<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en" style='--code-editor-font: var(--default-mono-font, "GitLab Mono"), JetBrains Mono, Menlo, DejaVu Sans Mono, Liberation Mono, Consolas, Ubuntu Mono, Courier New, andale mono, lucida console, monospace;'>
<head>
<meta content="text/html; charset=US-ASCII" http-equiv="Content-Type">
<title>
GitLab
</title>

<style data-premailer="ignore" type="text/css">
a { color: #1068bf; }
</style>

<style>img {
max-width: 100%; height: auto;
}
body {
font-size: .875rem;
}
body {
-webkit-text-shadow: rgba(255,255,255,.01) 0 0 1px;
}
body {
font-family: var(--default-regular-font, "GitLab Sans"),-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans",Ubuntu,Cantarell,"Helvetica Neue",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji"; font-size: inherit;
}
</style>
</head>
<body style='font-size: inherit; -webkit-text-shadow: rgba(255,255,255,.01) 0 0 1px; font-family: var(--default-regular-font, "GitLab Sans"),-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans",Ubuntu,Cantarell,"Helvetica Neue",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";'>
<div class="content">

<p style="color: #777777;">
<a href="https://gitlab.rtems.org/yangn0">Ning Yang</a>
<a href="https://gitlab.rtems.org/groups/rtems/-/epics/6#note_110267">commented</a>:
</p>
<div class="md" style="color: #333238; word-wrap: break-word;">
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">Coding Period Week #12</p>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">Planned:</p>
<ul dir="auto" style="text-align: initial; list-style-type: disc; margin: 0 0 16px; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">SD R/W access support.
<ul style="list-style-type: circle; margin: 0; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">mailbox driver</li>
</ul>
</li>
</ul>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">Completed:</p>
<ol dir="auto" style="text-align: initial; margin: 0 0 16px; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">Improved Watchdog MR. <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/120" data-reference-type="merge_request" data-original="rtems/rtos/rtems!120" data-link="false" data-link-reference="false" data-merge-request="239" data-project="26" data-project-path="rtems/rtos/rtems" data-iid="120" data-container="body" data-placement="top" title="aarch64/raspberrypi: Add Watchdog Timer driver" class="gfm gfm-merge_request" style="margin-top: 0;">rtems/rtos/rtems!120</a>
</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">Improved pl011 MR. <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/47" data-reference-type="merge_request" data-original="rtems/rtos/rtems!47" data-link="false" data-link-reference="false" data-merge-request="74" data-project="26" data-project-path="rtems/rtos/rtems" data-iid="47" data-container="body" data-placement="top" title="dev/serial: Refactor the pl011 driver to be extensible" class="gfm gfm-merge_request" style="margin-top: 0;">rtems/rtos/rtems!47</a>
</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">Imporved SPI MR. <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/103" data-reference-type="merge_request" data-original="rtems/rtos/rtems!103" data-link="false" data-link-reference="false" data-merge-request="195" data-project="26" data-project-path="rtems/rtos/rtems" data-iid="103" data-container="body" data-placement="top" title="aarch64/raspberrypi: Add SPI support" class="gfm gfm-merge_request" style="margin-top: 0;">rtems/rtos/rtems!103</a>
</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">Try running Barusu's mailbox driver.
<a href="https://github.com/UtkarshVerma/rtems-on-rpi4b/blob/main/hardware-info/src/init.c" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">https://github.com/UtkarshVerma/rtems-on-rpi4b/blob/main/hardware-info/src/init.c</a>
read his blog: <a href="https://bitbanged.com/posts/understanding-rpi/the-mailbox/" rel="nofollow noreferrer noopener" target="_blank">https://bitbanged.com/posts/understanding-rpi/the-mailbox/</a>
</li>
</ol>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">Blockers/Problems:</p>
<ul dir="auto" style="text-align: initial; list-style-type: disc; margin: 0 0 16px; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">Barusu said:</li>
</ul>
<div class="gl-relative markdown-code-block js-markdown-code">
<pre class="code highlight js-syntax-highlight language-plaintext" v-pre="true" style='display: block; font-size: 14px; color: #333238; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 16px; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: .25rem; white-space: pre; margin-top: 0; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">Mailbox was a hard nut to crack and I remember that Joel and the others mentioned that the API I developed needed some design improvements, so you'll have to get creative here and have discussions with everyone on the design. </span></code></pre>
<copy-code></copy-code>
</div>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">So, I will try to improve it after I figure out the existing mailbox code.</p>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">Next week plans:</p>
<ul dir="auto" style="text-align: initial; list-style-type: disc; margin: 0; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">SD R/W access support.
<ul style="list-style-type: circle; margin: 0; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">mailbox driver</li>
</ul>
</li>
</ul>
</div>


</div>
<div class="footer" style="margin-top: 10px;">
<p style="font-size: small; color: #737278;">

<br>
<a href="https://gitlab.rtems.org/groups/rtems/-/epics/6#note_110267">View it on GitLab</a>.
<br>
You're receiving this email because of your account on <a target="_blank" rel="noopener noreferrer" href="https://gitlab.rtems.org">gitlab.rtems.org</a>. <a href="https://gitlab.rtems.org/-/sent_notifications/d0f31ec7f5050749fb393e355abe1630/unsubscribe" target="_blank" rel="noopener noreferrer">Unsubscribe</a> from this thread · <a href="https://gitlab.rtems.org/-/profile/notifications" target="_blank" rel="noopener noreferrer" class="mng-notif-link">Manage all notifications</a> · <a href="https://gitlab.rtems.org/help" target="_blank" rel="noopener noreferrer" class="help-link">Help</a>
<script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","action":{"@type":"ViewAction","name":"View Epic","url":"https://gitlab.rtems.org/groups/rtems/-/epics/6#note_110267"}}</script>


</p>
</div>
</body>
</html>