From: Bert Vermeulen Date: Mon, 29 Oct 2012 21:33:47 +0000 (+0100) Subject: colead-slm: Initial driver skeleton. X-Git-Tag: dsupstream~604 X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=4d729ddcaf395de1d04af93dd5ea569cfbc17de4;p=libsigrok.git colead-slm: Initial driver skeleton. --- diff --git a/configure.ac b/configure.ac index 850384c5..68fa273b 100644 --- a/configure.ac +++ b/configure.ac @@ -114,6 +114,15 @@ if test "x$LA_CHRONOVU_LA8" = "xyes"; then AC_DEFINE(HAVE_LA_CHRONOVU_LA8, 1, [ChronoVu LA8 support]) fi +AC_ARG_ENABLE(colead-slm, AC_HELP_STRING([--enable-colead-slm], + [enable Colead SLM support [default=yes]]), + [HW_COLEAD_SLM="$enableval"], + [HW_COLEAD_SLM=yes]) +AM_CONDITIONAL(HW_COLEAD_SLM, test x$HW_COLEAD_SLM = xyes) +if test "x$HW_COLEAD_SLM" = "xyes"; then + AC_DEFINE(HAVE_HW_COLEAD_SLM, 1, [Colead SLM support]) +fi + AC_ARG_ENABLE(demo, AC_HELP_STRING([--enable-demo], [enable demo driver support [default=yes]]), [LA_DEMO="$enableval"], @@ -335,6 +344,7 @@ AC_CONFIG_FILES([Makefile version.h hardware/Makefile hardware/alsa/Makefile hardware/asix-sigma/Makefile hardware/chronovu-la8/Makefile + hardware/colead-slm/Makefile hardware/common/Makefile hardware/common/dmm/Makefile hardware/demo/Makefile @@ -382,6 +392,7 @@ echo -e "\nEnabled hardware drivers:\n" echo " - Agilent DMM..................... $HW_AGILENT_DMM" echo " - ASIX SIGMA/SIGMA2............... $LA_ASIX_SIGMA" echo " - ChronoVu LA8.................... $LA_CHRONOVU_LA8" +echo " - Colead SLM...................... $HW_COLEAD_SLM" echo " - Demo driver..................... $LA_DEMO" echo " - Fluke DMM....................... $HW_FLUKE_DMM" echo " - fx2lafw (for FX2 LAs)........... $LA_FX2LAFW" diff --git a/hardware/Makefile.am b/hardware/Makefile.am index 66b31fcf..4753d8ea 100644 --- a/hardware/Makefile.am +++ b/hardware/Makefile.am @@ -23,6 +23,7 @@ SUBDIRS = \ alsa \ asix-sigma \ chronovu-la8 \ + colead-slm \ common \ demo \ fluke-dmm \ @@ -59,6 +60,10 @@ if LA_CHRONOVU_LA8 libsigrokhardware_la_LIBADD += chronovu-la8/libsigrokhwchronovula8.la endif +if HW_COLEAD_SLM +libsigrokhardware_la_LIBADD += colead-slm/libsigrok_hw_colead_slm.la +endif + if LA_DEMO libsigrokhardware_la_LIBADD += demo/libsigrokhwdemo.la endif diff --git a/hardware/colead-slm/Makefile.am b/hardware/colead-slm/Makefile.am new file mode 100644 index 00000000..ece4b78a --- /dev/null +++ b/hardware/colead-slm/Makefile.am @@ -0,0 +1,33 @@ +## +## This file is part of the libsigrok project. +## +## Copyright (C) 2012 Bert Vermeulen +## +## This program is free software: you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program. If not, see . +## + +if HW_COLEAD_SLM + +# Local lib, this is NOT meant to be installed! +noinst_LTLIBRARIES = libsigrok_hw_colead_slm.la + +libsigrok_hw_colead_slm_la_SOURCES = \ + api.c \ + protocol.c \ + protocol.h + +libsigrok_hw_colead_slm_la_CFLAGS = \ + -I$(top_srcdir) + +endif diff --git a/hardware/colead-slm/api.c b/hardware/colead-slm/api.c new file mode 100644 index 00000000..b85f831a --- /dev/null +++ b/hardware/colead-slm/api.c @@ -0,0 +1,191 @@ +/* + * This file is part of the libsigrok project. + * + * Copyright (C) 2012 Bert Vermeulen + * + * 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 +#include "libsigrok.h" +#include "libsigrok-internal.h" +#include "protocol.h" + +SR_PRIV struct sr_dev_driver colead_slm_driver_info; +static struct sr_dev_driver *di = &colead_slm_driver_info; + +/* Properly close and free all devices. */ +static int clear_instances(void) +{ + struct sr_dev_inst *sdi; + struct drv_context *drvc; + struct dev_context *devc; + GSList *l; + + drvc = di->priv; + for (l = drvc->instances; l; l = l->next) { + if (!(sdi = l->data)) + continue; + if (!(devc = sdi->priv)) + continue; + + /* TODO */ + + sr_dev_inst_free(sdi); + } + + g_slist_free(drvc->instances); + drvc->instances = NULL; + + return SR_OK; +} + +static int hw_init(void) +{ + struct drv_context *drvc; + + if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { + sr_err("Driver context malloc failed."); + return SR_ERR; + } + + /* TODO */ + + di->priv = drvc; + + return SR_OK; +} + +static GSList *hw_scan(GSList *options) +{ + struct drv_context *drvc; + GSList *devices; + + (void)options; + + devices = NULL; + drvc = di->priv; + drvc->instances = NULL; + + /* TODO */ + + return devices; +} + +static GSList *hw_dev_list(void) +{ + struct drv_context *drvc; + + drvc = di->priv; + + return drvc->instances; +} + +static int hw_dev_open(struct