#include "config.h"
#include "dso.h"
+/* FIXME: Temporary build fix, this will be removed later. */
+#define GTV_TO_MSEC(gtv) (gtv.tv_sec * 1000 + gtv.tv_usec / 1000)
/* Max time in ms before we want to check on events */
#define TICK 1
-static int capabilities[] = {
+static const int hwcaps[] = {
SR_HWCAP_OSCILLOSCOPE,
SR_HWCAP_LIMIT_SAMPLES,
SR_HWCAP_CONTINUOUS,
SR_HWCAP_TRIGGER_SOURCE,
SR_HWCAP_TRIGGER_SLOPE,
SR_HWCAP_HORIZ_TRIGGERPOS,
+ SR_HWCAP_FILTER,
+ SR_HWCAP_VDIV,
+ SR_HWCAP_COUPLING,
0,
};
NULL,
};
-static struct dso_profile dev_profiles[] = {
+static const struct dso_profile dev_profiles[] = {
{ 0x04b4, 0x2090,
0x04b5, 0x2090,
"Hantek", "DSO-2090",
NULL, 2,
FIRMWARE_DIR "/hantek-dso-2090.fw" },
- { 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0 },
};
-static uint64_t buffersizes[] = {
+static const uint64_t buffersizes[] = {
10240,
32768,
/* TODO: 65535 */
- 0
+ 0,
};
-static struct sr_rational timebases[] = {
+static const struct sr_rational timebases[] = {
/* microseconds */
{ 10, 1000000 },
{ 20, 1000000 },
{ 100, 1000 },
{ 200, 1000 },
{ 400, 1000 },
- {0,0}
+ { 0, 0},
+};
+
+static const struct sr_rational vdivs[] = {
+ /* millivolts */
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* volts */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 0, 0 },
};
-static char *trigger_sources[] = {
+static const char *trigger_sources[] = {
"CH1",
"CH2",
"EXT",
- NULL
+ NULL,
+};
+
+static const char *filter_targets[] = {
+ "CH1",
+ "CH2",
+ /* TODO: "TRIGGER", */
+ NULL,
+};
+
+static const char *coupling[] = {
+ "AC",
+ "DC",
+ "GND",
+ NULL,
};
SR_PRIV libusb_context *usb_context = NULL;
SR_PRIV GSList *dev_insts = NULL;
-
-static struct sr_dev_inst *dso_dev_new(int index, struct dso_profile *prof)
+static struct sr_dev_inst *dso_dev_new(int index, const struct dso_profile *prof)
{
struct sr_dev_inst *sdi;
struct context *ctx;
return sdi;
}
-static int configure_probes(struct context *ctx, GSList *probes)
+static int configure_probes(struct context *ctx, const GSList *probes)
{
- struct sr_probe *probe;
- GSList *l;
+ const struct sr_probe *probe;
+ const GSList *l;
ctx->ch1_enabled = ctx->ch2_enabled = FALSE;
for (l = probes; l; l = l->next) {
{
struct sr_dev_inst *sdi;
struct libusb_device_descriptor des;
- struct dso_profile *prof;
+ const struct dso_profile *prof;
struct context *ctx;
libusb_device **devlist;
int err, devcnt, i, j;
return SR_OK;
}
-static void *hw_get_device_info(int dev_index, int dev_info_id)
+static const void *hw_dev_info_get(int dev_index, int dev_info_id)
{
struct sr_dev_inst *sdi;
struct context *ctx;
- void *info;
+ const void *info;
uint64_t tmp;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
case SR_DI_TRIGGER_SOURCES:
info = trigger_sources;
break;
+ case SR_DI_FILTERS:
+ info = filter_targets;
+ break;
+ case SR_DI_VDIVS:
+ info = vdivs;
+ break;
+ case SR_DI_COUPLING:
+ info = coupling;
+ break;
/* TODO remove this */
case SR_DI_CUR_SAMPLERATE:
info = &tmp;
return info;
}
-static int hw_get_status(int device_index)
+static int hw_dev_status_get(int dev_index)
{
struct sr_dev_inst *sdi;
- if (!(sdi = sr_dev_inst_get(dev_insts, device_index)))
+ if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ST_NOT_FOUND;
return sdi->status;
}
-static int *hwcap_get_all(void)
+static const int *hw_hwcap_get_all(void)
{
-
- return capabilities;
+ return hwcaps;
}
-static int hw_dev_config_set(int dev_index, int hwcap, void *value)
+static int hw_dev_config_set(int dev_index, int hwcap, const void *value)
{
struct sr_dev_inst *sdi;
struct context *ctx;
float tmp_float;
