lecroy-logicstudio: Initial driver implementation.
This supports both 8 and 16 channel modes with samplerates up to 500 MHz. Voltage thresholds are currently fixed at 1.58V.
This commit is contained in:
Tilman Sauerbeck
Uwe Hermann
parent
17b93fd7c0
commit
c7b17bcba3
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@ -335,6 +335,12 @@ libsigrok_la_SOURCES += \
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src/hardware/lascar-el-usb/protocol.c \
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src/hardware/lascar-el-usb/api.c
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endif
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if HW_LECROY_LOGICSTUDIO
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libsigrok_la_SOURCES += \
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src/hardware/lecroy-logicstudio/protocol.h \
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src/hardware/lecroy-logicstudio/protocol.c \
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src/hardware/lecroy-logicstudio/api.c
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endif
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if HW_MANSON_HCS_3XXX
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libsigrok_la_SOURCES += \
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src/hardware/manson-hcs-3xxx/protocol.h \
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@ -241,6 +241,7 @@ SR_DRIVER([Kecheng KC-330B], [kecheng-kc-330b], [libusb])
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SR_DRIVER([KERN scale], [kern-scale], [libserialport])
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SR_DRIVER([Korad KAxxxxP], [korad-kaxxxxp], [libserialport])
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SR_DRIVER([Lascar EL-USB], [lascar-el-usb], [libusb])
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SR_DRIVER([LeCroy LogicStudio], [lecroy-logicstudio], [libusb])
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SR_DRIVER([Manson HCS-3xxx], [manson-hcs-3xxx], [libserialport])
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SR_DRIVER([maynuo-m97], [maynuo-m97])
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SR_DRIVER([MIC 985xx], [mic-985xx], [libserialport])
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@ -108,6 +108,9 @@ extern SR_PRIV struct sr_dev_driver korad_kaxxxxp_driver_info;
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#ifdef HAVE_HW_LASCAR_EL_USB
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extern SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info;
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#endif
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#ifdef HAVE_HW_LECROY_LOGICSTUDIO
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extern SR_PRIV struct sr_dev_driver lecroy_logicstudio_driver_info;
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#endif
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#ifdef HAVE_HW_LINK_MSO19
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extern SR_PRIV struct sr_dev_driver link_mso19_driver_info;
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#endif
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@ -269,6 +272,9 @@ SR_PRIV struct sr_dev_driver **drivers_lists[] = {
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#ifdef HAVE_HW_LASCAR_EL_USB
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(DRVS) {&lascar_el_usb_driver_info, NULL},
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#endif
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#ifdef HAVE_HW_LECROY_LOGICSTUDIO
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(DRVS) {&lecroy_logicstudio_driver_info, NULL},
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#endif
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#ifdef HAVE_HW_LINK_MSO19
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(DRVS) {&link_mso19_driver_info, NULL},
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#endif
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@ -0,0 +1,559 @@
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/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2015 Tilman Sauerbeck <tilman@code-monkey.de>
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* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <string.h>
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#include "protocol.h"
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#define LOGICSTUDIO16_VID 0x05ff
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#define LOGICSTUDIO16_PID_LACK_FIRMWARE 0xa001
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#define LOGICSTUDIO16_PID_HAVE_FIRMWARE 0xa002
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#define USB_INTERFACE 0
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#define USB_CONFIGURATION 0
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#define FX2_FIRMWARE "lecroy-logicstudio16-fx2lp.fw"
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#define UNKNOWN_ADDRESS 0xff
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#define MAX_RENUM_DELAY_MS 3000
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static const uint32_t devopts[] = {
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SR_CONF_LOGIC_ANALYZER,
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SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
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SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
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SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
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};
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static const int32_t trigger_matches[] = {
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SR_TRIGGER_ZERO,
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SR_TRIGGER_ONE,
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SR_TRIGGER_RISING,
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SR_TRIGGER_FALLING,
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SR_TRIGGER_EDGE,
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};
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static const uint64_t samplerates[] = {
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SR_HZ(1000),
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SR_HZ(2500),
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SR_KHZ(5),
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SR_KHZ(10),
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SR_KHZ(25),
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SR_KHZ(50),
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SR_KHZ(100),
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SR_KHZ(250),
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SR_KHZ(500),
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SR_KHZ(1000),
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SR_KHZ(2500),
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SR_MHZ(5),
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SR_MHZ(10),
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SR_MHZ(25),
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SR_MHZ(50),
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SR_MHZ(100),
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SR_MHZ(250),
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SR_MHZ(500),
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};
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SR_PRIV struct sr_dev_driver lecroy_logicstudio_driver_info;
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static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
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{
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return std_init(sr_ctx, di, LOG_PREFIX);
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}
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static struct sr_dev_inst *create_device(struct sr_dev_driver *di,
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struct sr_usb_dev_inst *usb, enum sr_dev_inst_status status,
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int64_t fw_updated)
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{
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struct sr_dev_inst *sdi;
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struct dev_context *devc;
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char channel_name[8];
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int i;
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sdi = g_malloc0(sizeof(struct sr_dev_inst));
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sdi->status = status;
