/*
* This file is part of the sigrok project.
*
+ * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
*
* This program is free software: you can redistribute it and/or modify
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <inttypes.h>
-#include <glib.h>
#include <libusb.h>
#include "config.h"
#include "sigrok.h"
/*
* 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
+ * 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", 8 },
+ 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,
"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(12),
SR_MHZ(16),
SR_MHZ(24),
+ 0,
};
-static struct sr_samplerates samplerates = {
+static const struct sr_samplerates samplerates = {
0,
0,
0,
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);
/**
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)
+ if (libusb_open(dev, &hdl) != 0)
break;
- if (libusb_get_config_descriptor(dev, 0, &conf_dsc) != 0)
+ if (libusb_get_string_descriptor_ascii(hdl,
+ des.iManufacturer, strdesc, sizeof(strdesc)) < 0)
break;
-
- /* Need exactly 1 interface. */
- if (conf_dsc->bNumInterfaces != 1)
- 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;
}
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;
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;
}
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;
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++) {
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);
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);
}
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;
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:
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;
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;
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
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 */
}
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) {
/*
*/
abort_acquisition(ctx);
}
+ g_free(cur_buf);
return;
} else {
empty_transfer_count = 0;
trigger_offset = 0;
if (ctx->trigger_stage >= 0) {
- for (i = 0; i < cur_buflen; i++) {
+ for (i = 0; i < cur_sample_count; i++) {
+
+ const uint16_t cur_sample = ctx->sample_wide ?
+ *((const uint16_t*)cur_buf + i) :
+ *((const uint8_t*)cur_buf + i);
- if ((cur_buf[i] & ctx->trigger_mask[ctx->trigger_stage]) == ctx->trigger_value[ctx->trigger_stage]) {
+ 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;
*/
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. */
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);
* ratio-sized buffer.
*/
}
+ g_free(cur_buf);
}
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;
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;
}