/*
* This file is part of the sigrok project.
*
- * Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2010-2012 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
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <sys/time.h>
#include <inttypes.h>
#include <glib.h>
#include <libusb.h>
-#include "config.h"
-#include "sigrok.h"
+#include "libsigrok.h"
+#include "libsigrok-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_VENDOR 0x0c12
+#define VENDOR_NAME "ZEROPLUS"
+#define MODEL_NAME "Logic Cube LAP-C"
+#define MODEL_VERSION NULL
+
+#define NUM_PROBES 16
#define USB_INTERFACE 0
#define USB_CONFIGURATION 1
#define NUM_TRIGGER_STAGES 4
#define TRIGGER_TYPES "01"
-#define PACKET_SIZE 2048 // ??
+#define PACKET_SIZE 2048 /* ?? */
+
+//#define ZP_EXPERIMENTAL
typedef struct {
+ unsigned short vid;
unsigned short pid;
- char model_name[64];
+ char *model_name;
unsigned int channels;
- unsigned int sample_depth; // in Ksamples/channel
+ 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 */
-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},
+/*
+ * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the
+ * same 128K sample depth.
+ */
+static model_t zeroplus_models[] = {
+ {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100},
+ {0x0c12, 0x700A, "LAP-C(16128)", 16, 128, 200},
+ /* TODO: we don't know anything about these
+ {0x0c12, 0x700B, "LAP-C(32128)", 32, 128, 200},
+ {0x0c12, 0x700C, "LAP-C(321000)", 32, 1024, 200},
+ {0x0c12, 0x700D, "LAP-C(322000)", 32, 2048, 200},
+ */
+ {0x0c12, 0x700E, "LAP-C(16032)", 16, 32, 100},
+ {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200},
+ { 0, 0, 0, 0, 0, 0 }
};
-static int capabilities[] = {
- HWCAP_LOGIC_ANALYZER,
- HWCAP_SAMPLERATE,
- HWCAP_PROBECONFIG,
- HWCAP_CAPTURE_RATIO,
- /* these are really implemented in the driver, not the hardware */
+static const int hwcaps[] = {
+ SR_HWCAP_LOGIC_ANALYZER,
+ SR_HWCAP_SAMPLERATE,
+ SR_HWCAP_CAPTURE_RATIO,
- HWCAP_LIMIT_SAMPLES,
- 0
+ /* These are really implemented in the driver, not the hardware. */
+ SR_HWCAP_LIMIT_SAMPLES,
+ 0,
};
-/* list of struct sigrok_device_instance, maintained by opendev() and 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 */
-
-// XXX we shouldn't support 150MHz and 200MHz on devices that don't go up that high
-static uint64_t supported_samplerates[] = {
- 100,
- 500,
- KHZ(1),
- KHZ(5),
- KHZ(25),
- KHZ(50),
- KHZ(100),
- KHZ(200),
- KHZ(400),
- KHZ(800),
- MHZ(1),
- MHZ(10),
- MHZ(25),
- MHZ(50),
- MHZ(80),
- MHZ(100),
- MHZ(150),
- MHZ(200),
- 0
+/*
+ * ZEROPLUS LAP-C (16032) numbers the 16 probes A0-A7 and B0-B7.
+ * We currently ignore other untested/unsupported devices here.
