📄 voice_task.lst
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C51 COMPILER V7.06 VOICE_TASK 05/05/2005 12:12:04 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE VOICE_TASK
OBJECT MODULE PLACED IN voice_task.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE modules\voice\voice_task.c OPTIMIZE(7,SPEED) BROWSE INCDIR(.\modules\system
-;.\;.\;.\lib_refd) DEFINE(KEIL) DEBUG OBJECTEXTEND PRINT(.\voice_task.lst) OBJECT(voice_task.obj)
stmt level source
1 /*C**************************************************************************
2 * NAME: voice_task.c
3 *----------------------------------------------------------------------------
4 * Copyright (c) 2003 Atmel.
5 *----------------------------------------------------------------------------
6 * RELEASE: snd1c-refd-nf-4_0_3
7 * REVISION: 1.13
8 *----------------------------------------------------------------------------
9 * PURPOSE:
10 * This file contains the voice task and attached routines
11 *
12 * NOTES:
13 * Global Variables:
14 * - gl_key_press: bit in bdata space
15 * - gl_key: byte in idata space
16 * - voice_buffer: array of bytes in pdata space
17 * - gl_pointer: byte in data space
18 * - gl_wav_header: wave structure in code
19 *****************************************************************************/
20
21 /*_____ I N C L U D E S ____________________________________________________*/
22
23 #include "config.h" /* system configuration */
24 #include "board.h" /* board definition */
25 #include "modules\display\disp.h" /* display definition */
26 #include "modules\file\file.h" /* file definition */
27 #include "lib_mcu\clock\clock.h" /* clock definition */
28 #include "modules\mode\mode_task.h" /* mode task definition */
29 #include "modules\display\disp_task.h" /* display definition */
30 #include "modules\mem\mem_task.h" /* memory task definition */
31 #include "voice_drv.h" /* voice definition */
32 #include "voice_task.h" /* voice task definition */
33 #include "modules\file\wav.h" /* wav file definition */
34
35
36 /*_____ M A C R O S ________________________________________________________*/
37
38
39 /*_____ D E F I N I T I O N ________________________________________________*/
40
41 extern bdata bit gl_key_press; /* TRUE when a key is decoded */
42 extern idata Byte gl_key; /* value of the key pressed */
43 extern bdata bit gl_mem_failure; /* memory hardware failure */
44
45 extern data Byte gl_pointer;
46 extern code wav_struct gl_wav_header;
47
48 static idata Byte voice_state; /* task state */
49
50 xdata Byte voice_buffer[256];
51
52 /*_____ D E C L A R A T I O N ______________________________________________*/
53
54
C51 COMPILER V7.06 VOICE_TASK 05/05/2005 12:12:04 PAGE 2
55 /*F**************************************************************************
56 * NAME: voice_task_init
57 *----------------------------------------------------------------------------
58 * PARAMS:
59 *
60 * return:
61 *----------------------------------------------------------------------------
62 * PURPOSE:
63 * Voice task initialization
64 *----------------------------------------------------------------------------
65 * EXAMPLE:
66 *----------------------------------------------------------------------------
67 * NOTE:
68 *----------------------------------------------------------------------------
69 * REQUIREMENTS:
70 *****************************************************************************/
71 void voice_task_init (void)
72 {
73 1 voice_state = VOICE_START;
74 1 Voc_init_volume(); /* mid-range volume */
75 1 }
76
77
78 /*F**************************************************************************
79 * NAME: voice_task
80 *----------------------------------------------------------------------------
81 * PARAMS:
82 *
83 * return:
84 *----------------------------------------------------------------------------
85 * PURPOSE:
86 * Voice playing / recording task
87 *----------------------------------------------------------------------------
88 * EXAMPLE:
