oh-my-renesas

OpenCode plugin for Renesas MCU development with 4 specialized AI agents and 17 tools.

Features

• renesas-fsp-expert — FSP expert for RA MCU development (drivers, interrupts, clocks, build, flash)
• renesas-librarian — Product information specialist (MCU family search and comparison)
• renesas-community — Community knowledge agent (accesses community.renesas.com via Playwright)
• renesas-freertos-expert — FreeRTOS expert for RA MCU development (task design, config, debugging, TCP/FAT)
• 17 tools — 9 FSP tools + 2 hardware tools + 2 product tools + 3 FreeRTOS tools

Installation

Quick Install (Recommended)

bunx oh-my-renesas
# or
npx oh-my-renesas

Manual Install

Add to ~/.config/opencode/opencode.json or ~/.config/opencode/opencode.jsonc:

{
  "plugin": ["oh-my-renesas"]
}

Uninstall

bunx oh-my-renesas --uninstall

Configuration (Optional)

Create ~/.config/opencode/oh-my-renesas.json:

{
  "agents": {
    "renesas-fsp-expert": { "model": "anthropic/claude-opus-4-5" },
    "renesas-freertos-expert": { "model": "anthropic/claude-sonnet-4-20250514" }
  },
  "fsp": {
    "fsp_pack_path": "/path/to/fsp",
    "jlink_path": "/path/to/JLink",
    "e2studio_cli": "/path/to/e2studio"
  }
}

Tools

FSP Tools

• RenesasGetDriverForPeripheral — Find correct FSP driver for MCU family + peripheral
• RenesasGetApiUsage — Get open/configure/use/close code example for a driver
• RenesasCompareMcuFamilies — Side-by-side MCU family comparison
• RenesasGetInterruptConfig — IRQ setup checklist for driver + family
• RenesasDiagnoseError — Root cause analysis for FSP error codes
• RenesasGetClockConfig — Clock setup recipe for MCU family + goal
• RenesasSearchFspDocs — Full-text search across FSP documentation
• RenesasGetFspModules — List FSP modules for a family
• RenesasGetFspErrors — All known FSP error codes

Hardware Tools

• RenesasRaBuildProject — Build RA project via e2studio CLI or CMake
• RenesasRaFlashFirmware — Flash firmware via J-Link
• RenesasRaReadRegister — Read MCU register/memory via J-Link

Product Tools

• searchRenesasProducts — Search Renesas MCU families by keyword/core/application
• getProductFamily — Get detailed info about a specific MCU family

FreeRTOS Tools

• RenesasGetFreertosConfig — FreeRTOSConfig.h setup recipe for MCU family + goal (basic-multitasking, tcp-networking, fat-filesystem)
• RenesasDiagnoseFreertosIssue — Root cause analysis and fixes for FreeRTOS issues (stack overflow, deadlock, priority inversion)
• RenesasGetFreertosApiUsage — FreeRTOS API code examples (task-creation, queue, mutex, semaphore, timer, event-group)

Requirements

• OpenCode with plugin support
• Playwright MCP (for renesas-community agent)
• J-Link (optional, for hardware tools)
• e2studio CLI (optional, for build tool)
• Renesas FSP pack (optional, for RenesasSearchFspDocs)

Migration

See MIGRATION.md if upgrading from fsp-mcp.