Beispiel #1
0
static ssize_t softsynth_read(struct file *fp, char *buf, size_t count,
			      loff_t *pos)
{
	int chars_sent = 0;
	char *cp;
	char *init;
	char ch;
	int empty;
	unsigned long flags;
	DEFINE_WAIT(wait);

	spk_lock(flags);
	while (1) {
		prepare_to_wait(&speakup_event, &wait, TASK_INTERRUPTIBLE);
		if (!synth_buffer_empty() || speakup_info.flushing)
			break;
		spk_unlock(flags);
		if (fp->f_flags & O_NONBLOCK) {
			finish_wait(&speakup_event, &wait);
			return -EAGAIN;
		}
		if (signal_pending(current)) {
			finish_wait(&speakup_event, &wait);
			return -ERESTARTSYS;
		}
		schedule();
		spk_lock(flags);
	}
	finish_wait(&speakup_event, &wait);

	cp = buf;
	init = get_initstring();
	while (chars_sent < count) {
		if (speakup_info.flushing) {
			speakup_info.flushing = 0;
			ch = '\x18';
		} else if (synth_buffer_empty()) {
			break;
		} else if (init[init_pos]) {
			ch = init[init_pos++];
		} else {
			ch = synth_buffer_getc();
		}
		spk_unlock(flags);
		if (copy_to_user(cp, &ch, 1))
			return -EFAULT;
		spk_lock(flags);
		chars_sent++;
		cp++;
	}
	*pos += chars_sent;
	empty = synth_buffer_empty();
	spk_unlock(flags);
	if (empty) {
		speakup_start_ttys();
		*pos = 0;
	}
	return chars_sent;
}
Beispiel #2
0
static void do_catch_up(struct spk_synth *synth)
{
	u_char ch;
	unsigned long flags;
	unsigned long jiff_max;
	struct var_t *jiffy_delta;
	struct var_t *delay_time;
	int jiffy_delta_val;
	int delay_time_val;

	jiffy_delta = get_var(JIFFY);
	delay_time = get_var(DELAY);
	spk_lock(flags);
	jiffy_delta_val = jiffy_delta->u.n.value;
	spk_unlock(flags);
	jiff_max = jiffies + jiffy_delta_val;
	while (!kthread_should_stop()) {
		spk_lock(flags);
		if (speakup_info.flushing) {
			speakup_info.flushing = 0;
			spk_unlock(flags);
			synth->flush(synth);
			continue;
		}
		if (synth_buffer_empty()) {
			spk_unlock(flags);
			break;
		}
		set_current_state(TASK_INTERRUPTIBLE);
		delay_time_val = delay_time->u.n.value;
		spk_unlock(flags);
		if (synth_full()) {
			schedule_timeout(msecs_to_jiffies(delay_time_val));
			continue;
		}
		set_current_state(TASK_RUNNING);
		spk_lock(flags);
		ch = synth_buffer_getc();
		spk_unlock(flags);
		if (ch == '\n')
			ch = PROCSPEECH;
		spk_out(ch);
		if ((jiffies >= jiff_max) && (ch == SPACE)) {
			spk_out(PROCSPEECH);
			spk_lock(flags);
			delay_time_val = delay_time->u.n.value;
			jiffy_delta_val = jiffy_delta->u.n.value;
			spk_unlock(flags);
			schedule_timeout(msecs_to_jiffies(delay_time_val));
			jiff_max = jiffies + jiffy_delta_val;
		}
	}
	spk_out(PROCSPEECH);
}
Beispiel #3
0
/*
 * This is called when a user reads the keymap parameter.
 */
static ssize_t keymap_show(struct kobject *kobj, struct kobj_attribute *attr,
	char *buf)
{
	char *cp = buf;
	int i;
	int n;
	int num_keys;
	int nstates;
	u_char *cp1;
	u_char ch;
	unsigned long flags;
	spk_lock(flags);
	cp1 = key_buf + SHIFT_TBL_SIZE;
	num_keys = (int)(*cp1);
	nstates = (int)cp1[1];
	cp += sprintf(cp, "%d, %d, %d,\n", KEY_MAP_VER, num_keys, nstates);
	cp1 += 2; /* now pointing at shift states */
	/* dump num_keys+1 as first row is shift states + flags,
	 * each subsequent row is key + states */
	for (n = 0; n <= num_keys; n++) {
		for (i = 0; i <= nstates; i++) {
			ch = *cp1++;
			cp += sprintf(cp, "%d,", (int)ch);
			*cp++ = (i < nstates) ? SPACE : '\n';
		}
	}
	cp += sprintf(cp, "0, %d\n", KEY_MAP_VER);
	spk_unlock(flags);
	return (int)(cp-buf);
}
Beispiel #4
0
/*
 * This is called when a user changes the value of the silent parameter.
 */
static ssize_t silent_store(struct kobject *kobj, struct kobj_attribute *attr,
	const char *buf, size_t count)
{
	int len;
	struct vc_data *vc = vc_cons[fg_console].d;
	char ch = 0;
	char shut;
	unsigned long flags;

