#include <stdio.h>
#include <stdlib.h>
-#include <stdbool.h>
#include <inttypes.h>
#include <glib.h>
#include <libusb.h>
-
#include "config.h"
#include "sigrok.h"
#include "sigrok-internal.h"
#include "fx2lafw.h"
+#include "command.h"
static struct fx2lafw_profile supported_fx2[] = {
/* USBee AX */
/* These are really implemented in the driver, not the hardware. */
SR_HWCAP_LIMIT_SAMPLES,
SR_HWCAP_CONTINUOUS,
- 0
+ 0,
};
static const char *fx2lafw_probe_names[] = {
"D5",
"D6",
"D7",
- NULL
+ NULL,
};
static uint64_t fx2lafw_supported_samplerates[] = {
SR_MHZ(8),
SR_MHZ(12),
SR_MHZ(16),
- SR_MHZ(24)
+ SR_MHZ(24),
};
static struct sr_samplerates fx2lafw_samplerates = {
SR_MHZ(1),
SR_MHZ(24),
SR_HZ(0),
- fx2lafw_supported_samplerates
+ fx2lafw_supported_samplerates,
};
static GSList *dev_insts = NULL;
static libusb_context *usb_context = NULL;
-static int hw_dev_acquisition_stop(int dev_index, gpointer session_dev_id);
+static int hw_dev_config_set(int dev_index, int hwcap, void *value);
+static int hw_dev_acquisition_stop(int dev_index, void *session_dev_id);
/**
* Check the USB configuration to determine if this is an fx2lafw device.
*
- * @return true if the device's configuration profile match fx2lafw
- * configuration, flase otherwise.
+ * @return TRUE if the device's configuration profile match fx2lafw
+ * configuration, FALSE otherwise.
*/
-static bool check_conf_profile(libusb_device *dev)
+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;
- bool ret = false;
+ gboolean ret = FALSE;
while (!ret) {
/* Assume it's not a Saleae Logic unless proven wrong. */
break;
intf_dsc = &(conf_dsc->interface[0].altsetting[0]);
- if (intf_dsc->bNumEndpoints != 3)
- /* Need exactly 3 end points. */
+ if (intf_dsc->bNumEndpoints != 2)
+ /* Need exactly 2 end points. */
break;
if ((intf_dsc->endpoint[0].bEndpointAddress & 0x8f) !=
- (1 | LIBUSB_ENDPOINT_OUT))
- /* The first endpoint should be 1 (outbound). */
- break;
-
- if ((intf_dsc->endpoint[1].bEndpointAddress & 0x8f) !=
- (2 | LIBUSB_ENDPOINT_IN))
- /* The second endpoint should be 2 (inbound). */
+ (2 | LIBUSB_ENDPOINT_IN)) // 0x82
+ /* The first endpoint should be 2 (inbound). */
break;
/* TODO: Check the debug channel... */
/* If we made it here, it must be an fx2lafw. */
- ret = true;
+ ret = TRUE;
}
if (conf_dsc)
libusb_device **devlist;
struct libusb_device_descriptor des;
struct sr_dev_inst *sdi;
- struct fx2lafw_device *ctx;
+ struct context *ctx;
int err, skip, i;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
continue;
}
- if (des.idVendor != FIRMWARE_VID
- || des.idProduct != FIRMWARE_PID)
+ if (des.idVendor != ctx->profile->vid
+ || des.idProduct != ctx->profile->pid)
continue;
if (sdi->status == SR_ST_INITIALIZING) {
static void close_dev(struct sr_dev_inst *sdi)
{
- struct fx2lafw_device *ctx;
+ struct context *ctx;
ctx = sdi->priv;
sdi->status = SR_ST_INACTIVE;
}
-static struct fx2lafw_device* fx2lafw_device_new(void)
+static struct context *fx2lafw_device_new(void)
{
- struct fx2lafw_device *fx2lafw;
+ struct context *ctx;
- if (!(fx2lafw = g_try_malloc0(sizeof(struct fx2lafw_device)))) {
- sr_err("fx2lafw: %s: fx2lafw_device malloc failed", __func__);
+ if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
+ sr_err("fx2lafw: %s: ctx malloc failed", __func__);
return NULL;
}
- return fx2lafw;
+ return ctx;
}
/*
struct sr_dev_inst *sdi;
struct libusb_device_descriptor des;
struct fx2lafw_profile *fx2lafw_prof;
- struct fx2lafw_device *ctx;
+ struct context *ctx;
libusb_device **devlist;
int err;
int devcnt = 0;
return devcnt;
}
-static int hw_dev_open(int device_index)
+static int hw_dev_open(int dev_index)
{
GTimeVal cur_time;
struct sr_dev_inst *sdi;
- struct fx2lafw_device *ctx;
+ struct context *ctx;