+ */
+static const char *probe_names[NUM_PROBES + 1] = {
+ "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
+ "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
+ NULL,
};
-static struct samplerates samplerates = {
- 0,0,0,
- supported_samplerates
+/* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */
+SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info;
+static struct sr_dev_driver *di = &zeroplus_logic_cube_driver_info;
+
+/*
+ * 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 const 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,
};
-/* TODO: all of these should go in a device-specific struct */
-static uint64_t cur_samplerate = 0;
-static uint64_t limit_samples = 0;
-int num_channels = 32; // XXX this is not getting initialized before it is needed :(
-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 const struct sr_samplerates samplerates = {
+ 0,
+ 0,
+ 0,
+ supported_samplerates,
+};
+/* Private, per-device-instance driver context. */
+struct dev_context {
+ uint64_t cur_samplerate;
+ uint64_t max_samplerate;
+ uint64_t limit_samples;
+ int num_channels; /* TODO: This isn't initialized before it's needed :( */
+ int memory_size;
+ unsigned int max_memory_size;
+ //uint8_t probe_mask;
+ //uint8_t trigger_mask[NUM_TRIGGER_STAGES];
+ //uint8_t trigger_value[NUM_TRIGGER_STAGES];
+ // uint8_t trigger_buffer[NUM_TRIGGER_STAGES];
+ int trigger;
+ unsigned int capture_ratio;
+
+ /* TODO: this belongs in the device instance */
+ struct sr_usb_dev_inst *usb;
+};
-static int hw_set_configuration(int device_index, int capability, void *value);
+static int hw_dev_close(struct sr_dev_inst *sdi);
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;
+ 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;
}
-struct sigrok_device_instance *zp_open_device(int device_index)
+#if 0
+static int configure_probes(const struct sr_dev_inst *sdi)
{
- struct sigrok_device_instance *sdi;
- libusb_device **devlist;
- struct libusb_device_descriptor des;
- int err, i, j;
-
- if(!(sdi = get_sigrok_device_instance(device_instances, device_index)))
- return NULL;
-
- libusb_get_device_list(usb_context, &devlist);
- if(sdi->status == ST_INACTIVE) {
- /* find the device by vendor, product, bus and address */
- libusb_get_device_list(usb_context, &devlist);
- for(i = 0; devlist[i]; i++) {
- if( (err = libusb_get_device_descriptor(devlist[i], &des)) ) {
- g_warning("failed to get device descriptor: %d", err);
- continue;
- }
-
- if(des.idVendor == USB_VENDOR) {
- if(libusb_get_bus_number(devlist[i]) == sdi->usb->bus &&
- libusb_get_device_address(devlist[i]) == sdi->usb->address) {
- for (j = 0; j < sizeof(zeroplus_models) / sizeof(zeroplus_models[0]); j++) {
- if (des.idProduct == zeroplus_models[j].pid) {
- g_message("Found PID=%04X (%s)", des.idProduct, zeroplus_models[j].model_name);
- num_channels = zeroplus_models[j].channels;
- memory_size = zeroplus_models[j].sample_depth * 1024;
- break;
- }
- }
- if (num_channels == 0) {
- g_warning("Unknown ZeroPlus device %04X", des.idProduct);
- continue;
- }
- /* found it */
- if( !(err = libusb_open(devlist[i], &(sdi->usb->devhdl))) ) {
- sdi->status = ST_ACTIVE;
- g_message("opened device %d on %d.%d interface %d", sdi->index,
- sdi->usb->bus, sdi->usb->address, USB_INTERFACE);
- }
- else {
- g_warning("failed to open device: %d", err);
- sdi = NULL;
- }
- }
- }
- }
- }
- else {
- /* status must be ST_ACTIVE, i.e. already in use... */
- sdi = NULL;
- }
- libusb_free_device_list(devlist, 1);
-
- if(sdi && sdi->status != ST_ACTIVE)
- sdi = NULL;
+ struct dev_context *devc;
