noinst_LTLIBRARIES = libsigrokhwzeroplus.la
libsigrokhwzeroplus_la_SOURCES = \
+ api.c \
+ protocol.c \
+ protocol.h \
analyzer.c \
analyzer.h \
gl_usb.c \
- gl_usb.h \
- zeroplus.c
+ gl_usb.h
libsigrokhwzeroplus_la_CFLAGS = \
-I$(top_srcdir)
--- /dev/null
+/*
+ * This file is part of the sigrok project.
+ *
+ * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "protocol.h"
+
+#define USB_VENDOR 0x0c12
+
+#define VENDOR_NAME "ZEROPLUS"
+#define MODEL_NAME "Logic Cube LAP-C"
+#define MODEL_VERSION NULL
+
+#define NUM_PROBES 16
+#define USB_INTERFACE 0
+#define USB_CONFIGURATION 1
+#define NUM_TRIGGER_STAGES 4
+#define TRIGGER_TYPE "01"
+
+#define PACKET_SIZE 2048 /* ?? */
+
+//#define ZP_EXPERIMENTAL
+
+typedef struct {
+ unsigned short vid;
+ unsigned short pid;
+ char *model_name;
+ unsigned int channels;
+ unsigned int sample_depth; /* In Ksamples/channel */
+ unsigned int max_sampling_freq;
+} model_t;
+
+/*
+ * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the
+ * same 128K sample depth.
+ */
+static model_t zeroplus_models[] = {
+ {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100},
+ {0x0c12, 0x700A, "LAP-C(16128)", 16, 128, 200},
+ /* TODO: we don't know anything about these
+ {0x0c12, 0x700B, "LAP-C(32128)", 32, 128, 200},
+ {0x0c12, 0x700C, "LAP-C(321000)", 32, 1024, 200},
+ {0x0c12, 0x700D, "LAP-C(322000)", 32, 2048, 200},
+ */
+ {0x0c12, 0x700E, "LAP-C(16032)", 16, 32, 100},
+ {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200},
+ { 0, 0, 0, 0, 0, 0 }
+};
+
+static const int hwcaps[] = {
+ SR_CONF_LOGIC_ANALYZER,
+ SR_CONF_SAMPLERATE,
+ SR_CONF_CAPTURE_RATIO,
+
+ /* These are really implemented in the driver, not the hardware. */
+ SR_CONF_LIMIT_SAMPLES,
+ 0,
+};
+
+/*
+ * ZEROPLUS LAP-C (16032) numbers the 16 probes A0-A7 and B0-B7.
+ * We currently ignore other untested/unsupported devices here.
+ */
+static const char *probe_names[NUM_PROBES + 1] = {
+ "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
+ "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
+ NULL,
+};
+
+/* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */
+SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info;
+static struct sr_dev_driver *di = &zeroplus_logic_cube_driver_info;
+
+/*
+ * The hardware supports more samplerates than these, but these are the
+ * options hardcoded into the vendor's Windows GUI.
+ */
+
+/*
+ * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up
+ * that high.
+ */
+const uint64_t zp_supported_samplerates[] = {
+ SR_HZ(100),
+ SR_HZ(500),
+ SR_KHZ(1),
+ SR_KHZ(5),
+ SR_KHZ(25),
+ SR_KHZ(50),
+ SR_KHZ(100),
+ SR_KHZ(200),
+ SR_KHZ(400),
+ SR_KHZ(800),
+ SR_MHZ(1),
+ SR_MHZ(10),
+ SR_MHZ(25),
+ SR_MHZ(50),
+ SR_MHZ(80),
+ SR_MHZ(100),
+ SR_MHZ(150),
+ SR_MHZ(200),
+ 0,
+};
+
+static const struct sr_samplerates samplerates = {
+ .low = 0,
+ .high = 0,
+ .step = 0,
+ .list = zp_supported_samplerates,
+};
+
+static int hw_dev_close(struct sr_dev_inst *sdi);
+
+#if 0
+static int configure_probes(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ const struct sr_probe *probe;
+ const GSList *l;
+ int probe_bit, stage, i;
+ char *tc;
+
+ /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */
+ devc = sdi->priv;
+
+ devc->probe_mask = 0;
+ for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
+ devc->trigger_mask[i] = 0;
+ devc->trigger_value[i] = 0;
+ }
+
+ stage = -1;
+ for (l = sdi->probes; l; l = l->next) {
+ probe = (struct sr_probe *)l->data;
+ if (probe->enabled == FALSE)
+ continue;
+ probe_bit = 1 << (probe->index);
+ devc->probe_mask |= probe_bit;
+
+ if (probe->trigger) {
+ stage = 0;
+ for (tc = probe->trigger; *tc; tc++) {
+ devc->trigger_mask[stage] |= probe_bit;
+ if (*tc == '1')
+ devc->trigger_value[stage] |= probe_bit;
+ stage++;
+ if (stage > NUM_TRIGGER_STAGES)
+ return SR_ERR;
+ }
+ }
+ }
+
+ return SR_OK;
+}
+#endif
+
+static int configure_probes(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ const GSList *l;
+ const struct sr_probe *probe;
+ char *tc;
+ int type;
+
+ /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */
+ devc = sdi->priv;
+
+ for (l = sdi->probes; l; l = l->next) {
+ probe = (struct sr_probe *)l->data;
+ if (probe->enabled == FALSE)
+ continue;
+
+ if ((tc = probe->trigger)) {
+ switch (*tc) {
+ case '1':
+ type = TRIGGER_HIGH;
+ break;
+ case '0':
+ type = TRIGGER_LOW;
+ break;
+#if 0
+ case 'r':
+ type = TRIGGER_POSEDGE;
+ break;
+ case 'f':
+ type = TRIGGER_NEGEDGE;
+ break;
+ case 'c':
+ type = TRIGGER_ANYEDGE;
+ break;
+#endif
+ default:
+ return SR_ERR;
+ }
+ analyzer_add_trigger(probe->index, type);
+ devc->trigger = 1;
+ }
+ }
+
+ return SR_OK;
+}
+
+static int clear_instances(void)
+{
+ GSList *l;
+ struct sr_dev_inst *sdi;
+ struct drv_context *drvc;
+ struct dev_context *devc;
+
+ drvc = di->priv;
