+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2016 George Hopkins <george-hopkins@null.net>
+ *
+ * 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/>.
+ */
+
+#include <string.h>
+#include <config.h>
+#include "protocol.h"
+
+#define SERIALCOMM "115200/8n1"
+
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+};
+
+static const uint32_t drvopts[] = {
+ SR_CONF_SOUNDLEVELMETER,
+};
+
+static const uint32_t devopts[] = {
+ SR_CONF_CONTINUOUS | SR_CONF_SET,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
+};
+
+static const char *weight_freq[] = {
+ "A",
+ "C",
+};
+
+static const char *weight_time[] = {
+ "F",
+ "S",
+};
+
+static const uint64_t meas_ranges[][2] = {
+ { 30, 130 },
+ { 30, 80 },
+ { 50, 100 },
+ { 80, 130 },
+};
+
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
+{
+ struct drv_context *drvc;
+ struct dev_context *devc;
+ struct sr_config *src;
+ struct sr_serial_dev_inst *serial;
+ struct sr_dev_inst *sdi;
+ GSList *l, *devices;
+ const char *conn;
+
+ conn = NULL;
+ for (l = options; l; l = l->next) {
+ src = l->data;
+ if (src->key == SR_CONF_CONN)
+ conn = g_variant_get_string(src->data, NULL);
+ }
+ if (!conn)
+ return NULL;
+
+ serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
+
+ if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
+ return NULL;
+
+ devices = NULL;
+ drvc = di->context;
+
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ sdi->status = SR_ST_INACTIVE;
+ sdi->vendor = g_strdup("PCE");
+ sdi->model = g_strdup("PCE-322A");
+ devc = g_malloc0(sizeof(struct dev_context));
+ devc->cur_mqflags = SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_FREQ_WEIGHT_A;
+ sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
+ sdi->inst_type = SR_INST_SERIAL;
+ sdi->priv = devc;
+ sdi->driver = di;
+ sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devices = g_slist_append(devices, sdi);
+
+ serial_close(serial);
+
+ return devices;
+}
+
+static int dev_clear(const struct sr_dev_driver *di)
+{
+ return std_dev_clear(di, NULL);
+}
+
+static int config_get(uint32_t key, GVariant **data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+{
+ struct dev_context *devc;
+ GVariant *range[2];
+ uint64_t low, high;
+ uint64_t tmp;
+ int ret;
+
+ (void)cg;
+
+ if (!sdi)
+ return SR_ERR_ARG;
+
+ devc = sdi->priv;
+ ret = SR_OK;
+ switch (key) {
+ case SR_CONF_LIMIT_SAMPLES:
+ *data = g_variant_new_uint64(devc->limit_samples);
+ break;
+ case SR_CONF_SPL_WEIGHT_FREQ:
+ tmp = pce_322a_weight_freq_get(sdi);
+ if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
+ *data = g_variant_new_string("A");
+ else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
+ *data = g_variant_new_string("C");
+ else
+ return SR_ERR;
+ break;
+ case SR_CONF_SPL_WEIGHT_TIME:
+ tmp = pce_322a_weight_time_get(sdi);
+ if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
+ *data = g_variant_new_string("F");
+ else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
+ *data = g_variant_new_string("S");
+ else
+ return SR_ERR;
+ break;
+ case SR_CONF_SPL_MEASUREMENT_RANGE:
+ if ((ret = pce_322a_meas_range_get(sdi, &low, &high)) == SR_OK) {
+ range[0] = g_variant_new_uint64(low);
+ range[1] = g_variant_new_uint64(high);
+ *data = g_variant_new_tuple(range, 2);
+ }
+ break;
+ case SR_CONF_POWER_OFF:
+ *data = g_variant_new_boolean(FALSE);
+ break;
+ 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)
+{
+ struct dev_context *devc;
+ uint64_t tmp_u64, low, high;
+ unsigned int i;
+ int ret;
+ const char *tmp_str;
