#include <sigrok.h>
#include "config.h"
-#define BUFSIZE 4096
+#define NUM_PROBES 8
+#define DEMONAME "Demo device"
+/* size of chunks to send through the session bus */
+#define BUFSIZE 4096
-#define NUM_PROBES 8
-#define NUM_TRIGGER_STAGES 4
-#define TRIGGER_TYPES "01"
-/* Software trigger implementation: positive values indicate trigger stage. */
-#define TRIGGER_FIRED -1
-
-#define USB_MODEL_NAME "demodevice"
-#define USB_VENDOR_NAME "sigrok"
-#define USB_MODEL_VERSION "v1.0"
+enum {
+ GENMODE_RANDOM,
+ GENMODE_INC,
+};
-#define GENMODE_RANDOM 1
-#define GENMODE_INC 2
+struct databag {
+ int pipe_fds[2];
+ uint8_t sample_generator;
+ uint8_t thread_running;
+ uint64_t samples_counter;
+ int device_index;
+ int loop_sleep;
+ gpointer session_device_id;
+};
static GThread *my_thread;
static int thread_running;
static int capabilities[] = {
HWCAP_LOGIC_ANALYZER,
- HWCAP_SAMPLERATE,
+ HWCAP_PATTERN_MODE,
HWCAP_LIMIT_SAMPLES,
HWCAP_CONTINUOUS
};
-/* Random selection of samplerates this "device" shall support. */
-static uint64_t supported_samplerates[] = {
- KHZ(100),
- KHZ(500),
- MHZ(1),
- MHZ(2),
- MHZ(12),
- MHZ(24),
- 0,
-};
-
-static struct samplerates samplerates = {
- KHZ(100),
- MHZ(24),
- 0,
- supported_samplerates,
-};
-
-struct databag {
- int pipe_fds[2];
- uint8_t sample_generator;
- uint8_t thread_running;
- uint64_t samples_counter;
- int device_index;
- int loop_sleep;
- gpointer session_device_id;
+static char *patternmodes[] = {
+ "random",
+ "incremental",
+ NULL
};
/* List of struct sigrok_device_instance, maintained by opendev()/closedev(). */
static GSList *device_instances = NULL;
-
-/* TODO: All of these should go in a device-specific struct. */
static uint64_t cur_samplerate = 0;
static uint64_t limit_samples = -1;
-// static uint8_t probe_mask = 0;
-// static uint8_t trigger_mask[NUM_TRIGGER_STAGES] = { 0 };
-// static uint8_t trigger_value[NUM_TRIGGER_STAGES] = { 0 };
-// static uint8_t trigger_buffer[NUM_TRIGGER_STAGES] = { 0 };
+static int default_genmode = GENMODE_RANDOM;
-// static int trigger_stage = TRIGGER_FIRED;
-static int hw_set_configuration(int device_index, int capability, void *value);
static void hw_stop_acquisition(int device_index, gpointer session_device_id);
static int hw_init(char *deviceinfo)
{
- /* Avoid compiler warnings. */
- deviceinfo = deviceinfo;
-
struct sigrok_device_instance *sdi;
- sdi = sigrok_device_instance_new(0, ST_ACTIVE,
- USB_VENDOR_NAME, USB_MODEL_NAME, USB_MODEL_VERSION);
+ /* Avoid compiler warnings. */
+ deviceinfo = deviceinfo;
+ sdi = sigrok_device_instance_new(0, ST_ACTIVE, DEMONAME, NULL, NULL);
if (!sdi)
return 0;
+
device_instances = g_slist_append(device_instances, sdi);
return 1;
case DI_NUM_PROBES:
info = GINT_TO_POINTER(NUM_PROBES);
break;
- case DI_SAMPLERATES:
- info = &samplerates;
- break;
- case DI_TRIGGER_TYPES:
- info = TRIGGER_TYPES;
- break;
case DI_CUR_SAMPLERATE:
info = &cur_samplerate;
break;
+ case DI_PATTERNMODES:
+ info = &patternmodes;
+ break;
}
return info;
/* Avoid compiler warnings. */
device_index = device_index;
- return 0; /* FIXME */
+ return ST_ACTIVE;
}
static int *hw_get_capabilities(void)
{
+
return capabilities;
}
{
int ret;
uint64_t *tmp_u64;
+ char *stropt;
/* Avoid compiler warnings. */
device_index = device_index;
- if (capability == HWCAP_SAMPLERATE) {
- cur_samplerate = *(uint64_t *) value;
- ret = SIGROK_OK;
- } else if (capability == HWCAP_PROBECONFIG) {
- // ret = configure_probes((GSList *) value); FIXME
+ if (capability == HWCAP_PROBECONFIG) {
+ /* nothing to do */
ret = SIGROK_OK;
} else if (capability == HWCAP_LIMIT_SAMPLES) {
tmp_u64 = value;
limit_samples = *tmp_u64;
ret = SIGROK_OK;
+ } else if (capability == HWCAP_PATTERN_MODE) {
+ stropt = value;
+ if (!strcmp(stropt, "random")) {
+ default_genmode = GENMODE_RANDOM;
+ ret = SIGROK_OK;
+ } else if (!strcmp(stropt, "incremental")) {
+ default_genmode = GENMODE_INC;
+ ret = SIGROK_OK;
+ } else {
+ ret = SIGROK_ERR;
+ }
} else {
ret = SIGROK_ERR;
}
{
struct datafeed_packet *packet;
struct datafeed_header *header;
- unsigned char *buf;
struct databag *mydata;
mydata = malloc(sizeof(struct databag));
if (!mydata)
return SIGROK_ERR_MALLOC;
- mydata->sample_generator = GENMODE_RANDOM;
+ mydata->sample_generator = default_genmode;
mydata->session_device_id = session_device_id;
mydata->device_index = device_index;
mydata->samples_counter = 0;
mydata->loop_sleep = 100000;
- if (pipe(mydata->pipe_fds)) {
- fprintf(stderr, "Pipe failed.\n");
- return SIGROK_ERR_MALLOC; /* FIXME */
+ if (pipe(mydata->pipe_fds))
+ return SIGROK_ERR;
- }
source_add(mydata->pipe_fds[0], G_IO_IN | G_IO_ERR, 40, receive_data,
session_device_id);
thread_running = 1;
my_thread =
g_thread_create((GThreadFunc)thread_func, mydata, TRUE, NULL);
- if (!my_thread) {
- fprintf(stderr, "demo: Thread creation failed.\n");
- return SIGROK_ERR_MALLOC; /* FIXME */
- }
+ if (!my_thread)
+ return SIGROK_ERR;
packet = malloc(sizeof(struct datafeed_packet));
header = malloc(sizeof(struct datafeed_header));
- buf = malloc(2048);
- if (!packet || !header || !buf)
+ if (!packet || !header)
return SIGROK_ERR_MALLOC;
- /* FIXME */
- memset(buf, 0x55, 2048);
-
packet->type = DF_HEADER;
packet->length = sizeof(struct datafeed_header);
packet->payload = (unsigned char *)header;
return SIGROK_OK;
}
-/* This stops acquisition on ALL devices, ignoring device_index. */
static void hw_stop_acquisition(int device_index, gpointer session_device_id)
{
struct datafeed_packet packet;
/* Send last packet. */
packet.type = DF_END;
session_bus(session_device_id, &packet);
+
}
struct device_plugin demo_plugin_info = {
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