summaryrefslogtreecommitdiff
path: root/doc/simcom-modem.txt
diff options
context:
space:
mode:
Diffstat (limited to 'doc/simcom-modem.txt')
-rw-r--r--doc/simcom-modem.txt22
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/simcom-modem.txt b/doc/simcom-modem.txt
new file mode 100644
index 00000000..0a813075
--- /dev/null
+++ b/doc/simcom-modem.txt
@@ -0,0 +1,22 @@
+SIM900 modem usage
+===================
+
+To enable SIM900 module support you need to put the following
+udev rule into appropriate file in /{etc,lib}/udev/rules.d:
+
+KERNEL=="gsmtty3", ENV{OFONO_DRIVER}="sim900"
+
+On the i-Tetra tracking device, the SIM900 is accessed
+via N_GSM mux device. We use ofono as SMS message
+service and incoming voice calls service, so we
+use /dev/gsmtty1 provided by N_GSM mux.
+
+SIM800 modem usage
+==================
+
+When using sim800 modem, the udev rule is the same as the
+sim900 rule :
+
+KERNEL=="ttyS3", ENV{OFONO_DRIVER}="sim900"
+
+Because the SIM800 and SIM900 code are the merged into one driver.