firmware+controller: Initial working HID state control

controller/hid-test.py

@@ -1,17 +1,22 @@
 #!/usr/bin/env python3
-import hid
+import logging
 
-USB_VID = 0x6969
-USB_PID = 0x0004
+import valconomy
 
 def main():
-  hid_handle = hid.device()
-  hid_handle.open(vendor_id=USB_VID, product_id=USB_PID)
+  logging.basicConfig(
+    format='%(asctime)s %(name)s %(levelname)s %(message)s', level=logging.INFO)
 
+  h = valconomy.HIDValconomyHandler()
   try:
-    hid_handle.write(b'\x00test')
+    h.menu(None, False)
+    h.none()
+    h.menu(None, True)
+    h.idle(None)
+
+    h.service()
   finally:
-    hid_handle.close()
+    h.close()
 
 if __name__ == '__main__':
   main()

controller/valconomy.py

@@ -1,10 +1,13 @@
 import base64
 from dataclasses import dataclass
 from enum import Enum
+import errno
 import json
 import logging
 from pprint import pprint
 import os
+import queue
+import struct
 import time
 from typing import Callable
 
@@ -49,12 +52,12 @@ class RiotPlayerInfo:
     return f'{self.name}#{self.tag}'
 
 class ValorantLocalClient:
-  lockfile_path = os.path.join(os.environ['LOCALAPPDATA'], r'Riot Games\Riot Client\Config\lockfile')
   poll_interval = 0.5
 
   def __init__(self, callback: Callable[[RiotPlayerInfo, bool], None]):
     self.callback = callback
 
+    self.lockfile_path = os.path.join(os.environ['LOCALAPPDATA'], r'Riot Games\Riot Client\Config\lockfile')
     self.port, self.password = None, None
     self.running = True
     self.players = {}
@@ -228,7 +231,78 @@ class ValconomyHandler:
       log.info('Hard luck...')
 
 class HIDValconomyHandler(ValconomyHandler):
-  pass
+  vid = 0x6969
+  pid = 0x0004
+
+  def __init__(self):
+    self.dev = None
+    self.running = True
+    self.queue = queue.Queue(128)
+
+  def close(self):
+    if self.dev is not None:
+      self.dev.close()
+
+  def _dev_ready(self):
+    try:
+      if self.dev is None:
+        dev = hid.device()
+        dev.open(vendor_id=self.vid, product_id=self.pid)
+        self.dev = dev
+        log.info(f'USB device opened')
+
+      # 2 bytes: report ID and returned value
+      # We get back the same report ID and value
+      data = self.dev.get_input_report(0, 2)
+      assert len(data) == 2
+      return data[1] == 1
+    except OSError:
+      if self.dev is not None:
+        log.warn(f'USB device lost')
+        self.dev = None
+      return False
+
+  def _do(self, cmd, *vals, fmt=None):
+    if fmt is None:
+      fmt = ''
+
+    fmt = '<BB' + fmt
+    # Prepend report ID 0
+    data = struct.pack(fmt, *(0, cmd) + vals)
+    self.dev.write(data)
+
+  def _enq(self, cmd, *vals, fmt=None):
+    self.queue.put((cmd, vals, fmt))
+
+  def service(self):
+    while not self.queue.empty():
+      cmd, vals, fmt = self.queue.get()
+
+      while not self._dev_ready():
+        if not self.running:
+          break
+        time.sleep(0.1)
+
+      try:
+        self._do(cmd, *vals, fmt=fmt)
+      except OSError as ex:
+        log.warn(f'USB device lost, state dequeuing stalled')
+
+  def run(self):
+    while self.running:
+      while self.queue.empty():
+        time.sleep(0.5)
+
+      self.service()
+
+  def none(self):
+    self._enq(0)
+
+  def menu(self, info: RiotPlayerInfo, was_idle: bool=False):
+    self._enq(1, 1 if was_idle else 0, fmt='B')
+
+  def idle(self, info: RiotPlayerInfo):
+    self._enq(2)
 
 class GameState(Enum):
   NONE = 0