{ 0, 0, 0, 0, 0, 0, 0, 0 }
};
-static int capabilities[] = {
+static int hwcaps[] = {
SR_HWCAP_LOGIC_ANALYZER,
SR_HWCAP_SAMPLERATE,
0,
};
+/*
+ * Probes are numbered 1-8.
+ *
+ * TODO: FX2 eval boards with the standard Cypress VID/PID can have 16 pins
+ * or probes in theory, which is not supported by the Saleae Logic firmware.
+ */
static const char *probe_names[] = {
"0",
"1",
supported_samplerates,
};
-/* List of struct sr_dev_inst, maintained by opendev()/closedev(). */
+/* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */
static GSList *dev_insts = NULL;
static libusb_context *usb_context = NULL;
static int new_saleae_logic_firmware = 0;
-static int hw_set_configuration(int dev_index, int capability, void *value);
-static int hw_stop_acquisition(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, gpointer session_dev_id);
/**
* Check the USB configuration to determine if this is a Saleae Logic.
libusb_device **devlist;
struct libusb_device_descriptor des;
struct sr_dev_inst *sdi;
- struct fx2_dev *fx2;
+ struct context *ctx;
int err, skip, i;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
- fx2 = sdi->priv;
+ ctx = sdi->priv;
if (sdi->status == SR_ST_ACTIVE)
/* already in use */
continue;
}
- if (des.idVendor != fx2->profile->fw_vid
- || des.idProduct != fx2->profile->fw_pid)
+ if (des.idVendor != ctx->profile->fw_vid
+ || des.idProduct != ctx->profile->fw_pid)
continue;
if (sdi->status == SR_ST_INITIALIZING) {
* 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]) != fx2->usb->bus
- || libusb_get_device_address(devlist[i]) != fx2->usb->address)
+ if (libusb_get_bus_number(devlist[i]) != ctx->usb->bus
+ || libusb_get_device_address(devlist[i]) != ctx->usb->address)
/* this is not the one */
continue;
}
- if (!(err = libusb_open(devlist[i], &fx2->usb->devhdl))) {
- if (fx2->usb->address == 0xff)
+ if (!(err = libusb_open(devlist[i], &ctx->usb->devhdl))) {
+ if (ctx->usb->address == 0xff)
/*
* first time we touch this device after firmware upload,
* so we don't know the address yet.
*/
- fx2->usb->address = libusb_get_device_address(devlist[i]);
+ ctx->usb->address = libusb_get_device_address(devlist[i]);
sdi->status = SR_ST_ACTIVE;
sr_info("logic: opened device %d on %d.%d interface %d",
- sdi->index, fx2->usb->bus,
- fx2->usb->address, USB_INTERFACE);
+ sdi->index, ctx->usb->bus,
+ ctx->usb->address, USB_INTERFACE);
} else {
sr_err("logic: failed to open device: %d", err);
}
static void close_dev(struct sr_dev_inst *sdi)
{
- struct fx2_dev *fx2;
+ struct context *ctx;
- fx2 = sdi->priv;
+ ctx = sdi->priv;
- if (fx2->usb->devhdl == NULL)
+ if (ctx->usb->devhdl == NULL)
return;
sr_info("logic: closing device %d on %d.%d interface %d", sdi->index,
- fx2->usb->bus, fx2->usb->address, USB_INTERFACE);
- libusb_release_interface(fx2->usb->devhdl, USB_INTERFACE);
- libusb_close(fx2->usb->devhdl);
- fx2->usb->devhdl = NULL;
+ ctx->usb->bus, ctx->usb->address, USB_INTERFACE);
+ libusb_release_interface(ctx->usb->devhdl, USB_INTERFACE);
+ libusb_close(ctx->usb->devhdl);
+ ctx->usb->devhdl = NULL;
sdi->status = SR_ST_INACTIVE;
}
-static int configure_probes(struct fx2_dev *fx2, GSList *probes)
+static int configure_probes(struct context *ctx, GSList *probes)
{
struct sr_probe *probe;
GSList *l;
int probe_bit, stage, i;
char *tc;
- fx2->probe_mask = 0;
+ ctx->probe_mask = 0;
for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
- fx2->trigger_mask[i] = 0;
- fx2->trigger_value[i] = 0;
+ ctx->trigger_mask[i] = 0;
+ ctx->trigger_value[i] = 0;
}
stage = -1;
if (probe->enabled == FALSE)
continue;
probe_bit = 1 << (probe->index - 1);
- fx2->probe_mask |= probe_bit;
+ ctx->probe_mask |= probe_bit;
if (!(probe->trigger))
continue;
stage = 0;
for (tc = probe->trigger; *tc; tc++) {
- fx2->trigger_mask[stage] |= probe_bit;
+ ctx->trigger_mask[stage] |= probe_bit;
if (*tc == '1')
- fx2->trigger_value[stage] |= probe_bit;
+ ctx->trigger_value[stage] |= probe_bit;
stage++;
if (stage > NUM_TRIGGER_STAGES)
return SR_ERR;
* We didn't configure any triggers, make sure acquisition
* doesn't wait for any.