int timediff, err;
- if (!(sdi = sr_dev_inst_get(dev_insts, device_index)))
+ if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
ctx = sdi->priv;
g_usleep(300 * 1000);
timediff = 0;
while (timediff < MAX_RENUM_DELAY) {
- if ((err = fx2lafw_open_dev(device_index)) == SR_OK)
+ if ((err = fx2lafw_open_dev(dev_index)) == SR_OK)
break;
g_usleep(100 * 1000);
g_get_current_time(&cur_time);
}
sr_info("fx2lafw: device came back after %d ms", timediff);
} else {
- err = fx2lafw_open_dev(device_index);
+ err = fx2lafw_open_dev(dev_index);
}
if (err != SR_OK) {
return SR_ERR;
}
+ if (ctx->cur_samplerate == 0) {
+ /* Samplerate hasn't been set; default to the slowest one. */
+ if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE,
+ &fx2lafw_supported_samplerates[0]) == SR_ERR)
+ return SR_ERR;
+ }
+
return SR_OK;
}
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) {
sr_err("fx2lafw: %s: sdi was NULL", __func__);
- return SR_ERR; /* TODO: SR_ERR_ARG? */
+ return SR_ERR_BUG;
}
/* TODO */
{
GSList *l;
struct sr_dev_inst *sdi;
- struct fx2lafw_device *ctx;
+ struct context *ctx;
int ret = SR_OK;
for(l = dev_insts; l; l = l->next) {
return ret;
}
-static void *hw_dev_info_get(int device_index, int device_info_id)
+static void *hw_dev_info_get(int dev_index, int dev_info_id)
{
struct sr_dev_inst *sdi;
- struct fx2lafw_device *ctx;
+ struct context *ctx;
- if (!(sdi = sr_dev_inst_get(dev_insts, device_index)))
+ if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return NULL;
ctx = sdi->priv;
- switch (device_info_id) {
+ switch (dev_info_id) {
case SR_DI_INST:
return sdi;
case SR_DI_NUM_PROBES:
return &fx2lafw_samplerates;
case SR_DI_TRIGGER_TYPES:
return TRIGGER_TYPES;
+ case SR_DI_CUR_SAMPLERATE:
+ return &ctx->cur_samplerate;
}
return NULL;
}
-static int hw_dev_status_get(int device_index)
+static int hw_dev_status_get(int dev_index)
{
const struct sr_dev_inst *const sdi =
- sr_dev_inst_get(dev_insts, device_index);
+ sr_dev_inst_get(dev_insts, dev_index);
if (!sdi)
return SR_ST_NOT_FOUND;
static int hw_dev_config_set(int dev_index, int hwcap, void *value)
{
struct sr_dev_inst *sdi;
- struct fx2lafw_device *ctx;
+ struct context *ctx;
int ret;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
ctx = sdi->priv;
- if (hwcap == SR_HWCAP_LIMIT_SAMPLES) {
+ if (hwcap == SR_HWCAP_SAMPLERATE) {
+ ctx->cur_samplerate = *(uint64_t *)value;
+ ret = SR_OK;
+ } else if (hwcap == SR_HWCAP_PROBECONFIG) {
+ ret = SR_OK;
+ } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) {
ctx->limit_samples = *(uint64_t *)value;
ret = SR_OK;
} else {
return ret;
}
-static int receive_data(int fd, int revents, void *user_data)
+static int receive_data(int fd, int revents, void *cb_data)
{
struct timeval tv;
/* Avoid compiler warnings. */
(void)fd;
(void)revents;
- (void)user_data;
+ (void)cb_data;
tv.tv_sec = tv.tv_usec = 0;
libusb_handle_events_timeout(usb_context, &tv);
return TRUE;
}
+static void abort_acquisition(struct context *ctx)
+{
+ struct sr_datafeed_packet packet;
+
+ packet.type = SR_DF_END;
+ sr_session_send(ctx->session_dev_id, &packet);
+
+ ctx->num_samples = -1;
+
+ /* TODO: Need to cancel and free any queued up transfers. */
+}
+
static void receive_transfer(struct libusb_transfer *transfer)
{
/* TODO: These statics have to move to the ctx struct. */
- static int num_samples = 0;
static int empty_transfer_count = 0;
struct sr_datafeed_packet packet;
struct sr_datafeed_logic logic;
- struct fx2lafw_device *ctx;
+ struct context *ctx = transfer->user_data;
int cur_buflen;
unsigned char *cur_buf, *new_buf;
- /* hw_dev_acquisition_stop() is telling us to stop. */
- if (transfer == NULL)
- num_samples = -1;
-
/*
* If acquisition has already ended, just free any queued up
* transfer that come in.
