#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
+enum voltage_range {
+ VOLTAGE_RANGE_UNKNOWN,
+ VOLTAGE_RANGE_18_33_V, /* 1.8V and 3.3V logic */
+ VOLTAGE_RANGE_5_V, /* 5V logic */
+};
+
/** Private, per-device-instance driver context. */
struct dev_context {
- /* Model-specific information */
+ /*
+ * Since we can't keep track of a Logic16 device after upgrading
+ * the firmware (it renumerates into a different device address
+ * after the upgrade) this is like a global lock. No device will open
+ * until a proper delay after the last device was upgraded.
+ */
+ int64_t fw_updated;
+
+ /** The currently configured samplerate of the device. */
+ uint64_t cur_samplerate;
+
+ /** Maximum number of samples to capture, if nonzero */
+ uint64_t limit_samples;
+
+ /** The currently configured input voltage of the device */
+ enum voltage_range cur_voltage_range;
- /* Acquisition settings */
+ /** Channels to use */
+ uint16_t cur_channels;
- /* Operational state */
+ /*
+ * EEPROM data from address 8
+ */
+ uint8_t eeprom_data[8];
- /* Temporary state across callbacks */
+ int64_t num_samples;
+ int submitted_transfers;
+ int empty_transfer_count;
+ int num_channels, cur_channel;
+ uint16_t channel_masks[16];
+ uint16_t channel_data[16];
+ uint8_t *convbuffer;
+ size_t convbuffer_size;
+ void *cb_data;
+ unsigned int num_transfers;
+ struct libusb_transfer **transfers;
+ int *usbfd;
};
-SR_PRIV int saleae_logic16_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int saleae_logic16_setup_acquisition(const struct sr_dev_inst *sdi,
+ uint64_t samplerate,
+ uint16_t channels);
+SR_PRIV int saleae_logic16_start_acquisition(const struct sr_dev_inst *sdi);
+SR_PRIV int saleae_logic16_abort_acquisition(const struct sr_dev_inst *sdi);
+SR_PRIV int saleae_logic16_init_device(const struct sr_dev_inst *sdi);
+SR_PRIV void saleae_logic16_receive_transfer(struct libusb_transfer *transfer);
#endif