+++ /dev/null
-/*
- * This file is part of the sigrok project.
- *
- * Copyright (C) 2010 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 "config.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include <inttypes.h>
-#include <glib.h>
-#include <libusb.h>
-#include <sigrok.h>
-#include <sigrok-internal.h>
-#include "analyzer.h"
-
-#define USB_VENDOR 0x0c12
-#define USB_VENDOR_NAME "Zeroplus"
-#define USB_MODEL_NAME "Logic Cube"
-#define USB_MODEL_VERSION ""
-
-#define USB_INTERFACE 0
-#define USB_CONFIGURATION 1
-#define NUM_TRIGGER_STAGES 4
-#define TRIGGER_TYPES "01"
-
-#define PACKET_SIZE 2048 /* ?? */
-
-typedef struct {
- unsigned short pid;
- char model_name[64];
- 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[] = {
- {0x7009, "LAP-C(16064)", 16, 64, 100},
- {0x700A, "LAP-C(16128)", 16, 128, 200},
- {0x700B, "LAP-C(32128)", 32, 128, 200},
- {0x700C, "LAP-C(321000)", 32, 1024, 200},
- {0x700D, "LAP-C(322000)", 32, 2048, 200},
- {0x700E, "LAP-C(16032)", 16, 32, 100},
- {0x7016, "LAP-C(162000)", 16, 2048, 200},
-};
-
-static int capabilities[] = {
- SR_HWCAP_LOGIC_ANALYZER,
- SR_HWCAP_SAMPLERATE,
- SR_HWCAP_PROBECONFIG,
- SR_HWCAP_CAPTURE_RATIO,
-
- /* These are really implemented in the driver, not the hardware. */
- SR_HWCAP_LIMIT_SAMPLES,
- 0,
-};
-
-/* List of struct sr_device_instance, maintained by opendev()/closedev(). */
-static GSList *device_instances = NULL;
-
-static libusb_context *usb_context = NULL;
-
-/*
- * 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 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 struct sr_samplerates samplerates = {
- SR_HZ(0),
- SR_HZ(0),
- SR_HZ(0),
- supported_samplerates,
-};
-
-/* TODO: All of these should go in a device-specific struct. */
-static uint64_t cur_samplerate = 0;
-static uint64_t limit_samples = 0;
-static int num_channels = 32; /* TODO: This isn't initialized before it's needed :( */
-static uint64_t memory_size = 0;
-static uint8_t probe_mask = 0;
-static uint8_t trigger_mask[NUM_TRIGGER_STAGES] = { 0 };
-static uint8_t trigger_value[NUM_TRIGGER_STAGES] = { 0 };
-
-// static uint8_t trigger_buffer[NUM_TRIGGER_STAGES] = { 0 };
-
-static int hw_set_configuration(int device_index, int capability, void *value);
-
-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;
-}
-
-static int opendev4(struct sr_device_instance **sdi, libusb_device *dev,
- struct libusb_device_descriptor *des)
-{
- unsigned int i;
- int err;
-
- if ((err = libusb_get_device_descriptor(dev, des))) {
- sr_warn("failed to get device descriptor: %d", err);
- return -1;
- }
-
- if (des->idVendor != USB_VENDOR)
- return 0;
-
- if (libusb_get_bus_number(dev) == (*sdi)->usb->bus
- && libusb_get_device_address(dev) == (*sdi)->usb->address) {
-
- for (i = 0; i < ARRAY_SIZE(zeroplus_models); i++) {
- if (!(des->idProduct == zeroplus_models[i].pid))
- continue;
-
- sr_info("Found PID=%04X (%s)", des->idProduct,
- zeroplus_models[i].model_name);
- num_channels = zeroplus_models[i].channels;
- memory_size = zeroplus_models[i].sample_depth * 1024;
- break;
- }
-
- if (num_channels == 0) {