	len = strlen(buf);
	if (len > 0 && len < 3) {
		ch = buf[0];
		if (ch == '\n')
			ch = '0';
	}
	if (ch < '0' || ch > '7') {
		pr_warn("silent value '%c' not in range (0,7)\n", ch);
		return -EINVAL;
	}
	spk_lock(flags);
	if (ch&2) {
		shut = 1;
		do_flush();
	} else {
		shut = 0;
	}
	if (ch&4)
		shut |= 0x40;
	if (ch&1)
		spk_shut_up |= shut;
	else
		spk_shut_up &= ~shut;
	spk_unlock(flags);
	return count;
}
static int softsynth_close(struct inode *inode, struct file *fp)
{
	unsigned long flags;
	spk_lock(flags);
	synth_soft.alive = 0;
	initialized = 0;
	spk_unlock(flags);
	/*                                                 */
	speakup_start_ttys();
	return 0;
}
Beispiel #6
0
static int softsynth_close(struct inode *inode, struct file *fp)
{
	unsigned long flags;
	spk_lock(flags);
	synth_soft.alive = 0;
	init_pos = 0;
	spk_unlock(flags);
	/* Make sure we let applications go before leaving */
	speakup_start_ttys();
	return 0;
}
Beispiel #7
0
/*
 * This is called when a user changes the keymap parameter.
 */
static ssize_t keymap_store(struct kobject *kobj, struct kobj_attribute *attr,
	const char *buf, size_t count)
{
	int i;
	ssize_t ret = count;
	char *in_buff = NULL;
	char *cp;
	u_char *cp1;
	unsigned long flags;

	spk_lock(flags);
<<<<<<< HEAD
Beispiel #8
0
static ssize_t message_show(struct kobject *kobj,
	struct kobj_attribute *attr, char *buf)
{
	ssize_t retval = 0;
	struct msg_group_t *group = find_msg_group(attr->attr.name);
	unsigned long flags;

	BUG_ON(!group);
	spk_lock(flags);
	retval = message_show_helper(buf, group->start, group->end);
	spk_unlock(flags);
	return retval;
}
static unsigned int softsynth_poll(struct file *fp,
		struct poll_table_struct *wait)
{
	unsigned long flags;
	int ret = 0;
	poll_wait(fp, &speakup_event, wait);

	spk_lock(flags);
	if (!synth_buffer_empty() || speakup_info.flushing)
		ret = POLLIN | POLLRDNORM;
	spk_unlock(flags);
	return ret;
}
static irqreturn_t synth_readbuf_handler(int irq, void *dev_id)
{
	unsigned long flags;
	int c;
	spk_lock(flags);
	while (inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR) {

		c = inb_p(speakup_info.port_tts+UART_RX);
		synth->read_buff_add((u_char) c);
	}
	spk_unlock(flags);
	return IRQ_HANDLED;
}
Beispiel #11
0
/*
 * This function is called when a user reads one of the variable parameters.
 */
ssize_t spk_var_show(struct kobject *kobj, struct kobj_attribute *attr,
	char *buf)
{
	int rv = 0;
	struct st_var_header *param;
	struct var_t *var;
		char *cp1;
	char *cp;
	char ch;
	unsigned long flags;