+ for (l = drvc->instances; l; l = l->next) {
+ sdi = l->data;
+ if (!(devc = sdi->priv)) {
+ /* Log error, but continue cleaning up the rest. */
+ sr_err("%s: sdi->priv was NULL, continuing", __func__);
+ continue;
+ }
+ sr_usb_dev_inst_free(devc->usb);
+ /* Properly close all devices... */
+ hw_dev_close(sdi);
+ /* ...and free all their memory. */
+ sr_dev_inst_free(sdi);
+ }
+ g_slist_free(drvc->instances);
+ drvc->instances = NULL;
+
+ return SR_OK;
+}
+
+static int hw_init(struct sr_context *sr_ctx)
+{
+ return std_hw_init(sr_ctx, di, "zeroplus: ");
+}
+
+static GSList *hw_scan(GSList *options)
+{
+ struct sr_dev_inst *sdi;
+ struct sr_probe *probe;
+ struct drv_context *drvc;
+ struct dev_context *devc;
+ model_t *prof;
+ struct libusb_device_descriptor des;
+ libusb_device **devlist;
+ GSList *devices;
+ int ret, devcnt, i, j;
+
+ (void)options;
+
+ drvc = di->priv;
+
+ devices = NULL;
+
+ clear_instances();
+
+ /* Find all ZEROPLUS analyzers and add them to device list. */
+ devcnt = 0;
+ libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
+
+ for (i = 0; devlist[i]; i++) {
+ ret = libusb_get_device_descriptor(devlist[i], &des);
+ if (ret != 0) {
+ sr_err("Failed to get device descriptor: %s.",
+ libusb_error_name(ret));
+ continue;
+ }
+
+ prof = NULL;
+ for (j = 0; j < zeroplus_models[j].vid; j++) {
+ if (des.idVendor == zeroplus_models[j].vid &&
+ des.idProduct == zeroplus_models[j].pid) {
+ prof = &zeroplus_models[j];
+ }
+ }
+ /* Skip if the device was not found */
+ if (!prof)
+ continue;
+ sr_info("Found ZEROPLUS model %s.", prof->model_name);
+
+ /* Register the device with libsigrok. */
+ if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE,
+ VENDOR_NAME, prof->model_name, NULL))) {
+ sr_err("%s: sr_dev_inst_new failed", __func__);
+ return NULL;
+ }
+ sdi->driver = di;
+
+ /* Allocate memory for our private driver context. */
+ if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+ sr_err("Device context malloc failed.");
+ return NULL;
+ }
+ sdi->priv = devc;
+ devc->num_channels = prof->channels;
+#ifdef ZP_EXPERIMENTAL
+ devc->max_memory_size = 128 * 1024;
+ devc->max_samplerate = 200;
+#else
+ devc->max_memory_size = prof->sample_depth * 1024;
+ devc->max_samplerate = prof->max_sampling_freq;
+#endif
+ devc->max_samplerate *= SR_MHZ(1);
+ devc->memory_size = MEMORY_SIZE_8K;
+ // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
+
+ /* Fill in probelist according to this device's profile. */
+ for (j = 0; j < devc->num_channels; j++) {
+ if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE,
+ probe_names[j])))
+ return NULL;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ }
+
+ devices = g_slist_append(devices, sdi);
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devc->usb = sr_usb_dev_inst_new(
+ libusb_get_bus_number(devlist[i]),
+ libusb_get_device_address(devlist[i]), NULL);
+ devcnt++;
+
+ }
+ libusb_free_device_list(devlist, 1);
+
+ return devices;
+}
+
+static GSList *hw_dev_list(void)
+{
+ return ((struct drv_context *)(di->priv))->instances;
+}
+
+static int hw_dev_open(struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct drv_context *drvc = di->priv;
+ libusb_device **devlist, *dev;
+ struct libusb_device_descriptor des;
+ int device_count, ret, i;
+
+ if (!(devc = sdi->priv)) {
+ sr_err("%s: sdi->priv was NULL", __func__);
+ return SR_ERR_ARG;
+ }
+
+ device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx,
+ &devlist);
+ if (device_count < 0) {
+ sr_err("Failed to retrieve device list.");
+ return SR_ERR;
+ }
+
+ dev = NULL;
+ for (i = 0; i < device_count; i++) {
+ if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
+ sr_err("Failed to get device descriptor: %s.",
+ libusb_error_name(ret));
+ continue;
+ }
+ if (libusb_get_bus_number(devlist[i]) == devc->usb->bus
+ && libusb_get_device_address(devlist[i]) == devc->usb->address) {
+ dev = devlist[i];
+ break;
+ }
+ }
+ if (!dev) {
+ sr_err("Device on bus %d address %d disappeared!",
+ devc->usb->bus, devc->usb->address);
+ return SR_ERR;
+ }
+
+ if (!(ret = libusb_open(dev, &(devc->usb->devhdl)))) {
+ sdi->status = SR_ST_ACTIVE;
+ sr_info("Opened device %d on %d.%d interface %d.",
+ sdi->index, devc->usb->bus,
+ devc->usb->address, USB_INTERFACE);
+ } else {
+ sr_err("Failed to open device: %s.", libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ ret = libusb_set_configuration(devc->usb->devhdl, USB_CONFIGURATION);
+ if (ret < 0) {
+ sr_err("Unable to set USB configuration %d: %s.",
+ USB_CONFIGURATION, libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE);
+ if (ret != 0) {
+ sr_err("Unable to claim interface: %s.",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ /* Set default configuration after power on */
+ if (analyzer_read_status(devc->usb->devhdl) == 0)