uint64_t tmp_u64;
int ret, i;
- char *tmp_str;
+ char **targets;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
ctx = sdi->priv;
switch (hwcap) {
case SR_HWCAP_LIMIT_FRAMES:
- ctx->limit_frames = *(uint64_t *)value;
+ ctx->limit_frames = *(const uint64_t *)value;
break;
case SR_HWCAP_PROBECONFIG:
- ret = configure_probes(ctx, (GSList *) value);
+ ret = configure_probes(ctx, (const GSList *)value);
break;
case SR_HWCAP_TRIGGER_SLOPE:
- tmp_u64 = *(int *)value;
+ tmp_u64 = *(const int *)value;
if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE)
ret = SR_ERR_ARG;
ctx->triggerslope = tmp_u64;
break;
case SR_HWCAP_HORIZ_TRIGGERPOS:
- tmp_float = *(float *)value;
+ tmp_float = *(const float *)value;
if (tmp_float < 0.0 || tmp_float > 1.0) {
sr_err("hantek-dso: trigger position should be between 0.0 and 1.0");
ret = SR_ERR_ARG;
ctx->triggerposition = tmp_float;
break;
case SR_HWCAP_BUFFERSIZE:
- tmp_u64 = *(int *)value;
+ tmp_u64 = *(const int *)value;
for (i = 0; buffersizes[i]; i++) {
if (buffersizes[i] == tmp_u64) {
ctx->framesize = tmp_u64;
ret = SR_ERR_ARG;
break;
case SR_HWCAP_TIMEBASE:
- tmp_rat = *(struct sr_rational *)value;
+ tmp_rat = *(const struct sr_rational *)value;
for (i = 0; timebases[i].p && timebases[i].q; i++) {
if (timebases[i].p == tmp_rat.p
&& timebases[i].q == tmp_rat.q) {
ret = SR_ERR_ARG;
break;
case SR_HWCAP_TRIGGER_SOURCE:
- tmp_str = value;
for (i = 0; trigger_sources[i]; i++) {
- if (!strcmp(tmp_str, trigger_sources[i])) {
- ctx->triggersource = g_strdup(tmp_str);
+ if (!strcmp(value, trigger_sources[i])) {
+ ctx->triggersource = g_strdup(value);
break;
}
}
if (trigger_sources[i] == 0)
ret = SR_ERR_ARG;
break;
+ case SR_HWCAP_FILTER:
+ ctx->filter_ch1 = ctx->filter_ch2 = ctx->filter_trigger = 0;
+ targets = g_strsplit(value, ",", 0);
+ for (i = 0; targets[i]; i++) {
+ if (targets[i] == '\0')
+ /* Empty filter string can be used to clear them all. */
+ ;
+ else if (!strcmp(targets[i], "CH1"))
+ ctx->filter_ch1 = TRUE;
+ else if (!strcmp(targets[i], "CH2"))
+ ctx->filter_ch2 = TRUE;
+ else if (!strcmp(targets[i], "TRIGGER"))
+ ctx->filter_trigger = TRUE;
+ else {
+ sr_err("invalid filter target %s", targets[i]);
+ ret = SR_ERR_ARG;
+ }
+ }
+ g_strfreev(targets);
+ break;
+ case SR_HWCAP_VDIV:
+ /* TODO not supporting vdiv per channel yet */
+ tmp_rat = *(const struct sr_rational *)value;
+ for (i = 0; vdivs[i].p && vdivs[i].q; i++) {
+ if (vdivs[i].p == tmp_rat.p
+ && vdivs[i].q == tmp_rat.q) {
+ ctx->voltage_ch1 = i;
+ ctx->voltage_ch2 = i;
+ break;
+ }
+ }
+ if (vdivs[i].p == 0 && vdivs[i].q == 0)
+ ret = SR_ERR_ARG;
+ break;
+ case SR_HWCAP_COUPLING:
+ /* TODO not supporting coupling per channel yet */
+ for (i = 0; coupling[i]; i++) {
+ if (!strcmp(value, coupling[i])) {
+ ctx->coupling_ch1 = i;
+ ctx->coupling_ch2 = i;
+ break;
+ }
+ }
+ if (coupling[i] == 0)
+ ret = SR_ERR_ARG;
+ break;
default:
ret = SR_ERR_ARG;
}
struct sr_datafeed_packet packet;
struct sr_datafeed_analog analog;
struct context *ctx;
- float ch1, ch2;
+ float ch1, ch2, range;
int num_probes, data_offset, i;
ctx = transfer->user_data;
packet.payload = &analog;
/* TODO: support for 5xxx series 9-bit samples */
analog.num_samples = transfer->actual_length / 2;
+ analog.unit = SR_UNIT_VOLTAGE;
analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_probes);
data_offset = 0;
for (i = 0; i < analog.num_samples; i++) {
/* The device always sends data for both channels. If a channel
* is disabled, it contains a copy of the enabled channel's
* data. However, we only send the requested channels to the bus.
