"asix-sigma-phasor.fw", /* Frequency counter */
};
-static void hw_stop_acquisition(int device_index, gpointer session_device_id);
+static void hw_stop_acquisition(int device_index, gpointer session_data);
static int sigma_read(void *buf, size_t size, struct sigma *sigma)
{
fseek(f, 0, SEEK_SET);
if (!(compressed_buf = g_try_malloc(file_size))) {
- sr_err("asix: %s: compressed_buf malloc failed", __func__);
+ sr_err("sigma: %s: compressed_buf malloc failed", __func__);
fclose(f);
return SR_ERR_MALLOC;
}
if (!(firmware = g_try_malloc(buffer_size))) {
- sr_err("asix: %s: firmware malloc failed", __func__);
+ sr_err("sigma: %s: firmware malloc failed", __func__);
fclose(f);
g_free(compressed_buf);
return SR_ERR_MALLOC;
*buf = p = (unsigned char *)g_try_malloc(*buf_size);
if (!p) {
- sr_err("asix: %s: buf/p malloc failed", __func__);
+ sr_err("sigma: %s: buf/p malloc failed", __func__);
g_free(compressed_buf);
g_free(firmware);
return SR_ERR_MALLOC;
struct sigma *sigma;
/* Avoid compiler warnings. */
- deviceinfo = deviceinfo;
+ (void)deviceinfo;
if (!(sigma = g_try_malloc(sizeof(struct sigma)))) {
- sr_err("asix: %s: sigma malloc failed", __func__);
+ sr_err("sigma: %s: sigma malloc failed", __func__);
return 0; /* FIXME: Should be SR_ERR_MALLOC. */
}
goto free;
sigma->cur_samplerate = 0;
+ sigma->period_ps = 0;
sigma->limit_msec = 0;
sigma->cur_firmware = -1;
sigma->num_probes = 0;
}
sigma->cur_samplerate = samplerate;
+ sigma->period_ps = 1000000000000 / samplerate;
sigma->samples_per_event = 16 / sigma->num_probes;
sigma->state.state = SIGMA_IDLE;
return SR_OK;
}
-static void hw_closedev(int device_index)
+static int hw_closedev(int device_index)
{
struct sr_device_instance *sdi;
struct sigma *sigma;
- if ((sdi = sr_get_device_instance(device_instances, device_index)))
- {
- sigma = sdi->priv;
- if (sdi->status == SR_ST_ACTIVE)
- ftdi_usb_close(&sigma->ftdic);
+ if (!(sdi = sr_get_device_instance(device_instances, device_index))) {
+ sr_err("sigma: %s: sdi was NULL", __func__);
+ return SR_ERR; /* TODO: SR_ERR_ARG? */
+ }
- sdi->status = SR_ST_INACTIVE;
+ if (!(sigma = sdi->priv)) {
+ sr_err("sigma: %s: sdi->priv was NULL", __func__);
+ return SR_ERR; /* TODO: SR_ERR_ARG? */
}
+
+ /* TODO */
+ if (sdi->status == SR_ST_ACTIVE)
+ ftdi_usb_close(&sigma->ftdic);
+
+ sdi->status = SR_ST_INACTIVE;
+
+ return SR_OK;
}
static void hw_cleanup(void)
void *info = NULL;
if (!(sdi = sr_get_device_instance(device_instances, device_index))) {
- fprintf(stderr, "It's NULL.\n");
+ sr_err("It's NULL.\n");
return NULL;
}
*/
static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts,
uint16_t *lastsample, int triggerpos,
- uint16_t limit_chunk, void *user_data)
+ uint16_t limit_chunk, void *session_data)
{
- struct sr_device_instance *sdi = user_data;
+ struct sr_device_instance *sdi = session_data;
struct sigma *sigma = sdi->priv;
uint16_t tsdiff, ts;
uint16_t samples[65536 * sigma->samples_per_event];
struct sr_datafeed_packet packet;
+ struct sr_datafeed_logic logic;
int i, j, k, l, numpad, tosend;
size_t n = 0, sent = 0;
int clustersize = EVENTS_PER_CLUSTER * sigma->samples_per_event;
tosend = MIN(2048, n - sent);
packet.type = SR_DF_LOGIC;
- packet.length = tosend * sizeof(uint16_t);
- packet.unitsize = 2;
- packet.payload = samples + sent;
+ /* TODO: fill in timeoffset and duration */
+ packet.timeoffset = 0;
+ packet.duration = 0;
+ packet.payload = &logic;
+ logic.length = tosend * sizeof(uint16_t);
+ logic.unitsize = 2;
+ logic.data = samples + sent;
sr_session_bus(sigma->session_id, &packet);
sent += tosend;
if (tosend > 0) {
packet.type = SR_DF_LOGIC;
- packet.length = tosend * sizeof(uint16_t);
- packet.unitsize = 2;
- packet.payload = samples;
+ /* TODO: fill in timeoffset and duration */
+ packet.timeoffset = 0;
+ packet.duration = 0;
+ packet.payload = &logic;
+ logic.length = tosend * sizeof(uint16_t);
+ logic.unitsize = 2;
+ logic.data = samples;
sr_session_bus(sigma->session_id, &packet);
sent += tosend;
/* Only send trigger if explicitly enabled. */
if (sigma->use_triggers) {
packet.type = SR_DF_TRIGGER;
- packet.length = 0;
- packet.payload = 0;
+ /* TODO: fill in timeoffset only */
+ packet.timeoffset = 0;
+ packet.duration = 0;
sr_session_bus(sigma->session_id, &packet);
}
}
if (tosend > 0) {
packet.type = SR_DF_LOGIC;
- packet.length = tosend * sizeof(uint16_t);
- packet.unitsize = 2;
- packet.payload = samples + sent;
+ /* TODO: fill in timeoffset and duration */
+ packet.timeoffset = 0;
+ packet.duration = 0;
+ packet.payload = &logic;
+ logic.length = tosend * sizeof(uint16_t);
+ logic.unitsize = 2;
+ logic.data = samples + sent;
sr_session_bus(sigma->session_id, &packet);
}
return SR_OK;
}
-static int receive_data(int fd, int revents, void *user_data)
+static int receive_data(int fd, int revents, void *session_data)
{
- struct sr_device_instance *sdi = user_data;
+ struct sr_device_instance *sdi = session_data;
struct sigma *sigma = sdi->priv;
struct sr_datafeed_packet packet;
const int chunks_per_read = 32;
uint64_t running_msec;
struct timeval tv;
- fd = fd;
- revents = revents;
+ /* Avoid compiler warnings. */
+ (void)fd;
+ (void)revents;
numchunks = (sigma->state.stoppos + 511) / 512;
if (running_msec < sigma->limit_msec && numchunks < 32767)
return FALSE;
- hw_stop_acquisition(sdi->index, user_data);
+ hw_stop_acquisition(sdi->index, session_data);
return FALSE;
if (sigma->state.chunks_downloaded >= numchunks) {
/* End of samples. */
packet.type = SR_DF_END;
- packet.length = 0;
sr_session_bus(sigma->session_id, &packet);
sigma->state.state = SIGMA_IDLE;
bufsz = sigma_read_dram(sigma->state.chunks_downloaded,
newchunks, buf, sigma);
+ /* TODO: Check bufsz. For now, just avoid compiler warnings. */
+ (void)bufsz;
/* Find first ts. */
if (sigma->state.chunks_downloaded == 0) {
&sigma->state.lastts,
&sigma->state.lastsample,
sigma->state.triggerpos & 0x1ff,
- limit_chunk, user_data);
+ limit_chunk, session_data);
else
decode_chunk_ts(buf + (i * CHUNK_SIZE),
&sigma->state.lastts,
&sigma->state.lastsample,
- -1, limit_chunk, user_data);
+ -1, limit_chunk, session_data);
++sigma->state.chunks_downloaded;
}
return SR_OK;
}
-static int hw_start_acquisition(int device_index, gpointer session_device_id)
+static int hw_start_acquisition(int device_index, gpointer session_data)
{
struct sr_device_instance *sdi;
struct sigma *sigma;
struct triggerinout triggerinout_conf;
struct triggerlut lut;
- session_device_id = session_device_id;
+ /* Avoid compiler warnings. */
+ (void)session_data;
if (!(sdi = sr_get_device_instance(device_instances, device_index)))
return SR_ERR;
gettimeofday(&sigma->start_tv, 0);
sigma_set_register(WRITE_MODE, 0x0d, sigma);
- sigma->session_id = session_device_id;
+ sigma->session_id = session_data;
/* Send header packet to the session bus. */
packet.type = SR_DF_HEADER;
- packet.length = sizeof(struct sr_datafeed_header);
packet.payload = &header;
header.feed_version = 1;
gettimeofday(&header.starttime, NULL);
header.samplerate = sigma->cur_samplerate;
- header.protocol_id = SR_PROTO_RAW;
header.num_logic_probes = sigma->num_probes;
header.num_analog_probes = 0;
- sr_session_bus(session_device_id, &packet);
+ sr_session_bus(session_data, &packet);
/* Add capture source. */
sr_source_add(0, G_IO_IN, 10, receive_data, sdi);
return SR_OK;
}
-static void hw_stop_acquisition(int device_index, gpointer session_device_id)
+static void hw_stop_acquisition(int device_index, gpointer session_data)
{
struct sr_device_instance *sdi;
struct sigma *sigma;
sigma = sdi->priv;
- session_device_id = session_device_id;
+ /* Avoid compiler warnings. */
+ (void)session_data;
/* Stop acquisition. */
sigma_set_register(WRITE_MODE, 0x11, sigma);