+++ /dev/null
-/*
- * This file is part of the sigrok project.
- *
- * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.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 2 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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <fcntl.h>
-#include <glib.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-#include "protocol.h"
-
-#define SERIALCOMM "9600/8e1"
-
-static const int hwopts[] = {
- SR_CONF_CONN,
- SR_CONF_SERIALCOMM,
- 0,
-};
-
-static const int hwcaps[] = {
- SR_CONF_SOUNDLEVELMETER,
- SR_CONF_LIMIT_SAMPLES,
- SR_CONF_CONTINUOUS,
- 0,
-};
-
-SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
-static struct sr_dev_driver *di = &tondaj_sl_814_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;
-
- if (!(drvc = di->priv))
- return SR_OK;
-
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data))
- continue;
- if (!(devc = sdi->priv))
- continue;
- sr_serial_dev_inst_free(devc->serial);
- sr_dev_inst_free(sdi);
- }
-
- g_slist_free(drvc->instances);
- drvc->instances = NULL;
-
- return SR_OK;
-}
-
-static int hw_init(struct sr_context *sr_ctx)
-{
- return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
-}
-
-static GSList *hw_scan(GSList *options)
-{
- struct drv_context *drvc;
- struct dev_context *devc;
- struct sr_dev_inst *sdi;
- struct sr_config *src;
- struct sr_probe *probe;
- GSList *devices, *l;
- const char *conn, *serialcomm;
-
- drvc = di->priv;
- drvc->instances = NULL;
-
- devices = NULL;
-
- conn = serialcomm = NULL;
- for (l = options; l; l = l->next) {
- if (!(src = l->data)) {
- sr_err("Invalid option data, skipping.");
- continue;
- }
- switch (src->key) {
- case SR_CONF_CONN:
- conn = src->value;
- break;
- case SR_CONF_SERIALCOMM:
- serialcomm = src->value;
- break;
- default:
- sr_err("Unknown option %d, skipping.", src->key);
- break;
- }
- }
- if (!conn)
- return NULL;
- if (!serialcomm)
- serialcomm = SERIALCOMM;
-
- if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj",
- "SL-814", NULL))) {
- sr_err("Failed to create device instance.");
- return NULL;
- }
-
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_err("Device context malloc failed.");
- return NULL;
- }
-
- if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
- return NULL;
-
- if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
- return NULL;
-
- sdi->priv = devc;
- sdi->driver = di;
- probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1");
- if (!probe) {
- sr_err("Failed to create probe.");
- return NULL;
- }
- sdi->probes = g_slist_append(sdi->probes, probe);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devices = g_slist_append(devices, sdi);
-
- return devices;
-}
-
-static GSList *hw_dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
-static int hw_dev_open(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- devc = sdi->priv;
-
- if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
- return SR_ERR;
-
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
-}
-
-static int hw_dev_close(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- devc = sdi->priv;
-
- if (devc->serial && devc->serial->fd != -1) {
- serial_close(devc->serial);
- sdi->status = SR_ST_INACTIVE;
- }
-
- return SR_OK;
-}
-
-static int hw_cleanup(void)
-{
- clear_instances();
-
- return SR_OK;
-}
-
-static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't set config options.");
- return SR_ERR;
- }
-
- devc = sdi->priv;
-
- switch (id) {
- case SR_CONF_LIMIT_SAMPLES:
- devc->limit_samples = *(const uint64_t *)value;
- sr_dbg("Setting sample limit to %" PRIu64 ".",
- devc->limit_samples);
- break;
- default:
- sr_err("Unknown hardware capability: %d.", id);
- return SR_ERR_ARG;
- }
-
- return SR_OK;
-}
-
-static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
-{
-
- (void)sdi;
-
- switch (key) {
- case SR_CONF_SCAN_OPTIONS:
- *data = hwopts;
- break;
- case SR_CONF_DEVICE_OPTIONS:
- *data = hwcaps;
- break;
- default:
- return SR_ERR_ARG;
- }
-
- return SR_OK;
-}
-
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
-{
- struct dev_context *devc;
-
- devc = sdi->priv;
- devc->cb_data = cb_data;
-
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
-
- /* Poll every 500ms, or whenever some data comes in. */
- sr_source_add(devc->serial->fd, G_IO_IN, 500,
- tondaj_sl_814_receive_data, (void *)sdi);
-
- return SR_OK;
-}
-
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
- int ret, final_ret;
- struct sr_datafeed_packet packet;
- struct dev_context *devc;
-
- final_ret = SR_OK;
-
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't stop acquisition.");
- return SR_ERR;
- }
-
- devc = sdi->priv;
-
- if ((ret = sr_source_remove(devc->serial->fd)) < 0) {
- sr_err("Error removing source: %d.", ret);
- final_ret = SR_ERR;
- }
-
- if ((ret = hw_dev_close(sdi)) < 0) {
- sr_err("Error closing device: %d.", ret);
- final_ret = SR_ERR;
- }
-
- /* Send end packet to the session bus. */
- sr_dbg("Sending SR_DF_END.");
- packet.type = SR_DF_END;
- sr_session_send(cb_data, &packet);
-
- return final_ret;
-}
-
-SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
- .name = "tondaj-sl-814",
- .longname = "Tondaj SL-814",
- .api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .config_get = NULL,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
projects / libsigrok.git / blobdiff