	param = var_header_by_name(attr->attr.name);
	if (param == NULL)
		return -EINVAL;

	spk_lock(flags);
	var = (struct var_t *) param->data;
	switch (param->var_type) {
	case VAR_NUM:
	case VAR_TIME:
		if (var)
			rv = sprintf(buf, "%i\n", var->u.n.value);
		else
			rv = sprintf(buf, "0\n");
		break;
	case VAR_STRING:
		if (var) {
			cp1 = buf;
			*cp1++ = '"';
			for (cp = (char *)param->p_val; (ch = *cp); cp++) {
				if (ch >= ' ' && ch < '~')
					*cp1++ = ch;
				else
					cp1 += sprintf(cp1, "\\""x%02x", ch);
			}
			*cp1++ = '"';
			*cp1++ = '\n';
			*cp1 = '\0';
			rv = cp1-buf;
		} else {
			rv = sprintf(buf, "\"\"\n");
		}
		break;
	default:
		rv = sprintf(buf, "Bad parameter  %s, type %i\n",
			param->name, param->var_type);
		break;
	}
	spk_unlock(flags);
	return rv;
}
static int softsynth_open(struct inode *inode, struct file *fp)
{
	unsigned long flags;
	/*                                           */
	/*                */
	spk_lock(flags);
	if (synth_soft.alive) {
		spk_unlock(flags);
		return -EBUSY;
	}
	synth_soft.alive = 1;
	spk_unlock(flags);
	return 0;
}
Beispiel #13
0
static int softsynth_open(struct inode *inode, struct file *fp)
{
	unsigned long flags;
	/*if ((fp->f_flags & O_ACCMODE) != O_RDONLY) */
	/*	return -EPERM; */
	spk_lock(flags);
	if (synth_soft.alive) {
		spk_unlock(flags);
		return -EBUSY;
	}
	synth_soft.alive = 1;
	spk_unlock(flags);
	return 0;
}
Beispiel #14
0
int speakup_thread(void *data)
{
	unsigned long flags;
	int should_break;
	struct bleep our_sound;

	our_sound.active = 0;
	our_sound.freq = 0;
	our_sound.jiffies = 0;

	mutex_lock(&spk_mutex);
	while (1) {
		DEFINE_WAIT(wait);
		while (1) {
			spk_lock(flags);
			our_sound = unprocessed_sound;
			unprocessed_sound.active = 0;
			prepare_to_wait(&speakup_event, &wait,
				TASK_INTERRUPTIBLE);
			should_break = kthread_should_stop() ||
				our_sound.active ||
				(synth && synth->catch_up && synth->alive &&
					(speakup_info.flushing ||
					!synth_buffer_empty()));
			spk_unlock(flags);
			if (should_break)
				break;
			mutex_unlock(&spk_mutex);
			schedule();
			mutex_lock(&spk_mutex);
		}
		finish_wait(&speakup_event, &wait);
		if (kthread_should_stop())
			break;

		if (our_sound.active)
			kd_mksound(our_sound.freq, our_sound.jiffies);
		if (synth && synth->catch_up && synth->alive) {
			/* It is up to the callee to take the lock, so that it
			 * can sleep whenever it likes */
			synth->catch_up(synth);
		}

		speakup_start_ttys();
	}
	mutex_unlock(&spk_mutex);
	return 0;
}
Beispiel #15
0
/*
 * This is called when a user reads the characters or chartab sys file.
 */
static ssize_t chars_chartab_show(struct kobject *kobj,
	struct kobj_attribute *attr, char *buf)
{
	int i;
	int len = 0;
	char *cp;
	char *buf_pointer = buf;
	size_t bufsize = PAGE_SIZE;
	unsigned long flags;