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sdi->vendor = g_strdup("LeCroy");
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sdi->model = g_strdup("LogicStudio16");
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sdi->driver = di;
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sdi->inst_type = SR_INST_USB;
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sdi->conn = usb;
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for (i = 0; i < 16; i++) {
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snprintf(channel_name, sizeof(channel_name), "D%i", i);
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sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name);
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}
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devc = g_malloc0(sizeof(struct dev_context));
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sdi->priv = devc;
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devc->fw_updated = fw_updated;
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devc->capture_ratio = 50;
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lls_set_samplerate(sdi, SR_MHZ(500));
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return sdi;
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}
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static GSList *scan(struct sr_dev_driver *di, GSList *options)
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{
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struct sr_dev_inst *sdi;
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struct drv_context *drvc;
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struct sr_usb_dev_inst *usb;
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struct libusb_device_descriptor des;
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libusb_device **devlist;
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GSList *devices;
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char connection_id[64];
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size_t i;
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int r;
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(void)options;
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drvc = di->context;
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drvc->instances = NULL;
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devices = NULL;
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libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
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for (i = 0; devlist[i]; i++) {
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libusb_get_device_descriptor(devlist[i], &des);
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if (des.idVendor != LOGICSTUDIO16_VID)
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continue;
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usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
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usb = NULL;
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switch (des.idProduct) {
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case LOGICSTUDIO16_PID_HAVE_FIRMWARE:
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usb = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
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libusb_get_device_address(devlist[i]), NULL);
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sdi = create_device(di, usb, SR_ST_INACTIVE, 0);
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break;
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case LOGICSTUDIO16_PID_LACK_FIRMWARE:
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r = ezusb_upload_firmware(drvc->sr_ctx, devlist[i],
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USB_CONFIGURATION, FX2_FIRMWARE);
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if (r != SR_OK) {
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/*
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* An error message has already been logged by
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* ezusb_upload_firmware().
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*/
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continue;
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}
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/*
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* Put unknown as the address so that we know we still
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* need to get the proper address after the device
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* renumerates.
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*/
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usb = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
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UNKNOWN_ADDRESS, NULL);
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sdi = create_device(di, usb, SR_ST_INITIALIZING,
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g_get_monotonic_time());
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break;
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default:
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break;
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}
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/* Cannot handle this device? */
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if (!usb)
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continue;
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sdi->connection_id = g_strdup(connection_id);
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drvc->instances = g_slist_append(drvc->instances, sdi);
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devices = g_slist_append(devices, sdi);
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}
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libusb_free_device_list(devlist, 1);
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return devices;
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}
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static GSList *dev_list(const struct sr_dev_driver *di)
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{
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return ((struct drv_context *)(di->context))->instances;
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}
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static int dev_clear(const struct sr_dev_driver *di)
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{
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return std_dev_clear(di, NULL);
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}
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static int open_device(struct sr_dev_inst *sdi)
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{
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struct drv_context *drvc;
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struct sr_usb_dev_inst *usb;
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struct libusb_device_descriptor des;
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libusb_device **devlist;
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char connection_id[64];
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bool is_opened;
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size_t i;
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int r;
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if (sdi->status == SR_ST_ACTIVE)
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return SR_ERR;
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drvc = sdi->driver->context;
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usb = sdi->conn;
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is_opened = FALSE;
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libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
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for (i = 0; devlist[i]; i++) {
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libusb_get_device_descriptor(devlist[i], &des);
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if (des.idVendor != LOGICSTUDIO16_VID ||
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des.idProduct != LOGICSTUDIO16_PID_HAVE_FIRMWARE)
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continue;
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usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
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/*
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* Check if this device is the same one that we associated
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* with this sdi in scan() and bail if it isn't.
