X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fsaleae-logic16%2Fapi.c;h=55e3d75237231446ec8f9f44919b2b9fdf81f05e;hb=HEAD;hp=2878b16a3a4f0d9269eb5225917f046b58e1868f;hpb=5eea4305ad108b8549257170985688004e65d00b;p=libsigrok.git diff --git a/hardware/saleae-logic16/api.c b/hardware/saleae-logic16/api.c deleted file mode 100644 index 2878b16a..00000000 --- a/hardware/saleae-logic16/api.c +++ /dev/null @@ -1,492 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2013 Marcus Comstedt - * - * 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 . - */ - -#include -#include -#include -#include -#include "libsigrok.h" -#include "libsigrok-internal.h" -#include "protocol.h" - -#define LOGIC16_VID 0x21a9 -#define LOGIC16_PID 0x1001 -#define NUM_PROBES 16 - -#define USB_INTERFACE 0 -#define USB_CONFIGURATION 1 -#define FX2_FIRMWARE FIRMWARE_DIR "/saleae-logic16-fx2.fw" - -#define MAX_RENUM_DELAY_MS 3000 - - -SR_PRIV struct sr_dev_driver saleae_logic16_driver_info; -static struct sr_dev_driver *di = &saleae_logic16_driver_info; - -static const char *probe_names[NUM_PROBES + 1] = { - "0", "1", "2", "3", "4", "5", "6", "7", "8", - "9", "10", "11", "12", "13", "14", "15", - NULL, -}; - -static int init(struct sr_context *sr_ctx) -{ - return std_init(sr_ctx, di, LOG_PREFIX); -} - -static gboolean check_conf_profile(libusb_device *dev) -{ - struct libusb_device_descriptor des; - struct libusb_device_handle *hdl; - gboolean ret; - unsigned char strdesc[64]; - - hdl = NULL; - ret = FALSE; - while (!ret) { - /* Assume the FW has not been loaded, unless proven wrong. */ - if (libusb_get_device_descriptor(dev, &des) != 0) - break; - - if (libusb_open(dev, &hdl) != 0) - break; - - if (libusb_get_string_descriptor_ascii(hdl, - des.iManufacturer, strdesc, sizeof(strdesc)) < 0) - break; - if (strcmp((const char *)strdesc, "Saleae LLC")) - break; - - if (libusb_get_string_descriptor_ascii(hdl, - des.iProduct, strdesc, sizeof(strdesc)) < 0) - break; - if (strcmp((const char *)strdesc, "Logic S/16")) - break; - - /* If we made it here, it must be a configured Logic16. */ - ret = TRUE; - } - if (hdl) - libusb_close(hdl); - - return ret; -} - -static GSList *scan(GSList *options) -{ - struct drv_context *drvc; - struct dev_context *devc; - struct sr_dev_inst *sdi; - struct sr_usb_dev_inst *usb; - struct sr_probe *probe; - struct sr_config *src; - GSList *l, *devices, *conn_devices; - struct libusb_device_descriptor des; - libusb_device **devlist; - int devcnt, ret, i, j; - const char *conn; - - drvc = di->priv; - - 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) - conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); - else - conn_devices = NULL; - - /* Find all Logic16 devices and upload firmware to them. */ - devices = NULL; - libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); - for (i = 0; devlist[i]; i++) { - if (conn) { - usb = NULL; - 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; - } - - if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { - sr_warn("Failed to get device descriptor: %s.", - libusb_error_name(ret)); - continue; - } - - if (des.idVendor != LOGIC16_VID || des.idProduct != LOGIC16_PID) - continue; - - devcnt = g_slist_length(drvc->instances); - sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, - "Saleae", "Logic16", NULL); - if (!sdi) - return NULL; - sdi->driver = di; - - for (j = 0; probe_names[j]; j++) { - if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE, - probe_names[j]))) - return NULL; - sdi->probes = g_slist_append(sdi->probes, probe); - } - - if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) - return NULL; - sdi->priv = devc; - drvc->instances = g_slist_append(drvc->instances, sdi); - devices = g_slist_append(devices, sdi); - - if (check_conf_profile(devlist[i])) { - /* Already has the firmware, so fix the new address. */ - sr_dbg("Found a Logic16 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); - } else { - if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, - FX2_FIRMWARE) == SR_OK) - /* Store when this device's FW was updated. */ - devc->fw_updated = g_get_monotonic_time(); - else - sr_err("Firmware upload failed for " - "device %d.", devcnt); - sdi->inst_type = SR_INST_USB; - sdi->conn = sr_usb_dev_inst_new (libusb_get_bus_number(devlist[i]), - 0xff, NULL); - } - } - libusb_free_device_list(devlist, 1); - g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free); - - return devices; -} - -static GSList *dev_list(void) -{ - struct drv_context *drvc; - - drvc = di->priv; - - return drvc->instances; -} - -static int dev_clear(void) -{ - return std_dev_clear(di, NULL); -} - -static int logic16_dev_open(struct sr_dev_inst *sdi) -{ - libusb_device **devlist; - struct sr_usb_dev_inst *usb; - struct libusb_device_descriptor des; - struct dev_context *devc; - struct drv_context *drvc; - int ret, skip, i, device_count; - - drvc = di->priv; - devc = sdi->priv; - usb = sdi->conn; - - if (sdi->status == SR_ST_ACTIVE) - /* Device is already in use. */ - return SR_ERR; - - skip = 0; - device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); - if (device_count < 0) { - sr_err("Failed to get device list: %s.", - libusb_error_name(device_count)); - return SR_ERR; - } - - for (i = 0; i < device_count; i++) { - if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { - sr_err("Failed to get device descriptor: %s.", - libusb_error_name(ret)); - continue; - } - - if (des.idVendor != LOGIC16_VID - || des.idProduct != LOGIC16_PID) - continue; - - if (sdi->status == SR_ST_INITIALIZING) { - if (skip != sdi->index) { - /* Skip devices of this type that aren't the one we want. */ - skip += 1; - continue; - } - } else if (sdi->status == SR_ST_INACTIVE) { - /* - * This device is fully enumerated, so we need to find - * this device by vendor, product, bus and address. - */ - if (libusb_get_bus_number(devlist[i]) != usb->bus - || libusb_get_device_address(devlist[i]) != usb->address) - /* This is not the one. */ - continue; - } - - if (!(ret = libusb_open(devlist[i], &usb->devhdl))) { - if (usb->address == 0xff) - /* - * First time we touch this device after FW - * upload, so we don't know the address yet. - */ - usb->address = libusb_get_device_address(devlist[i]); - } else { - sr_err("Failed to open device: %s.", - libusb_error_name(ret)); - break; - } - - sdi->status = SR_ST_ACTIVE; - sr_info("Opened device %d on %d.%d, " - "interface %d.", - sdi->index, usb->bus, usb->address, - USB_INTERFACE); - - break; - } - libusb_free_device_list(devlist, 1); - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR; - - return SR_OK; -} - -static int dev_open(struct sr_dev_inst *sdi) -{ - struct sr_usb_dev_inst *usb; - struct dev_context *devc; - int ret; - int64_t timediff_us, timediff_ms; - - devc = sdi->priv; - usb = sdi->conn; - - /* - * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS - * milliseconds for the FX2 to renumerate. - */ - ret = SR_ERR; - if (devc->fw_updated > 0) { - sr_info("Waiting for device to reset."); - /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ - g_usleep(300 * 1000); - timediff_ms = 0; - while (timediff_ms < MAX_RENUM_DELAY_MS) { - if ((ret = logic16_dev_open(sdi)) == SR_OK) - break; - g_usleep(100 * 1000); - - timediff_us = g_get_monotonic_time() - devc->fw_updated; - timediff_ms = timediff_us / 1000; - sr_spew("Waited %" PRIi64 "ms.", timediff_ms); - } - if (ret != SR_OK) { - sr_err("Device failed to renumerate."); - return SR_ERR; - } - sr_info("Device came back after %" PRIi64 "ms.", timediff_ms); - } else { - sr_info("Firmware upload was not needed."); - ret = logic16_dev_open(sdi); - } - - if (ret != SR_OK) { - sr_err("Unable to open device."); - return SR_ERR; - } - - ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); - if (ret != 0) { - switch(ret) { - case LIBUSB_ERROR_BUSY: - sr_err("Unable to claim USB interface. Another " - "program or driver has already claimed it."); - break; - case LIBUSB_ERROR_NO_DEVICE: - sr_err("Device has been disconnected."); - break; - default: - sr_err("Unable to claim interface: %s.", - libusb_error_name(ret)); - break; - } - - return SR_ERR; - } - - if (devc->cur_samplerate == 0) { - /* Samplerate hasn't been set; default to the slowest one. */ - devc->cur_samplerate = 500000; - } - - return SR_OK; -} - -static int dev_close(struct sr_dev_inst *sdi) -{ - struct sr_usb_dev_inst *usb; - - usb = sdi->conn; - if (usb->devhdl == NULL) - return SR_ERR; - - sr_info("Closing device %d on %d.%d interface %d.", - sdi->index, usb->bus, usb->address, USB_INTERFACE); - libusb_release_interface(usb->devhdl, USB_INTERFACE); - libusb_close(usb->devhdl); - usb->devhdl = NULL; - sdi->status = SR_ST_INACTIVE; - - return SR_OK; -} - -static int cleanup(void) -{ - int ret; - struct drv_context *drvc; - - if (!(drvc = di->priv)) - /* Can get called on an unused driver, doesn't matter. */ - return SR_OK; - - ret = dev_clear(); - g_free(drvc); - di->priv = NULL; - - return ret; -} - -static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi) -{ - int ret; - - (void)sdi; - (void)data; - - ret = SR_OK; - switch (key) { - /* TODO */ - default: - return SR_ERR_NA; - } - - return ret; -} - -static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi) -{ - int ret; - - (void)data; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - ret = SR_OK; - switch (key) { - /* TODO */ - default: - ret = SR_ERR_NA; - } - - return ret; -} - -static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) -{ - int ret; - - (void)sdi; - (void)data; - - ret = SR_OK; - switch (key) { - /* TODO */ - default: - return SR_ERR_NA; - } - - return ret; -} - -static int dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) -{ - (void)sdi; - (void)cb_data; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - /* TODO: configure hardware, reset acquisition state, set up - * callbacks and send header packet. */ - - return SR_OK; -} - -static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) -{ - (void)cb_data; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - /* TODO: stop acquisition. */ - - return SR_OK; -} - -SR_PRIV struct sr_dev_driver saleae_logic16_driver_info = { - .name = "saleae-logic16", - .longname = "Saleae Logic16", - .api_version = 1, - .init = init, - .cleanup = 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, - .priv = NULL, -};