+ analyzer_configure(devc->usb->devhdl);
+
+ analyzer_reset(devc->usb->devhdl);
+ analyzer_initialize(devc->usb->devhdl);
+
+ //analyzer_set_memory_size(MEMORY_SIZE_512K);
+ // analyzer_set_freq(g_freq, g_freq_scale);
+ analyzer_set_trigger_count(1);
+ // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
+ // * get_memory_size(g_memory_size)) / 100) >> 2);
+
+#if 0
+ if (g_double_mode == 1)
+ analyzer_set_compression(COMPRESSION_DOUBLE);
+ else if (g_compression == 1)
+ analyzer_set_compression(COMPRESSION_ENABLE);
+ else
+#endif
+ analyzer_set_compression(COMPRESSION_NONE);
+
+ if (devc->cur_samplerate == 0) {
+ /* Samplerate hasn't been set. Default to 1MHz. */
+ analyzer_set_freq(1, FREQ_SCALE_MHZ);
+ devc->cur_samplerate = SR_MHZ(1);
+ }
+
+ return SR_OK;
+}
+
+static int hw_dev_close(struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+
+ if (!devc->usb->devhdl)
+ 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_reset_device(devc->usb->devhdl);
+ libusb_close(devc->usb->devhdl);
+ devc->usb->devhdl = NULL;
+ sdi->status = SR_ST_INACTIVE;
+
+ return SR_OK;
+}
+
+static int hw_cleanup(void)
+{
+ struct drv_context *drvc;
+
+ if (!(drvc = di->priv))
+ return SR_OK;
+
+ clear_instances();
+
+ return SR_OK;
+}
+
+static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+
+ switch (id) {
+ case SR_CONF_SAMPLERATE:
+ if (sdi) {
+ devc = sdi->priv;
+ *data = &devc->cur_samplerate;
+ sr_spew("Returning samplerate: %" PRIu64 "Hz.",
+ devc->cur_samplerate);
+ } else
+ return SR_ERR;
+ break;
+ default:
+ return SR_ERR_ARG;
+ }
+
+ return SR_OK;
+}
+
+static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+
+ if (!sdi) {
+ sr_err("%s: sdi was NULL", __func__);
+ return SR_ERR_ARG;
+ }
+
+ if (!(devc = sdi->priv)) {
+ sr_err("%s: sdi->priv was NULL", __func__);
+ return SR_ERR_ARG;
+ }
+
+ switch (id) {
+ case SR_CONF_SAMPLERATE:
+ return zp_set_samplerate(devc, *(const uint64_t *)value);
+ case SR_CONF_LIMIT_SAMPLES:
+ return set_limit_samples(devc, *(const uint64_t *)value);
+ case SR_CONF_CAPTURE_RATIO:
+ return set_capture_ratio(devc, *(const uint64_t *)value);
+ default:
+ return SR_ERR;
+ }
+}
+
+static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
+{
+ (void)sdi;
+
+ switch (key) {
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = hwcaps;
+ break;
+ case SR_CONF_SAMPLERATE:
+ *data = &samplerates;
+ break;
+ case SR_CONF_TRIGGER_TYPE:
+ *data = TRIGGER_TYPE;
+ break;
+ default:
+ return SR_ERR_ARG;
+ }
+
+ return SR_OK;
+}
+
+static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
+ void *cb_data)
+{
+ struct sr_datafeed_packet packet;
+ struct sr_datafeed_logic logic;
+ //uint64_t samples_read;
+ int res;
+ unsigned int packet_num;
+ unsigned int n;
+ unsigned char *buf;
+ struct dev_context *devc;
+
+ if (!(devc = sdi->priv)) {
+ sr_err("%s: sdi->priv was NULL", __func__);
+ return SR_ERR_ARG;
+ }
+
+ if (configure_probes(sdi) != SR_OK) {
+ sr_err("Failed to configure probes.");
+ return SR_ERR;
+ }
+
+ set_triggerbar(devc);
+
+ /* push configured settings to device */
+ analyzer_configure(devc->usb->devhdl);
+
+ analyzer_start(devc->usb->devhdl);
+ sr_info("Waiting for data.");
+ analyzer_wait_data(devc->usb->devhdl);
+
+ sr_info("Stop address = 0x%x.",
+ analyzer_get_stop_address(devc->usb->devhdl));
+ sr_info("Now address = 0x%x.",
+ analyzer_get_now_address(devc->usb->devhdl));
+ sr_info("Trigger address = 0x%x.",
+ analyzer_get_trigger_address(devc->usb->devhdl));
+
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
+
+ if (!(buf = g_try_malloc(PACKET_SIZE))) {
+ sr_err("Packet buffer malloc failed.");
+ return SR_ERR_MALLOC;
+ }
+
+ //samples_read = 0;
+ analyzer_read_start(devc->usb->devhdl);
+ /* Send the incoming transfer to the session bus. */
+ n = get_memory_size(devc->memory_size);
+ if (devc->max_memory_size * 4 < n)
+ n = devc->max_memory_size * 4;
+ for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
+ res = analyzer_read_data(devc->usb->devhdl, buf, PACKET_SIZE);
+ sr_info("Tried to read %d bytes, actually read %d bytes.",
+ PACKET_SIZE, res);
+
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ logic.length = PACKET_SIZE;
+ logic.unitsize = 4;
+ logic.data = buf;
+ sr_session_send(cb_data, &packet);
+ //samples_read += res / 4;
+ }
+ analyzer_read_stop(devc->usb->devhdl);
+ g_free(buf);
+
+ packet.type = SR_DF_END;
+ sr_session_send(cb_data, &packet);
+
+ 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)
+{
+ struct sr_datafeed_packet packet;
+ struct dev_context *devc;
+
+ packet.type = SR_DF_END;
+ sr_session_send(cb_data, &packet);
+
+ if (!(devc = sdi->priv)) {
+ sr_err("%s: sdi->priv was NULL", __func__);
+ return SR_ERR_BUG;
+ }
+
+ analyzer_reset(devc->usb->devhdl);
+ /* TODO: Need to cancel and free any queued up transfers. */
