annotate components/rtc_drv @ 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 e184e00fdb56
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
48
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 # Building rtc_drv.lib
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 CFLAGS="-mn -mt -me -pw2"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 CPPFLAGS="-DTOOL_CHOICE=0 -D_TMS470"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 # Includes
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_app"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 CPPFLAGS="$CPPFLAGS -I$SRC/cs/os/nucleus"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 CPPFLAGS="$CPPFLAGS -I.."
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 CPPFLAGS="$CPPFLAGS -I../config"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 CPPFLAGS="$CPPFLAGS -I$SRC/$GPF/inc"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 CPPFLAGS="$CPPFLAGS -I$SRC/$GPF/frame/cust_os"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 CPPFLAGS="$CPPFLAGS -I$SRC/cs/system"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 CPPFLAGS="$CPPFLAGS -I$SRC/cs/riviera"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 CPPFLAGS="$CPPFLAGS -I$SRC/cs/riviera/rv"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/abb"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/armio"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/clkm"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/conf"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/dma"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/dsp_dwnld"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/inth"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/memif"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/rhea"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/security"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/spi"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/timer"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/uart"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 CPPFLAGS="$CPPFLAGS -I$SRC/cs/drivers/drv_core/ulpd"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 CPPFLAGS="$CPPFLAGS -I$SRC/cs/services"
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 # Source modules
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 SRCDIR=$SRC/cs/drivers/drv_app/rtc
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 cfile_plain $SRCDIR/rtc_process.c
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 cfile_plain $SRCDIR/rtc_env.c
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 cfile_plain $SRCDIR/rtc_task.c
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 cfile_plain $SRCDIR/rtc_handle_message.c
e184e00fdb56 rtc_drv.lib done
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 cfile_plain $SRCDIR/board/rtc_functions.c