/*
* This file is part of the sigrok project.
*
- * Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 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 <arpa/inet.h>
#endif
#include <glib.h>
-#include <sigrok.h>
-#include <sigrok-internal.h>
+#include "sigrok.h"
+#include "sigrok-internal.h"
#include "ols.h"
#ifdef _WIN32
0,
};
+static const char *probe_names[NUM_PROBES + 1] = {
+ "0",
+ "1",
+ "2",
+ "3",
+ "4",
+ "5",
+ "6",
+ "7",
+ "8",
+ "9",
+ "10",
+ "11",
+ "12",
+ "13",
+ "14",
+ "15",
+ "16",
+ "17",
+ "18",
+ "19",
+ "20",
+ "21",
+ "22",
+ "23",
+ "24",
+ "25",
+ "26",
+ "27",
+ "28",
+ "29",
+ "30",
+ "31",
+ NULL,
+};
+
/* default supported samplerates, can be overridden by device metadata */
static struct sr_samplerates samplerates = {
SR_HZ(10),
ols->trigger_at = -1;
ols->probe_mask = 0xffffffff;
ols->cur_samplerate = SR_KHZ(200);
- ols->period_ps = 5000000;
+ ols->serial = NULL;
return ols;
}
ols->num_probes = 32;
sdi->priv = ols;
}
- sdi->serial = sr_serial_device_instance_new(device_names[i], -1);
+ ols->serial = sr_serial_device_instance_new(device_names[i], -1);
device_instances = g_slist_append(device_instances, sdi);
final_devcnt++;
serial_close(fds[i].fd);
static int hw_opendev(int device_index)
{
struct sr_device_instance *sdi;
+ struct ols_device *ols;
if (!(sdi = sr_get_device_instance(device_instances, device_index)))
return SR_ERR;
- sdi->serial->fd = serial_open(sdi->serial->port, O_RDWR);
- if (sdi->serial->fd == -1)
+ ols = sdi->priv;
+
+ ols->serial->fd = serial_open(ols->serial->port, O_RDWR);
+ if (ols->serial->fd == -1)
return SR_ERR;
sdi->status = SR_ST_ACTIVE;
static int hw_closedev(int device_index)
{
struct sr_device_instance *sdi;
+ struct ols_device *ols;
if (!(sdi = sr_get_device_instance(device_instances, device_index))) {
sr_err("ols: %s: sdi was NULL", __func__);
return SR_ERR; /* TODO: SR_ERR_ARG? */
}
+ ols = sdi->priv;
+
/* TODO */
- if (sdi->serial->fd != -1) {
- serial_close(sdi->serial->fd);
- sdi->serial->fd = -1;
+ if (ols->serial->fd != -1) {
+ serial_close(ols->serial->fd);
+ ols->serial->fd = -1;
sdi->status = SR_ST_INACTIVE;
}
{
GSList *l;
struct sr_device_instance *sdi;
+ struct ols_device *ols;
/* Properly close and free all devices. */
for (l = device_instances; l; l = l->next) {
sdi = l->data;
- if (sdi->serial->fd != -1)
- serial_close(sdi->serial->fd);
+ ols = sdi->priv;
+ if (ols->serial->fd != -1)
+ serial_close(ols->serial->fd);
+ sr_serial_device_instance_free(ols->serial);
sr_device_instance_free(sdi);
}
g_slist_free(device_instances);
case SR_DI_NUM_PROBES:
info = GINT_TO_POINTER(NUM_PROBES);
break;
+ case SR_DI_PROBE_NAMES:
+ info = probe_names;
+ break;
case SR_DI_SAMPLERATES:
info = &samplerates;
break;
} else if (samplerate < samplerates.low || samplerate > samplerates.high)
return SR_ERR_SAMPLERATE;
- ols->cur_samplerate = samplerate;
- ols->period_ps = 1000000000000 / samplerate;
if (samplerate > CLOCK_RATE) {
ols->flag_reg |= FLAG_DEMUX;
ols->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1;
ols->cur_samplerate_divider = (CLOCK_RATE / samplerate) - 1;
}
+ /* Calculate actual samplerate used and complain if it is different
+ * from the requested.
