X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Ffx2lafw%2Ffx2lafw.c;h=5932e553c47b41f030c9e727acb36dbb17eed671;hb=f6beaac55ca58c406d6621038abe57c16a47e87f;hp=19f079b8d69775e527610b8cec1e1bb04c0076d5;hpb=cbc80f8f8afe28ff825449deffcc5aca7b51d7b8;p=libsigrok.git diff --git a/hardware/fx2lafw/fx2lafw.c b/hardware/fx2lafw/fx2lafw.c index 19f079b8..5932e553 100644 --- a/hardware/fx2lafw/fx2lafw.c +++ b/hardware/fx2lafw/fx2lafw.c @@ -1,7 +1,7 @@ /* - * This file is part of the sigrok project. + * This file is part of the libsigrok project. * - * Copyright (C) 2010-2012 Bert Vermeulen + * Copyright (C) 2013 Bert Vermeulen * Copyright (C) 2012 Joel Holdsworth * * This program is free software: you can redistribute it and/or modify @@ -81,14 +81,18 @@ static const struct fx2lafw_profile supported_fx2[] = { { 0, 0, 0, 0, 0, 0, 0 } }; -static const int hwcaps[] = { - SR_HWCAP_LOGIC_ANALYZER, - SR_HWCAP_SAMPLERATE, +static const int32_t hwopts[] = { + SR_CONF_CONN, +}; + +static const int32_t hwcaps[] = { + SR_CONF_LOGIC_ANALYZER, + SR_CONF_TRIGGER_TYPE, + SR_CONF_SAMPLERATE, /* These are really implemented in the driver, not the hardware. */ - SR_HWCAP_LIMIT_SAMPLES, - SR_HWCAP_CONTINUOUS, - 0, + SR_CONF_LIMIT_SAMPLES, + SR_CONF_CONTINUOUS, }; static const char *probe_names[] = { @@ -97,7 +101,7 @@ static const char *probe_names[] = { NULL, }; -static const uint64_t supported_samplerates[] = { +static const uint64_t samplerates[] = { SR_KHZ(20), SR_KHZ(25), SR_KHZ(50), @@ -114,22 +118,10 @@ static const uint64_t supported_samplerates[] = { SR_MHZ(12), SR_MHZ(16), SR_MHZ(24), - 0, -}; - -static const struct sr_samplerates samplerates = { - 0, - 0, - 0, - supported_samplerates, }; SR_PRIV struct sr_dev_driver fx2lafw_driver_info; static struct sr_dev_driver *di = &fx2lafw_driver_info; -static int hw_dev_close(struct sr_dev_inst *sdi); -static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, - const void *value); -static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); /** * Check the USB configuration to determine if this is an fx2lafw device. @@ -178,6 +170,7 @@ static gboolean check_conf_profile(libusb_device *dev) static int fx2lafw_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; @@ -187,6 +180,7 @@ static int fx2lafw_dev_open(struct sr_dev_inst *sdi) drvc = di->priv; devc = sdi->priv; + usb = sdi->conn; if (sdi->status == SR_ST_ACTIVE) /* Device is already in use. */ @@ -222,32 +216,32 @@ static int fx2lafw_dev_open(struct sr_dev_inst *sdi) * 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]) != devc->usb->bus - || libusb_get_device_address(devlist[i]) != devc->usb->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], &devc->usb->devhdl))) { - if (devc->usb->address == 0xff) + 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. */ - devc->usb->address = libusb_get_device_address(devlist[i]); + usb->address = libusb_get_device_address(devlist[i]); } else { sr_err("Failed to open device: %s.", libusb_error_name(ret)); break; } - ret = command_get_fw_version(devc->usb->devhdl, &vi); + ret = command_get_fw_version(usb->devhdl, &vi); if (ret != SR_OK) { sr_err("Failed to get firmware version."); break; } - ret = command_get_revid_version(devc->usb->devhdl, &revid); + ret = command_get_revid_version(usb->devhdl, &revid); if (ret != SR_OK) { sr_err("Failed to get REVID."); break; @@ -268,7 +262,7 @@ static int fx2lafw_dev_open(struct sr_dev_inst *sdi) sdi->status = SR_ST_ACTIVE; sr_info("Opened device %d on %d.%d, " "interface %d, firmware %d.%d.", - sdi->index, devc->usb->bus, devc->usb->address, + sdi->index, usb->bus, usb->address, USB_INTERFACE, vi.major, vi.minor); sr_info("Detected REVID=%d, it's a Cypress CY7C68013%s.", @@ -338,92 +332,80 @@ static struct dev_context *fx2lafw_dev_new(void) { struct dev_context *devc; - if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { + if (!