endif
if HW_HANTEK_DSO
src_libdrivers_la_SOURCES += \
- src/hardware/hantek-dso/dso.h \
- src/hardware/hantek-dso/dso.c \
+ src/hardware/hantek-dso/protocol.h \
+ src/hardware/hantek-dso/protocol.c \
src/hardware/hantek-dso/api.c
endif
if HW_HP_3457A
#include <libusb.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
-#include "dso.h"
+#include "protocol.h"
/* Max time in ms before we want to check on USB events */
/* TODO tune this properly */
+++ /dev/null
-/*
- * 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/>.
- */
-
-#include <config.h>
-#include <string.h>
-#include <glib.h>
-#include <libusb.h>
-#include <libsigrok/libsigrok.h>
-#include "libsigrok-internal.h"
-#include "dso.h"
-
-#define NUM_CHANNELS 2
-
-static int send_begin(const struct sr_dev_inst *sdi)
-{
- struct sr_usb_dev_inst *usb;
- int ret;
- unsigned char buffer[] = {0x0f, 0x03, 0x03, 0x03, 0x68, 0xac, 0xfe,
- 0x00, 0x01, 0x00};
-
- sr_dbg("Sending CTRL_BEGINCOMMAND.");
-
- usb = sdi->conn;
- if ((ret = libusb_control_transfer(usb->devhdl,
- LIBUSB_REQUEST_TYPE_VENDOR, CTRL_BEGINCOMMAND,
- 0, 0, buffer, sizeof(buffer), 200)) != sizeof(buffer)) {
- sr_err("Failed to send begincommand: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
-
- return SR_OK;
-}
-
-static int send_bulkcmd(const struct sr_dev_inst *sdi, uint8_t *cmdstring, int cmdlen)
-{
- struct sr_usb_dev_inst *usb;
- int ret, tmp;
-
- usb = sdi->conn;
-
- if (send_begin(sdi) != SR_OK)
- return SR_ERR;
-
- if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT, cmdstring,
- cmdlen, &tmp, 200)) != 0)
- return SR_ERR;
-
- return SR_OK;
-}
-
-static int dso_getmps(libusb_device *dev)
-{
- struct libusb_device_descriptor des;
- struct libusb_config_descriptor *conf_dsc;
- const struct libusb_interface_descriptor *intf_dsc;
- int mps;
-
- libusb_get_device_descriptor(dev, &des);
-
- if (des.bNumConfigurations != 1)
- return 0;
-
- if (libusb_get_config_descriptor(dev, 0, &conf_dsc) != 0)
- return 0;
-
- mps = 0;
- intf_dsc = &(conf_dsc->interface[0].altsetting[0]);
- if (intf_dsc->bNumEndpoints != 2)
- goto err;
-
- if ((intf_dsc->endpoint[0].bEndpointAddress & 0x8f) !=
- (2 | LIBUSB_ENDPOINT_OUT))
- /* The first endpoint should be 2 (outbound). */
- goto err;
-
- if ((intf_dsc->endpoint[1].bEndpointAddress & 0x8f) !=
- (6 | LIBUSB_ENDPOINT_IN))
- /* The second endpoint should be 6 (inbound). */
- goto err;
-
- mps = intf_dsc->endpoint[1].wMaxPacketSize;
-
-err:
- if (conf_dsc)
- libusb_free_config_descriptor(conf_dsc);
-
- return mps;
-}
-
-SR_PRIV int dso_open(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct drv_context *drvc = sdi->driver->context;
- struct sr_usb_dev_inst *usb;
- struct libusb_device_descriptor des;
- libusb_device **devlist;
- int err, i;
- char connection_id[64];
-
- devc = sdi->priv;
- usb = sdi->conn;
-
- if (sdi->status == SR_ST_ACTIVE)
- /* already in use */
- return SR_ERR;
-
- libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
- for (i = 0; devlist[i]; i++) {
- libusb_get_device_descriptor(devlist[i], &des);
-
- if (des.idVendor != devc->profile->fw_vid
- || des.idProduct != devc->profile->fw_pid)
- continue;
-
- if ((sdi->status == SR_ST_INITIALIZING) ||
- (sdi->status == SR_ST_INACTIVE)) {
- /*
- * Check device by its physical USB bus/port address.
- */
- usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
- if (strcmp(sdi->connection_id, connection_id))
- /* This is not the one. */
- continue;
- }
-
- if (!(err = libusb_open(devlist[i], &usb->devhdl))) {
- if (usb->address == 0xff)
- /*
- * first time we touch this device after firmware upload,
- * so we don't know the address yet.
- */
- usb->address = libusb_get_device_address(devlist[i]);
-
- if (!(devc->epin_maxpacketsize = dso_getmps(devlist[i])))
- sr_err("Wrong endpoint profile.");
- else {
- sdi->status = SR_ST_ACTIVE;
- sr_info("Opened device on %d.%d (logical) / "
- "%s (physical) interface %d.",
- usb->bus, usb->address,
- sdi->connection_id, USB_INTERFACE);
- }
- } else {
- sr_err("Failed to open device: %s.",
- libusb_error_name(err));
- }
-
- /* If we made it here, we handled the device (somehow). */
- break;
- }
- libusb_free_device_list(devlist, 1);
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
-
- return SR_OK;
-}
-
-SR_PRIV void dso_close(struct sr_dev_inst *sdi)
-{
- struct sr_usb_dev_inst *usb;
-
- usb = sdi->conn;
-
- if (!usb->devhdl)
- return;
-
- sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.",
- usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
- libusb_release_interface(usb->devhdl, USB_INTERFACE);
- libusb_close(usb->devhdl);
- usb->devhdl = NULL;
- sdi->status = SR_ST_INACTIVE;
-
-}
-
-static int get_channel_offsets(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- GString *gs;
- int chan, v, ret;
-
- sr_dbg("Getting channel offsets.");
-
- devc = sdi->priv;
- usb = sdi->conn;
-
- ret = libusb_control_transfer(usb->devhdl,
- LIBUSB_ENDPOINT_IN | LIBUSB_REQUEST_TYPE_VENDOR,
- CTRL_READ_EEPROM, EEPROM_CHANNEL_OFFSETS, 0,
- (unsigned char *)&devc->channel_levels,
- sizeof(devc->channel_levels), 200);
- if (ret != sizeof(devc->channel_levels)) {
- sr_err("Failed to get channel offsets: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
-
- /* Comes in as 16-bit numbers with the second byte always 0 on
- * the DSO-2090. Guessing this is supposed to be big-endian,
- * since that's how voltage offsets are submitted back to the DSO.
