IQ.Pilot Release Commit @ b6534c0

iqpilot/tools/cabana/core/message_id.h

@@ -0,0 +1,27 @@
+#pragma once
+#include <cstdint>
+#include <cstdio>
+#include <functional>
+#include <string>
+#include <tuple>
+
+constexpr int INVALID_SOURCE = 0xff;
+
+struct MessageId {
+  uint8_t source = 0;
+  uint32_t address = 0;
+  std::string toString() const { char b[64]; snprintf(b, sizeof(b), "%u:%X", source, address); return b; }
+  static MessageId fromString(const std::string &s) {
+    const auto p = s.find(':');
+    if (p == std::string::npos) return {};
+    return {.source = static_cast<uint8_t>(std::stoul(s.substr(0, p))), .address = static_cast<uint32_t>(std::stoul(s.substr(p + 1), nullptr, 16))};
+  }
+  bool operator==(const MessageId &o) const { return source == o.source && address == o.address; }
+  bool operator!=(const MessageId &o) const { return !(*this == o); }
+  bool operator<(const MessageId &o) const { return std::tie(source, address) < std::tie(o.source, o.address); }
+  bool operator>(const MessageId &o) const { return o < *this; }
+};
+
+template <> struct std::hash<MessageId> {
+  size_t operator()(const MessageId &id) const noexcept { return std::hash<uint8_t>{}(id.source) ^ (std::hash<uint32_t>{}(id.address) << 1); }
+};