Project

General

Profile

OsmocomBB Firmware » History » Version 10

fixeria, 07/11/2018 11:02 AM

1 1 prom
h1. Background
2 10 fixeria
3 10 fixeria
{{>toc}}
4 8 jolly
5 8 jolly
The [[OsmocomBB]] source code comes with several applications for various purposes.
6 2 nion
Those applications can be devided into two separate classes, applications:
7 8 jolly
* running on the baseband chip of the phone
8 8 jolly
* running on a PC, communicating with the baseband firmware over serial
9 2 nion
10 3 nion
Applications running on the PC can further be partitioned into:
11 8 jolly
* Firmware management software (loading, flashing, ...)
12 8 jolly
* GSM Layer 2/3 applications
13 1 prom
14 1 prom
The following will provide you a rough overview of the most commonly used software pieces.
15 1 prom
16 1 prom
17 1 prom
18 1 prom
19 8 jolly
h1. Baseband firmware
20 8 jolly
21 8 jolly
22 1 prom
Binary location: src/target/firmware/board/*/*.bin
23 1 prom
Source locations: src/target/firmware/, particularly apps and layer1
24 1 prom
25 1 prom
26 8 jolly
h2. layer1
27 8 jolly
28 8 jolly
[[layer1bin]] is a simple GSM layer 1 proxy, communicating over the [[L1A_L23_Interface]].
29 8 jolly
30 5 nion
This allows you to run a full-blown GSM implementation on your host machine, communicating through the phones radio interface.
31 5 nion
32 1 prom
33 8 jolly
h2. loader
34 1 prom
35 8 jolly
[[loaderbin]] is our flash loader, dumper and second stage bootloader
36 8 jolly
37 8 jolly
38 8 jolly
h2. l1test
39 8 jolly
40 8 jolly
41 1 prom
Layer 1 development application.
42 1 prom
43 1 prom
This application does what layer1 does, but automatically tunes to the strongest ARFCN it can find.
44 1 prom
45 1 prom
It can be used for stand-alone-testing of the phones radio.
46 1 prom
47 1 prom
48 8 jolly
h2. loader
49 1 prom
50 1 prom
51 8 jolly
Our [[Bootloader]], available in various build configurations.
52 8 jolly
53 8 jolly
54 8 jolly
h2. compal_dsp_dump
55 8 jolly
56 8 jolly
57 1 prom
Application for dumping the contents of the DSP in the Calypso chip.
58 1 prom
59 1 prom
60 8 jolly
h2. compal_dumper
61 7 jolly
62 1 prom
63 8 jolly
The old compal device dumper. Use [[Bootloader]] instead once it is available.
64 8 jolly
65 8 jolly
66 8 jolly
h2. hello_world
67 8 jolly
68 8 jolly
69 1 prom
The initial obligatory "Hello, world!" application.
70 1 prom
71 7 jolly
Currently, this does more than say hello. Intended as a template for new applications.
72 1 prom
73 1 prom
74 8 jolly
h2. menu
75 1 prom
76 1 prom
77 8 jolly
Boot menu application to select and load apps that are stored in flash memory. See [[flashing_new]].
78 8 jolly
79 8 jolly
80 8 jolly
h2. rssi
81 8 jolly
82 8 jolly
83 1 prom
The [blog:rssi-firmware] can be used to monitor the received signal indication (RSSI) of ARFCNs or the entire spectrum.
84 1 prom
85 1 prom
86 8 jolly
h2. EMI
87 1 prom
88 1 prom
89 8 jolly
The EMI (electro magnetic interference) simulator application can be used to generate RF interference caused by GSM networks an mobile station. See [[emi-firmware]].
90 1 prom
91 8 jolly
92 8 jolly
93 8 jolly
94 8 jolly
h1. Firmware management software
95 8 jolly
96 1 prom
Location (source and binary): src/host/osmocon
97 1 prom
98 2 nion
99 8 jolly
h2. osmocon
100 8 jolly
101 8 jolly
[[osmocon]] is a console tool for interfacing our baseband firmware on the phone with applications on the host PC.
102 8 jolly
103 2 nion
It is responsible for downloading a baseband firmware or bootloader into the phone and relay communication between Layer 3 applications and baseband firmwares over serial.
104 2 nion
105 1 prom
106 8 jolly
h2. osmoload
107 1 prom
108 8 jolly
[[osmoload]] is used to write, dump and examine flash memory of supported phones.
109 1 prom
110 8 jolly
You will need this program for example if you intent [[flashing]] an application to the phone (the software is usually loaded into RAM).
111 1 prom
112 2 nion
113 8 jolly
h2. calypso_pll
114 8 jolly
 
115 8 jolly
The [[calypso_pll]] tool can be used to calculate Calypso DPLL multiplier+divider.
116 8 jolly
117 8 jolly
118 8 jolly
h2. rita_pll
119 8 jolly
120 8 jolly
The [[rita_pll]] tool can be used to calculate the Rita PLL multiplier/divider.
Add picture from clipboard (Maximum size: 48.8 MB)