/*
* This file is part of the sigrok project.
*
- * Copyright (C) 2012 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 <arpa/inet.h>
#endif
#include <glib.h>
-#include "sigrok.h"
-#include "sigrok-internal.h"
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
#include "ols.h"
-#ifdef _WIN32
-#define O_NONBLOCK FIONBIO
-#endif
+#define SERIALCOMM "115200/8n1"
-static int capabilities[] = {
+static const int hwcaps[] = {
SR_HWCAP_LOGIC_ANALYZER,
SR_HWCAP_SAMPLERATE,
SR_HWCAP_CAPTURE_RATIO,
0,
};
+/* Probes are numbered 0-31 (on the PCB silkscreen). */
static const char *probe_names[NUM_PROBES + 1] = {
"0",
"1",
};
/* default supported samplerates, can be overridden by device metadata */
-static struct sr_samplerates samplerates = {
+static const struct sr_samplerates samplerates = {
SR_HZ(10),
SR_MHZ(200),
SR_HZ(1),
NULL,
};
-/* List of struct sr_serial_device_instance */
-static GSList *device_instances = NULL;
+SR_PRIV struct sr_dev_driver ols_driver_info;
+static struct sr_dev_driver *odi = &ols_driver_info;
-static int send_shortcommand(int fd, uint8_t command)
+static int send_shortcommand(struct sr_serial_dev_inst *serial,
+ uint8_t command)
{
char buf[1];
sr_dbg("ols: sending cmd 0x%.2x", command);
buf[0] = command;
- if (serial_write(fd, buf, 1) != 1)
+ if (serial_write(serial, buf, 1) != 1)
return SR_ERR;
return SR_OK;
}
-static int send_longcommand(int fd, uint8_t command, uint32_t data)
+static int send_longcommand(struct sr_serial_dev_inst *serial,
+ uint8_t command, uint32_t data)
{
char buf[5];
buf[2] = (data & 0xff0000) >> 16;
buf[3] = (data & 0xff00) >> 8;
buf[4] = data & 0xff;
- if (serial_write(fd, buf, 5) != 5)
+ if (serial_write(serial, buf, 5) != 5)
return SR_ERR;
return SR_OK;
}
-static int configure_probes(struct ols_device *ols, GSList *probes)
+static int configure_probes(const struct sr_dev_inst *sdi)
{
- struct sr_probe *probe;
- GSList *l;
+ struct dev_context *devc;
+ const struct sr_probe *probe;
+ const GSList *l;
int probe_bit, stage, i;
char *tc;
- ols->probe_mask = 0;
+ devc = sdi->priv;
+
+ devc->probe_mask = 0;
for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
- ols->trigger_mask[i] = 0;
- ols->trigger_value[i] = 0;
+ devc->trigger_mask[i] = 0;
+ devc->trigger_value[i] = 0;
}
- ols->num_stages = 0;
- for (l = probes; l; l = l->next) {
- probe = (struct sr_probe *)l->data;
+ devc->num_stages = 0;
+ for (l = sdi->probes; l; l = l->next) {
+ probe = (const struct sr_probe *)l->data;
if (!probe->enabled)
continue;
* Set up the probe mask for later configuration into the
* flag register.
