1
2
3
4
5
6
7
8
9
10
11
12#include <linux/jiffies.h>
13#include <linux/sched.h>
14#include <linux/timer.h>
15#include <linux/kthread.h>
16
17#include "spk_priv.h"
18#include "speakup.h"
19
20#define DRV_VERSION "2.14"
21#define SYNTH_CLEAR 0x03
22#define PROCSPEECH 0x0b
23
24static volatile unsigned char last_char;
25
26static void read_buff_add(u_char ch)
27{
28 last_char = ch;
29}
30
31static inline bool synth_full(void)
32{
33 return last_char == 0x13;
34}
35
36static void do_catch_up(struct spk_synth *synth);
37static void synth_flush(struct spk_synth *synth);
38
39static int in_escape;
40
41static struct var_t vars[] = {
42 { CAPS_START, .u.s = {"[:dv ap 222]" } },
43 { CAPS_STOP, .u.s = {"[:dv ap 100]" } },
44 { RATE, .u.n = {"[:ra %d]", 7, 0, 9, 150, 25, NULL } },
45 { PITCH, .u.n = {"[:dv ap %d]", 100, 0, 100, 0, 0, NULL } },
46 { INFLECTION, .u.n = {"[:dv pr %d] ", 100, 0, 10000, 0, 0, NULL } },
47 { VOL, .u.n = {"[:dv gv %d]", 13, 0, 16, 0, 5, NULL } },
48 { PUNCT, .u.n = {"[:pu %c]", 0, 0, 2, 0, 0, "nsa" } },
49 { VOICE, .u.n = {"[:n%c]", 0, 0, 9, 0, 0, "phfdburwkv" } },
50 { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
51 V_LAST_VAR
52};
53
54
55
56
57static struct kobj_attribute caps_start_attribute =
58 __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
59static struct kobj_attribute caps_stop_attribute =
60 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
61static struct kobj_attribute pitch_attribute =
62 __ATTR(pitch, 0644, spk_var_show, spk_var_store);
63static struct kobj_attribute inflection_attribute =
64 __ATTR(inflection, 0644, spk_var_show, spk_var_store);
65static struct kobj_attribute punct_attribute =
66 __ATTR(punct, 0644, spk_var_show, spk_var_store);
67static struct kobj_attribute rate_attribute =
68 __ATTR(rate, 0644, spk_var_show, spk_var_store);
69static struct kobj_attribute voice_attribute =
70 __ATTR(voice, 0644, spk_var_show, spk_var_store);
71static struct kobj_attribute vol_attribute =
72 __ATTR(vol, 0644, spk_var_show, spk_var_store);
73
74static struct kobj_attribute delay_time_attribute =
75 __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
76static struct kobj_attribute direct_attribute =
77 __ATTR(direct, 0644, spk_var_show, spk_var_store);
78static struct kobj_attribute full_time_attribute =
79 __ATTR(full_time, 0644, spk_var_show, spk_var_store);
80static struct kobj_attribute jiffy_delta_attribute =
81 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
82static struct kobj_attribute trigger_time_attribute =
83 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
84
85
86
87
88
89static struct attribute *synth_attrs[] = {
90 &caps_start_attribute.attr,
91 &caps_stop_attribute.attr,
92 &pitch_attribute.attr,
93 &inflection_attribute.attr,
94 &punct_attribute.attr,
95 &rate_attribute.attr,
96 &voice_attribute.attr,
97 &vol_attribute.attr,
98 &delay_time_attribute.attr,
99 &direct_attribute.attr,
100 &full_time_attribute.attr,
101 &jiffy_delta_attribute.attr,
102 &trigger_time_attribute.attr,
103 NULL,
104};
105
106static struct spk_synth synth_decext = {
107 .name = "decext",
108 .version = DRV_VERSION,
109 .long_name = "Dectalk External",
110 .init = "[:pe -380]",
111 .procspeech = PROCSPEECH,
112 .clear = SYNTH_CLEAR,
113 .delay = 500,
114 .trigger = 50,
115 .jiffies = 50,
116 .full = 40000,
117 .flags = SF_DEC,
118 .dev_name = SYNTH_DEFAULT_DEV,
119 .startup = SYNTH_START,
120 .checkval = SYNTH_CHECK,
121 .vars = vars,
122 .io_ops = &spk_ttyio_ops,
123 .probe = spk_ttyio_synth_probe,
