Bootstrap OpenBitdo clean-room SDK and reliability milestone

sdk/tests/mode_switch_readback.rs

@@ -0,0 +1,34 @@
+use bitdo_proto::{
+    DeviceSession, MockTransport, RetryPolicy, SessionConfig, TimeoutProfile, VidPid,
+};
+
+#[test]
+fn set_mode_reads_back_latest_mode() {
+    let mut transport = MockTransport::default();
+    transport.push_read_data(vec![0x02, 0x01, 0x00, 0x00]);
+
+    let mut mode = vec![0u8; 64];
+    mode[0] = 0x02;
+    mode[1] = 0x05;
+    mode[5] = 3;
+    transport.push_read_data(mode);
+
+    let config = SessionConfig {
+        retry_policy: RetryPolicy {
+            max_attempts: 2,
+            backoff_ms: 0,
+        },
+        timeout_profile: TimeoutProfile {
+            probe_ms: 10,
+            io_ms: 10,
+            firmware_ms: 10,
+        },
+        ..SessionConfig::default()
+    };
+
+    let mut session =
+        DeviceSession::new(transport, VidPid::new(0x2dc8, 24585), config).expect("session init");
+
+    let mode_state = session.set_mode(3).expect("set mode");
+    assert_eq!(mode_state.mode, 3);
+}