Bticino F454
This page shall be a container for various pieces of information about Bticion's F454. Most of the information is - for now - derived from just poking around on the device with SSH. So, due to this and in general: of course certain details can be unsure or not accurate, because something has been overlooked.
The F454 is a typical embedded system using a SoC and running a Linux-based system.
Hardware
The F454 is based on TI's (Texas Instruments) DaVinci DM365 SoC, from 2009. The Wikipedia page Texas Instruments DaVinci can be used as a first overview.
The SoC does include, among many peripherals, an ARM processor:
- family: ARM9E
- architecture: ARMv5TEJ
- core: ARM926EJ-S
Apparently DM365 SoCs can run with 216 MHz, 270 MHz or 300 MHz.
A look at Linux' /proc/cpuinfo confirms:
root@basi:~# cat /proc/cpuinfo
Processor : ARM926EJ-S rev 5 (v5l)
BogoMIPS : 134.34
Features : swp half thumb fastmult edsp java
CPU implementer : 0x41
CPU architecture: 5TEJ
CPU variant : 0x0
CPU part : 0x926
CPU revision : 5
Hardware : BTicino BASI board
Revision : 0000
Serial : 0000000000000000
The system includes a device called bt_nexmed_hwmon.0. It is registered as a Linux hardware monitoring device and provides further information.
root@basi:~# cd /sys/devices/platform/bt_nexmed_hwmon.0
root@basi:/sys/devices/platform/bt_nexmed_hwmon.0# ls in* temp*
in1_input in1_label in2_input in2_label in4_input
in4_label in5_input in5_label temp1_input temp1_label
| input | label | typical value | comment |
|---|---|---|---|
| in1 | Hw version | 0 | |
| in2 | board identification | BASI BOARD | |
| in4 | cpu speed | 270MHz | |
| in5 | board configuration | 4 | unknown - what does it mean? |
| temp1 | Temperature | 38 | most likely in celcius? |
The DaVinci DM365 SoC includes a 720p H264 encoder and decoder - next other co-processors and seems to belong to the group of full-featured DaVinci SoCs of it's time (2008/2009).
Question: Why DM365 - why does the F454 need this 720p en/decoding capability. Wouldn't a DM355 also do it? Related to video door entry systems?
TODO: more
Software
Tool Chain
Operating System
TODO
Applications
TODO
