<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
span.StileMessaggioDiPostaElettronica17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 2.0cm 2.0cm 2.0cm;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=IT link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I’m very new to RTEMS.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I think to have successfully built RTEMS to run on the STM32F4.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I’ve tried the LED blinking example (trough timer) contained in the examples folder (here: <a href="https://github.com/RTEMS/examples-v2/tree/master/led">https://github.com/RTEMS/examples-v2/tree/master/led</a>).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have compiled and flashed it on my board and the led blinked, so I think to have a good setup.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I want to go further and I would like to use USART in order to have a console useful for debugging and learning.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I really have no clues on how to use the BSP (at code level) to implement USART or more in general, implementing hardware drivers.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>What should I define? What I need to call? I can imagine that with RTEMS and the BSP I shouldn’t write code at “registers level”. Am I right?<br><br></span><span lang=EN-US style='font-size:12.0pt;color:#212121;background:white'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#212121;background:white'>Can someone provide me a simple example about it? Can you give me some clarification on the argument?</span><span lang=EN-US style='font-size:10.0pt;color:#212121;background:white'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#212121;background:white'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#212121;background:white'>Thanks in advance for your help.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#212121;background:white'>Lorenzo<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>