- * Convert to host order now, so we can use them natively.
- */
- for (chan = 0; chan < NUM_CHANNELS; chan++) {
- for (v = 0; v < 9; v++) {
- devc->channel_levels[chan][v][0] =
- g_ntohs(devc->channel_levels[chan][v][0]);
- devc->channel_levels[chan][v][1] =
- g_ntohs(devc->channel_levels[chan][v][1]);
- }
- }
-
- if (sr_log_loglevel_get() >= SR_LOG_DBG) {
- gs = g_string_sized_new(128);
- for (chan = 0; chan < NUM_CHANNELS; chan++) {
- g_string_printf(gs, "CH%d:", chan + 1);
- for (v = 0; v < 9; v++) {
- g_string_append_printf(gs, " %.4x-%.4x",
- devc->channel_levels[chan][v][0],
- devc->channel_levels[chan][v][1]);
- }
- sr_dbg("%s", gs->str);
- }
- g_string_free(gs, TRUE);
- }
-
- return SR_OK;
-}
-
-static int dso_set_trigger_samplerate(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- int ret, tmp;
- uint8_t cmdstring[12];
- uint16_t timebase_small[] = { 0xffff, 0xfffc, 0xfff7, 0xffe8, 0xffce,
- 0xff9c, 0xff07, 0xfe0d, 0xfc19, 0xf63d, 0xec79, 0xd8f1 };
- uint16_t timebase_large[] = { 0xffff, 0x0000, 0xfffc, 0xfff7, 0xffe8,
- 0xffce, 0xff9d, 0xff07, 0xfe0d, 0xfc19, 0xf63d, 0xec79 };
-
- sr_dbg("Preparing CMD_SET_TRIGGER_SAMPLERATE.");
-
- devc = sdi->priv;
- usb = sdi->conn;
-
- memset(cmdstring, 0, sizeof(cmdstring));
- /* Command */
- cmdstring[0] = CMD_SET_TRIGGER_SAMPLERATE;
-
- /* Trigger source */
- sr_dbg("Trigger source %s.", devc->triggersource);
- if (!strcmp("CH2", devc->triggersource))
- tmp = 0;
- else if (!strcmp("CH1", devc->triggersource))
- tmp = 1;
- else if (!strcmp("EXT", devc->triggersource))
- tmp = 2;
- else {
- sr_err("Invalid trigger source: '%s'.", devc->triggersource);
- return SR_ERR_ARG;
- }
- cmdstring[2] = tmp;
-
- /* Frame size */
- sr_dbg("Frame size: %d.", devc->framesize);
- cmdstring[2] |= (devc->framesize == FRAMESIZE_SMALL ? 0x01 : 0x02) << 2;
-
- /* Timebase fast */
- sr_dbg("Time base index: %d.", devc->timebase);
- if (devc->framesize == FRAMESIZE_SMALL) {
- if (devc->timebase < TIME_20us)
- tmp = 0;
- else if (devc->timebase == TIME_20us)
- tmp = 1;
- else if (devc->timebase == TIME_40us)
- tmp = 2;
- else if (devc->timebase == TIME_100us)
- tmp = 3;
- else if (devc->timebase >= TIME_200us)
- tmp = 4;
- } else {
- if (devc->timebase < TIME_40us) {
- sr_err("Timebase < 40us only supported with 10K buffer.");
- return SR_ERR_ARG;
- }
- else if (devc->timebase == TIME_40us)
- tmp = 0;
- else if (devc->timebase == TIME_100us)
- tmp = 2;
- else if (devc->timebase == TIME_200us)
- tmp = 3;
- else if (devc->timebase >= TIME_400us)
- tmp = 4;
- }
- cmdstring[2] |= (tmp & 0x07) << 5;
-
- /* Enabled channels: 00=CH1 01=CH2 10=both */
- sr_dbg("Channels CH1=%d CH2=%d", devc->ch_enabled[0], devc->ch_enabled[1]);
- tmp = (((devc->ch_enabled[1] ? 1 : 0) << 1) + (devc->ch_enabled[0] ? 1 : 0)) - 1;
- cmdstring[3] = tmp;
-
- /* Fast rates channel */
- /* TODO: Is this right? */
- tmp = devc->timebase < TIME_10us ? 1 : 0;
- cmdstring[3] |= tmp << 2;
-
- /* Trigger slope: 0=positive 1=negative */
- /* TODO: Does this work? */
- sr_dbg("Trigger slope: %d.", devc->triggerslope);
- cmdstring[3] |= (devc->triggerslope == SLOPE_NEGATIVE ? 1 : 0) << 3;
-
- /* Timebase slow */
- if (devc->timebase < TIME_100us)
- tmp = 0;
- else if (devc->timebase > TIME_400ms)
- tmp = 0xffed;
- else {
- if (devc->framesize == FRAMESIZE_SMALL)
- tmp = timebase_small[devc->timebase - 3];
- else
- tmp = timebase_large[devc->timebase - 3];
- }
- cmdstring[4] = tmp & 0xff;
- cmdstring[5] = (tmp >> 8) & 0xff;
-
- /* Horizontal trigger position */
- sr_dbg("Trigger position: %3.2f.", devc->triggerposition);
- tmp = 0x77fff + 0x8000 * devc->triggerposition;
- cmdstring[6] = tmp & 0xff;
- cmdstring[7] = (tmp >> 8) & 0xff;
- cmdstring[10] = (tmp >> 16) & 0xff;
-
- if (send_begin(sdi) != SR_OK)
- return SR_ERR;
-
- if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
- cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
- sr_err("Failed to set trigger/samplerate: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
- sr_dbg("Sent CMD_SET_TRIGGER_SAMPLERATE.");
-
- return SR_OK;
-}
-
-static int dso_set_filters(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- int ret, tmp;
- uint8_t cmdstring[8];
-
- sr_dbg("Preparing CMD_SET_FILTERS.");
-
- devc = sdi->priv;
- usb = sdi->conn;
-
- memset(cmdstring, 0, sizeof(cmdstring));
- cmdstring[0] = CMD_SET_FILTERS;
- cmdstring[1] = 0x0f;
- if (devc->filter[0]) {
- sr_dbg("Turning on CH1 filter.");
- cmdstring[2] |= 0x80;
- }
- if (devc->filter[1]) {
- sr_dbg("Turning on CH2 filter.");
- cmdstring[2] |= 0x40;
- }
- /*
- * Not supported: filtering on the trigger
- * cmdstring[2] |= 0x20;
- */
-
- if (send_begin(sdi) != SR_OK)
- return SR_ERR;
-
- if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
- cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
- sr_err("Failed to set filters: %s.", libusb_error_name(ret));
- return SR_ERR;
- }
