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</o:shapelayout></xml><![endif]--></head><body lang=EN-IN link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Hello Didier,<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'> Glad to here that. Which car do you have? . Unfortunately esp32 doesn’t have spare pinouts to have that. I will do this in next rev when we plan for different processor.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Rohit Soni<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> OvmsDev <ovmsdev-bounces@lists.openvehicles.com> <b>On Behalf Of </b>didier@ernotte.com<br><b>Sent:</b> 09 August 2021 09:02 PM<br><b>To:</b> 'OVMS Developers' <ovmsdev@lists.openvehicles.com><br><b>Subject:</b> Re: [Ovmsdev] OVMS Hardware 4.0<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif'>Hi,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif'>I have a very selfish request because all this is way beyond my skills : My OBD2 connector in the car does not have 3 bus, it has only one, the High Speed (pin 6/14), but on pin 3/11/12/13 I have the TX +/- and RX +/- cable for the Ethernet connection, plus Ethernet activation on pin 8. Could it be an option to have also DoIP (Diagnostic over IP) on a future OVMS hardware ?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif'>Didier<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif'><o:p> </o:p></span></p></div></div><div id="yahoo_quoted_9151461511"><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>Le lundi 9 août 2021, 05 h 03 min 06 s HAE, <<a href="mailto:rohit@ekraft.asia">rohit@ekraft.asia</a>> a écrit : <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p> </o:p></span></p></div><div><div id=yiv6507036826><div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>Hello Mark,<o:p></o:p></span></p><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> Thanks for the comments. Please find the attached responses inline in green.<o:p></o:p></span></p><ol start=1 type=1><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l1 level1 lfo1'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Please don’t call this "OVMS v4", as that would cause confusion. Our ‘v’ naming is based on processor architecture:<br><br>v1 - original prototype hand-built (PIC18F2680)<br>v2 - first production version (PCI18F2685)<br>v3 - refined production version (ESP32 WROVER, 16MB flash 4MB SPIRAM)<br><br>Within that we have a .x naming scheme for subversions. The current version is v3.2 and the upcoming 4G module will be v3.3.<br><br>It sounds like you are trying to make a different layout of the upcoming version, so perhaps a fork of v3.3?<br><br>My concern here is to avoid confusion. <span style='background:lime'>Yes this is kind of fork of v3.3 with some additions on v3.2. </span><o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l1 level1 lfo1'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>SIM7600 sounds ok. That is the direction we are heading as well. <span style='background:lime'>If we adopt the version SIM7600G-H then this is global with all regions supported. However all modules on this series are pin to pin so doesn’t matter if we go for region specific.</span><o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l1 level1 lfo1'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>For ESP32 are you using WROVER module with 16MB flash and 4MB/8MB SPIRAM? <span style='background:lime'>Noop. I am planning to use wroom only. Should I switch to wrover instead?</span><o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l1 level1 lfo1'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>For things like ACC detection, full power control, RGB LED, which GPIO / extended-IO pins are you using? <span style='background:lime'>I have used extender i.e MAX7317AEE+. Attached is the reference for esp32 connections.</span></span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:windowtext'> </span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'><o:p></o:p></span></li></ol><p class=yiv6507036826msonormal style='mso-margin-top-alt:5.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><img border=0 width=1144 height=470 style='width:11.9166in;height:4.8958in' id="yiv6507036826Picture_x0020_1" src="cid:image002.jpg@01D78D7A.3412C1D0"></span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p></o:p></span></p><ol start=5 type=1><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l2 level1 lfo2'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>It doesn’t look like you support the current expansion board option? <span style='background:lime'>Noop. I am not using any expansion thing here. Any particular requirement for that?</span><o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l2 level1 lfo2'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>It seems that you are using a different vehicle connector, so this will be hardwired for Indian MG ZS EV? <span style='background:lime'>Noop. Since we can use this for many other vehicles also by changing the connector. In current version the PCB has exposed pads where we need to solder wires to connector.</span> <o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l2 level1 lfo2'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Note that we removed the LED in v3 (it was in v2) due to power consumption issues with that. <span style='background:lime'>There is power control option from hardware side. Only esp32 and accelero module are always on. For other things, power control is done from GPIO of esp32.</span><o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;mso-list:l2 level1 lfo2'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>How are you intending to handle firmware? A fork of the current code, or kconfig flags to support your hardware differences? <span style='background:lime'>Unfortunately I am not that good on software side . Can modify it slightly by not much. Would require some support on this .</span><o:p></o:p></span></li></ol><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black;background:lime'>One more thing, I was not able to find the CAN ic in stock so using TCAN334 from TI. Will this work with MCP2515-E_ML?</span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p></o:p></span></p><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>Regards,<o:p></o:p></span></p><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>Rohit Soni<o:p></o:p></span></p><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><div id=yiv6507036826yqtfd53930><p class=yiv6507036826msonormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> OvmsDev <<a href="mailto:ovmsdev-bounces@lists.openvehicles.com">ovmsdev-bounces@lists.openvehicles.com</a>> <b>On Behalf Of </b>Mark Webb-Johnson<br><b>Sent:</b> 09 August 2021 01:51 PM<br><b>To:</b> OVMS Developers <<a href="mailto:ovmsdev@lists.openvehicles.com">ovmsdev@lists.openvehicles.com</a>><br><b>Subject:</b> Re: [Ovmsdev] OVMS Hardware 4.0</span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p></o:p></span></p></div></div></div><div id=yiv6507036826yqtfd43336><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'>Looks interesting. A few comments:</span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p></o:p></span></p><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'> </span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p></o:p></span></p></div><div><ol start=1 type=1><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l3 level1 lfo3'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Please don’t call this "OVMS v4", as that would cause confusion. Our ‘v’ naming is based on processor architecture:<br><br>v1 - origjnal prototype hand-built (PIC18F2680)<br>v2 - first production version (PCI18F2685)<br>v3 - refined production version (ESP32 WROVER, 16MB flash 4MB SPIRAM)<br><br>Within that we have a .x naming scheme for subversions. The current version is v3.2 and the upcoming 4G module will be v3.3.