+ */
+ ols->cur_samplerate = CLOCK_RATE / (ols->cur_samplerate_divider + 1);
+ if(ols->flag_reg & FLAG_DEMUX)
+ ols->cur_samplerate *= 2;
+ if(ols->cur_samplerate != samplerate)
+ sr_warn("ols: can't match samplerate %" PRIu64 ", using %" PRIu64,
+ samplerate, ols->cur_samplerate);
+
return SR_OK;
}
ret = SR_OK;
break;
case SR_HWCAP_RLE:
- if (!strcmp(value, "on")) {
+ if (GPOINTER_TO_INT(value)) {
sr_info("ols: enabling RLE");
ols->flag_reg |= FLAG_RLE;
}
ols = NULL;
for (l = device_instances; l; l = l->next) {
sdi = l->data;
- if (sdi->serial->fd == fd) {
+ if (ols->serial->fd == fd) {
ols = sdi->priv;
break;
}
if (ols->trigger_at > 0) {
/* there are pre-trigger samples, send those first */
packet.type = SR_DF_LOGIC;
- packet.timeoffset = 0;
- packet.duration = ols->trigger_at * ols->period_ps;
packet.payload = &logic;
logic.length = ols->trigger_at * 4;
logic.unitsize = 4;
/* send the trigger */
packet.type = SR_DF_TRIGGER;
- packet.timeoffset = ols->trigger_at * ols->period_ps;
- packet.duration = 0;
sr_session_bus(session_data, &packet);
/* send post-trigger samples */
packet.type = SR_DF_LOGIC;
- packet.timeoffset = ols->trigger_at * ols->period_ps;
- packet.duration = (ols->num_samples - ols->trigger_at) * ols->period_ps;
packet.payload = &logic;
logic.length = (ols->num_samples * 4) - (ols->trigger_at * 4);
logic.unitsize = 4;
} else {
/* no trigger was used */
packet.type = SR_DF_LOGIC;
- packet.timeoffset = 0;
- packet.duration = ols->num_samples * ols->period_ps;
packet.payload = &logic;
logic.length = ols->num_samples * 4;
logic.unitsize = 4;
serial_flush(fd);
serial_close(fd);
packet.type = SR_DF_END;
- packet.timeoffset = ols->num_samples * ols->period_ps;
- packet.duration = 0;
sr_session_bus(session_data, &packet);
}
delaycount = readcount * (1 - ols->capture_ratio / 100.0);
ols->trigger_at = (readcount - delaycount) * 4 - ols->num_stages;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_0,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_0,
reverse32(ols->trigger_mask[0])) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_0,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_0,
reverse32(ols->trigger_value[0])) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_0,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_0,
trigger_config[0]) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_1,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_1,
reverse32(ols->trigger_mask[1])) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_1,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_1,
reverse32(ols->trigger_value[1])) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_1,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_1,
trigger_config[1]) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_2,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_2,
reverse32(ols->trigger_mask[2])) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_2,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_2,
reverse32(ols->trigger_value[2])) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_2,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_2,
trigger_config[2]) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_3,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_3,
reverse32(ols->trigger_mask[3])) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_3,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_3,
reverse32(ols->trigger_value[3])) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_3,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_3,
trigger_config[3]) != SR_OK)
return SR_ERR;
} else {
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_0,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_0,
ols->trigger_mask[0]) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_0,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_0,
ols->trigger_value[0]) != SR_OK)
return SR_ERR;
- if (send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_0,
+ if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_0,
0x00000008) != SR_OK)
return SR_ERR;
delaycount = readcount;
sr_info("ols: setting samplerate to %" PRIu64 " Hz (divider %u, "
"demux %s)", ols->cur_samplerate, ols->cur_samplerate_divider,
ols->flag_reg & FLAG_DEMUX ? "on" : "off");
- if (send_longcommand(sdi->serial->fd, CMD_SET_DIVIDER,
+ if (send_longcommand(ols->serial->fd, CMD_SET_DIVIDER,
reverse32(ols->cur_samplerate_divider)) != SR_OK)
return SR_ERR;
/* Send sample limit and pre/post-trigger capture ratio. */
data = ((readcount - 1) & 0xffff) << 16;
data |= (delaycount - 1) & 0xffff;
- if (send_longcommand(sdi->serial->fd, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK)
+ if (send_longcommand(ols->serial->fd, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK)
return SR_ERR;
/* The flag register wants them here, and 1 means "disable channel". */
ols->flag_reg |= FLAG_FILTER;
ols->rle_count = 0;
data = (ols->flag_reg << 24) | ((ols->flag_reg << 8) & 0xff0000);
- if (send_longcommand(sdi->serial->fd, CMD_SET_FLAGS, data) != SR_OK)
+ if (send_longcommand(ols->serial->fd, CMD_SET_FLAGS, data) != SR_OK)
return SR_ERR;
/* Start acquisition on the device. */
- if (send_shortcommand(sdi->serial->fd, CMD_RUN) != SR_OK)
+ if (send_shortcommand(ols->serial->fd, CMD_RUN) != SR_OK)
return SR_ERR;
- sr_source_add(sdi->serial->fd, G_IO_IN, -1, receive_data,
+ sr_source_add(ols->serial->fd, G_IO_IN, -1, receive_data,
session_data);
if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
struct sr_datafeed_packet packet;
/* Avoid compiler warnings. */
- device_index = device_index;
+ (void)device_index;
packet.type = SR_DF_END;
sr_session_bus(session_device_id, &packet);
}
-struct sr_device_plugin ols_plugin_info = {
+SR_PRIV struct sr_device_plugin ols_plugin_info = {
.name = "ols",
.longname = "Openbench Logic Sniffer",
.api_version = 1,