FreeCalypso > hg > fc-tourmaline
view src/cs/services/tty/tty_api.c @ 16:84160e9a0383
scripts/src-version.sh: import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 16 Oct 2020 07:23:41 +0000 |
parents | 4e78acac3d88 |
children |
line wrap: on
line source
/** * @file tut_api.c * * API for TTY SWE. * * @author Frederic Turgis (f-turgis@ti.com) & Gerard Cauvy (g-cauvy@ti.com) * @version 0.1 */ /* * History: * * Date Modification * ------------------------------------ * 01/27/2003 Create * * (C) Copyright 2003 by Texas Instruments Incorporated, All Rights Reserved */ #ifndef _WINDOWS #include "config/l1sw.cfg" #endif #include "tty/tty_i.h" #include "tty/tty_api.h" #include "audio/audio_structs_i.h" #include "audio/audio_const_i.h" /* External declaration */ extern T_AUDIO_ENV_CTRL_BLK* p_audio_gbl_var; /********************************************************************************/ /* */ /* Function Name: audio_tty_set_config */ /* */ /* Purpose: This function is called to configure TTY. Currently, only */ /* supports start and stop */ /* */ /* Input Parameters: */ /* TTY configuration */ /* Return path. */ /* */ /* Output Parameters: */ /* Validation of the parameters. */ /* */ /* Note: */ /* None. */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ T_AUDIO_RET audio_tty_set_config (T_AUDIO_TTY_CONFIG_PARAMETER *parameter, T_RV_RETURN *return_path) { #if (L1_GTT == 1) /* Declare local variables. */ T_RVF_MB_STATUS mb_status = RVF_GREEN; T_RV_HDR *p_msg = NULL; /************************ audio_tty_set_config function begins ******************/ if (p_audio_gbl_var == NULL ) { TTY_SEND_TRACE("TTY: Error Audio SWE not started ",RV_TRACE_LEVEL_ERROR); return(AUDIO_ERROR); } /* If bad parameters, then report an error and abort.*/ if ( (parameter->Mode != TTY_STOP)&& (parameter->Mode != TTY_EXT_START)) { TTY_SEND_TRACE("TTY: Error bad parameters ",RV_TRACE_LEVEL_ERROR); return (AUDIO_ERROR); } switch (parameter->Mode) { case TTY_EXT_START: { /* allocate the memory for the message to send */ mb_status = rvf_get_buf (p_audio_gbl_var->mb_external, sizeof (T_TTY_START), (T_RVF_BUFFER **) (&p_msg)); } break; case TTY_STOP: { /* allocate the memory for the message to send */ mb_status = rvf_get_buf (p_audio_gbl_var->mb_external, sizeof (T_TTY_STOP), (T_RVF_BUFFER **) (&p_msg)); } break; } /* If insufficient resources, then report a memory error and abort. */ if (mb_status == RVF_YELLOW) { /* deallocate the memory */ rvf_free_buf((T_RVF_BUFFER *)p_msg); TTY_SEND_TRACE("TTY: Not Enough Memory (Yellow!) ",RV_TRACE_LEVEL_ERROR); return (AUDIO_ERROR); } else if (mb_status == RVF_RED) { TTY_SEND_TRACE("TTY: Not Enough Memory (Red!) ",RV_TRACE_LEVEL_ERROR); return (AUDIO_ERROR); } /* fill the message id + parameters */ switch (parameter->Mode) { case TTY_EXT_START: p_msg->msg_id = TTY_START_REQ; if (return_path->callback_func == NULL) { ((T_TTY_START *)p_msg)->return_path.addr_id = return_path->addr_id; ((T_TTY_START *)p_msg)->return_path.callback_func = NULL; } else { ((T_TTY_START *)p_msg)->return_path.callback_func = return_path->callback_func; } break; case TTY_STOP: p_msg->msg_id = TTY_STOP_REQ; break; } /* fill the address source id */ p_msg->src_addr_id = rvf_get_taskid(); p_msg->dest_addr_id = p_audio_gbl_var->addrId; /* send the messsage to the audio entity */ rvf_send_msg (p_audio_gbl_var->addrId, p_msg); return (AUDIO_OK); #else // L1_GTT TTY_SEND_TRACE("TTY API not available ", RV_TRACE_LEVEL_ERROR); return (AUDIO_ERROR); #endif }