--- /dev/null
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2016 danselmi <da@da>
+ *
+ * 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 <config.h>
+#include "protocol.h"
+
+static const uint32_t ipdbg_la_drvopts[] = {
+ SR_CONF_LOGIC_ANALYZER,
+};
+
+static const uint32_t ipdbg_la_scanopts[] = {
+ SR_CONF_CONN,
+};
+
+static const uint32_t ipdbg_la_devopts[] = {
+ SR_CONF_TRIGGER_MATCH | SR_CONF_LIST | SR_CONF_SET,
+ SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_GET,
+};
+
+static const int32_t ipdbg_la_trigger_matches[] = {
+ SR_TRIGGER_ZERO,
+ SR_TRIGGER_ONE,
+ SR_TRIGGER_RISING,
+ SR_TRIGGER_FALLING,
+ SR_TRIGGER_EDGE,
+};
+
+SR_PRIV struct sr_dev_driver ipdbg_la_driver_info;
+
+static void ipdbg_la_split_addr_port(const char *conn, char **addr,
+ char **port)
+{
+ char **strs = g_strsplit(conn, "/", 3);
+
+ *addr = g_strdup(strs[1]);
+ *port = g_strdup(strs[2]);
+
+ g_strfreev(strs);
+}
+
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
+{
+ struct drv_context *drvc;
+ GSList *devices;
+
+ devices = NULL;
+ drvc = di->context;
+ drvc->instances = NULL;
+ const char *conn;
+ struct sr_config *src;
+ GSList *l;
+
+ conn = NULL;
+ for (l = options; l; l = l->next) {
+ src = l->data;
+ switch (src->key) {
+ case SR_CONF_CONN:
+ conn = g_variant_get_string(src->data, NULL);
+ break;
+ }
+ }
+
+ if (!conn)
+ return NULL;
+
+ struct ipdbg_la_tcp *tcp = ipdbg_la_tcp_new();
+
+ ipdbg_la_split_addr_port(conn, &tcp->address, &tcp->port);
+
+ if (!tcp->address)
+ return NULL;
+
+ if (ipdbg_la_tcp_open(tcp) != SR_OK)
+ return NULL;
+
+ ipdbg_la_send_reset(tcp);
+ ipdbg_la_send_reset(tcp);
+
+ if (ipdbg_la_request_id(tcp) != SR_OK)
+ return NULL;
+
+ struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ if (!sdi) {
+ sr_err("no possible to allocate sr_dev_inst");
+ return NULL;
+ }
+
+ sdi->status = SR_ST_INACTIVE;
+ sdi->vendor = g_strdup("ipdbg.org");
+ sdi->model = g_strdup("IPDBG LA");
+ sdi->version = g_strdup("v1.0");
+ sdi->driver = di;
+
+ struct ipdbg_la_dev_context *devc = ipdbg_la_dev_new();
+ sdi->priv = devc;
+
+ ipdbg_la_get_addrwidth_and_datawidth(tcp, devc);
+
+ sr_dbg("addr_width = %d, data_width = %d\n", devc->ADDR_WIDTH,
+ devc->DATA_WIDTH);
+ sr_dbg("limit samples = %" PRIu64 "\n", devc->limit_samples_max);
+
+ for (uint32_t i = 0; i < devc->DATA_WIDTH; i++) {
+ const uint8_t buf_size = 16;
+ char buf[buf_size];
+ snprintf(buf, buf_size, "ch%d", i);
+ sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, buf);
+ }
+
+ sdi->inst_type = SR_INST_USER;
+ sdi->conn = tcp;
+
+ ipdbg_la_tcp_close(tcp);
+
+ devices = g_slist_append(devices, sdi);
+
+ return std_scan_complete(di, devices);
+}
+
+static int dev_clear(const struct sr_dev_driver *di)
+{
+ struct drv_context *drvc = di->context;
+ struct sr_dev_inst *sdi;
+ GSList *l;
+
+ if (drvc) {
+ for (l = drvc->instances; l; l = l->next) {
+ sdi = l->data;
+ struct ipdbg_la_tcp *tcp = sdi->conn;
+ if (tcp) {
+ ipdbg_la_tcp_close(tcp);
+ ipdbg_la_tcp_free(tcp);
+ g_free(tcp);
+ }
+ sdi->conn = NULL;
+ }
+ }
+
+ return std_dev_clear(di);
+}
+
+static int dev_open(struct sr_dev_inst *sdi)
+{
+ sdi->status = SR_ST_INACTIVE;
+
+ struct ipdbg_la_tcp *tcp = sdi->conn;
+
+ if (!tcp)
+ return SR_ERR;
+
+ if (ipdbg_la_tcp_open(tcp) != SR_OK)
+ return SR_ERR;
+
+ sdi->status = SR_ST_ACTIVE;
+
+ return SR_OK;
+}
+
+static int dev_close(struct sr_dev_inst *sdi)
+{
