Debugging the RS485/Raspi [Scratchbook]

This is an old revision of the document!

Warning: Declaration of syntax_plugin_indexmenu_tag::handle($match, $state, $pos, &$handler) should be compatible with DokuWiki_Syntax_Plugin::handle($match, $state, $pos, Doku_Handler $handler) in /home/httpd/vhosts/scratchbook.ch/wiki.scratchbook.ch/lib/plugins/indexmenu/syntax/tag.php on line 43 Warning: Declaration of syntax_plugin_indexmenu_tag::render($mode, &$renderer, $data) should be compatible with DokuWiki_Syntax_Plugin::render($format, Doku_Renderer $renderer, $data) in /home/httpd/vhosts/scratchbook.ch/wiki.scratchbook.ch/lib/plugins/indexmenu/syntax/tag.php on line 51 Warning: preg_match(): Compilation failed: invalid range in character class at offset 3135 in /home/httpd/vhosts/scratchbook.ch/wiki.scratchbook.ch/inc/parser/lexer.php on line 118

A PCRE internal error occured. This might be caused by a faulty plugin

====== Debugging the RS485/Raspi ====== {{::img_20161124_100617.jpg?nolink&800|}} * LED is glowing, "flashing" (getting dark shortly) every second, as the weather station sends data every second {{:img_20161124_100600.jpg?nolink&800|}} * We've connected the logic analyzer after the sferalabs board. Data comes in, all fine. {{::logic-analyzer.png?direct&1200|}} ...and can be decoded. ===== However, ===== When I connect to it, it shows no data. <code>screen /dev/ttyAMA0 19200</code> (baud rate taken from the data sheet) Bluetooth is disabled: <code> $ cat /etc/modprobe.d/raspi-blacklist.conf blacklist btbcm blacklist hci_uart </code>

sfera.1479980013.txt · Last modified: 2016/11/24 10:33 by claude

Back to top