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1. Overview
This is the Linux BSP (Board Support Package) and the development environment for the STM32H7 System-On-Module (SOM) and Starter Kit, release 2.6.1.
The BSP provides a software development environment for evaluation and development of Linux (uClinux) on the Cortex-M7 processor core of the STM32H7 microcontroller using the Emcraft STM32H7 SOM Starter Kit as a hardware platform.
2. Supported Features
The following list provides a summary of the features and capabilities of this release of the STM32H7 BSP:
Linux:
Kernel v.6.1.28;
Serial Linux console;
Ethernet device driver and Linux TCP/IP networking (ping, NFS, Telnet, FTP, NTPD, etc);
Clock driver;
pinctrl
driver;busybox
v1.35.0;POSIX
pthreads
;Hardened exception handling; an exception triggered by a process affects only the offending process.
U-Boot firmware:
U-Boot v 2019.04-rc3;
Serial console command interface with various setup, test and maintenance commands;
Environment variables allowing customisation of a unit;
Sophisticated OS auto-boot sequence;
Partitioning and management of external Flash;
Initial installation of Linux image to external Flash.
Development environment:
Linux-hosted cross-development environment;
10.3-2021.10 Arm Embedded Toolchain is used for development of U-Boot, Linux;
11.3 GNU toolchain is used for development of user-space applications;
ELF / dynamic linking supported;
Debugging of user-space applications with cross-GDB;
Hardware FPU enabled in the toolchain and kernel;
mkimage
tool used by the Linux kernel build process to create a bootable Linux image.
3. Software Manifest
Repo | Link | Hash | Branch |
Linux STM32H7 |
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U-Boot STM32H7 |
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4. New and Changed Features
The following is a summary of the changes in release 2.6.1, as compared to release 2.6.0:
Fix bug: Controlling LEDs from user space doesn't work in uClinux 2.6.0 for STM32H7 SOM.
ID: STM32H7-22.Fix bug: The "next" command does not work in gdb 11.2.
ID: RM 7052.
5. Known Problems and Limitations
This section lists known problems and limitations of this release:
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