- sr_dbg("Sent CMD_SET_FILTERS.");
-
- return SR_OK;
-}
-
-static int dso_set_voltage(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- int ret, tmp;
- uint8_t cmdstring[8];
-
- sr_dbg("Preparing CMD_SET_VOLTAGE.");
-
- devc = sdi->priv;
- usb = sdi->conn;
-
- memset(cmdstring, 0, sizeof(cmdstring));
- cmdstring[0] = CMD_SET_VOLTAGE;
- cmdstring[1] = 0x0f;
- cmdstring[2] = 0x30;
-
- /* CH1 volts/div is encoded in bits 0-1 */
- sr_dbg("CH1 vdiv index: %d.", devc->voltage[0]);
- switch (devc->voltage[0]) {
- case VDIV_1V:
- case VDIV_100MV:
- case VDIV_10MV:
- cmdstring[2] |= 0x00;
- break;
- case VDIV_2V:
- case VDIV_200MV:
- case VDIV_20MV:
- cmdstring[2] |= 0x01;
- break;
- case VDIV_5V:
- case VDIV_500MV:
- case VDIV_50MV:
- cmdstring[2] |= 0x02;
- break;
- }
-
- /* CH2 volts/div is encoded in bits 2-3 */
- sr_dbg("CH2 vdiv index: %d.", devc->voltage[1]);
- switch (devc->voltage[1]) {
- case VDIV_1V:
- case VDIV_100MV:
- case VDIV_10MV:
- cmdstring[2] |= 0x00;
- break;
- case VDIV_2V:
- case VDIV_200MV:
- case VDIV_20MV:
- cmdstring[2] |= 0x04;
- break;
- case VDIV_5V:
- case VDIV_500MV:
- case VDIV_50MV:
- cmdstring[2] |= 0x08;
- break;
- }
-
- if (send_begin(sdi) != SR_OK)
- return SR_ERR;
-
- if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
- cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
- sr_err("Failed to set voltage: %s.", libusb_error_name(ret));
- return SR_ERR;
- }
- sr_dbg("Sent CMD_SET_VOLTAGE.");
-
- return SR_OK;
-}
-
-static int dso_set_relays(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- GString *gs;
- int ret, i;
- uint8_t relays[17] = { 0x00, 0x04, 0x08, 0x02, 0x20, 0x40, 0x10, 0x01,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-
- sr_dbg("Preparing CTRL_SETRELAYS.");
-
- devc = sdi->priv;
- usb = sdi->conn;
-
- if (devc->voltage[0] < VDIV_1V)
- relays[1] = ~relays[1];
-
- if (devc->voltage[0] < VDIV_100MV)
- relays[2] = ~relays[2];
-
- sr_dbg("CH1 coupling: %d.", devc->coupling[0]);
- if (devc->coupling[0] != COUPLING_AC)
- relays[3] = ~relays[3];
-
- if (devc->voltage[1] < VDIV_1V)
- relays[4] = ~relays[4];
-
- if (devc->voltage[1] < VDIV_100MV)
- relays[5] = ~relays[5];
-
- sr_dbg("CH2 coupling: %d.", devc->coupling[1]);
- if (devc->coupling[1] != COUPLING_AC)
- relays[6] = ~relays[6];
-
- if (!strcmp(devc->triggersource, "EXT"))
- relays[7] = ~relays[7];
-
- if (sr_log_loglevel_get() >= SR_LOG_DBG) {
- gs = g_string_sized_new(128);
- g_string_printf(gs, "Relays:");
- for (i = 0; i < 17; i++)
- g_string_append_printf(gs, " %.2x", relays[i]);
- sr_dbg("%s", gs->str);
- g_string_free(gs, TRUE);
- }
-
- if ((ret = libusb_control_transfer(usb->devhdl,
- LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETRELAYS,
- 0, 0, relays, 17, 100)) != sizeof(relays)) {
- sr_err("Failed to set relays: %s.", libusb_error_name(ret));
- return SR_ERR;
- }
- sr_dbg("Sent CTRL_SETRELAYS.");
-
- return SR_OK;
-}
-
-static int dso_set_voffsets(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- int offset, ret;
- uint16_t *ch_levels;
- uint8_t offsets[17];
-
- sr_dbg("Preparing CTRL_SETOFFSET.");
-
- devc = sdi->priv;
- usb = sdi->conn;
-
- memset(offsets, 0, sizeof(offsets));
- /* Channel 1 */
- ch_levels = devc->channel_levels[0][devc->voltage[0]];
- offset = (ch_levels[1] - ch_levels[0]) * devc->voffset_ch1 + ch_levels[0];
- offsets[0] = (offset >> 8) | 0x20;
- offsets[1] = offset & 0xff;
- sr_dbg("CH1 offset: %3.2f (%.2x%.2x).", devc->voffset_ch1,
- offsets[0], offsets[1]);
-
- /* Channel 2 */
- ch_levels = devc->channel_levels[1][devc->voltage[1]];
- offset = (ch_levels[1] - ch_levels[0]) * devc->voffset_ch2 + ch_levels[0];
- offsets[2] = (offset >> 8) | 0x20;
- offsets[3] = offset & 0xff;
- sr_dbg("CH2 offset: %3.2f (%.2x%.2x).", devc->voffset_ch2,
- offsets[2], offsets[3]);
-
- /* Trigger */
- offset = MAX_VERT_TRIGGER * devc->voffset_trigger;
- offsets[4] = (offset >> 8) | 0x20;
- offsets[5] = offset & 0xff;
- sr_dbg("Trigger offset: %3.2f (%.2x%.2x).", devc->voffset_trigger,
- offsets[4], offsets[5]);
-
- if ((ret = libusb_control_transfer(usb->devhdl,
- LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETOFFSET,
- 0, 0, offsets, sizeof(offsets), 100)) != sizeof(offsets)) {
- sr_err("Failed to set offsets: %s.", libusb_error_name(ret));
- return SR_ERR;
- }
- sr_dbg("Sent CTRL_SETOFFSET.");
-
- return SR_OK;
-}
-
-SR_PRIV int dso_enable_trigger(const struct sr_dev_inst *sdi)
-{
- struct sr_usb_dev_inst *usb;
- int ret, tmp;
- uint8_t cmdstring[2];
-
- sr_dbg("Sending CMD_ENABLE_TRIGGER.");
-
- usb = sdi->conn;
-
- memset(cmdstring, 0, sizeof(cmdstring));
- cmdstring[0] = CMD_ENABLE_TRIGGER;
- cmdstring[1] = 0x00;
-
- if (send_begin(sdi) != SR_OK)
- return SR_ERR;
-
- if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
- cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
- sr_err("Failed to enable trigger: %s.", libusb_error_name(ret));
- return SR_ERR;
