X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Flink-mso19%2Fapi.c;fp=hardware%2Flink-mso19%2Fapi.c;h=0000000000000000000000000000000000000000;hb=155b680da482cea2381becb73c51cfb838bff31e;hp=13c2972001a506627ea325f1c35467606d751a14;hpb=43cd4637285833706f8a404ca027bcf0ee75b9ae;p=libsigrok.git diff --git a/hardware/link-mso19/api.c b/hardware/link-mso19/api.c deleted file mode 100644 index 13c29720..00000000 --- a/hardware/link-mso19/api.c +++ /dev/null @@ -1,497 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2011 Daniel Ribeiro - * Copyright (C) 2012 Renato Caldas - * Copyright (C) 2013 Lior Elazary - * - * 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 . - */ - -#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, -};