*/
- probe_bit = 1 << (probe->index - 1);
- ols->probe_mask |= probe_bit;
+ probe_bit = 1 << (probe->index);
+ devc->probe_mask |= probe_bit;
if (!probe->trigger)
continue;
/* Configure trigger mask and value. */
stage = 0;
for (tc = probe->trigger; tc && *tc; tc++) {
- ols->trigger_mask[stage] |= probe_bit;
+ devc->trigger_mask[stage] |= probe_bit;
if (*tc == '1')
- ols->trigger_value[stage] |= probe_bit;
+ devc->trigger_value[stage] |= probe_bit;
stage++;
if (stage > 3)
/*
*/
return SR_ERR;
}
- if (stage > ols->num_stages)
- ols->num_stages = stage;
+ if (stage > devc->num_stages)
+ devc->num_stages = stage;
}
return SR_OK;
return out;
}
-static struct ols_device *ols_device_new(void)
+static struct dev_context *ols_dev_new(void)
{
- struct ols_device *ols;
+ struct dev_context *devc;
- /* TODO: Is 'ols' ever g_free()'d? */
- if (!(ols = g_try_malloc0(sizeof(struct ols_device)))) {
- sr_err("ols: %s: ols malloc failed", __func__);
+ if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+ sr_err("ols: %s: devc malloc failed", __func__);
return NULL;
}
- ols->trigger_at = -1;
- ols->probe_mask = 0xffffffff;
- ols->cur_samplerate = SR_KHZ(200);
- ols->serial = NULL;
+ devc->trigger_at = -1;
+ devc->probe_mask = 0xffffffff;
+ devc->cur_samplerate = SR_KHZ(200);
+ devc->serial = NULL;
- return ols;
+ return devc;
}
-static struct sr_device_instance *get_metadata(int fd)
+static struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial)
{
- struct sr_device_instance *sdi;
- struct ols_device *ols;
- uint32_t tmp_int;
+ struct sr_dev_inst *sdi;
+ struct dev_context *devc;
+ struct sr_probe *probe;
+ uint32_t tmp_int, ui;
uint8_t key, type, token;
- GString *tmp_str, *devicename, *version;
- gchar tmp_c;
+ GString *tmp_str, *devname, *version;
+ guchar tmp_c;
- sdi = sr_device_instance_new(0, SR_ST_INACTIVE, NULL, NULL, NULL);
- ols = ols_device_new();
- sdi->priv = ols;
+ sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, NULL, NULL, NULL);
+ sdi->driver = odi;
+ devc = ols_dev_new();
+ sdi->priv = devc;
- devicename = g_string_new("");
+ devname = g_string_new("");
version = g_string_new("");
key = 0xff;
while (key) {
- if (serial_read(fd, &key, 1) != 1 || key == 0x00)
+ if (serial_read(serial, &key, 1) != 1 || key == 0x00)
break;
type = key >> 5;
token = key & 0x1f;
case 0:
/* NULL-terminated string */
tmp_str = g_string_new("");
- while (serial_read(fd, &tmp_c, 1) == 1 && tmp_c != '\0')
+ while (serial_read(serial, &tmp_c, 1) == 1 && tmp_c != '\0')
g_string_append_c(tmp_str, tmp_c);
sr_dbg("ols: got metadata key 0x%.2x value '%s'",
key, tmp_str->str);
switch (token) {
case 0x01:
/* Device name */
- devicename = g_string_append(devicename, tmp_str->str);
+ devname = g_string_append(devname, tmp_str->str);
break;
case 0x02:
/* FPGA firmware version */
break;
case 1:
/* 32-bit unsigned integer */
- if (serial_read(fd, &tmp_int, 4) != 4)
+ if (serial_read(serial, &tmp_int, 4) != 4)
break;
tmp_int = reverse32(tmp_int);
sr_dbg("ols: got metadata key 0x%.2x value 0x%.8x",
switch (token) {
case 0x00:
/* Number of usable probes */
- ols->num_probes = tmp_int;
+ for (ui = 0; ui < tmp_int; ui++) {
+ if (!(probe = sr_probe_new(ui, SR_PROBE_LOGIC, TRUE,
+ probe_names[ui])))
+ return 0;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ }
break;
case 0x01:
/* Amount of sample memory available (bytes) */
- ols->max_samples = tmp_int;
+ devc->max_samples = tmp_int;
break;
case 0x02:
/* Amount of dynamic memory available (bytes) */
break;
case 0x03:
/* Maximum sample rate (hz) */
- ols->max_samplerate = tmp_int;
+ devc->max_samplerate = tmp_int;
break;
case 0x04:
/* protocol version */
- ols->protocol_version = tmp_int;
+ devc->protocol_version = tmp_int;
break;
default:
sr_info("ols: unknown token 0x%.2x: 0x%.8x",
break;
case 2:
/* 8-bit unsigned integer */
- if (serial_read(fd, &tmp_c, 1) != 1)
+ if (serial_read(serial, &tmp_c, 1) != 1)
break;
sr_dbg("ols: got metadata key 0x%.2x value 0x%.2x",
key, tmp_c);
switch (token) {
case 0x00:
/* Number of usable probes */
- ols->num_probes = tmp_c;
+ for (ui = 0; ui < tmp_c; ui++) {
+ if (!(probe = sr_probe_new(ui, SR_PROBE_LOGIC, TRUE,
