libsigrok/hardware/hantek-dso/dso.h

227 lines
5.4 KiB
C

/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
* With protocol information from the hantekdso project,
* Copyright (C) 2008 Oleg Khudyakov <prcoder@gmail.com>
*
* 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
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBSIGROK_HARDWARE_HANTEK_DSO_DSO_H
#define LIBSIGROK_HARDWARE_HANTEK_DSO_DSO_H
/* Message logging helpers with subsystem-specific prefix string. */
#define LOG_PREFIX "hantek-dso: "
#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 USB_INTERFACE 0
#define USB_CONFIGURATION 1
#define DSO_EP_IN 0x86
#define DSO_EP_OUT 0x02
/* FX2 renumeration delay in ms */
#define MAX_RENUM_DELAY_MS 3000
#define MAX_CAPTURE_EMPTY 3
#define DEFAULT_VOLTAGE VDIV_500MV
#define DEFAULT_FRAMESIZE FRAMESIZE_SMALL
#define DEFAULT_TIMEBASE TIME_100us
#define DEFAULT_TRIGGER_SOURCE "CH1"
#define DEFAULT_COUPLING COUPLING_DC
#define DEFAULT_HORIZ_TRIGGERPOS 0.5
#define DEFAULT_VERT_OFFSET 0.5
#define DEFAULT_VERT_TRIGGERPOS 0.5
#define MAX_VERT_TRIGGER 0xfe
/* Hantek DSO-specific protocol values */
#define EEPROM_CHANNEL_OFFSETS 0x08
/* All models have this for their "fast" mode. */
#define FRAMESIZE_SMALL 10240
enum control_requests {
CTRL_READ_EEPROM = 0xa2,
CTRL_GETSPEED = 0xb2,
CTRL_BEGINCOMMAND = 0xb3,
CTRL_SETOFFSET = 0xb4,
CTRL_SETRELAYS = 0xb5,
};
enum dso_commands {
CMD_SET_FILTERS = 0,
CMD_SET_TRIGGER_SAMPLERATE,
CMD_FORCE_TRIGGER,
CMD_CAPTURE_START,
CMD_ENABLE_TRIGGER,
CMD_GET_CHANNELDATA,
CMD_GET_CAPTURESTATE,
CMD_SET_VOLTAGE,
/* unused */
CMD_SET_LOGICALDATA,
CMD_GET_LOGICALDATA,
};
/* Must match the coupling table. */
enum couplings {
COUPLING_AC = 0,
COUPLING_DC,
/* TODO not used, how to enable? */
COUPLING_GND,
};
/* Must match the timebases table. */
enum time_bases {
TIME_10us = 0,
TIME_20us,
TIME_40us,
TIME_100us,
TIME_200us,
TIME_400us,
TIME_1ms,
TIME_2ms,
TIME_4ms,
TIME_10ms,
TIME_20ms,
TIME_40ms,
TIME_100ms,
TIME_200ms,
TIME_400ms,
};
/* Must match the vdivs table. */
enum {
VDIV_10MV,
VDIV_20MV,
VDIV_50MV,
VDIV_100MV,
VDIV_200MV,
VDIV_500MV,
VDIV_1V,
VDIV_2V,
VDIV_5V,
};
enum trigger_slopes {
SLOPE_POSITIVE = 0,
SLOPE_NEGATIVE,
};
enum trigger_sources {
TRIGGER_CH2 = 0,
TRIGGER_CH1,
TRIGGER_EXT,
};
enum capturestates {
CAPTURE_EMPTY = 0,
CAPTURE_FILLING = 1,
CAPTURE_READY_8BIT = 2,
CAPTURE_READY_9BIT = 7,
CAPTURE_TIMEOUT = 127,
CAPTURE_UNKNOWN = 255,
};
enum triggermodes {
TRIGGERMODE_AUTO,
TRIGGERMODE_NORMAL,
TRIGGERMODE_SINGLE,
};
enum states {
IDLE,
NEW_CAPTURE,
CAPTURE,
FETCH_DATA,
STOPPING,
};
struct dso_profile {
/* VID/PID after cold boot */
uint16_t orig_vid;
uint16_t orig_pid;
/* VID/PID after firmware upload */
uint16_t fw_vid;
uint16_t fw_pid;
char *vendor;
char *model;
const uint64_t *buffersizes;
char *firmware;
};
struct dev_context {
const struct dso_profile *profile;
void *cb_data;
uint64_t limit_frames;
uint64_t num_frames;
GSList *enabled_probes;
/* We can't keep track of an FX2-based device after upgrading
* the firmware (it re-enumerates 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;
int epin_maxpacketsize;
int capture_empty_count;
int dev_state;
/* Oscilloscope settings. */
int timebase;
gboolean ch1_enabled;
gboolean ch2_enabled;
int voltage_ch1;
int voltage_ch2;
int coupling_ch1;
int coupling_ch2;
// voltage offset (vertical position)
float voffset_ch1;
float voffset_ch2;
float voffset_trigger;
uint16_t channel_levels[2][9][2];
unsigned int framesize;
gboolean filter_ch1;
gboolean filter_ch2;
gboolean filter_trigger;
int triggerslope;
char *triggersource;
float triggerposition;
int triggermode;
/* Frame transfer */
unsigned int samp_received;
unsigned int samp_buffered;
unsigned int trigger_offset;
unsigned char *framebuf;
};
SR_PRIV int dso_open(struct sr_dev_inst *sdi);
SR_PRIV void dso_close(struct sr_dev_inst *sdi);
SR_PRIV int dso_enable_trigger(const struct sr_dev_inst *sdi);
SR_PRIV int dso_force_trigger(const struct sr_dev_inst *sdi);
SR_PRIV int dso_init(const struct sr_dev_inst *sdi);
SR_PRIV int dso_get_capturestate(const struct sr_dev_inst *sdi,
uint8_t *capturestate, uint32_t *trigger_offset);
SR_PRIV int dso_capture_start(const struct sr_dev_inst *sdi);
SR_PRIV int dso_get_channeldata(const struct sr_dev_inst *sdi,
libusb_transfer_cb_fn cb);
#endif