X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Ffx2lafw%2Fapi.c;fp=hardware%2Ffx2lafw%2Fapi.c;h=0000000000000000000000000000000000000000;hb=155b680da482cea2381becb73c51cfb838bff31e;hp=3242afcead486cb01dc4a7490d37101f6f4a4871;hpb=43cd4637285833706f8a404ca027bcf0ee75b9ae;p=libsigrok.git diff --git a/hardware/fx2lafw/api.c b/hardware/fx2lafw/api.c deleted file mode 100644 index 3242afce..00000000 --- a/hardware/fx2lafw/api.c +++ /dev/null @@ -1,618 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2013 Bert Vermeulen - * Copyright (C) 2012 Joel Holdsworth - * - * 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 "protocol.h" - -static const struct fx2lafw_profile supported_fx2[] = { - /* - * CWAV USBee AX - * EE Electronics ESLA201A - * ARMFLY AX-Pro - */ - { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL, - FIRMWARE_DIR "/fx2lafw-cwav-usbeeax.fw", - 0, NULL, NULL}, - /* - * CWAV USBee DX - * XZL-Studio DX - */ - { 0x08a9, 0x0015, "CWAV", "USBee DX", NULL, - FIRMWARE_DIR "/fx2lafw-cwav-usbeedx.fw", - DEV_CAPS_16BIT, NULL, NULL }, - - /* - * CWAV USBee SX - */ - { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, - FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw", - 0, NULL, NULL}, - - /* - * Saleae Logic - * EE Electronics ESLA100 - * Robomotic MiniLogic - * Robomotic BugLogic 3 - */ - { 0x0925, 0x3881, "Saleae", "Logic", NULL, - FIRMWARE_DIR "/fx2lafw-saleae-logic.fw", - 0, NULL, NULL}, - - /* - * Default Cypress FX2 without EEPROM, e.g.: - * Lcsoft Mini Board - * Braintechnology USB Interface V2.x - */ - { 0x04B4, 0x8613, "Cypress", "FX2", NULL, - FIRMWARE_DIR "/fx2lafw-cypress-fx2.fw", - DEV_CAPS_16BIT, NULL, NULL }, - - /* - * Braintechnology USB-LPS - */ - { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL, - FIRMWARE_DIR "/fx2lafw-braintechnology-usb-lps.fw", - DEV_CAPS_16BIT, NULL, NULL }, - - { 0, 0, 0, 0, 0, 0, 0, 0, 0 } -}; - -static const int32_t hwopts[] = { - SR_CONF_CONN, -}; - -static const int32_t hwcaps[] = { - SR_CONF_LOGIC_ANALYZER, - SR_CONF_TRIGGER_MATCH, - SR_CONF_SAMPLERATE, - - /* These are really implemented in the driver, not the hardware. */ - SR_CONF_LIMIT_SAMPLES, - SR_CONF_CONTINUOUS, -}; - -static const char *channel_names[] = { - "0", "1", "2", "3", "4", "5", "6", "7", - "8", "9", "10", "11", "12", "13", "14", "15", - NULL, -}; - -static const int32_t soft_trigger_matches[] = { - SR_TRIGGER_ZERO, - SR_TRIGGER_ONE, - SR_TRIGGER_RISING, - SR_TRIGGER_FALLING, - SR_TRIGGER_EDGE, -}; - -static const uint64_t samplerates[] = { - SR_KHZ(20), - SR_KHZ(25), - SR_KHZ(50), - SR_KHZ(100), - SR_KHZ(200), - SR_KHZ(250), - SR_KHZ(500), - SR_MHZ(1), - SR_MHZ(2), - SR_MHZ(3), - SR_MHZ(4), - SR_MHZ(6), - SR_MHZ(8), - SR_MHZ(12), - SR_MHZ(16), - SR_MHZ(24), -}; - -SR_PRIV struct sr_dev_driver fx2lafw_driver_info; -static struct sr_dev_driver *di = &fx2lafw_driver_info; - -static int init(struct sr_context *sr_ctx) -{ - return std_init(sr_ctx, di, LOG_PREFIX); -} - -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_channel *ch; - struct sr_config *src; - const struct fx2lafw_profile *prof; - GSList *l, *devices, *conn_devices; - struct libusb_device_descriptor des; - libusb_device **devlist; - struct libusb_device_handle *hdl; - int devcnt, num_logic_channels, ret, i, j; - const char *conn; - char manufacturer[64], product[64]; - - 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 fx2lafw compatible 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 ((ret = libusb_open(devlist[i], &hdl)) < 0) - continue; - - if (des.iManufacturer == 0) { - manufacturer[0] = '\0'; - } else if ((ret = libusb_get_string_descriptor_ascii(hdl, - des.iManufacturer, (unsigned char *) manufacturer, - sizeof(manufacturer))) < 0) { - sr_warn("Failed to get manufacturer string descriptor: %s.", - libusb_error_name(ret)); - continue; - } - - if (des.iProduct == 0) { - product[0] = '\0'; - } else if ((ret = libusb_get_string_descriptor_ascii(hdl, - des.iProduct, (unsigned char *) product, - sizeof(product))) < 0) { - sr_warn("Failed to get product string descriptor: %s.", - libusb_error_name(ret)); - continue; - } - - libusb_close(hdl); - - prof = NULL; - for (j = 0; supported_fx2[j].vid; j++) { - if (des.idVendor == supported_fx2[j].vid && - des.idProduct == supported_fx2[j].pid && - (!supported_fx2[j].usb_manufacturer || - !strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) && - (!supported_fx2[j].usb_manufacturer || - !strcmp(product, supported_fx2[j].usb_product))) { - prof = &supported_fx2[j]; - break; - } - } - - /* Skip if the device was not found. */ - if (!prof) - continue; - - devcnt = g_slist_length(drvc->instances); - sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, - prof->vendor, prof->model, prof->model_version); - if (!sdi) - return NULL; - sdi->driver = di; - - /* Fill in channellist according to this device's profile. */ - num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8; - for (j = 0; j < num_logic_channels; j++) { - if (!(ch = sr_channel_new(j, SR_CHANNEL_LOGIC, TRUE, - channel_names[j]))) - return NULL; - sdi->channels = g_slist_append(sdi->channels, ch); - } - - devc = fx2lafw_dev_new(); - devc->profile = prof; - sdi->priv = devc; - drvc->instances = g_slist_append(drvc->instances, sdi); - devices = g_slist_append(devices, sdi); - - if (fx2lafw_check_conf_profile(devlist[i])) { - /* Already has the firmware, so fix the new address. */ - sr_dbg("Found an fx2lafw 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, - prof->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) -{ - return ((struct drv_context *)(di->priv))->instances; -} - -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 = fx2lafw_dev_open(sdi, di)) == 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 = fx2lafw_dev_open(sdi, di); - } - - 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 = samplerates[0]; - } - - 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("fx2lafw: 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)) - return SR_OK; - - ret = std_dev_clear(di, NULL); - - g_free(drvc); - di->priv = NULL; - - return ret; -} - -static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *cg) -{ - struct dev_context *devc; - struct sr_usb_dev_inst *usb; - char str[128]; - - (void)cg; - - if (!sdi) - return SR_ERR_ARG; - - devc = sdi->priv; - - switch (id) { - case SR_CONF_CONN: - if (!sdi->conn) - return SR_ERR_ARG; - usb = sdi->conn; - if (usb->address == 255) - /* Device still needs to re-enumerate after firmware - * upload, so we don't know its (future) address. */ - return SR_ERR; - snprintf(str, 128, "%d.%d", usb->bus, usb->address); - *data = g_variant_new_string(str); - break; - case SR_CONF_LIMIT_SAMPLES: - *data = g_variant_new_uint64(devc->limit_samples); - break; - case SR_CONF_SAMPLERATE: - *data = g_variant_new_uint64(devc->cur_samplerate); - break; - default: - return SR_ERR_NA; - } - - return SR_OK; -} - -static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *cg) -{ - struct dev_context *devc; - int ret; - - (void)cg; - - if (!sdi) - return SR_ERR_ARG; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR; - - devc = sdi->priv; - - ret = SR_OK; - - switch (id) - { - case SR_CONF_SAMPLERATE: - devc->cur_samplerate = g_variant_get_uint64(data); - break; - case SR_CONF_LIMIT_SAMPLES: - devc->limit_samples = g_variant_get_uint64(data); - break; - default: - ret = SR_ERR_NA; - } - - return ret; -} - -static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *cg) -{ - GVariant *gvar; - GVariantBuilder gvb; - - (void)sdi; - (void)cg; - - switch (key) { - case SR_CONF_SCAN_OPTIONS: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, - hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); - break; - case SR_CONF_DEVICE_OPTIONS: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, - hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_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; - case SR_CONF_TRIGGER_MATCH: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, - soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches), - sizeof(int32_t)); - break; - default: - return SR_ERR_NA; - } - - return SR_OK; -} - -static int receive_data(int fd, int revents, void *cb_data) -{ - struct timeval tv; - struct drv_context *drvc; - - (void)fd; - (void)revents; - (void)cb_data; - - drvc = di->priv; - - tv.tv_sec = tv.tv_usec = 0; - libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); - - return TRUE; -} - -static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) -{ - struct dev_context *devc; - struct drv_context *drvc; - struct sr_usb_dev_inst *usb; - struct sr_trigger *trigger; - struct libusb_transfer *transfer; - unsigned int i, timeout, num_transfers; - int ret; - unsigned char *buf; - size_t size; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - drvc = di->priv; - devc = sdi->priv; - usb = sdi->conn; - - devc->cb_data = cb_data; - devc->sent_samples = 0; - devc->acq_aborted = FALSE; - devc->empty_transfer_count = 0; - - if ((trigger = sr_session_trigger_get(sdi->session))) { - devc->stl = soft_trigger_logic_new(sdi, trigger); - devc->trigger_fired = FALSE; - } else - devc->trigger_fired = TRUE; - - timeout = fx2lafw_get_timeout(devc); - num_transfers = fx2lafw_get_number_of_transfers(devc); - size = fx2lafw_get_buffer_size(devc); - devc->submitted_transfers = 0; - - devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); - if (!devc->transfers) { - sr_err("USB transfers malloc failed."); - return SR_ERR_MALLOC; - } - - devc->num_transfers = num_transfers; - for (i = 0; i < num_transfers; i++) { - if (!(buf = g_try_malloc(size))) { - sr_err("USB transfer buffer malloc failed."); - return SR_ERR_MALLOC; - } - transfer = libusb_alloc_transfer(0); - libusb_fill_bulk_transfer(transfer, usb->devhdl, - 2 | LIBUSB_ENDPOINT_IN, buf, size, - fx2lafw_receive_transfer, (void *)sdi, 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); - fx2lafw_abort_acquisition(devc); - return SR_ERR; - } - devc->transfers[i] = transfer; - devc->submitted_transfers++; - } - - devc->ctx = drvc->sr_ctx; - - usb_source_add(sdi->session, devc->ctx, timeout, receive_data, NULL); - - /* Send header packet to the session bus. */ - std_session_send_df_header(cb_data, LOG_PREFIX); - - if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) { - fx2lafw_abort_acquisition(devc); - return ret; - } - - return SR_OK; -} - -static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) -{ - (void)cb_data; - - fx2lafw_abort_acquisition(sdi->priv); - - return SR_OK; -} - -SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { - .name = "fx2lafw", - .longname = "fx2lafw (generic driver for FX2 based LAs)", - .api_version = 1, - .init = init, - .cleanup = cleanup, - .scan = scan, - .dev_list = dev_list, - .dev_clear = NULL, - .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, -};