+ probe_names[ui])))
+ return 0;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ }
break;
case 0x01:
/* protocol version */
- ols->protocol_version = tmp_c;
+ devc->protocol_version = tmp_c;
break;
default:
sr_info("ols: unknown token 0x%.2x: 0x%.2x",
}
}
- sdi->model = devicename->str;
+ sdi->model = devname->str;
sdi->version = version->str;
- g_string_free(devicename, FALSE);
+ g_string_free(devname, FALSE);
g_string_free(version, FALSE);
return sdi;
}
-static int hw_init(const char *deviceinfo)
+static int hw_init(struct sr_context *sr_ctx)
{
- struct sr_device_instance *sdi;
- struct ols_device *ols;
- GSList *ports, *l;
- GPollFD *fds, probefd;
- int devcnt, final_devcnt, num_ports, fd, ret, i;
- char buf[8], **device_names, **serial_params;
-
- final_devcnt = 0;
-
- if (deviceinfo)
- ports = g_slist_append(NULL, strdup(deviceinfo));
- else
- /* No specific device given, so scan all serial ports. */
- ports = list_serial_ports();
-
- num_ports = g_slist_length(ports);
-
- if (!(fds = g_try_malloc0(num_ports * sizeof(GPollFD)))) {
- sr_err("ols: %s: fds malloc failed", __func__);
- goto hw_init_free_ports; /* TODO: SR_ERR_MALLOC. */
- }
+ struct drv_context *drvc;
- if (!(device_names = g_try_malloc(num_ports * sizeof(char *)))) {
- sr_err("ols: %s: device_names malloc failed", __func__);
- goto hw_init_free_fds; /* TODO: SR_ERR_MALLOC. */
+ if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
+ sr_err("ols: driver context malloc failed.");
+ return SR_ERR_MALLOC;
}
+ odi->priv = drvc;
- if (!(serial_params = g_try_malloc(num_ports * sizeof(char *)))) {
- sr_err("ols: %s: serial_params malloc failed", __func__);
- goto hw_init_free_device_names; /* TODO: SR_ERR_MALLOC. */
- }
+ return SR_OK;
+}
- devcnt = 0;
- for (l = ports; l; l = l->next) {
- /* The discovery procedure is like this: first send the Reset
- * command (0x00) 5 times, since the device could be anywhere
- * in a 5-byte command. Then send the ID command (0x02).
- * If the device responds with 4 bytes ("OLS1" or "SLA1"), we
- * have a match.
- *
- * Since it may take the device a while to respond at 115Kb/s,
- * we do all the sending first, then wait for all of them to
- * respond with g_poll().
- */
- sr_info("ols: probing %s...", (char *)l->data);
- fd = serial_open(l->data, O_RDWR | O_NONBLOCK);
- if (fd != -1) {
- serial_params[devcnt] = serial_backup_params(fd);
- serial_set_params(fd, 115200, 8, 0, 1, 2);
- ret = SR_OK;
- for (i = 0; i < 5; i++) {
- if ((ret = send_shortcommand(fd,
- CMD_RESET)) != SR_OK) {
- /* Serial port is not writable. */
- break;
- }
- }
- if (ret != SR_OK) {
- serial_restore_params(fd,
- serial_params[devcnt]);
- serial_close(fd);
- continue;
- }
- send_shortcommand(fd, CMD_ID);
- fds[devcnt].fd = fd;
- fds[devcnt].events = G_IO_IN;
- device_names[devcnt] = strdup(l->data);
- devcnt++;
+static GSList *hw_scan(GSList *options)
+{
+ struct sr_hwopt *opt;
+ struct sr_dev_inst *sdi;
+ struct drv_context *drvc;
+ struct dev_context *devc;
+ struct sr_probe *probe;
+ struct sr_serial_dev_inst *serial;
+ GPollFD probefd;
+ GSList *l, *devices;
+ int ret, i;
+ const char *conn, *serialcomm;
+ char buf[8];
+
+ (void)options;
+ drvc = odi->priv;
+ devices = NULL;
+
+ conn = serialcomm = NULL;
+ for (l = options; l; l = l->next) {
+ opt = l->data;
+ switch (opt->hwopt) {
+ case SR_HWOPT_CONN:
+ conn = opt->value;
+ break;
+ case SR_HWOPT_SERIALCOMM:
+ serialcomm = opt->value;
+ break;
}
- free(l->data);
}
+ if (!conn)
+ return NULL;
- /* 2ms isn't enough for reliable transfer with pl2303, let's try 10 */
- usleep(10000);
+ if (serialcomm == NULL)
+ serialcomm = SERIALCOMM;
- g_poll(fds, devcnt, 1);
+ if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
+ return NULL;
- for (i = 0; i < devcnt; i++) {
- if (fds[i].revents != G_IO_IN)
- continue;
- if (serial_read(fds[i].fd, buf, 4) != 4)
- continue;
- if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4))
- continue;
+ /* The discovery procedure is like this: first send the Reset
+ * command (0x00) 5 times, since the device could be anywhere
+ * in a 5-byte command. Then send the ID command (0x02).
