#include <glib.h>
#include <libusb.h>
-extern libusb_context *usb_context;
extern struct sr_dev_driver hantek_dso_driver_info;
+static struct sr_dev_driver *hdi = &hantek_dso_driver_info;
-static int send_begin(struct context *ctx)
+static int send_begin(struct dev_context *devc)
{
int ret;
unsigned char buffer[] = {0x0f, 0x03, 0x03, 0x03, 0x68, 0xac, 0xfe,
sr_dbg("hantek-dso: sending CTRL_BEGINCOMMAND");
- if ((ret = libusb_control_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_control_transfer(devc->usb->devhdl,
LIBUSB_REQUEST_TYPE_VENDOR, CTRL_BEGINCOMMAND,
0, 0, buffer, sizeof(buffer), 200)) != sizeof(buffer)) {
sr_err("failed to send begincommand: %d", ret);
return SR_OK;
}
-static int send_bulkcmd(struct context *ctx, uint8_t *cmdstring, int cmdlen)
+static int send_bulkcmd(struct dev_context *devc, uint8_t *cmdstring, int cmdlen)
{
int ret, tmp;
- if (send_begin(ctx) != SR_OK)
+ if (send_begin(devc) != SR_OK)
return SR_ERR;
- if ((ret = libusb_bulk_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_bulk_transfer(devc->usb->devhdl,
DSO_EP_OUT | LIBUSB_ENDPOINT_OUT,
cmdstring, cmdlen, &tmp, 200)) != 0)
return SR_ERR;
{
libusb_device **devlist;
struct libusb_device_descriptor des;
- struct context *ctx;
+ struct drv_context *drvc;
+ struct dev_context *devc;
int err, skip, i;
- ctx = sdi->priv;
+ drvc = hdi->priv;
+ devc = sdi->priv;
if (sdi->status == SR_ST_ACTIVE)
/* already in use */
return SR_ERR;
skip = 0;
- libusb_get_device_list(usb_context, &devlist);
+ libusb_get_device_list(drvc->usb_context, &devlist);
for (i = 0; devlist[i]; i++) {
if ((err = libusb_get_device_descriptor(devlist[i], &des))) {
sr_err("hantek-dso: failed to get device descriptor: %d", err);
continue;
}
- if (des.idVendor != ctx->profile->fw_vid
- || des.idProduct != ctx->profile->fw_pid)
+ if (des.idVendor != devc->profile->fw_vid
+ || des.idProduct != devc->profile->fw_pid)
continue;
if (sdi->status == SR_ST_INITIALIZING) {
* This device is fully enumerated, so we need to find
* this device by vendor, product, bus and address.
*/
- if (libusb_get_bus_number(devlist[i]) != ctx->usb->bus
- || libusb_get_device_address(devlist[i]) != ctx->usb->address)
+ if (libusb_get_bus_number(devlist[i]) != devc->usb->bus
+ || libusb_get_device_address(devlist[i]) != devc->usb->address)
/* this is not the one */
continue;
}
- if (!(err = libusb_open(devlist[i], &ctx->usb->devhdl))) {
- if (ctx->usb->address == 0xff)
+ if (!(err = libusb_open(devlist[i], &devc->usb->devhdl))) {
+ if (devc->usb->address == 0xff)
/*
* first time we touch this device after firmware upload,
* so we don't know the address yet.
