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annotate src/g23m-gprs/grlc/grlc_gfff.h @ 680:ee3ac8c617cb

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armio.c: set GPIO2 output high initially On TI-canonical platforms GPIO2 is DCD modem control output. In TI's original code the AI_InitIOConfig() function called from Init_Target() would configure GPIO2 as an output and set the initial output value to low, but then the init code in uartfax.c called from Init_Serial_Flows() would immediately change it to high, corresponding to DCD not asserted. The result is a momentary asserted-state glitch on the DCD output. The present change eliminates this glitch, setting DCD output to not-asserted initially like it should be.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 25 Jun 2020 03:17:43 +0000
parents 219afcfc6250
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GPRS (8441)
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4 | Modul : GRLC
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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 service GFF.
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18 +-----------------------------------------------------------------------------
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19 */
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21 #ifndef GRLC_GFFF_H
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22 #define GRLC_GFFF_H
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27 EXTERN void gff_init ( void );
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29 EXTERN void gff_tbf_init ( void );
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31 EXTERN void gff_send_ctrl_block (ULONG fn_i, UBYTE tn_i, UBYTE * ptr_ctrl_block_i );
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33 EXTERN BOOL gff_analyse_dl_data ( ULONG fn_i, T_dl_data * ptr_dl_data_i );
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35 EXTERN void gff_handle_continious_ta ( void );
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37 EXTERN void gff_clip_rxlev ( UBYTE *clipp, UBYTE *rxlev, UBYTE number );
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39 #endif /* !GRLC_GFFF_H */
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