greatfet: first operational GreatFET One driver implementation

[libsigrok.git] / src / hardware / greatfet / protocol.h

diff --git a/src/hardware/greatfet/protocol.h b/src/hardware/greatfet/protocol.h
index fc61b6800916c76b3921e8c51239220bdd841805..e5a4b8add55d09fa79c1466e920b91522590366d 100644 (file)
--- a/src/hardware/greatfet/protocol.h
+++ b/src/hardware/greatfet/protocol.h
@@ -1,6 +1,8 @@
 /*
  * This file is part of the libsigrok project.
  *
+ * Copyright (C) 2019 Katherine J. Temkin <k@ktemkin.com>
+ * Copyright (C) 2019 Mikaela Szekely <qyriad@gmail.com>
  * Copyright (C) 2023 Gerhard Sittig <gerhard.sittig@gmx.net>
  *
  * This program is free software: you can redistribute it and/or modify
@@ -20,16 +22,65 @@
 #ifndef LIBSIGROK_HARDWARE_GREATFET_PROTOCOL_H
 #define LIBSIGROK_HARDWARE_GREATFET_PROTOCOL_H
 
-#include <stdint.h>
 #include <glib.h>
 #include <libsigrok/libsigrok.h>
+#include <stdint.h>
+
 #include "libsigrok-internal.h"
 
 #define LOG_PREFIX "greatfet"
 
 struct dev_context {
+       struct sr_dev_inst *sdi;
+       GString *usb_comm_buffer;
+       char *firmware_version;
+       char *serial_number;
+       size_t channel_count;
+       char **channel_names;
+       struct sr_sw_limits sw_limits;
+       uint64_t samplerate;
+       struct dev_acquisition_t {
+               uint64_t bandwidth_threshold;
+               size_t unit_size;
+               struct feed_queue_logic *feed_queue;
+               size_t capture_channels;
+               size_t channel_shift;
+               size_t points_per_byte;
+               uint64_t capture_samplerate;
+               size_t firmware_bufsize;
+               uint8_t samples_endpoint;
+               uint8_t control_interface;
+               uint8_t samples_interface;
+               enum {
+                       ACQ_IDLE,
+                       ACQ_PREPARE,
+                       ACQ_RECEIVE,
+                       ACQ_SHUTDOWN,
+               } acquisition_state;
+               gboolean frame_begin_sent;
+               gboolean control_interface_claimed;
+               gboolean samples_interface_claimed;
+               gboolean start_req_sent;
+       } acquisition;
+       struct dev_transfers_t {
+               size_t transfer_bufsize;
+               size_t transfers_count;
+               uint8_t *transfer_buffer;
+               struct libusb_transfer **transfers;
+               size_t active_transfers;
+               size_t capture_bufsize;
+       } transfers;
 };
 
+SR_PRIV int greatfet_get_serial_number(const struct sr_dev_inst *sdi);
+SR_PRIV int greatfet_get_version_number(const struct sr_dev_inst *sdi);
+
+SR_PRIV int greatfet_setup_acquisition(const struct sr_dev_inst *sdi);
+SR_PRIV int greatfet_start_acquisition(const struct sr_dev_inst *sdi);
+SR_PRIV void greatfet_abort_acquisition(const struct sr_dev_inst *sdi);
+SR_PRIV int greatfet_stop_acquisition(const struct sr_dev_inst *sdi);
+SR_PRIV void greatfet_release_resources(const struct sr_dev_inst *sdi);
+
 SR_PRIV int greatfet_receive_data(int fd, int revents, void *cb_data);
 
 #endif