*/
- ctx->usb->address = libusb_get_device_address(devlist[i]);
+ devc->usb->address = libusb_get_device_address(devlist[i]);
- if(!(ctx->epin_maxpacketsize = dso_getmps(devlist[i])))
+ if(!(devc->epin_maxpacketsize = dso_getmps(devlist[i])))
sr_err("hantek-dso: wrong endpoint profile");
else {
sdi->status = SR_ST_ACTIVE;
sr_info("hantek-dso: opened device %d on %d.%d interface %d",
- sdi->index, ctx->usb->bus,
- ctx->usb->address, USB_INTERFACE);
+ sdi->index, devc->usb->bus,
+ devc->usb->address, USB_INTERFACE);
}
} else {
sr_err("hantek-dso: failed to open device: %d", err);
SR_PRIV void dso_close(struct sr_dev_inst *sdi)
{
- struct context *ctx;
+ struct dev_context *devc;
- ctx = sdi->priv;
+ devc = sdi->priv;
- if (ctx->usb->devhdl == NULL)
+ if (devc->usb->devhdl == NULL)
return;
sr_info("hantek-dso: closing device %d on %d.%d interface %d", sdi->index,
- ctx->usb->bus, ctx->usb->address, USB_INTERFACE);
- libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE);
- libusb_close(ctx->usb->devhdl);
- ctx->usb->devhdl = NULL;
+ devc->usb->bus, devc->usb->address, USB_INTERFACE);
+ libusb_release_interface(devc->usb->devhdl, USB_INTERFACE);
+ libusb_close(devc->usb->devhdl);
+ devc->usb->devhdl = NULL;
sdi->status = SR_ST_INACTIVE;
}
-static int get_channel_offsets(struct context *ctx)
+static int get_channel_offsets(struct dev_context *devc)
{
GString *gs;
int chan, v, ret;
sr_dbg("hantek-dso: getting channel offsets");
- ret = libusb_control_transfer(ctx->usb->devhdl,
+ ret = libusb_control_transfer(devc->usb->devhdl,
LIBUSB_ENDPOINT_IN | LIBUSB_REQUEST_TYPE_VENDOR,
CTRL_READ_EEPROM, EEPROM_CHANNEL_OFFSETS, 0,
- (unsigned char *)&ctx->channel_levels,
- sizeof(ctx->channel_levels), 200);
- if (ret != sizeof(ctx->channel_levels)) {
+ (unsigned char *)&devc->channel_levels,
+ sizeof(devc->channel_levels), 200);
+ if (ret != sizeof(devc->channel_levels)) {
sr_err("failed to get channel offsets: %d", ret);
return SR_ERR;
}
*/
for (chan = 0; chan < 2; chan++) {
for (v = 0; v < 9; v++) {
- ctx->channel_levels[chan][v][0] = g_ntohs(ctx->channel_levels[chan][v][0]);
- ctx->channel_levels[chan][v][1] = g_ntohs(ctx->channel_levels[chan][v][1]);
+ 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]);
}
}
g_string_printf(gs, "hantek-dso: CH%d:", chan + 1);
for (v = 0; v < 9; v++) {
g_string_append_printf(gs, " %.4x-%.4x",
- ctx->channel_levels[chan][v][0],
- ctx->channel_levels[chan][v][1]);
+ devc->channel_levels[chan][v][0],
+ devc->channel_levels[chan][v][1]);
}
sr_dbg(gs->str);
}
return SR_OK;
}
-SR_PRIV int dso_set_trigger_samplerate(struct context *ctx)
+SR_PRIV int dso_set_trigger_samplerate(struct dev_context *devc)
{
int ret, tmp;
uint8_t cmdstring[12];
cmdstring[0] = CMD_SET_TRIGGER_SAMPLERATE;
/* Trigger source */
- sr_dbg("hantek-dso: trigger source %s", ctx->triggersource);
- if (!strcmp("CH2", ctx->triggersource))
+ sr_dbg("hantek-dso: trigger source %s", devc->triggersource);
+ if (!strcmp("CH2", devc->triggersource))
tmp = 0;
- else if (!strcmp("CH1", ctx->triggersource))
+ else if (!strcmp("CH1", devc->triggersource))
tmp = 1;
- else if (!strcmp("EXT", ctx->triggersource))
+ else if (!strcmp("EXT", devc->triggersource))
tmp = 2;
else {
- sr_err("hantek-dso: invalid trigger source %s", ctx->triggersource);