- }
-
- return SR_OK;
-}
-
-SR_PRIV int dso_force_trigger(const struct sr_dev_inst *sdi)
-{
- struct sr_usb_dev_inst *usb;
- int ret, tmp;
- uint8_t cmdstring[2];
-
- sr_dbg("Sending CMD_FORCE_TRIGGER.");
-
- usb = sdi->conn;
-
- memset(cmdstring, 0, sizeof(cmdstring));
- cmdstring[0] = CMD_FORCE_TRIGGER;
- cmdstring[1] = 0x00;
-
- if (send_begin(sdi) != SR_OK)
- return SR_ERR;
-
- if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
- cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
- sr_err("Failed to force trigger: %s.", libusb_error_name(ret));
- return SR_ERR;
- }
-
- return SR_OK;
-}
-
-SR_PRIV int dso_init(const struct sr_dev_inst *sdi)
-{
-
- sr_dbg("Initializing DSO.");
-
- if (get_channel_offsets(sdi) != SR_OK)
- return SR_ERR;
-
- if (dso_set_trigger_samplerate(sdi) != SR_OK)
- return SR_ERR;
-
- if (dso_set_filters(sdi) != SR_OK)
- return SR_ERR;
-
- if (dso_set_voltage(sdi) != SR_OK)
- return SR_ERR;
-
- if (dso_set_relays(sdi) != SR_OK)
- return SR_ERR;
-
- if (dso_set_voffsets(sdi) != SR_OK)
- return SR_ERR;
-
- if (dso_enable_trigger(sdi) != SR_OK)
- return SR_ERR;
-
- return SR_OK;
-}
-
-SR_PRIV int dso_get_capturestate(const struct sr_dev_inst *sdi,
- uint8_t *capturestate, uint32_t *trigger_offset)
-{
- struct sr_usb_dev_inst *usb;
- int ret, tmp, i;
- unsigned int bitvalue, toff;
- uint8_t cmdstring[2], inbuf[512];
-
- sr_dbg("Sending CMD_GET_CAPTURESTATE.");
-
- usb = sdi->conn;
-
- cmdstring[0] = CMD_GET_CAPTURESTATE;
- cmdstring[1] = 0;
-
- if ((ret = send_bulkcmd(sdi, cmdstring, sizeof(cmdstring))) != SR_OK) {
- sr_dbg("Failed to send get_capturestate command: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
-
- if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_IN,
- inbuf, 512, &tmp, 100)) != 0) {
- sr_dbg("Failed to get capturestate: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
- *capturestate = inbuf[0];
- toff = (inbuf[1] << 16) | (inbuf[3] << 8) | inbuf[2];
-
- /*
- * This conversion comes from the openhantek project.
- * Each set bit in the 24-bit value inverts all bits with a lower
- * value. No idea why the device reports the trigger point this way.
- */
- bitvalue = 1;
- for (i = 0; i < 24; i++) {
- /* Each set bit inverts all bits with a lower value. */
- if (toff & bitvalue)
- toff ^= bitvalue - 1;
- bitvalue <<= 1;
- }
- *trigger_offset = toff;
-
- return SR_OK;
-}
-
-SR_PRIV int dso_capture_start(const struct sr_dev_inst *sdi)
-{
- int ret;
- uint8_t cmdstring[2];
-
- sr_dbg("Sending CMD_CAPTURE_START.");
-
- cmdstring[0] = CMD_CAPTURE_START;
- cmdstring[1] = 0;
-
- if ((ret = send_bulkcmd(sdi, cmdstring, sizeof(cmdstring))) != SR_OK) {
- sr_err("Failed to send capture_start command: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
-
- return SR_OK;
-}
-
-SR_PRIV int dso_get_channeldata(const struct sr_dev_inst *sdi,
- libusb_transfer_cb_fn cb)
-{
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- struct libusb_transfer *transfer;
- int num_transfers, ret, i;
- uint8_t cmdstring[2];
- unsigned char *buf;
-
- sr_dbg("Sending CMD_GET_CHANNELDATA.");
-
- devc = sdi->priv;
- usb = sdi->conn;
-
- cmdstring[0] = CMD_GET_CHANNELDATA;
- cmdstring[1] = 0;
-
- if ((ret = send_bulkcmd(sdi, cmdstring, sizeof(cmdstring))) != SR_OK) {
- sr_err("Failed to get channel data: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
-
- /* TODO: DSO-2xxx only. */
- num_transfers = devc->framesize *
- sizeof(unsigned short) / devc->epin_maxpacketsize;
- sr_dbg("Queueing up %d transfers.", num_transfers);
- for (i = 0; i < num_transfers; i++) {
- if (!(buf = g_try_malloc(devc->epin_maxpacketsize))) {
- sr_err("Failed to malloc USB endpoint buffer.");
- return SR_ERR_MALLOC;
- }
- transfer = libusb_alloc_transfer(0);
- libusb_fill_bulk_transfer(transfer, usb->devhdl, DSO_EP_IN, buf,
- devc->epin_maxpacketsize, cb, (void *)sdi, 40);
- if ((ret = libusb_submit_transfer(transfer)) != 0) {
- sr_err("Failed to submit transfer: %s.",
- libusb_error_name(ret));
- /* TODO: Free them all. */
- libusb_free_transfer(transfer);
- g_free(buf);
- return SR_ERR;
- }
- }
-
- return SR_OK;
-}
+++ /dev/null
-/*
- * 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
-
-#define LOG_PREFIX "hantek-dso"
-
-#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 (10 * 1024)
-
-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;
- const char *vendor;
- const char *model;
- const uint64_t *buffersizes;
- const char *firmware;
-};
-
-struct dev_context {
- const struct dso_profile *profile;
- uint64_t limit_frames;
- uint64_t num_frames;
- GSList *enabled_channels;
- /* 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 ch_enabled[2];
- int voltage[2];
- int coupling[2];
- // 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[2];
- 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
--- /dev/null
+/*
+ * 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/>.
