https://community.nxp.com/t5/LPCXpresso-IDE/Question-on-driving-stepper-motors/m-p/543536#M8293 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Dave3891 on Wed Jul 13 23:01:39 MST 2011</STRONG><BR /><SPAN>I am working on a 6 axis stepper signal generator (Step and Direction) and I have tried a few different ways but I can't seem to get the max freq that I am looking to be close to (1Mhz).</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>I am using the LPC1343</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>I am just looking for advice on the fastest way to do it.</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>My current idea is to use the 2 32bit timers with 3 match registers on each timer, but I would have to use a free running timer and do a matchReg++ on each interrupt and a position++ for each interrupt.</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>When the match is in toggle mode, how long does it toggle for?</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>I have also tried a version that uses Bresenham formula and one timer, but this one could not interpolate all 6 axis faster then about 200khz...</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>So I am looking to have all 6 axis running at a max of 1MHz and I am not sure of the best way to do this and if it would work with the 2 timers and 6 match registers...</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>Thanks</SPAN><BR /><SPAN>Dave</SPAN></BODY></HTML> Thu, 16 Jun 2016 01:51:57 GMT lpcware 2016-06-16T01:51:57Z https://community.nxp.com/t5/LPCXpresso-IDE/Question-on-driving-stepper-motors/m-p/543536#M8293 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Dave3891 on Wed Jul 13 23:01:39 MST 2011</STRONG><BR /><SPAN>I am working on a 6 axis stepper signal generator (Step and Direction) and I have tried a few different ways but I can't seem to get the max freq that I am looking to be close to (1Mhz).</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>I am using the LPC1343</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>I am just looking for advice on the fastest way to do it.</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>My current idea is to use the 2 32bit timers with 3 match registers on each timer, but I would have to use a free running timer and do a matchReg++ on each interrupt and a position++ for each interrupt.</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>When the match is in toggle mode, how long does it toggle for?</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>I have also tried a version that uses Bresenham formula and one timer, but this one could not interpolate all 6 axis faster then about 200khz...</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>So I am looking to have all 6 axis running at a max of 1MHz and I am not sure of the best way to do this and if it would work with the 2 timers and 6 match registers...</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>Thanks</SPAN><BR /><SPAN>Dave</SPAN></BODY></HTML> Thu, 16 Jun 2016 01:51:57 GMT https://community.nxp.com/t5/LPCXpresso-IDE/Question-on-driving-stepper-motors/m-p/543536#M8293 lpcware 2016-06-16T01:51:57Z