+ // Should be called before a new call to scan()
+ struct ipdbg_la_tcp *tcp = sdi->conn;
+
+ if (tcp)
+ ipdbg_la_tcp_close(tcp);
+
+ sdi->conn = NULL;
+ sdi->status = SR_ST_INACTIVE;
+
+ 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 = SR_OK;
+
+ (void)cg;
+
+ struct ipdbg_la_dev_context *devc = sdi->priv;
+
+ switch (key) {
+ case SR_CONF_CAPTURE_RATIO:
+ *data = g_variant_new_uint64(devc->capture_ratio);
+ break;
+ case SR_CONF_LIMIT_SAMPLES:
+ *data = g_variant_new_uint64(devc->limit_samples);
+ break;
+ default:
+ ret = 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 = SR_OK;
+ uint64_t value;
+
+ (void)cg;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
+ struct ipdbg_la_dev_context *devc = sdi->priv;
+
+ switch (key) {
+ case SR_CONF_CAPTURE_RATIO:
+ value = g_variant_get_uint64(data);
+ if (value <= 100)
+ devc->capture_ratio = value;
+ else
+ ret = SR_ERR;
+ break;
+ case SR_CONF_LIMIT_SAMPLES:
+ value = g_variant_get_uint64(data);
+ if (value <= devc->limit_samples_max)
+ devc->limit_samples = value;
+ else
+ ret = SR_ERR;
+ 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)
+{
+ (void)cg;
+
+ switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ ipdbg_la_scanopts,
+ ARRAY_SIZE
+ (ipdbg_la_scanopts),
+ sizeof(uint32_t));
+ break;
+ case SR_CONF_DEVICE_OPTIONS:
+ if (!sdi)
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ ipdbg_la_drvopts,
+ ARRAY_SIZE
+ (ipdbg_la_drvopts),
+ sizeof(uint32_t));
+ else
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ ipdbg_la_devopts,
+ ARRAY_SIZE
+ (ipdbg_la_devopts),
+ sizeof(uint32_t));
+ break;
+ case SR_CONF_TRIGGER_MATCH:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ ipdbg_la_trigger_matches,
+ ARRAY_SIZE
+ (ipdbg_la_trigger_matches),
+ sizeof(int32_t));
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+
+ return SR_OK;
+}
+
+static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
+{
+ return std_init(di, sr_ctx);
+}
+
+static GSList *dev_list(const struct sr_dev_driver *di)
+{
+ return ((struct drv_context *)(di->context))->instances;
+}
+
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
+{
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
+ struct ipdbg_la_tcp *tcp = sdi->conn;
+ struct ipdbg_la_dev_context *devc = sdi->priv;
+
+ ipdbg_la_convert_trigger(sdi);
+ ipdbg_la_send_trigger(devc, tcp);
+ ipdbg_la_send_delay(devc, tcp);
+
+ /* If the device stops sending for longer than it takes to send a byte,
+ * that means it's finished. But wait at least 100 ms to be safe.
+ */
+ sr_session_source_add(sdi->session, tcp->socket, G_IO_IN, 100,
+ ipdbg_la_receive_data, (struct sr_dev_inst *)sdi);
+
+ ipdbg_la_send_start(tcp);
+
+ return SR_OK;
+}
+
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
+{
+ struct ipdbg_la_tcp *tcp = sdi->conn;
+ struct ipdbg_la_dev_context *devc = sdi->priv;
+
+ uint8_t byte;
+
+ if (devc->num_transfers > 0) {
+ while (devc->num_transfers <
+ (devc->limit_samples_max * devc->DATA_WIDTH_BYTES)) {
+ ipdbg_la_tcp_receive(tcp, &byte);
+ devc->num_transfers++;
+ }
+ }
+
+ ipdbg_la_send_reset(tcp);
+ ipdbg_la_abort_acquisition(sdi);
+
+ return SR_OK;
+}
+
+SR_PRIV struct sr_dev_driver ipdbg_la_driver_info = {
+ .name = "ipdbg-la",
+ .longname = "IPDBG LA",
+ .api_version = 1,
+ .init = init,
+ .cleanup = std_cleanup,
+ .scan = scan,
+ .dev_list = 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(ipdbg_la_driver_info);
projects / libsigrok.git / blobdiff