+ const struct sr_probe *probe;
+ const GSList *l;
+ int probe_bit, stage, i;
+ char *tc;
- return sdi;
-}
+ /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */
+ devc = sdi->priv;
+ devc->probe_mask = 0;
+ for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
+ devc->trigger_mask[i] = 0;
+ devc->trigger_value[i] = 0;
+ }
-static void close_device(struct sigrok_device_instance *sdi)
-{
+ stage = -1;
+ for (l = sdi->probes; l; l = l->next) {
+ probe = (struct sr_probe *)l->data;
+ if (probe->enabled == FALSE)
+ continue;
+ probe_bit = 1 << (probe->index);
+ devc->probe_mask |= probe_bit;
- if(sdi->usb->devhdl)
- {
- g_message("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 = ST_INACTIVE;
+ if (probe->trigger) {
+ stage = 0;
+ for (tc = probe->trigger; *tc; tc++) {
+ devc->trigger_mask[stage] |= probe_bit;
+ if (*tc == '1')
+ devc->trigger_value[stage] |= probe_bit;
+ stage++;
+ if (stage > NUM_TRIGGER_STAGES)
+ return SR_ERR;
+ }
+ }
}
+ return SR_OK;
}
+#endif
-
-static int configure_probes(GSList *probes)
+static int configure_probes(const struct sr_dev_inst *sdi)
{
- struct probe *probe;
- GSList *l;
- int probe_bit, stage, i;
+ struct dev_context *devc;
+ const GSList *l;
+ const struct sr_probe *probe;
char *tc;
+ int type;
- probe_mask = 0;
- for(i = 0; i < NUM_TRIGGER_STAGES; i++)
- {
- trigger_mask[i] = 0;
- trigger_value[i] = 0;
- }
+ /* Note: sdi and sdi->priv are non-NULL, the caller checked this. */
+ devc = sdi->priv;
- stage = -1;
- for(l = probes; l; l = l->next)
- {
- probe = (struct probe *) l->data;
- if(probe->enabled == FALSE)
+ for (l = sdi->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 SIGROK_ERR;
+
+ if ((tc = probe->trigger)) {
+ switch (*tc) {
+ case '1':
+ type = TRIGGER_HIGH;
+ break;
+ case '0':
+ type = TRIGGER_LOW;
+ break;
+#if 0
+ case 'r':
+ type = TRIGGER_POSEDGE;
+ break;
+ case 'f':
+ type = TRIGGER_NEGEDGE;
+ break;
+ case 'c':
+ type = TRIGGER_ANYEDGE;
+ break;
+#endif
+ default:
+ return SR_ERR;
}
+ analyzer_add_trigger(probe->index, type);
+ devc->trigger = 1;
}
}
- return SIGROK_OK;
+ return SR_OK;
}
+static int clear_instances(void)
+{
+ GSList *l;
+ struct sr_dev_inst *sdi;
+ struct drv_context *drvc;
+ struct dev_context *devc;
+
+ drvc = di->priv;
+ for (l = drvc->instances; l; l = l->next) {
+ sdi = l->data;
+ if (!(devc = sdi->priv)) {
+ /* Log error, but continue cleaning up the rest. */
+ sr_err("zeroplus: %s: sdi->priv was NULL, continuing", __func__);
+ continue;
+ }
+ sr_usb_dev_inst_free(devc->usb);
+ /* Properly close all devices... */
+ hw_dev_close(sdi);
+ /* ...and free all their memory. */
+ sr_dev_inst_free(sdi);
+ }
+ g_slist_free(drvc->instances);
+ drvc->instances = NULL;
+ return SR_OK;
+}
/*
* API callbacks
*/
-static int hw_init(char *deviceinfo)
+static int hw_init(struct sr_context *sr_ctx)
{
- struct sigrok_device_instance *sdi;
+ struct drv_context *drvc;
+
+ if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
+ sr_err("zeroplus: 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)
+{
+ struct sr_dev_inst *sdi;
+ struct sr_probe *probe;
+ struct drv_context *drvc;
+ struct dev_context *devc;
+ model_t *prof;
struct libusb_device_descriptor des;
libusb_device **devlist;
- int err, devcnt, i;
+ GSList *devices;
+ int ret, devcnt, i, j;
- if(libusb_init(&usb_context) != 0) {
- g_warning("Failed to initialize USB.");
- return 0;
- }
+ (void)options;
- /* find all ZeroPlus analyzers and add them to device list */
+ drvc = di->priv;
+ devices = NULL;
+
+ clear_instances();
+
+ /* 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) {
