Post Created date
Too much optimisation
Quote:..............and cranked the IAR optimization back up to -z6. I do not use the command line, but isn't -z9 the highest optimization level? Ever tried that? I always use...
Tuesday, 16 January 2007 - 21:06
Too much optimisation
Quote:Quote: When using the SEI instruction to enable interrupts, the instruction following SEI will be executed before any pending interrupts,... so the IAR optimizer in its...
Monday, 15 January 2007 - 23:37
any pico power devices available?
Lee, thanks for the info. Problem is, I have to decide within the next days if I stay with the MSP or change to AVR for this project (~20k/year, production of the new version to...
Saturday, 30 December 2006 - 15:22
size of compiled TCP/IP stack
LPC2300 is extremely cheap with high performance! Then there is the Freescale MCF5223x family with integrated PHY. Jörg.
Thursday, 21 December 2006 - 01:42
size of compiled TCP/IP stack
Quote:Hmm, so how to 'hack' the uIP to get the speed of approx. 700 kB/s? Or should I try to use a different stack? Ups, for 700kB/s you should really try to use a more powerfull...
Wednesday, 20 December 2006 - 19:32
size of compiled TCP/IP stack
Quote:But I don't know if the AVR with it's current speed limits (16 or 20 MHz) will be sufficient. Please read the documentation of uIP in detail and also try to follow the...
Wednesday, 20 December 2006 - 16:20
size of compiled TCP/IP stack
uIP compiles to less than 8k FLASH (~1k RAM). Jörg.
Monday, 18 December 2006 - 12:11
Strange while loop problem.
Variables that are used in the main loop and in an interrupt service routine (or in two independant ISRs) have to be declared as volatile. Look into the list file to get an idea...
Sunday, 17 December 2006 - 19:59
Hi people, emergency GROUND problem, please help!
Use CKOPT fuse for higher drive if using external XTAL. Add 10-100nF from RESET to GND. Jörg.
Sunday, 17 December 2006 - 19:48
Problem: garbage on LCD
Quote:to write on LCD, read back from LCD (from time to time, let's say 10 secs.), compare with buffer and if not identical -> re-initialize the LCD I think that this will not...
Tuesday, 5 December 2006 - 19:32
Problem: garbage on LCD
Quote:Is it 0x02 or 0x03... probably? Yes, exactly, bit 0x02 set, bit 0x01 does not matter. Function is described as 'cursor in home position'. Jörg.
Friday, 1 December 2006 - 08:26
Problem: garbage on LCD
Quote:Works fine, but sometimes I get garbage on the LCD. If I restart the device, LCD comes back to normal feelings... Does that mean that once you have got garbage on the LCD,...
Thursday, 30 November 2006 - 19:10

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