+ */
+
+#include <config.h>
+#include <string.h>
+#include <glib.h>
+#include <libusb.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+#include "protocol.h"
+
+#define NUM_CHANNELS 2
+
+static int send_begin(const struct sr_dev_inst *sdi)
+{
+ struct sr_usb_dev_inst *usb;
+ int ret;
+ unsigned char buffer[] = {0x0f, 0x03, 0x03, 0x03, 0x68, 0xac, 0xfe,
+ 0x00, 0x01, 0x00};
+
+ sr_dbg("Sending CTRL_BEGINCOMMAND.");
+
+ usb = sdi->conn;
+ if ((ret = libusb_control_transfer(usb->devhdl,
+ LIBUSB_REQUEST_TYPE_VENDOR, CTRL_BEGINCOMMAND,
+ 0, 0, buffer, sizeof(buffer), 200)) != sizeof(buffer)) {
+ sr_err("Failed to send begincommand: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+static int send_bulkcmd(const struct sr_dev_inst *sdi, uint8_t *cmdstring, int cmdlen)
+{
+ struct sr_usb_dev_inst *usb;
+ int ret, tmp;
+
+ usb = sdi->conn;
+
+ if (send_begin(sdi) != SR_OK)
+ return SR_ERR;
+
+ if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT, cmdstring,
+ cmdlen, &tmp, 200)) != 0)
+ return SR_ERR;
+
+ return SR_OK;
+}
+
+static int dso_getmps(libusb_device *dev)
+{
+ struct libusb_device_descriptor des;
+ struct libusb_config_descriptor *conf_dsc;
+ const struct libusb_interface_descriptor *intf_dsc;
+ int mps;
+
+ libusb_get_device_descriptor(dev, &des);
+
+ if (des.bNumConfigurations != 1)
+ return 0;
+
+ if (libusb_get_config_descriptor(dev, 0, &conf_dsc) != 0)
+ return 0;
+
+ mps = 0;
+ intf_dsc = &(conf_dsc->interface[0].altsetting[0]);
+ if (intf_dsc->bNumEndpoints != 2)
+ goto err;
+
+ if ((intf_dsc->endpoint[0].bEndpointAddress & 0x8f) !=
+ (2 | LIBUSB_ENDPOINT_OUT))
+ /* The first endpoint should be 2 (outbound). */
+ goto err;
+
+ if ((intf_dsc->endpoint[1].bEndpointAddress & 0x8f) !=
+ (6 | LIBUSB_ENDPOINT_IN))
+ /* The second endpoint should be 6 (inbound). */
+ goto err;
+
+ mps = intf_dsc->endpoint[1].wMaxPacketSize;
+
+err:
+ if (conf_dsc)
+ libusb_free_config_descriptor(conf_dsc);
+
+ return mps;
+}
+
+SR_PRIV int dso_open(struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct drv_context *drvc = sdi->driver->context;
+ struct sr_usb_dev_inst *usb;
+ struct libusb_device_descriptor des;
+ libusb_device **devlist;
+ int err, i;
+ char connection_id[64];
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ if (sdi->status == SR_ST_ACTIVE)
+ /* already in use */
+ return SR_ERR;
+
+ libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
+ for (i = 0; devlist[i]; i++) {
+ libusb_get_device_descriptor(devlist[i], &des);
+
+ if (des.idVendor != devc->profile->fw_vid
+ || des.idProduct != devc->profile->fw_pid)
+ continue;
+
+ if ((sdi->status == SR_ST_INITIALIZING) ||
+ (sdi->status == SR_ST_INACTIVE)) {
+ /*
+ * Check device by its physical USB bus/port address.
+ */
+ usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
+ if (strcmp(sdi->connection_id, connection_id))
+ /* This is not the one. */
+ continue;
+ }
+
+ if (!(err = libusb_open(devlist[i], &usb->devhdl))) {
+ if (usb->address == 0xff)
+ /*
+ * first time we touch this device after firmware upload,
+ * so we don't know the address yet.
+ */
+ usb->address = libusb_get_device_address(devlist[i]);
+
+ if (!(devc->epin_maxpacketsize = dso_getmps(devlist[i])))
+ sr_err("Wrong endpoint profile.");
+ else {
+ sdi->status = SR_ST_ACTIVE;
+ sr_info("Opened device on %d.%d (logical) / "
+ "%s (physical) interface %d.",
+ usb->bus, usb->address,
+ sdi->connection_id, USB_INTERFACE);
+ }
+ } else {
+ sr_err("Failed to open device: %s.",
+ libusb_error_name(err));
+ }
+
+ /* If we made it here, we handled the device (somehow). */
+ break;
+ }
+ libusb_free_device_list(devlist, 1);
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR;
+
+ return SR_OK;
+}
+
+SR_PRIV void dso_close(struct sr_dev_inst *sdi)
+{
+ struct sr_usb_dev_inst *usb;
+
+ usb = sdi->conn;
+
+ if (!usb->devhdl)
+ return;
+
+ sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.",
+ usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
+ libusb_release_interface(usb->devhdl, USB_INTERFACE);
+ libusb_close(usb->devhdl);
+ usb->devhdl = NULL;
+ sdi->status = SR_ST_INACTIVE;
+
+}
+
+static int get_channel_offsets(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ GString *gs;
+ int chan, v, ret;
+
+ sr_dbg("Getting channel offsets.");
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ ret = libusb_control_transfer(usb->devhdl,
+ LIBUSB_ENDPOINT_IN | LIBUSB_REQUEST_TYPE_VENDOR,
+ CTRL_READ_EEPROM, EEPROM_CHANNEL_OFFSETS, 0,
+ (unsigned char *)&devc->channel_levels,
+ sizeof(devc->channel_levels), 200);
+ if (ret != sizeof(devc->channel_levels)) {
+ sr_err("Failed to get channel offsets: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ /* Comes in as 16-bit numbers with the second byte always 0 on
+ * the DSO-2090. Guessing this is supposed to be big-endian,
+ * since that's how voltage offsets are submitted back to the DSO.
+ * Convert to host order now, so we can use them natively.