	spk_lock(flags);
	*buf_pointer = '\0';
	for (i = 0; i < 256; i++) {
		if (bufsize <= 1)
			break;
		if (strcmp("characters", attr->attr.name) == 0) {
			len = scnprintf(buf_pointer, bufsize, "%d\t%s\n",
					i, characters[i]);
		} else {	/* show chartab entry */
			if (IS_TYPE(i, B_CTL))
				cp = "B_CTL";
			else if (IS_TYPE(i, WDLM))
				cp = "WDLM";
			else if (IS_TYPE(i, A_PUNC))
				cp = "A_PUNC";
			else if (IS_TYPE(i, PUNC))
				cp = "PUNC";
			else if (IS_TYPE(i, NUM))
				cp = "NUM";
			else if (IS_TYPE(i, A_CAP))
				cp = "A_CAP";
			else if (IS_TYPE(i, ALPHA))
				cp = "ALPHA";
			else if (IS_TYPE(i, B_CAPSYM))
				cp = "B_CAPSYM";
			else if (IS_TYPE(i, B_SYM))
				cp = "B_SYM";
			else
				cp = "0";
			len =
			    scnprintf(buf_pointer, bufsize, "%d\t%s\n", i, cp);
		}
		bufsize -= len;
		buf_pointer += len;
	}
	spk_unlock(flags);
	return buf_pointer - buf;
}
Beispiel #16
0
static irqreturn_t synth_readbuf_handler(int irq, void *dev_id)
{
	unsigned long flags;
/*printk(KERN_ERR "in irq\n"); */
/*pr_warn("in IRQ\n"); */
	int c;
	spk_lock(flags);
	while (inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR) {

		c = inb_p(speakup_info.port_tts+UART_RX);
		synth->read_buff_add((u_char) c);
/*printk(KERN_ERR "c = %d\n", c); */
/*pr_warn("C = %d\n", c); */
	}
	spk_unlock(flags);
	return IRQ_HANDLED;
}
Beispiel #17
0
/*
 * This is called when a user changes the punctuation settings.
 */
static ssize_t punc_store(struct kobject *kobj, struct kobj_attribute *attr,
			 const char *buf, size_t count)
{
	int x;
	struct st_var_header *p_header;
	struct punc_var_t *var;
	char punc_buf[100];
	unsigned long flags;

	x = strlen(buf);
	if (x < 1 || x > 99)
		return -EINVAL;

	p_header = var_header_by_name(attr->attr.name);
	if (p_header == NULL) {
		pr_warn("p_header is null, attr->attr.name is %s\n",
			attr->attr.name);
		return -EINVAL;
	}

	var = get_punc_var(p_header->var_id);
	if (var == NULL) {
		pr_warn("var is null, p_header->var_id is %i\n",
				p_header->var_id);
		return -EINVAL;
	}

	strncpy(punc_buf, buf, x);

	while (x && punc_buf[x - 1] == '\n')
		x--;
	punc_buf[x] = '\0';

	spk_lock(flags);

	if (*punc_buf == 'd' || *punc_buf == 'r')
		x = set_mask_bits(0, var->value, 3);
	else
		x = set_mask_bits(punc_buf, var->value, 3);

	spk_unlock(flags);
	return count;
}
Beispiel #18
0
void synth_release(void)
{
	struct var_t *var;
	unsigned long flags;

	if (synth == NULL)
		return;
	spk_lock(flags);
	pr_info("releasing synth %s\n", synth->name);
	synth->alive = 0;
	del_timer(&thread_timer);
	spk_unlock(flags);
	if (synth->attributes.name)
		sysfs_remove_group(speakup_kobj, &(synth->attributes));
	for (var = synth->vars; var->var_id != MAXVARS; var++)
		speakup_unregister_var(var->var_id);
	stop_serial_interrupt();
	synth->release();
	synth = NULL;
}
static ssize_t speakup_file_write(struct file *fp, const char *buffer,
		   size_t nbytes, loff_t *ppos)
{
	size_t count = nbytes;
	const char *ptr = buffer;
	size_t bytes;
	unsigned long flags;
	u_char buf[256];