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*/
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if (strcmp(sdi->connection_id, connection_id))
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continue;
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r = libusb_open(devlist[i], &usb->devhdl);
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if (r) {
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sr_err("Failed to open device: %s.",
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libusb_error_name(r));
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break;
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}
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/* Fix up address after firmware upload. */
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if (usb->address == UNKNOWN_ADDRESS)
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usb->address = libusb_get_device_address(devlist[i]);
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is_opened = TRUE;
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break;
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}
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libusb_free_device_list(devlist, 1);
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if (!is_opened)
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return SR_ERR;
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if ((r = libusb_claim_interface(usb->devhdl, USB_INTERFACE))) {
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sr_err("Failed to claim interface: %s.",
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libusb_error_name(r));
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return SR_ERR;
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}
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sdi->status = SR_ST_ACTIVE;
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return SR_OK;
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}
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static int dev_open(struct sr_dev_inst *sdi)
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{
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struct drv_context *drvc;
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struct dev_context *devc;
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int64_t timediff_us, timediff_ms;
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int ret;
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drvc = sdi->driver->context;
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devc = sdi->priv;
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if (!drvc) {
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sr_err("Driver was not initialized.");
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return SR_ERR;
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}
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/*
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* If we didn't need to upload FX2 firmware in scan(), open the device
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* right away. Otherwise, wait up to MAX_RENUM_DELAY_MS ms for the
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* FX2 to renumerate.
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*/
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if (!devc->fw_updated) {
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ret = open_device(sdi);
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} else {
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sr_info("Waiting for device to reset.");
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/* Takes >= 300ms for the FX2 to be gone from the USB bus. */
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g_usleep(300 * 1000);
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timediff_ms = 0;
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while (timediff_ms < MAX_RENUM_DELAY_MS) {
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ret = open_device(sdi);
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if (ret == SR_OK)
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break;
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g_usleep(100 * 1000);
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timediff_us = g_get_monotonic_time() - devc->fw_updated;
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timediff_ms = timediff_us / 1000;
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sr_spew("Waited %" PRIi64 "ms.", timediff_ms);
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}
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if (ret != SR_OK) {
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sr_err("Device failed to renumerate.");
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return SR_ERR;
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}
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sr_info("Device came back after %" PRIi64 "ms.", timediff_ms);
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}
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if (ret != SR_OK) {
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sr_err("Unable to open device.");
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return ret;
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}
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/*
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* Only allocate the sample buffer now since it's rather large.
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* Don't want to allocate it before we know we are going to use it.
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*/
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devc->fetched_samples = g_malloc(SAMPLE_BUF_SIZE);
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devc->conv8to16 = g_malloc(CONV_8TO16_BUF_SIZE);
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devc->intr_xfer = libusb_alloc_transfer(0);
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devc->bulk_xfer = libusb_alloc_transfer(0);
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return SR_OK;
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}
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static int dev_close(struct sr_dev_inst *sdi)
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{
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struct sr_usb_dev_inst *usb;
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struct dev_context *devc;
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usb = sdi->conn;
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devc = sdi->priv;
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g_free(devc->fetched_samples);
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devc->fetched_samples = NULL;
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g_free(devc->conv8to16);
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devc->conv8to16 = NULL;
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if (devc->intr_xfer) {
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devc->intr_xfer->buffer = NULL; /* Points into devc. */
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libusb_free_transfer(devc->intr_xfer);
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devc->intr_xfer = NULL;
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}
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if (devc->bulk_xfer) {
