Gary Johnson

Activity

Reply to LPC1768 supply voltage - I have several mbeds running with both Vin and USB power at the same time. …
Gary Johnson - 13 May 2011
Reply to mbed editor - Simon - When this happens, undo is a very bad thing and only makes things …
Gary Johnson - 13 Apr 2011
Reply to mbed editor - Yup, after months of rest, it's happening again. It has just jumbled my code for …
Gary Johnson - 13 Apr 2011
Reply to Trigger ADC from Timer Match - Wim - Like I said, never do math in public. Regards, - Gary
Gary Johnson - 07 Apr 2011
Reply to Trigger ADC from Timer Match - Wim - Sorry. Never do math in public. Use these two for the divisors/multiplier (they …
Gary Johnson - 06 Apr 2011
Reply to software interrupt - Thomas - I know this thread is a bit old, but rather than messing around …
Gary Johnson - 06 Apr 2011
Reply to Trigger ADC from Timer Match - Andy - It's starting to come back to me now. Depending on the multiplier and …
Gary Johnson - 06 Apr 2011
Reply to Trigger ADC from Timer Match - Andy - I don't remember what went wrong when I called SystemCoreClockUpdate(), but after looking …
Gary Johnson - 06 Apr 2011
Reply to Trigger ADC from Timer Match - Wim - 96 MHz or 100 MHz won't divide cleanly by 65, but 97.5 MHz …
Gary Johnson - 06 Apr 2011
Reply to Best way to send/store data to a computer - Reynaldo - I have not checked, but I'm thinking 921600 is it (at least for …
Gary Johnson - 05 Apr 2011
Reply to Best way to send/store data to a computer - Reynaldo - Let me polish that gem for you just a little more. The SerialPC …
Gary Johnson - 05 Apr 2011
Reply to Best way to send/store data to a computer - Reynaldo - It's in the "handbook" at http://mbed.org/handbook/Windows-serial-configuration. Just one of many hidden gems at …
Gary Johnson - 05 Apr 2011
Reply to Best way to send/store data to a computer - I'm confused... Why not just install the mBed USB Serial driver and use printf to …
Gary Johnson - 05 Apr 2011
Reply to Trigger ADC from Timer Match - Wim - I think you are looking at it wrong. You don't want to consume …
Gary Johnson - 05 Apr 2011
Reply to Trigger ADC from Timer Match - The mBed works just fine at 100 MHz, and I find that the libraries have …
Gary Johnson - 05 Apr 2011
Reply to lpc1769/1767 compatability - LPC 1769 is pin and function compatible with the 1768, and runs up to 120 …
Gary Johnson - 04 Apr 2011
Reply to Trigger ADC from Timer Match - [quote]...the conversion time is 65 cycles and the clock is derived from 96Mhz you cannot …
Gary Johnson - 04 Apr 2011
Reply to Which is more CPU intensive? - However, when considering the overall performance picture, realize that Simon's second and third examples add …
Gary Johnson - 04 Apr 2011
Reply to math functions ? - Kevin - The natural logarithm (ln) of 100 is 4.605170. Perhaps the function you seek …
Gary Johnson - 09 Feb 2011
Reply to Reading a high-speed serial stream - Michele - Picture your GPS example, except that somebody decided to be mean and not …
Gary Johnson - 26 Jan 2011