FreeCalypso > hg > fc-selenite
view src/cs/services/tty/tty.c @ 148:c47e2dc10134
l1_pwmgr.c & l1_cust.c: sleep logic changes from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Wed, 06 Feb 2019 23:15:04 +0000 |
parents | b6a5e36de839 |
children |
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/****************************************************************************/ /* */ /* File Name: tty.c */ /* */ /* Purpose: This file contains all the functions used to manage the */ /* TTY feature. */ /* */ /* Version 0.1 */ /* */ /* Date Modification */ /* ------------------------------------ */ /* 18 Jan 2003 Create */ /* */ /* Author */ /* Frederic Turgis */ /* */ /* (C) Copyright 2003 by Texas Instruments Incorporated, All Rights Reserved*/ /****************************************************************************/ #ifndef _WINDOWS #include "config/l1sw.cfg" #endif #if (L1_GTT == 1) #include "tty/tty_api.h" #include "tty/tty_i.h" #include "rv/rv_general.h" #include "rvf/rvf_target.h" #include "l1gtt_signa.h" #include "audio/audio_structs_i.h" #include "audio/audio_const_i.h" /* extern variables & prototypes */ extern T_TTY_ENV_CTRL_BLK *tty_env_ctrl_blk_p; extern T_AUDIO_ENV_CTRL_BLK *p_audio_gbl_var; extern void *audio_allocate_l1_message (UINT16 size); extern T_RV_RET audio_send_l1_message (INT16 message_id, void *message); /********************************************************************************/ /* */ /* Function Name: tty_send_status */ /* */ /* Purpose: This function sends the TTY status to the entity. */ /* */ /* Input Parameters: */ /* status, */ /* return path */ /* */ /* Output Parameters: */ /* None. */ /* */ /* Note: */ /* None. */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ void tty_send_status (T_AUDIO_RET status, T_RV_RETURN return_path) { T_AUDIO_TTY_STATUS *p_send_message = NULL; T_RVF_MB_STATUS mb_status = RVF_RED; while (mb_status == RVF_RED) { /* allocate the message buffer */ mb_status = rvf_get_buf (p_audio_gbl_var->mb_external, sizeof (T_AUDIO_TTY_STATUS), (T_RVF_BUFFER **) (&p_send_message)); /* If insufficient resources, then report a memory error and abort. */ /* and wait until more ressource is given */ if (mb_status == RVF_RED) { TTY_SEND_TRACE("TTY: Not Enough Memory (Red!) ",RV_TRACE_LEVEL_ERROR); rvf_delay(RVF_MS_TO_TICKS(1000)); } } /* fill the header of the message */ ((T_AUDIO_TTY_STATUS *)p_send_message)->os_hdr.msg_id = AUDIO_TTY_STATUS_MSG; /* fill the status parameters */ ((T_AUDIO_TTY_STATUS *)p_send_message)->status = status; if (return_path.callback_func == NULL) { /* send the message to the entity */ rvf_send_msg (return_path.addr_id, p_send_message); } else { /* call the callback function */ (*return_path.callback_func)((void *)(p_send_message)); rvf_free_buf((T_RVF_BUFFER *)p_send_message); } } /********************************************************************************/ /* */ /* Function Name: tty_manager */ /* */ /* Purpose: This function is called to manage TTY */ /* */ /* Input Parameters: */ /* message */ /* */ /* Output Parameters: */ /* None. */ /* */ /* Note: */ /* None. */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ void tty_manager (T_RV_HDR *p_message) { /* Declare local variables. */ void *p_send_message; /**************** tty_manager function begins *********************/ switch(tty_env_ctrl_blk_p->state) { case TTY_IDLE: { switch(p_message->msg_id) { case TTY_START_REQ: { /* save the return path */ tty_env_ctrl_blk_p->return_path.callback_func = ((T_TTY_START *)p_message)->return_path.callback_func; tty_env_ctrl_blk_p->return_path.addr_id = ((T_TTY_START *)p_message)->return_path.addr_id; /* allocate the buffer for the message to the L1 */ p_send_message = audio_allocate_l1_message(0); if (p_send_message != NULL) { /* send the start command to the audio L1 */ audio_send_l1_message(MMI_GTT_START_REQ, p_send_message); } /* change state */ tty_env_ctrl_blk_p->state = TTY_WAIT_START_CON; } break; case TTY_STOP_REQ: { TTY_SEND_TRACE("TTY: STOP ERROR EVENT ",RV_TRACE_LEVEL_ERROR); } break; } } /* case TTY_IDLE */ break; case TTY_WAIT_START_CON: { switch(p_message->msg_id) { case MMI_GTT_START_CON: { /* change state */ tty_env_ctrl_blk_p->state = TTY_WAIT_STOP_COMMAND; } break; case TTY_STOP_REQ: { /* change state */ tty_env_ctrl_blk_p->state = TTY_WAIT_START_CON_TO_STOP; } break; } } /* case TTY_WAIT_START_CON */ break; case TTY_WAIT_START_CON_TO_STOP: { switch(p_message->msg_id) { case MMI_GTT_START_CON: { /* send the stop command to the audio L1 */ p_send_message = audio_allocate_l1_message(0); if (p_send_message != NULL) { audio_send_l1_message(MMI_GTT_STOP_REQ, p_send_message); } /* change state */ tty_env_ctrl_blk_p->state = TTY_WAIT_STOP_CON; } break; case TTY_STOP_REQ: { TTY_SEND_TRACE("TTY: STOP ERROR EVENT ",RV_TRACE_LEVEL_ERROR); } break; } } break; case TTY_WAIT_STOP_COMMAND: { switch(p_message->msg_id) { case TTY_STOP_REQ: { /* send the stop command to the audio L1 */ p_send_message = audio_allocate_l1_message(0); if (p_send_message != NULL) { audio_send_l1_message(MMI_GTT_STOP_REQ, p_send_message); } /* change state */ tty_env_ctrl_blk_p->state = TTY_WAIT_STOP_CON; } break; case MMI_GTT_STOP_CON: { tty_send_status (AUDIO_OK, tty_env_ctrl_blk_p->return_path); /* change state */ tty_env_ctrl_blk_p->state = TTY_IDLE; } break; } } /* case TTY_WAIT_STOP_COMMAND */ break; case TTY_WAIT_STOP_CON: { switch(p_message->msg_id) { case MMI_GTT_STOP_CON: { tty_send_status (AUDIO_OK, tty_env_ctrl_blk_p->return_path); /* change state */ tty_env_ctrl_blk_p->state = TTY_IDLE; } break; case TTY_STOP_REQ: { TTY_SEND_TRACE("TTY: STOP ERROR EVENT ",RV_TRACE_LEVEL_ERROR); } break; } } /* case TTY_WAIT_STOP_CON */ break; } /* switch(tty_env_ctrl_blk_p->state) */ } #endif /* L1_GTT */