+ sr_err("hantek-dso: invalid trigger source %s", devc->triggersource);
return SR_ERR_ARG;
}
cmdstring[2] = tmp;
/* Frame size */
- sr_dbg("hantek-dso: frame size %d", ctx->framesize);
- cmdstring[2] |= (ctx->framesize == FRAMESIZE_SMALL ? 0x01 : 0x02) << 2;
+ sr_dbg("hantek-dso: frame size %d", devc->framesize);
+ cmdstring[2] |= (devc->framesize == FRAMESIZE_SMALL ? 0x01 : 0x02) << 2;
/* Timebase fast */
- sr_dbg("hantek-dso: time base index %d", ctx->timebase);
- switch (ctx->framesize) {
+ sr_dbg("hantek-dso: time base index %d", devc->timebase);
+ switch (devc->framesize) {
case FRAMESIZE_SMALL:
- if (ctx->timebase < TIME_20us)
+ if (devc->timebase < TIME_20us)
tmp = 0;
- else if (ctx->timebase == TIME_20us)
+ else if (devc->timebase == TIME_20us)
tmp = 1;
- else if (ctx->timebase == TIME_40us)
+ else if (devc->timebase == TIME_40us)
tmp = 2;
- else if (ctx->timebase == TIME_100us)
+ else if (devc->timebase == TIME_100us)
tmp = 3;
- else if (ctx->timebase >= TIME_200us)
+ else if (devc->timebase >= TIME_200us)
tmp = 4;
break;
case FRAMESIZE_LARGE:
- if (ctx->timebase < TIME_40us) {
+ if (devc->timebase < TIME_40us) {
sr_err("hantek-dso: timebase < 40us only supported with 10K buffer");
return SR_ERR_ARG;
}
- else if (ctx->timebase == TIME_40us)
+ else if (devc->timebase == TIME_40us)
tmp = 0;
- else if (ctx->timebase == TIME_100us)
+ else if (devc->timebase == TIME_100us)
tmp = 2;
- else if (ctx->timebase == TIME_200us)
+ else if (devc->timebase == TIME_200us)
tmp = 3;
- else if (ctx->timebase >= TIME_400us)
+ else if (devc->timebase >= TIME_400us)
tmp = 4;
break;
}
cmdstring[2] |= (tmp & 0x07) << 5;
/* Enabled channels: 00=CH1 01=CH2 10=both */
- sr_dbg("hantek-dso: channels CH1=%d CH2=%d", ctx->ch1_enabled, ctx->ch2_enabled);
- tmp = (((ctx->ch2_enabled ? 1 : 0) << 1) + (ctx->ch1_enabled ? 1 : 0)) - 1;
+ sr_dbg("hantek-dso: channels CH1=%d CH2=%d", devc->ch1_enabled, devc->ch2_enabled);
+ tmp = (((devc->ch2_enabled ? 1 : 0) << 1) + (devc->ch1_enabled ? 1 : 0)) - 1;
cmdstring[3] = tmp;
/* Fast rates channel */
/* TODO: is this right? */
- tmp = ctx->timebase < TIME_10us ? 1 : 0;
+ tmp = devc->timebase < TIME_10us ? 1 : 0;
cmdstring[3] |= tmp << 2;
/* Trigger slope: 0=positive 1=negative */
/* TODO: does this work? */
- sr_dbg("hantek-dso: trigger slope %d", ctx->triggerslope);
- cmdstring[3] |= (ctx->triggerslope == SLOPE_NEGATIVE ? 1 : 0) << 3;
+ sr_dbg("hantek-dso: trigger slope %d", devc->triggerslope);
+ cmdstring[3] |= (devc->triggerslope == SLOPE_NEGATIVE ? 1 : 0) << 3;
/* Timebase slow */
- if (ctx->timebase < TIME_100us)
+ if (devc->timebase < TIME_100us)
tmp = 0;
- else if (ctx->timebase > TIME_400ms)
+ else if (devc->timebase > TIME_400ms)
tmp = 0xffed;
else {
- if (ctx->framesize == FRAMESIZE_SMALL)
- tmp = timebase_small[ctx->timebase - 3];
+ if (devc->framesize == FRAMESIZE_SMALL)
+ tmp = timebase_small[devc->timebase - 3];
else
- tmp = timebase_large[ctx->timebase - 3];
+ tmp = timebase_large[devc->timebase - 3];
}
cmdstring[4] = tmp & 0xff;
cmdstring[5] = (tmp >> 8) & 0xff;
/* Horizontal trigger position */
- sr_dbg("hantek-dso: trigger position %3.2f", ctx->triggerposition);
- tmp = 0x77fff + 0x8000 * ctx->triggerposition;
+ sr_dbg("hantek-dso: 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(ctx) != SR_OK)
+ if (send_begin(devc) != SR_OK)