124 .release = spk_ttyio_release,
125 .synth_immediate = spk_ttyio_synth_immediate,
126 .catch_up = do_catch_up,
127 .flush = synth_flush,
128 .is_alive = spk_synth_is_alive_restart,
129 .synth_adjust = NULL,
130 .read_buff_add = read_buff_add,
131 .get_index = NULL,
132 .indexing = {
133 .command = NULL,
134 .lowindex = 0,
135 .highindex = 0,
136 .currindex = 0,
137 },
138 .attributes = {
139 .attrs = synth_attrs,
140 .name = "decext",
141 },
142};
143
144static void do_catch_up(struct spk_synth *synth)
145{
146 u_char ch;
147 static u_char last = '\0';
148 unsigned long flags;
149 unsigned long jiff_max;
150 struct var_t *jiffy_delta;
151 struct var_t *delay_time;
152 int jiffy_delta_val = 0;
153 int delay_time_val = 0;
154
155 jiffy_delta = spk_get_var(JIFFY);
156 delay_time = spk_get_var(DELAY);
157
158 spin_lock_irqsave(&speakup_info.spinlock, flags);
159 jiffy_delta_val = jiffy_delta->u.n.value;
160 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
161 jiff_max = jiffies + jiffy_delta_val;
162
163 while (!kthread_should_stop()) {
164 spin_lock_irqsave(&speakup_info.spinlock, flags);
165 if (speakup_info.flushing) {
166 speakup_info.flushing = 0;
167 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
168 synth->flush(synth);
169 continue;
170 }
171 synth_buffer_skip_nonlatin1();
172 if (synth_buffer_empty()) {
173 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
174 break;
175 }
176 ch = synth_buffer_peek();
177 set_current_state(TASK_INTERRUPTIBLE);
178 delay_time_val = delay_time->u.n.value;
179 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
180 if (ch == '\n')
181 ch = 0x0D;
182 if (synth_full() || !synth->io_ops->synth_out(synth, ch)) {
183 schedule_timeout(msecs_to_jiffies(delay_time_val));
184 continue;
185 }
186 set_current_state(TASK_RUNNING);
187 spin_lock_irqsave(&speakup_info.spinlock, flags);
188 synth_buffer_getc();
189 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
190 if (ch == '[') {
191 in_escape = 1;
192 } else if (ch == ']') {
193 in_escape = 0;
194 } else if (ch <= SPACE) {
195 if (!in_escape && strchr(",.!?;:", last))
196 synth->io_ops->synth_out(synth, PROCSPEECH);
197 if (time_after_eq(jiffies, jiff_max)) {
198 if (!in_escape)
199 synth->io_ops->synth_out(synth,
200 PROCSPEECH);
201 spin_lock_irqsave(&speakup_info.spinlock,
202 flags);
203 jiffy_delta_val = jiffy_delta->u.n.value;
204 delay_time_val = delay_time->u.n.value;
205 spin_unlock_irqrestore(&speakup_info.spinlock,
206 flags);
207 schedule_timeout(msecs_to_jiffies
208 (delay_time_val));
209 jiff_max = jiffies + jiffy_delta_val;
210 }
211 }
212 last = ch;
213 }
214 if (!in_escape)
215 synth->io_ops->synth_out(synth, PROCSPEECH);
216}
217
218static void synth_flush(struct spk_synth *synth)
219{
220 in_escape = 0;
221 synth->io_ops->flush_buffer(synth);
222 synth->synth_immediate(synth, "\033P;10z\033\\");
223}
224
225module_param_named(ser, synth_decext.ser, int, 0444);
226module_param_named(dev, synth_decext.dev_name, charp, 0444);
227module_param_named(start, synth_decext.startup, short, 0444);
228
229MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
230MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
231MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
232
233module_spk_synth(synth_decext);
234
235MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
236MODULE_AUTHOR("David Borowski");
237MODULE_DESCRIPTION("Speakup support for DECtalk External synthesizers");
238MODULE_LICENSE("GPL");
239MODULE_VERSION(DRV_VERSION);
240
241