+ *
+ * Voltage values are encoded as a value 0-255 (0-512 on the 5200*),
+ * where the value is a point in the range represented by the vdiv
+ * setting. There are 8 vertical divs, so e.g. 500mV/div represents
+ * 4V peak-to-peak where 0 = -2V and 255 = +2V.
*/
/* TODO: support for 5xxx series 9-bit samples */
if (ctx->ch1_enabled) {
- ch1 = (*(transfer->buffer + i * 2 + 1) / 255.0);
+ range = ((float)vdivs[ctx->voltage_ch1].p / vdivs[ctx->voltage_ch1].q) * 8;
+ ch1 = range / 255 * *(transfer->buffer + i * 2 + 1);
+ /* Value is centered around 0V. */
+ ch1 -= range / 2;
analog.data[data_offset++] = ch1;
}
if (ctx->ch2_enabled) {
- ch2 = (*(transfer->buffer + i * 2) / 255.0);
+ range = ((float)vdivs[ctx->voltage_ch2].p / vdivs[ctx->voltage_ch2].q) * 8;
+ ch2 = range / 255 * *(transfer->buffer + i * 2);
+ ch2 -= range / 2;
analog.data[data_offset++] = ch2;
}
}
return TRUE;
}
-static int hw_start_acquisition(int device_index, void *cb_data)
+static int hw_dev_acquisition_start(int dev_index, void *cb_data)
{
const struct libusb_pollfd **lupfd;
struct sr_datafeed_packet packet;
struct context *ctx;
int i;
- if (!(sdi = sr_dev_inst_get(dev_insts, device_index)))
+ if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
if (sdi->status != SR_ST_ACTIVE)
/* TODO: doesn't really cancel pending transfers so they might come in after
* SR_DF_END is sent.
*/
-static int hw_stop_acquisition(int device_index, gpointer session_device_id)
+static int hw_dev_acquisition_stop(int dev_index, void *cb_data)
{
struct sr_datafeed_packet packet;
struct sr_dev_inst *sdi;
struct context *ctx;
- if (!(sdi = sr_dev_inst_get(dev_insts, device_index)))
+ if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
if (sdi->status != SR_ST_ACTIVE)
ctx->dev_state = IDLE;
packet.type = SR_DF_END;
- sr_session_send(session_device_id, &packet);
+ sr_session_send(cb_data, &packet);
return SR_OK;
}
-SR_PRIV struct sr_dev_driver hantek_dso_plugin_info = {
+SR_PRIV struct sr_dev_driver hantek_dso_driver_info = {
.name = "hantek-dso",
.longname = "Hantek DSO",
.api_version = 1,
.cleanup = hw_cleanup,
.dev_open = hw_dev_open,
.dev_close = hw_dev_close,
- .dev_info_get = hw_get_device_info,
- .dev_status_get = hw_get_status,
- .hwcap_get_all = hwcap_get_all,
+ .dev_info_get = hw_dev_info_get,
+ .dev_status_get = hw_dev_status_get,
+ .hwcap_get_all = hw_hwcap_get_all,
.dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_start_acquisition,
- .dev_acquisition_stop = hw_stop_acquisition,
+ .dev_acquisition_start = hw_dev_acquisition_start,
+ .dev_acquisition_stop = hw_dev_acquisition_stop,
};
projects / libsigrok.git / blobdiff