(devc = g_try_malloc(sizeof(struct dev_context)))) { sr_err("Device context malloc failed."); return NULL; } - devc->trigger_stage = TRIGGER_FIRED; + devc->profile = NULL; + devc->fw_updated = 0; + devc->cur_samplerate = 0; + devc->limit_samples = 0; + devc->sample_wide = 0; return devc; } static int clear_instances(void) { - GSList *l; - struct sr_dev_inst *sdi; - struct drv_context *drvc; - struct dev_context *devc; - int ret; - - drvc = di->priv; - ret = SR_OK; - for (l = drvc->instances; l; l = l->next) { - if (!(sdi = l->data)) { - /* Log error, but continue cleaning up the rest. */ - sr_err("sdi was NULL, continuing."); - ret = SR_ERR_BUG; - continue; - } - if (!(devc = sdi->priv)) { - /* Log error, but continue cleaning up the rest. */ - sr_err("sdi->priv was NULL, continuing."); - ret = SR_ERR_BUG; - continue; - } - hw_dev_close(sdi); - sr_usb_dev_inst_free(devc->usb); - sdi = l->data; - sr_dev_inst_free(sdi); - } - - g_slist_free(drvc->instances); - drvc->instances = NULL; - - return ret; + return std_dev_clear(di, NULL); } -static int hw_init(struct sr_context *sr_ctx) +static int init(struct sr_context *sr_ctx) { - struct drv_context *drvc; - - if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { - sr_err("Driver context malloc failed."); - return SR_ERR_MALLOC; - } - - drvc->sr_ctx = sr_ctx; - di->priv = drvc; - - return SR_OK; + return std_init(sr_ctx, di, LOG_PREFIX); } -static GSList *hw_scan(GSList *options) +static GSList *scan(GSList *options) { - GSList *devices; - struct libusb_device_descriptor des; - struct sr_dev_inst *sdi; - const struct fx2lafw_profile *prof; 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; + const struct fx2lafw_profile *prof; + GSList *l, *devices, *conn_devices; + struct libusb_device_descriptor des; libusb_device **devlist; int devcnt, num_logic_probes, ret, i, j; - - (void)options; + const char *conn; drvc = di->priv; - /* This scan always invalidates any previous scans. */ - clear_instances(); + 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) { + if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { sr_warn("Failed to get device descriptor: %s.", libusb_error_name(ret)); continue; @@ -467,9 +449,9 @@ static GSList *hw_scan(GSList *options) /* Already has the firmware, so fix the new address. */ sr_dbg("Found an fx2lafw device."); sdi->status = SR_ST_INACTIVE; - devc->usb = sr_usb_dev_inst_new - (libusb_get_bus_number(devlist[i]), - libusb_get_device_address(devlist[i]), NULL); + 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) @@ -478,31 +460,31 @@ static GSList *hw_scan(GSList *options) else sr_err("Firmware upload failed for " "device %d.", devcnt); - devc->usb = sr_usb_dev_inst_new - (libusb_get_bus_number(devlist[i]), 0xff, NULL); + 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 *hw_dev_list(void) +static GSList *dev_list(void) { - struct drv_context *drvc; - - drvc = di->priv; - - return drvc->instances; + return ((struct drv_context *)(di->priv))->instances; } -static int hw_dev_open(struct sr_dev_inst *sdi) +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 @@ -538,9 +520,7 @@ static int hw_dev_open(struct sr_dev_inst *sdi) return SR_ERR; } - devc = sdi->priv; - - ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); + ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); if (ret != 0) { switch(ret) { case LIBUSB_ERROR_BUSY: @@ -561,33 +541,31 @@ static int hw_dev_open(struct sr_dev_inst *sdi) if (devc->cur_samplerate == 0) { /* Samplerate hasn't been set; default to the slowest one. */ - if (hw_dev_config_set(sdi, SR_HWCAP_SAMPLERATE, - &supported_samplerates[0]) == SR_ERR) - return SR_ERR; + devc->cur_samplerate = samplerates[0]; } return SR_OK; } -static int hw_dev_close(struct sr_dev_inst *sdi) +static int dev_close(struct sr_dev_inst *sdi) { - struct dev_context *devc; + struct sr_usb_dev_inst *usb; - devc = sdi->priv; - if (devc->usb->devhdl == NULL) + usb = sdi->conn; + if (usb->devhdl == NULL) return SR_ERR; - sr_info("Closing device %d on %d.