*/
- fx2->trigger_stage = TRIGGER_FIRED;
+ ctx->trigger_stage = TRIGGER_FIRED;
else
- fx2->trigger_stage = 0;
+ ctx->trigger_stage = 0;
return SR_OK;
}
-static struct fx2_dev *fx2_dev_new(void)
+static struct context *fx2_dev_new(void)
{
- struct fx2_dev *fx2;
+ struct context *ctx;
- if (!(fx2 = g_try_malloc0(sizeof(struct fx2_dev)))) {
- sr_err("logic: %s: fx2 malloc failed", __func__);
+ if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
+ sr_err("logic: %s: ctx malloc failed", __func__);
return NULL;
}
- fx2->trigger_stage = TRIGGER_FIRED;
- fx2->usb = NULL;
+ ctx->trigger_stage = TRIGGER_FIRED;
+ ctx->usb = NULL;
- return fx2;
+ return ctx;
}
struct sr_dev_inst *sdi;
struct libusb_device_descriptor des;
struct fx2_profile *fx2_prof;
- struct fx2_dev *fx2;
+ struct context *ctx;
libusb_device **devlist;
int err, devcnt, i, j;
fx2_prof->vendor, fx2_prof->model, fx2_prof->model_version);
if (!sdi)
return 0;
- fx2 = fx2_dev_new();
- fx2->profile = fx2_prof;
- sdi->priv = fx2;
+ ctx = fx2_dev_new();
+ ctx->profile = fx2_prof;
+ sdi->priv = ctx;
dev_insts = g_slist_append(dev_insts, sdi);
if (check_conf_profile(devlist[i])) {
sr_dbg("logic: Found a Saleae Logic with %s firmware.",
new_saleae_logic_firmware ? "new" : "old");
sdi->status = SR_ST_INACTIVE;
- fx2->usb = sr_usb_dev_inst_new
+ ctx->usb = 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, FIRMWARE) == SR_OK)
/* Remember when the firmware on this device was updated */
- g_get_current_time(&fx2->fw_updated);
+ g_get_current_time(&ctx->fw_updated);
else
sr_err("logic: firmware upload failed for "
"device %d", devcnt);
- fx2->usb = sr_usb_dev_inst_new
+ ctx->usb = sr_usb_dev_inst_new
(libusb_get_bus_number(devlist[i]), 0xff, NULL);
}
devcnt++;
return devcnt;
}
-static int hw_opendev(int dev_index)
+static int hw_dev_open(int dev_index)
{
GTimeVal cur_time;
struct sr_dev_inst *sdi;
- struct fx2_dev *fx2;
+ struct context *ctx;
int timediff, err;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
- fx2 = sdi->priv;
+ ctx = sdi->priv;
/*
* if the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms
* for the FX2 to renumerate
*/
err = 0;
- if (GTV_TO_MSEC(fx2->fw_updated) > 0) {
+ if (GTV_TO_MSEC(ctx->fw_updated) > 0) {
sr_info("logic: waiting for device to reset");
/* takes at least 300ms for the FX2 to be gone from the USB bus */
g_usleep(300 * 1000);
break;
g_usleep(100 * 1000);
g_get_current_time(&cur_time);
- timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(fx2->fw_updated);
+ timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(ctx->fw_updated);
}
sr_info("logic: device came back after %d ms", timediff);
} else {
sr_err("logic: unable to open device");
return SR_ERR;
}
- fx2 = sdi->priv;
+ ctx = sdi->priv;
- err = libusb_claim_interface(fx2->usb->devhdl, USB_INTERFACE);
+ err = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE);
if (err != 0) {
sr_err("logic: Unable to claim interface: %d", err);