- sr_warn("Unknown ZeroPlus device %04X", des->idProduct);
- return -2;
- }
-
- /* Found it. */
- if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
- (*sdi)->status = SR_ST_ACTIVE;
- sr_info("opened device %d on %d.%d interface %d",
- (*sdi)->index, (*sdi)->usb->bus,
- (*sdi)->usb->address, USB_INTERFACE);
- } else {
- sr_warn("failed to open device: %d", err);
- *sdi = NULL;
- }
- }
-
- return 0;
-}
-
-static struct sr_device_instance *zp_open_device(int device_index)
-{
- struct sr_device_instance *sdi;
- libusb_device **devlist;
- struct libusb_device_descriptor des;
- int err, i;
-
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return NULL;
-
- libusb_get_device_list(usb_context, &devlist);
- if (sdi->status == SR_ST_INACTIVE) {
- /* Find the device by vendor, product, bus and address. */
- libusb_get_device_list(usb_context, &devlist);
- for (i = 0; devlist[i]; i++) {
- /* TODO: Error handling. */
- err = opendev4(&sdi, devlist[i], &des);
- }
- } else {
- /* Status must be SR_ST_ACTIVE, i.e. already in use... */
- sdi = NULL;
- }
- libusb_free_device_list(devlist, 1);
-
- if (sdi && sdi->status != SR_ST_ACTIVE)
- sdi = NULL;
-
- return sdi;
-}
-
-static void close_device(struct sr_device_instance *sdi)
-{
- if (!sdi->usb->devhdl)
- return;
-
- sr_info("closing device %d on %d.%d interface %d", sdi->index,
- sdi->usb->bus, sdi->usb->address, USB_INTERFACE);
- libusb_release_interface(sdi->usb->devhdl, USB_INTERFACE);
- libusb_close(sdi->usb->devhdl);
- sdi->usb->devhdl = NULL;
- sdi->status = SR_ST_INACTIVE;
-}
-
-static int configure_probes(GSList *probes)
-{
- struct sr_probe *probe;
- GSList *l;
- int probe_bit, stage, i;
- char *tc;
-
- probe_mask = 0;
- for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
- trigger_mask[i] = 0;
- trigger_value[i] = 0;
- }
-
- stage = -1;
- for (l = probes; l; l = l->next) {
- probe = (struct sr_probe *)l->data;
- if (probe->enabled == FALSE)
- continue;
- probe_bit = 1 << (probe->index - 1);
- probe_mask |= probe_bit;
-
- if (probe->trigger) {
- stage = 0;
- for (tc = probe->trigger; *tc; tc++) {
- trigger_mask[stage] |= probe_bit;
- if (*tc == '1')
- trigger_value[stage] |= probe_bit;
- stage++;
- if (stage > NUM_TRIGGER_STAGES)
- return SR_ERR;
- }
- }
- }
-
- return SR_OK;
-}
-
-/*
- * API callbacks
- */
-
-static int hw_init(const char *deviceinfo)
-{
- struct sr_device_instance *sdi;
- struct libusb_device_descriptor des;
- libusb_device **devlist;
- int err, devcnt, i;
-
- /* Avoid compiler warnings. */
- deviceinfo = deviceinfo;
-
- if (libusb_init(&usb_context) != 0) {
- sr_warn("Failed to initialize USB.");
- return 0;
- }
-
- /* Find all ZeroPlus analyzers and add them to device list. */
- devcnt = 0;
- libusb_get_device_list(usb_context, &devlist);
-
- for (i = 0; devlist[i]; i++) {
- err = libusb_get_device_descriptor(devlist[i], &des);
- if (err != 0) {
- sr_warn("failed to get device descriptor: %d", err);
- continue;
- }
-
- if (des.idVendor == USB_VENDOR) {
- /*
- * Definitely a Zeroplus.
- * TODO: Any way to detect specific model/version in
- * the zeroplus range?