	if (synth == NULL)
		return -ENODEV;
	while (count > 0) {
		bytes = min(count, sizeof(buf));
		if (copy_from_user(buf, ptr, bytes))
			return -EFAULT;
		count -= bytes;
		ptr += bytes;
		spk_lock(flags);
		synth_write(buf, bytes);
		spk_unlock(flags);
	}
	return (ssize_t) nbytes;
}
Beispiel #20
0
/*
 * This is called when a user reads the punctuation settings.
 */
static ssize_t punc_show(struct kobject *kobj, struct kobj_attribute *attr,
	char *buf)
{
	int i;
	char *cp = buf;
	struct st_var_header *p_header;
	struct punc_var_t *var;
	struct st_bits_data *pb;
	short mask;
	unsigned long flags;

	p_header = var_header_by_name(attr->attr.name);
	if (p_header == NULL) {
		pr_warn("p_header is null, attr->attr.name is %s\n",
			attr->attr.name);
		return -EINVAL;
	}

	var = get_punc_var(p_header->var_id);
	if (var == NULL) {
		pr_warn("var is null, p_header->var_id is %i\n",
				p_header->var_id);
		return -EINVAL;
	}

	spk_lock(flags);
	pb = (struct st_bits_data *) &punc_info[var->value];
	mask = pb->mask;
	for (i = 33; i < 128; i++) {
		if (!(spk_chartab[i]&mask))
			continue;
		*cp++ = (char)i;
	}
	spk_unlock(flags);
	return cp-buf;
}
static void do_catch_up(struct spk_synth *synth)
{
	u_char ch;
	unsigned long flags;
	unsigned long jiff_max;
	int timeout;
	int delay_time_val;
	int jiffy_delta_val;
	int full_time_val;
	struct var_t *delay_time;
	struct var_t *full_time;
	struct var_t *jiffy_delta;

	jiffy_delta = spk_get_var(JIFFY);
	delay_time = spk_get_var(DELAY);
	full_time = spk_get_var(FULL);

	spk_lock(flags);
	jiffy_delta_val = jiffy_delta->u.n.value;
	spk_unlock(flags);

	jiff_max = jiffies + jiffy_delta_val;
	while (!kthread_should_stop()) {
		spk_lock(flags);
		if (speakup_info.flushing) {
			speakup_info.flushing = 0;
			spk_unlock(flags);
			synth->flush(synth);
			continue;
		}
		if (synth_buffer_empty()) {
			spk_unlock(flags);
			break;
		}
		set_current_state(TASK_INTERRUPTIBLE);
		full_time_val = full_time->u.n.value;
		spk_unlock(flags);
		if (synth_full()) {
			schedule_timeout(msecs_to_jiffies(full_time_val));
			continue;
		}
		set_current_state(TASK_RUNNING);
		timeout = SPK_XMITR_TIMEOUT;
		while (synth_writable()) {
			if (!--timeout)
				break;
			udelay(1);
		}
		spk_lock(flags);
		ch = synth_buffer_getc();
		spk_unlock(flags);
		if (ch == '\n')
			ch = PROCSPEECH;
		outb_p(ch, speakup_info.port_tts);
		if (jiffies >= jiff_max && ch == SPACE) {
			timeout = SPK_XMITR_TIMEOUT;
			while (synth_writable()) {
				if (!--timeout)
					break;
				udelay(1);
			}
			outb_p(PROCSPEECH, speakup_info.port_tts);
			spk_lock(flags);
			jiffy_delta_val = jiffy_delta->u.n.value;
			delay_time_val = delay_time->u.n.value;
			spk_unlock(flags);
			schedule_timeout(msecs_to_jiffies(delay_time_val));
			jiff_max = jiffies+jiffy_delta_val;
		}
	}
	timeout = SPK_XMITR_TIMEOUT;
	while (synth_writable()) {
		if (!--timeout)
			break;
		udelay(1);
	}
	outb_p(PROCSPEECH, speakup_info.port_tts);
}
Beispiel #22
0
/*
 * This is called when a user changes the keymap parameter.
 */
static ssize_t keymap_store(struct kobject *kobj, struct kobj_attribute *attr,
	const char *buf, size_t count)
{
	int i;
	ssize_t ret = count;
	char *in_buff = NULL;
	char *cp;
	u_char *cp1;
	unsigned long flags;

