FreeCalypso > hg > freecalypso-docs

changeset 71:bf7a0c2b2b50

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Tango-pinmux: add programming instructions
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 17 Jul 2021 17:19:00 +0000
parents 3365d51773c5
children 2ac10b2cde4f
files Tango-pinmux
diffstat 1 files changed, 13 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/Tango-pinmux	Sat Jul 17 17:01:39 2021 +0000
+++ b/Tango-pinmux	Sat Jul 17 17:19:00 2021 +0000
@@ -120,6 +120,19 @@
 that is configured as a generic (not built-in function) output can be set with
 AT+IOW.
 
+Programming /etc/tango-pinmux
+=============================
+
+To program the pinmux config file on a Tango module running any of our official
+FreeCalypso firmware versions, you will need to use FC host tools.  Connect to
+the RVTMUX debug trace and control interface (second UART) via rvinterf and
+execute the following command in fc-fsio:
+
+fwrite /etc/tango-pinmux hex "xx xx xx xx"
+
+Replace xx placeholders inside the double quotes with the 4 hex bytes to be
+programmed; the double quotes are required.
+
 Other GPIO pins
 ===============