89 *----------------------------------------------------------------------------
90 * NOTE:
91 * STATES:
92 * VOICE_START start task
93 * VOICE_INSTALL voice installation
94 * VOICE_IDLE idle state of this task
95 * VOICE_PLAY_INIT initialisation of audio interface
96 * VOICE_PLAY voice under playing
97 * VOICE_PLAY_PAUSE voice playing halted
98 * VOICE_NEW previous or next song handler
99 * VOICE_PLAY_STOP stop playing
100 * VOICE_NO_MESSAGE file system empty
101 * VOICE_REC_INIT initialisation of A to D converter
102 * VOICE_RECORD voice under recording
103 * VOICE_REC_PAUSE voice recording halted
104 * VOICE_REC_STOP stop recording
105 * VOICE_ERROR error in playing or recording
106 *----------------------------------------------------------------------------
107 * REQUIREMENTS:
108 *****************************************************************************/
109 void voice_task (void)
110 {
111 1 Byte i;
112 1 static Uint32 voc_cpt;
113 1 xdata char * file_name;
114 1 xdata char buff[12];
115 1
116 1 switch (voice_state)
C51 COMPILER V7.06 VOICE_TASK 05/05/2005 12:12:04 PAGE 3
117 1 {
118 2 case VOICE_START:
119 2 {
120 3 print_mode_voice(); /* select voice icon */
121 3 print_state_blank(); /* select blank icon */
122 3 print_screen(VOICE_SCREEN); /* display voice screen */
123 3 print_voice_vol(Voc_get_volume()); /* display volume level */
124 3 voice_state = VOICE_INSTALL;
125 3 break;
126 3 }
127 2
128 2 case VOICE_INSTALL:
129 2 {
130 3 if (mem_status() != MEM_BUSY) /* wait end of memory install */
131 3 {
132 4 if (mem_status() == MEM_READY)
133 4 {
134 5 if (File_entry_root(FILE_WAV) == OK)/* WAV file in root dir? */
135 5 {
136 6 print_file_name(); /* display file name */
137 6 voice_state = VOICE_IDLE;
138 6 }
139 5 else
140 5 { /* no *.wav file in root */
141 6 voice_state = VOICE_NO_MSG;
142 6 }
143 5 }
144 4 else
145 4 { /* disk not formated */
146 5 print_state_error(); /* error icon when not formated */
147 5 if (gl_key_press) /* a key is pressed? */
148 5 {
149 6 switch (gl_key)
150 6 {
151 7 case KEY_MEM:
152 7 mem_select_next(); /* select next memory */
153 7 voice_state = VOICE_START;
154 7 break;
155 7
156 7 case KEY_MODE:
157 7 mode_set_init(); /* exit from song task */
158 7 voice_state = VOICE_START;
159 7 break;
160 7 }
161 6 gl_key_press = FALSE; /* ack key usage */
162 6 }
163 5 else
164 5 { /* check card presence */
165 6 if (mem_check_card() == KO)
166 6 {
167 7 mem_select_next();
168 7 voice_state = VOICE_START; /* card has been unplugged */
169 7 }
170 6 }
171 5 }
172 4 }
173 3 break;
174 3 }
175 2
176 2
177 2 case VOICE_IDLE: /* no file openned */
178 2 {
C51 COMPILER V7.06 VOICE_TASK 05/05/2005 12:12:04 PAGE 4
179 3 if (gl_key_press) /* a key is pressed? */
180 3 {
181 4 switch (gl_key)
182 4 {
183 5 case KEY_PLAY:
184 5 voice_state = VOICE_PLAY_INIT;
185 5 break;
186 5
187 5 case KEY_NEXT:
188 5 file_seek_next(FILE_WAV, TRUE); /* select next message with loop */
189 5 print_file_name(); /* display file name */
190 5 break;
191 5
192 5 case KEY_PREV:
193 5 file_seek_prev(FILE_WAV, TRUE); /* select previous message */
194 5 print_file_name(); /* display file name */
195 5 break;
196 5
197 5 case KEY_REC:
198 5 voice_state = VOICE_REC_INIT;
199 5 break;
200 5
201 5 case KEY_INC:
202 5 voc_inc_volume(); /* increment volume */
203 5 print_voice_vol(Voc_get_volume()); /* display new level */
204 5 break;
205 5
206 5 case KEY_DEC:
207 5 voc_dec_volume(); /* decrement volume */
208 5 print_voice_vol(Voc_get_volume()); /* display new level */
209 5 break;
210 5
211 5 case KEY_MODE:
212 5 mode_set_init(); /* exit from voice task */
213 5 disp_name_stop();
214 5 voice_state = VOICE_START;
215 5 break;
216 5
217 5 case KEY_MEM:
218 5 mem_select_next(); /* select next memory */
219 5 disp_name_stop();
220 5 voice_state = VOICE_START;
221 5 break;
222 5
223 5 default:
224 5 break;
225 5 }
226 4 gl_key_press = FALSE; /* ack key usage */
227 4 }
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