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annotate src/g23m-aci/uart/uart_dtxp.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_dtxp.c
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18 +-----------------------------------------------------------------------------
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19 */
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21 #ifndef UART_DTXP_H
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22 #define UART_DTXP_H
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24 #ifdef DTILIB
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25 EXTERN void sig_dti_dtx_tx_buffer_ready_ind(void);
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26 EXTERN void sig_dti_dtx_tx_buffer_full_ind(void);
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28 #else /* DTILIB */
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29 EXTERN void dtx_dti_getdata_req ( T_DTI_GETDATA_REQ *dti_getdata_req );
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31 #ifdef _SIMULATION_
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32 EXTERN void dtx_psend_dti_data_test_ind ( T_DTI_DATA_IND *dti_data_ind );
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33 #endif /* _SIMULATION_ */
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34 #endif /* DTILIB */
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36 #endif /* !UART_DTXP_H */
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