FreeCalypso > hg > fc-tourmaline
view cdg-hybrid/sap/app.pdf @ 261:841a848ba762
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 | 35f7a1dc9f7d |
| children |
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;******************************************************************************** ;*** File : app.pdf ;*** Creation : Wed Mar 11 09:58:43 CST 2009 ;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1 ;*** Copyright : (c) Texas Instruments AG, Berlin Germany 2002 ;******************************************************************************** ;*** Document Type : Service Access Point Specification ;*** Document Name : app ;*** Document No. : NA.NA.00.2005 ;*** Document Date : 2005-05-12 ;*** Document Status: BEING_PROCESSED ;*** Document Author: Liyi ;******************************************************************************** PRAGMA SRC_FILE_TIME "Thu Nov 29 09:30:08 2007" PRAGMA LAST_MODIFIED "2005-05-12" PRAGMA ID_AND_VERSION "NA.NA.00.2005" VAR test_rslt "test result" B VAR additional_info "additional info" L ; APP_BAT_TEST_RSLT 0x8000401E PRIM APP_BAT_TEST_RSLT 0x8000401E { test_rslt ; Primitive Item additional_info ; Primitive Item }