- */
- sdi = sr_device_instance_new(devcnt,
- SR_ST_INACTIVE, USB_VENDOR_NAME,
- USB_MODEL_NAME, USB_MODEL_VERSION);
- if (!sdi)
- return 0;
- device_instances =
- g_slist_append(device_instances, sdi);
- sdi->usb = sr_usb_device_instance_new(
- libusb_get_bus_number(devlist[i]),
- libusb_get_device_address(devlist[i]), NULL);
- devcnt++;
- }
- }
- libusb_free_device_list(devlist, 1);
-
- return devcnt;
-}
-
-static int hw_opendev(int device_index)
-{
- struct sr_device_instance *sdi;
- int err;
-
- if (!(sdi = zp_open_device(device_index))) {
- sr_warn("unable to open device");
- return SR_ERR;
- }
-
- err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE);
- if (err != 0) {
- sr_warn("Unable to claim interface: %d", err);
- return SR_ERR;
- }
- analyzer_reset(sdi->usb->devhdl);
- analyzer_initialize(sdi->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);
- analyzer_set_ramsize_trigger_address(
- (100 * get_memory_size(MEMORY_SIZE_512K) / 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 (cur_samplerate == 0) {
- /* Samplerate hasn't been set. Default to the slowest one. */
- if (hw_set_configuration(device_index, SR_HWCAP_SAMPLERATE,
- &samplerates.low) == SR_ERR)
- return SR_ERR;
- }
-
- return SR_OK;
-}
-
-static int hw_closedev(int device_index)
-{
- struct sr_device_instance *sdi;
-
- if (!(sdi = sr_get_device_instance(device_instances, device_index))) {
- sr_err("lap-c: %s: sdi was NULL", __func__);
- return SR_ERR; /* TODO: SR_ERR_ARG? */
- }
-
- /* TODO */
- close_device(sdi);
-
- return SR_OK;
-}
-
-static void hw_cleanup(void)
-{
- GSList *l;
-
- /* Properly close all devices... */
- for (l = device_instances; l; l = l->next)
- close_device((struct sr_device_instance *)l->data);
-
- /* ...and free all their memory. */
- for (l = device_instances; l; l = l->next)
- g_free(l->data);
- g_slist_free(device_instances);
- device_instances = NULL;
-
- if (usb_context)
- libusb_exit(usb_context);
- usb_context = NULL;
-}
-
-static void *hw_get_device_info(int device_index, int device_info_id)
-{
- struct sr_device_instance *sdi;
- void *info = NULL;
-
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return NULL;
-
- switch (device_info_id) {
- case SR_DI_INSTANCE:
- info = sdi;
- break;
- case SR_DI_NUM_PROBES:
- info = GINT_TO_POINTER(num_channels);
- break;
- case SR_DI_SAMPLERATES:
- info = &samplerates;
- break;
- case SR_DI_TRIGGER_TYPES:
- info = TRIGGER_TYPES;
- break;
- case SR_DI_CUR_SAMPLERATE:
- info = &cur_samplerate;
- break;
- }
-
- return info;
-}
-
-static int hw_get_status(int device_index)
-{
- struct sr_device_instance *sdi;
-
- sdi = sr_get_device_instance(device_instances, device_index);
- if (sdi)
- return sdi->status;
- else
- return SR_ST_NOT_FOUND;
-}
-
-static int *hw_get_capabilities(void)
-{
- return capabilities;
-}
-
-/* TODO: This will set the same samplerate for all devices. */
-static int set_configuration_samplerate(uint64_t samplerate)
-{
- sr_info("%s(%" PRIu64 ")", __FUNCTION__, 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);
-
- cur_samplerate = samplerate;
-
- return SR_OK;
-}
-
-static int hw_set_configuration(int device_index, int capability, void *value)
-{
- struct sr_device_instance *sdi;
- uint64_t *tmp_u64;
-
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return SR_ERR;
