<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div><blockquote type="cite" class=""><div class=""><div id="Signature" class="">Am I correct to assume that the 16Mb of memory is on the module now?</div></div></blockquote><div class=""><br class=""></div>The ESP32 chip uses an external flash chip. The WROOM/WROVER modules include a flash chip in the modules.<div class=""><br class=""></div><div class="">In the very early days of development prototypes for OVMS v3, we used an external 16MB flash chip (as only 4MB WROOM modules were available at the time).</div><div class=""><br class=""></div><div class=""><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0);" class="">For production, we switched to 16MB WROVER modules, so don’t require any external flash chip any more.</span></font></div><div class=""><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0);" class=""><br class=""></span></font></div><div class=""><blockquote type="cite" class=""><div class=""><div id="Signature" class="">How are the core developers dealing with this slowness?</div></div></blockquote><div class=""><br class=""></div>I don’t find it slow at all (but I use MAC and LINUX for development). Most of the time, it is an incremental build (only building changes code, and then a linking step) - it normally takes longer to flash the chip than build the code. I timed a full ‘make clean; make -j 4’ to see what it is for me:</div><div class=""><br class=""></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div class="">$ time make -j 4</div><div class="">...</div><div class=""><div class="">real<span class="Apple-tab-span" style="white-space:pre"> </span>2m53.557s</div><div class="">user<span class="Apple-tab-span" style="white-space:pre"> </span>5m55.978s</div><div class="">sys<span class="Apple-tab-span" style="white-space:pre"> </span>1m40.391s</div></div></blockquote><div class=""><div><br class=""></div><div>Just under 3 minutes real time. Perhaps you can check in windows to see how much worse it is?</div><div><br class=""></div><div><blockquote type="cite" class=""><div class=""><div id="Signature" class="">Is it at all possible, if i could force platformio to use the correct the idf-esp libraries, to compile the OVMS code in a more recent environment that uses cmake and ninja?</div></div></blockquote></div><div><br class=""></div><div>I haven’t tried it myself. We do have some make scripts in various components that may rely on the existing build system. Things like the versioning.</div><div><br class=""></div><div>OVMS was written when ESP-IDF was quite new, and unpolished. At some point, we will most likely migrate to a newer build system, as ESP-IDF matures.</div><div><br class=""></div><div>Regards, Mark.</div><div><br class=""><blockquote type="cite" class=""><div class="">On 8 Apr 2020, at 8:37 AM, Eddy Vromen <<a href="mailto:eddy_vromen@hotmail.com" class="">eddy_vromen@hotmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;" class=""><br class="Apple-interchange-newline"><br class=""></div><div id="Signature" class=""><br class="">HI All,</div><div id="Signature" class=""><br class=""></div><div id="Signature" class="">I have a question about the flash memory of the ESP32.</div><div id="Signature" class="">I read that the ESP32 uses 16Mb of external flash memory and in the schematics on page 27 there is a flash memory chip. However, in the latest v3.2 schematics there is no external flash chip.</div><div id="Signature" class="">Am I correct to assume that the 16Mb of memory is on the module now?</div><div id="Signature" class="">How does this impact the e-fuse settings?</div><div id="Signature" class=""><br class=""></div><div id="Signature" class=""><br class=""></div><div id="Signature" class=""><br class=""></div><div id="Signature" class="">Another question that came up while setting up a development environment:</div><div id="Signature" class="">The version of esp-idf thats used by the OVSM project uses the Mingw32 environment. Based on my limited exposure to using this environment, its very slow compared to compiling esp-idf code under e.g. platformio under VSCode. </div><div id="Signature" class="">How are the core developers dealing with this slowness?</div><div id="Signature" class="">Is it at all possible, if i could force platformio to use the correct the idf-esp libraries, to compile the OVMS code in a more recent environment that uses cmake and ninja?</div><div id="Signature" class=""><br class=""></div><div id="Signature" class=""><br class=""></div><div id="Signature" class=""><br class=""></div><div id="Signature" class="">Thanks,</div><div id="Signature" class="">Eddy<br class=""><br class=""></div></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">OvmsDev mailing list</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><a href="mailto:OvmsDev@lists.openvehicles.com" style="font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">OvmsDev@lists.openvehicles.com</a><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><a href="http://lists.openvehicles.com/mailman/listinfo/ovmsdev" style="font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">http://lists.openvehicles.com/mailman/listinfo/ovmsdev</a></div></blockquote></div><br class=""></div></body></html>