return SR_ERR;
}
- if (fx2->cur_samplerate == 0) {
+ if (ctx->cur_samplerate == 0) {
/* Samplerate hasn't been set; default to the slowest one. */
- if (hw_set_configuration(dev_index, SR_HWCAP_SAMPLERATE,
+ if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE,
&supported_samplerates[0]) == SR_ERR)
return SR_ERR;
}
return SR_OK;
}
-static int hw_closedev(int dev_index)
+static int hw_dev_close(int dev_index)
{
struct sr_dev_inst *sdi;
{
GSList *l;
struct sr_dev_inst *sdi;
- struct fx2_dev *fx2;
+ struct context *ctx;
int ret = SR_OK;
/* Properly close and free all devices. */
ret = SR_ERR_BUG;
continue;
}
- if (!(fx2 = sdi->priv)) {
+ if (!(ctx = sdi->priv)) {
/* Log error, but continue cleaning up the rest. */
sr_err("logic: %s: sdi->priv was NULL, continuing",
__func__);
continue;
}
close_dev(sdi);
- sr_usb_dev_inst_free(fx2->usb);
+ sr_usb_dev_inst_free(ctx->usb);
sr_dev_inst_free(sdi);
}
return ret;
}
-static void *hw_get_dev_info(int dev_index, int dev_info_id)
+static void *hw_dev_info_get(int dev_index, int dev_info_id)
{
struct sr_dev_inst *sdi;
- struct fx2_dev *fx2;
+ struct context *ctx;
void *info = NULL;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return NULL;
- fx2 = sdi->priv;
+ ctx = sdi->priv;
switch (dev_info_id) {
case SR_DI_INST:
info = sdi;
break;
case SR_DI_NUM_PROBES:
- info = GINT_TO_POINTER(fx2->profile->num_probes);
+ info = GINT_TO_POINTER(ctx->profile->num_probes);
break;
case SR_DI_PROBE_NAMES:
info = probe_names;
info = TRIGGER_TYPES;
break;
case SR_DI_CUR_SAMPLERATE:
- info = &fx2->cur_samplerate;
+ info = &ctx->cur_samplerate;
break;
}
return info;
}
-static int hw_get_status(int dev_index)
+static int hw_dev_status_get(int dev_index)
{
struct sr_dev_inst *sdi;
return SR_ST_NOT_FOUND;
}
-static int *hw_get_capabilities(void)
+static int *hw_hwcap_get_all(void)
{
- return capabilities;
+ return hwcaps;
}
static uint8_t new_firmware_divider_value(uint64_t samplerate)
return 0;
}
-static int set_configuration_samplerate(struct sr_dev_inst *sdi,
- uint64_t samplerate)
+static int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate)
{
- struct fx2_dev *fx2;
+ struct context *ctx;
uint8_t divider;
int ret, result, i;
unsigned char buf[2];
- fx2 = sdi->priv;
+ ctx = sdi->priv;
for (i = 0; supported_samplerates[i]; i++) {
if (supported_samplerates[i] == samplerate)
break;
buf[0] = (new_saleae_logic_firmware) ? 0xd5 : 0x01;
buf[1] = divider;
- ret = libusb_bulk_transfer(fx2->usb->devhdl, 1 | LIBUSB_ENDPOINT_OUT,
+ ret = libusb_bulk_transfer(ctx->usb->devhdl, 1 | LIBUSB_ENDPOINT_OUT,
buf, 2, &result, 500);
if (ret != 0) {
sr_err("logic: failed to set samplerate: %d", ret);
return SR_ERR;
}
- fx2->cur_samplerate = samplerate;
+ ctx->cur_samplerate = samplerate;
return SR_OK;
}
-static int hw_set_configuration(int dev_index, int capability, void *value)
+static int hw_dev_config_set(int dev_index, int hwcap, void *value)
{
struct sr_dev_inst *sdi;
