FreeCalypso > hg > fc-magnetite
diff src/cs/services/tty/tty.c @ 0:945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
binary blobs and LCD demo files have been excluded,
all line endings are LF only
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 25 Sep 2016 22:50:11 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cs/services/tty/tty.c Sun Sep 25 22:50:11 2016 +0000 @@ -0,0 +1,259 @@ +/****************************************************************************/ +/* */ +/* 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 */