+
+ (void)cg;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
+ devc = sdi->priv;
+
+ ret = SR_OK;
+ switch (key) {
+ case SR_CONF_LIMIT_SAMPLES:
+ tmp_u64 = g_variant_get_uint64(data);
+ devc->limit_samples = tmp_u64;
+ ret = SR_OK;
+ break;
+ case SR_CONF_SPL_WEIGHT_FREQ:
+ tmp_str = g_variant_get_string(data, NULL);
+ if (!strcmp(tmp_str, "A"))
+ ret = pce_322a_weight_freq_set(sdi,
+ SR_MQFLAG_SPL_FREQ_WEIGHT_A);
+ else if (!strcmp(tmp_str, "C"))
+ ret = pce_322a_weight_freq_set(sdi,
+ SR_MQFLAG_SPL_FREQ_WEIGHT_C);
+ else
+ return SR_ERR_ARG;
+ break;
+ case SR_CONF_SPL_WEIGHT_TIME:
+ tmp_str = g_variant_get_string(data, NULL);
+ if (!strcmp(tmp_str, "F"))
+ ret = pce_322a_weight_time_set(sdi,
+ SR_MQFLAG_SPL_TIME_WEIGHT_F);
+ else if (!strcmp(tmp_str, "S"))
+ ret = pce_322a_weight_time_set(sdi,
+ SR_MQFLAG_SPL_TIME_WEIGHT_S);
+ else
+ return SR_ERR_ARG;
+ break;
+ case SR_CONF_SPL_MEASUREMENT_RANGE:
+ g_variant_get(data, "(tt)", &low, &high);
+ ret = SR_ERR_ARG;
+ for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
+ if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
+ ret = pce_322a_meas_range_set(sdi, low, high);
+ break;
+ }
+ }
+ break;
+ case SR_CONF_POWER_OFF:
+ if (g_variant_get_boolean(data))
+ ret = pce_322a_power_off(sdi);
+ break;
+ 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)
+{
+ GVariant *tuple, *range[2];
+ GVariantBuilder gvb;
+ unsigned int i;
+ int ret;
+
+ (void)cg;
+
+ ret = SR_OK;
+ if (!sdi) {
+ switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
+ break;
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+ } else {
+ 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_SPL_WEIGHT_FREQ:
+ *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
+ break;
+ case SR_CONF_SPL_WEIGHT_TIME:
+ *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
+ break;
+ case SR_CONF_SPL_MEASUREMENT_RANGE:
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+ for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
+ range[0] = g_variant_new_uint64(meas_ranges[i][0]);
+ range[1] = g_variant_new_uint64(meas_ranges[i][1]);
+ tuple = g_variant_new_tuple(range, 2);
+ g_variant_builder_add_value(&gvb, tuple);
+ }
+ *data = g_variant_builder_end(&gvb);
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+ }
+
+ return ret;
+}
+
+static int dev_open(struct sr_dev_inst *sdi)
+{
+ int ret;
+
+ ret = std_serial_dev_open(sdi);
+ if (ret != SR_OK)
+ return ret;
+
+ return pce_322a_connect(sdi);
+}
+
+static int dev_close(struct sr_dev_inst *sdi)
+{
+ /*
+ * Ensure device gets properly disconnected even when there was
+ * no acquisition.
+ */
+ pce_322a_disconnect(sdi);
+
+ return std_serial_dev_close(sdi);
+}
+
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
+ devc = sdi->priv;
+ devc->buffer_len = 0;
+
+ std_session_send_df_header(sdi, LOG_PREFIX);
+
+ /* Poll every 150ms, or whenever some data comes in. */
+ serial = sdi->conn;
+ serial_source_add(sdi->session, serial, G_IO_IN, 150,
+ pce_322a_receive_data, (void *)sdi);
+
+ return SR_OK;
+}
+
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
+{
+ pce_322a_disconnect(sdi);
+
+ return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
+ sdi->conn, LOG_PREFIX);
+}
+
+static struct sr_dev_driver pce_322a_driver_info = {
+ .name = "pce-322a",
+ .longname = "PCE PCE-322A",
+ .api_version = 1,
+ .init = std_init,
+ .cleanup = std_cleanup,
+ .scan = scan,
+ .dev_list = std_dev_list,
+ .dev_clear = 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(pce_322a_driver_info);