FreeCalypso > hg > fc-magnetite
view src/g23m-aci/gdd_dio/gdd_dio_drxf.h @ 680:ee3ac8c617cb
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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/* +----------------------------------------------------------------------------- | File : gdd_dio_drxf.h +----------------------------------------------------------------------------- | Copyright 2002 Texas Instruments Berlin, AG | All rights reserved. | | This file is confidential and a trade secret of Texas | Instruments Berlin, AG | The receipt of or possession of this file does not convey | any rights to reproduce or disclose its contents or to | manufacture, use, or sell anything it may describe, in | whole, or in part, without the specific written consent of | Texas Instruments Berlin, AG. +----------------------------------------------------------------------------- | Purpose : Definitions for gdd_dio_drxf.c +----------------------------------------------------------------------------- */ #ifndef GDD_DIO_DRXF_H #define GDD_DIO_DRXF_H /* +------------------------------------------------------------------------------ | Function : gdd_dio_rx_send_buffer +------------------------------------------------------------------------------ | Description : Signal handler for GDD_DIO_SIGNAL_RECEIVE_DATA | This function tries to send a buffer to the client of GDD_DIO. | | Parameters : con_handle - connection handle | buf - buffer +------------------------------------------------------------------------------ */ EXTERN void gdd_dio_drx_sig_receive_data(T_GDD_CON_HANDLE con_handle, T_dio_buffer * buf); /* +------------------------------------------------------------------------------ | Function : gdd_dio_drx_ready_to_rcv +------------------------------------------------------------------------------ | Description : Called when the client is signalling that she is ready to receive. | | Parameters : con_handle - connection handle +------------------------------------------------------------------------------ */ EXTERN void gdd_dio_drx_ready_to_rcv(T_GDD_CON_HANDLE con_handle); #endif /* !GDD_DIO_DRXF_H */