scpi-pps: Initial driver skeleton.
This commit is contained in:
Bert Vermeulen
parent
af1e487e3f
commit
ca1a7cb56f
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@ -286,6 +286,12 @@ libsigrok_la_SOURCES += \
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src/hardware/saleae-logic16/protocol.c \
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src/hardware/saleae-logic16/api.c
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endif
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if HW_SCPI_PPS
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libsigrok_la_SOURCES += \
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src/hardware/scpi-pps/protocol.h \
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src/hardware/scpi-pps/protocol.c \
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src/hardware/scpi-pps/api.c
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endif
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if HW_SERIAL_DMM
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libsigrok_la_SOURCES += \
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src/hardware/serial-dmm/protocol.h \
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@ -132,6 +132,7 @@ DRIVER([OpenBench Logic Sniffer], [openbench-logic-sniffer])
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DRIVER([Pipistrello-OLS], [pipistrello-ols])
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DRIVER([Rigol DS], [rigol-ds])
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DRIVER([Saleae Logic16], [saleae-logic16])
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DRIVER([SCPI PPS], [scpi-pps])
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DRIVER([serial DMM], [serial-dmm])
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DRIVER([Sysclk LWLA], [sysclk-lwla])
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DRIVER([Teleinfo], [teleinfo])
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@ -625,6 +626,11 @@ if test "x$HW_SALEAE_LOGIC16" = "xyes"; then
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AC_DEFINE(HAVE_HW_SALEAE_LOGIC16, 1, [Saleae Logic16 support])
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fi
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AM_CONDITIONAL(HW_SCPI_PPS, test x$HW_SCPI_PPS = xyes)
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if test "x$HW_SCPI_PPS" = "xyes"; then
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AC_DEFINE(HAVE_HW_SCPI_PPS, 1, [SCPI PPS support])
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fi
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AM_CONDITIONAL(HW_SERIAL_DMM, test x$HW_SERIAL_DMM = xyes)
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if test "x$HW_SERIAL_DMM" = "xyes"; then
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AC_DEFINE(HAVE_HW_SERIAL_DMM, 1, [Serial DMM support])
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@ -118,6 +118,9 @@ extern SR_PRIV struct sr_dev_driver rigol_ds_driver_info;
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#ifdef HAVE_HW_SALEAE_LOGIC16
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extern SR_PRIV struct sr_dev_driver saleae_logic16_driver_info;
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#endif
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#ifdef HAVE_HW_SCPI_PPS
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extern SR_PRIV struct sr_dev_driver scpi_pps_driver_info;
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#endif
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#ifdef HAVE_HW_SERIAL_DMM
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extern SR_PRIV struct sr_dev_driver bbcgm_m2110_driver_info;
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extern SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
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@ -292,6 +295,9 @@ SR_PRIV struct sr_dev_driver *drivers_list[] = {
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#ifdef HAVE_HW_SALEAE_LOGIC16
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&saleae_logic16_driver_info,
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#endif
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#ifdef HAVE_HW_SCPI_PPS
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&scpi_pps_driver_info,
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#endif
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#ifdef HAVE_HW_SERIAL_DMM
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&bbcgm_m2110_driver_info,
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&digitek_dt4000zc_driver_info,
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@ -0,0 +1,191 @@
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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) 2014 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 "protocol.h"
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SR_PRIV struct sr_dev_driver scpi_pps_driver_info;
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static struct sr_dev_driver *di = &scpi_pps_driver_info;
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static int init(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 GSList *scan(GSList *options)
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{
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struct drv_context *drvc;
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GSList *devices;
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(void)options;
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devices = NULL;
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drvc = di->priv;
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drvc->instances = NULL;
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/* TODO: scan for devices, either based on a SR_CONF_CONN option
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* or on a USB scan. */
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return devices;
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}
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static GSList *dev_list(void)
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{
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return ((struct drv_context *)(di->priv))->instances;
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}
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static int dev_clear(void)
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{
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return std_dev_clear(di, NULL);
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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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(void)sdi;
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/* TODO: get handle from sdi->conn and open it. */
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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_close(struct sr_dev_inst *sdi)
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{
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(void)sdi;
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/* TODO: get handle from sdi->conn and close it. */
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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(void)
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{
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dev_clear();
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/* TODO: free other driver resources, if any. */
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return SR_OK;
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}
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static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
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const struct sr_channel_group *cg)
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{
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int ret;
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(void)sdi;
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(void)data;
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(void)cg;
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ret = SR_OK;
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switch (key) {
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/* TODO */
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default:
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return SR_ERR_NA;
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}
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return ret;
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}
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static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
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const struct sr_channel_group *cg)
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{
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int ret;
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(void)data;
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(void)cg;
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if (sdi->status != SR_ST_ACTIVE)
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return SR_ERR_DEV_CLOSED;
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ret = SR_OK;
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switch (key) {
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/* TODO */
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default:
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ret = SR_ERR_NA;
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}
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return ret;
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}
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static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
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const struct sr_channel_group *cg)
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{
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int ret;
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(void)sdi;
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(void)data;
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(void)cg;
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ret = SR_OK;
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switch (key) {
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/* TODO */
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default:
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return SR_ERR_NA;
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}
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return ret;
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}
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static int dev_acquisition_start(const struct sr_dev_inst *sdi,
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void *cb_data)
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{
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(void)sdi;
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(void)cb_data;
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if (sdi->status != SR_ST_ACTIVE)
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return SR_ERR_DEV_CLOSED;
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/* TODO: configure hardware, reset acquisition state, set up
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* callbacks and send header packet. */
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return SR_OK;
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}
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static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
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{
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(void)cb_data;
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if (sdi->status != SR_ST_ACTIVE)
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return SR_ERR_DEV_CLOSED;
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/* TODO: stop acquisition. */
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return SR_OK;
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}
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SR_PRIV struct sr_dev_driver scpi_pps_driver_info = {
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.name = "scpi-pps",
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.longname = "SCPI PPS",
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.api_version = 1,
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.init = init,
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.cleanup = cleanup,
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.scan = scan,
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.dev_list = dev_list,
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.dev_clear = dev_clear,
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.config_get = config_get,
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.config_set = config_set,
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.config_list = config_list,
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.dev_open = dev_open,
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.dev_close = dev_close,
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.dev_acquisition_start = dev_acquisition_start,
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.dev_acquisition_stop = dev_acquisition_stop,
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.priv = NULL,
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};
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@ -0,0 +1,40 @@
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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) 2014 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 "protocol.h"
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SR_PRIV int scpi_pps_receive_data(int fd, int revents, void *cb_data)
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{
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const struct sr_dev_inst *sdi;
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struct dev_context *devc;
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(void)fd;
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if (!(sdi = cb_data))
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return TRUE;
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if (!(devc = sdi->priv))
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return TRUE;
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if (revents == G_IO_IN) {
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/* TODO */
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}
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return TRUE;
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}
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@ -0,0 +1,44 @@
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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) 2014 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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#ifndef LIBSIGROK_HARDWARE_SCPI_PPS_PROTOCOL_H
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#define LIBSIGROK_HARDWARE_SCPI_PPS_PROTOCOL_H
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#include <stdint.h>
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#include <glib.h>
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#include "libsigrok.h"
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#include "libsigrok-internal.h"
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#define LOG_PREFIX "scpi-pps"
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/** Private, per-device-instance driver context. */
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struct dev_context {
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/* Model-specific information */
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/* Acquisition settings */
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/* Operational state */
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/* Temporary state across callbacks */
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};
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SR_PRIV int scpi_pps_receive_data(int fd, int revents, void *cb_data);
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#endif
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