--- /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 512
+#define BUF_SIZE (16 * 1024)
+#define BUF_TIMEOUT 1000
+
+SR_PRIV struct sr_dev_driver saleae_logic_pro_driver_info;
+
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+};
+
+static const uint32_t drvopts[] = {
+ SR_CONF_LOGIC_ANALYZER,
+};
+
+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),
+};
+
+#define FW_HEADER_SIZE 7
+#define FW_MAX_PART_SIZE (4 * 1024)
+
+static int upload_firmware(struct sr_context *ctx, libusb_device *dev, const char *name)
+{
+ struct libusb_device_handle *hdl = NULL;
+ unsigned char *firmware = NULL;
+ int ret = SR_ERR;
+ size_t fw_size, fw_offset = 0;
+ uint32_t part_address = 0;
+ uint16_t part_size = 0;
+ uint8_t part_final = 0;
+
+ firmware = sr_resource_load(ctx, SR_RESOURCE_FIRMWARE,
+ name, &fw_size, 256 * 1024);
+ if (!firmware)
+ goto out;
+
+ sr_info("Uploading firmware '%s'.", name);
+
+ if (libusb_open(dev, &hdl) != 0)
+ goto out;
+
+ while ((fw_offset + FW_HEADER_SIZE) <= fw_size) {
+ part_size = GUINT16_FROM_LE(*(uint16_t*)(firmware + fw_offset));
+ part_address = GUINT32_FROM_LE(*(uint32_t*)(firmware + fw_offset + 2));
+ part_final = *(uint8_t*)(firmware + fw_offset + 6);
+ if (part_size > FW_MAX_PART_SIZE) {
+ sr_err("Part too large (%d).", part_size);
+ goto out;
+ }
+ fw_offset += FW_HEADER_SIZE;
+ if ((fw_offset + part_size) > fw_size) {
+ sr_err("Truncated firmware file.");
+ goto out;
+ }
+ ret = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR |
+ LIBUSB_ENDPOINT_OUT, 0xa0,
+ part_address & 0xffff, part_address >> 16,
+ firmware + fw_offset, part_size,
+ 100);
+ if (ret < 0) {
+ sr_err("Unable to send firmware to device: %s.",
+ libusb_error_name(ret));
+ ret = SR_ERR;
+ goto out;
+ }
+ if (part_size)
+ sr_spew("Uploaded %d bytes.", part_size);
+ else
+ sr_info("Started firmware at 0x%x.", part_address);
+ fw_offset += part_size;
+ }
+
+ if ((!part_final) || (part_size != 0)) {
+ sr_err("Missing final part.");
+ goto out;
+ }
+
+ ret = SR_OK;
+
+ sr_info("Firmware upload done.");
+
+ out:
+ if (hdl)
+ libusb_close(hdl);
+
+ g_free(firmware);
+
+ return ret;
+}
+
+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];
+ gboolean fw_loaded = FALSE;
+
+ devices = NULL;
+ conn_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;
+ }
+ }
+
+ libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
+ for (unsigned int i = 0; devlist[i]; i++) {
+ libusb_get_device_descriptor(devlist[i], &des);
+
+ if (des.idVendor != 0x21a9 || des.idProduct != 0x1006)
+ continue;
+
+ if (!scan_firmware(devlist[i])) {
+ const char *fwname;
+ sr_info("Found a Logic Pro 16 device (no firmware loaded).");
+ fwname = "saleae-logicpro16-fx3.fw";
+ if (upload_firmware(drvc->sr_ctx, devlist[i],
+ fwname) != SR_OK) {
+ sr_err("Firmware upload failed, name %s.", fwname);
+ continue;
+ };
+ fw_loaded = TRUE;
+ }
+
+ }
+ if (fw_loaded) {
+ /* Give the device some time to come back and scan again */
+ libusb_free_device_list(devlist, 1);
+ g_usleep(500 * 1000);
+ libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
+ }
+ if (conn)
+ conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn);
+ for (unsigned int i = 0; devlist[i]; i++) {
+ if (conn_devices) {
+ 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);
+
+ if (des.idVendor != 0x21a9 || des.idProduct != 0x1006)
+ continue;
+
+ if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0)
+ 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);
+
+ }
+ g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
+ libusb_free_device_list(devlist, 1);
+
+ return std_scan_complete(di, devices);
+}
+
+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];
+
+ return saleae_logic_pro_init(sdi);
+}
+
+static int dev_close(struct sr_dev_inst *sdi)
+{
+ sr_usb_close(sdi->conn);
+
+ 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;
+
+ (void)cg;
+
+ 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 SR_OK;
+}
+
+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;
+
+ (void)cg;
+
+ devc = sdi->priv;
+
+ switch (key) {
+ case SR_CONF_SAMPLERATE:
+ devc->dig_samplerate = g_variant_get_uint64(data);
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+
+ return SR_OK;
+}
+
+static int config_list(uint32_t key, GVariant **data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+{
+ switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ case SR_CONF_DEVICE_OPTIONS:
+ return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
+ case SR_CONF_SAMPLERATE:
+ *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates));
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+
+ return SR_OK;
+}
+
+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 = ALL_ZERO;
+
+ (void)fd;
+
+ libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
+
+ /* Handle timeout */
+ if (!revents)
+ sr_dev_acquisition_stop(sdi);
+
+ 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;
+
+ ret = saleae_logic_pro_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_logic_pro_receive_data, (void *)sdi, 0);
+ 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_logic_pro_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;
+
+ saleae_logic_pro_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_logic_pro_driver_info = {
+ .name = "saleae-logic-pro",
+ .longname = "Saleae Logic Pro",
+ .api_version = 1,
+ .init = std_init,
+ .cleanup = std_cleanup,
+ .scan = scan,
+ .dev_list = std_dev_list,
+ .dev_clear = std_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_logic_pro_driver_info);
projects / libsigrok.git / blobdiff