SLAU292C Datasheet, PDF (44/102 Pages) Texas Instruments – eZ430-Chronos™ Development Tool

eZ430-Chronos Software Projects
www.ti.com
3.6.3.3 Error Handling
The wireless updater was created in a fail safe way. The radio protocol only contains limited error handling
due to its small footprint, but the updater provides recovery in case the update process failed. Upon
communication failures, the watch is put in low-power mode (LPM4) and the LCD is turned off. The update
process can be re-started by pushing the "DOWN" button after the update process is re-started on the PC
side.
3.6.3.4 Upgrading Existing eZ430-Chronos Kits
Earlier eZ430-Chronos kits (production date prior to 04/2010; the production date may be found on bottom
of eZ430-Chronos box) do not support the wireless update feature. Therefore, the kits must be updated
manually. In addition to a new version of the PC software, firmware updates of the RF access point and
the eZ430-Chronos watch are required.
3.6.3.4.1 RF Access Point Update
The CC Debugger is required to re-program the CC1111 based RF access point. To perform the update,
the SmartRF Flash Programmer software is used to on the PC side.
1. Solder a debug interface connector cable onto the CC1111 access point as shown in Figure 3-15.
Figure 3-15. eZ430-Chronos RF Access Point Connection to CC Debugger
CC-Debugger
RF Access Point
Pin 1
GND
Pin 2
Vcc
Pin 3
P2.2 (DC)
Pin 4
P2.1 (DD)
Pin 7
RST
Pin 9
Vcc
2. Connect RF access point to CC Debugger and press the "Reset". The LED on the CC Debugger
should become green.
3. Launch the SmartRF Programmer software
4. Open .hex file according to frequency in C:\Program Files\Texas Instruments\eZ430-
Chronos\Recovery\RF Access Point
5. Select "Erase, program and verify"
6. Clock "Perform actions"
44
eZ430-Chronos Software
SLAU292C – November 2009 – Revised December 2010
Submit Documentation Feedback
© 2009–2010, Texas Instruments Incorporated