return SR_ERR;
- if ((ret = libusb_bulk_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_bulk_transfer(devc->usb->devhdl,
DSO_EP_OUT | LIBUSB_ENDPOINT_OUT,
cmdstring, sizeof(cmdstring),
&tmp, 100)) != 0) {
return SR_OK;
}
-SR_PRIV int dso_set_filters(struct context *ctx)
+SR_PRIV int dso_set_filters(struct dev_context *devc)
{
int ret, tmp;
uint8_t cmdstring[8];
memset(cmdstring, 0, sizeof(cmdstring));
cmdstring[0] = CMD_SET_FILTERS;
cmdstring[1] = 0x0f;
- if (ctx->filter_ch1) {
+ if (devc->filter_ch1) {
sr_dbg("hantek-dso: turning on CH1 filter");
cmdstring[2] |= 0x80;
}
- if (ctx->filter_ch2) {
+ if (devc->filter_ch2) {
sr_dbg("hantek-dso: turning on CH2 filter");
cmdstring[2] |= 0x40;
}
- if (ctx->filter_trigger) {
+ if (devc->filter_trigger) {
/* TODO: supported on the DSO-2090? */
sr_dbg("hantek-dso: turning on trigger filter");
cmdstring[2] |= 0x20;
}
- if (send_begin(ctx) != SR_OK)
+ if (send_begin(devc) != SR_OK)
return SR_ERR;
- if ((ret = libusb_bulk_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_bulk_transfer(devc->usb->devhdl,
DSO_EP_OUT | LIBUSB_ENDPOINT_OUT,
cmdstring, sizeof(cmdstring),
&tmp, 100)) != 0) {
return SR_OK;
}
-SR_PRIV int dso_set_voltage(struct context *ctx)
+SR_PRIV int dso_set_voltage(struct dev_context *devc)
{
int ret, tmp;
uint8_t cmdstring[8];
cmdstring[2] = 0x30;
/* CH1 volts/div is encoded in bits 0-1 */
- sr_dbg("hantek-dso: CH1 vdiv index %d", ctx->voltage_ch1);
- switch (ctx->voltage_ch1) {
+ sr_dbg("hantek-dso: CH1 vdiv index %d", devc->voltage_ch1);
+ switch (devc->voltage_ch1) {
case VDIV_1V:
case VDIV_100MV:
case VDIV_10MV:
}
/* CH2 volts/div is encoded in bits 2-3 */
- sr_dbg("hantek-dso: CH2 vdiv index %d", ctx->voltage_ch2);
- switch (ctx->voltage_ch2) {
+ sr_dbg("hantek-dso: CH2 vdiv index %d", devc->voltage_ch2);
+ switch (devc->voltage_ch2) {
case VDIV_1V:
case VDIV_100MV:
case VDIV_10MV:
break;
}
- if (send_begin(ctx) != SR_OK)
+ if (send_begin(devc) != SR_OK)
return SR_ERR;
- if ((ret = libusb_bulk_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_bulk_transfer(devc->usb->devhdl,
DSO_EP_OUT | LIBUSB_ENDPOINT_OUT,
cmdstring, sizeof(cmdstring),
&tmp, 100)) != 0) {
return SR_OK;
}
-SR_PRIV int dso_set_relays(struct context *ctx)
+SR_PRIV int dso_set_relays(struct dev_context *devc)
{
GString *gs;
int ret, i;
sr_dbg("hantek-dso: preparing CTRL_SETRELAYS");
- if (ctx->voltage_ch1 < VDIV_1V)
+ if (devc->voltage_ch1 < VDIV_1V)
relays[1] = ~relays[1];
- if (ctx->voltage_ch1 < VDIV_100MV)
+ if (devc->voltage_ch1 < VDIV_100MV)
relays[2] = ~relays[2];
- sr_dbg("hantek-dso: CH1 coupling %d", ctx->coupling_ch1);
- if (ctx->coupling_ch1 != COUPLING_AC)
+ sr_dbg("hantek-dso: CH1 coupling %d", devc->coupling_ch1);
+ if (devc->coupling_ch1 != COUPLING_AC)
relays[3] = ~relays[3];
- if (ctx->voltage_ch2 < VDIV_1V)
+ if (devc->voltage_ch2 < VDIV_1V)
relays[4] = ~relays[4];
- if (ctx->voltage_ch2 < VDIV_100MV)
+ if (devc->voltage_ch2 < VDIV_100MV)
relays[5] = ~relays[5];
- sr_dbg("hantek-dso: CH2 coupling %d", ctx->coupling_ch1);
- if (ctx->coupling_ch2 != COUPLING_AC)
+ sr_dbg("hantek-dso: CH2 coupling %d", devc->coupling_ch1);
+ if (devc->coupling_ch2 != COUPLING_AC)
relays[6] = ~relays[6];
- if (!strcmp(ctx->triggersource, "EXT"))
+ if (!strcmp(devc->triggersource, "EXT"))
relays[7] = ~relays[7];
