+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2017 Jan Luebbe <jluebbe@lasnet.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 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 <glib.h>
-#include <string.h>
-#include "protocol.h"
-
-#define BUF_COUNT (8)
-#define BUF_SIZE (16*1024)
-#define BUF_TIMEOUT (1000*1000)
-
-SR_PRIV struct sr_dev_driver saleae_logicpro_driver_info;
-
-static const uint32_t drvopts[] = {
- SR_CONF_LOGIC_ANALYZER,
-};
-
-static const uint32_t scanopts[] = {
- SR_CONF_CONN,
-};
-
-static const uint32_t devopts[] = {
- SR_CONF_CONTINUOUS,
- SR_CONF_CONN | SR_CONF_GET,
- SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
-};
-
-static const char *channel_names[] = {
- "0", "1", "2", "3", "4", "5", "6", "7",
- "8", "9", "10", "11", "12", "13", "14", "15",
-};
-
-static const uint64_t samplerates[] = {
- SR_MHZ(1),
- SR_MHZ(2),
- SR_KHZ(2500),
- SR_MHZ(10),
- SR_MHZ(25),
- SR_MHZ(50),
-};
-
-static gboolean scan_firmware(libusb_device *dev)
-{
- struct libusb_device_descriptor des;
- struct libusb_device_handle *hdl;
- gboolean ret;
- unsigned char strdesc[64];
-
- hdl = NULL;
- ret = FALSE;
-
- libusb_get_device_descriptor(dev, &des);
-
- if (libusb_open(dev, &hdl) != 0)
- goto out;
-
- if (libusb_get_string_descriptor_ascii(hdl,
- des.iManufacturer, strdesc, sizeof(strdesc)) < 0)
- goto out;
- if (strcmp((const char *)strdesc, "Saleae"))
- goto out;
-
- if (libusb_get_string_descriptor_ascii(hdl,
- des.iProduct, strdesc, sizeof(strdesc)) < 0)
- goto out;
- if (strcmp((const char *)strdesc, "Logic Pro"))
- goto out;
-
- ret = TRUE;
-
-out:
- if (hdl)
- libusb_close(hdl);
-
- return ret;
-}
-
-static GSList *scan(struct sr_dev_driver *di, GSList *options)
-{
- struct drv_context *drvc;
- struct dev_context *devc;
- struct sr_dev_inst *sdi;
- GSList *devices, *conn_devices;
- libusb_device **devlist;
- struct libusb_device_descriptor des;
- const char *conn;
- char connection_id[64];
-
- devices = NULL;
- drvc = di->context;
- drvc->instances = NULL;
-
- conn = NULL;
- for (GSList *l = options; l; l = l->next) {
- struct sr_config *src = l->data;
-
- switch (src->key) {
- case SR_CONF_CONN:
- conn = g_variant_get_string(src->data, NULL);
- break;
- }
- }
-
- if (conn)
- conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn);
- else
- conn_devices = NULL;
-
- libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
- for (unsigned int i = 0; devlist[i]; i++) {
- if (conn) {
- struct sr_usb_dev_inst *usb = NULL;
- GSList *l;
-
- for (l = conn_devices; l; l = l->next) {
- usb = l->data;
- if (usb->bus == libusb_get_bus_number(devlist[i])
- && usb->address == libusb_get_device_address(devlist[i]))
- break;
- }
- if (!l)
- /* This device matched none of the ones that
- * matched the conn specification. */
- continue;
- }
-
- libusb_get_device_descriptor(devlist[i], &des);
-
- usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
-
- if (des.idVendor != 0x21a9 || des.idProduct != 0x1006)
- continue;
-
- if (!scan_firmware(devlist[i])) {
- sr_err("Found a Logic Pro device, but firmware is not loaded (use Saleae application).");
- continue;
- }
-
- sdi = g_malloc0(sizeof(struct sr_dev_inst));
- sdi->status = SR_ST_INITIALIZING;
- sdi->vendor = g_strdup("Saleae");
- sdi->model = g_strdup("Logic Pro 16");
- sdi->connection_id = g_strdup(connection_id);
-
- for (unsigned int j = 0; j < ARRAY_SIZE(channel_names); j++)
- sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE,
- channel_names[j]);
-
- sr_dbg("Found a Logic Pro 16 device.");
- sdi->status = SR_ST_INACTIVE;
- sdi->inst_type = SR_INST_USB;
- sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
- libusb_get_device_address(devlist[i]), NULL);
-
- devc = g_malloc0(sizeof(struct dev_context));
- sdi->priv = devc;
- devices = g_slist_append(devices, sdi);
-
- }
- libusb_free_device_list(devlist, 1);
- g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
-
- return std_scan_complete(di, devices);
-}
-
-static int dev_clear(const struct sr_dev_driver *di)
-{
- return std_dev_clear(di, NULL);
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
- struct sr_dev_driver *di = sdi->driver;
- struct drv_context *drvc = di->context;
- struct dev_context *devc = sdi->priv;
- struct sr_usb_dev_inst *usb = sdi->conn;
- int ret;
-
- if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
- return SR_ERR;
-
- if ((ret = libusb_claim_interface(usb->devhdl, 0))) {