+
+ return SR_OK;
+}
+
+SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = {
+ .name = "zeroplus-logic-cube",
+ .longname = "ZEROPLUS Logic Cube LAP-C series",
+ .api_version = 1,
+ .init = hw_init,
+ .cleanup = hw_cleanup,
+ .scan = hw_scan,
+ .dev_list = hw_dev_list,
+ .dev_clear = hw_cleanup,
+ .config_get = config_get,
+ .config_set = config_set,
+ .config_list = config_list,
+ .dev_open = hw_dev_open,
+ .dev_close = hw_dev_close,
+ .dev_acquisition_start = hw_dev_acquisition_start,
+ .dev_acquisition_stop = hw_dev_acquisition_stop,
+ .priv = NULL,
+};
--- /dev/null
+/*
+ * This file is part of the sigrok project.
+ *
+ * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "protocol.h"
+
+SR_PRIV unsigned int get_memory_size(int type)
+{
+ if (type == MEMORY_SIZE_8K)
+ return 8 * 1024;
+ else if (type == MEMORY_SIZE_64K)
+ return 64 * 1024;
+ else if (type == MEMORY_SIZE_128K)
+ return 128 * 1024;
+ else if (type == MEMORY_SIZE_512K)
+ return 512 * 1024;
+ else
+ return 0;
+}
+
+SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate)
+{
+ int i;
+
+ for (i = 0; zp_supported_samplerates[i]; i++)
+ if (samplerate == zp_supported_samplerates[i])
+ break;
+
+ if (!zp_supported_samplerates[i] || samplerate > devc->max_samplerate) {
+ sr_err("Unsupported samplerate.");
+ return SR_ERR_ARG;
+ }
+
+ sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate);
+
+ if (samplerate >= SR_MHZ(1))
+ analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ);
+ else if (samplerate >= SR_KHZ(1))
+ analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ);
+ else
+ analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
+
+ devc->cur_samplerate = samplerate;
+
+ return SR_OK;
+}
+
+SR_PRIV int set_limit_samples(struct dev_context *devc, uint64_t samples)
+{
+ devc->limit_samples = samples;
+
+ if (samples <= 2 * 1024)
+ devc->memory_size = MEMORY_SIZE_8K;
+ else if (samples <= 16 * 1024)
+ devc->memory_size = MEMORY_SIZE_64K;
+ else if (samples <= 32 * 1024 ||
+ devc->max_memory_size <= 32 * 1024)
+ devc->memory_size = MEMORY_SIZE_128K;
+ else
+ devc->memory_size = MEMORY_SIZE_512K;
+
+ sr_info("Setting memory size to %dK.",
+ get_memory_size(devc->memory_size) / 1024);
+
+ analyzer_set_memory_size(devc->memory_size);
+
+ return SR_OK;
+}
+
+SR_PRIV int set_capture_ratio(struct dev_context *devc, uint64_t ratio)
+{
+ if (ratio > 100) {
+ sr_err("Invalid capture ratio: %" PRIu64 ".", ratio);
+ return SR_ERR_ARG;
+ }
+
+ devc->capture_ratio = ratio;
+
+ sr_info("Setting capture ratio to %d%%.", devc->capture_ratio);
+
+ return SR_OK;
+}
+
+SR_PRIV void set_triggerbar(struct dev_context *devc)
+{
+ unsigned int ramsize;
+ unsigned int n;
+ unsigned int triggerbar;
+
+ ramsize = get_memory_size(devc->memory_size) / 4;
+ if (devc->trigger) {
+ n = ramsize;
+ if (devc->max_memory_size < n)
+ n = devc->max_memory_size;
+ if (devc->limit_samples < n)
+ n = devc->limit_samples;
+ n = n * devc->capture_ratio / 100;
+ if (n > ramsize - 8)
+ triggerbar = ramsize - 8;
+ else
+ triggerbar = n;
+ } else {
+ triggerbar = 0;
+ }
+ analyzer_set_triggerbar_address(triggerbar);
+ analyzer_set_ramsize_trigger_address(ramsize - triggerbar);
+
+ sr_dbg("triggerbar_address = %d(0x%x)", triggerbar, triggerbar);
+ sr_dbg("ramsize_triggerbar_address = %d(0x%x)",
+ ramsize - triggerbar, ramsize - triggerbar);
+}
#ifndef LIBSIGROK_HARDWARE_ZEROPLUS_LOGIC_CUBE_PROTOCOL_H
#define LIBSIGROK_HARDWARE_ZEROPLUS_LOGIC_CUBE_PROTOCOL_H
+#include <stdint.h>
+#include <glib.h>
+#include <libusb.h>
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+#include "analyzer.h"
+
/* Message logging helpers with driver-specific prefix string. */
#define DRIVER_LOG_DOMAIN "zeroplus: "
#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
+/* Private, per-device-instance driver context. */
+struct dev_context {
+ uint64_t cur_samplerate;
+ uint64_t max_samplerate;
+ uint64_t limit_samples;
+ int num_channels; /* TODO: This isn't initialized before it's needed :( */
+ int memory_size;
+ unsigned int max_memory_size;
+ //uint8_t probe_mask;
+ //uint8_t trigger_mask[NUM_TRIGGER_STAGES];
+ //uint8_t trigger_value[NUM_TRIGGER_STAGES];
+ // uint8_t trigger_buffer[NUM_TRIGGER_STAGES];
+ int trigger;
+ unsigned int capture_ratio;
+
+ /* TODO: this belongs in the device instance */
+ struct sr_usb_dev_inst *usb;
+};
+
+extern const uint64_t zp_supported_samplerates[];
+
+SR_PRIV unsigned int get_memory_size(int type);
+SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate);
+SR_PRIV int set_limit_samples(struct dev_context *devc, uint64_t samples);
+SR_PRIV int set_capture_ratio(struct dev_context *devc, uint64_t ratio);
+SR_PRIV void set_triggerbar(struct dev_context *devc);
+
#endif
+++ /dev/null
-/*
- * This file is part of the sigrok project.
- *
- * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/time.h>
-#include <inttypes.h>
-#include <glib.h>
-#include <libusb.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-#include "analyzer.h"
-#include "protocol.h"
-
-#define USB_VENDOR 0x0c12
-
-#define VENDOR_NAME "ZEROPLUS"
-#define MODEL_NAME "Logic Cube LAP-C"
-#define MODEL_VERSION NULL
-
-#define NUM_PROBES 16
-#define USB_INTERFACE 0
-#define USB_CONFIGURATION 1
-#define NUM_TRIGGER_STAGES 4
-#define TRIGGER_TYPE "01"
-
-#define PACKET_SIZE 2048 /* ?? */
-
-//#define ZP_EXPERIMENTAL
-
-typedef struct {
- unsigned short vid;
- unsigned short pid;
- char *model_name;
- unsigned int channels;
- unsigned int sample_depth; /* In Ksamples/channel */
- unsigned int max_sampling_freq;
-} model_t;
-
-/*
- * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the
- * same 128K sample depth.
- */
-static model_t zeroplus_models[] = {
- {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100},
- {0x0c12, 0x700A, "LAP-C(16128)", 16, 128, 200},
- /* TODO: we don't know anything about these
- {0x0c12, 0x700B, "LAP-C(32128)", 32, 128, 200},
- {0x0c12, 0x700C, "LAP-C(321000)", 32, 1024, 200},
- {0x0c12, 0x700D, "LAP-C(322000)", 32, 2048, 200},
- */
- {0x0c12, 0x700E, "LAP-C(16032)", 16, 32, 100},
- {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200},
- { 0, 0, 0, 0, 0, 0 }
-};
-
-static const int hwcaps[] = {
- SR_CONF_LOGIC_ANALYZER,
- SR_CONF_SAMPLERATE,
- SR_CONF_CAPTURE_RATIO,
-
- /* These are really implemented in the driver, not the hardware. */
- SR_CONF_LIMIT_SAMPLES,
- 0,
-};
-
-/*
- * ZEROPLUS LAP-C (16032) numbers the 16 probes A0-A7 and B0-B7.
- * We currently ignore other untested/unsupported devices here.
- */
-static const char *probe_names[NUM_PROBES + 1] = {
- "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
- "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
- NULL,
-};
-
-/* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */
-SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info;
-static struct sr_dev_driver *di = &zeroplus_logic_cube_driver_info;
-
-/*
- * The hardware supports more samplerates than these, but these are the
- * options hardcoded into the vendor's Windows GUI.
- */
-
-/*
- * TODO: We shouldn't support 150MHz and 200MHz on devices that don't go up
- * that high.
