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F_CPU at 8388608 Hz? I've been using timer3 with the MCU clock for interrupts to run the Raven radio duty cycle. With a 1024 prescaler at 8MHz that gives about the right time precision of 128... |
Thursday, 1 December 2011 - 19:09 |
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[Solved] Raven rf230 checksum bad after jtag reset I have this puzzling problem that just started with the rf230 radio on one of my ravens. I routinely use a jtag signature read to reboot contiki to see the startup traffic, and... |
Saturday, 12 November 2011 - 19:11 |
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ATmega128rfa1 powered through RS232 pins? I have been using a prototype atmega128rfa1 on a protoboard, powered with 3v3 from that output of a Gabotronics XMEGA Xprotolab, but with UART1 connected to the level shifters of... |
Friday, 26 August 2011 - 21:38 |
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avr-gcc-4.5.1 using uninitialized register? Not sure if this is a bug, known or otherwise but if so I can try to distill it to the simplest case. Identical makefile and source in both cases, Os. WinAVR gcc-4.3.3 works fine... |
Saturday, 30 July 2011 - 22:42 |
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RF23x breakout board I am in need of a couple of RF23x breakout boards with proven antenna, so am contemplating submitting the http://www.atmel.com/dyn/resources/prod_documents/... |
Wednesday, 6 July 2011 - 22:48 |
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Getting serial output from the Studio 5 simulator Studio 4 won't simulate the atxmega32a4 so I am giving Studio 5 a try. I had been using Hapsim for serial output but that does not work with Studio 5 (yet?). I changed the... |
Tuesday, 5 July 2011 - 16:27 |
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[6LoWPAN_CONTIKI] A RPL Border router internal to Win7 Hi all, This may be of interest to some here...additions to the contiki code has allowed a 6LoWPAN RPL mesh to be formed by a border router that runs within cygwin on the Windows... |
Saturday, 2 July 2011 - 12:57 |
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Can the RF230 radio be damaged with continous transmissions? I've implemented a sort of sneezer mode on the RZRAVEN usb stick that puts the radio into continuous transmission, for testing CCA of other nearby radios. I'd guess it dissipates... |
Monday, 21 March 2011 - 22:06 |
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Studio5 Simulator "Writing to signature field not suppo Trying an atmega1284p .elf file on the Studio 5 simulator, but the simulator never starts up. The .elf file simulates fine on Studio 4 (but the buggy wdt simulation resets it... |
Sunday, 13 March 2011 - 22:45 |
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Arduino article slashdotted http://hardware.slashdot.org/story/11/02/11/1942203/Why-the-Arduino-Won-and-Why-Its-Here-To-Stay Lively discussion with 200 comments, 15 rated three or above. |
Saturday, 12 February 2011 - 16:11 |
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Preprocessor macro with embedded multiple argument define Hacking existing RF230 SPI driver code to work with the internal ATmega128rfa1 i/o space registers, I redefined the SPI read/write routines uint8_t hal_register_read(uint8_t... |
Saturday, 29 January 2011 - 22:33 |
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Cripple Raven RF receiver? I'm trying to set up a Raven multihop network with a 802.15.4 sniffer in the middle to capture all the traffic. I want each Raven to receive from only two others but the sniffer... |
Tuesday, 23 November 2010 - 15:08 |