X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Ffx2lafw%2Ffx2lafw.c;h=76c5019d1da3929e455699f380aa4f25e04bba63;hb=fa114e4ab1ef0d30bb3cce8f926e43d66df9f787;hp=ab5dfb5b4b1f6a10fa8bc2c833d1e0c42ad2b7a5;hpb=44dfd483db9e594acc809b9d76eb910a9b53165d;p=libsigrok.git diff --git a/hardware/fx2lafw/fx2lafw.c b/hardware/fx2lafw/fx2lafw.c index ab5dfb5b..76c5019d 100644 --- a/hardware/fx2lafw/fx2lafw.c +++ b/hardware/fx2lafw/fx2lafw.c @@ -1,6 +1,7 @@ /* * This file is part of the sigrok project. * + * Copyright (C) 2010-2012 Bert Vermeulen * Copyright (C) 2012 Joel Holdsworth * * This program is free software: you can redistribute it and/or modify @@ -19,8 +20,8 @@ #include #include +#include #include -#include #include #include "config.h" #include "sigrok.h" @@ -32,28 +33,49 @@ 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", 8 }, + FIRMWARE_DIR "/fx2lafw-cwav-usbeeax.fw", + 0 }, /* * CWAV USBee SX */ { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL, - FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw", 8 }, + FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw", + 0 }, /* * Saleae Logic * EE Electronics ESLA100 * Robomotic MiniLogic + * Robomotic BugLogic 3 */ { 0x0925, 0x3881, "Saleae", "Logic", NULL, - FIRMWARE_DIR "/fx2lafw-saleae-logic.fw", 8 }, + FIRMWARE_DIR "/fx2lafw-saleae-logic.fw", + 0 }, + + /* + * 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 }, + + /* + * Braintechnology USB-LPS + */ + { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL, + FIRMWARE_DIR "/fx2lafw-braintechnology-usb-lps.fw", + DEV_CAPS_16BIT }, { 0, 0, 0, 0, 0, 0, 0 } }; -static int hwcaps[] = { +static const int hwcaps[] = { SR_HWCAP_LOGIC_ANALYZER, SR_HWCAP_SAMPLERATE, @@ -75,10 +97,25 @@ static const char *probe_names[] = { "5", "6", "7", + "8", + "9", + "10", + "11", + "12", + "13", + "14", + "15", NULL, }; -static uint64_t supported_samplerates[] = { +static const uint64_t supported_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), @@ -88,9 +125,10 @@ static uint64_t supported_samplerates[] = { SR_MHZ(12), SR_MHZ(16), SR_MHZ(24), + 0, }; -static struct sr_samplerates samplerates = { +static const struct sr_samplerates samplerates = { 0, 0, 0, @@ -100,7 +138,7 @@ static struct sr_samplerates samplerates = { static GSList *dev_insts = NULL; static libusb_context *usb_context = NULL; -static int hw_dev_config_set(int dev_index, int hwcap, void *value); +static int hw_dev_config_set(int dev_index, int hwcap, const void *value); static int hw_dev_acquisition_stop(int dev_index, void *cb_data); /** @@ -112,48 +150,37 @@ static int hw_dev_acquisition_stop(int dev_index, void *cb_data); static gboolean check_conf_profile(libusb_device *dev) { struct libusb_device_descriptor des; - struct libusb_config_descriptor *conf_dsc = NULL; - const struct libusb_interface_descriptor *intf_dsc; - gboolean ret = FALSE; + 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. */ - ret = FALSE; - if (libusb_get_device_descriptor(dev, &des) != 0) break; - /* Need exactly 1 configuration. */ - if (des.bNumConfigurations != 1) - break; - - if (libusb_get_config_descriptor(dev, 0, &conf_dsc) != 0) + if (libusb_open(dev, &hdl) != 0) break; - /* Need exactly 1 interface. */ - if (conf_dsc->bNumInterfaces != 1) + if (libusb_get_string_descriptor_ascii(hdl, + des.iManufacturer, strdesc, sizeof(strdesc)) < 0) break; - - /* Need just one alternate setting. */ - if (conf_dsc->interface[0].num_altsetting != 1) + if (strncmp((const char *)strdesc, "sigrok", 6)) break; - /* Need exactly 2 endpoints. */ - intf_dsc = &(conf_dsc->interface[0].altsetting[0]); - if (intf_dsc->bNumEndpoints != 2) + if (libusb_get_string_descriptor_ascii(hdl, + des.iProduct, strdesc, sizeof(strdesc)) < 