if (sr_log_loglevel_get() >= SR_LOG_DBG) {
g_string_free(gs, TRUE);
}
- if ((ret = libusb_control_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_control_transfer(devc->usb->devhdl,
LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETRELAYS,
0, 0, relays, 17, 100)) != sizeof(relays)) {
sr_err("failed to set relays: %d", ret);
return SR_OK;
}
-SR_PRIV int dso_set_voffsets(struct context *ctx)
+SR_PRIV int dso_set_voffsets(struct dev_context *devc)
{
int offset, ret;
uint16_t *ch_levels;
memset(offsets, 0, sizeof(offsets));
/* Channel 1 */
- ch_levels = ctx->channel_levels[0][ctx->voltage_ch1];
- offset = (ch_levels[1] - ch_levels[0]) * ctx->voffset_ch1 + ch_levels[0];
+ ch_levels = devc->channel_levels[0][devc->voltage_ch1];
+ offset = (ch_levels[1] - ch_levels[0]) * devc->voffset_ch1 + ch_levels[0];
offsets[0] = (offset >> 8) | 0x20;
offsets[1] = offset & 0xff;
- sr_dbg("hantek-dso: CH1 offset %3.2f (%.2x%.2x)", ctx->voffset_ch1,
+ sr_dbg("hantek-dso: CH1 offset %3.2f (%.2x%.2x)", devc->voffset_ch1,
offsets[0], offsets[1]);
/* Channel 2 */
- ch_levels = ctx->channel_levels[1][ctx->voltage_ch2];
- offset = (ch_levels[1] - ch_levels[0]) * ctx->voffset_ch2 + ch_levels[0];
+ ch_levels = devc->channel_levels[1][devc->voltage_ch2];
+ offset = (ch_levels[1] - ch_levels[0]) * devc->voffset_ch2 + ch_levels[0];
offsets[2] = (offset >> 8) | 0x20;
offsets[3] = offset & 0xff;
- sr_dbg("hantek-dso: CH2 offset %3.2f (%.2x%.2x)", ctx->voffset_ch2,
+ sr_dbg("hantek-dso: CH2 offset %3.2f (%.2x%.2x)", devc->voffset_ch2,
offsets[2], offsets[3]);
/* Trigger */
- offset = MAX_VERT_TRIGGER * ctx->voffset_trigger;
+ offset = MAX_VERT_TRIGGER * devc->voffset_trigger;
offsets[4] = (offset >> 8) | 0x20;
offsets[5] = offset & 0xff;
- sr_dbg("hantek-dso: trigger offset %3.2f (%.2x%.2x)", ctx->voffset_trigger,
+ sr_dbg("hantek-dso: trigger offset %3.2f (%.2x%.2x)", devc->voffset_trigger,
offsets[4], offsets[5]);
- if ((ret = libusb_control_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_control_transfer(devc->usb->devhdl,
LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETOFFSET,
0, 0, offsets, sizeof(offsets), 100)) != sizeof(offsets)) {
sr_err("failed to set offsets: %d", ret);
return SR_OK;
}
-SR_PRIV int dso_enable_trigger(struct context *ctx)
+SR_PRIV int dso_enable_trigger(struct dev_context *devc)
{
int ret, tmp;
uint8_t cmdstring[2];
cmdstring[0] = CMD_ENABLE_TRIGGER;
cmdstring[1] = 0x00;
- if (send_begin(ctx) != SR_OK)
+ if (send_begin(devc) != SR_OK)
return SR_ERR;
- if ((ret = libusb_bulk_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_bulk_transfer(devc->usb->devhdl,
DSO_EP_OUT | LIBUSB_ENDPOINT_OUT,
cmdstring, sizeof(cmdstring),
&tmp, 100)) != 0) {
return SR_OK;
}
-SR_PRIV int dso_force_trigger(struct context *ctx)
+SR_PRIV int dso_force_trigger(struct dev_context *devc)
{
int ret, tmp;
uint8_t cmdstring[2];
cmdstring[0] = CMD_FORCE_TRIGGER;
cmdstring[1] = 0x00;
- if (send_begin(ctx) != SR_OK)
+ if (send_begin(devc) != SR_OK)
return SR_ERR;
- if ((ret = libusb_bulk_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_bulk_transfer(devc->usb->devhdl,
DSO_EP_OUT | LIBUSB_ENDPOINT_OUT,
cmdstring, sizeof(cmdstring),
&tmp, 100)) != 0) {
return SR_OK;
}
-SR_PRIV int dso_init(struct context *ctx)
+SR_PRIV int dso_init(struct dev_context *devc)
