* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <string.h>
#include "protocol.h"
#define USB_CONN "1041.8101"
#define VENDOR "Kecheng"
#define USB_INTERFACE 0
-#define EP_IN 0x80 | 1
-#define EP_OUT 2
static const int32_t hwcaps[] = {
SR_CONF_SOUNDLEVELMETER,
SR_CONF_LIMIT_SAMPLES,
SR_CONF_CONTINUOUS,
+ SR_CONF_DATALOG,
+ SR_CONF_SPL_WEIGHT_FREQ,
+ SR_CONF_SPL_WEIGHT_TIME,
+ SR_CONF_DATA_SOURCE,
+};
+
+static const uint64_t sample_intervals[][2] = {
+ { 1, 8 },
+ { 1, 2 },
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+ { 60, 1 },
+};
+
+static const char *weight_freq[] = {
+ "A",
+ "C",
+};
+
+static const char *weight_time[] = {
+ "F",
+ "S",
+};
+
+static const char *data_sources[] = {
+ "Live",
+ "Memory",
};
SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info;
}
sdi->priv = devc;
devc->limit_samples = 0;
+ /* The protocol provides no way to read the current
+ * settings, so we'll enforce these. */
+ devc->sample_interval = DEFAULT_SAMPLE_INTERVAL;
+ devc->alarm_low = DEFAULT_ALARM_LOW;
+ devc->alarm_high = DEFAULT_ALARM_HIGH;
+ devc->mqflags = DEFAULT_WEIGHT_TIME | DEFAULT_WEIGHT_FREQ;
+ devc->data_source = DEFAULT_DATA_SOURCE;
+
+ /* TODO: Set date/time? */
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
}
sdi->status = SR_ST_ACTIVE;
+ /* Force configuration. */
+ ret = kecheng_kc_330b_configure(sdi);
+
return ret;
}
static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
+ GVariant *rational[2];
+ const uint64_t *si;
+ int tmp, ret;
devc = sdi->priv;
switch (key) {
case SR_CONF_LIMIT_SAMPLES:
*data = g_variant_new_uint64(devc->limit_samples);
break;
+ case SR_CONF_SAMPLE_INTERVAL:
+ si = sample_intervals[devc->sample_interval];
+ rational[0] = g_variant_new_uint64(si[0]);
+ rational[1] = g_variant_new_uint64(si[1]);
+ *data = g_variant_new_tuple(rational, 2);
+ break;
+ case SR_CONF_DATALOG:
+ if ((ret = kecheng_kc_330b_recording_get(sdi, &tmp)) == SR_OK)
+ *data = g_variant_new_boolean(tmp);
+ else
+ return SR_ERR;
+ break;
+ case SR_CONF_SPL_WEIGHT_FREQ:
+ if (devc->mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_A)
+ *data = g_variant_new_string("A");
+ else
+ *data = g_variant_new_string("C");
+ break;
+ case SR_CONF_SPL_WEIGHT_TIME:
+ if (devc->mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_F)
+ *data = g_variant_new_string("F");
+ else
+ *data = g_variant_new_string("S");
+ break;
+ case SR_CONF_DATA_SOURCE:
+ if (devc->data_source == DATA_SOURCE_LIVE)
+ *data = g_variant_new_string("Live");
+ else
+ *data = g_variant_new_string("Memory");
+ break;
default:
return SR_ERR_NA;
}
static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
- int ret;
+ uint64_t p, q;
+ unsigned int i;
+ int tmp, ret;
+ const char *tmp_str;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
sr_dbg("Setting sample limit to %" PRIu64 ".",
devc->limit_samples);
break;
+ case SR_CONF_SAMPLE_INTERVAL:
+ g_variant_get(data, "(tt)", &p, &q);
+ for (i = 0; i < ARRAY_SIZE(sample_intervals); i++) {
+ if (sample_intervals[i][0] != p || sample_intervals[i][1] != q)
+ continue;
+ devc->sample_interval = i;
+ kecheng_kc_330b_configure(sdi);
