/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
*
return SR_ERR;
}
if (stage > devc->num_stages)
- devc->num_stages = stage;
+ devc->num_stages = stage - 1;
}
return SR_OK;
{
struct dev_context *devc;
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+ if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return NULL;
}
+ /* Device-specific settings */
+ devc->max_samples = devc->max_samplerate = devc->protocol_version = 0;
+
+ /* Acquisition settings */
+ devc->limit_samples = devc->capture_ratio = 0;
devc->trigger_at = -1;
devc->probe_mask = 0xffffffff;
- devc->cur_samplerate = SR_KHZ(200);
- devc->serial = NULL;
+ devc->flag_reg = 0;
return devc;
}
SR_PRIV void abort_acquisition(const struct sr_dev_inst *sdi)
{
struct sr_datafeed_packet packet;
- struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
- devc = sdi->priv;
- sr_source_remove(devc->serial->fd);
+ serial = sdi->conn;
+ sr_source_remove(serial->fd);
/* Terminate session */
packet.type = SR_DF_END;
SR_PRIV int ols_receive_data(int fd, int revents, void *cb_data)
{
+ struct drv_context *drvc;
+ struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
struct sr_datafeed_packet packet;
struct sr_datafeed_logic logic;
struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
GSList *l;
+ uint32_t sample;
int num_channels, offset, i, j;
unsigned char byte;
for (l = drvc->instances; l; l = l->next) {
sdi = l->data;
devc = sdi->priv;
- if (devc->serial->fd == fd)
+ serial = sdi->conn;
+ if (serial->fd == fd)
break;
devc = NULL;
}
num_channels++;
}
- if (revents == G_IO_IN) {
- if (serial_read(devc->serial, &byte, 1) != 1)
+ if (revents == G_IO_IN && devc->num_samples < devc->limit_samples) {
+ if (serial_read(serial, &byte, 1) != 1)
return FALSE;
/* Ignore it if we've read enough. */
sr_dbg("Received byte 0x%.2x.", byte);
if (devc->num_bytes == num_channels) {
/* Got a full sample. */
- sr_dbg("Received sample 0x%.*x.",
- devc->num_bytes * 2, *(int *)devc->sample);
+ sample = devc->sample[0] | (devc->sample[1] << 8) \
+ | (devc->sample[2] << 16) | (devc->sample[3] << 24);
+ sr_dbg("Received sample 0x%.*x.", devc->num_bytes * 2, sample);
if (devc->flag_reg & FLAG_RLE) {
/*
* In RLE mode -1 should never come in as a
* FIXME: This will only work on
* little-endian systems.
*/
- devc->rle_count = *(int *)(devc->sample);
+ devc->rle_count = sample;
sr_dbg("RLE count: %d.", devc->rle_count);
devc->num_bytes = 0;
return TRUE;
}
}
memcpy(devc->sample, devc->tmp_sample, 4);
- sr_dbg("Full sample: 0x%.8x.", *(int *)devc->sample);
+ sr_dbg("Full sample: 0x%.8x.", sample);
}
/* the OLS sends its sample buffer backwards.
}
g_free(devc->raw_sample_buf);
- serial_flush(devc->serial);
+ serial_flush(serial);
abort_acquisition(sdi);
- serial_close(devc->serial);
}
return TRUE;