#include "protocol.h"
-SR_PRIV struct sr_dev_driver center_3xx_driver_info;
-static struct sr_dev_driver *di = ¢er_3xx_driver_info;
+static const int32_t hwopts[] = {
+ SR_CONF_CONN,
+ SR_CONF_SERIALCOMM,
+};
+
+static const int32_t hwcaps[] = {
+ SR_CONF_THERMOMETER,
+ SR_CONF_LIMIT_SAMPLES,
+ SR_CONF_LIMIT_MSEC,
+ SR_CONF_CONTINUOUS,
+};
+
+static const char *probe_names[] = {
+ "T1", "T2", "T3", "T4",
+ NULL,
+};
+
+SR_PRIV struct sr_dev_driver center_309_driver_info;
+SR_PRIV struct sr_dev_driver voltcraft_k204_driver_info;
+
+SR_PRIV const struct center_dev_info center_devs[] = {
+ {
+ "Center", "309", "9600/8n1", 4, 32000, 45,
+ center_3xx_packet_valid,
+ ¢er_309_driver_info, receive_data_CENTER_309,
+ },
+ {
+ "Voltcraft", "K204", "9600/8n1", 4, 32000, 45,
+ center_3xx_packet_valid,
+ &voltcraft_k204_driver_info, receive_data_VOLTCRAFT_K204,
+ },
+};
-static int init(struct sr_context *sr_ctx)
+static int dev_clear(int idx)
{
- return std_init(sr_ctx, di, LOG_PREFIX);
+ return std_dev_clear(center_devs[idx].di, NULL);
}
-static GSList *scan(GSList *options)
+static int init(struct sr_context *sr_ctx, int idx)
{
+ sr_dbg("Selected '%s' subdriver.", center_devs[idx].di->name);
+
+ return std_init(sr_ctx, center_devs[idx].di, LOG_PREFIX);
+}
+
+static GSList *center_scan(const char *conn, const char *serialcomm, int idx)
+{
+ int i;
+ struct sr_dev_inst *sdi;
struct drv_context *drvc;
+ struct dev_context *devc;
+ struct sr_channel *probe;
+ struct sr_serial_dev_inst *serial;
GSList *devices;
- (void)options;
+ if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
+ return NULL;
+ if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
+ return NULL;
+
+ drvc = center_devs[idx].di->priv;
devices = NULL;
- drvc = di->priv;
- drvc->instances = NULL;
+ serial_flush(serial);
- return devices;
-}
+ sr_info("Found device on port %s.", conn);
-static GSList *dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
+ if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, center_devs[idx].vendor,
+ center_devs[idx].device, NULL)))
+ goto scan_cleanup;
-static int dev_clear(void)
-{
- return std_dev_clear(di, NULL);
-}
+ if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+ sr_err("Device context malloc failed.");
+ goto scan_cleanup;
+ }
-static int dev_open(struct sr_dev_inst *sdi)
-{
- (void)sdi;
+ sdi->inst_type = SR_INST_SERIAL;
+ sdi->conn = serial;
- sdi->status = SR_ST_ACTIVE;
+ sdi->priv = devc;
+ sdi->driver = center_devs[idx].di;
- return SR_OK;
-}
+ for (i = 0; i < center_devs[idx].num_channels; i++) {
+ if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG,
+ TRUE, probe_names[i])))
+ goto scan_cleanup;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ }
-static int dev_close(struct sr_dev_inst *sdi)
-{
- (void)sdi;
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devices = g_slist_append(devices, sdi);
- sdi->status = SR_ST_INACTIVE;
+scan_cleanup:
+ serial_close(serial);
- return SR_OK;
+ return devices;
}
-static int cleanup(void)
+static GSList *scan(GSList *options, int idx)
{
- return dev_clear();
+ struct sr_config *src;
+ GSList *l, *devices;
+ const char *conn, *serialcomm;
+
+ conn = serialcomm = NULL;
+ for (l = options; l; l = l->next) {
+ src = l->data;
+ switch (src->key) {
+ case SR_CONF_CONN:
+ conn = g_variant_get_string(src->data, NULL);
+ break;
+ case SR_CONF_SERIALCOMM:
+ serialcomm = g_variant_get_string(src->data, NULL);
+ break;
+ }
+ }
+ if (!conn)
+ return NULL;
+
+ if (serialcomm) {
+ /* Use the provided comm specs. */
+ devices = center_scan(conn, serialcomm, idx);
+ } else {
+ /* Try the default. */
+ devices = center_scan(conn, center_devs[idx].conn, idx);
+ }
+
+ return devices;
}
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
+static GSList *dev_list(int idx)
{
- int ret;
-
- (void)sdi;
- (void)data;
-
- ret = SR_OK;
- switch (key) {