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devc->bulk_xfer->buffer = NULL; /* Points into devc. */
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libusb_free_transfer(devc->bulk_xfer);
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devc->bulk_xfer = NULL;
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}
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if (!usb->devhdl)
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return SR_ERR;
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libusb_release_interface(usb->devhdl, 0);
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libusb_close(usb->devhdl);
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usb->devhdl = NULL;
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sdi->status = SR_ST_INACTIVE;
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return SR_OK;
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}
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static int cleanup(const struct sr_dev_driver *di)
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{
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struct drv_context *drvc;
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int ret;
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drvc = di->context;
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ret = dev_clear(di);
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g_free(drvc);
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return ret;
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}
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static int config_get(uint32_t key, GVariant **data,
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const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
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{
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struct dev_context *devc;
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(void)cg;
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if (!sdi)
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return SR_ERR_ARG;
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devc = sdi->priv;
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switch (key) {
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case SR_CONF_SAMPLERATE:
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*data = g_variant_new_uint64(lls_get_samplerate(sdi));
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break;
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case SR_CONF_CAPTURE_RATIO:
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*data = g_variant_new_uint64(devc->capture_ratio);
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break;
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default:
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return SR_ERR_NA;
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}
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return SR_OK;
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}
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static int config_set(uint32_t key, GVariant *data,
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const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
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{
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struct dev_context *devc;
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(void)cg;
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if (!sdi)
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return SR_ERR_ARG;
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devc = sdi->priv;
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if (sdi->status != SR_ST_ACTIVE)
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return SR_ERR_DEV_CLOSED;
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switch (key) {
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case SR_CONF_SAMPLERATE:
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return lls_set_samplerate(sdi, g_variant_get_uint64(data));
|
||||
case SR_CONF_CAPTURE_RATIO:
|
||||
devc->capture_ratio = g_variant_get_uint64(data);
|
||||
if (devc->capture_ratio > 100)
|
||||
return SR_ERR;
|
||||
break;
|
||||
default:
|
||||
return SR_ERR_NA;
|
||||
}
|
||||
|
||||
return SR_OK;
|
||||
}
|
||||
|
||||
static int config_list(uint32_t key, GVariant **data,
|
||||
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
|
||||
{
|
||||
GVariantBuilder vb;
|
||||
GVariant *var;
|
||||
|
||||
(void)sdi;
|
||||
(void)cg;
|
||||
|
||||
switch (key) {
|
||||
case SR_CONF_DEVICE_OPTIONS:
|
||||
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
|
||||
devopts, ARRAY_SIZE(devopts),
|
||||
sizeof(uint32_t));
|
||||
break;
|
||||
case SR_CONF_SAMPLERATE:
|
||||
g_variant_builder_init(&vb, G_VARIANT_TYPE("a{sv}"));
|
||||
var = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
|
||||
samplerates, ARRAY_SIZE(samplerates),
|
||||
sizeof(uint64_t));
|
||||
g_variant_builder_add(&vb, "{sv}", "samplerates", var);
|
||||
*data = g_variant_builder_end(&vb);
|
||||
break;
|
||||
case SR_CONF_TRIGGER_MATCH:
|
||||
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
|
||||
trigger_matches, ARRAY_SIZE(trigger_matches),
|
||||
sizeof(int32_t));
|
||||
break;
|
||||
default:
|
||||
return SR_ERR_NA;
|
||||
}
|
||||
|
||||
return SR_OK;
|
||||
}
|
||||
|
||||
static int config_commit(const struct sr_dev_inst *sdi)
|
||||
{
|
||||
return lls_setup_acquisition(sdi);
|
||||
}
|
||||
|
||||
static int receive_usb_data(int fd, int revents, void *cb_data)
|
||||
{
|
||||
struct drv_context *drvc;
|
||||
struct timeval tv;
|
||||
|
||||
(void)fd;
|
||||
(void)revents;
|
||||
|
||||
drvc = (struct drv_context *) cb_data;
|
||||
|
||||
tv.tv_sec = 0;
|
||||
tv.tv_usec = 0;
|
||||
|
||||
libusb_handle_events_timeout_completed(drvc->sr_ctx->libusb_ctx,
|
||||
&tv, NULL);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
|
||||
{
|
||||
struct drv_context *drvc;
|
||||
int ret;
|
||||
|
||||
if (sdi->status != SR_ST_ACTIVE)
|
||||
return SR_ERR_DEV_CLOSED;
|
||||
|
||||
drvc = sdi->driver->context;
|
||||
|
||||
if ((ret = lls_start_acquisition(sdi)) < 0)
|
||||
return ret;
|
||||
|
||||
std_session_send_df_header(cb_data, LOG_PREFIX);
|
||||
|
||||
return usb_source_add(sdi->session, drvc->sr_ctx, 100,
|
||||
receive_usb_data, drvc);
|
||||
}
|
||||
|
||||
static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
|
||||
{
|
||||
(void)cb_data;
|
||||
|
||||
if (sdi->status != SR_ST_ACTIVE)
|
||||
return SR_ERR_DEV_CLOSED;
|
||||
|
||||
return lls_stop_acquisition(sdi);
|
||||
}
|
||||
|
||||
SR_PRIV struct sr_dev_driver lecroy_logicstudio_driver_info = {
|
||||
.name = "lecroy-logicstudio",
|
||||
.longname = "LeCroy LogicStudio",
|
||||
.api_version = 1,
|
||||
.init = init,
|
||||
.cleanup = cleanup,
|
||||
.scan = scan,
|
||||
.dev_list = dev_list,
|
||||
.dev_clear = dev_clear,
|
||||
.config_get = config_get,
|
||||
.config_set = config_set,
|
||||
.config_list = config_list,
|
||||
.config_commit = config_commit,
|
||||
.dev_open = dev_open,
|
||||
.dev_close = dev_close,
|
||||
.dev_acquisition_start = dev_acquisition_start,
|
||||
.dev_acquisition_stop = dev_acquisition_stop,
|
||||
.context = NULL,
|
||||
};
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,107 @@
|
|||
/*
|
||||
* This file is part of the libsigrok project.
