/*
* 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
struct zp {
uint64_t cur_samplerate;
- uint64_t period_ps;
uint64_t limit_samples;
int num_channels; /* TODO: This isn't initialized before it's needed :( */
uint64_t memory_size;
uint8_t trigger_mask[NUM_TRIGGER_STAGES];
uint8_t trigger_value[NUM_TRIGGER_STAGES];
// uint8_t trigger_buffer[NUM_TRIGGER_STAGES];
+
+ struct sr_usb_device_instance *usb;
};
static int hw_set_configuration(int device_index, int capability, void *value);
}
if ((err = libusb_get_device_descriptor(dev, des))) {
- sr_warn("failed to get device descriptor: %d", err);
+ sr_err("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) {
+ if (libusb_get_bus_number(dev) == zp->usb->bus
+ && libusb_get_device_address(dev) == zp->usb->address) {
for (i = 0; i < ARRAY_SIZE(zeroplus_models); i++) {
if (!(des->idProduct == zeroplus_models[i].pid))
}
if (zp->num_channels == 0) {
- sr_warn("Unknown ZeroPlus device %04X", des->idProduct);
+ sr_err("Unknown ZeroPlus device %04X", des->idProduct);
return -2;
}
/* Found it. */
- if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
+ if (!(err = libusb_open(dev, &(zp->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);
+ (*sdi)->index, zp->usb->bus,
+ zp->usb->address, USB_INTERFACE);
} else {
- sr_warn("failed to open device: %d", err);
+ sr_err("failed to open device: %d", err);
*sdi = NULL;
}
}
static void close_device(struct sr_device_instance *sdi)
{
- if (!sdi->usb->devhdl)
+ struct zp *zp;
+
+ if (!(zp = sdi->priv)) {
+ sr_err("zp: %s: sdi->priv was NULL", __func__);
+ return; /* FIXME */
+ }
+
+ if (!zp->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;
+ zp->usb->bus, zp->usb->address, USB_INTERFACE);
+ libusb_release_interface(zp->usb->devhdl, USB_INTERFACE);
+ libusb_reset_device(zp->usb->devhdl);
+ libusb_close(zp->usb->devhdl);
+ zp->usb->devhdl = NULL;
+ /* TODO: Call libusb_exit() here or only in hw_cleanup()? */
sdi->status = SR_ST_INACTIVE;
}
/* Set some sane defaults. */
zp->cur_samplerate = 0;
- zp->period_ps = 0;
zp->limit_samples = 0;
zp->num_channels = 32; /* TODO: This isn't initialized before it's needed :( */
zp->memory_size = 0;
// memset(zp->trigger_buffer, 0, NUM_TRIGGER_STAGES);
if (libusb_init(&usb_context) != 0) {
- sr_warn("Failed to initialize USB.");
+ sr_err("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);
+ libusb_get_device_list(usb_context, &devlist); /* TODO: Errors. */
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);
+ sr_err("failed to get device descriptor: %d", err);
continue;
}
device_instances =
g_slist_append(device_instances, sdi);
- sdi->usb = sr_usb_device_instance_new(
+ zp->usb = sr_usb_device_instance_new(
libusb_get_bus_number(devlist[i]),
libusb_get_device_address(devlist[i]), NULL);
devcnt++;
int err;
if (!(sdi = zp_open_device(device_index))) {
- sr_warn("unable to open device");
+ sr_err("unable to open device");
return SR_ERR;
}
return SR_ERR_ARG;
}
- err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE);
+ err = libusb_set_configuration(zp->usb->devhdl, USB_CONFIGURATION);
+ if (err < 0) {
+ sr_err("zp: Unable to set USB configuration %d: %d",
+ USB_CONFIGURATION, err);
+ return SR_ERR;
+ }
+
+ err = libusb_claim_interface(zp->usb->devhdl, USB_INTERFACE);
if (err != 0) {
- sr_warn("Unable to claim interface: %d", err);
+ sr_err("Unable to claim interface: %d", err);
return SR_ERR;
}
- analyzer_reset(sdi->usb->devhdl);
- analyzer_initialize(sdi->usb->devhdl);
+
+ analyzer_reset(zp->usb->devhdl);
+ analyzer_initialize(zp->usb->devhdl);
analyzer_set_memory_size(MEMORY_SIZE_512K);
// analyzer_set_freq(g_freq, g_freq_scale);
analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
zp->cur_samplerate = samplerate;
- zp->period_ps = 1000000000000 / samplerate;
return SR_OK;
}
}
/* push configured settings to device */
- analyzer_configure(sdi->usb->devhdl);
+ analyzer_configure(zp->usb->devhdl);
- analyzer_start(sdi->usb->devhdl);
+ analyzer_start(zp->usb->devhdl);
sr_info("Waiting for data");
- analyzer_wait_data(sdi->usb->devhdl);
+ analyzer_wait_data(zp->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));
+ sr_info("Stop address = 0x%x", analyzer_get_stop_address(zp->usb->devhdl));
+ sr_info("Now address = 0x%x", analyzer_get_now_address(zp->usb->devhdl));
+ sr_info("Trigger address = 0x%x", analyzer_get_trigger_address(zp->usb->devhdl));
packet.type = SR_DF_HEADER;
packet.payload = &header;
gettimeofday(&header.starttime, NULL);
header.samplerate = zp->cur_samplerate;
header.num_logic_probes = zp->num_channels;
- header.num_analog_probes = 0;
sr_session_bus(session_data, &packet);
if (!(buf = g_try_malloc(PACKET_SIZE))) {
}
samples_read = 0;
- analyzer_read_start(sdi->usb->devhdl);
+ analyzer_read_start(zp->usb->devhdl);
/* Send the incoming transfer to the session bus. */
for (packet_num = 0; packet_num < (zp->memory_size * 4 / PACKET_SIZE);
packet_num++) {
- res = analyzer_read_data(sdi->usb->devhdl, buf, PACKET_SIZE);
+ res = analyzer_read_data(zp->usb->devhdl, buf, PACKET_SIZE);
sr_info("Tried to read %llx bytes, actually read %x bytes",
PACKET_SIZE, res);
packet.type = SR_DF_LOGIC;
- packet.timeoffset = samples_read * zp->period_ps;
- packet.duration = res / 4 * zp->period_ps;
packet.payload = &logic;
logic.length = PACKET_SIZE;
logic.unitsize = 4;
sr_session_bus(session_data, &packet);
samples_read += res / 4;
}
- analyzer_read_stop(sdi->usb->devhdl);
+ analyzer_read_stop(zp->usb->devhdl);
g_free(buf);
packet.type = SR_DF_END;
{
struct sr_datafeed_packet packet;
struct sr_device_instance *sdi;
+ struct zp *zp;
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? */
+ if (!(sdi = sr_get_device_instance(device_instances, device_index))) {
+ sr_err("zp: %s: sdi was NULL", __func__);
+ return; /* FIXME */
+ }
+
+ if (!(zp = sdi->priv)) {
+ sr_err("zp: %s: sdi->priv was NULL", __func__);
+ return; /* FIXME */
+ }
- analyzer_reset(sdi->usb->devhdl);
+ analyzer_reset(zp->usb->devhdl);
/* TODO: Need to cancel and free any queued up transfers. */
}
-struct sr_device_plugin zeroplus_logic_cube_plugin_info = {
+SR_PRIV struct sr_device_plugin zeroplus_logic_cube_plugin_info = {
.name = "zeroplus-logic-cube",
.longname = "Zeroplus Logic Cube LAP-C series",
.api_version = 1,
projects / libsigrok.git / blobdiff