FreeCalypso > hg > fc-magnetite
annotate src/gpf2/inc/tdc.h @ 629:3231dd9b38c1
armio.c: make GPIOs 8 & 13 outputs driving 1 on all "classic" targets
Calypso GPIOs 8 & 13 are pinmuxed with MCUEN1 & MCUEN2, respectively,
and on powerup these pins are MCUEN, i.e., outputs driving 1. TI's code
for C-Sample and earlier turns them into GPIOs configured as outputs also
driving 1 - so far, so good - but TI's code for BOARD 41 (which covers
D-Sample, Leonardo and all real world Calypso devices derived from the
latter) switches them from MCUEN to GPIOs, but then leaves them as inputs.
Given that the hardware powerup state of these two pins is outputs driving 1,
every Calypso board design MUST be compatible with such driving; typically
these GPIO signals will be either unused and unconnected or connected as
outputs driving some peripheral. Turning these pins into GPIO inputs will
result in floating inputs on every reasonably-wired board, thus I am
convinced that this configuration is nothing but a bug on the part of
whoever wrote this code at TI.
This floating input bug had already been fixed earlier for GTA modem and
FCDEV3B targets; the present change makes the fix unconditional for all
"classic" targets. The newly affected targets are D-Sample, Leonardo,
Tango and GTM900.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 02 Jan 2020 05:38:26 +0000 |
parents | 864b8cc0cf63 |
children |
rev | line source |
---|---|
1
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 +----------------------------------------------------------------------------- |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 | Project : |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 | Modul : TDC |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 +----------------------------------------------------------------------------- |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 | Copyright 2002 Texas Instruments Berlin, AG |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 | All rights reserved. |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 | |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 | This file is confidential and a trade secret of Texas |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 | Instruments Berlin, AG |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 | The receipt of or possession of this file does not convey |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 | any rights to reproduce or disclose its contents or to |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 | manufacture, use, or sell anything it may describe, in |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 | whole, or in part, without the specific written consent of |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 | Texas Instruments Berlin, AG. |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 +----------------------------------------------------------------------------- |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 | Purpose : |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 +----------------------------------------------------------------------------- |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 */ |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 #ifdef TDC_H |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 #error "TDC.H already included, TDC.H must come after all primitives and messages" |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 #endif |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 #include <setjmp.h> |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 //namespace tdc { |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 #include "tdc_prim.h" |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 #ifndef TDC_H |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 #define TDC_H |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 #ifndef TDC_DESCRIPTOR |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 static int tdc_initialized_primitive = T_PRIMITIVE_UNION::call_tdc_initialize_primitive(); |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 static int tdc_initialized_message = T_MESSAGE_UNION::call_tdc_initialize_message(); |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 #endif //TDC_DESCRIPTOR |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 #endif //TDC_H |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 //}//namespace tdc |
864b8cc0cf63
src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 //using namespace tdc; |