+ */
+ for (chan = 0; chan < NUM_CHANNELS; chan++) {
+ for (v = 0; v < 9; v++) {
+ devc->channel_levels[chan][v][0] =
+ g_ntohs(devc->channel_levels[chan][v][0]);
+ devc->channel_levels[chan][v][1] =
+ g_ntohs(devc->channel_levels[chan][v][1]);
+ }
+ }
+
+ if (sr_log_loglevel_get() >= SR_LOG_DBG) {
+ gs = g_string_sized_new(128);
+ for (chan = 0; chan < NUM_CHANNELS; chan++) {
+ g_string_printf(gs, "CH%d:", chan + 1);
+ for (v = 0; v < 9; v++) {
+ g_string_append_printf(gs, " %.4x-%.4x",
+ devc->channel_levels[chan][v][0],
+ devc->channel_levels[chan][v][1]);
+ }
+ sr_dbg("%s", gs->str);
+ }
+ g_string_free(gs, TRUE);
+ }
+
+ return SR_OK;
+}
+
+static int dso_set_trigger_samplerate(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ int ret, tmp;
+ uint8_t cmdstring[12];
+ uint16_t timebase_small[] = { 0xffff, 0xfffc, 0xfff7, 0xffe8, 0xffce,
+ 0xff9c, 0xff07, 0xfe0d, 0xfc19, 0xf63d, 0xec79, 0xd8f1 };
+ uint16_t timebase_large[] = { 0xffff, 0x0000, 0xfffc, 0xfff7, 0xffe8,
+ 0xffce, 0xff9d, 0xff07, 0xfe0d, 0xfc19, 0xf63d, 0xec79 };
+
+ sr_dbg("Preparing CMD_SET_TRIGGER_SAMPLERATE.");
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ memset(cmdstring, 0, sizeof(cmdstring));
+ /* Command */
+ cmdstring[0] = CMD_SET_TRIGGER_SAMPLERATE;
+
+ /* Trigger source */
+ sr_dbg("Trigger source %s.", devc->triggersource);
+ if (!strcmp("CH2", devc->triggersource))
+ tmp = 0;
+ else if (!strcmp("CH1", devc->triggersource))
+ tmp = 1;
+ else if (!strcmp("EXT", devc->triggersource))
+ tmp = 2;
+ else {
+ sr_err("Invalid trigger source: '%s'.", devc->triggersource);
+ return SR_ERR_ARG;
+ }
+ cmdstring[2] = tmp;
+
+ /* Frame size */
+ sr_dbg("Frame size: %d.", devc->framesize);
+ cmdstring[2] |= (devc->framesize == FRAMESIZE_SMALL ? 0x01 : 0x02) << 2;
+
+ /* Timebase fast */
+ sr_dbg("Time base index: %d.", devc->timebase);
+ if (devc->framesize == FRAMESIZE_SMALL) {
+ if (devc->timebase < TIME_20us)
+ tmp = 0;
+ else if (devc->timebase == TIME_20us)
+ tmp = 1;
+ else if (devc->timebase == TIME_40us)
+ tmp = 2;
+ else if (devc->timebase == TIME_100us)
+ tmp = 3;
+ else if (devc->timebase >= TIME_200us)
+ tmp = 4;
+ } else {
+ if (devc->timebase < TIME_40us) {
+ sr_err("Timebase < 40us only supported with 10K buffer.");
+ return SR_ERR_ARG;
+ }
+ else if (devc->timebase == TIME_40us)
+ tmp = 0;
+ else if (devc->timebase == TIME_100us)
+ tmp = 2;
+ else if (devc->timebase == TIME_200us)
+ tmp = 3;
+ else if (devc->timebase >= TIME_400us)
+ tmp = 4;
+ }
+ cmdstring[2] |= (tmp & 0x07) << 5;
+
+ /* Enabled channels: 00=CH1 01=CH2 10=both */
+ sr_dbg("Channels CH1=%d CH2=%d", devc->ch_enabled[0], devc->ch_enabled[1]);
+ tmp = (((devc->ch_enabled[1] ? 1 : 0) << 1) + (devc->ch_enabled[0] ? 1 : 0)) - 1;
+ cmdstring[3] = tmp;
+
+ /* Fast rates channel */
+ /* TODO: Is this right? */
+ tmp = devc->timebase < TIME_10us ? 1 : 0;
+ cmdstring[3] |= tmp << 2;
+
+ /* Trigger slope: 0=positive 1=negative */
+ /* TODO: Does this work? */
+ sr_dbg("Trigger slope: %d.", devc->triggerslope);
+ cmdstring[3] |= (devc->triggerslope == SLOPE_NEGATIVE ? 1 : 0) << 3;
+
+ /* Timebase slow */
+ if (devc->timebase < TIME_100us)
+ tmp = 0;
+ else if (devc->timebase > TIME_400ms)
+ tmp = 0xffed;
+ else {
+ if (devc->framesize == FRAMESIZE_SMALL)
+ tmp = timebase_small[devc->timebase - 3];
+ else
+ tmp = timebase_large[devc->timebase - 3];
+ }
+ cmdstring[4] = tmp & 0xff;
+ cmdstring[5] = (tmp >> 8) & 0xff;
+
+ /* Horizontal trigger position */
+ sr_dbg("Trigger position: %3.2f.", devc->triggerposition);
+ tmp = 0x77fff + 0x8000 * devc->triggerposition;
+ cmdstring[6] = tmp & 0xff;
+ cmdstring[7] = (tmp >> 8) & 0xff;
+ cmdstring[10] = (tmp >> 16) & 0xff;
+
+ if (send_begin(sdi) != SR_OK)
+ return SR_ERR;
+
+ if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
+ cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
+ sr_err("Failed to set trigger/samplerate: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+ sr_dbg("Sent CMD_SET_TRIGGER_SAMPLERATE.");
+
+ return SR_OK;
+}
+
+static int dso_set_filters(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ int ret, tmp;
+ uint8_t cmdstring[8];
+
+ sr_dbg("Preparing CMD_SET_FILTERS.");
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ memset(cmdstring, 0, sizeof(cmdstring));
+ cmdstring[0] = CMD_SET_FILTERS;
+ cmdstring[1] = 0x0f;
+ if (devc->filter[0]) {
+ sr_dbg("Turning on CH1 filter.");
+ cmdstring[2] |= 0x80;
+ }
+ if (devc->filter[1]) {
+ sr_dbg("Turning on CH2 filter.");
+ cmdstring[2] |= 0x40;
+ }
+ /*
+ * Not supported: filtering on the trigger
+ * cmdstring[2] |= 0x20;
+ */
+
+ if (send_begin(sdi) != SR_OK)
+ return SR_ERR;
+
+ if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
+ cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
+ sr_err("Failed to set filters: %s.", libusb_error_name(ret));
+ return SR_ERR;
+ }
+ sr_dbg("Sent CMD_SET_FILTERS.");