- struct fx2_dev *fx2;
+ struct context *ctx;
int ret;
- uint64_t *tmp_u64;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
- fx2 = sdi->priv;
-
- if (capability == SR_HWCAP_SAMPLERATE) {
- tmp_u64 = value;
- ret = set_configuration_samplerate(sdi, *tmp_u64);
- } else if (capability == SR_HWCAP_PROBECONFIG) {
- ret = configure_probes(fx2, (GSList *) value);
- } else if (capability == SR_HWCAP_LIMIT_SAMPLES) {
- tmp_u64 = value;
- fx2->limit_samples = *tmp_u64;
+ ctx = sdi->priv;
+
+ if (hwcap == SR_HWCAP_SAMPLERATE) {
+ ret = set_samplerate(sdi, *(uint64_t *)value);
+ } 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;
ret = SR_OK;
} else {
ret = SR_ERR;
static void receive_transfer(struct libusb_transfer *transfer)
{
- /* TODO: these statics have to move to fx2_dev struct */
+ /* 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 fx2_dev *fx2;
+ struct context *ctx;
int cur_buflen, trigger_offset, i;
unsigned char *cur_buf, *new_buf;
- /* hw_stop_acquisition() is telling us to stop. */
+ /* hw_dev_acquisition_stop() is telling us to stop. */
if (transfer == NULL)
num_samples = -1;
/* Save incoming transfer before reusing the transfer struct. */
cur_buf = transfer->buffer;
cur_buflen = transfer->actual_length;
- fx2 = transfer->user_data;
+ ctx = transfer->user_data;
/* Fire off a new request. */
if (!(new_buf = g_try_malloc(4096))) {
* The FX2 gave up. End the acquisition, the frontend
* will work out that the samplecount is short.
*/
- hw_stop_acquisition(-1, fx2->session_data);
+ hw_dev_acquisition_stop(-1, ctx->session_data);
}
return;
} else {
}
trigger_offset = 0;
- if (fx2->trigger_stage >= 0) {
+ if (ctx->trigger_stage >= 0) {
for (i = 0; i < cur_buflen; i++) {
- if ((cur_buf[i] & fx2->trigger_mask[fx2->trigger_stage]) == fx2->trigger_value[fx2->trigger_stage]) {
+ if ((cur_buf[i] & ctx->trigger_mask[ctx->trigger_stage]) == ctx->trigger_value[ctx->trigger_stage]) {
/* Match on this trigger stage. */
- fx2->trigger_buffer[fx2->trigger_stage] = cur_buf[i];
- fx2->trigger_stage++;
+ ctx->trigger_buffer[ctx->trigger_stage] = cur_buf[i];
+ ctx->trigger_stage++;
- if (fx2->trigger_stage == NUM_TRIGGER_STAGES || fx2->trigger_mask[fx2->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_TRIGGER;
packet.payload = NULL;
- sr_session_bus(fx2->session_data, &packet);
+ sr_session_bus(ctx->session_data, &packet);
/*
* Send the samples that triggered it, since we're
*/
packet.type = SR_DF_LOGIC;
packet.payload = &logic;
- logic.length = fx2->trigger_stage;
+ logic.length = ctx->trigger_stage;
logic.unitsize = 1;
- logic.data = fx2->trigger_buffer;
- sr_session_bus(fx2->session_data, &packet);
+ logic.data = ctx->trigger_buffer;
+ sr_session_bus(ctx->session_data, &packet);
- fx2->trigger_stage = TRIGGER_FIRED;
+ ctx->trigger_stage = TRIGGER_FIRED;
break;
}
return;
* the next sample from the one that matched originally, which the
* counter increment at the end of the loop takes care of.
