From: Gerhard Sittig Date: Fri, 6 Oct 2023 14:40:04 +0000 (+0200) Subject: greatfet: Initial driver skeleton. X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=commitdiff_plain;h=f594b3b05c481ee893dae5d05a5beaf5162b79e3 greatfet: Initial driver skeleton. --- diff --git a/Makefile.am b/Makefile.am index be52d55a..62aca8ac 100644 --- a/Makefile.am +++ b/Makefile.am @@ -377,6 +377,12 @@ src_libdrivers_la_SOURCES += \ src/hardware/gmc-mh-1x-2x/protocol.c \ src/hardware/gmc-mh-1x-2x/api.c endif +if HW_GREATFET +src_libdrivers_la_SOURCES += \ + src/hardware/greatfet/protocol.h \ + src/hardware/greatfet/protocol.c \ + src/hardware/greatfet/api.c +endif if HW_GWINSTEK_GDS_800 src_libdrivers_la_SOURCES += \ src/hardware/gwinstek-gds-800/protocol.h \ diff --git a/configure.ac b/configure.ac index 90a3c1c7..aee92a90 100644 --- a/configure.ac +++ b/configure.ac @@ -327,6 +327,7 @@ SR_DRIVER([Fluke DMM], [fluke-dmm], [serial_comm]) SR_DRIVER([FTDI LA], [ftdi-la], [libusb libftdi]) SR_DRIVER([fx2lafw], [fx2lafw], [libusb]) SR_DRIVER([GMC MH 1x/2x], [gmc-mh-1x-2x], [serial_comm]) +SR_DRIVER([GreatFET], [greatfet]) SR_DRIVER([GW Instek GDS-800], [gwinstek-gds-800], [serial_comm]) SR_DRIVER([GW Instek GPD], [gwinstek-gpd], [serial_comm]) SR_DRIVER([Hameg HMO], [hameg-hmo]) diff --git a/src/hardware/greatfet/api.c b/src/hardware/greatfet/api.c new file mode 100644 index 00000000..7de40a35 --- /dev/null +++ b/src/hardware/greatfet/api.c @@ -0,0 +1,154 @@ +/* + * This file is part of the libsigrok project. + * + * Copyright (C) 2023 Gerhard Sittig + * + * 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 "protocol.h" + +static struct sr_dev_driver greatfet_driver_info; + +static GSList *scan(struct sr_dev_driver *di, GSList *options) +{ + struct drv_context *drvc; + GSList *devices; + + (void)options; + + devices = NULL; + drvc = di->context; + drvc->instances = NULL; + + /* TODO: scan for devices, either based on a SR_CONF_CONN option + * or on a USB scan. */ + + return devices; +} + +static int dev_open(struct sr_dev_inst *sdi) +{ + (void)sdi; + + /* TODO: get handle from sdi->conn and open it. */ + + return SR_OK; +} + +static int dev_close(struct sr_dev_inst *sdi) +{ + (void)sdi; + + /* TODO: get handle from sdi->conn and close it. */ + + return SR_OK; +} + +static int config_get(uint32_t key, GVariant **data, + const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) +{ + int ret; + + (void)sdi; + (void)data; + (void)cg; + + ret = SR_OK; + switch (key) { + /* TODO */ + default: + return SR_ERR_NA; + } + + return ret; +} + +static int config_set(uint32_t key, GVariant *data, + const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) +{ + int ret; + + (void)sdi; + (void)data; + (void)cg; + + ret = SR_OK; + switch (key) { + /* TODO */ + default: + ret = SR_ERR_NA; + } + + return ret; +} + +static int config_list(uint32_t key, GVariant **data, + const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) +{ + int ret; + + (void)sdi; + (void)data; + (void)cg; + + ret = SR_OK; + switch (key) { + /* TODO */ + default: + return SR_ERR_NA; + } + + return ret; +} + +static int dev_acquisition_start(const struct sr_dev_inst *sdi) +{ + /* TODO: configure hardware, reset acquisition state, set up + * callbacks and send header packet. */ + + (void)sdi; + + return SR_OK; +} + +static int dev_acquisition_stop(struct sr_dev_inst *sdi) +{ + /* TODO: stop acquisition. */ + + (void)sdi; + + return SR_OK; +} + +static struct sr_dev_driver greatfet_driver_info = { + .name = "greatfet", + .longname = "GreatFET", + .api_version = 1, + .init = std_init, + .cleanup = std_cleanup, + .scan = scan, + .dev_list = std_dev_list, + .dev_clear = std_dev_clear, + .config_get = config_get, + .config_set = config_set, + .config_list = config_list, + .dev_open = dev_open, + .dev_close = dev_close, + .dev_acquisition_start = dev_acquisition_start, + .dev_acquisition_stop = dev_acquisition_stop, + .context = NULL, +}; +SR_REGISTER_DEV_DRIVER(greatfet_driver_info); diff --git a/src/hardware/greatfet/protocol.c b/src/hardware/greatfet/protocol.c new file mode 100644 index 00000000..e7751bc6 --- /dev/null +++ b/src/hardware/greatfet/protocol.c @@ -0,0 +1,43 @@ +/* + * This file is part of the libsigrok project. + * + * Copyright (C) 2023 Gerhard Sittig + * + * 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 "protocol.h" + +SR_PRIV int greatfet_receive_data(int fd, int revents, void *cb_data) +{ + const struct sr_dev_inst *sdi; + struct dev_context *devc; + + (void)fd; + + sdi = cb_data; + if (!sdi) + return TRUE; + + devc = sdi->priv; + if (!devc) + return TRUE; + + if (revents == G_IO_IN) { + /* TODO */ + } + + return TRUE; +} diff --git a/src/hardware/greatfet/protocol.h b/src/hardware/greatfet/protocol.h new file mode 100644 index 00000000..fc61b680 --- /dev/null +++ b/src/hardware/greatfet/protocol.h @@ -0,0 +1,35 @@ +/* + * This file is part of the libsigrok project. + * + * Copyright (C) 2023 Gerhard Sittig + * + * 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_GREATFET_PROTOCOL_H +#define LIBSIGROK_HARDWARE_GREATFET_PROTOCOL_H + +#include +#include +#include +#include "libsigrok-internal.h" + +#define LOG_PREFIX "greatfet" + +struct dev_context { +}; + +SR_PRIV int greatfet_receive_data(int fd, int revents, void *cb_data); + +#endif