DokuWiki fixed:firmware http://tibbo.com/kb/ 2010-09-10T10:48:22+04:00 DokuWiki http://tibbo.com/kb/ http://tibbo.com/kb/lib/images/favicon.ico text/html 2010-03-03T16:04:36+04:00 Size of the Routing Buffers and How They Affect the Device Server http://tibbo.com/kb/fixed/firmware/buffers?rev=1267621476&do=diff Question: I am wondering if the capacity of the internal serial buffers of the Device Server is enough for my serial application. How much data can the buffers hold (transmit)? Answer: Just checking the physical capacity of the serial buffers of the Device Server is not a correct approach. Several other factors must be taken into consideration. The ability of the Device Server to transmit (without losses) the serial data of a certain size also depends on the selected transport protocol and flow… text/html 2008-09-09T14:02:20+04:00 Losing the First Few Data Bytes http://tibbo.com/kb/fixed/firmware/first_bytes_lost?rev=1220954540&do=diff Question: The first five bytes in the first data block received from the serial device when beginning the communication are always missing. I have also tried to reboot the DS 202 with the 'E' command, but with the same result. Why is this? Answer: One of the most probable reasons is that both setup values - Start on any char and Use Start character are set to NO. This way, the DS doesn't have a specific char to start from, and also doesn't start on the first char and you lose a few bytes in the… text/html 2008-09-09T14:18:02+04:00 My DS Sends Packets With Trailing 'Junk' Data http://tibbo.com/kb/fixed/firmware/junk_trailer?rev=1220955482&do=diff Question: I have an applications which sends data in very short bursts, so the DS creates packets containing just 1 data byte. But when I inspect the packets using Ethereal or WinDump, I see that they contain a 'trailer' section with garbage data, which just makes the packet larger. Why is that? text/html 2010-02-22T15:07:14+04:00 Why Do the LEDs On My Device Blink Like THIS? http://tibbo.com/kb/fixed/firmware/leds?rev=1266840434&do=diff Question: I get a LED pattern on my device, and I don't understand what it means. Answer: Tibbo has a comprehensive LED emulator, which shows the different patterns and their meaning. You may access it by clicking Here. Note: This emulator applies to fixed firmware, where the LED signals are pre-determined. If your device is running a Tibbo BASIC application, only the developer of that application tell you what the LED signals mean (he designed them). text/html 2008-09-09T14:45:11+04:00 Can't set the Port Number to 65535. http://tibbo.com/kb/fixed/firmware/port_65535?rev=1220957111&do=diff Question: I am trying to set the port number to 65535 but the DS100/EM100 wouldn't let me do this! Why is that? Answer: The DS100/EM100 has two logical ports - a Data Port and a Command Port. The Data Port is used to exchange the serial data between the DS100/EM100 and the remote station (PC, another DS100, etc.). Command Port is used to setup the DS100 via the Network. The Data Port number is user-definable and can be in the range from 0 to 65534. Command Port number is fixed at 65535. This is… text/html 2008-09-09T14:46:50+04:00 When EEPROM settings go into effect http://tibbo.com/kb/fixed/firmware/settings_go_into_effect?rev=1220957210&do=diff Question: I have noticed that after I modify the Settings using the “S” command (i.e. “SBR3” to change the baudrate) the changes do not have immediate effect. When do the changes take place? Is there a way to make those changes have immediate effect?