%d, interface %d.", - sdi->index, devc->usb->bus, devc->usb->address, USB_INTERFACE); - libusb_release_interface(devc->usb->devhdl, USB_INTERFACE); - libusb_close(devc->usb->devhdl); - devc->usb->devhdl = NULL; + 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 hw_cleanup(void) +static int cleanup(void) { struct drv_context *drvc; int ret; @@ -603,68 +581,93 @@ static int hw_cleanup(void) return ret; } -static int hw_info_get(int info_id, const void **data, - const struct sr_dev_inst *sdi) +static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) { struct dev_context *devc; - - switch (info_id) { - case SR_DI_HWCAPS: - *data = hwcaps; - break; - case SR_DI_NUM_PROBES: - if (sdi) { - devc = sdi->priv; - *data = GINT_TO_POINTER( - (devc->profile->dev_caps & DEV_CAPS_16BIT) ? - 16 : 8); - } else + struct sr_usb_dev_inst *usb; + char str[128]; + + switch (id) { + case SR_CONF_CONN: + if (!sdi || !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_DI_PROBE_NAMES: - *data = probe_names; - break; - case SR_DI_SAMPLERATES: - *data = &samplerates; - break; - case SR_DI_TRIGGER_TYPES: - *data = TRIGGER_TYPES; - break; - case SR_DI_CUR_SAMPLERATE: - if (sdi) { - devc = sdi->priv; - *data = &devc->cur_samplerate; - } else + case SR_CONF_SAMPLERATE: + if (!sdi) return SR_ERR; + devc = sdi->priv; + *data = g_variant_new_uint64(devc->cur_samplerate); break; default: - return SR_ERR_ARG; + return SR_ERR_NA; } return SR_OK; } -static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, - const void *value) +static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) { struct dev_context *devc; int ret; + if (sdi->status != SR_ST_ACTIVE) + return SR_ERR; + devc = sdi->priv; - if (hwcap == SR_HWCAP_SAMPLERATE) { - devc->cur_samplerate = *(const uint64_t *)value; + if (id == SR_CONF_SAMPLERATE) { + devc->cur_samplerate = g_variant_get_uint64(data); ret = SR_OK; - } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { - devc->limit_samples = *(const uint64_t *)value; + } else if (id == SR_CONF_LIMIT_SAMPLES) { + devc->limit_samples = g_variant_get_uint64(data); ret = SR_OK; } else { - ret = SR_ERR; + ret = SR_ERR_NA; } return ret; } +static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) +{ + GVariant *gvar; + GVariantBuilder gvb; + + (void)sdi; + + 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_TYPE: + *data = g_variant_new_string(TRIGGER_TYPE); + break; + default: + return SR_ERR_NA; + } + + return SR_OK; +} + static int receive_data(int fd, int revents, void *cb_data) { struct timeval tv; @@ -697,19 +700,16 @@ static void abort_acquisition(struct dev_context *devc) static void finish_acquisition(struct dev_context *devc) { struct sr_datafeed_packet packet; - struct drv_context *drvc = di->priv; - const struct libusb_pollfd **lupfd; int i; /* Terminate session. */ packet.type = SR_DF_END; - sr_session_send(devc->session_dev_id, &packet); + sr_session_send(devc->cb_data, &packet); /* Remove fds from polling. */ - lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); - for (i = 0; lupfd[i]; i++) - sr_source_remove(lupfd[i]->fd); - free(lupfd); /* NOT g_free()! */ + for (i = 0; devc->usbfd[i] != -1; i++) + sr_source_remove(devc->usbfd[i]); + g_free(devc->usbfd); devc->num_transfers = 0; g_free(devc->transfers); @@ -835,7 +835,7 @@ static void receive_transfer(struct libusb_transfer *transfer) */ packet.type = SR_DF_TRIGGER; packet.payload = NULL; - sr_session_send(devc->session_dev_id, &packet); + sr_session_send(devc->cb_data, &packet); /* * Send the samples that triggered it, @@ -846,7 +846,7 @@ static void receive_transfer(struct libusb_transfer *transfer) logic.unitsize = sizeof(*devc->trigger_buffer); logic.length = devc->trigger_stage * logic.unitsize; logic.data = devc->trigger_buffer; - sr_session_send(devc->session_dev_id, &packet); + sr_session_send(devc->cb_data, &packet); devc->trigger_stage = TRIGGER_FIRED; break; @@ -876,7 +876,7 @@ static void receive_transfer(struct libusb_transfer *transfer) logic.length = transfer->actual_length - trigger_offset_bytes; logic.unitsize = sample_width; logic.data = cur_buf + trigger_offset_bytes; - sr_session_send(devc->session_dev_id, &packet); + sr_session_send(devc->cb_data, &packet); devc->num_samples += cur_sample_count; if (devc->limit_samples && @@ -935,14 +935,11 @@ static unsigned int get_timeout(struct dev_context *devc) return timeout + timeout / 4; /* Leave a headroom of 25% percent. */ } -static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) +static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) { - struct sr_datafeed_packet packet; - struct sr_datafeed_header header; - struct sr_datafeed_meta_logic meta; struct dev_context *devc; struct drv_context *drvc; + struct sr_usb_dev_inst *usb; struct libusb_transfer *transfer; const struct libusb_pollfd **lupfd; unsigned int i, timeout, num_transfers; @@ -950,24 +947,27 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, 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; - if (devc->submitted_transfers != 0) - return SR_ERR; - + /* Configures devc->trigger_* and devc->sample_wide */ if (configure_probes(sdi) != SR_OK) { sr_err("Failed to configure probes."); return SR_ERR; } - devc->session_dev_id = cb_data; + devc->cb_data = cb_data; devc->num_samples = 0; devc->empty_transfer_count = 0; timeout = get_timeout(devc); num_transfers = get_number_of_transfers(devc); size = get_buffer_size(devc); + devc->submitted_transfers = 0; devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers); if (!devc->transfers) { @@ -976,14 +976,13 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, } 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, devc->usb->devhdl, + libusb_fill_bulk_transfer(transfer, usb->devhdl, 2 | LIBUSB_ENDPOINT_IN, buf, size, receive_transfer, devc, timeout); if ((ret = libusb_submit_transfer(transfer)) != 0) { @@ -999,25 +998,21 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, } lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); - for (i = 0; lupfd[i]; i++) + for (i = 0; lupfd[i]; i++); + if (!(devc->usbfd = g_try_malloc(sizeof(struct libusb_pollfd) * (i + 1)))) + return SR_ERR; + for (i = 0; lupfd[i]; i++) { sr_source_add(lupfd[i]->fd, lupfd[i]->events, timeout, receive_data, NULL); - free(lupfd); /* NOT g_free()! */ - - packet.type = SR_DF_HEADER; - packet.payload = &header; - header.feed_version = 1; - gettimeofday(&header.starttime, NULL); - sr_session_send(cb_data, &packet); - - /* Send metadata about the SR_DF_LOGIC packets to come. */ - packet.type = SR_DF_META_LOGIC; - packet.payload = &meta; - meta.samplerate = devc->cur_samplerate; - meta.num_probes = devc->sample_wide ? 16 : 8; - sr_session_send(cb_data, &packet); - - if ((ret = command_start_acquisition(devc->usb->devhdl, + devc->usbfd[i] = lupfd[i]->fd; + } + devc->usbfd[i] = -1; + free(lupfd); + + /* Send header packet to the session bus. */ + std_session_send_df_header(cb_data, LOG_PREFIX); + + if ((ret = command_start_acquisition (usb->devhdl, devc->cur_samplerate, devc->sample_wide)) != SR_OK) { abort_acquisition(devc); return ret; @@ -1026,8 +1021,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, return SR_OK; } -/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ -static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) +static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) { (void)cb_data; @@ -1040,16 +1034,17 @@ SR_PRIV struct sr_dev_driver fx2lafw_driver_info = { .name = "fx2lafw", .longname = "fx2lafw (generic driver for FX2 based LAs)", .api_version = 1, - .init = hw_init, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, + .init = init, + .cleanup = cleanup, + .scan = scan, + .dev_list = dev_list, .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, + .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, };