- default:
- return SR_ERR_NA;
- }
+ return ((struct drv_context *)(center_devs[idx].di->priv))->instances;
+}
- return ret;
+static int cleanup(int idx)
+{
+ return dev_clear(idx);
}
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
- int ret;
+ struct dev_context *devc;
- (void)data;
+ (void)cg;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- ret = SR_OK;
- switch (key) {
+ devc = sdi->priv;
+
+ switch (id) {
+ case SR_CONF_LIMIT_SAMPLES:
+ if (g_variant_get_uint64(data) == 0)
+ return SR_ERR_ARG;
+ devc->limit_samples = g_variant_get_uint64(data);
+ break;
+ case SR_CONF_LIMIT_MSEC:
+ if (g_variant_get_uint64(data) == 0)
+ return SR_ERR_ARG;
+ devc->limit_msec = g_variant_get_uint64(data);
+ break;
default:
- ret = SR_ERR_NA;
+ return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
- int ret;
-
(void)sdi;
- (void)data;
+ (void)cg;
- ret = SR_OK;
switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
+ break;
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+ break;
default:
return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
static int dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+ void *cb_data, int idx)
{
- (void)sdi;
- (void)cb_data;
+ struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
+ devc = sdi->priv;
+ devc->cb_data = cb_data;
+ devc->num_samples = 0;
+ devc->starttime = g_get_monotonic_time();
+
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(cb_data, LOG_PREFIX);
+
+ /* Poll every 500ms, or whenever some data comes in. */
+ serial = sdi->conn;
+ serial_source_add(serial, G_IO_IN, 500,
+ center_devs[idx].receive_data, (void *)sdi);
+
return SR_OK;
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
- (void)cb_data;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- return SR_OK;
+ return std_serial_dev_acquisition_stop(sdi, cb_data,
+ std_serial_dev_close, sdi->conn, LOG_PREFIX);
}
-SR_PRIV struct sr_dev_driver center_3xx_driver_info = {
- .name = "center-3xx",
- .longname = "Center 3xx",
- .api_version = 1,
- .init = init,
- .cleanup = cleanup,
- .scan = scan,
- .dev_list = dev_list,
- .dev_clear = dev_clear,
- .config_get = config_get,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = dev_open,
- .dev_close = dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
+/* Driver-specific API function wrappers */
+#define HW_INIT(X) \
+static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
+#define HW_CLEANUP(X) \
+static int cleanup_##X(void) { return cleanup(X); }
+#define HW_SCAN(X) \
+static GSList *scan_##X(GSList *options) { return scan(options, X); }
+#define HW_DEV_LIST(X) \
+static GSList *dev_list_##X(void) { return dev_list(X); }
+#define HW_DEV_CLEAR(X) \
+static int dev_clear_##X(void) { return dev_clear(X); }
+#define HW_DEV_ACQUISITION_START(X) \
+static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
+void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
+
+/* Driver structs and API function wrappers */
+#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
+HW_INIT(ID_UPPER) \
+HW_CLEANUP(ID_UPPER) \
+HW_SCAN(ID_UPPER) \
+HW_DEV_LIST(ID_UPPER) \
+HW_DEV_CLEAR(ID_UPPER) \
+HW_DEV_ACQUISITION_START(ID_UPPER) \
+SR_PRIV struct sr_dev_driver ID##_driver_info = { \
+ .name = NAME, \
+ .longname = LONGNAME, \
+ .api_version = 1, \
+ .init = init_##ID_UPPER, \
+ .cleanup = cleanup_##ID_UPPER, \
+ .scan = scan_##ID_UPPER, \
+ .dev_list = dev_list_##ID_UPPER, \
+ .dev_clear = dev_clear_##ID_UPPER, \
+ .config_get = NULL, \
+ .config_set = config_set, \
+ .config_list = config_list, \
+ .dev_open = std_serial_dev_open, \
+ .dev_close = std_serial_dev_close, \
+ .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
+ .dev_acquisition_stop = dev_acquisition_stop, \
+ .priv = NULL, \
};
+
+DRV(center_309, CENTER_309, "center-309", "Center 309")
+DRV(voltcraft_k204, VOLTCRAFT_K204, "voltcraft-k204", "Voltcraft K204")