+
+ return SR_OK;
+}
+
+static int dso_set_voltage(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ int ret, tmp;
+ uint8_t cmdstring[8];
+
+ sr_dbg("Preparing CMD_SET_VOLTAGE.");
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ memset(cmdstring, 0, sizeof(cmdstring));
+ cmdstring[0] = CMD_SET_VOLTAGE;
+ cmdstring[1] = 0x0f;
+ cmdstring[2] = 0x30;
+
+ /* CH1 volts/div is encoded in bits 0-1 */
+ sr_dbg("CH1 vdiv index: %d.", devc->voltage[0]);
+ switch (devc->voltage[0]) {
+ case VDIV_1V:
+ case VDIV_100MV:
+ case VDIV_10MV:
+ cmdstring[2] |= 0x00;
+ break;
+ case VDIV_2V:
+ case VDIV_200MV:
+ case VDIV_20MV:
+ cmdstring[2] |= 0x01;
+ break;
+ case VDIV_5V:
+ case VDIV_500MV:
+ case VDIV_50MV:
+ cmdstring[2] |= 0x02;
+ break;
+ }
+
+ /* CH2 volts/div is encoded in bits 2-3 */
+ sr_dbg("CH2 vdiv index: %d.", devc->voltage[1]);
+ switch (devc->voltage[1]) {
+ case VDIV_1V:
+ case VDIV_100MV:
+ case VDIV_10MV:
+ cmdstring[2] |= 0x00;
+ break;
+ case VDIV_2V:
+ case VDIV_200MV:
+ case VDIV_20MV:
+ cmdstring[2] |= 0x04;
+ break;
+ case VDIV_5V:
+ case VDIV_500MV:
+ case VDIV_50MV:
+ cmdstring[2] |= 0x08;
+ break;
+ }
+
+ if (send_begin(sdi) != SR_OK)
+ return SR_ERR;
+
+ if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
+ cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
+ sr_err("Failed to set voltage: %s.", libusb_error_name(ret));
+ return SR_ERR;
+ }
+ sr_dbg("Sent CMD_SET_VOLTAGE.");
+
+ return SR_OK;
+}
+
+static int dso_set_relays(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ GString *gs;
+ int ret, i;
+ uint8_t relays[17] = { 0x00, 0x04, 0x08, 0x02, 0x20, 0x40, 0x10, 0x01,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+ sr_dbg("Preparing CTRL_SETRELAYS.");
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ if (devc->voltage[0] < VDIV_1V)
+ relays[1] = ~relays[1];
+
+ if (devc->voltage[0] < VDIV_100MV)
+ relays[2] = ~relays[2];
+
+ sr_dbg("CH1 coupling: %d.", devc->coupling[0]);
+ if (devc->coupling[0] != COUPLING_AC)
+ relays[3] = ~relays[3];
+
+ if (devc->voltage[1] < VDIV_1V)
+ relays[4] = ~relays[4];
+
+ if (devc->voltage[1] < VDIV_100MV)
+ relays[5] = ~relays[5];
+
+ sr_dbg("CH2 coupling: %d.", devc->coupling[1]);
+ if (devc->coupling[1] != COUPLING_AC)
+ relays[6] = ~relays[6];
+
+ if (!strcmp(devc->triggersource, "EXT"))
+ relays[7] = ~relays[7];
+
+ if (sr_log_loglevel_get() >= SR_LOG_DBG) {
+ gs = g_string_sized_new(128);
+ g_string_printf(gs, "Relays:");
+ for (i = 0; i < 17; i++)
+ g_string_append_printf(gs, " %.2x", relays[i]);
+ sr_dbg("%s", gs->str);
+ g_string_free(gs, TRUE);
+ }
+
+ if ((ret = libusb_control_transfer(usb->devhdl,
+ LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETRELAYS,
+ 0, 0, relays, 17, 100)) != sizeof(relays)) {
+ sr_err("Failed to set relays: %s.", libusb_error_name(ret));
+ return SR_ERR;
+ }
+ sr_dbg("Sent CTRL_SETRELAYS.");
+
+ return SR_OK;
+}
+
+static int dso_set_voffsets(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ int offset, ret;
+ uint16_t *ch_levels;
+ uint8_t offsets[17];
+
+ sr_dbg("Preparing CTRL_SETOFFSET.");
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ memset(offsets, 0, sizeof(offsets));
+ /* Channel 1 */
+ ch_levels = devc->channel_levels[0][devc->voltage[0]];
+ offset = (ch_levels[1] - ch_levels[0]) * devc->voffset_ch1 + ch_levels[0];
+ offsets[0] = (offset >> 8) | 0x20;
+ offsets[1] = offset & 0xff;
+ sr_dbg("CH1 offset: %3.2f (%.2x%.2x).", devc->voffset_ch1,
+ offsets[0], offsets[1]);
+
+ /* Channel 2 */
+ ch_levels = devc->channel_levels[1][devc->voltage[1]];
+ offset = (ch_levels[1] - ch_levels[0]) * devc->voffset_ch2 + ch_levels[0];
+ offsets[2] = (offset >> 8) | 0x20;
+ offsets[3] = offset & 0xff;
+ sr_dbg("CH2 offset: %3.2f (%.2x%.2x).", devc->voffset_ch2,
+ offsets[2], offsets[3]);
+
+ /* Trigger */
+ offset = MAX_VERT_TRIGGER * devc->voffset_trigger;
+ offsets[4] = (offset >> 8) | 0x20;
+ offsets[5] = offset & 0xff;
+ sr_dbg("Trigger offset: %3.2f (%.2x%.2x).", devc->voffset_trigger,
+ offsets[4], offsets[5]);
+
+ if ((ret = libusb_control_transfer(usb->devhdl,
+ LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETOFFSET,
+ 0, 0, offsets, sizeof(offsets), 100)) != sizeof(offsets)) {
+ sr_err("Failed to set offsets: %s.", libusb_error_name(ret));
+ return SR_ERR;
+ }
+ sr_dbg("Sent CTRL_SETOFFSET.");
+
+ return SR_OK;
+}
+
+SR_PRIV int dso_enable_trigger(const struct sr_dev_inst *sdi)
+{
+ struct sr_usb_dev_inst *usb;
+ int ret, tmp;
+ uint8_t cmdstring[2];
+
+ sr_dbg("Sending CMD_ENABLE_TRIGGER.");
+
+ usb = sdi->conn;
+
+ memset(cmdstring, 0, sizeof(cmdstring));
+ cmdstring[0] = CMD_ENABLE_TRIGGER;
+ cmdstring[1] = 0x00;
+
+ if (send_begin(sdi) != SR_OK)
+ return SR_ERR;
+
+ if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
+ cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
