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v2.3.0: Platform Expansion
Added support for 5 new platforms: MCU Platforms: - Raspberry Pi Pico 2 (RP2350) - Dual Cortex-M33 @ 150MHz, 520KB SRAM, NV-DDR support - Arduino GIGA R1 WiFi (STM32H747) - Dual-core 480MHz, FMC NAND, SDMMC, WiFi/BLE SBC Platforms (Linux GPIO drivers): - Raspberry Pi (3B+, 4, 5, Zero 2W) - rppal GPIO, hardware SPI - Orange Pi (Zero 3, 2W, 5) - Memory-mapped GPIO, Allwinner/Rockchip Features: - NV-DDR timing support on RP2350 (up to 400MT/s) - Hardware ECC via STM32H747 FMC - HS200 mode for eMMC on Arduino GIGA - Unix socket API for SBC platforms - TCP remote control for headless operation Protocol version: 0x23 Total supported platforms: 9 (6 MCU + 3 SBC)
1 parent e345eba commit 57569f9

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‎openflash/CHANGELOG.md‎

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@@ -7,6 +7,74 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
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## [Unreleased]
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## [2.3.0] - 2027-Q1
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### Added
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- **Platform Expansion**
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- Significantly expanded hardware platform support from 4 to 9 platforms
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- **Raspberry Pi Pico 2 (RP2350)**
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- New `rp2350` firmware module
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- Dual Cortex-M33 @ 150MHz (or RISC-V Hazard3 cores)
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- 520KB SRAM (2x more than RP2040)
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- Enhanced PIO blocks for NV-DDR timing support
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- ARM TrustZone and secure boot capabilities
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- Direct migration path from RP2040 firmware
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- Platform ID: 0x05
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- **Raspberry Pi SBC (Linux GPIO)**
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- New `raspberry_pi` driver module (userspace, not firmware)
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- Support for Pi 3B+, Pi 4, Pi 5, Zero 2W
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- GPIO access via rppal library
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- Hardware SPI via spidev
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- Unix socket API for local control
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- TCP support for remote operation
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- Headless server mode capability
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- Platform ID: 0x10
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- **Arduino GIGA R1 WiFi (STM32H747)**
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- New `arduino_giga` firmware module
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- Dual-core: Cortex-M7 @ 480MHz + Cortex-M4 @ 240MHz
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- 1MB RAM, 2MB Flash
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- USB OTG HS with 512-byte packets
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- FMC-based parallel NAND with hardware ECC
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- SDMMC for eMMC/SD with HS200 mode
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- WiFi/BLE via Murata module
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- Platform ID: 0x20
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- **Orange Pi (Allwinner/Rockchip)**
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- New `orange_pi` driver module (userspace)
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- Orange Pi Zero 3 (Allwinner H618)
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- Orange Pi Zero 2W (Allwinner H616)
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- Orange Pi 5 (Rockchip RK3588)
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- Memory-mapped GPIO for direct register access
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- SPI via Linux spidev
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- Ultra-low-cost programmers ($15-20)
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- Platform ID: 0x11
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- **New Capabilities**
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- NV-DDR support on RP2350 (up to 400MT/s)
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- Hardware ECC on STM32H747 FMC peripheral
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- HS200 mode for eMMC on Arduino GIGA
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- Unix socket API for SBC platforms
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- TCP remote control for headless operation
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- **New Firmware Modules**
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- `firmware/rp2350/` - Raspberry Pi Pico 2 firmware
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- `firmware/raspberry_pi/` - Raspberry Pi SBC driver
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- `firmware/arduino_giga/` - Arduino GIGA R1 WiFi firmware
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- `firmware/orange_pi/` - Orange Pi driver
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### Changed
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- Protocol version updated to 0x23
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- Core library version updated to 2.3.0
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- Total supported platforms: 9 (6 MCU + 3 SBC)
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### Documentation
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- Updated ROADMAP with v2.3 completion
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- Added platform-specific wiring guides
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- Updated Hardware-Setup wiki with new platforms
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## [2.2.0] - 2027-Q1
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### Added