|
||||
*
|
||||
* Copyright (C) 2015 Tilman Sauerbeck <tilman@code-monkey.de>
|
||||
*
|
||||
* 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_LECROY_LOGICSTUDIO_PROTOCOL_H
|
||||
#define LIBSIGROK_HARDWARE_LECROY_LOGICSTUDIO_PROTOCOL_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <glib.h>
|
||||
#include <libsigrok/libsigrok.h>
|
||||
#include "libsigrok-internal.h"
|
||||
|
||||
#define LOG_PREFIX "lecroy-logicstudio"
|
||||
|
||||
#define SAMPLE_BUF_SIZE 40960u
|
||||
#define CONV_8TO16_BUF_SIZE 8192
|
||||
#define INTR_BUF_SIZE 32
|
||||
|
||||
struct samplerate_info;
|
||||
|
||||
/** Private, per-device-instance driver context. */
|
||||
struct dev_context {
|
||||
struct libusb_transfer *intr_xfer;
|
||||
struct libusb_transfer *bulk_xfer;
|
||||
|
||||
const struct samplerate_info *samplerate_info;
|
||||
|
||||
/**
|
||||
* When the device is opened, this will point at a buffer
|
||||
* of SAMPLE_BUF_SIZE bytes.
|
||||
*/
|
||||
uint8_t *fetched_samples;
|
||||
|
||||
/**
|
||||
* Used to convert 8 bit samples (8 channels) to 16 bit samples
|
||||
* (16 channels), thus only used in 8 channel mode.
|
||||
* Holds CONV_8TO16_BUF_SIZE bytes.
|
||||
*/
|
||||
uint16_t *conv8to16;
|
||||
|
||||
int64_t fw_updated; /* Time of last FX2 firmware upload. */
|
||||
|
||||
/** The pre-trigger capture ratio in percent. */
|
||||
uint64_t capture_ratio;
|
||||
|
||||
uint64_t earliest_sample;
|
||||
uint64_t trigger_sample;
|
||||
|
||||
/** The number of eight-channel groups enabled (either 1 or 2). */
|
||||
uint32_t num_enabled_channel_groups;
|
||||
|
||||
/**
|
||||
* The number of samples to acquire (in thousands).
|
||||
* This is not customizable, but depending on the number
|
||||
* of enabled channel groups.
|
||||
*/
|
||||
uint32_t num_thousand_samples;
|
||||
|
||||
uint32_t total_received_sample_bytes;
|
||||
|
||||
/** Mask of enabled channels. */
|
||||
uint16_t channel_mask;
|
||||
|
||||
uint16_t acquisition_id;
|
||||
|
||||
gboolean want_trigger;
|
||||
gboolean abort_acquisition;
|
||||
|
||||
/**
|
||||
* These two magic values are required in order to fix a sample
|
||||
* buffer corruption. Before the first acquisition is run, they
|
||||
* need to be set to 0.
|
||||
*/
|
||||
uint8_t magic_arm_trigger;
|
||||
uint8_t magic_fetch_samples;
|
||||
|
||||
/**
|
||||
* Buffer for interrupt transfers (acquisition state notifications).
|
||||
*/
|
||||
uint8_t intr_buf[INTR_BUF_SIZE];
|
||||
};
|
||||
|
||||
SR_PRIV void lls_update_channel_mask(const struct sr_dev_inst *sdi);
|
||||
|
||||
SR_PRIV int lls_set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate);
|
||||
SR_PRIV uint64_t lls_get_samplerate(const struct sr_dev_inst *sdi);
|
||||
|
||||
SR_PRIV int lls_setup_acquisition(const struct sr_dev_inst *sdi);
|
||||
SR_PRIV int lls_start_acquisition(const struct sr_dev_inst *sdi);
|
||||
SR_PRIV int lls_stop_acquisition(const struct sr_dev_inst *sdi);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue