+++ /dev/null
-/*
- * This file is part of the sigrok project.
- *
- * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com>
- * Copyright (C) 2012 Renato Caldas <rmsc@fe.up.pt>
- * Copyright (C) 2013 Lior Elazary <lelazary@yahoo.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"
-
-static const int hwcaps[] = {
- SR_CONF_LOGIC_ANALYZER,
- SR_CONF_SAMPLERATE,
- SR_CONF_TRIGGER_SLOPE,
- SR_CONF_HORIZ_TRIGGERPOS,
-// SR_CONF_CAPTURE_RATIO,
- SR_CONF_LIMIT_SAMPLES,
-// SR_CONF_RLE,
- 0,
-};
-
-/*
- * Probes are numbered 0 to 7.
- *
- * See also: http://www.linkinstruments.com/images/mso19_1113.gif
- */
-SR_PRIV const char *mso19_probe_names[NUM_PROBES + 1] = {
- "0", "1", "2", "3", "4", "5", "6", "7", NULL
-};
-
-/*supported samplerates */
-static const struct sr_samplerates samplerates = {
- SR_HZ(100),
- SR_MHZ(200),
- SR_HZ(100),
- NULL,
-};
-
-SR_PRIV struct sr_dev_driver link_mso19_driver_info;
-static struct sr_dev_driver *di = &link_mso19_driver_info;
-
-static int hw_init(struct sr_context *sr_ctx)
-{
- struct drv_context *drvc;
-
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("Driver context malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- drvc->sr_ctx = sr_ctx;
- di->priv = drvc;
-
- return SR_OK;
-}
-
-static GSList *hw_scan(GSList *options)
-{
- int i;
- GSList *devices = NULL;
- const char *conn = NULL;
- const char *serialcomm = NULL;
- GSList *l;
- struct sr_config *src;
- struct udev *udev;
-
- (void)options;
-
- for (l = options; l; l = l->next) {
- src = l->data;
- switch (src->key) {
- case SR_CONF_CONN:
- conn = src->value;
- break;
- case SR_CONF_SERIALCOMM:
- serialcomm = src->value;
- break;
- }
- }
- if (!conn)
- conn = SERIALCONN;
- if (serialcomm == NULL)
- serialcomm = SERIALCOMM;
-
- udev = udev_new();
- if (!udev) {
- sr_err("Failed to initialize udev.");
- }
-
- struct udev_enumerate *enumerate = udev_enumerate_new(udev);
- udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
- udev_enumerate_scan_devices(enumerate);
- struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
- struct udev_list_entry *dev_list_entry;
- for (dev_list_entry = devs;
- dev_list_entry != NULL;
- dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
- const char *syspath = udev_list_entry_get_name(dev_list_entry);
- struct udev_device *dev =
- udev_device_new_from_syspath(udev, syspath);
- const char *sysname = udev_device_get_sysname(dev);
- struct udev_device *parent =
- udev_device_get_parent_with_subsystem_devtype(dev, "usb",
- "usb_device");
-
- if (!parent) {
- sr_err("Unable to find parent usb device for %s",
- sysname);
- continue;
- }
-
- const char *idVendor =
- udev_device_get_sysattr_value(parent, "idVendor");
- const char *idProduct =
- udev_device_get_sysattr_value(parent, "idProduct");
- if (strcmp(USB_VENDOR, idVendor)
- || strcmp(USB_PRODUCT, idProduct))
- continue;
-
- const char *iSerial =
- udev_device_get_sysattr_value(parent, "serial");
- const char *iProduct =
- udev_device_get_sysattr_value(parent, "product");
-
- char path[32];
- snprintf(path, sizeof(path), "/dev/%s", sysname);
- conn = path;
-
- size_t s = strcspn(iProduct, " ");
- char product[32];
- char manufacturer[32];
- if (s > sizeof(product) ||
- strlen(iProduct) - s > sizeof(manufacturer)) {
- sr_err("Could not parse iProduct: %s.", iProduct);
- continue;
- }
- strncpy(product, iProduct, s);
- product[s] = 0;
- strcpy(manufacturer, iProduct + s + 1);
-
- //Create the device context and set its params
- struct dev_context *devc;
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_err("Device context malloc failed.");
- return devices;
- }
-
- if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
- sr_err("Invalid iSerial: %s.", iSerial);
- g_free(devc);
- return devices;
- }
-
- char hwrev[32];
- sprintf(hwrev, "r%d", devc->hwrev);
- devc->ctlbase1 = 0;
- devc->protocol_trigger.spimode = 0;
- for (i = 0; i < 4; i++) {
- devc->protocol_trigger.word[i] = 0;
- devc->protocol_trigger.mask[i] = 0xff;
- }
-
- if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) {
- g_free(devc);
- return devices;
- }
-
- struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
- manufacturer, product, hwrev);
-
- if (!sdi) {
- sr_err("Unable to create device instance for %s",
- sysname);
- sr_dev_inst_free(sdi);
- g_free(devc);
- return devices;
- }
-
- sdi->driver = di;
- sdi->priv = devc;
-
- for (i = 0; i < NUM_PROBES; i++) {
- struct sr_probe *probe;
- if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
- mso19_probe_names[i])))
- return 0;
- sdi->probes = g_slist_append(sdi->probes, probe);
- }
-
- //Add the driver
- struct drv_context *drvc = di->priv;
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devices = g_slist_append(devices, sdi);
- }
-
- return devices;
-}
-
-static GSList *hw_dev_list(void)
-{
- struct drv_context *drvc;
-
- drvc = di->priv;
-
- return drvc->instances;
-}
-
-static int hw_dev_open(struct sr_dev_inst *sdi)
-{
- int ret;
- struct dev_context *devc;
-
- devc = sdi->priv;
-
- if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
- return SR_ERR;
-
- sdi->status = SR_ST_ACTIVE;
-
- /* FIXME: discard serial buffer */
- mso_check_trigger(devc->serial, &devc->trigger_state);
- sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
-
- ret = mso_reset_adc(sdi);
- if (ret != SR_OK)
- return ret;
-
- mso_check_trigger(devc->serial, &devc->trigger_state);
- sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
-
- // ret = mso_reset_fsm(sdi);
- // if (ret != SR_OK)
- // return ret;
- // return SR_ERR;
-
- return SR_OK;
-}
-
-static int hw_dev_close(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- devc = sdi->priv;
-
- if (devc->serial && devc->serial->fd != -1) {
- serial_close(devc->serial);
- sdi->status = SR_ST_INACTIVE;
- }
-
- return SR_OK;
-}
-
-static int hw_cleanup(void)
-{
- GSList *l;
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
- int ret = SR_OK;
-
- if (!(drvc = di->priv))
- return SR_OK;
-
- /* Properly close and free all devices. */
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("%s: sdi was NULL, continuing", __func__);
- ret = SR_ERR_BUG;
- continue;
- }
- if (!(devc = sdi->priv)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("%s: sdi->priv was NULL, continuing", __func__);
- ret = SR_ERR_BUG;
- continue;
- }
- hw_dev_close(sdi);
- sr_serial_dev_inst_free(devc->serial);
- sr_dev_inst_free(sdi);
- }
- g_slist_free(drvc->instances);
- drvc->instances = NULL;
-
- return ret;
-}
-
-static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- switch (id) {
- case SR_DI_HWCAPS:
- *data = hwcaps;
- break;
- case SR_DI_SAMPLERATES:
- *data = &samplerates;
- break;
- case SR_DI_TRIGGER_TYPES:
- *data = (char *)TRIGGER_TYPES;
- break;
- case SR_DI_CUR_SAMPLERATE:
- if (sdi) {
- devc = sdi->priv;
- *data = &devc->cur_rate;
- } 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)
-{
- int ret;