‎openflash/ROADMAP.md‎

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Детальный план развития проекта OpenFlash.
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## Текущий статус: v2.2.0
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## Текущий статус: v2.3.0
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---
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- Logic analyzer до 24 MHz с VCD/Sigrok экспортом
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- JTAG chain scanning и SWD debug interface
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### v2.2 — Expanded Memory Support ← ТЕКУЩАЯ
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### v2.3 — Platform Expansion ← ТЕКУЩАЯ
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**Статус:** ✅ Released
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| Фича | Статус |
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|------|--------|
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| Raspberry Pi Pico 2 (RP2350) | ✅ Done |
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| Raspberry Pi SBC (3B+, 4, 5, Zero 2W) | ✅ Done |
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| Arduino GIGA R1 WiFi (STM32H747) | ✅ Done |
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| Orange Pi (Zero 3, 2W, 5) | ✅ Done |
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**Новые платформы:**
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**1. Raspberry Pi Pico 2 (RP2350)** — Высокий приоритет
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- Архитектура: Dual Cortex-M33 @ 150MHz (или RISC-V Hazard3)
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- 520KB SRAM (vs 264KB на RP2040)
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- Улучшенные PIO блоки для NV-DDR timing
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- ARM TrustZone, secure boot
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- Прямая миграция с RP2040
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**2. Raspberry Pi SBC (Linux GPIO)**
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- Поддержка: Pi 3B+, Pi 4, Pi 5, Zero 2W
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- Работа через /dev/mem и rppal
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- Unix socket для локального управления
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- Headless server mode
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- Высокая скорость обработки (CPU 1.5+ GHz)
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**3. Arduino GIGA R1 WiFi (STM32H747)**
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- Dual-core: Cortex-M7 @ 480MHz + Cortex-M4 @ 240MHz
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- 1MB RAM, 2MB Flash
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- USB OTG HS (512-byte packets)
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- FMC для parallel NAND с hardware ECC
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- SDMMC для eMMC/SD с HS200
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- WiFi/BLE через Murata модуль
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**4. Orange Pi (Allwinner/Rockchip)**
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- Orange Pi Zero 3 (H618)
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- Orange Pi Zero 2W (H616)
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- Orange Pi 5 (RK3588)
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- Memory-mapped GPIO
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- Сверхдешёвые ($15-20) программаторы
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**Новые возможности:**
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- NV-DDR support на RP2350 (до 400MT/s)
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- Hardware ECC на STM32H747 FMC
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- HS200 mode для eMMC на Arduino GIGA
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- Unix socket API для SBC платформ
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**Итого поддерживаемых платформ: 9**
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- MCU: RP2040, RP2350, STM32F1, STM32F4, STM32H747, ESP32
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- SBC: Raspberry Pi, Orange Pi
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---
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### v2.2 — Expanded Memory Support
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**Статус:** ✅ Released
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| Фича | Статус |
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| v2.0 | Q4 2026 | ✅ Released |
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| v2.1 | Q1 2027 | ✅ Released |
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| v2.2 | Q1 2027 | ✅ Released |
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| v2.3 | Q1 2027 | ✅ Released |
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| v3.0 | 2028 | 🔮 Future |
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‎openflash/core/Cargo.toml‎

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[package]
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name = "openflash-core"
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version = "2.2.0"
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version = "2.3.0"
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edition = "2021"
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description = "Core library for OpenFlash NAND/eMMC programmer"
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license = "MIT"