-
- switch (capability) {
- case SR_HWCAP_SAMPLERATE:
- tmp_u64 = value;
- return set_configuration_samplerate(*tmp_u64);
- case SR_HWCAP_PROBECONFIG:
- return configure_probes((GSList *) value);
- case SR_HWCAP_LIMIT_SAMPLES:
- tmp_u64 = value;
- limit_samples = *tmp_u64;
- return SR_OK;
- default:
- return SR_ERR;
- }
-}
-
-static int hw_start_acquisition(int device_index, gpointer session_device_id)
-{
- struct sr_device_instance *sdi;
- struct sr_datafeed_packet packet;
- struct sr_datafeed_header header;
- int res;
- unsigned int packet_num;
- unsigned char *buf;
-
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return SR_ERR;
-
- /* push configured settings to device */
- analyzer_configure(sdi->usb->devhdl);
-
- analyzer_start(sdi->usb->devhdl);
- sr_info("Waiting for data");
- analyzer_wait_data(sdi->usb->devhdl);
-
- sr_info("Stop address = 0x%x",
- analyzer_get_stop_address(sdi->usb->devhdl));
- sr_info("Now address = 0x%x",
- analyzer_get_now_address(sdi->usb->devhdl));
- sr_info("Trigger address = 0x%x",
- analyzer_get_trigger_address(sdi->usb->devhdl));
-
- packet.type = SR_DF_HEADER;
- packet.length = sizeof(struct sr_datafeed_header);
- packet.payload = (unsigned char *)&header;
- header.feed_version = 1;
- gettimeofday(&header.starttime, NULL);
- header.samplerate = cur_samplerate;
- header.protocol_id = SR_PROTO_RAW;
- header.num_logic_probes = num_channels;
- header.num_analog_probes = 0;
- sr_session_bus(session_device_id, &packet);
-
- if (!(buf = g_try_malloc(PACKET_SIZE))) {
- sr_err("lap-c: %s: buf malloc failed", __func__);
- return SR_ERR_MALLOC;
- }
-
- analyzer_read_start(sdi->usb->devhdl);
- /* Send the incoming transfer to the session bus. */
- for (packet_num = 0; packet_num < (memory_size * 4 / PACKET_SIZE);
- packet_num++) {
- res = analyzer_read_data(sdi->usb->devhdl, buf, PACKET_SIZE);
-#if 0
- sr_info("Tried to read %llx bytes, actually read %x bytes",
- PACKET_SIZE, res);
-#endif
-
- packet.type = SR_DF_LOGIC;
- packet.length = PACKET_SIZE;
- packet.unitsize = 4;
- packet.payload = buf;
- sr_session_bus(session_device_id, &packet);
- }
- analyzer_read_stop(sdi->usb->devhdl);
- g_free(buf);
-
- packet.type = SR_DF_END;
- sr_session_bus(session_device_id, &packet);
-
- return SR_OK;
-}
-
-/* This stops acquisition on ALL devices, ignoring device_index. */
-static void hw_stop_acquisition(int device_index, gpointer session_device_id)
-{
- struct sr_datafeed_packet packet;
- struct sr_device_instance *sdi;
-
- packet.type = SR_DF_END;
- sr_session_bus(session_device_id, &packet);
-
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return; /* TODO: Cry? */
-
- analyzer_reset(sdi->usb->devhdl);
- /* TODO: Need to cancel and free any queued up transfers. */
-}
-
-struct sr_device_plugin zeroplus_logic_cube_plugin_info = {
- .name = "zeroplus-logic-cube",
- .longname = "Zeroplus Logic Cube LAP-C series",
- .api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .opendev = hw_opendev,
- .closedev = hw_closedev,
- .get_device_info = hw_get_device_info,
- .get_status = hw_get_status,
- .get_capabilities = hw_get_capabilities,
- .set_configuration = hw_set_configuration,
- .start_acquisition = hw_start_acquisition,
- .stop_acquisition = hw_stop_acquisition,
-};
projects / libsigrok.git / blobdiff