X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fsaleae-logic16%2Fprotocol.h;h=db19498a12a19925f063b233a1015b0fdf5b2038;hb=ab988ecb237c6aa8510eaa4a53e4e3d1ba78fd9b;hp=a13f1858e507e599df9c51b0a0aed159553bdb2e;hpb=5eea4305ad108b8549257170985688004e65d00b;p=libsigrok.git diff --git a/hardware/saleae-logic16/protocol.h b/hardware/saleae-logic16/protocol.h index a13f1858..db19498a 100644 --- a/hardware/saleae-logic16/protocol.h +++ b/hardware/saleae-logic16/protocol.h @@ -2,6 +2,8 @@ * This file is part of the libsigrok project. * * Copyright (C) 2013 Marcus Comstedt + * Copyright (C) 2013 Bert Vermeulen + * Copyright (C) 2012 Joel Holdsworth * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -25,14 +27,13 @@ #include "libsigrok.h" #include "libsigrok-internal.h" -/* Message logging helpers with subsystem-specific prefix string. */ -#define LOG_PREFIX "saleae-logic16: " -#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args) -#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args) -#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args) -#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args) -#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args) -#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args) +#define LOG_PREFIX "saleae-logic16" + +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 { @@ -46,8 +47,42 @@ struct dev_context { /** 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; + + /** The input voltage selected by the user. */ + enum voltage_range selected_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; + struct sr_context *ctx; }; -SR_PRIV int saleae_logic16_receive_data(int fd, int revents, void *cb_data); +SR_PRIV int logic16_setup_acquisition(const struct sr_dev_inst *sdi, + uint64_t samplerate, uint16_t channels); +SR_PRIV int logic16_start_acquisition(const struct sr_dev_inst *sdi); +SR_PRIV int logic16_abort_acquisition(const struct sr_dev_inst *sdi); +SR_PRIV int logic16_init_device(const struct sr_dev_inst *sdi); +SR_PRIV void logic16_receive_transfer(struct libusb_transfer *transfer); #endif