	spk_lock(flags);
	in_buff = kmalloc(count + 1, GFP_ATOMIC);
	if (!in_buff) {
		spk_unlock(flags);
		return -ENOMEM;
	}
	memcpy(in_buff, buf, count + 1);
	if (strchr("dDrR", *in_buff)) {
		set_key_info(key_defaults, key_buf);
		pr_info("keymap set to default values\n");
		kfree(in_buff);
		spk_unlock(flags);
		return count;
	}
	if (in_buff[count - 1] == '\n')
		in_buff[count - 1] = '\0';
	cp = in_buff;
	cp1 = (u_char *)in_buff;
	for (i = 0; i < 3; i++) {
		cp = s2uchar(cp, cp1);
		cp1++;
	}
	i = (int)cp1[-2]+1;
	i *= (int)cp1[-1]+1;
	i += 2; /* 0 and last map ver */
	if (cp1[-3] != KEY_MAP_VER || cp1[-1] > 10 ||
			i+SHIFT_TBL_SIZE+4 >= sizeof(key_buf)) {
		pr_warn("i %d %d %d %d\n", i,
				(int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
		kfree(in_buff);
		spk_unlock(flags);
		return -EINVAL;
	}
	while (--i >= 0) {
		cp = s2uchar(cp, cp1);
		cp1++;
		if (!(*cp))
			break;
	}
	if (i != 0 || cp1[-1] != KEY_MAP_VER || cp1[-2] != 0) {
		ret = -EINVAL;
		pr_warn("end %d %d %d %d\n", i,
				(int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
	} else {
		if (set_key_info(in_buff, key_buf)) {
			set_key_info(key_defaults, key_buf);
			ret = -EINVAL;
			pr_warn("set key failed\n");
		}
	}
	kfree(in_buff);
	spk_unlock(flags);
	return ret;
}
Beispiel #23
0
/*
 * This is called when a user changes the characters or chartab parameters.
 */
static ssize_t chars_chartab_store(struct kobject *kobj,
	struct kobj_attribute *attr, const char *buf, size_t count)
{
	char *cp = (char *) buf;
	char *end = cp + count; /* the null at the end of the buffer */
	char *linefeed = NULL;
	char keyword[MAX_DESC_LEN + 1];
	char *outptr = NULL;	/* Will hold keyword or desc. */
	char *temp = NULL;
	char *desc = NULL;
	ssize_t retval = count;
	unsigned long flags;
	unsigned long index = 0;
	int charclass = 0;
	int received = 0;
	int used = 0;
	int rejected = 0;
	int reset = 0;
	int do_characters = !strcmp(attr->attr.name, "characters");
	size_t desc_length = 0;
	int i;

	spk_lock(flags);
	while (cp < end) {

		while ((cp < end) && (*cp == ' ' || *cp == '\t'))
			cp++;

		if (cp == end)
			break;
		if ((*cp == '\n') || strchr("dDrR", *cp)) {
			reset = 1;
			break;
		}
		received++;

		linefeed = strchr(cp, '\n');
		if (!linefeed) {
			rejected++;
			break;
		}

		if (!isdigit(*cp)) {
			rejected++;
			cp = linefeed + 1;
			continue;
		}

		index = simple_strtoul(cp, &temp, 10);
		if (index > 255) {
			rejected++;
			cp = linefeed + 1;
			continue;
		}

		while ((temp < linefeed) && (*temp == ' ' || *temp == '\t'))
			temp++;

		desc_length = linefeed - temp;
		if (desc_length > MAX_DESC_LEN) {
			rejected++;
			cp = linefeed + 1;
			continue;
		}
		if (do_characters) {
			desc = kmalloc(desc_length + 1, GFP_ATOMIC);
			if (!desc) {
				retval = -ENOMEM;
				reset = 1;	/* just reset on error. */
				break;
			}
			outptr = desc;
		} else {
			outptr = keyword;
		}