+ sr_err("Failed to enable trigger: %s.", libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int dso_force_trigger(const struct sr_dev_inst *sdi)
+{
+ struct sr_usb_dev_inst *usb;
+ int ret, tmp;
+ uint8_t cmdstring[2];
+
+ sr_dbg("Sending CMD_FORCE_TRIGGER.");
+
+ usb = sdi->conn;
+
+ memset(cmdstring, 0, sizeof(cmdstring));
+ cmdstring[0] = CMD_FORCE_TRIGGER;
+ cmdstring[1] = 0x00;
+
+ if (send_begin(sdi) != SR_OK)
+ return SR_ERR;
+
+ if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_OUT,
+ cmdstring, sizeof(cmdstring), &tmp, 100)) != 0) {
+ sr_err("Failed to force trigger: %s.", libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int dso_init(const struct sr_dev_inst *sdi)
+{
+
+ sr_dbg("Initializing DSO.");
+
+ if (get_channel_offsets(sdi) != SR_OK)
+ return SR_ERR;
+
+ if (dso_set_trigger_samplerate(sdi) != SR_OK)
+ return SR_ERR;
+
+ if (dso_set_filters(sdi) != SR_OK)
+ return SR_ERR;
+
+ if (dso_set_voltage(sdi) != SR_OK)
+ return SR_ERR;
+
+ if (dso_set_relays(sdi) != SR_OK)
+ return SR_ERR;
+
+ if (dso_set_voffsets(sdi) != SR_OK)
+ return SR_ERR;
+
+ if (dso_enable_trigger(sdi) != SR_OK)
+ return SR_ERR;
+
+ return SR_OK;
+}
+
+SR_PRIV int dso_get_capturestate(const struct sr_dev_inst *sdi,
+ uint8_t *capturestate, uint32_t *trigger_offset)
+{
+ struct sr_usb_dev_inst *usb;
+ int ret, tmp, i;
+ unsigned int bitvalue, toff;
+ uint8_t cmdstring[2], inbuf[512];
+
+ sr_dbg("Sending CMD_GET_CAPTURESTATE.");
+
+ usb = sdi->conn;
+
+ cmdstring[0] = CMD_GET_CAPTURESTATE;
+ cmdstring[1] = 0;
+
+ if ((ret = send_bulkcmd(sdi, cmdstring, sizeof(cmdstring))) != SR_OK) {
+ sr_dbg("Failed to send get_capturestate command: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ if ((ret = libusb_bulk_transfer(usb->devhdl, DSO_EP_IN,
+ inbuf, 512, &tmp, 100)) != 0) {
+ sr_dbg("Failed to get capturestate: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+ *capturestate = inbuf[0];
+ toff = (inbuf[1] << 16) | (inbuf[3] << 8) | inbuf[2];
+
+ /*
+ * This conversion comes from the openhantek project.
+ * Each set bit in the 24-bit value inverts all bits with a lower
+ * value. No idea why the device reports the trigger point this way.
+ */
+ bitvalue = 1;
+ for (i = 0; i < 24; i++) {
+ /* Each set bit inverts all bits with a lower value. */
+ if (toff & bitvalue)
+ toff ^= bitvalue - 1;
+ bitvalue <<= 1;
+ }
+ *trigger_offset = toff;
+
+ return SR_OK;
+}
+
+SR_PRIV int dso_capture_start(const struct sr_dev_inst *sdi)
+{
+ int ret;
+ uint8_t cmdstring[2];
+
+ sr_dbg("Sending CMD_CAPTURE_START.");
+
+ cmdstring[0] = CMD_CAPTURE_START;
+ cmdstring[1] = 0;
+
+ if ((ret = send_bulkcmd(sdi, cmdstring, sizeof(cmdstring))) != SR_OK) {
+ sr_err("Failed to send capture_start command: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int dso_get_channeldata(const struct sr_dev_inst *sdi,
+ libusb_transfer_cb_fn cb)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ struct libusb_transfer *transfer;
+ int num_transfers, ret, i;
+ uint8_t cmdstring[2];
+ unsigned char *buf;
+
+ sr_dbg("Sending CMD_GET_CHANNELDATA.");
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ cmdstring[0] = CMD_GET_CHANNELDATA;
+ cmdstring[1] = 0;
+
+ if ((ret = send_bulkcmd(sdi, cmdstring, sizeof(cmdstring))) != SR_OK) {
+ sr_err("Failed to get channel data: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ /* TODO: DSO-2xxx only. */
+ num_transfers = devc->framesize *
+ sizeof(unsigned short) / devc->epin_maxpacketsize;
+ sr_dbg("Queueing up %d transfers.", num_transfers);
+ for (i = 0; i < num_transfers; i++) {
+ if (!(buf = g_try_malloc(devc->epin_maxpacketsize))) {
+ sr_err("Failed to malloc USB endpoint buffer.");
+ return SR_ERR_MALLOC;
+ }
+ transfer = libusb_alloc_transfer(0);
+ libusb_fill_bulk_transfer(transfer, usb->devhdl, DSO_EP_IN, buf,
+ devc->epin_maxpacketsize, cb, (void *)sdi, 40);
+ if ((ret = libusb_submit_transfer(transfer)) != 0) {
+ sr_err("Failed to submit transfer: %s.",
+ libusb_error_name(ret));
+ /* TODO: Free them all. */
+ libusb_free_transfer(transfer);
+ g_free(buf);
+ return SR_ERR;
+ }
+ }
+
+ return SR_OK;
+}
--- /dev/null
+/*
+ * 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_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_HANTEK_DSO_PROTOCOL_H
+
+#define LOG_PREFIX "hantek-dso"
+
+#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 (10 * 1024)
+
+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;
+ const char *vendor;
+ const char *model;
+ const uint64_t *buffersizes;
+ const char *firmware;
+};
+
+struct dev_context {
+ const struct dso_profile *profile;
+ uint64_t limit_frames;
+ uint64_t num_frames;
+ GSList *enabled_channels;
+ /* 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 ch_enabled[2];
+ int voltage[2];
+ int coupling[2];
+ // 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[2];
+ 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
projects / libsigrok.git / commitdiff