Updates

hardware/target.py

@@ -0,0 +1,53 @@
+"""HTTP REST client for the i.MX 8M Mini target.
+
+Talks to the Flask server in `server/app.py`. The target must run that server
+with appropriate privileges to access /sys/kernel/debug, memtool, and i2c-2.
+"""
+
+from __future__ import annotations
+
+import logging
+
+import requests
+
+log = logging.getLogger(__name__)
+
+
+class TargetController:
+    def __init__(self, ip: str, port: int, timeout_s: float = 10.0) -> None:
+        self.base_url = f"http://{ip}:{port}"
+        self.timeout = timeout_s
+        probe = requests.get(f"{self.base_url}/registers", timeout=timeout_s)
+        probe.raise_for_status()
+        log.info("Target reachable at %s", self.base_url)
+
+    def _get(self, path: str) -> dict:
+        r = requests.get(f"{self.base_url}{path}", timeout=self.timeout)
+        r.raise_for_status()
+        return r.json()
+
+    def _put(self, path: str, payload: dict) -> dict:
+        r = requests.put(f"{self.base_url}{path}", json=payload, timeout=self.timeout)
+        r.raise_for_status()
+        return r.json()
+
+    def get_dsim_registers(self) -> dict:
+        return self._get("/registers")
+
+    def get_sn65_registers(self) -> dict:
+        return self._get("/sn65_registers")
+
+    def get_sn65_settling(self) -> dict:
+        return self._get("/sn65_settling")
+
+    def display_on(self) -> dict:
+        return self._put("/display", {"state": "on"})
+
+    def display_off(self) -> dict:
+        return self._put("/display", {"state": "off"})
+
+    def video_start(self, mode: str = "static-pink") -> dict:
+        return self._put("/video", {"action": "start", "mode": mode})
+
+    def video_stop(self) -> dict:
+        return self._put("/video", {"action": "stop"})