static void send_fragment(struct igorplug *ir, struct lirc_buffer *buf,
int i, int max)
{
/* MODE2: pulse/space (PULSE_BIT) in 1us units */
while (i < max) {
/* 1 Igor-tick = 85.333333 us */
lirc_t code = (unsigned int)ir->buf_in[i] * 85 +
(unsigned int)ir->buf_in[i] / 3;
ir->last_time.tv_usec += code;
if (ir->in_space)
code |= PULSE_BIT;
lirc_buffer_write_n(buf, (unsigned char *)&code, 1);
/* 1 chunk = CODE_LENGTH bytes */
ir->in_space ^= 1;
++i;
}
}
static int cmdir_convert_RX(unsigned char *orig_rxbuffer)
{
unsigned char tmp_char_buffer[80];
unsigned int tmp_int_buffer[20];
unsigned int final_data_buffer[20];
unsigned int num_data_values = 0;
unsigned char num_data_bytes = 0;
unsigned int orig_index = 0;
int i;
for (i = 0; i < 80; i++)
tmp_char_buffer[i] = 0;
for (i = 0; i < 20; i++)
tmp_int_buffer[i] = 0;
/*
* get number of data bytes that follow the control bytes
* (NOT including them)
*/
num_data_bytes = orig_rxbuffer[1];
/* check if num_bytes is multiple of 3; if not, error */
if (num_data_bytes % 3 > 0)
return -1;
if (num_data_bytes > 60)
return -3;
if (num_data_bytes < 3)
return -2;
/*
* get number of ints to be returned; num_data_bytes does
* NOT include control bytes
*/
num_data_values = num_data_bytes/3;
for (i = 0; i < num_data_values; i++) {
tmp_char_buffer[i*4] = orig_rxbuffer[(i+1)*3];
tmp_char_buffer[i*4+1] = orig_rxbuffer[(i+1)*3+1];
tmp_char_buffer[i*4+2] = 0;
tmp_char_buffer[i*4+3] = 0;
}
/* convert to int array */
memcpy((unsigned char *)tmp_int_buffer, tmp_char_buffer,
(num_data_values*4));
if (orig_rxbuffer[5] < 255) {
/* space */
final_data_buffer[0] = get_time_value(last_mc_time,
tmp_int_buffer[0],
orig_rxbuffer[5]);
} else { /* is pulse */
final_data_buffer[0] = get_time_value(last_mc_time,
tmp_int_buffer[0],
0);
final_data_buffer[0] |= PULSE_BIT;
}
for (i = 1; i < num_data_values; i++) {
/*
* index of orig_rxbuffer that corresponds to
* overflow/pulse/space
*/
orig_index = (i + 1)*3 + 2;
if (orig_rxbuffer[orig_index] < 255) {
final_data_buffer[i] =
get_time_value(tmp_int_buffer[i - 1],
tmp_int_buffer[i],
orig_rxbuffer[orig_index]);
} else {
final_data_buffer[i] =
get_time_value(tmp_int_buffer[i - 1],
tmp_int_buffer[i],
0);
final_data_buffer[i] |= PULSE_BIT;
}
}
last_mc_time = tmp_int_buffer[num_data_values - 1];
if (lirc_buffer_full(&rbuf)) {
printk(KERN_ERR LIRC_DRIVER_NAME ": lirc_buffer is full\n");
return -EOVERFLOW;
}
lirc_buffer_write_n(&rbuf, (char *)final_data_buffer, num_data_values);
return 0;
}