- */
-static const uint64_t supported_samplerates[] = {
- SR_HZ(100),
- SR_HZ(500),
- SR_KHZ(1),
- SR_KHZ(5),
- SR_KHZ(25),
- SR_KHZ(50),
- SR_KHZ(100),
- SR_KHZ(200),
- SR_KHZ(400),
- SR_KHZ(800),
- SR_MHZ(1),
- SR_MHZ(10),
- SR_MHZ(25),
- SR_MHZ(50),
- SR_MHZ(80),
- SR_MHZ(100),
- SR_MHZ(150),
- SR_MHZ(200),
- 0,
-};
-
-static const struct sr_samplerates samplerates = {
- .low = 0,
- .high = 0,
- .step = 0,
- .list = supported_samplerates,
-};
-
-/* Private, per-device-instance driver context. */
-struct dev_context {
- uint64_t cur_samplerate;
- uint64_t max_samplerate;
- uint64_t limit_samples;
- int num_channels; /* TODO: This isn't initialized before it's needed :( */
- int memory_size;
- unsigned int max_memory_size;
- //uint8_t probe_mask;
- //uint8_t trigger_mask[NUM_TRIGGER_STAGES];
- //uint8_t trigger_value[NUM_TRIGGER_STAGES];
- // uint8_t trigger_buffer[NUM_TRIGGER_STAGES];
- int trigger;
- unsigned int capture_ratio;
-
- /* TODO: this belongs in the device instance */
- struct sr_usb_dev_inst *usb;
-};
-
-static int hw_dev_close(struct sr_dev_inst *sdi);
-
-static unsigned int get_memory_size(int type)
-{
- if (type == MEMORY_SIZE_8K)
- return 8 * 1024;
- else if (type == MEMORY_SIZE_64K)
- return 64 * 1024;
- else if (type == MEMORY_SIZE_128K)
- return 128 * 1024;
- else if (type == MEMORY_SIZE_512K)
- return 512 * 1024;
- else
- return 0;
-}
-
-#if 0
-static int configure_probes(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- const struct sr_probe *probe;
- const GSList *l;
- int probe_bit, stage, i;
- char *tc;
-
- /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */
- devc = sdi->priv;
-
- devc->probe_mask = 0;
- for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
- devc->trigger_mask[i] = 0;
- devc->trigger_value[i] = 0;
- }
-
- stage = -1;
- for (l = sdi->probes; l; l = l->next) {
- probe = (struct sr_probe *)l->data;
- if (probe->enabled == FALSE)
- continue;
- probe_bit = 1 << (probe->index);
- devc->probe_mask |= probe_bit;
-
- if (probe->trigger) {
- stage = 0;
- for (tc = probe->trigger; *tc; tc++) {
- devc->trigger_mask[stage] |= probe_bit;
- if (*tc == '1')
- devc->trigger_value[stage] |= probe_bit;
- stage++;
- if (stage > NUM_TRIGGER_STAGES)
- return SR_ERR;
- }
- }
- }
-
- return SR_OK;
-}
-#endif
-
-static int configure_probes(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- const GSList *l;
- const struct sr_probe *probe;
- char *tc;
- int type;
-
- /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */
- devc = sdi->priv;
-
- for (l = sdi->probes; l; l = l->next) {
- probe = (struct sr_probe *)l->data;
- if (probe->enabled == FALSE)
- continue;
-
- if ((tc = probe->trigger)) {
- switch (*tc) {
- case '1':
- type = TRIGGER_HIGH;
- break;
- case '0':
- type = TRIGGER_LOW;
- break;
-#if 0
- case 'r':
- type = TRIGGER_POSEDGE;
- break;
- case 'f':
- type = TRIGGER_NEGEDGE;
- break;
- case 'c':
- type = TRIGGER_ANYEDGE;
- break;
-#endif
- default:
- return SR_ERR;
- }
- analyzer_add_trigger(probe->index, type);
- devc->trigger = 1;
- }
- }
-
- return SR_OK;
-}
-
-static int clear_instances(void)
-{
- GSList *l;
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
-
- drvc = di->priv;
- for (l = drvc->instances; l; l = l->next) {
- sdi = l->data;
- if (!(devc = sdi->priv)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("%s: sdi->priv was NULL, continuing", __func__);
- continue;
- }
- sr_usb_dev_inst_free(devc->usb);
- /* Properly close all devices... */
- hw_dev_close(sdi);
- /* ...and free all their memory. */
- sr_dev_inst_free(sdi);
- }
- g_slist_free(drvc->instances);
- drvc->instances = NULL;
-
- return SR_OK;
-}
-
-static int hw_init(struct sr_context *sr_ctx)
-{
- return std_hw_init(sr_ctx, di, "zeroplus: ");
-}
-
-static GSList *hw_scan(GSList *options)
-{
- struct sr_dev_inst *sdi;
- struct sr_probe *probe;
- struct drv_context *drvc;
- struct dev_context *devc;
- model_t *prof;
- struct libusb_device_descriptor des;
- libusb_device **devlist;
- GSList *devices;
- int ret, devcnt, i, j;
-
- (void)options;
-
- drvc = di->priv;
-
- devices = NULL;
-
- clear_instances();
-
- /* Find all ZEROPLUS analyzers and add them to device list. */
- devcnt = 0;
- libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
-
- for (i = 0; devlist[i]; i++) {
- ret = libusb_get_device_descriptor(devlist[i], &des);
- if (ret != 0) {
- sr_err("Failed to get device descriptor: %s.",
- libusb_error_name(ret));
- continue;
- }
-
- prof = NULL;
- for (j = 0; j < zeroplus_models[j].vid; j++) {
- if (des.idVendor == zeroplus_models[j].vid &&
- des.idProduct == zeroplus_models[j].pid) {
- prof = &zeroplus_models[j];
- }
- }
- /* Skip if the device was not found */
- if (!prof)
- continue;
- sr_info("Found ZEROPLUS model %s.", prof->model_name);
-
- /* Register the device with libsigrok. */
- if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE,
- VENDOR_NAME, prof->model_name, NULL))) {
- sr_err("%s: sr_dev_inst_new failed", __func__);
- return NULL;
- }
- sdi->driver = di;
-
- /* Allocate memory for our private driver context. */
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_err("Device context malloc failed.");
