/* * This file is part of the libsigrok project. * * Copyright (C) 2012 Bert Vermeulen * * 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 #include #include "libsigrok.h" #include "libsigrok-internal.h" #include "protocol.h" #define OSCI_VENDOR "Nexus Computing" #define OSCI_MODEL "OsciPrime" #define OSCI_VERSION "1.0" #define OSCI_FIRMWARE FIRMWARE_DIR "/nexus-osciprime.fw" #define OSCI_VIDPID "04b4.1004" static const int32_t hwopts[] = { SR_CONF_CONN, SR_CONF_SERIALCOMM, }; static const int32_t hwcaps[] = { SR_CONF_OSCILLOSCOPE, SR_CONF_LIMIT_SAMPLES, SR_CONF_CONTINUOUS, SR_CONF_TIMEBASE, SR_CONF_VDIV, }; static const struct sr_rational timebases[] = { /* 24 MHz */ { 42, 1e9 }, /* 12 MHz */ { 83, 1e9 }, /* 6 MHz */ { 167, 1e9 }, /* 3 MHz */ { 333, 1e9 }, /* 1.5 MHz */ { 667, 1e9 }, /* 750 kHz */ { 1333, 1e9 }, /* 375 kHz */ { 2667, 1e9 }, /* 187.5 kHz */ { 5333, 1e9 }, /* 93.25 kHz */ { 10724, 1e9 }, /* 46.875 kHz */ { 21333, 1e9 }, /* 23.4375 kHz */ { 42666, 1e9 }, /* 11.718 kHz */ { 85339, 1e9 }, /* 5.859 kHz */ { 170678, 1e9 }, /* 2.929 kHz */ { 341413, 1e9 }, /* 1.465 kHz */ { 682594, 1e9 }, /* 732 Hz */ { 1366, 1e6 }, /* 366 Hz */ { 2732, 1e6 }, /* 183 Hz */ { 5464, 1e6 }, /* 91 Hz */ { 10989, 1e6 }, /* 46 Hz */ { 21739, 1e6 }, /* 23 Hz */ { 43478, 1e6 }, /* 12 Hz */ { 83333, 1e6 }, }; static const char *probe_names[] = { "CHA", "CHB", NULL, }; static const struct sr_rational vdivs[] = { { 1, 1 }, { 2, 1 }, { 5, 2 }, { 5, 1 }, { 10, 1 }, }; SR_PRIV struct sr_dev_driver nexus_osciprime_driver_info; static struct sr_dev_driver *di = &nexus_osciprime_driver_info; static int hw_dev_close(struct sr_dev_inst *sdi); /* Properly close and free all devices. */ static int clear_instances(void) { struct sr_dev_inst *sdi; struct drv_context *drvc; struct dev_context *devc; GSList *l; if (!(drvc = di->priv)) return SR_OK; for (l = drvc->instances; l; l = l->next) { if (!(sdi = l->data)) continue; if (!(devc = sdi->priv)) continue; hw_dev_close(sdi); sr_usb_dev_inst_free(devc->usb); 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, DRIVER_LOG_DOMAIN); } static GSList *hw_scan(GSList *options) { struct drv_context *drvc; struct dev_context *devc; struct sr_dev_inst *sdi; struct sr_usb_dev_inst *usb; struct sr_config *src; struct sr_probe *probe; libusb_device *dev; GSList *usb_devices, *devices, *l; int i; const char *conn; (void)options; drvc = di->priv; /* USB scan is always authoritative. */ clear_instances(); conn = NULL; 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; } } if (!conn) conn = OSCI_VIDPID; devices = NULL; if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) { for (l = usb_devices; l; l = l->next) { usb = l->data; if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, OSCI_VENDOR, OSCI_MODEL, OSCI_VERSION))) return NULL; sdi->driver = di; for (i = 0; probe_names[i]; i++) { if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE, probe_names[i]))) return NULL; sdi->probes = g_slist_append(sdi->probes, probe); } if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) return NULL; sdi->priv = devc; devc->usb = usb; if (strcmp(conn, OSCI_VIDPID)) { if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK) break; dev = libusb_get_device(usb->devhdl); if (ezusb_upload_firmware(dev, 0, OSCI_FIRMWARE) == SR_OK) /* Remember when the firmware on this device was updated */ devc->fw_updated = g_get_monotonic_time(); else sr_err("Firmware upload failed for device " "at bus %d address %d.", usb->bus, usb->address); } drvc->instances = g_slist_append(drvc->instances, sdi); devices = g_slist_append(devices, sdi); } g_slist_free(usb_devices); } else g_slist_free_full(usb_devices, g_free); 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) { /* TODO */ (void)sdi; return SR_OK; } static int hw_dev_close(struct sr_dev_inst *sdi) { /* TODO */ (void)sdi; return SR_OK; } static int hw_cleanup(void) { clear_instances(); /* TODO */ return SR_OK; } static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) { int ret; /* TODO */ (void)data; if (sdi->status != SR_ST_ACTIVE) { sr_err("Device inactive, can't set config options."); return SR_ERR; } ret = SR_OK; switch (id) { default: ret = SR_ERR_NA; } return ret; } static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) { (void)sdi; (void)data; switch (key) { default: return SR_ERR_NA; } return SR_OK; } static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) { /* TODO */ (void)sdi; (void)cb_data; return SR_OK; } static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) { (void)cb_data; if (sdi->status != SR_ST_ACTIVE) { sr_err("Device inactive, can't stop acquisition."); return SR_ERR; } /* TODO */ return SR_OK; } SR_PRIV struct sr_dev_driver nexus_osciprime_driver_info = { .name = "nexus-osciprime", .longname = "Nexus OsciPrime", .api_version = 1, .init = hw_init, .cleanup = hw_cleanup, .scan = hw_scan, .dev_list = hw_dev_list, .dev_clear = clear_instances, .config_get = NULL, .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, };