- g_warning("failed to get device descriptor: %d", err);
+ libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
+
+ for (i = 0; devlist[i]; i++) {
+ ret = libusb_get_device_descriptor(devlist[i], &des);
+ if (ret != 0) {
+ sr_err("zp: failed to get device descriptor: %s",
+ libusb_error_name(ret));
+ continue;
+ }
+
+ prof = NULL;
+ for (j = 0; j < zeroplus_models[j].vid; j++) {
+ if (des.idVendor == zeroplus_models[j].vid &&
+ des.idProduct == zeroplus_models[j].pid) {
+ prof = &zeroplus_models[j];
+ }
+ }
+ /* Skip if the device was not found */
+ if (!prof)
continue;
+ sr_info("zp: Found ZEROPLUS model %s", prof->model_name);
+
+ /* Register the device with libsigrok. */
+ if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE,
+ VENDOR_NAME, prof->model_name, NULL))) {
+ sr_err("zp: %s: sr_dev_inst_new failed", __func__);
+ return NULL;
}
+ sdi->driver = di;
- if(des.idVendor == USB_VENDOR) {
- /* definitely a Zeroplus */
- /* TODO: any way to detect specific model/version in the zeroplus range? */
- sdi = sigrok_device_instance_new(devcnt, 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 = usb_device_instance_new(libusb_get_bus_number(devlist[i]),
- libusb_get_device_address(devlist[i]), NULL);
- devcnt++;
+ /* Allocate memory for our private driver context. */
+ if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+ sr_err("zp: %s: devc malloc failed", __func__);
+ return NULL;
+ }
+ sdi->priv = devc;
+ devc->num_channels = prof->channels;
+#ifdef ZP_EXPERIMENTAL
+ devc->max_memory_size = 128 * 1024;
+ devc->max_samplerate = 200;
+#else
+ devc->max_memory_size = prof->sample_depth * 1024;
+ devc->max_samplerate = prof->max_sampling_freq;
+#endif
+ devc->max_samplerate *= SR_MHZ(1);
+ devc->memory_size = MEMORY_SIZE_8K;
+ // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
+
+ /* Fill in probelist according to this device's profile. */
+ for (j = 0; j < devc->num_channels; j++) {
+ if (!(probe = sr_probe_new(j, SR_PROBE_LOGIC, TRUE,
+ probe_names[j])))
+ return NULL;
+ sdi->probes = g_slist_append(sdi->probes, probe);
}
+
+ devices = g_slist_append(devices, sdi);
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devc->usb = sr_usb_dev_inst_new(
+ libusb_get_bus_number(devlist[i]),
+ libusb_get_device_address(devlist[i]), NULL);
+ devcnt++;
+
}
libusb_free_device_list(devlist, 1);
- return devcnt;
+ return devices;
}
+static GSList *hw_dev_list(void)
+{
+ struct drv_context *drvc;
-static int hw_opendev(int device_index)
+ drvc = di->priv;
+
+ return drvc->instances;
+}
+
+static int hw_dev_open(struct sr_dev_inst *sdi)
{
- struct sigrok_device_instance *sdi;
- int err;
+ struct dev_context *devc;
+ struct drv_context *drvc = di->priv;
+ libusb_device **devlist, *dev;
+ struct libusb_device_descriptor des;
+ int device_count, ret, i;
+
+ if (!(devc = sdi->priv)) {
+ sr_err("zp: %s: sdi->priv was NULL", __func__);
+ return SR_ERR_ARG;
+ }
+
+ device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx,
+ &devlist);
+ if (device_count < 0) {
+ sr_err("zp: Failed to retrieve device list");
+ return SR_ERR;
+ }
+
+ dev = NULL;
+ for (i = 0; i < device_count; i++) {
+ if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
+ sr_err("zp: Failed to get device descriptor: %s.",
+ libusb_error_name(ret));
+ continue;
+ }
+ if (libusb_get_bus_number(devlist[i]) == devc->usb->bus
+ && libusb_get_device_address(devlist[i]) == devc->usb->address) {
+ dev = devlist[i];
+ break;
+ }
+ }
+ if (!dev) {
+ sr_err("device on bus %d address %d disappeared!",
+ devc->usb->bus, devc->usb->address);
+ return SR_ERR;
+ }
- if( !(sdi = zp_open_device(device_index)) ) {
- g_warning("unable to open device");
- return SIGROK_ERR;
+ if (!(ret = libusb_open(dev, &(devc->usb->devhdl)))) {
+ sdi->status = SR_ST_ACTIVE;
+ sr_info("zp: opened device %d on %d.%d interface %d",
+ sdi->index, devc->usb->bus,
+ devc->usb->address, USB_INTERFACE);
+ } else {
+ sr_err("zp: failed to open device: %s", libusb_error_name(ret));
+ return SR_ERR;
}
- err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE);
- if(err != 0) {
- g_warning("Unable to claim interface: %d", err);
- return SIGROK_ERR;
+ ret = libusb_set_configuration(devc->usb->devhdl, USB_CONFIGURATION);
+ if (ret < 0) {
+ sr_err("zp: Unable to set USB configuration %d: %s",
+ USB_CONFIGURATION, libusb_error_name(ret));
+ return SR_ERR;
}
- analyzer_reset(sdi->usb->devhdl);
- analyzer_initialize(sdi->usb->devhdl);
- analyzer_configure(sdi->usb->devhdl);
- analyzer_set_memory_size(MEMORY_SIZE_512K);
-// analyzer_set_freq(g_freq, g_freq_scale);
+ ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE);
+ if (ret != 0) {
+ sr_err("zp: Unable to claim interface: %s",
+ libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ /* Set default configuration after power on */
+ if (analyzer_read_status(devc->usb->devhdl) == 0)
+ analyzer_configure(devc->usb->devhdl);
+
+ analyzer_reset(devc->usb->devhdl);
+ analyzer_initialize(devc->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);
+ // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
+ // * get_memory_size(g_memory_size)) / 100) >> 2);
-/* if (g_double_mode == 1)
+#if 0
+ if (g_double_mode == 1)
analyzer_set_compression(COMPRESSION_DOUBLE);
else if (g_compression == 1)
analyzer_set_compression(COMPRESSION_ENABLE);
- else */
- analyzer_set_compression(COMPRESSION_NONE);
+ else
+#endif
+ analyzer_set_compression(COMPRESSION_NONE);
- if(cur_samplerate == 0) {
- /* sample rate hasn't been set; default to the slowest it has */
- if(hw_set_configuration(device_index, HWCAP_SAMPLERATE, &samplerates.low) == SIGROK_ERR)
- return SIGROK_ERR;
+ if (devc->cur_samplerate == 0) {
+ /* Samplerate hasn't been set. Default to 1MHz. */
+ analyzer_set_freq(1, FREQ_SCALE_MHZ);
+ devc->cur_samplerate = SR_MHZ(1);
}
- return SIGROK_OK;
+ return SR_OK;
}
-
-static void hw_closedev(int device_index)
+static int hw_dev_close(struct sr_dev_inst *sdi)
{
- struct sigrok_device_instance *sdi;
+ struct dev_context *devc;
- if( (sdi = get_sigrok_device_instance(device_instances, device_index)) )
- close_device(sdi);
+ if (!(devc = sdi->priv)) {
+ sr_err("zp: %s: sdi->priv was NULL", __func__);
+ return SR_ERR;
+ }
-}
+ if (!devc->usb->devhdl)
+ return SR_ERR;
+ sr_info("zp: closing device %d on %d.%d interface %d", sdi->index,
+ devc->usb->bus, devc->usb->address, USB_INTERFACE);
+ libusb_release_interface(devc->usb->devhdl, USB_INTERFACE);
+ libusb_reset_device(devc->usb->devhdl);
+ libusb_close(devc->usb->devhdl);
+ devc->usb->devhdl = NULL;
+ sdi->status = SR_ST_INACTIVE;
-static void hw_cleanup(void)
-{
- GSList *l;
+ return SR_OK;
+}
- /* properly close all devices */
- for(l = device_instances; l; l = l->next)
- close_device( (struct sigrok_device_instance *) l->data);
+static int hw_cleanup(void)
+{
+ struct drv_context *drvc;
- /* 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 (!(drvc = di->priv))
+ return SR_OK;
- if(usb_context)
- libusb_exit(usb_context);
- usb_context = NULL;
+ clear_instances();
+ return SR_OK;
}
-
-static void *hw_get_device_info(int device_index, int device_info_id)
+static int hw_info_get(int info_id, const void **data,
