preamble")) container.appendChild(create_span(packet_list[3], "byte-opcode")) container.appendChild(create_span(packet_list[4], "byte-opcode", True)) param_end = len(packet_list) - 2 for i in range(5, param_end): container.appendChild(create_span( packet_list[i], "byte-param", i % 2 == 0)) container.appendChild(create_span(packet_list[-2], "byte-checksum")) container.appendChild(create_span(packet_list[-1], "byte-checksum", True)) stream_div.appendChild(container) stream_div.scrollTop = stream_div.scrollHeight def encode_rcx_packet(opcode, params=None): global toggle_bit if params is None: params = [] tx_opcode = opcode | 0x08 if toggle_bit else opcode toggle_bit = not toggle_bit packet = [0x55, 0xFF, 0x00] packet.extend([tx_opcode, tx_opcode ^ 0xFF]) checksum = tx_opcode for p in params: packet.extend([p, p ^ 0xFF]) checksum = (checksum + p) % 256 packet.extend([checksum, checksum ^ 0xFF]) visualize_packet(packet) return Uint8Array.new(packet) def build_ping_packet(): return encode_rcx_packet(0x10) def build_beep_packet(): return encode_rcx_packet(0x51, [0x01]) def build_stop_packet(): return encode_rcx_packet(0x50) # Template packet generators for preview def get_template_packets(template_name): """Generate expected packets for a template for preview.""" packets_list = [] if template_name == "beep_test": packets_list = [ ("0x51 [0x02]", "Beep (sound 2)"), ] elif template_name == "move_forward": packets_list = [ ("0x13 [0x00, 0x07]", "Set Power A=7"), ("0x13 [0x01, 0x07]", "Set Power B=7"), ("0x21 [0x81]", "Motor A ON (fwd)"), ("0x21 [0x81]", "Motor B ON (fwd)"), ("wait 2.0s", "Pause 2 seconds"), ("0x21 [0x41]", "Motor A OFF"), ("0x21 [0x42]", "Motor B OFF"), ("0x21 [0x44]", "Motor C OFF"), ("0x51 [0x02]", "Beep (sound 2)"), ] elif template_name == "drive_pattern": packets_list = [ ("0x13 [0x00, 0x07]", "Set Power A=7"), ("0x13 [0x01, 0x07]", "Set Power B=7"), ("0x21 [0x81]", "Motor A ON (fwd)"), ("0x21 [0x81]", "Motor B ON (fwd)"), ("wait 2.0s", "Forward 2s"), ("0x13 [0x00, 0x07]", "Set Power A=7"), ("0x13 [0x01, 0x07]", "Set Power B=7"), ("0x21 [0x81]", "Motor A ON (fwd)"), ("0x21 [0x42]", "Motor B ON (rev)"), ("wait 0.6s", "Turn left 0.6s"), ("0x13 [0x00, 0x07]", "Set Power A=7"), ("0x13 [0x01, 0x07]", "Set Power B=7"), ("0x21 [0x81]", "Motor A ON (fwd)"), ("0x21 [0x81]", "Motor B ON (fwd)"), ("wait 2.0s", "Forward 2s"), ("0x21 [0x41]", "Motor A OFF"), ("0x21 [0x42]", "Motor B OFF"), ("0x21 [0x44]", "Motor C OFF"), ("0x51 [0x02]", "Beep"), ] elif template_name == "motor_test": packets_list = [ ("0x13 [0x00, 0x05]", "Set Power A=5"), ("0x21 [0x81]", "Motor A ON"), ("wait 1.5s", "Motor A runs"), ("0x21 [0x41]", "Motor A OFF"), ("0x13 [0x01, 0x05]", "Set Power B=5"), ("0x21 [0x81]", "Motor B ON"), ("wait 1.5s", "Motor B runs"), ("0x21 [0x42]", "Motor B OFF"), ("0x51 [0x02]", "Beep"), ] elif template_name == "spin_turn": packets_list = [ ("0x13 [0x00, 0x05]", "Set Power A=5"), ("0x13 [0x01, 0x05]", "Set Power B=5"), ("0x21 [0x81]", "Motor A ON (fwd)"), ("0x21 [0x42]", "Motor B ON (rev)"), ("wait 1.0s", "Spin left 1.0s"), ("0x13 [0x00, 0x05]", "Set Power A=5"), ("0x13 [0x01, 0x05]", "Set Power B=5"), ("0x21 [0x42]", "Motor A ON (rev)"), ("0x21 [0x81]", "Motor B ON (fwd)"), ("wait 1.0s", "Spin right 1.0s"), ("0x21 [0x41]", "Motor A OFF"), ("0x21 [0x42]", "Motor B OFF"), ("0x21 [0x44]", "Motor C OFF"), ("0x51 [0x02]", "Beep"), ] elif template_name == "square_pattern": packets_list = [ ("0x13 [0x00, 0x05]", "Set Power A=5"), ("0x13 [0x01, 0x05]", "Set Power B=5"), ("(4x) Move + Turn Sequence", "Forward 1.5s, turn 0.5s"), ("0x21 [0x41]", "Motor A OFF"), ("0x21 [0x42]", "Motor B OFF"), ("0x21 [0x44]", "Motor C OFF"), ("0x51 [0x03]", "Beep (sweep sound)"), ] elif template_name == "acceleration": packets_list = [ ("0x13 [0x00, 0x02]", "Set Power A=2"), ("0x13 [0x01, 0x02]", "Set Power B=2"), ("(6x) Power levels 2-7", "Each for 0.8s + 0.3s wait"), ("0x21 [0x41]", "Motor A OFF"), ("0x21 [0x42]", "Motor B OFF"), ("0x21 [0x44]", "Motor C OFF"), ("0x51 [0x02]", "Beep"), ] return packets_list def display_template_packets(template_name): """Display expected packets for a template in the packet stream.""" stream_div = document.querySelector("#packet-stream") if not stream_div: return packets_list = get_template_packets(template_name) if not packets_list: stream_div.innerHTML = f"
Template '{template_name}' not found
" return stream_div.innerHTML = "" # Clear for opcode_str, description in packets_list: container = document.createElement("div") container.style.marginBottom = "6px" container.style.fontSize = "0.85rem" container.style.display = "flex" container.style.justifyContent = "space-between" container.style.alignItems = "center" container.style.padding = "6px 8px" container.style.background = "#f9fafb" container.style.borderRadius = "4px" container.style.borderLeft = "3px solid #3b82f6" opcode_span = document.createElement("span") opcode_span.innerText = opcode_str opcode_span.style.fontFamily = "Courier New, monospace" opcode_span.style.fontWeight = "600" opcode_span.style.color = "#0b1220" desc_span = document.createElement("span") desc_span.innerText = description desc_span.style.color = "#6b7280" desc_span.style.fontSize = "0.8rem" desc_span.style.marginLeft = "8px" container.appendChild(opcode_span) container.appendChild(desc_span) stream_div.appendChild(container) stream_div.scrollTop = 0