- struct dev_context *devc;
- uint64_t num_samples, slope;
- int trigger_pos;
- float pos;
-
- devc = sdi->priv;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
-
- switch (id) {
- case SR_CONF_SAMPLERATE:
- // FIXME
- return mso_configure_rate(sdi, *(const uint64_t *)value);
- ret = SR_OK;
- break;
- case SR_CONF_LIMIT_SAMPLES:
- num_samples = *(uint64_t *)value;
- if (num_samples < 1024) {
- sr_err("minimum of 1024 samples required");
- ret = SR_ERR_ARG;
- } else {
- devc->limit_samples = num_samples;
- sr_dbg("setting limit_samples to %i\n",
- num_samples);
- ret = SR_OK;
- }
- break;
- case SR_CONF_CAPTURE_RATIO:
- ret = SR_OK;
- break;
- case SR_CONF_TRIGGER_SLOPE:
- slope = *(uint64_t *)value;
- if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) {
- sr_err("Invalid trigger slope");
- ret = SR_ERR_ARG;
- } else {
- devc->trigger_slope = slope;
- ret = SR_OK;
- }
- break;
- case SR_CONF_HORIZ_TRIGGERPOS:
- pos = *(float *)value;
- if (pos < 0 || pos > 255) {
- sr_err("Trigger position (%f) should be between 0 and 255.", pos);
- ret = SR_ERR_ARG;
- } else {
- trigger_pos = (int)pos;
- devc->trigger_holdoff[0] = trigger_pos & 0xff;
- ret = SR_OK;
- }
- break;
- case SR_CONF_RLE:
- ret = SR_OK;
- break;
- default:
- ret = SR_ERR;
- break;
- }
-
- return ret;
-}
-
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
-{
- struct sr_datafeed_packet *packet;
- struct sr_datafeed_header *header;
- struct dev_context *devc;
- int ret = SR_ERR;
-
- devc = sdi->priv;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
-
- if (mso_configure_probes(sdi) != SR_OK) {
- sr_err("Failed to configure probes.");
- return SR_ERR;
- }
-
- /* FIXME: No need to do full reconfigure every time */
-// ret = mso_reset_fsm(sdi);
-// if (ret != SR_OK)
-// return ret;
-
- /* FIXME: ACDC Mode */
- devc->ctlbase1 &= 0x7f;
-// devc->ctlbase1 |= devc->acdcmode;
-
- ret = mso_configure_rate(sdi, devc->cur_rate);
- if (ret != SR_OK)
- return ret;
-
- /* set dac offset */
- ret = mso_dac_out(sdi, devc->dac_offset);
- if (ret != SR_OK)
- return ret;
-
- ret = mso_configure_threshold_level(sdi);
- if (ret != SR_OK)
- return ret;
-
- ret = mso_configure_trigger(sdi);
- if (ret != SR_OK)
- return ret;
-
- /* END of config hardware part */
- ret = mso_arm(sdi);
- if (ret != SR_OK)
- return ret;
-
- /* Start acquisition on the device. */
- mso_check_trigger(devc->serial, &devc->trigger_state);
- ret = mso_check_trigger(devc->serial, NULL);
- if (ret != SR_OK)
- return ret;
-
- sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);
-
- if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
- sr_err("Datafeed packet malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) {
- sr_err("Datafeed header malloc failed.");
- g_free(packet);
- return SR_ERR_MALLOC;
- }
-
- packet->type = SR_DF_HEADER;
- packet->payload = (unsigned char *)header;
- header->feed_version = 1;
- gettimeofday(&header->starttime, NULL);
- sr_session_send(cb_data, packet);
-
- g_free(header);
- g_free(packet);
-
- return SR_OK;
-}
-
-/* This stops acquisition on ALL devices, ignoring dev_index. */
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
- (void)cb_data;
-
- stop_acquisition(sdi);
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
- .name = "link-mso19",
- .longname = "Link Instruments MSO-19",
- .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,
- .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 / blobdiff