<br><br>It sounds like you are trying to make a different layout of the upcoming version, so perhaps a fork of v3.3?<br><br>My concern here is to avoid confusion.<o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l3 level1 lfo3'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>SIM7600 sounds ok. That is the direction we are heading as well.<o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l3 level1 lfo3'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>For ESP32 are you using WROVER module with 16MB flash and 4MB/8MB SPIRAM?<o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l3 level1 lfo3'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>For things like ACC detection, full power control, RGB LED, which GPIO / extended-IO pins are you using?<o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l3 level1 lfo3'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>It doesn’t look like you support the current expansion board option?<o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l3 level1 lfo3'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>It seems that you are using a different vehicle connector, so this will be hardwired for Indian MG ZS EV?<o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;margin-bottom:12.0pt;mso-list:l3 level1 lfo3'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Note that we removed the LED in v3 (it was in v2) due to power consumption issues with that.<o:p></o:p></span></li><li class=yiv6507036826msonormal style='color:black;mso-list:l3 level1 lfo3'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>How are you intending to handle firmware? A fork of the current code, or kconfig flags to support your hardware differences?<o:p></o:p></span></li></ol><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'> </span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'>Regards, Mark,</span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p></o:p></span></p></div></div><div><p class=yiv6507036826msonormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><o:p> </o:p></span></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>On 9 Aug 2021, at 3:18 PM, <<a href="mailto:rohit@ekraft.asia" target="_blank">rohit@ekraft.asia</a>> <<a href="mailto:rohit@ekraft.asia" target="_blank">rohit@ekraft.asia</a>> wrote:<o:p></o:p></span></p></div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p><div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>Hello OVMS dev’s,<o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> I am basically hardware designer planning to use the OVMS on my MG ZS EV ( Indian version ). For this I designed the hardware containing 4g module as well as all the components on single PCB.<o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>Have a look on below:<o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><image002.jpg><image004.jpg><o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> Top Side Bottom side<o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>The hardware features are as follows:<o:p></o:p></span></p></div><ol style='margin-top:0cm' start=1 type=1><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>4G module with active GPS antenna support ( sim7600 )<o:p></o:p></span></li><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>ESP32 as main processor ( similar to ovms rev 3)<o:p></o:p></span></li><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Sim and sd card in stacked single slot to save space<o:p></o:p></span></li><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>3 can bus ports<o:p></o:p></span></li><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Battery backup in case need to use this device as security. On board charging<o:p></o:p></span></li><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Accelero/ gyro combined low power device<o:p></o:p></span></li><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>ACC detection in case of supported from vehicle from OBD port<o:p></o:p></span></li><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Fully power control of each and every component and low power sleep mode<o:p></o:p></span></li><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>Input power supply up-to 60 V<o:p></o:p></span></li><li class=yiv6507036826msolistparagraph style='color:#26282A;margin-top:0cm;margin-bottom:0cm;mso-list:l0 level1 lfo4'><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif'>RGB led for status indication<o:p></o:p></span></li></ol><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>The device case would be as below in which OBD connector would be there.<o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><image007.jpg><image008.jpg><o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>Do let me know if we need to add something so hardware is future ready.<span class=yiv6507036826apple-converted-space> </span><o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>Regards,<o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>Rohit Soni<o:p></o:p></span></p></div><div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>+91-9660770212<o:p></o:p></span></p></div><p class=yiv6507036826msonormal><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#26282A'>_______________________________________________<br>OvmsDev mailing list<br></span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><a href="mailto:OvmsDev@lists.openvehicles.com" target="_blank"><span style='font-size:9.0pt;font-family:"Arial",sans-serif'>OvmsDev@lists.openvehicles.com</span></a></span><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#26282A'><br></span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'><a href="http://lists.openvehicles.com/mailman/listinfo/ovmsdev" target="_blank"><span style='font-size:9.0pt;font-family:"Arial",sans-serif'>http://lists.openvehicles.com/mailman/listinfo/ovmsdev</span></a><o:p></o:p></span></p></div></blockquote></div><p class=yiv6507036826msonormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'> <o:p></o:p></span></p></div></div></div></div><div id=yqtfd41770><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A'>_______________________________________________<br>OvmsDev mailing list<br><a href="mailto:OvmsDev@lists.openvehicles.com">OvmsDev@lists.openvehicles.com</a><br><a href="http://lists.openvehicles.com/mailman/listinfo/ovmsdev" target="_blank">http://lists.openvehicles.com/mailman/listinfo/ovmsdev</a><o:p></o:p></span></p></div></div></div></div></div></body></html>