ValueCAN 4-2EL: Add communication over Ethernet

The device can communicate with the PC over its Ethernet if the enablePcEthernetComm setting is set within the structure. This stops the Ethernet port from being used for vehicle data.
2026-08-05 09:28:40 +02:00 · 2020-09-14 12:35:43 -04:00
parent d2676afa11
commit 8843ace87e
10 changed files with 172 additions and 47 deletions
@@ -0,0 +1,79 @@
+#ifndef __VALUECAN4_2EL_ETH_H_
+#define __VALUECAN4_2EL_ETH_H_
+
+#ifdef __cplusplus
+
+#include "icsneo/device/tree/valuecan4/valuecan4-2el.h"
+#include "icsneo/platform/pcap.h"
+#include <string>
+
+namespace icsneo {
+
+class ValueCAN4_2EL_ETH : public ValueCAN4_2EL {
+public:
+	static constexpr const uint16_t ETH_PRODUCT_ID = 0x000B;
+
+	static std::vector<std::shared_ptr<Device>> Find(const std::vector<PCAP::PCAPFoundDevice>& pcapDevices) {
+		std::vector<std::shared_ptr<Device>> found;
+		
+		for(auto& foundDev : pcapDevices) {
+			auto fakedev = std::shared_ptr<ValueCAN4_2EL_ETH>(new ValueCAN4_2EL_ETH({}));
+			for (auto& payload : foundDev.discoveryPackets)
+				fakedev->com->packetizer->input(payload);
+			for (auto& packet : fakedev->com->packetizer->output()) {
+				std::shared_ptr<Message> msg;
+				if (!fakedev->com->decoder->decode(msg, packet))
+					continue; // We failed to decode this packet
+
+				if(!msg || msg->network.getNetID() != Network::NetID::Main51)
+					continue; // Not a message we care about
+				auto sn = std::dynamic_pointer_cast<SerialNumberMessage>(msg);
+				if(!sn)
+					continue; // Not a serial number message
+				
+				if(sn->deviceSerial.length() < 2)
+					continue;
+				if(sn->deviceSerial.substr(0, 2) != SERIAL_START)
+					continue; // Not a ValueCAN4-2EL
+				
+				auto device = foundDev.device;
+				device.serial[sn->deviceSerial.copy(device.serial, sizeof(device.serial))] = '\0';
+				found.push_back(std::shared_ptr<ValueCAN4_2EL_ETH>(new ValueCAN4_2EL_ETH(std::move(device))));
+				break;
+			}
+		}
+
+		return found;
+	}
+
+	static const std::vector<Network>& GetSupportedNetworks() {
+		static std::vector<Network> supportedNetworks = {
+			Network::NetID::HSCAN,
+			Network::NetID::HSCAN2,
+
+			// No Network::NetID::Ethernet, since we're communicating over it instead
+		};
+		return supportedNetworks;
+	}
+
+protected:
+	virtual void setupSupportedRXNetworks(std::vector<Network>& rxNetworks) override {
+		for(auto& netid : GetSupportedNetworks())
+			rxNetworks.emplace_back(netid);
+	}
+
+	// The supported TX networks are the same as the supported RX networks for this device
+	virtual void setupSupportedTXNetworks(std::vector<Network>& txNetworks) override { setupSupportedRXNetworks(txNetworks); }
+
+private:
+	ValueCAN4_2EL_ETH(neodevice_t neodevice) : ValueCAN4_2EL(neodevice) {
+		initialize<STM32, ValueCAN4_2ELSettings>();
+		productId = ETH_PRODUCT_ID;
+	}
+};
+
+}
+
+#endif // __cplusplus
+
+#endif