http://tech.groups.yahoo.com/group/uMFPU/ uMFPU Tue, 24 Nov 2009 17:39:42 GMT markkiger http://tech.groups.yahoo.com/group/uMFPU/message/358 http://tech.groups.yahoo.com/group/uMFPU/message/358 I have no idea why, but the issue resolved itself. To clarify: I am using the 18pin 3.1 chip I was using the v3 ide as well as the v3 beta The 1.3 version IDE Tue, 24 Nov 2009 04:20:45 GMT camt@... http://tech.groups.yahoo.com/group/uMFPU/message/357 http://tech.groups.yahoo.com/group/uMFPU/message/357 Hi Mark, There's no special configuration, other than selecting the port using the Debug>Select Port... menu command. I'm still unclear which version you're Tue, 24 Nov 2009 03:34:19 GMT markkiger http://tech.groups.yahoo.com/group/uMFPU/message/356 http://tech.groups.yahoo.com/group/uMFPU/message/356 ... Thanks for the quick reply. I am using the V3 chip, I can only talk to it using the earlier version of the software. I have a V2 chip as well, but I am Tue, 24 Nov 2009 03:05:33 GMT camt@... http://tech.groups.yahoo.com/group/uMFPU/message/355 http://tech.groups.yahoo.com/group/uMFPU/message/355 Are you using the uM-FPU V2 chip or the uM-FPU V3 chip? uM-FPU V2 IDE Release 2.2 is for the uM-FPU V2 chip uM-FPU V3 IDE Release 2 beta 6 is for the uM-FPU V3 Tue, 24 Nov 2009 02:17:46 GMT markkiger http://tech.groups.yahoo.com/group/uMFPU/message/354 http://tech.groups.yahoo.com/group/uMFPU/message/354 I can communicate with the FPU using the 2.2 version, but I cannot get the beta 6 version to communicate at all. They are both set to use the same port and I Wed, 18 Nov 2009 00:14:54 GMT camt@... http://tech.groups.yahoo.com/group/uMFPU/message/353 http://tech.groups.yahoo.com/group/uMFPU/message/353 Several new documents have recently been posted to the Micromega website. http://www.micromegacorp.com/ 1) Updated document: "V3.1 Instruction Set". The Mon, 16 Nov 2009 20:41:58 GMT camt@... http://tech.groups.yahoo.com/group/uMFPU/message/352 http://tech.groups.yahoo.com/group/uMFPU/message/352 Hi Walt, The description in the documentation for SELECTMA/MB/MC is wrong. The pre-release version of these instructions used row/column in a single byte, but Mon, 16 Nov 2009 19:18:23 GMT owmygout http://tech.groups.yahoo.com/group/uMFPU/message/351 http://tech.groups.yahoo.com/group/uMFPU/message/351 I'm having some problems loading a matrix with values from the A register in the uM-FPU V3.1. Perhaps I don't have a complete understanding of the matrix Thu, 12 Nov 2009 19:03:17 GMT camt@... http://tech.groups.yahoo.com/group/uMFPU/message/350 http://tech.groups.yahoo.com/group/uMFPU/message/350 I don't put capacitors on either of those lines. The /MCLR pin can be tied directly to VDD if it's not used. I put a 10K pullup to VDD on /MCLR if I'm adding a Thu, 12 Nov 2009 09:49:03 GMT mtukmail http://tech.groups.yahoo.com/group/uMFPU/message/349 http://tech.groups.yahoo.com/group/uMFPU/message/349 Thanks Cam, would you not include another cap between /MCLR and CS ? Many thanks for your time.. Wed, 11 Nov 2009 16:44:18 GMT camt@... http://tech.groups.yahoo.com/group/uMFPU/message/348 http://tech.groups.yahoo.com/group/uMFPU/message/348 It's generally good practice to add a decoupling capacitor close to the power pins for any microprocessor. This smooths out the high frequency noise generated Wed, 11 Nov 2009 08:24:33 GMT mtukmail http://tech.groups.yahoo.com/group/uMFPU/message/347 http://tech.groups.yahoo.com/group/uMFPU/message/347 Would people recommend the use of capacitors in circuits connecting the uM-FPU V3 with a basic stamp via 2-wire SPI, I have seen a few drawings using I2C that Fri, 09 Oct 2009 13:37:24 GMT camt_micromega http://tech.groups.yahoo.com/group/uMFPU/message/345 http://tech.groups.yahoo.com/group/uMFPU/message/345 The IDE compiler uses the register types declared to determine when type conversion is required. If you're going to store both a floating point and an integer Fri, 09 Oct 2009 00:15:51 GMT plymouthvaliant@... http://tech.groups.yahoo.com/group/uMFPU/message/344 http://tech.groups.yahoo.com/group/uMFPU/message/344 As part of an equation I entered the following and compiled it: Distance equ F1 Distance = FIXR(Distance) The IDE generated: SHIFTOUT FpuOut, FpuClk, MSBFIRST, Mon, 05 Oct 2009 22:46:56 GMT camt_micromega http://tech.groups.yahoo.com/group/uMFPU/message/343 http://tech.groups.yahoo.com/group/uMFPU/message/343 The support files for using the uM-FPU V3.1 chip with PicBasic Pro already have definitions for all the opcodes. Any opcode that conflicts with a reserved word