+ const struct sr_dev_inst *sdi)
{
- struct sigrok_device_instance *sdi;
- void *info;
+ struct dev_context *devc;
- if( !(sdi = get_sigrok_device_instance(device_instances, device_index)) )
- return NULL;
-
- info = NULL;
- switch(device_info_id)
- {
- case DI_INSTANCE:
- info = sdi;
- break;
- case DI_NUM_PROBES:
- info = GINT_TO_POINTER(num_channels);
+ switch (info_id) {
+ case SR_DI_HWCAPS:
+ *data = hwcaps;
break;
- case DI_SAMPLERATES:
- info = &samplerates;
+ case SR_DI_SAMPLERATES:
+ *data = &samplerates;
+ sr_spew("zp: %s: Returning samplerates.", __func__);
break;
- case DI_TRIGGER_TYPES:
- info = TRIGGER_TYPES;
+ case SR_DI_TRIGGER_TYPES:
+ *data = TRIGGER_TYPES;
+ sr_spew("zp: %s: Returning triggertypes: %s.", __func__, TRIGGER_TYPES);
break;
- case DI_CUR_SAMPLERATE:
- info = &cur_samplerate;
+ case SR_DI_CUR_SAMPLERATE:
+ if (sdi) {
+ devc = sdi->priv;
+ *data = &devc->cur_samplerate;
+ sr_spew("zp: %s: Returning samplerate: %" PRIu64 "Hz.",
+ __func__, devc->cur_samplerate);
+ } else
+ return SR_ERR;
break;
+ default:
+ return SR_ERR_ARG;
}
- return info;
+ return SR_OK;
}
-
-static int hw_get_status(int device_index)
+static int set_samplerate(struct dev_context *devc, uint64_t samplerate)
{
- struct sigrok_device_instance *sdi;
+ int i;
+
+ for (i = 0; supported_samplerates[i]; i++)
+ if (samplerate == supported_samplerates[i])
+ break;
+ if (!supported_samplerates[i] || samplerate > devc->max_samplerate) {
+ sr_err("zp: %s: unsupported samplerate", __func__);
+ return SR_ERR_ARG;
+ }
+
+ sr_info("zp: Setting samplerate to %" PRIu64 "Hz.", samplerate);
- sdi = get_sigrok_device_instance(device_instances, device_index);
- if(sdi)
- return sdi->status;
+ 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
- return ST_NOT_FOUND;
-}
+ analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
+ devc->cur_samplerate = samplerate;
-static int *hw_get_capabilities(void)
-{
-
- return capabilities;
+ return SR_OK;
}
-// XXX this will set the same samplerate for all devices
-int set_configuration_samplerate(struct sigrok_device_instance *sdi, uint64_t samplerate)
+static int set_limit_samples(struct dev_context *devc, uint64_t samples)
{
- g_message("%s(%llu)", __FUNCTION__, samplerate);
- if (samplerate > MHZ(1))
- analyzer_set_freq(samplerate / MHZ(1), FREQ_SCALE_MHZ);
- else if (samplerate > KHZ(1))
- analyzer_set_freq(samplerate / KHZ(1), FREQ_SCALE_KHZ);
+ devc->limit_samples = samples;
+
+ if (samples <= 2 * 1024)
+ devc->memory_size = MEMORY_SIZE_8K;
+ else if (samples <= 16 * 1024)
+ devc->memory_size = MEMORY_SIZE_64K;
+ else if (samples <= 32 * 1024 ||
+ devc->max_memory_size <= 32 * 1024)
+ devc->memory_size = MEMORY_SIZE_128K;
else
- analyzer_set_freq(samplerate , FREQ_SCALE_HZ);
+ devc->memory_size = MEMORY_SIZE_512K;
+
+ sr_info("zp: Setting memory size to %dK.",
+ get_memory_size(devc->memory_size) / 1024);
- cur_samplerate = samplerate;
+ analyzer_set_memory_size(devc->memory_size);
- return SIGROK_OK;
+ return SR_OK;
}
-static int hw_set_configuration(int device_index, int capability, void *value)
+static int set_capture_ratio(struct dev_context *devc, uint64_t ratio)
{
- struct sigrok_device_instance *sdi;
- uint64_t *tmp_u64;
+ if (ratio > 100) {
+ sr_err("zp: %s: invalid capture ratio", __func__);
+ return SR_ERR_ARG;
+ }
- if( !(sdi = get_sigrok_device_instance(device_instances, device_index)) )
- return SIGROK_ERR;
+ devc->capture_ratio = ratio;
- switch (capability) {
- case HWCAP_SAMPLERATE:
- tmp_u64 = value;
- return set_configuration_samplerate(sdi, *tmp_u64);
