X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fhantek-dso%2Fdso.c;h=7a2d2379dd736f01b837d70f0ccf23a823a83f1c;hb=HEAD;hp=278b2ebef021094a8d41bea16dd49c8a45aeb3b2;hpb=3b533202c8b32fbe785906e9930959aae077aeff;p=libsigrok.git diff --git a/hardware/hantek-dso/dso.c b/hardware/hantek-dso/dso.c deleted file mode 100644 index 278b2ebe..00000000 --- a/hardware/hantek-dso/dso.c +++ /dev/null @@ -1,609 +0,0 @@ -/* - * This file is part of the sigrok project. - * - * Copyright (C) 2012 Bert Vermeulen - * With protocol information from the hantekdso project, - * Copyright (C) 2008 Oleg Khudyakov - * - * 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 . - */ - -#include "sigrok.h" -#include "sigrok-internal.h" -#include "config.h" -#include "dso.h" -#include -#include -#include - -extern libusb_context *usb_context; -extern GSList *dev_insts; - - -static int send_begin(struct context *ctx) -{ - int ret; - unsigned char buffer[] = {0x0f, 0x03, 0x03, 0x03, 0x68, 0xac, 0xfe, - 0x00, 0x01, 0x00}; - - sr_dbg("hantek-dso: sending CTRL_BEGINCOMMAND"); - - if ((ret = libusb_control_transfer(ctx->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_ERR; - } - - return SR_OK; -} - -static int send_bulkcmd(struct context *ctx, uint8_t *cmdstring, int cmdlen) -{ - int ret, tmp; - - if (send_begin(ctx) != SR_OK) - return SR_ERR; - - if ((ret = libusb_bulk_transfer(ctx->usb->devhdl, - DSO_EP_OUT | LIBUSB_ENDPOINT_OUT, - cmdstring, cmdlen, &tmp, 200)) != 0) - return SR_ERR; - - return SR_OK; -} - -SR_PRIV 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; - - if (libusb_get_device_descriptor(dev, &des) != 0) - return 0; - - 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(int dev_index) -{ - libusb_device **devlist; - struct libusb_device_descriptor des; - struct sr_dev_inst *sdi; - struct context *ctx; - int err, skip, i; - - if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) - return SR_ERR_ARG; - ctx = sdi->priv; - - if (sdi->status == SR_ST_ACTIVE) - /* already in use */ - return SR_ERR; - - skip = 0; - libusb_get_device_list(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) - continue; - - if (sdi->status == SR_ST_INITIALIZING) { - if (skip != dev_index) { - /* Skip devices of this type that aren't the one we want. */ - skip += 1; - continue; - } - } else if (sdi->status == SR_ST_INACTIVE) { - /* - * 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) - /* this is not the one */ - continue; - } - - if (!(err = libusb_open(devlist[i], &ctx->usb->devhdl))) { - if (ctx->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]); - - if(!(ctx->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); - } - } else { - sr_err("hantek-dso: failed to open device: %d", err); - } - - /* if we made it here, we handled the device one way or another */ - 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 context *ctx; - - ctx = sdi->priv; - - if (ctx->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; - sdi->status = SR_ST_INACTIVE; - -} - -static int get_channel_offsets(struct context *ctx) -{ - int ret; - - sr_dbg("hantek-dso: getting channel offsets"); - - ret = libusb_control_transfer(ctx->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)) { - sr_err("failed to get channel offsets: %d", ret); - return SR_ERR; - } - - return SR_OK; -} - -SR_PRIV int dso_set_trigger_samplerate(struct context *ctx) -{ - int ret, tmp; - uint8_t cmdstring[12]; - uint8_t timebasefast_small[] = {1, 2, 3, 4}; - uint8_t timebasefast_large[] = {0, 0, 2, 3}; - 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("hantek-dso: sending CMD_SET_TRIGGER_SAMPLERATE"); - - memset(cmdstring, 0, sizeof(cmdstring)); - /* Command */ - cmdstring[0] = CMD_SET_TRIGGER_SAMPLERATE; - - /* Trigger source */ - cmdstring[2] = (ctx->triggersource & 0x03) << 6; - - /* Frame size */ - cmdstring[2] |= (ctx->framesize == FRAMESIZE_SMALL ? 0x01 : 0x02) << 3; - - /* Timebase fast (no idea what this means) */ - if (ctx->timebase < TIME_20us) - tmp = 0; - else if (ctx->timebase > TIME_200us) - tmp = 4; - else { - if (ctx->framesize == FRAMESIZE_SMALL) - tmp = timebasefast_small[ctx->timebase - 1]; - else - tmp = timebasefast_large[ctx->timebase - 1]; - } - cmdstring[2] |= tmp & 0x07; -cmdstring[2] = 0x45; - /* Selected channel */ - cmdstring[3] = (ctx->selected_channel & 0x03) << 6; -cmdstring[3] = 0x02; - - /* TODO: Fast rates channel */ - cmdstring[3] |= 0 << 5; - - /* Trigger slope */ - cmdstring[3] |= (ctx->triggerslope ? 1 : 0) << 4; - - /* Timebase */ - if (ctx->timebase < TIME_100us) - tmp = 0; - else if (ctx->timebase > TIME_400ms) - tmp = 0xffed; - else { - if (ctx->framesize == FRAMESIZE_SMALL) - tmp = timebase_small[ctx->timebase - 3]; - else - tmp = timebase_large[ctx->timebase - 3]; - } -tmp = 0xebff; - cmdstring[6] = tmp & 0xff; - cmdstring[7] = (tmp >> 8) & 0xff; - - /* Trigger position (time) */ - tmp = 0x77660 + ctx->triggerposition; -tmp = 0x7006f; - cmdstring[8] = tmp & 0xff; - cmdstring[9] = (tmp >> 8) & 0xff; - cmdstring[10] = (tmp >> 16) & 0xff; - - if (send_begin(ctx) != SR_OK) - return SR_ERR; - - if ((ret = libusb_bulk_transfer(ctx->usb->devhdl, - DSO_EP_OUT | LIBUSB_ENDPOINT_OUT, - cmdstring, sizeof(cmdstring), - &tmp, 100)) != 0) { - sr_err("Failed to set trigger/samplerate: %d", ret); - return SR_ERR; - } - - return SR_OK; -} - -SR_PRIV int dso_set_filters(struct context *ctx) -{ - int ret, tmp; - uint8_t cmdstring[8]; - - sr_dbg("hantek-dso: sending CMD_SET_FILTERS"); - - memset(cmdstring, 0, sizeof(cmdstring)); - cmdstring[0] = CMD_SET_FILTERS; - cmdstring[1] = 0x0f; - if (ctx->filter_ch1) - cmdstring[2] |= 0x80; - if (ctx->filter_ch2) - cmdstring[2] |= 0x40; - if (ctx->filter_trigger) - cmdstring[2] |= 0x20; - - if (send_begin(ctx) != SR_OK) - return SR_ERR; - - if ((ret = libusb_bulk_transfer(ctx->usb->devhdl, - DSO_EP_OUT | LIBUSB_ENDPOINT_OUT, - cmdstring, sizeof(cmdstring), - &tmp, 100)) != 0) { - sr_err("Failed to set filters: %d", ret); - return SR_ERR; - } - - return SR_OK; -} - -SR_PRIV int dso_set_voltage(struct context *ctx) -{ - int ret, tmp; - uint8_t cmdstring[8]; - - sr_dbg("hantek-dso: sending CMD_SET_VOLTAGE"); - - memset(cmdstring, 0, sizeof(cmdstring)); - cmdstring[0] = CMD_SET_VOLTAGE; - cmdstring[1] = 0x0f; - cmdstring[2] = 0x03; - cmdstring[2] |= ((2 - ctx->voltage_ch1 % 3) << 6); - cmdstring[2] |= ((2 - ctx->voltage_ch2 % 3) << 4); -cmdstring[2] = 0x30; - - if (send_begin(ctx) != SR_OK) - return SR_ERR; - - if ((ret = libusb_bulk_transfer(ctx->usb->devhdl, - DSO_EP_OUT | LIBUSB_ENDPOINT_OUT, - cmdstring, sizeof(cmdstring), - &tmp, 100)) != 0) { - sr_err("Failed to set voltage: %d", ret); - return SR_ERR; - } - - return SR_OK; -} - -SR_PRIV int dso_set_relays(struct context *ctx) -{ - int ret, cv1, cv2; - uint8_t relays[] = { 0x00, 0x04, 0x08, 0x02, 0x20, 0x40, 0x10, 0x01, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; - - sr_dbg("hantek-dso: sending CTRL_SETRELAYS"); - - cv1 = ctx->voltage_ch1 / 3; - cv2 = ctx->voltage_ch2 / 3; -relays[0] = 0x01; - if (cv1 > 0) - relays[1] = ~relays[1]; - - if (cv1 > 1) - relays[2] = ~relays[2]; - - if (ctx->coupling_ch1 != COUPLING_AC) - relays[3] = ~relays[3]; - - if (cv2 > 0) - relays[4] = ~relays[4]; - - if (cv2 > 1) - relays[5] = ~relays[5]; - - if (ctx->coupling_ch2 != COUPLING_AC) - relays[6] = ~relays[6]; - - if (ctx->triggersource == TRIGGER_EXT || ctx->triggersource == TRIGGER_EXT10) - relays[7] = ~relays[7]; - - if ((ret = libusb_control_transfer(ctx->usb->devhdl, - LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETRELAYS, - 0, 0, relays, sizeof(relays), 100)) != sizeof(relays)) { - sr_err("failed to set relays: %d", ret); - return SR_ERR; - } - - return SR_OK; -} - -SR_PRIV int dso_set_voffsets(struct context *ctx) -{ - int offset, ret; - uint16_t *ch_levels; -// uint8_t offsets[17]; -uint8_t offsets[] = {0x20,0x75,0x30,0x3f,0x20,0xbd,0x3f,0x02,0x20,0x00,0x71,0x01,0x2e,0x0b,0x3f,0x02,0x50}; -//uint8_t offsets[] = {0xff, 0x75, 0x30, 0x3f, 0x20, 0xbd, -// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -//}; - - sr_dbg("hantek-dso: sending CTRL_SETOFFSET"); - -// memset(offsets, 0, sizeof(offsets)); -// /* Channel 1 */ -// ch_levels = ctx->channel_levels[0][VOLTAGE_10mV - ctx->voltage_ch1]; -// offset = (ch_levels[1] - ch_levels[0]) * ctx->voffset_ch1 + ch_levels[0]; -// offsets[0] = (offset >> 8) | 0x20; -// offsets[1] = offset & 0xff; -// -// /* Channel 2 */ -// ch_levels = ctx->channel_levels[1][VOLTAGE_10mV - ctx->voltage_ch2]; -// offset = (ch_levels[1] - ch_levels[0]) * ctx->voffset_ch2 + ch_levels[0]; -// offsets[2] = (offset >> 8) | 0x20; -// offsets[3] = offset & 0xff; -// -// /* Trigger */ -// offset = MAX_VERT_TRIGGER * ctx->voffset_trigger; -// offsets[4] = (offset >> 8) | 0x20; -// offsets[5] = offset & 0xff; - - if ((ret = libusb_control_transfer(ctx->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_ERR; - } - - return SR_OK; -} - -SR_PRIV int dso_enable_trigger(struct context *ctx) -{ - int ret, tmp; - uint8_t cmdstring[2]; - - sr_dbg("hantek-dso: sending CMD_ENABLE_TRIGGER"); - - memset(cmdstring, 0, sizeof(cmdstring)); - cmdstring[0] = CMD_ENABLE_TRIGGER; - cmdstring[1] = 0x00; - - if (send_begin(ctx) != SR_OK) - return SR_ERR; - - if ((ret = libusb_bulk_transfer(ctx->usb->devhdl, - DSO_EP_OUT | LIBUSB_ENDPOINT_OUT, - cmdstring, sizeof(cmdstring), - &tmp, 100)) != 0) { - sr_err("Failed to enable trigger: %d", ret); - return SR_ERR; - } - - return SR_OK; -} - -SR_PRIV int dso_force_trigger(struct context *ctx) -{ - int ret, tmp; - uint8_t cmdstring[2]; - - sr_dbg("hantek-dso: sending CMD_FORCE_TRIGGER"); - - memset(cmdstring, 0, sizeof(cmdstring)); - cmdstring[0] = CMD_FORCE_TRIGGER; - cmdstring[1] = 0x00; - - if (send_begin(ctx) != SR_OK) - return SR_ERR; - - if ((ret = libusb_bulk_transfer(ctx->usb->devhdl, - DSO_EP_OUT | LIBUSB_ENDPOINT_OUT, - cmdstring, sizeof(cmdstring), - &tmp, 100)) != 0) { - sr_err("Failed to force trigger: %d", ret); - return SR_ERR; - } - - return SR_OK; -} - -SR_PRIV int dso_init(struct context *ctx) -{ - - sr_dbg("hantek-dso: initializing dso"); - - if (get_channel_offsets(ctx) != SR_OK) - return SR_ERR; - - if (dso_set_trigger_samplerate(ctx) != SR_OK) - return SR_ERR; - - if (dso_set_filters(ctx) != SR_OK) - return SR_ERR; - - if (dso_set_voltage(ctx) != SR_OK) - return SR_ERR; - - if (dso_set_relays(ctx) != SR_OK) - return SR_ERR; - - if (dso_set_voffsets(ctx) != SR_OK) - return SR_ERR; - - if (dso_enable_trigger(ctx) != SR_OK) - return SR_ERR; - - if (dso_force_trigger(ctx) != SR_OK) - return SR_ERR; - - return SR_OK; -} - -SR_PRIV uint8_t dso_get_capturestate(struct context *ctx) -{ - int ret, tmp; - uint8_t cmdstring[2], inbuf[512]; - - sr_dbg("hantek-dso: sending CMD_GET_CAPTURESTATE"); - - cmdstring[0] = CMD_GET_CAPTURESTATE; - cmdstring[1] = 0; - - if ((ret = send_bulkcmd(ctx, cmdstring, sizeof(cmdstring))) != SR_OK) { - sr_dbg("Failed to send get_capturestate command: %d", ret); - return CAPTURE_UNKNOWN; - } - - if ((ret = libusb_bulk_transfer(ctx->usb->devhdl, - DSO_EP_IN | LIBUSB_ENDPOINT_IN, - inbuf, 512, &tmp, 100)) != 0) { - sr_dbg("Failed to get capturestate: %d", ret); - return CAPTURE_UNKNOWN; - } - - return inbuf[0]; -} - -SR_PRIV uint8_t dso_capture_start(struct context *ctx) -{ - int ret; - uint8_t cmdstring[2]; - - sr_dbg("hantek-dso: sending CMD_CAPTURE_START"); - - cmdstring[0] = CMD_CAPTURE_START; - cmdstring[1] = 0; - - if ((ret = send_bulkcmd(ctx, 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) -{ - struct libusb_transfer *transfer; - int num_transfers, ret, i; - uint8_t cmdstring[2]; - unsigned char *buf; - - sr_dbg("hantek-dso: sending CMD_GET_CHANNELDATA"); - - cmdstring[0] = CMD_GET_CHANNELDATA; - cmdstring[1] = 0; - - if ((ret = send_bulkcmd(ctx, 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; - 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))) { - 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, - DSO_EP_IN | LIBUSB_ENDPOINT_IN, buf, - ctx->epin_maxpacketsize, cb, ctx, 40); - if ((ret = libusb_submit_transfer(transfer)) != 0) { - sr_err("failed to submit transfer: %d", ret); - /* TODO: Free them all. */ - libusb_free_transfer(transfer); - g_free(buf); - return SR_ERR; - } - } - - return SR_OK; -} -