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--- guides:virtual_modem:section_4:changing_the_serial_port [2018-09-23 01:50]
omolini [Update vmodem.sh script]
+++ guides:virtual_modem:section_4:changing_the_serial_port [2019-08-22 18:24] (current)
omolini [Finding out the name of the serial device]
@@ Line 12: / Line 12: @@
   * If you do not see a new serial device, the device may not be compatible with Linux. Run ''**dmesg**'' to see if it is detected. In my case it is detected, and is named **ttyUSB0**:
 {{ :guides:pics:vmodem_raspberry_serial_dmesg.png |}}
+//Ignore the under-voltage error on my screenshot. You shouldn't be getting that error.//
 ===== Update vmodem.sh script =====
-  * To update the **vmodem.sh** script stored in **/boot/vmodem/**, do the following:
+  * To change the serial port used in the **vmodem.sh** script, do the following:
   * Run ''sudo nano /boot/vmodem/vmodem.sh''
   * Find the line ''serport=ttyUSB0'' and update it to reflect the correct serial device.
     * For example, if your USB device is called "/dev/ttyAMA0", then make sure the line says ''serport=ttyAMA0''.
-  * Save by pressing CTRL + o, then ENTER to save under the same name.
+  * Save file by pressing **CTRL + o**, then ENTER to save under the same name.
-  * Exit editor with CTRL + x.
+  * Exit editor with **CTRL + x**.
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