+ sr_info("zp: Setting capture ratio to %d%%.", devc->capture_ratio);
- case HWCAP_PROBECONFIG:
- return configure_probes( (GSList *) value);
+ return SR_OK;
+}
- case HWCAP_LIMIT_SAMPLES:
- limit_samples = strtoull(value, NULL, 10);
- return SIGROK_OK;
+static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
+ const void *value)
+{
+ struct dev_context *devc;
+
+ if (!sdi) {
+ sr_err("zp: %s: sdi was NULL", __func__);
+ return SR_ERR_ARG;
+ }
+
+ if (!(devc = sdi->priv)) {
+ sr_err("zp: %s: sdi->priv was NULL", __func__);
+ return SR_ERR_ARG;
+ }
- default:
- return SIGROK_ERR;
+ switch (hwcap) {
+ case SR_HWCAP_SAMPLERATE:
+ return set_samplerate(devc, *(const uint64_t *)value);
+ case SR_HWCAP_LIMIT_SAMPLES:
+ return set_limit_samples(devc, *(const uint64_t *)value);
+ case SR_HWCAP_CAPTURE_RATIO:
+ return set_capture_ratio(devc, *(const uint64_t *)value);
+ default:
+ return SR_ERR;
}
}
-static int hw_start_acquisition(int device_index, gpointer session_device_id)
+static void set_triggerbar(struct dev_context *devc)
{
- struct sigrok_device_instance *sdi;
- struct datafeed_packet packet;
- struct datafeed_header header;
+ unsigned int ramsize;
+ unsigned int n;
+ unsigned int triggerbar;
+
+ ramsize = get_memory_size(devc->memory_size) / 4;
+ if (devc->trigger) {
+ n = ramsize;
+ if (devc->max_memory_size < n)
+ n = devc->max_memory_size;
+ if (devc->limit_samples < n)
+ n = devc->limit_samples;
+ n = n * devc->capture_ratio / 100;
+ if (n > ramsize - 8)
+ triggerbar = ramsize - 8;
+ else
+ triggerbar = n;
+ } else {
+ triggerbar = 0;
+ }
+ analyzer_set_triggerbar_address(triggerbar);
+ analyzer_set_ramsize_trigger_address(ramsize - triggerbar);
+
+ sr_dbg("zp: triggerbar_address = %d(0x%x)", triggerbar, triggerbar);
+ sr_dbg("zp: ramsize_triggerbar_address = %d(0x%x)",
+ ramsize - triggerbar, ramsize - triggerbar);
+}
+
+static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
+ void *cb_data)
+{
+ struct sr_datafeed_packet packet;
+ struct sr_datafeed_logic logic;
+ struct sr_datafeed_header header;
+ struct sr_datafeed_meta_logic meta;
+ //uint64_t samples_read;
int res;
- int packet_num;
+ unsigned int packet_num;
+ unsigned int n;
unsigned char *buf;
+ struct dev_context *devc;
+
+ if (!(devc = sdi->priv)) {
+ sr_err("zp: %s: sdi->priv was NULL", __func__);
+ return SR_ERR_ARG;
+ }
- if( !(sdi = get_sigrok_device_instance(device_instances, device_index)))
- return SIGROK_ERR;
+ if (configure_probes(sdi) != SR_OK) {
+ sr_err("zp: failed to configured probes");
+ return SR_ERR;
+ }
+
+ set_triggerbar(devc);
- analyzer_start(sdi->usb->devhdl);
- g_message("Waiting for data");
- analyzer_wait_data(sdi->usb->devhdl);
+ /* push configured settings to device */
+ analyzer_configure(devc->usb->devhdl);
- g_message("Stop address = 0x%x", analyzer_get_stop_address(sdi->usb->devhdl));
- g_message("Now address = 0x%x", analyzer_get_now_address(sdi->usb->devhdl));
- g_message("Trigger address = 0x%x", analyzer_get_trigger_address(sdi->usb->devhdl));
+ analyzer_start(devc->usb->devhdl);
+ sr_info("zp: Waiting for data");
+ analyzer_wait_data(devc->usb->devhdl);
- packet.type = DF_HEADER;
- packet.length = sizeof(struct datafeed_header);
- packet.payload = (unsigned char *) &header;
+ sr_info("zp: Stop address = 0x%x",
+ analyzer_get_stop_address(devc->usb->devhdl));
+ sr_info("zp: Now address = 0x%x",
+ analyzer_get_now_address(devc->usb->devhdl));
+ sr_info("zp: Trigger address = 0x%x",
+ analyzer_get_trigger_address(devc->usb->devhdl));
+
+ packet.type = SR_DF_HEADER;
+ packet.payload = &header;
header.feed_version = 1;