sr_dev_inst *sdi) +{ + /* TODO */ + + return SR_OK; +} + +static int hw_dev_close(struct sr_dev_inst *sdi) +{ + /* TODO */ + + return SR_OK; +} + +static int hw_cleanup(void) +{ + clear_instances(); + + /* TODO */ + + return SR_OK; +} + +static int hw_info_get(int info_id, const void **data, + const struct sr_dev_inst *sdi) +{ + switch (info_id) { + /* TODO */ + default: + sr_err("Unknown info_id: %d.", info_id); + return SR_ERR_ARG; + } + + return SR_OK; +} + +static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, + const void *value) +{ + int ret; + + if (sdi->status != SR_ST_ACTIVE) { + sr_err("Device inactive, can't set config options."); + return SR_ERR; + } + + ret = SR_OK; + switch (hwcap) { + /* TODO */ + default: + sr_err("Unknown hardware capability: %d.", hwcap); + ret = SR_ERR_ARG; + } + + return ret; +} + +static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, + void *cb_data) +{ + /* TODO */ + + return SR_OK; +} + +static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi, + void *cb_data) +{ + (void)cb_data; + + if (sdi->status != SR_ST_ACTIVE) { + sr_err("Device inactive, can't stop acquisition."); + return SR_ERR; + } + + /* TODO */ + + return SR_OK; +} + +SR_PRIV struct sr_dev_driver colead_slm_driver_info = { + .name = "colead-slm", + .longname = "Colead SLM", + .api_version = 1, + .init = hw_init, + .cleanup = hw_cleanup, + .scan = hw_scan, + .dev_list = hw_dev_list, + .dev_clear = clear_instances, + .dev_open = hw_dev_open, + .dev_close = hw_dev_close, + .info_get = hw_info_get, + .dev_config_set = hw_dev_config_set, + .dev_acquisition_start = hw_dev_acquisition_start, + .dev_acquisition_stop = hw_dev_acquisition_stop, + .priv = NULL, +}; diff --git a/hardware/colead-slm/protocol.c b/hardware/colead-slm/protocol.c new file mode 100644 index 00000000..b749646e --- /dev/null +++ b/hardware/colead-slm/protocol.c @@ -0,0 +1,42 @@ +/* + * This file is part of the libsigrok project. + * + * Copyright (C) 2012 Bert Vermeulen + * + * 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 +#include +#include "libsigrok.h" +#include "libsigrok-internal.h" +#include "protocol.h" + +SR_PRIV int colead_slm_receive_data(int fd, int revents, void *cb_data) +{ + const struct sr_dev_inst *sdi; + struct dev_context *devc; + + if (!(sdi = cb_data)) + return TRUE; + + if (!(devc = sdi->priv)) + return TRUE; + + if (revents == G_IO_IN) { + /* TODO */ + } + + return TRUE; +} diff --git a/hardware/colead-slm/protocol.h b/hardware/colead-slm/protocol.h new file mode 100644 index 00000000..5bf2d5ad --- /dev/null +++ b/hardware/colead-slm/protocol.h @@ -0,0 +1,53 @@ +/* + * This file is part of the libsigrok project. + * + * Copyright (C) 2012 Bert Vermeulen + * + * 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 . + */ + +#ifndef LIBSIGROK_HARDWARE_COLEAD_SLM_PROTOCOL_H +#define LIBSIGROK_HARDWARE_COLEAD_SLM_PROTOCOL_H + +#include +#include "libsigrok.h" +#include "libsigrok-internal.h" + +/* Message logging helpers with driver-specific prefix string. */ +#define DRIVER_LOG_DOMAIN "colead-slm: " +#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) +#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) +#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) +#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) +#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) +#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) + +/** Private, per-device-instance driver context. */ +struct dev_context { + /** The current sampling limit (in number of samples). */ + uint64_t limit_samples; + + /** The current sampling limit (in ms). */ + uint64_t limit_msec; + + /** Opaque pointer passed in by the frontend. */ + void *cb_data; + + /** The current number of already received samples. */ + uint64_t num_samples; +}; + +SR_PRIV int colead_slm_receive_data(int fd, int revents, void *cb_data); + +#endif diff --git a/hwdriver.c b/hwdriver.c index d739be42..33981f6f 100644 --- a/hwdriver.c +++ b/hwdriver.c @@ -68,6 +68,9 @@ static struct sr_hwcap_option sr_devopts[] = { }; /** @cond PRIVATE */ +#ifdef HAVE_HW_COLEAD_SLM +extern SR_PRIV struct sr_dev_driver colead_slm_driver_info; +#endif #ifdef HAVE_LA_DEMO extern SR_PRIV struct sr_dev_driver demo_driver_info; #endif @@ -117,6 +120,9 @@ extern SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info; /** @endcond */ static struct sr_dev_driver *drivers_list[] = { +#ifdef HAVE_HW_COLEAD_SLM + &colead_slm_driver_info, +#endif #ifdef HAVE_LA_DEMO &demo_driver_info, #endif