#include <stdlib.h>
#include <unistd.h>
#include <string.h>
-#include <sigrok.h>
-#include <sigrok-internal.h>
#ifdef _WIN32
#include <io.h>
#include <fcntl.h>
#define pipe(fds) _pipe(fds, 4096, _O_BINARY)
#endif
#include "config.h"
+#include "sigrok.h"
+#include "sigrok-internal.h"
/* TODO: Number of probes should be configurable. */
#define NUM_PROBES 8
uint8_t thread_running;
uint64_t samples_counter;
int device_index;
- gpointer session_device_id;
+ gpointer session_data;
GTimer *timer;
};
/* List of struct sr_device_instance, maintained by opendev()/closedev(). */
static GSList *device_instances = NULL;
static uint64_t cur_samplerate = SR_KHZ(200);
+static uint64_t period_ps = 5000000;
static uint64_t limit_samples = 0;
static uint64_t limit_msec = 0;
static int default_pattern = PATTERN_SIGROK;
static GThread *my_thread;
static int thread_running;
-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 hw_init(const char *deviceinfo)
{
struct sr_device_instance *sdi;
/* Avoid compiler warnings. */
- deviceinfo = deviceinfo;
+ (void)deviceinfo;
sdi = sr_device_instance_new(0, SR_ST_ACTIVE, DEMONAME, NULL, NULL);
if (!sdi) {
static int hw_opendev(int device_index)
{
/* Avoid compiler warnings. */
- device_index = device_index;
+ (void)device_index;
/* Nothing needed so far. */
static int hw_closedev(int device_index)
{
/* Avoid compiler warnings. */
- device_index = device_index;
+ (void)device_index;
/* Nothing needed so far. */
static int hw_get_status(int device_index)
{
/* Avoid compiler warnings. */
- device_index = device_index;
+ (void)device_index;
return SR_ST_ACTIVE;
}
char *stropt;
/* Avoid compiler warnings. */
- device_index = device_index;
+ (void)device_index;
if (capability == SR_HWCAP_PROBECONFIG) {
/* Nothing to do, but must be supported */
ret = SR_OK;
} else if (capability == SR_HWCAP_SAMPLERATE) {
cur_samplerate = *(uint64_t *)value;
+ period_ps = 1000000000000 / cur_samplerate;
sr_dbg("demo: %s: setting samplerate to %" PRIu64, __func__,
cur_samplerate);
ret = SR_OK;
}
/* Callback handling data */
-static int receive_data(int fd, int revents, void *user_data)
+static int receive_data(int fd, int revents, void *session_data)
{
struct sr_datafeed_packet packet;
- char c[BUFSIZE];
+ struct sr_datafeed_logic logic;
+ static uint64_t samples_received = 0;
+ unsigned char c[BUFSIZE];
gsize z;
/* Avoid compiler warnings. */
- fd = fd;
- revents = revents;
+ (void)fd;
+ (void)revents;
do {
g_io_channel_read_chars(channels[0],
if (z > 0) {
packet.type = SR_DF_LOGIC;
- packet.length = z;
- packet.unitsize = 1;
- packet.payload = c;
- sr_session_bus(user_data, &packet);
+ packet.payload = &logic;
+ packet.timeoffset = samples_received * period_ps;
+ packet.duration = z * period_ps;
+ logic.length = z;
+ logic.unitsize = 1;
+ logic.data = c;
+ sr_session_bus(session_data, &packet);
+ samples_received += z;
}
} while (z > 0);
/* Send last packet. */
packet.type = SR_DF_END;
- sr_session_bus(user_data, &packet);
+ sr_session_bus(session_data, &packet);
return FALSE;
}
return TRUE;
}
-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_datafeed_packet *packet;
struct sr_datafeed_header *header;
}
mydata->sample_generator = default_pattern;
- mydata->session_device_id = session_device_id;
+ mydata->session_data = session_data;
mydata->device_index = device_index;
mydata->samples_counter = 0;
g_io_channel_set_buffered(channels[1], FALSE);
sr_source_add(mydata->pipe_fds[0], G_IO_IN | G_IO_ERR, 40,
- receive_data, session_device_id);
+ receive_data, session_data);
/* Run the demo thread. */
g_thread_init(NULL);
}
packet->type = SR_DF_HEADER;
- packet->length = sizeof(struct sr_datafeed_header);
- packet->payload = (unsigned char *)header;
+ packet->payload = header;
+ packet->timeoffset = 0;
+ packet->duration = 0;
header->feed_version = 1;
gettimeofday(&header->starttime, NULL);
header->samplerate = cur_samplerate;
- header->protocol_id = SR_PROTO_RAW;
header->num_logic_probes = NUM_PROBES;
header->num_analog_probes = 0;
- sr_session_bus(session_device_id, packet);
+ sr_session_bus(session_data, packet);
g_free(header);
g_free(packet);
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)
{
/* Avoid compiler warnings. */
- device_index = device_index;
- session_device_id = session_device_id;
+ (void)device_index;
+ (void)session_data;
/* Stop generate thread. */
thread_running = 0;