./workspace/TS100 -> ./source/

source/Core/Drivers/FUSB302/protocol_rx.h

@@ -0,0 +1,64 @@
+/*
+ * PD Buddy Firmware Library - USB Power Delivery for everyone
+ * Copyright 2017-2018 Clayton G. Hobbs
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef PDB_PROTOCOL_RX_H
+#define PDB_PROTOCOL_RX_H
+
+#include <stdint.h>
+
+#include <pd.h>
+
+/* Events for the Protocol RX thread */
+#define PDB_EVT_PRLRX_RESET EVENT_MASK(0)
+#define PDB_EVT_PRLRX_I_GCRCSENT EVENT_MASK(1)
+#define PDB_EVT_PRLRX_I_RXPEND EVENT_MASK(2)
+
+class ProtocolReceive {
+public:
+	static void init();
+	static void notify(uint32_t notification);
+private:
+	static void thread(const void *args);
+
+	static EventGroupHandle_t xEventGroupHandle;
+	static StaticEventGroup_t xCreatedEventGroup;
+	static osThreadId TaskHandle;
+	static const size_t TaskStackSize = 1024 / 4;
+	static uint32_t TaskBuffer[TaskStackSize];
+	static osStaticThreadDef_t TaskControlBlock;
+	/*
+	 * Protocol RX machine states
+	 *
+	 * There is no Send_GoodCRC state because the PHY sends the GoodCRC for us.
+	 * All transitions that would go to that state instead go to Check_MessageID.
+	 */
+	enum protocol_rx_state {
+		PRLRxWaitPHY, PRLRxReset, PRLRxCheckMessageID, PRLRxStoreMessageID
+	};
+	static protocol_rx_state protocol_rx_store_messageid();
+	static protocol_rx_state protocol_rx_check_messageid();
+	static protocol_rx_state protocol_rx_reset();
+	static protocol_rx_state protocol_rx_wait_phy();
+	static union pd_msg tempMessage;
+	static uint8_t _rx_messageid;
+	static uint8_t _tx_messageidcounter;
+	static uint32_t waitForEvent(uint32_t mask, TickType_t ticksToWait =
+	portMAX_DELAY);
+
+};
+
+#endif /* PDB_PROTOCOL_RX_H */