+ break;
+ }
+ if (i == ARRAY_SIZE(sample_intervals))
+ ret = SR_ERR_ARG;
+ break;
+ case SR_CONF_SPL_WEIGHT_FREQ:
+ tmp_str = g_variant_get_string(data, NULL);
+ if (!strcmp(tmp_str, "A"))
+ tmp = SR_MQFLAG_SPL_FREQ_WEIGHT_A;
+ else if (!strcmp(tmp_str, "C"))
+ tmp = SR_MQFLAG_SPL_FREQ_WEIGHT_C;
+ else
+ return SR_ERR_ARG;
+ devc->mqflags &= ~(SR_MQFLAG_SPL_FREQ_WEIGHT_A | SR_MQFLAG_SPL_FREQ_WEIGHT_C);
+ devc->mqflags |= tmp;
+ kecheng_kc_330b_configure(sdi);
+ break;
+ case SR_CONF_SPL_WEIGHT_TIME:
+ tmp_str = g_variant_get_string(data, NULL);
+ if (!strcmp(tmp_str, "F"))
+ tmp = SR_MQFLAG_SPL_TIME_WEIGHT_F;
+ else if (!strcmp(tmp_str, "S"))
+ tmp = SR_MQFLAG_SPL_TIME_WEIGHT_S;
+ else
+ return SR_ERR_ARG;
+ devc->mqflags &= ~(SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_TIME_WEIGHT_S);
+ devc->mqflags |= tmp;
+ kecheng_kc_330b_configure(sdi);
+ break;
+ case SR_CONF_DATA_SOURCE:
+ tmp_str = g_variant_get_string(data, NULL);
+ if (!strcmp(tmp_str, "Live"))
+ devc->data_source = DATA_SOURCE_LIVE;
+ else if (!strcmp(tmp_str, "Memory"))
+ devc->data_source = DATA_SOURCE_MEMORY;
+ else
+ return SR_ERR;
+ break;
default:
ret = SR_ERR_NA;
}
static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
{
+ GVariant *tuple, *rational[2];
+ GVariantBuilder gvb;
+ unsigned int i;
(void)sdi;
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
break;
+ case SR_CONF_SAMPLE_INTERVAL:
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+ for (i = 0; i < ARRAY_SIZE(sample_intervals); i++) {
+ rational[0] = g_variant_new_uint64(sample_intervals[i][0]);
+ rational[1] = g_variant_new_uint64(sample_intervals[i][1]);
+ tuple = g_variant_new_tuple(rational, 2);
+ g_variant_builder_add_value(&gvb, tuple);
+ }
+ *data = g_variant_builder_end(&gvb);
+ break;
+ case SR_CONF_SPL_WEIGHT_FREQ:
+ *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
+ break;
+ case SR_CONF_SPL_WEIGHT_TIME:
+ *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
+ break;
+ case SR_CONF_DATA_SOURCE:
+ *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
+ break;
default:
return SR_ERR_NA;
}
static int dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
- (void)sdi;
- (void)cb_data;
+ struct drv_context *drvc;
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ const struct libusb_pollfd **pfd;
+ int len, ret, i;
+ unsigned char cmd;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* TODO: configure hardware, reset acquisition state, set up
- * callbacks and send header packet. */
+ drvc = di->priv;
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ devc->cb_data = cb_data;
+ devc->num_samples = 0;
+
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(cb_data, LOG_PREFIX);
+
+ pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
+ for (i = 0; pfd[i]; i++) {
+ /* Handle USB events every 100ms, for decent latency. */
+ sr_source_add(pfd[i]->fd, pfd[i]->events, 100,
+ kecheng_kc_330b_handle_events, (void *)sdi);
+ /* We'll need to remove this fd later. */
+ devc->usbfd[i] = pfd[i]->fd;
+ }
+ devc->usbfd[i] = -1;
+
+ cmd = CMD_GET_LIVE_SPL;
