+++ /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_org_la_drvopts[] = {
- SR_CONF_LOGIC_ANALYZER,
-};
-
-static const uint32_t ipdbg_org_la_scanopts[] = {
- SR_CONF_CONN,
-};
-
-static const uint32_t ipdbg_org_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_org_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_org_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_org_la_tcp *tcp = ipdbg_org_la_tcp_new();
-
- ipdbg_org_la_split_addr_port(conn, &tcp->address, &tcp->port);
-
- if (!tcp->address)
- return NULL;
-
- if (ipdbg_org_la_tcp_open(tcp) != SR_OK)
- return NULL;
-
- ipdbg_org_la_send_reset(tcp);
- ipdbg_org_la_send_reset(tcp);
-
- if (ipdbg_org_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("Logic Analyzer");
- sdi->version = g_strdup("v1.0");
- sdi->driver = di;
-
- struct ipdbg_org_la_dev_context *devc = ipdbg_org_la_dev_new();
- sdi->priv = devc;
-
- ipdbg_org_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_org_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_org_la_tcp *tcp = sdi->conn;
- if (tcp) {
- ipdbg_org_la_tcp_close(tcp);
- ipdbg_org_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_org_la_tcp *tcp = sdi->conn;
-
- if (!tcp)
- return SR_ERR;
-
- if (ipdbg_org_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_org_la_tcp *tcp = sdi->conn;
-
- if (tcp)
- ipdbg_org_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_org_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_org_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_org_la_scanopts,
- ARRAY_SIZE
- (ipdbg_org_la_scanopts),
- sizeof(uint32_t));
- break;
- case SR_CONF_DEVICE_OPTIONS:
- if (!sdi)
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- ipdbg_org_la_drvopts,
- ARRAY_SIZE
- (ipdbg_org_la_drvopts),
- sizeof(uint32_t));
- else
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- ipdbg_org_la_devopts,
- ARRAY_SIZE
- (ipdbg_org_la_devopts),
- sizeof(uint32_t));
- break;
- case SR_CONF_TRIGGER_MATCH:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- ipdbg_org_la_trigger_matches,
- ARRAY_SIZE
- (ipdbg_org_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_org_la_tcp *tcp = sdi->conn;
- struct ipdbg_org_la_dev_context *devc = sdi->priv;
-
- ipdbg_org_la_convert_trigger(sdi);
- ipdbg_org_la_send_trigger(devc, tcp);
- ipdbg_org_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_org_la_receive_data, (struct sr_dev_inst *)sdi);
-
- ipdbg_org_la_send_start(tcp);
-
- return SR_OK;
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi)
-{
- struct ipdbg_org_la_tcp *tcp = sdi->conn;
- struct ipdbg_org_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_org_la_tcp_receive(tcp, &byte);
- devc->num_transfers++;
- }
- }
-
- ipdbg_org_la_send_reset(tcp);
- ipdbg_org_la_abort_acquisition(sdi);
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver ipdbg_la_driver_info = {
- .name = "ipdbg-org-la",
- .longname = "ipdbg.org logic analyzer",
- .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