		for (i = 0; i < desc_length; i++)
			outptr[i] = temp[i];
		outptr[desc_length] = '\0';

		if (do_characters) {
			if (characters[index] != default_chars[index])
				kfree(characters[index]);
			characters[index] = desc;
			used++;
		} else {
			charclass = chartab_get_value(keyword);
			if (charclass == 0) {
				rejected++;
				cp = linefeed + 1;
				continue;
			}
			if (charclass != spk_chartab[index]) {
				spk_chartab[index] = charclass;
				used++;
			}
		}
		cp = linefeed + 1;
	}

	if (reset) {
		if (do_characters)
			reset_default_chars();
		else
			reset_default_chartab();
	}

	spk_unlock(flags);
	report_char_chartab_status(reset, received, used, rejected,
		do_characters);
	return retval;
}
Beispiel #24
0
static void do_catch_up(struct spk_synth *synth)
{
	u_char ch;
	unsigned long flags;
	unsigned long jiff_max;
	struct var_t *jiffy_delta;
	struct var_t *delay_time;
	struct var_t *full_time;
	int full_time_val = 0;
	int delay_time_val = 0;
	int jiffy_delta_val = 0;

	jiffy_delta = get_var(JIFFY);
	delay_time = get_var(DELAY);
	full_time = get_var(FULL);
	spk_lock(flags);
	jiffy_delta_val = jiffy_delta->u.n.value;
	spk_unlock(flags);
	jiff_max = jiffies + jiffy_delta_val;

	while (!kthread_should_stop()) {
		spk_lock(flags);
		jiffy_delta_val = jiffy_delta->u.n.value;
		full_time_val = full_time->u.n.value;
		delay_time_val = delay_time->u.n.value;
		if (speakup_info.flushing) {
			speakup_info.flushing = 0;
			spk_unlock(flags);
			synth->flush(synth);
			continue;
		}
		if (synth_buffer_empty()) {
			spk_unlock(flags);
			break;
		}
		ch = synth_buffer_peek();
		set_current_state(TASK_INTERRUPTIBLE);
		full_time_val = full_time->u.n.value;
		spk_unlock(flags);
		if (!spk_serial_out(ch)) {
			outb(UART_MCR_DTR, speakup_info.port_tts + UART_MCR);
			outb(UART_MCR_DTR | UART_MCR_RTS,
					speakup_info.port_tts + UART_MCR);
			schedule_timeout(msecs_to_jiffies(full_time_val));
			continue;
		}
		if ((jiffies >= jiff_max) && (ch == SPACE)) {
			spk_lock(flags);
			jiffy_delta_val = jiffy_delta->u.n.value;
			full_time_val = full_time->u.n.value;
			delay_time_val = delay_time->u.n.value;
			spk_unlock(flags);
			if (spk_serial_out(synth->procspeech))
				schedule_timeout(msecs_to_jiffies
						 (delay_time_val));
			else
				schedule_timeout(msecs_to_jiffies
						 (full_time_val));
			jiff_max = jiffies + jiffy_delta_val;
		}
		set_current_state(TASK_RUNNING);
		spk_lock(flags);
		synth_buffer_getc();
		spk_unlock(flags);
	}
	spk_serial_out(PROCSPEECH);
}
Beispiel #25
0
static void do_catch_up(struct spk_synth *synth)
{
    u_char ch;
    static u_char last = '\0';
    unsigned long flags;
    unsigned long jiff_max;
    struct var_t *jiffy_delta;
    struct var_t *delay_time;
    int jiffy_delta_val = 0;
    int delay_time_val = 0;

    jiffy_delta = spk_get_var(JIFFY);
    delay_time = spk_get_var(DELAY);

    spk_lock(flags);
    jiffy_delta_val = jiffy_delta->u.n.value;
    spk_unlock(flags);
    jiff_max = jiffies + jiffy_delta_val;