*/
- if (fx2->trigger_stage > 0) {
- i -= fx2->trigger_stage;
+ if (ctx->trigger_stage > 0) {
+ i -= ctx->trigger_stage;
if (i < -1)
i = -1; /* Oops, went back past this buffer. */
/* Reset trigger stage. */
- fx2->trigger_stage = 0;
+ ctx->trigger_stage = 0;
}
}
}
- if (fx2->trigger_stage == TRIGGER_FIRED) {
+ if (ctx->trigger_stage == TRIGGER_FIRED) {
/* Send the incoming transfer to the session bus. */
packet.type = SR_DF_LOGIC;
packet.payload = &logic;
logic.length = cur_buflen - trigger_offset;
logic.unitsize = 1;
logic.data = cur_buf + trigger_offset;
- sr_session_bus(fx2->session_data, &packet);
+ sr_session_bus(ctx->session_data, &packet);
g_free(cur_buf);
num_samples += cur_buflen;
- if (fx2->limit_samples && (unsigned int) num_samples > fx2->limit_samples) {
- hw_stop_acquisition(-1, fx2->session_data);
+ if (ctx->limit_samples && (unsigned int) num_samples > ctx->limit_samples) {
+ hw_dev_acquisition_stop(-1, ctx->session_data);
}
} else {
/*
}
}
-static int hw_start_acquisition(int dev_index, gpointer session_data)
+static int hw_dev_acquisition_start(int dev_index, gpointer session_data)
{
struct sr_dev_inst *sdi;
struct sr_datafeed_packet *packet;
struct sr_datafeed_header *header;
- struct fx2_dev *fx2;
+ struct context *ctx;
struct libusb_transfer *transfer;
const struct libusb_pollfd **lupfd;
int size, i;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
return SR_ERR;
- fx2 = sdi->priv;
- fx2->session_data = session_data;
+ ctx = sdi->priv;
+ ctx->session_data = session_data;
if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
sr_err("logic: %s: packet malloc failed", __func__);
return SR_ERR_MALLOC;
}
transfer = libusb_alloc_transfer(0);
- libusb_fill_bulk_transfer(transfer, fx2->usb->devhdl,
+ libusb_fill_bulk_transfer(transfer, ctx->usb->devhdl,
2 | LIBUSB_ENDPOINT_IN, buf, size,
- receive_transfer, fx2, 40);
+ receive_transfer, ctx, 40);
if (libusb_submit_transfer(transfer) != 0) {
/* TODO: Free them all. */
libusb_free_transfer(transfer);
packet->payload = header;
header->feed_version = 1;
gettimeofday(&header->starttime, NULL);
- header->samplerate = fx2->cur_samplerate;
- header->num_logic_probes = fx2->profile->num_probes;
+ header->samplerate = ctx->cur_samplerate;
+ header->num_logic_probes = ctx->profile->num_probes;
sr_session_bus(session_data, packet);
g_free(header);
g_free(packet);
}
/* This stops acquisition on ALL devices, ignoring dev_index. */
-static int hw_stop_acquisition(int dev_index, gpointer session_data)
+static int hw_dev_acquisition_stop(int dev_index, gpointer session_data)
{
struct sr_datafeed_packet packet;
.api_version = 1,
.init = hw_init,
.cleanup = hw_cleanup,
- .opendev = hw_opendev,
- .closedev = hw_closedev,
- .get_dev_info = hw_get_dev_info,
- .get_status = hw_get_status,
- .get_capabilities = hw_get_capabilities,
- .set_configuration = hw_set_configuration,
- .start_acquisition = hw_start_acquisition,
- .stop_acquisition = hw_stop_acquisition,
+ .dev_open = hw_dev_open,
+ .dev_close = hw_dev_close,
+ .dev_info_get = hw_dev_info_get,
+ .dev_status_get = hw_dev_status_get,
+ .hwcap_get_all = hw_hwcap_get_all,
+ .dev_config_set = hw_dev_config_set,
+ .dev_acquisition_start = hw_dev_acquisition_start,
+ .dev_acquisition_stop = hw_dev_acquisition_stop,
};
projects / libsigrok.git / blobdiff