kranenborg
Senior Member
Hi all,
I am new to the PICaxe concept, new to this forum, and do not have any PICAxe hardware up to now, but I definitely want to use a PICaxe in the near future. I have done quite some hobbying on analog electronics using the Philips EE kits (see my website at http://www.kranenborg.org/ee), but now I want to combine these designs with the PICaxes.
Here is my point: wouldnt it be very nice if support for floating point arithmetic be added?
Having roamed the internet I found three approaches:
1) Implement the Floating point subroutines (32 bit versions only) that are provided by Microchip and integrate this into the PICaxe's code.
2) Use the PAK-XII or PAK-XI from AWE (http://www.al-williams.com/pak12.htm)using RS232 protocol (ie. serin-serout communication) or direct using shiftin-shiftout
3) Use the uM-FPU from Micromega Corp. (http://www.micromegacorp.com/fpu/uM-FPU.html)
personally I would favour option nr. 3: It is a brand-new, small 8-pin, relatively cheap co-processor that support the SPI-protocol. I understand that this is almost identical to the ic2 bus protocol, and the device should function properly in the ic2-bus of a PICAXE-18X/28X/40X.Also only a very small library would be useful to support high-level commands (see for example the BASIC-STAMP-2 documents and software links on the site)
Second best option: can't choose between 1 and 2 ...
Maybe there are already plans for Floating Point math support?
Regards,
Jurjen
Â
I am new to the PICaxe concept, new to this forum, and do not have any PICAxe hardware up to now, but I definitely want to use a PICaxe in the near future. I have done quite some hobbying on analog electronics using the Philips EE kits (see my website at http://www.kranenborg.org/ee), but now I want to combine these designs with the PICaxes.
Here is my point: wouldnt it be very nice if support for floating point arithmetic be added?
Having roamed the internet I found three approaches:
1) Implement the Floating point subroutines (32 bit versions only) that are provided by Microchip and integrate this into the PICaxe's code.
2) Use the PAK-XII or PAK-XI from AWE (http://www.al-williams.com/pak12.htm)using RS232 protocol (ie. serin-serout communication) or direct using shiftin-shiftout
3) Use the uM-FPU from Micromega Corp. (http://www.micromegacorp.com/fpu/uM-FPU.html)
personally I would favour option nr. 3: It is a brand-new, small 8-pin, relatively cheap co-processor that support the SPI-protocol. I understand that this is almost identical to the ic2 bus protocol, and the device should function properly in the ic2-bus of a PICAXE-18X/28X/40X.Also only a very small library would be useful to support high-level commands (see for example the BASIC-STAMP-2 documents and software links on the site)
Second best option: can't choose between 1 and 2 ...
Maybe there are already plans for Floating Point math support?
Regards,
Jurjen
Â
