STM32 on OSX Redux

gistfile1.md

Prerequisites

• OSX
• STLink v2

Installation

• If you don't use homebrew, blindly type this into your terminal -

   ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"   
   brew doctor     
   brew install wget   
  

• Install the gcc-arm-none-eabi toolchain to your home directory

   wget "https://launchpad.net/gcc-arm-embedded/4.8/4.8-2014-q2-update/+download/gcc-arm-none-eabi-4_8-2014q2-20140609-mac.tar.bz2"   
   tar -xvf gcc-arm-none-eabi*   
   mv gcc-arm-none-eabi-4_8-* ~/gcc-arm-none-eabi   
  

• Install Eclipse C/C++

  • http://www.eclipse.org/downloads/

• Via Eclipse->Help->Install New Software, add these sources and install everthing -

  • Eclipse CDT - http://download.eclipse.org/tools/cdt/releases/kepler
  • Zylin CDT - http://opensource.zylin.com/zylincdt
  • GNU ARM Plugin - http://gnuarmeclipse.sourceforge.net/updates

• Install OpenOCD with support for stlink

   brew install openocd --enable_ft2232_libftdi --enable_stlink --with-libftdi --with-libusb     
  

Debugging

Follow this blog post setup your Eclipse installation, but using the information below.

###openocd config script###

source [find interface/stlink-v2.cfg]   
source [find target/stm32f1x_stlink.cfg]   
reset_config trst_only srst_nogate   

##gdb script##

init

target remote localhost:3333    
mon reset halt    
mon wait_halt      
mon poll   
mon flash probe 0   
mon flash protect 0 0 PAGECOUNT off   
mon reset halt   
mon stm32f1x mass_erase 0   
mon flash write_image erase <FIRMWARE>.elf   
mon flash protect 0 0 PAGECOUNT on   
disconnect   
target remote localhost:3333   
mon reset halt   

Replace PAGECOUNT with (FLASH_SIZE / PAGE_SIZE)

run

thbreak main   
continue