534
Setup (MD) Button (Line)
© Tibbo Technology Inc.
·
When the device is powered up (exits from a hardware reset) with the button
pressed (line pulled LOW), it boots into the
update mode.
Status LEDs (LED Control Lines)
BASIC/C-programmable devices supplied by Tibbo have several LEDs (or lines to
control externally attached LEDs).
Red and Green status LEDs
Every Tibbo device has two status LEDs — red and green — that are used to
indicate various device modes and states. We refer to these LEDs as "Status green"
(SG) and "Status Red" (SR) LEDs. These LEDs are used:
·
By the
o
During the device boot, after the M/L verifies the integrity of TiOS, these LEDs
may show the "TiOS is not loaded or corrupted" error;
o
When the M/L is in one of the
, these LEDs indicate the update
progress and various update errors.
·
By TiOS:
o
When a Tibbo BASIC/C app is not running, these LEDs show the current state of
the Tibbo BASIC/C app;
o
When a Tibbo BASIC/C app is running, the status LEDs are under the control of
the app (thought the pat. object).
The following table summarizes important LED patterns that you will need to
recognize:
·
During the device boot, after the
verifies the integrity of
TiOS:
Pattern
Description
Meaning
Green and red LEDs blinking in
turns at high speed
TiOS is not loaded or corrupted
·
When the M/L is in one of the
:
Pattern
Description
Meaning
*
*
*
Green LED is
permanently on
The M/L is ready to receive a
file
+
+
+
Green LED is flickering
unevenly
The M/L is receiving a file
+
+
+
Red LED is permanently
on
The
is booting (for the
+
Green and redLEDs
permanently on
The M/L is copying data after
receiving the file via the BLE
interface
+