From a40dd6ff9d6c16f847d6e8874db02c97bcc28b9a Mon Sep 17 00:00:00 2001 From: gram Date: Thu, 11 Sep 2025 23:52:35 +0900 Subject: [PATCH] docs: Update TODO.md with comprehensive V2G message implementation roadmap MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - Remove completed/obsolete tasks from previous C# porting plan - Add detailed roadmap for implementing 11 core V2G message types - Prioritize DC charging essential messages (Phase 1: CableCheck, PreCharge, WeldingDetection, PowerDelivery) - Define implementation order: C → VC2022 → dotnet for consistency - Include infrastructure improvements and success metrics - Focus on XML parsing/generation as primary gap Next immediate step: CableCheckReq/Res implementation in C 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude --- TODO.md | 160 +++++++++++++++++++++++++++++++++++++++++--------------- 1 file changed, 117 insertions(+), 43 deletions(-) diff --git a/TODO.md b/TODO.md index 1f249ca..419a576 100644 --- a/TODO.md +++ b/TODO.md @@ -1,50 +1,124 @@ -# V2GDecoderC C# Porting Task List +# V2G EXI Decoder - Development Roadmap -## 📋 Execution Plan +## 📋 Current Status & Next Steps -### Phase 1: Setup & Analysis ✅ -- [x] Create REPORT.md with comprehensive C code analysis -- [x] Create TODO.md with execution plan +### ✅ Completed Tasks +- [x] Clean output implementation for VC2022 -decode/-encode options +- [x] Usage message standardization across versions +- [x] DEBUG_PRINTF macro implementation for conditional debug output +- [x] Comprehensive message implementation status analysis +- [x] Documentation of current capabilities and gaps +- [x] Multi-platform build verification (C, VC2022, dotnet) -### Phase 2: .NET Core/6+ Implementation -- [ ] Create `csharp` folder structure -- [ ] Create `csharp\dotnet` subfolder -- [ ] Port core EXI codec to .NET -- [ ] Port V2G protocol implementations (ISO1, ISO2, DIN) -- [ ] Create test harness for .NET version -- [ ] Test with test1.exi → test1.xml → test1.exi roundtrip -- [ ] Validate roundtrip integrity (original vs final) -- [ ] **Git commit** .NET version +### 🎯 Next Priority: V2G Message Implementation -### Phase 3: .NET Framework 4.8 Implementation -- [ ] Create `csharp\dotnetfx` subfolder -- [ ] Port .NET version to .NET Framework 4.8 -- [ ] Adjust for Framework-specific differences -- [ ] Create test harness for .NET FX version -- [ ] Test with test1.exi → test1.xml → test1.exi roundtrip -- [ ] Validate roundtrip integrity (original vs final) -- [ ] **Git commit** .NET Framework version +#### Phase 1: DC Charging Core Messages (Highest Priority) +Implementation order: C → VC2022 → dotnet -### Testing Strategy -``` -Original: test1.exi -Step 1: Decode test1.exi → test1.xml -Step 2: Encode test1.xml → test1_new.exi -Step 3: Binary compare test1.exi ≟ test1_new.exi -Result: PASS/FAIL validation -``` +1. **CableCheckReq/Res** - Cable insulation state verification + - [ ] C: XML parsing/generation logic + - [ ] C: EXI encoding/decoding integration + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + - [ ] Test with sample EXI files -### Key Porting Considerations -- **Memory Management**: C static allocation → C# managed memory -- **Error Handling**: C return codes → C# exceptions -- **String Handling**: C char arrays → C# string/byte[] -- **Buffer Operations**: C memcpy → C# Array.Copy/Buffer.BlockCopy -- **Platform Differences**: Endianness, type sizes -- **Security**: Address C vulnerabilities in C# implementation +2. **PreChargeReq/Res** - Pre-charging voltage matching + - [ ] C: XML parsing/generation logic + - [ ] C: EXI encoding/decoding integration + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + - [ ] Test with sample EXI files -### Success Criteria -1. ✅ Functional parity with C version -2. ✅ Test roundtrip validation passes -3. ✅ Clean separation of .NET/.NET FX versions -4. ✅ Git commits for each major milestone -5. ✅ Improved memory safety vs C version \ No newline at end of file +3. **WeldingDetectionReq/Res** - Post-charging welding detection + - [ ] C: XML parsing/generation logic + - [ ] C: EXI encoding/decoding integration + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + - [ ] Test with sample EXI files + +4. **PowerDeliveryReq/Res** - Charging start/stop control + - [ ] C: XML parsing/generation logic + - [ ] C: EXI encoding/decoding integration + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + - [ ] Test with sample EXI files + +#### Phase 2: Session & Service Management (High Priority) + +5. **SessionSetupReq/Res** - Charging session initialization + - [ ] C: XML parsing/generation logic + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + +6. **ServiceDiscoveryReq/Res** - Available charging services discovery + - [ ] C: XML parsing/generation logic + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + +7. **AuthorizationReq/Res** - Charging authorization verification + - [ ] C: XML parsing/generation logic + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + +8. **ChargeParameterDiscoveryReq/Res** - Charging parameter exchange + - [ ] C: XML parsing/generation logic + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + +#### Phase 3: Extended Features (Medium Priority) + +9. **PaymentServiceSelectionReq/Res** - Payment method selection + - [ ] C: XML parsing/generation logic + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + +10. **ChargingStatusReq/Res** - AC charging status (for AC support) + - [ ] C: XML parsing/generation logic + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + +11. **SessionStopReq/Res** - Charging session termination + - [ ] C: XML parsing/generation logic + - [ ] VC2022: Port from C implementation + - [ ] dotnet: Port from C implementation + +### 🔧 Infrastructure Improvements + +#### Code Quality & Testing +- [ ] Implement comprehensive test suite for all message types +- [ ] Create sample EXI files for each message type +- [ ] Add roundtrip testing (EXI → XML → EXI validation) +- [ ] Performance benchmarking across versions + +#### Build & Deployment +- [ ] Automate build process for all platforms +- [ ] Create release packaging scripts +- [ ] Add continuous integration pipeline + +#### Documentation +- [ ] Create API documentation for each version +- [ ] Write usage examples for each message type +- [ ] Document ISO 15118-2 compliance status + +### 📊 Success Metrics + +#### Functional Requirements +- [ ] Support all 8 core DC charging messages +- [ ] Pass ISO 15118-2 compliance validation +- [ ] Maintain backward compatibility with existing CurrentDemand implementation +- [ ] Clean output for production use (no debug messages) + +#### Quality Requirements +- [ ] 100% roundtrip accuracy (EXI → XML → EXI) +- [ ] Memory safety (no buffer overflows) +- [ ] Performance parity with original C implementation +- [ ] Consistent behavior across C/VC2022/dotnet versions + +### 🎯 Current Focus +**Immediate Next Step**: Implement CableCheckReq/Res in original C version as foundation for other platform ports. + +### 📝 Notes +- All message structures already exist in VC2022 and dotnet versions +- Focus on XML parsing/generation logic implementation +- Maintain DEBUG_PRINTF pattern for consistent debugging +- Test each message with real V2G communication scenarios \ No newline at end of file