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travis: Initial continues integration build on linux and osx
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* Fixup README to render HTML from Markdown
* Fixup CMakeLists.txt to have a lower working minimum version
* Add .travis.yml and .travis.sh for autobuild
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Jerry Jacobs committed Apr 7, 2016
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12 changes: 12 additions & 0 deletions .travis.sh
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#!/bin/bash
if [ "$TRAVIS_OS_NAME" != "osx" ]; then
sudo apt-get update -qq || true
sudo apt-get install -qq -y --no-install-recommends libusb-1.0.0-dev
else
brew install libusb
fi

mkdir build
cd build
cmake ..
make
12 changes: 12 additions & 0 deletions .travis.yml
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sudo: true
language: c
script:
- ./.travis.sh
matrix:
include:
- os: osx
compiler: clang
- os: linux
compiler: gcc
- os: linux
compiler: clang
2 changes: 1 addition & 1 deletion CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 2.8.11)
cmake_minimum_required(VERSION 2.8.7)
project(stlink)

find_package(PkgConfig)
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108 changes: 67 additions & 41 deletions README
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HOWTO
=====
STMicroelectronics Stlink Tools
===============================

[![Build Status](https://travis-ci.org/xor-gate/stlink.svg?branch=travis)](https://travis-ci.org/xor-gate/stlink)

## HOWTO

First, you have to know there are several boards supported by the software.
Those boards use a chip to translate from USB to JTAG commands. The chip is
called stlink and there are 2 versions:
. STLINKv1, present on STM32VL discovery kits,
. STLINKv2, present on STM32L discovery and later kits.

2 different transport layers are used:
. STLINKv1 uses SCSI passthru commands over USB,
. STLINKv2 uses raw USB commands.
* STLINKv1, present on STM32VL discovery kits,
* STLINKv2, present on STM32L discovery and later kits.

Two different transport layers are used:

Common requirements
~~~~~~~~~~~~~~~~~~~
* STLINKv1 uses SCSI passthru commands over USB
* STLINKv2 uses raw USB commands.

## Common requirements

. libusb-1.0 (You probably already have this, but you'll need the
development version to compile)
. pkg-config

IF YOU HAVE AN STLINKv1
~~~~~~~~~~~~~~~~~~~~~~~
## For STLINKv1

The STLINKv1's SCSI emulation is very broken, so the best thing to do
is tell your operating system to completely ignore it.

Options (do one of these before you plug it in)
*) modprobe -r usb-storage && modprobe usb-storage quirks=483:3744:i
or *)1. add "options usb-storage quirks=483:3744:i" to /etc/modprobe.conf
*)2. modprobe -r usb-storage && modprobe usb-storage
or *)1. cp stlink_v1.modprobe.conf /etc/modprobe.d
*)2. modprobe -r usb-storage && modprobe usb-storage

IF YOU HAVE AN STLINKv2
~~~~~~~~~~~~~~~~~~~~~~~
* `modprobe -r usb-storage && modprobe usb-storage quirks=483:3744:i`
* or *)1. add "options usb-storage quirks=483:3744:i" to /etc/modprobe.conf
* *)2. modprobe -r usb-storage && modprobe usb-storage
* or *)1. cp stlink_v1.modprobe.conf /etc/modprobe.d
* *)2. modprobe -r usb-storage && modprobe usb-storage

## For STLINKv2

You're ready to go :)

COMPILING
~~~~~~~~~
## Build from sources

### Autotools

This project was converted to Autotools by a well meaning individual. The
following steps will build the project for you.

```
$ ./autogen.sh
$ ./configure
$ make
```

### CMake

```
$ mkdir build && cd build
$ cmake ..
$ make
```

## Using the gdb server

USING THE GDBSERVER
~~~~~~~~~~~~~~~~~~~
To run the gdb server: (you do not need sudo if you have set up
permissions correctly)

