#include "libsigrok.h"
#include "libsigrok-internal.h"
-/* Message logging helpers with driver-specific prefix string. */
-#define DRIVER_LOG_DOMAIN "lascar-el-usb: "
-#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
-#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
+#define LOG_PREFIX "lascar-el-usb"
+
+#define LASCAR_VENDOR "Lascar"
+#define LASCAR_INTERFACE 0
+#define LASCAR_EP_IN 0x82
+#define LASCAR_EP_OUT 2
+/* Max 100ms for a device to positively identify. */
+#define SCAN_TIMEOUT 100000
+#define MAX_CONFIGBLOCK_SIZE 256
/** Private, per-device-instance driver context. */
struct dev_context {
- /** The current sampling limit (in number of samples). */
+ void *cb_data;
+ const struct elusb_profile *profile;
+ /* Generic EL-USB */
+ unsigned char config[MAX_CONFIGBLOCK_SIZE];
+ unsigned int log_size;
+ unsigned int rcvd_bytes;
+ unsigned int sample_size;
+ unsigned int logged_samples;
+ unsigned int rcvd_samples;
uint64_t limit_samples;
+ /* Model-specific */
+ /* EL-USB-CO: these are something like scaling and calibration values
+ * fixed per device, used to convert the sample values to CO ppm. */
+ float co_high;
+ float co_low;
+ /* Temperature units as stored in the device config. */
+ int temp_unit;
+};
- /** The current sampling limit (in ms). */
- uint64_t limit_msec;
-
- /** Opaque pointer passed in by the frontend. */
- void *cb_data;
+enum {
+ LOG_UNSUPPORTED,
+ LOG_TEMP_RH,
+ LOG_CO,
+};
- /** The current number of already received samples. */
- uint64_t num_samples;
+struct elusb_profile {
+ int modelid;
+ char *modelname;
+ int logformat;
};
-SR_PRIV int lascar_el_usb_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int lascar_get_config(libusb_device_handle *dev_hdl,
+ unsigned char *configblock, int *configlen);
+SR_PRIV struct sr_dev_inst *lascar_scan(int bus, int address);
+SR_PRIV int lascar_el_usb_handle_events(int fd, int revents, void *cb_data);
+SR_PRIV void lascar_el_usb_receive_transfer(struct libusb_transfer *transfer);
+SR_PRIV int lascar_start_logging(const struct sr_dev_inst *sdi);
+SR_PRIV int lascar_stop_logging(const struct sr_dev_inst *sdi);
+SR_PRIV int lascar_is_logging(const struct sr_dev_inst *sdi);
+SR_PRIV int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
#endif