gettimeofday(&header.starttime, NULL);
- header.samplerate = cur_samplerate;
- header.protocol_id = PROTO_RAW;
- header.num_probes = num_channels;
- session_bus(session_device_id, &packet);
-
- buf = g_malloc(PACKET_SIZE);
- if (!buf)
- return SIGROK_ERR;
- 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);
-// g_message("Tried to read %llx bytes, actually read %x bytes", PACKET_SIZE, res);
-
- packet.type = DF_LOGIC32;
- packet.length = PACKET_SIZE;
- packet.payload = buf;
- session_bus(session_device_id, &packet);
+ sr_session_send(cb_data, &packet);
+
+ /* Send metadata about the SR_DF_LOGIC packets to come. */
+ packet.type = SR_DF_META_LOGIC;
+ packet.payload = &meta;
+ meta.samplerate = devc->cur_samplerate;
+ meta.num_probes = devc->num_channels;
+ sr_session_send(cb_data, &packet);
+
+ if (!(buf = g_try_malloc(PACKET_SIZE))) {
+ sr_err("zp: %s: buf malloc failed", __func__);
+ return SR_ERR_MALLOC;
+ }
+
+ //samples_read = 0;
+ analyzer_read_start(devc->usb->devhdl);
+ /* Send the incoming transfer to the session bus. */
+ n = get_memory_size(devc->memory_size);
+ if (devc->max_memory_size * 4 < n)
+ n = devc->max_memory_size * 4;
+ for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
+ res = analyzer_read_data(devc->usb->devhdl, buf, PACKET_SIZE);
+ sr_info("zp: Tried to read %d bytes, actually read %d bytes",
+ PACKET_SIZE, res);
+
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ logic.length = PACKET_SIZE;
+ logic.unitsize = 4;
+ logic.data = buf;
+ sr_session_send(cb_data, &packet);
+ //samples_read += res / 4;
}
- analyzer_read_stop(sdi->usb->devhdl);
+ analyzer_read_stop(devc->usb->devhdl);
g_free(buf);
- packet.type = DF_END;
- session_bus(session_device_id, &packet);
+ packet.type = SR_DF_END;
+ sr_session_send(cb_data, &packet);
- return SIGROK_OK;
+ return SR_OK;
}
-
-/* this stops acquisition on ALL devices, ignoring device_index */
-static void hw_stop_acquisition(int device_index, gpointer session_device_id)
+/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
+static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
- struct datafeed_packet packet;
- struct sigrok_device_instance *sdi;
-
- packet.type = DF_END;
- session_bus(session_device_id, &packet);
-
- if( !(sdi = get_sigrok_device_instance(device_instances, device_index)))
- return; // XXX cry?
+ struct sr_datafeed_packet packet;
+ struct dev_context *devc;
- analyzer_reset(sdi->usb->devhdl);
- /* TODO: need to cancel and free any queued up transfers */
-}
+ packet.type = SR_DF_END;
+ sr_session_send(cb_data, &packet);
+ if (!(devc = sdi->priv)) {
+ sr_err("zp: %s: sdi->priv was NULL", __func__);
+ return SR_ERR_BUG;
+ }
+ analyzer_reset(devc->usb->devhdl);
+ /* TODO: Need to cancel and free any queued up transfers. */
-struct device_plugin zeroplus_logic_cube_plugin_info = {
- "zeroplus-logic-cube",
- 1,
- hw_init,
- hw_cleanup,
+ return SR_OK;
+}
- hw_opendev,
- hw_closedev,
- hw_get_device_info,
- hw_get_status,
- hw_get_capabilities,
- hw_set_configuration,
- hw_start_acquisition,
- hw_stop_acquisition
+SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = {
+ .name = "zeroplus-logic-cube",
+ .longname = "ZEROPLUS Logic Cube LAP-C series",
+ .api_version = 1,
+ .init = hw_init,
+ .cleanup = hw_cleanup,
+ .scan = hw_scan,
+ .dev_list = hw_dev_list,
+ .dev_clear = hw_cleanup,
+ .dev_open = hw_dev_open,
+ .dev_close = hw_dev_close,
+ .info_get = hw_info_get,
+ .dev_config_set = hw_dev_config_set,
+ .dev_acquisition_start = hw_dev_acquisition_start,
+ .dev_acquisition_stop = hw_dev_acquisition_stop,
+ .priv = NULL,
};
-