I think I have found.
I have compiled bfgminer 4.0.0 (a little long on raspberry

).
I have launch it with /usr/local/bin/bfgminer -S all -S bfx:all -c /opt/minepeon/etc/miner.conf
bfgminer version 4.0.0 - Started: [2014-06-02 19:25:50] - [ 0 days 00:03:20]
[M]anage devices [P]ool management [S]ettings [D]isplay options [H]elp [Q]uit
Pool 0: 192.168.1.12 Diff:16 +Strtm LU:[19:29:07] User:ouafnico.nemesis
Block: ...9e415a12505516ef Diff:51.9k (371.7G) Started: [19:29:07]
ST:6 F:0 NB:6 AS:0 BW:[ 30/ 16 B/s] E:24.62 I: 974mBTC/hr BS:102
3/4 | 7.23/ 1.79/ 1.85Gh/s | A:13 R:0+0(none) HW:9/1.1%
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
AMU 0: | 2.12/ 0.58/ 0.60Gh/s | A: 3 R:0+0(none) HW:1/3.4%
AMU 1: | 2.11/ 0.57/ 0.60Gh/s | A: 8 R:0+0(none) HW:0/none
BFX 0: | 3.21/ 0.70/ 0.71Gh/s | A: 2 R:0+0(none) HW:8/none
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[2014-06-02 19:25:48] Loaded configuration file /opt/minepeon/etc/miner.conf
The bfgminer use CPU about 2 minutes, before start to mining and show something.
I will see if it hold all the day...