- return NULL;
- }
- sdi->priv = devc;
- devc->num_channels = prof->channels;
-#ifdef ZP_EXPERIMENTAL
- devc->max_memory_size = 128 * 1024;
- devc->max_samplerate = 200;
-#else
- devc->max_memory_size = prof->sample_depth * 1024;
- devc->max_samplerate = prof->max_sampling_freq;
-#endif
- devc->max_samplerate *= SR_MHZ(1);
- devc->memory_size = MEMORY_SIZE_8K;
- // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
-
- /* Fill in probelist according to this device's profile. */
- for (j = 0; j < devc->num_channels; j++) {
- if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE,
- probe_names[j])))
- return NULL;
- sdi->probes = g_slist_append(sdi->probes, probe);
- }
-
- devices = g_slist_append(devices, sdi);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devc->usb = sr_usb_dev_inst_new(
- libusb_get_bus_number(devlist[i]),
- libusb_get_device_address(devlist[i]), NULL);
- devcnt++;
-
- }
- libusb_free_device_list(devlist, 1);
-
- return devices;
-}
-
-static GSList *hw_dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
-static int hw_dev_open(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct drv_context *drvc = di->priv;
- libusb_device **devlist, *dev;
- struct libusb_device_descriptor des;
- int device_count, ret, i;
-
- if (!(devc = sdi->priv)) {
- sr_err("%s: sdi->priv was NULL", __func__);
- return SR_ERR_ARG;
- }
-
- device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx,
- &devlist);
- if (device_count < 0) {
- sr_err("Failed to retrieve device list.");
- return SR_ERR;
- }
-
- dev = NULL;
- for (i = 0; i < device_count; i++) {
- if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
- sr_err("Failed to get device descriptor: %s.",
- libusb_error_name(ret));
- continue;
- }
- if (libusb_get_bus_number(devlist[i]) == devc->usb->bus
- && libusb_get_device_address(devlist[i]) == devc->usb->address) {
- dev = devlist[i];
- break;
- }
- }
- if (!dev) {
- sr_err("Device on bus %d address %d disappeared!",
- devc->usb->bus, devc->usb->address);
- return SR_ERR;
- }
-
- if (!(ret = libusb_open(dev, &(devc->usb->devhdl)))) {
- sdi->status = SR_ST_ACTIVE;
- sr_info("Opened device %d on %d.%d interface %d.",
- sdi->index, devc->usb->bus,
- devc->usb->address, USB_INTERFACE);
- } else {
- sr_err("Failed to open device: %s.", libusb_error_name(ret));
- return SR_ERR;
- }
-
- ret = libusb_set_configuration(devc->usb->devhdl, USB_CONFIGURATION);
- if (ret < 0) {
- sr_err("Unable to set USB configuration %d: %s.",
- USB_CONFIGURATION, libusb_error_name(ret));
- return SR_ERR;
- }
-
- ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE);
- if (ret != 0) {
- sr_err("Unable to claim interface: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
-
- /* Set default configuration after power on */
- if (analyzer_read_status(devc->usb->devhdl) == 0)
- analyzer_configure(devc->usb->devhdl);
-
- analyzer_reset(devc->usb->devhdl);
- analyzer_initialize(devc->usb->devhdl);
-
- //analyzer_set_memory_size(MEMORY_SIZE_512K);
- // analyzer_set_freq(g_freq, g_freq_scale);
- analyzer_set_trigger_count(1);
- // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
- // * get_memory_size(g_memory_size)) / 100) >> 2);
-
-#if 0
- if (g_double_mode == 1)
- analyzer_set_compression(COMPRESSION_DOUBLE);
- else if (g_compression == 1)
- analyzer_set_compression(COMPRESSION_ENABLE);
- else
-#endif
- analyzer_set_compression(COMPRESSION_NONE);
-
- if (devc->cur_samplerate == 0) {
- /* Samplerate hasn't been set. Default to 1MHz. */
- analyzer_set_freq(1, FREQ_SCALE_MHZ);
- devc->cur_samplerate = SR_MHZ(1);
- }
-
- return SR_OK;
-}
-
-static int hw_dev_close(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- devc = sdi->priv;
-
- if (!devc->usb->devhdl)
- 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_reset_device(devc->usb->devhdl);
- libusb_close(devc->usb->devhdl);
- devc->usb->devhdl = NULL;
- sdi->status = SR_ST_INACTIVE;
-
- return SR_OK;
-}
-
-static int hw_cleanup(void)
-{
- struct drv_context *drvc;
-
- if (!(drvc = di->priv))
- return SR_OK;
-
- clear_instances();
-
- return SR_OK;
-}
-
-static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- switch (id) {
- case SR_CONF_SAMPLERATE:
- if (sdi) {
- devc = sdi->priv;
- *data = &devc->cur_samplerate;
- sr_spew("Returning samplerate: %" PRIu64 "Hz.",
- devc->cur_samplerate);
- } else
- return SR_ERR;
- break;
- default:
- return SR_ERR_ARG;
- }
-
- return SR_OK;
-}
-
-static int set_samplerate(struct dev_context *devc, uint64_t samplerate)
-{
- int i;
-
- for (i = 0; supported_samplerates[i]; i++)
- if (samplerate == supported_samplerates[i])
- break;
-
- if (!supported_samplerates[i] || samplerate > devc->max_samplerate) {
- sr_err("Unsupported samplerate.");
- return SR_ERR_ARG;
- }
-
- sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate);
-
- if (samplerate >= SR_MHZ(1))
- analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ);
- else if (samplerate >= SR_KHZ(1))
- analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ);
- else
- analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
-
- devc->cur_samplerate = samplerate;
-
- return SR_OK;
-}
-