+ ret = libusb_bulk_transfer(usb->devhdl, EP_OUT, &cmd, 1, &len, 5);
+ if (ret != 0 || len != 1) {
+ sr_dbg("Failed to start acquisition: %s", libusb_error_name(ret));
+ return SR_ERR;
+ }
return SR_OK;
}
#include "protocol.h"
-SR_PRIV int kecheng_kc_330b_receive_data(int fd, int revents, void *cb_data)
+SR_PRIV int kecheng_kc_330b_handle_events(int fd, int revents, void *cb_data)
{
+ const struct sr_dev_inst *sdi;
+ struct dev_context *devc;
+ struct timeval tv;
+
(void)fd;
+ (void)revents;
- const struct sr_dev_inst *sdi;
+ sdi = cb_data;
+ devc = sdi->priv;
+
+
+ return TRUE;
+}
+
+SR_PRIV int kecheng_kc_330b_configure(const struct sr_dev_inst *sdi)
+{
struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ int len, ret;
+ unsigned char buf[7];
- if (!(sdi = cb_data))
- return TRUE;
+ sr_dbg("Configuring device.");
- if (!(devc = sdi->priv))
- return TRUE;
+ usb = sdi->conn;
+ devc = sdi->priv;
- if (revents == G_IO_IN) {
- /* TODO */
+ buf[0] = CMD_CONFIGURE;
+ buf[1] = devc->sample_interval;
+ buf[2] = devc->alarm_low;
+ buf[3] = devc->alarm_high;
+ buf[4] = devc->mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_F ? 0 : 1;
+ buf[5] = devc->mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_A ? 0 : 1;
+ buf[6] = devc->data_source;
+ ret = libusb_bulk_transfer(usb->devhdl, EP_OUT, buf, 7, &len, 5);
+ if (ret != 0 || len != 7) {
+ sr_dbg("Failed to configure device: %s", libusb_error_name(ret));
+ return SR_ERR;
}
- return TRUE;
+ /* The configure command ack takes about 32ms to come in. */
+ ret = libusb_bulk_transfer(usb->devhdl, EP_IN, buf, 1, &len, 40);
+ if (ret != 0 || len != 1) {
+ sr_dbg("Failed to configure device (no ack): %s", libusb_error_name(ret));
+ return SR_ERR;
+ }
+ if (buf[0] != (CMD_CONFIGURE | 0x80)) {
+ sr_dbg("Failed to configure device: invalid response 0x%2.x", buf[0]);
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int kecheng_kc_330b_set_date_time(struct sr_dev_inst *sdi)
+{
+ struct sr_usb_dev_inst *usb;
+ GDateTime *dt;
+ int len, ret;
+ unsigned char buf[7];
+
+ sr_dbg("Setting device date/time.");
+
+ usb = sdi->conn;
+
+ dt = g_date_time_new_now_local();
+ buf[0] = CMD_SET_DATE_TIME;
+ buf[1] = g_date_time_get_year(dt) - 2000;
+ buf[2] = g_date_time_get_month(dt);
+ buf[3] = g_date_time_get_day_of_month(dt);
+ buf[4] = g_date_time_get_hour(dt);
+ buf[5] = g_date_time_get_minute(dt);
+ buf[6] = g_date_time_get_second(dt);
+ g_date_time_unref(dt);
+ ret = libusb_bulk_transfer(usb->devhdl, EP_OUT, buf, 7, &len, 5);
+ if (ret != 0 || len != 7) {
+ sr_dbg("Failed to set date/time: %s", libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ ret = libusb_bulk_transfer(usb->devhdl, EP_IN, buf, 1, &len, 10);
+ if (ret != 0 || len != 1) {
+ sr_dbg("Failed to set date/time (no ack): %s", libusb_error_name(ret));
+ return SR_ERR;
+ }
+ if (buf[0] != (CMD_SET_DATE_TIME | 0x80)) {
+ sr_dbg("Failed to set date/time: invalid response 0x%2.x", buf[0]);
+ return SR_ERR;
+ }
+
+
+
+ return SR_OK;
+}
+
+SR_PRIV int kecheng_kc_330b_recording_get(const struct sr_dev_inst *sdi,
+ gboolean *tmp)
+{
+
+ return SR_OK;
}
projects / libsigrok.git / commitdiff