- sr_err("Failed to claim interface: %s.", libusb_error_name(ret));
- return SR_ERR;
- }
-
- /* configure default samplerate */
- if (devc->dig_samplerate == 0)
- devc->dig_samplerate = samplerates[3];
-
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
- struct sr_usb_dev_inst *usb = sdi->conn;
-
- sr_usb_close(usb);
-
- 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)
-{
- struct sr_usb_dev_inst *usb;
- struct dev_context *devc;
- int ret;
-
- (void)cg;
-
- ret = SR_OK;
- switch (key) {
- case SR_CONF_CONN:
- if (!sdi || !sdi->conn)
- return SR_ERR_ARG;
- usb = sdi->conn;
- *data = g_variant_new_printf("%d.%d", usb->bus, usb->address);
- break;
- case SR_CONF_SAMPLERATE:
- if (!sdi)
- return SR_ERR;
- devc = sdi->priv;
- *data = g_variant_new_uint64(devc->dig_samplerate);
- 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;
- int ret;
-
- (void)cg;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
- devc = sdi->priv;
-
- ret = SR_OK;
- switch (key) {
- case SR_CONF_SAMPLERATE:
- devc->dig_samplerate = g_variant_get_uint64(data);
- 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 *gvar;
- GVariantBuilder gvb;
- int ret;
-
- (void)sdi;
- (void)cg;
-
- ret = SR_OK;
- 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:
- if (!sdi) {
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- drvopts,
- ARRAY_SIZE(drvopts),
- sizeof(uint32_t));
- } else {
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- devopts,
- ARRAY_SIZE(devopts),
- sizeof(uint32_t));
- }
- break;
- case SR_CONF_SAMPLERATE:
- g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
- gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
- samplerates, ARRAY_SIZE(samplerates), sizeof(uint64_t));
- g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
- *data = g_variant_builder_end(&gvb);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return ret;
-}
-
-static void dev_acquisition_abort(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc = sdi->priv;
- unsigned int i;
-
- for (i = 0; i < devc->num_transfers; i++) {
- if (devc->transfers[i])
- libusb_cancel_transfer(devc->transfers[i]);
- }
-}
-
-static int dev_acquisition_handle(int fd, int revents, void *cb_data)
-{
- struct sr_dev_inst *sdi = cb_data;
- struct drv_context *drvc = sdi->driver->context;
- struct timeval tv = {};
-
- (void)fd;
- (void)revents;
-
- libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
-
- return TRUE;
-}
-
-static int dev_acquisition_start(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc = sdi->priv;
- struct drv_context *drvc = sdi->driver->context;
- struct libusb_transfer *transfer;
- struct sr_usb_dev_inst *usb;
- uint8_t *buf;
- unsigned int i, ret;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- ret = saleae_logicpro_init(sdi);
- if (ret != SR_OK)
- return ret;
-
- ret = saleae_logicpro_prepare(sdi);
- if (ret != SR_OK)
- return ret;
-
- usb = sdi->conn;
-
- devc->conv_buffer = g_malloc(CONV_BUFFER_SIZE);
-
- devc->num_transfers = BUF_COUNT;
- devc->transfers = g_malloc0(sizeof(*devc->transfers) * BUF_COUNT);
- for (i = 0; i < devc->num_transfers; i++) {
- buf = g_malloc(BUF_SIZE);
- transfer = libusb_alloc_transfer(0);
- libusb_fill_bulk_transfer(transfer, usb->devhdl,
- 2 | LIBUSB_ENDPOINT_IN, buf, BUF_SIZE,
- saleae_logicpro_receive_data, (void *)sdi, BUF_TIMEOUT);
- if ((ret = libusb_submit_transfer(transfer)) != 0) {
- sr_err("Failed to submit transfer: %s.",
- libusb_error_name(ret));
- libusb_free_transfer(transfer);
- g_free(buf);
- dev_acquisition_abort(sdi);
- return SR_ERR;
- }
- devc->transfers[i] = transfer;
- devc->submitted_transfers++;
- }
-
- usb_source_add(sdi->session, drvc->sr_ctx, BUF_TIMEOUT, dev_acquisition_handle, (void *)sdi);
-
- std_session_send_df_header(sdi);
-
- saleae_logicpro_start(sdi);
- if (ret != SR_OK)
- return ret;
-
- return SR_OK;
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc = sdi->priv;
- struct drv_context *drvc = sdi->driver->context;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- saleae_logicpro_stop(sdi);
-
- std_session_send_df_end(sdi);
-
- usb_source_remove(sdi->session, drvc->sr_ctx);
-
- g_free(devc->conv_buffer);
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver saleae_logicpro_driver_info = {
- .name = "saleae-logicpro",
- .longname = "saleae-logicpro",
- .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(saleae_logicpro_driver_info);
projects / libsigrok.git / blobdiff