*/
- if (num_samples == -1) {
+ if (ctx->num_samples == -1) {
if (transfer)
libusb_free_transfer(transfer);
return;
* The FX2 gave up. End the acquisition, the frontend
* will work out that the samplecount is short.
*/
- hw_dev_acquisition_stop(-1, ctx->session_data);
+ abort_acquisition(ctx);
}
return;
} else {
logic.length = cur_buflen;
logic.unitsize = 1;
logic.data = cur_buf;
- sr_session_bus(ctx->session_data, &packet);
+ sr_session_send(ctx->session_dev_id, &packet);
g_free(cur_buf);
- num_samples += cur_buflen;
+ ctx->num_samples += cur_buflen;
if (ctx->limit_samples &&
- (unsigned int) num_samples > ctx->limit_samples) {
- hw_dev_acquisition_stop(-1, ctx->session_data);
+ (unsigned int) ctx->num_samples > ctx->limit_samples) {
+ abort_acquisition(ctx);
}
}
-static int hw_dev_acquisition_start(int dev_index, gpointer session_data)
+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 fx2lafw_device *ctx;
+ struct context *ctx;
struct libusb_transfer *transfer;
const struct libusb_pollfd **lupfd;
- int size, i;
+ int err, size, i;
unsigned char *buf;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
ctx = sdi->priv;
- ctx->session_data = session_data;
+ ctx->session_dev_id = cb_data;
+ ctx->num_samples = 0;
if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
sr_err("fx2lafw: %s: packet malloc failed", __func__);
return SR_ERR_MALLOC;
}
+ if ((err = command_start_acquisition (ctx->usb->devhdl,
+ ctx->cur_samplerate)) != SR_OK) {
+ return err;
+ }
+
/* Start with 2K transfer, subsequently increased to 4K. */
size = 2048;
for (i = 0; i < NUM_SIMUL_TRANSFERS; i++) {
packet->payload = header;
header->feed_version = 1;
gettimeofday(&header->starttime, NULL);
- header->samplerate = 24000000UL;
+ header->samplerate = ctx->cur_samplerate;
header->num_logic_probes = ctx->profile->num_probes;
- sr_session_bus(session_data, packet);
+ sr_session_send(cb_data, packet);
g_free(header);
g_free(packet);
return SR_OK;
}
-/* This stops acquisition on ALL devices, ignoring device_index. */
-static int hw_dev_acquisition_stop(int dev_index, gpointer session_data)
+/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
+static int hw_dev_acquisition_stop(int dev_index, void *cb_data)
{
- struct sr_datafeed_packet packet;
-
- /* Avoid compiler warnings. */
- (void)dev_index;
-
- packet.type = SR_DF_END;
- sr_session_bus(session_data, &packet);
+ struct sr_dev_inst *sdi;
- receive_transfer(NULL);
+ /* unused parameter */
+ (void)cb_data;
- /* TODO: Need to cancel and free any queued up transfers. */
+ if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
+ return SR_ERR;
+
+ abort_acquisition(sdi->priv);
return SR_OK;
}
-SR_PRIV struct sr_dev_plugin fx2lafw_plugin_info = {
+SR_PRIV struct sr_dev_driver fx2lafw_driver_info = {
.name = "fx2lafw",
.longname = "fx2lafw",
.api_version = 1,
projects / libsigrok.git / blobdiff