    while (!kthread_should_stop()) {
        spk_lock(flags);
        if (speakup_info.flushing) {
            speakup_info.flushing = 0;
            spk_unlock(flags);
            synth->flush(synth);
            continue;
        }
        if (synth_buffer_empty()) {
            spk_unlock(flags);
            break;
        }
        ch = synth_buffer_peek();
        set_current_state(TASK_INTERRUPTIBLE);
        delay_time_val = delay_time->u.n.value;
        spk_unlock(flags);
        if (ch == '\n')
            ch = 0x0D;
        if (synth_full() || !spk_serial_out(ch)) {
            schedule_timeout(msecs_to_jiffies(delay_time_val));
            continue;
        }
        set_current_state(TASK_RUNNING);
        spk_lock(flags);
        synth_buffer_getc();
        spk_unlock(flags);
        if (ch == '[')
            in_escape = 1;
        else if (ch == ']')
            in_escape = 0;
        else if (ch <= SPACE) {
            if (!in_escape && strchr(",.!?;:", last))
                spk_serial_out(PROCSPEECH);
            if (jiffies >= jiff_max) {
                if (!in_escape)
                    spk_serial_out(PROCSPEECH);
                spk_lock(flags);
                jiffy_delta_val = jiffy_delta->u.n.value;
                delay_time_val = delay_time->u.n.value;
                spk_unlock(flags);
                schedule_timeout(msecs_to_jiffies
                                 (delay_time_val));
                jiff_max = jiffies + jiffy_delta_val;
            }
        }
        last = ch;
    }
    if (!in_escape)
        spk_serial_out(PROCSPEECH);
}
Beispiel #26
0
/*
 * This function is called when a user echos a value to one of the
 * variable parameters.
 */
ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr,
			 const char *buf, size_t count)
{
	struct st_var_header *param;
	int ret;
	int len;
	char *cp;
	struct var_t *var_data;
	int value;
	unsigned long flags;

	param = var_header_by_name(attr->attr.name);
	if (param == NULL)
		return -EINVAL;
	if (param->data == NULL)
		return 0;
	ret = 0;
	cp = xlate((char *) buf);

	spk_lock(flags);
	switch (param->var_type) {
	case VAR_NUM:
	case VAR_TIME:
		if (*cp == 'd' || *cp == 'r' || *cp == '\0')
			len = E_DEFAULT;
		else if (*cp == '+' || *cp == '-')
			len = E_INC;
		else
			len = E_SET;
		speakup_s2i(cp, &value);
		ret = set_num_var(value, param, len);
		if (ret == E_RANGE) {
			var_data = param->data;
			pr_warn("value for %s out of range, expect %d to %d\n",
				attr->attr.name,
				var_data->u.n.low, var_data->u.n.high);
		}
		break;
	case VAR_STRING:
		len = strlen(buf);
		if ((len >= 1) && (buf[len - 1] == '\n'))
			--len;
		if ((len >= 2) && (buf[0] == '"') && (buf[len - 1] == '"')) {
			++buf;
			len -= 2;
		}
		cp = (char *) buf;
		cp[len] = '\0';
		ret = set_string_var(buf, param, len);
		if (ret == E_TOOLONG)
			pr_warn("value too long for %s\n",
					attr->attr.name);
		break;
	default:
		pr_warn("%s unknown type %d\n",
			param->name, (int)param->var_type);
	break;
	}
	/*
	 * If voice was just changed, we might need to reset our default
	 * pitch and volume.
	 */
	if (strcmp(attr->attr.name, "voice") == 0) {
		if (synth && synth->default_pitch) {
			param = var_header_by_name("pitch");
			if (param)  {
				set_num_var(synth->default_pitch[value], param,
					E_NEW_DEFAULT);
				set_num_var(0, param, E_DEFAULT);
			}
		}
		if (synth && synth->default_vol) {
			param = var_header_by_name("vol");
			if (param)  {
				set_num_var(synth->default_vol[value], param,
					E_NEW_DEFAULT);
				set_num_var(0, param, E_DEFAULT);
			}
		}
	}
	spk_unlock(flags);

	if (ret == SET_DEFAULT)
		pr_info("%s reset to default value\n", attr->attr.name);
	return count;
}