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annotate src/g23m-aci/uart/uart_drxs.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 53929b40109c
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_drxs.c
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18 +-----------------------------------------------------------------------------
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19 */
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20
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21 #ifndef UART_DRXS_H
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22 #define UART_DRXS_H
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25 EXTERN void sig_ker_drx_ready_mode_req (UBYTE dlc_instance);
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27 EXTERN void sig_ker_drx_dead_mode_req (void);
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29 EXTERN void sig_ker_drx_enable_req (void);
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31 EXTERN void sig_ker_drx_disable_req (void);
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33 EXTERN void sig_tx_drx_sending_req (void);
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35 EXTERN void sig_tx_drx_data_sent_req (T_desc2* rest_data, USHORT pos);
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37 EXTERN void sig_ker_drx_set_dti_peer_req (USHORT tui_peer,
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38 T_HANDLE peer_handle,
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39 UBYTE c_id);
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41 #ifdef DTILIB
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42 EXTERN void sig_ker_drx_set_dtilib_peer_req (void);
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43 #ifdef DTI2
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44 EXTERN void sig_ker_drx_disconnected_mode_req(void);
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45 #endif /* DTI2 */
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46 #endif /* DTILIB */
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48 EXTERN void sig_ker_drx_flush_req (void);
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50 #endif /* !UART_DRXS_H */