+++ /dev/null
-/*
- * This file is part of the libsigrok 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 int32_t hwcaps[] = {
- SR_CONF_OSCILLOSCOPE,
- SR_CONF_LOGIC_ANALYZER,
- SR_CONF_SAMPLERATE,
- SR_CONF_TRIGGER_TYPE,
- SR_CONF_TRIGGER_SLOPE,
- SR_CONF_HORIZ_TRIGGERPOS,
-// SR_CONF_CAPTURE_RATIO,
- SR_CONF_LIMIT_SAMPLES,
-// SR_CONF_RLE,
-};
-
-/*
- * Channels are numbered 0 to 7.
- *
- * See also: http://www.linkinstruments.com/images/mso19_1113.gif
- */
-SR_PRIV const char *mso19_channel_names[NUM_CHANNELS + 1] = {
- /* Note: DSO needs to be first. */
- "DSO", "0", "1", "2", "3", "4", "5", "6", "7", NULL,
-};
-
-static const uint64_t samplerates[] = {
- SR_HZ(100),
- SR_MHZ(200),
- SR_HZ(100),
-};
-
-SR_PRIV struct sr_dev_driver link_mso19_driver_info;
-static struct sr_dev_driver *di = &link_mso19_driver_info;
-
-/* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */
-static int dev_clear(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;
- }
- std_serial_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 init(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static GSList *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;
- int chtype;
-
- for (l = options; l; l = l->next) {
- src = l->data;
- switch (src->key) {
- case SR_CONF_CONN:
- conn = g_variant_get_string(src->data, NULL);
- break;
- case SR_CONF_SERIALCOMM:
- serialcomm = g_variant_get_string(src->data, NULL);
- 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_CHANNELS; i++) {
- struct sr_channel *ch;
- chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
- if (!(ch = sr_channel_new(i, chtype, TRUE,
- mso19_channel_names[i])))
- return 0;
- sdi->channels = g_slist_append(sdi->channels, ch);
- }
-
- //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 *dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
-static int 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 cleanup(void)
-{
- return dev_clear();
-}
-
-static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- struct dev_context *devc;
-
- (void)cg;
-
- switch (id) {
- case SR_CONF_SAMPLERATE:
- if (sdi) {
- devc = sdi->priv;
- *data = g_variant_new_uint64(devc->cur_rate);
- } else
- return SR_ERR;
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
-
-static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- int ret;
- struct dev_context *devc;
- uint64_t num_samples;
- const char *slope;
- int trigger_pos;
- double pos;
-
- (void)cg;
- devc = sdi->priv;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- switch (id) {
- case SR_CONF_SAMPLERATE:
- // FIXME
- return mso_configure_rate(sdi, g_variant_get_uint64(data));
- ret = SR_OK;
- break;
- case SR_CONF_LIMIT_SAMPLES:
- num_samples = g_variant_get_uint64(data);
- if (num_samples != 1024) {
- sr_err("Only 1024 samples are supported.");
- 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 = g_variant_get_string(data, NULL);
-
- if (!slope || !(slope[0] == 'f' || slope[0] == 'r'))
- sr_err("Invalid trigger slope");
- ret = SR_ERR_ARG;
- } else {
- devc->trigger_slope = (slope[0] == 'r')
- ? SLOPE_POSITIVE : SLOPE_NEGATIVE;
- ret = SR_OK;
- }
- break;
- case SR_CONF_HORIZ_TRIGGERPOS:
- pos = g_variant_get_double(data);
- 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_NA;
- break;
- }
-
- return ret;
-}
-
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- GVariant *gvar;
- GVariantBuilder gvb;
-
- (void)cg;
- (void)sdi;
-
- switch (key) {
- case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
- break;
- case SR_CONF_SAMPLERATE:
- g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
- gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
- ARRAY_SIZE(samplerates), sizeof(uint64_t));
- g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
- *data = g_variant_builder_end(&gvb);
- break;
- case SR_CONF_TRIGGER_TYPE:
- *data = g_variant_new_string(TRIGGER_TYPE);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
-
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
-{
- struct dev_context *devc;
- int ret = SR_ERR;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- devc = sdi->priv;
-
- if (mso_configure_channels(sdi) != SR_OK) {
- sr_err("Failed to configure channels.");
- 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;
-
- /* Reset trigger state. */
- devc->trigger_state = 0x00;
-
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
-
- /* Our first channel is analog, the other 8 are of type 'logic'. */
- /* TODO. */
-
- serial_source_add(sdi->session, devc->serial, G_IO_IN, -1,
- mso_receive_data, cb_data);
-
- return SR_OK;
-}
-
-/* This stops acquisition on ALL devices, ignoring dev_index. */
-static int 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 = init,
- .cleanup = cleanup,
- .scan = scan,
- .dev_list = dev_list,
- .dev_clear = dev_clear,
- .config_get = config_get,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = dev_open,
- .dev_close = std_serial_dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
-};
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