FreeCalypso > hg > fc-tourmaline

annotate bwsplash/Makefile @ 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 4d9f24c501f3
children
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4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
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1 CC= gcc
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 CFLAGS= -O2
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parents:
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4 all: bwsplash.c
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4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
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6 pbm2c: pbm2c.c
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
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7 ${CC} ${CFLAGS} -o $@ $@.c
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8
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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9 bwsplash.c: bwsplash.pbm pbm2c
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
parents:
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10 ./pbm2c bwsplash.pbm $@
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4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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12 clean:
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
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13 rm -f pbm2c bwsplash.c