After having some experience with Brampuino 1-X (github.com/borisboesler/Brampuino-1-X, vimeo.com/47599954), I wanted to add more features and I decided to switch to the Raspberry Pi as a new platform and to start from scratch.
BramPi 1-X supports Bulb Ramping and ISO Ramping (vimeo.com/65675991). Additionally it supports Bulb HDR (vimeo.com/66029090). And after the hardware bugfix, flicker with short exposure times is hopefully gone.
Finally, BramPi 1-X also supports Dynamic Perception's Dolly Engine MX2 while shooting HDR.
The generated XML file is used to generate the diagram in the last frame.
Hope you like it.
UPDATE:
The XML looks like this:
<?xml version="1.0" encoding="UTF-8"?>
<timelapse name="Default Preset" libgphoto2="2.5.2">
<camera model="Canon EOS 400D DIGITAL" serialnumber="930449295"/>
<start-delay seconds="0"/>
<exposure start="1000" offset="0" min="50" max="15000" xsync="on" count="200" focus_tab="0"/>
<ramping fps="10" ev="0.1" iso_min="100" iso_max="1600"/>
<interval start="20000" min="3500" max="30000"/>
<hdr frames="3" mode="2" ev="2.0" delay="3000"/>
<lead-in count="0"/>
<xml-file write="on"/>
<frame shot="1"
exp_start="1000" exp_min="50" exp_max="15000" iso="100"
bulb="1000" real_bulb="1000"
ramp_fps="10" ramp_ev_step="0.1" ramp_iso_min="100" ramp_iso_max="1600"
hdr_frames="3" hdr_shot="1" hdr_ev_steps="2.0" hdr_mode="2"
/>
<frame shot="1"
exp_start="1000" exp_min="50" exp_max="15000" iso="100"
bulb="250" real_bulb="250"
ramp_fps="10" ramp_ev_step="0.1" ramp_iso_min="100" ramp_iso_max="1600"
hdr_frames="3" hdr_shot="2" hdr_ev_steps="2.0" hdr_mode="2"
/>
<frame shot="1"
exp_start="1000" exp_min="50" exp_max="15000" iso="100"
bulb="62" real_bulb="62"
ramp_fps="10" ramp_ev_step="0.1" ramp_iso_min="100" ramp_iso_max="1600"
hdr_frames="3" hdr_shot="3" hdr_ev_steps="2.0" hdr_mode="2"
/>