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annotate components/osx @ 261:841a848ba762

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SPI SWE: clear any pending boot-time interrupts in spi_init() Charger plug/unplug hw logic in the Iota ABB has no built-in debouncing, thus electrical contact bounce on the charging power connection interface produces a lot of charger plug/unplug interrupts. When we boot in charging mode (charging power present at boot time and is presumably the cause of Switch-ON), some bounce may occur between the initial Iota Switch-ON action and Calypso firmware booting. By clearing any accumulated ITSTATREG interrupts on boot, we prevent these pre-boot interrupts from generating charger plug/unplug events to FCHG, which would upset smooth from-boot charging.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 14 May 2021 02:49:05 +0000
parents e58a5bb12de4
children
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1 # Building osx.lib from our reconstructed osx.c source
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3 CFLAGS="-mw -x -pw2 -o -me -mt -g -mn"
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5 # Defines
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7 CPPFLAGS="-D_TARGET_ -D_NUCLEUS_"
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9 if [ "$MEMSUPER" != 0 ]
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10 then
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11 CPPFLAGS="$CPPFLAGS -DMEMORY_SUPERVISION"
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12 fi
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14 # Includes
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16 CPPFLAGS="$CPPFLAGS -I$SRC/gpf/frame/cust_os"
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17 CPPFLAGS="$CPPFLAGS -I$SRC/gpf/inc"
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18 CPPFLAGS="$CPPFLAGS -I$SRC/gpf/inc/nuc"
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20 # Source modules
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22 SRCDIR=$SRC/gpf/frame/cust_os
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24 cfile_symlink $SRCDIR/osx.c