-static int set_limit_samples(struct dev_context *devc, uint64_t samples)
-{
- devc->limit_samples = samples;
-
- if (samples <= 2 * 1024)
- devc->memory_size = MEMORY_SIZE_8K;
- else if (samples <= 16 * 1024)
- devc->memory_size = MEMORY_SIZE_64K;
- else if (samples <= 32 * 1024 ||
- devc->max_memory_size <= 32 * 1024)
- devc->memory_size = MEMORY_SIZE_128K;
- else
- devc->memory_size = MEMORY_SIZE_512K;
-
- sr_info("Setting memory size to %dK.",
- get_memory_size(devc->memory_size) / 1024);
-
- analyzer_set_memory_size(devc->memory_size);
-
- return SR_OK;
-}
-
-static int set_capture_ratio(struct dev_context *devc, uint64_t ratio)
-{
- if (ratio > 100) {
- sr_err("Invalid capture ratio: %" PRIu64 ".", ratio);
- return SR_ERR_ARG;
- }
-
- devc->capture_ratio = ratio;
-
- sr_info("Setting capture ratio to %d%%.", devc->capture_ratio);
-
- return SR_OK;
-}
-
-static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- if (!sdi) {
- sr_err("%s: sdi was NULL", __func__);
- return SR_ERR_ARG;
- }
-
- if (!(devc = sdi->priv)) {
- sr_err("%s: sdi->priv was NULL", __func__);
- return SR_ERR_ARG;
- }
-
- switch (id) {
- case SR_CONF_SAMPLERATE:
- return set_samplerate(devc, *(const uint64_t *)value);
- case SR_CONF_LIMIT_SAMPLES:
- return set_limit_samples(devc, *(const uint64_t *)value);
- case SR_CONF_CAPTURE_RATIO:
- return set_capture_ratio(devc, *(const uint64_t *)value);
- default:
- return SR_ERR;
- }
-}
-
-static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
-{
- (void)sdi;
-
- switch (key) {
- case SR_CONF_DEVICE_OPTIONS:
- *data = hwcaps;
- break;
- case SR_CONF_SAMPLERATE:
- *data = &samplerates;
- break;
- case SR_CONF_TRIGGER_TYPE:
- *data = TRIGGER_TYPE;
- break;
- default:
- return SR_ERR_ARG;
- }
-
- return SR_OK;
-}
-
-static void set_triggerbar(struct dev_context *devc)
-{
- unsigned int ramsize;
- unsigned int n;
- unsigned int triggerbar;
-
- ramsize = get_memory_size(devc->memory_size) / 4;
- if (devc->trigger) {
- n = ramsize;
- if (devc->max_memory_size < n)
- n = devc->max_memory_size;
- if (devc->limit_samples < n)
- n = devc->limit_samples;
- n = n * devc->capture_ratio / 100;
- if (n > ramsize - 8)
- triggerbar = ramsize - 8;
- else
- triggerbar = n;
- } else {
- triggerbar = 0;
- }
- analyzer_set_triggerbar_address(triggerbar);
- analyzer_set_ramsize_trigger_address(ramsize - triggerbar);
-
- sr_dbg("triggerbar_address = %d(0x%x)", triggerbar, triggerbar);
- sr_dbg("ramsize_triggerbar_address = %d(0x%x)",
- ramsize - triggerbar, ramsize - triggerbar);
-}
-
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
-{
- struct sr_datafeed_packet packet;
- struct sr_datafeed_logic logic;
- //uint64_t samples_read;
- int res;
- unsigned int packet_num;
- unsigned int n;
- unsigned char *buf;
- struct dev_context *devc;
-
- if (!(devc = sdi->priv)) {
- sr_err("%s: sdi->priv was NULL", __func__);
- return SR_ERR_ARG;
- }
-
- if (configure_probes(sdi) != SR_OK) {
- sr_err("Failed to configure probes.");
- return SR_ERR;
- }
-
- set_triggerbar(devc);
-
- /* push configured settings to device */
- analyzer_configure(devc->usb->devhdl);
-
- analyzer_start(devc->usb->devhdl);
- sr_info("Waiting for data.");
- analyzer_wait_data(devc->usb->devhdl);
-
- sr_info("Stop address = 0x%x.",
- analyzer_get_stop_address(devc->usb->devhdl));
- sr_info("Now address = 0x%x.",
- analyzer_get_now_address(devc->usb->devhdl));
- sr_info("Trigger address = 0x%x.",
- analyzer_get_trigger_address(devc->usb->devhdl));
-
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
-
- if (!(buf = g_try_malloc(PACKET_SIZE))) {
- sr_err("Packet buffer malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- //samples_read = 0;
- analyzer_read_start(devc->usb->devhdl);
- /* Send the incoming transfer to the session bus. */
- n = get_memory_size(devc->memory_size);
- if (devc->max_memory_size * 4 < n)
- n = devc->max_memory_size * 4;
- for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
- res = analyzer_read_data(devc->usb->devhdl, buf, PACKET_SIZE);
- sr_info("Tried to read %d bytes, actually read %d bytes.",
- PACKET_SIZE, res);
-
- packet.type = SR_DF_LOGIC;
- packet.payload = &logic;
- logic.length = PACKET_SIZE;
- logic.unitsize = 4;
- logic.data = buf;
- sr_session_send(cb_data, &packet);
- //samples_read += res / 4;
- }
- analyzer_read_stop(devc->usb->devhdl);
- g_free(buf);
-
- packet.type = SR_DF_END;
- sr_session_send(cb_data, &packet);
-
- 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)
-{
- struct sr_datafeed_packet packet;
- struct dev_context *devc;
-
- packet.type = SR_DF_END;
- sr_session_send(cb_data, &packet);
-
- if (!(devc = sdi->priv)) {
- sr_err("%s: sdi->priv was NULL", __func__);
- return SR_ERR_BUG;
- }
-
- analyzer_reset(devc->usb->devhdl);
- /* TODO: Need to cancel and free any queued up transfers. */
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = {
- .name = "zeroplus-logic-cube",
- .longname = "ZEROPLUS Logic Cube LAP-C series",
- .api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = hw_cleanup,
- .config_get = config_get,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
projects / libsigrok.git / commitdiff