Firmware updates and new config.g entries

Hi,
I'm using an Omerod 1 with 1 extruder.
I've just updated from the official firmware pages. And found that under the usb mode it states that T1 tool isn't selected.
Looking at the config.g files the new one. .078 states;

M563 P1 D0 H1                       ; Define tool 1
G10 P1 S-273 R-273                  ; Set tool 1 operating and standby temperatures

Compared to the old one.

T0 ; Select extruder 0

I know what makes sense.... I'm not even sure what that code means in the new one.
Anyway, if I just added T0; Select extruder 0 will that even work.
I don't especially want to use the web interface.

Anyone know how Tool 1 is supposed to be defined with the new firmware?

In pre-0.78 firmware, the first extruder was called T0. In 0.78 it is normally called T1, and T0 is reserved to mean the empty tool. To enable tool 1, include command T1 in your slic3r start gcode, or send it manually.

If you have gcode files with T0 commands in the start gcode, you will need to edit them to replace T0 by T1 before printing them.

Edited 1 time(s). Last edit at 09/25/2014 08:18AM by dc42.

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

Makes sense. Thanks.

Try to use the same config.g that ships with the firmware ie keep the config.g and firmware concurrent; there are often other changes and updates, to use new firmware features. The best thing to do is keep a copy of your old config.g, and update the new config.g with any specific settings from your old config.g.

A more thorough explanation of the changes that 0.78 brings in is here: [reprappro.com]
Note that the pin the proximity probe uses has changed.

Ian
RepRapPro tech support