FreeCalypso > hg > fc-tourmaline

annotate src/g23m-aci/uart/uart_dtxf.h @ 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 fa8dc04885d8
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project :
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4 | Modul :
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : Definitions for uart_dtxf.c
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18 +-----------------------------------------------------------------------------
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19 */
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21 #ifndef UART_DTXF_H
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22 #define UART_DTXF_H
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25 EXTERN T_ESD_STATE dtx_get_esd_state(void);
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27 EXTERN void dtx_set_esd_state( T_ESD_STATE new_esd_state );
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29 EXTERN void dtx_init (void);
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31 EXTERN void dtx_free_resources (void);
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33 EXTERN void dtx_exit (void);
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35 EXTERN void dtx_allocate_resources (void);
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37 EXTERN void dtx_calculate_size_multiplier (T_desc2* desc_to_send,
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38 T_DATA_FLOW_STATE data_flow);
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40 #ifndef DTILIB
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41 EXTERN UBYTE dtx_get_channel_id(void);
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42 #endif /* !DTILIB */
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44 #endif /* !UART_DTXF_H */
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