```
$ make && [sudo] ./st-util

There are a few options:
Expand All @@ -68,13 +86,15 @@ There are a few options:
st-util will continue listening for connections after disconnect.
-n, --no-reset
Do not reset board on connection.
```

The STLINKv2 device to use can be specified in the environment
variable STLINK_DEVICE on the format <USB_BUS>:<USB_ADDR>.
variable STLINK_DEVICE on the format `<USB_BUS>:<USB_ADDR>`.

Then, in your project directory, someting like this...
(remember, you need to run an _ARM_ gdb, not an x86 gdb)

```
$ arm-none-eabi-gdb fancyblink.elf
...
(gdb) tar extended-remote :4242
Expand All @@ -87,59 +107,64 @@ Transfer rate: 1 KB/sec, 560 bytes/write.
(gdb)
...
(gdb) continue
```

Have fun!

Resetting the chip from GDB
===========================
## Resetting the chip from GDB

You may reset the chip using GDB if you want. You'll need to use `target
extended-remote' command like in this session:

```
(gdb) target extended-remote localhost:4242
Remote debugging using localhost:4242
0x080007a8 in _startup ()
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) run
Starting program: /home/whitequark/ST/apps/bally/firmware.elf
Starting program: /home/whitequark/ST/apps/bally/firmware.elf
```

Remember that you can shorten the commands. `tar ext :4242' is good enough
for GDB.

Setting up udev rules
=====================
## Setting up udev rules

For convenience, you may install udev rules file, 49-stlinkv*.rules, located
in the root of repository. You will need to copy it to /etc/udev/rules.d,
and then either reboot or execute

```
$ udevadm control --reload-rules
$ udevadm trigger
```

Udev will now create a /dev/stlinkv2_XX or /dev/stlinkv1_XX file, with the appropriate permissions.
This is currently all the device is for, (only one stlink of each version is supported at
any time presently)

Running programs from SRAM
==========================
## Running programs from SRAM

You can run your firmware directly from SRAM if you want to. Just link
it at 0x20000000 and do

```
(gdb) load firmware.elf
```

It will be loaded, and pc will be adjusted to point to start of the
code, if it is linked correctly (i.e. ELF has correct entry point).

Writing to flash
================
## Writing to flash

The GDB stub ships with a correct memory map, including the flash area.
If you would link your executable to 0x08000000 and then do
(gdb) load firmware.elf
then it would be written to the memory.


FAQ
===
## FAQ

Q: My breakpoints do not work at all or only work once.

Expand All @@ -161,20 +186,21 @@ Q: Load command does not work in GDB.
A: Some people report XML/EXPAT is not enabled by default when compiling
GDB. Memory map parsing thus fail. Use --enable-expat.

Currently known working combinations of programmer and target
=============================================================
## Currently known working combinations of programmer and target

STLink v1 (as found on the 32VL Discovery board)

Known Working Targets:
Known working targets:

* STM32F100xx (Medium Density VL)
* STM32F103 (according to jpa- on ##stm32)

No information:

* everything else!

STLink v2 (as found on the 32L and F4 Discovery boards)
Known Working Targets:
STLink v2 (as found on the 32L and F4 Discovery boards), known working targets:

* STM32F030F4P6 (custom board)
* STM32F0Discovery (STM32F0 Discovery board)
* STM32F100xx (Medium Density VL, as on the 32VL Discovery board)
Expand All @@ -192,8 +218,8 @@ Known Working Targets:
* STM32L152RB (STM32L-Discovery board, custom board)
* STM32F051R8T6 (STM320518-EVAL board)

STLink v2-1 (as found on the Nucleo boards)
Known Working Targets:
STLink v2-1 (as found on the Nucleo boards), known working targets:

* STM32F401xx (STM32 Nucleo-F401RE board)
* STM32F030R8T6 (STM32 Nucleo-F030R8 board)
* STM32F072RBT6 (STM32 Nucleo-F072RB board)
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1 change: 1 addition & 0 deletions README.md

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