0) break; - - /* The first endpoint should be 2 (inbound). */ - if ((intf_dsc->endpoint[0].bEndpointAddress & 0x8f) != - (2 | LIBUSB_ENDPOINT_IN)) + if (strncmp((const char *)strdesc, "fx2lafw", 7)) break; /* If we made it here, it must be an fx2lafw. */ ret = TRUE; } - - if (conf_dsc) - libusb_free_config_descriptor(conf_dsc); + if (hdl) + libusb_close(hdl); return ret; } @@ -166,6 +193,7 @@ static int fx2lafw_dev_open(int dev_index) struct context *ctx; struct version_info vi; int ret, skip, i; + uint8_t revid; if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) return SR_ERR; @@ -230,19 +258,29 @@ static int fx2lafw_dev_open(int dev_index) break; } - if (vi.major != FX2LAFW_VERSION_MAJOR || - vi.minor != FX2LAFW_VERSION_MINOR) { - sr_err("fx2lafw: Expected firmware version %d.%02d " - "got %d.%02d.", FX2LAFW_VERSION_MAJOR, - FX2LAFW_VERSION_MINOR, vi.major, vi.minor); + ret = command_get_revid_version(ctx->usb->devhdl, &revid); + if (ret != SR_OK) { + sr_err("fx2lafw: Failed to retrieve REVID."); + break; + } + + /* + * Changes in major version mean incompatible/API changes, so + * bail out if we encounter an incompatible version. + * Different minor versions are OK, they should be compatible. + */ + if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) { + sr_err("fx2lafw: Expected firmware version %d.x, " + "got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR, + vi.major, vi.minor); break; } sdi->status = SR_ST_ACTIVE; sr_info("fx2lafw: Opened device %d on %d.%d " - "interface %d, firmware version %d.%02d", + "interface %d, firmware %d.%d, REVID %d.", sdi->index, ctx->usb->bus, ctx->usb->address, - USB_INTERFACE, vi.major, vi.minor); + USB_INTERFACE, vi.major, vi.minor, revid); break; } @@ -288,6 +326,10 @@ static int configure_probes(struct context *ctx, GSList *probes) probe = (struct sr_probe *)l->data; if (probe->enabled == FALSE) continue; + + if (probe->index > 8) + ctx->sample_wide = TRUE; + probe_bit = 1 << (probe->index - 1); if (!(probe->trigger)) continue; @@ -352,7 +394,7 @@ static int hw_init(const char *devinfo) return 0; } - /* Find all fx2lafw compatible devices and upload firware to them. */ + /* Find all fx2lafw compatible devices and upload firmware to them. */ libusb_get_device_list(usb_context, &devlist); for (i = 0; devlist[i]; i++) { @@ -395,7 +437,7 @@ static int hw_init(const char *devinfo) if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, prof->firmware) == SR_OK) /* Remember when the firmware on this device was updated */ - g_get_current_time(&ctx->fw_updated); + ctx->fw_updated = g_get_monotonic_time(); else sr_err("fx2lafw: Firmware upload failed for " "device %d.", devcnt); @@ -412,33 +454,37 @@ static int hw_init(const char *devinfo) static int hw_dev_open(int dev_index) { - GTimeVal cur_time; struct sr_dev_inst *sdi; struct context *ctx; - int timediff, ret; + int ret; + int64_t timediff_us, timediff_ms; if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) return SR_ERR; ctx = sdi->priv; /* - * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms - * for the FX2 to renumerate. + * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS + * milliseconds for the FX2 to renumerate. */ ret = 0; - if (GTV_TO_MSEC(ctx->fw_updated) > 0) { + + if (ctx->fw_updated > 0) { sr_info("fx2lafw: Waiting for device to reset."); /* takes at least 300ms for the FX2 to be gone from the USB bus */ g_usleep(300 * 1000); - timediff = 0; - while (timediff < MAX_RENUM_DELAY) { + timediff_ms = 0; + while (timediff_ms < MAX_RENUM_DELAY_MS) { if ((ret = fx2lafw_dev_open(dev_index)) == SR_OK) break; g_usleep(100 * 1000); - g_get_current_time(&cur_time); - timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(ctx->fw_updated); + + timediff_us = g_get_monotonic_time() - ctx->fw_updated; + timediff_ms = timediff_us / G_USEC_PER_SEC; + sr_spew("fx2lafw: timediff: %" PRIi64 " us.", + timediff_us); } - sr_info("fx2lafw: Device came back after %d ms.", timediff); + sr_info("fx2lafw: Device came back after %d ms.", timediff_ms); } else { ret = fx2lafw_dev_open(dev_index); } @@ -517,7 +563,7 @@ static int hw_cleanup(void) return ret; } -static void *hw_dev_info_get(int dev_index, int dev_info_id) +static const void *hw_dev_info_get(int dev_index, int dev_info_id) { struct sr_dev_inst *sdi; struct context *ctx; @@ -530,7 +576,9 @@ static void *hw_dev_info_get(int dev_index, int dev_info_id) case SR_DI_INST: return sdi; case SR_DI_NUM_PROBES: - return GINT_TO_POINTER(ctx->profile->num_probes); + return GINT_TO_POINTER( + (ctx->profile->dev_caps & DEV_CAPS_16BIT) ? + 16 : 8); case SR_DI_PROBE_NAMES: return probe_names; case SR_DI_SAMPLERATES: @@ -555,12 +603,12 @@ static int hw_dev_status_get(int dev_index) return sdi->status; } -static int *hw_hwcap_get_all(void) +static const int *hw_hwcap_get_all(void) { return hwcaps; } -static int hw_dev_config_set(int dev_index, int hwcap, void *value) +static int hw_dev_config_set(int dev_index, int hwcap, const void *value) { struct sr_dev_inst *sdi; struct context *ctx; @@ -571,12 +619,12 @@ static int hw_dev_config_set(int dev_index, int hwcap, void *value) ctx = sdi->priv; if (hwcap == SR_HWCAP_SAMPLERATE) { - ctx->cur_samplerate = *(uint64_t *)value; + ctx->cur_samplerate = *(const uint64_t *)value; ret = SR_OK; } else if (hwcap == SR_HWCAP_PROBECONFIG) { ret = configure_probes(ctx, (GSList *) value); } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { - ctx->limit_samples = *(uint64_t *)value; + ctx->limit_samples = *(const uint64_t *)value; ret = SR_OK; } else { ret = SR_ERR; @@ -629,8 +677,8 @@ static void receive_transfer(struct libusb_transfer *transfer) struct sr_datafeed_packet packet; struct sr_datafeed_logic logic; struct context *ctx = transfer->user_data; - int cur_buflen, trigger_offset, i; - unsigned char *cur_buf, *new_buf; + int trigger_offset, i; + uint8_t *new_buf; /* * If acquisition has already ended, just free any queued up @@ -651,12 +699,14 @@ static void receive_transfer(struct libusb_transfer *transfer) transfer->status, transfer->actual_length); /* Save incoming transfer before reusing the transfer struct. */ - cur_buf = transfer->buffer; - cur_buflen = transfer->actual_length; + uint8_t *const cur_buf = transfer->buffer; + const int sample_width = ctx->sample_wide ? 2 : 1; + const int cur_sample_count = transfer->actual_length / sample_width; /* Fire off a new request. */ if (!(new_buf = g_try_malloc(4096))) { sr_err("fx2lafw: %s: new_buf malloc failed.", __func__); + libusb_free_transfer(transfer); return; /* TODO: SR_ERR_MALLOC */ } @@ -668,7 +718,7 @@ static void receive_transfer(struct libusb_transfer *transfer) sr_err("fx2lafw: %s: libusb_submit_transfer error.", __func__); } - if (cur_buflen == 0) { + if (transfer->actual_length == 0) { empty_transfer_count++; if (empty_transfer_count > MAX_EMPTY_TRANSFERS) { /* @@ -677,6 +727,7 @@ static void receive_transfer(struct libusb_transfer *transfer) */ abort_acquisition(ctx); } + g_free(cur_buf); return; } else { empty_transfer_count = 0; @@ -684,14 +735,20 @@ static void receive_transfer(struct libusb_transfer *transfer) trigger_offset = 0; if (ctx->trigger_stage >= 0) { - for (i = 0; i < cur_buflen; i++) { + for (i = 0; i < cur_sample_count; i++) { - if ((cur_buf[i] & ctx->trigger_mask[ctx->trigger_stage]) == ctx->trigger_value[ctx->trigger_stage]) { + const uint16_t cur_sample = ctx->sample_wide ? + *((const uint16_t*)cur_buf + i) : + *((const uint8_t*)cur_buf + i); + + if ((cur_sample & ctx->trigger_mask[ctx->trigger_stage]) == + ctx->trigger_value[ctx->trigger_stage]) { /* Match on this trigger stage. */ - ctx->trigger_buffer[ctx->trigger_stage] = cur_buf[i]; + ctx->trigger_buffer[ctx->trigger_stage] = cur_sample; ctx->trigger_stage++; - if (ctx->trigger_stage == NUM_TRIGGER_STAGES || ctx->trigger_mask[ctx->trigger_stage] == 0) { + if (ctx->trigger_stage == NUM_TRIGGER_STAGES || + ctx->trigger_mask[ctx->trigger_stage] == 0) { /* Match on all trigger stages, we're done. */ trigger_offset = i + 1; @@ -709,25 +766,22 @@ static void receive_transfer(struct libusb_transfer *transfer) */ packet.type = SR_DF_LOGIC; packet.payload = &logic; - logic.length = ctx->trigger_stage; - logic.unitsize = 1; + logic.unitsize = sizeof(*ctx->trigger_buffer); + logic.length = ctx->trigger_stage * logic.unitsize; logic.data = ctx->trigger_buffer; sr_session_send(ctx->session_dev_id, &packet); ctx->trigger_stage = TRIGGER_FIRED; break; } - return; - } - - /* - * We had a match before, but not in the next sample. However, we may - * have a match on this stage in the next bit -- trigger on 0001 will - * fail on seeing 00001, so we need to go back to stage 0 -- but at - * the next sample from the one that matched originally, which the - * counter increment at the end of the loop takes care of. - */ - if (ctx->trigger_stage > 0) { + } else if (ctx->trigger_stage > 0) { + /* + * We had a match before, but not in the next sample. However, we may + * have a match on this stage in the next bit -- trigger on 0001 will + * fail on seeing 00001, so we need to go back to stage 0 -- but at + * the next sample from the one that matched originally, which the + * counter increment at the end of the loop takes care of. + */ i -= ctx->trigger_stage; if (i < -1) i = -1; /* Oops, went back past this buffer. */ @@ -739,15 +793,15 @@ static void receive_transfer(struct libusb_transfer *transfer) if (ctx->trigger_stage == TRIGGER_FIRED) { /* Send the incoming transfer to the session bus. */ + const int trigger_offset_bytes = trigger_offset * sample_width; packet.type = SR_DF_LOGIC; packet.payload = &logic; - logic.length = cur_buflen - trigger_offset; - logic.unitsize = 1; - logic.data = cur_buf + trigger_offset; + logic.length = transfer->actual_length - trigger_offset_bytes; + logic.unitsize = sample_width; + logic.data = cur_buf + trigger_offset_bytes; sr_session_send(ctx->session_dev_id, &packet); - g_free(cur_buf); - ctx->num_samples += cur_buflen; + ctx->num_samples += cur_sample_count; if (ctx->limit_samples && (unsigned int)ctx->num_samples > ctx->limit_samples) { abort_acquisition(ctx); @@ -758,6 +812,7 @@ static void receive_transfer(struct libusb_transfer *transfer) * ratio-sized buffer. */ } + g_free(cur_buf); } static int hw_dev_acquisition_start(int dev_index, void *cb_data) @@ -765,6 +820,7 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data) struct sr_dev_inst *sdi; struct sr_datafeed_packet *packet; struct sr_datafeed_header *header; + struct sr_datafeed_meta_logic meta; struct context *ctx; struct libusb_transfer *transfer; const struct libusb_pollfd **lupfd; @@ -819,14 +875,20 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data) packet->payload = header; header->feed_version = 1; gettimeofday(&header->starttime, NULL); - header->samplerate = ctx->cur_samplerate; - header->num_logic_probes = ctx->profile->num_probes; 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 = ctx->cur_samplerate; + meta.num_probes = ctx->sample_wide ? 16 : 8; + sr_session_send(cb_data, packet); + g_free(header); g_free(packet); if ((ret = command_start_acquisition (ctx->usb->devhdl, - ctx->cur_samplerate)) != SR_OK) { + ctx->cur_samplerate, ctx->sample_wide)) != SR_OK) { return ret; }