annotate components/misc_na7_db_fl @ 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 b257154f1406
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
298
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 # Building misc_na7_db_fl.lib using the GPF source bits we got with TCS211
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 CFLAGS="-mw -x -pw2 -o -me -mt -g -mn"
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 # Defines
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 CPPFLAGS="-D_TARGET_ -D_NUCLEUS_ -DRUN_FLASH"
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 # Includes
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 CPPFLAGS="$CPPFLAGS -I$SRC/gpf2/misc"
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 CPPFLAGS="$CPPFLAGS -I$SRC/$GPF/inc/nuc"
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 CPPFLAGS="$CPPFLAGS -I$SRC/$GPF/inc/nuc/arm7"
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 CPPFLAGS="$CPPFLAGS -I$SRC/$GPF/inc"
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 # Source modules
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 SRCDIR=$SRC/gpf2/misc
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 cfile_plain $SRCDIR/printtofile.c
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 cfile_plain $SRCDIR/tok.c
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 cfile_plain $SRCDIR/tools.c
b257154f1406 components/misc_na7_db_{fl,ir}: compiling, perfect match to original blobs
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 cfile_plain $SRCDIR/misc_version.c