Download User Guide (for ScatterWeb)

-
-
Periodic polling of sensor data and (depending on settings) automatic
transmission via the radio interface, the serial port (terminal or mobile
phone).
Simple and easy configuration and control of the ESB via terminal
commands over the serial interface or radio.
Software
The software of the sensor nodes was first separated into two parts (firmware &
application) to provide in-field programming via radio. This has recently
changed because that reprogramming strategy created several problems. Now
the whole thing (except the reprogramming code, which should not change
anymore, see progamming.c) is reprogrammable. Anyway the separation
between firmware and application is kept because it proved good as hardware
abstraction layer and to provide some OS-like concepts. The Firmware provides
abstract functions to interface and use the hardware, contains the main
execution loop + interrupts and provides some OS-like concepts. The firmware
supports all ScatterWeb/MSP430 devices: ESB (and EYE), eGate, ECR. The
application (userapp, program) is built on top of the firmware.
Directory tree
-
Applications: Contains application directories with PSPad project files.
System:
Contains firmware sources and binaries.
Major Changes
-
-
-
Firmware and userapp are not that strictly separated anymore. This
made reprogramming easier and all restrictions from the old firmware <->
userapp separation are gone. Reprogramming code is now in
programming.h, flasher.h contains the radio transfer of code images.
For simplicity all 3 firmwares from ESB, EYE, eGate and ECR have been
integrated into one with the use of #ifdef at some hardware dependent
places. When compiling the command line one must always define one
of: ESB, eGate, ECR, EYE. This is done in the makefiles with the
variable DEVICE. The makefiles are now taking every source file they
see in the directories and don't need to be changed for new/removed
files anymore (Look into the makefiles and at new directory structure).
Radio software has changed. Sending is now also done interrupt driven
and comes with a ring buffer to store several packets to send. Additional
new features are crc16 checksums and automatic acknowledgements
(except broadcasts) with feedback to the sender of every packet.
ScatterWeb inside
13