{
sr_dbg("hantek-dso: initializing dso");
- if (get_channel_offsets(ctx) != SR_OK)
+ if (get_channel_offsets(devc) != SR_OK)
return SR_ERR;
- if (dso_set_trigger_samplerate(ctx) != SR_OK)
+ if (dso_set_trigger_samplerate(devc) != SR_OK)
return SR_ERR;
- if (dso_set_filters(ctx) != SR_OK)
+ if (dso_set_filters(devc) != SR_OK)
return SR_ERR;
- if (dso_set_voltage(ctx) != SR_OK)
+ if (dso_set_voltage(devc) != SR_OK)
return SR_ERR;
- if (dso_set_relays(ctx) != SR_OK)
+ if (dso_set_relays(devc) != SR_OK)
return SR_ERR;
- if (dso_set_voffsets(ctx) != SR_OK)
+ if (dso_set_voffsets(devc) != SR_OK)
return SR_ERR;
- if (dso_enable_trigger(ctx) != SR_OK)
+ if (dso_enable_trigger(devc) != SR_OK)
return SR_ERR;
return SR_OK;
}
-SR_PRIV int dso_get_capturestate(struct context *ctx, uint8_t *capturestate,
+SR_PRIV int dso_get_capturestate(struct dev_context *devc, uint8_t *capturestate,
uint32_t *trigger_offset)
{
int ret, tmp, i;
cmdstring[0] = CMD_GET_CAPTURESTATE;
cmdstring[1] = 0;
- if ((ret = send_bulkcmd(ctx, cmdstring, sizeof(cmdstring))) != SR_OK) {
+ if ((ret = send_bulkcmd(devc, cmdstring, sizeof(cmdstring))) != SR_OK) {
sr_dbg("Failed to send get_capturestate command: %d", ret);
return SR_ERR;
}
- if ((ret = libusb_bulk_transfer(ctx->usb->devhdl,
+ if ((ret = libusb_bulk_transfer(devc->usb->devhdl,
DSO_EP_IN | LIBUSB_ENDPOINT_IN,
inbuf, 512, &tmp, 100)) != 0) {
sr_dbg("Failed to get capturestate: %d", ret);
return SR_OK;
}
-SR_PRIV int dso_capture_start(struct context *ctx)
+SR_PRIV int dso_capture_start(struct dev_context *devc)
{
int ret;
uint8_t cmdstring[2];
cmdstring[0] = CMD_CAPTURE_START;
cmdstring[1] = 0;
- if ((ret = send_bulkcmd(ctx, cmdstring, sizeof(cmdstring))) != SR_OK) {
+ if ((ret = send_bulkcmd(devc, cmdstring, sizeof(cmdstring))) != SR_OK) {
sr_err("Failed to send capture_start command: %d", ret);
return SR_ERR;
}
return SR_OK;
}
-SR_PRIV int dso_get_channeldata(struct context *ctx, libusb_transfer_cb_fn cb)
+SR_PRIV int dso_get_channeldata(struct dev_context *devc, libusb_transfer_cb_fn cb)
{
struct libusb_transfer *transfer;
int num_transfers, ret, i;
cmdstring[0] = CMD_GET_CHANNELDATA;
cmdstring[1] = 0;
- if ((ret = send_bulkcmd(ctx, cmdstring, sizeof(cmdstring))) != SR_OK) {
+ if ((ret = send_bulkcmd(devc, cmdstring, sizeof(cmdstring))) != SR_OK) {
sr_err("Failed to get channel data: %d", ret);
return SR_ERR;
}
/* TODO: dso-2xxx only */
- num_transfers = ctx->framesize * sizeof(unsigned short) / ctx->epin_maxpacketsize;
+ num_transfers = devc->framesize * sizeof(unsigned short) / devc->epin_maxpacketsize;
sr_dbg("hantek-dso: queueing up %d transfers", num_transfers);
for (i = 0; i < num_transfers; i++) {
- if (!(buf = g_try_malloc(ctx->epin_maxpacketsize))) {
+ if (!(buf = g_try_malloc(devc->epin_maxpacketsize))) {
sr_err("hantek-dso: %s: buf malloc failed", __func__);
return SR_ERR_MALLOC;
}
transfer = libusb_alloc_transfer(0);
- libusb_fill_bulk_transfer(transfer, ctx->usb->devhdl,
+ libusb_fill_bulk_transfer(transfer, devc->usb->devhdl,
DSO_EP_IN | LIBUSB_ENDPOINT_IN, buf,
- ctx->epin_maxpacketsize, cb, ctx, 40);
+ devc->epin_maxpacketsize, cb, devc, 40);
if ((ret = libusb_submit_transfer(transfer)) != 0) {
sr_err("failed to submit transfer: %d", ret);
/* TODO: Free them all. */
projects / libsigrok.git / blobdiff