saleae-logic16: Implemented acquisition.

[libsigrok.git] / hardware / saleae-logic16 / protocol.h

diff --git a/hardware/saleae-logic16/protocol.h b/hardware/saleae-logic16/protocol.h
index 0551712f1bdafab7ac0d4c2064ca7501e99fb675..80b20f95643ad14fa0d7fd232b3ac4fcd11eafe0 100644 (file)
--- a/hardware/saleae-logic16/protocol.h
+++ b/hardware/saleae-logic16/protocol.h
@@ -34,12 +34,60 @@
 #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 {
+       /*
+        * 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;
+
+       /** Channels to use */
+       uint16_t cur_channels;
+
+       /*
+        * EEPROM data from address 8
+        */
+       uint8_t eeprom_data[8];
+
+       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