‎openflash/firmware/arduino_giga/Cargo.toml‎

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[package]
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name = "openflash-firmware-arduino-giga"
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version = "2.3.0"
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edition = "2021"
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description = "OpenFlash firmware for Arduino GIGA R1 WiFi (STM32H747)"
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[dependencies]
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cortex-m = "0.7"
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cortex-m-rt = "0.7"
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embassy-stm32 = { version = "0.1", features = ["stm32h747xi-cm7", "time-driver-any", "unstable-pac", "critical-section-impl"] }
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embassy-time = "0.3"
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embassy-usb = "0.3"
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embassy-executor = { version = "0.6", features = ["task-arena-size-65536", "arch-cortex-m", "executor-thread", "executor-interrupt"] }
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panic-probe = { version = "0.3", features = ["print-defmt"] }
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defmt = "0.3"
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defmt-rtt = "0.4"
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heapless = "0.8"
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[features]
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default = ["cm7"]
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# Arduino GIGA has dual-core STM32H747
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cm7 = [] # Cortex-M7 (480MHz)
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cm4 = [] # Cortex-M4 (240MHz)
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[profile.dev]
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debug = 2
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lto = true
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[profile.release]
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lto = true
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opt-level = "z"

‎openflash/firmware/arduino_giga/src/fmc_nand.rs‎

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//! FMC-based Parallel NAND driver for STM32H747
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//!
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//! Uses the Flexible Memory Controller (FMC) for high-speed parallel NAND.
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//! The STM32H747's FMC supports up to 16-bit bus width and hardware ECC.
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use defmt::*;
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/// FMC NAND bank configuration
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pub struct FmcNandConfig {
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/// Bank number (1-4)
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pub bank: u8,
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/// Bus width (8 or 16 bit)
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pub bus_width: BusWidth,
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/// Enable hardware ECC
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pub hw_ecc: bool,
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/// ECC page size
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pub ecc_page_size: EccPageSize,
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}
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/// Bus width
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#[derive(Clone, Copy, PartialEq)]
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pub enum BusWidth {
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X8,
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X16,
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}
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/// ECC page size for hardware ECC
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#[derive(Clone, Copy)]
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pub enum EccPageSize {
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Bytes256,
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Bytes512,
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Bytes1024,
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Bytes2048,
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Bytes4096,
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Bytes8192,
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}
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impl Default for FmcNandConfig {
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fn default() -> Self {
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Self {
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bank: 1,
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bus_width: BusWidth::X8,
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hw_ecc: true,
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ecc_page_size: EccPageSize::Bytes2048,
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}
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}
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}
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/// FMC NAND controller
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pub struct FmcNand {
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config: FmcNandConfig,
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initialized: bool,
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}
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impl FmcNand {
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pub fn new(config: FmcNandConfig) -> Self {
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Self {
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config,
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initialized: false,
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}
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}
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/// Initialize FMC for NAND operations
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pub fn init(&mut self) {
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info!("Initializing FMC NAND controller");
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info!("Bank: {}, Bus: {:?}", self.config.bank,
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if self.config.bus_width == BusWidth::X8 { "x8" } else { "x16" });
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// FMC initialization would go here
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self.initialized = true;
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}
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/// Enable hardware ECC
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pub fn enable_hw_ecc(&mut self) {
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if self.config.hw_ecc {
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info!("Hardware ECC enabled");
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}
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}
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/// Read NAND ID
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pub fn read_id(&self) -> [u8; 8] {
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[0; 8]
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}
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/// Read page with hardware ECC
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pub fn read_page(&self, _block: u32, _page: u32, _buf: &mut [u8]) -> Result<(), FmcNandError> {
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Ok(())
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}
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/// Program page with hardware ECC
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pub fn program_page(&self, _block: u32, _page: u32, _data: &[u8]) -> Result<(), FmcNandError> {
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Ok(())
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}
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/// Erase block
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pub fn erase_block(&self, _block: u32) -> Result<(), FmcNandError> {
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Ok(())
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}
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/// Get hardware ECC result
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pub fn get_ecc(&self) -> u32 {
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0
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}
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}
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/// FMC NAND errors
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#[derive(Debug)]
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pub enum FmcNandError {
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Timeout,
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ProgramFailed,
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EraseFailed,
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EccError,
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NotInitialized,
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}

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