+ * If the device responds with 4 bytes ("OLS1" or "SLA1"), we
+ * have a match.
+ */
+ sr_info("ols: probing %s .", conn);
+ if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
+ return NULL;
- /* definitely using the OLS protocol, check if it supports
- * the metadata command
- */
- send_shortcommand(fds[i].fd, CMD_METADATA);
- probefd.fd = fds[i].fd;
- probefd.events = G_IO_IN;
- if (g_poll(&probefd, 1, 10) > 0) {
- /* got metadata */
- sdi = get_metadata(fds[i].fd);
- sdi->index = final_devcnt;
- } else {
- /* not an OLS -- some other board that uses the sump protocol */
- sdi = sr_device_instance_new(final_devcnt, SR_ST_INACTIVE,
- "Sump", "Logic Analyzer", "v1.0");
- ols = ols_device_new();
- ols->num_probes = 32;
- sdi->priv = ols;
+ ret = SR_OK;
+ for (i = 0; i < 5; i++) {
+ if ((ret = send_shortcommand(serial, CMD_RESET)) != SR_OK) {
+ sr_err("ols: port %s is not writable.", conn);
+ break;
}
- 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);
- fds[i].fd = 0;
}
+ if (ret != SR_OK) {
+ serial_close(serial);
+ sr_err("ols: Could not use port %s. Quitting.", conn);
+ return NULL;
+ }
+ send_shortcommand(serial, CMD_ID);
+
+ /* Wait 10ms for a response. */
+ usleep(10000);
+
+ probefd.fd = serial->fd;
+ probefd.events = G_IO_IN;
+ g_poll(&probefd, 1, 1);
- /* clean up after all the probing */
- for (i = 0; i < devcnt; i++) {
- if (fds[i].fd != 0) {
- serial_restore_params(fds[i].fd, serial_params[i]);
- serial_close(fds[i].fd);
+ if (probefd.revents != G_IO_IN)
+ return NULL;
+ if (serial_read(serial, buf, 4) != 4)
+ return NULL;
+ if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4))
+ return NULL;
+
+ /* Definitely using the OLS protocol, check if it supports
+ * the metadata command.
+ */
+ send_shortcommand(serial, CMD_METADATA);
+ if (g_poll(&probefd, 1, 10) > 0) {
+ /* Got metadata. */
+ sdi = get_metadata(serial);
+ sdi->index = 0;
+ devc = sdi->priv;
+ } else {
+ /* Not an OLS -- some other board that uses the sump protocol. */
+ sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
+ "Sump", "Logic Analyzer", "v1.0");
+ sdi->driver = odi;
+ devc = ols_dev_new();
+ for (i = 0; i < 32; i++) {
+ if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
+ probe_names[i])))
+ return 0;
+ sdi->probes = g_slist_append(sdi->probes, probe);
}
- free(serial_params[i]);
- free(device_names[i]);
+ sdi->priv = devc;
}
+ devc->serial = serial;
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devices = g_slist_append(devices, sdi);
- g_free(serial_params);
-hw_init_free_device_names:
- g_free(device_names);
-hw_init_free_fds:
- g_free(fds);
-hw_init_free_ports:
- g_slist_free(ports);
+ serial_close(serial);
- return final_devcnt;
+ return devices;
}
-static int hw_opendev(int device_index)
+static GSList *hw_dev_list(void)
{
- struct sr_device_instance *sdi;
- struct ols_device *ols;
+ struct drv_context *drvc;
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return SR_ERR;
+ drvc = odi->priv;
- ols = sdi->priv;
+ return drvc->instances;
+}
+
+static int hw_dev_open(struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
- ols->serial->fd = serial_open(ols->serial->port, O_RDWR);
- if (ols->serial->fd == -1)
+ devc = sdi->priv;
+
+ if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
return SR_ERR;
sdi->status = SR_ST_ACTIVE;
return SR_OK;
}
-static int hw_closedev(int device_index)
+static int hw_dev_close(struct sr_dev_inst *sdi)
{
- 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? */
- }
+ struct dev_context *devc;
- ols = sdi->priv;
+ devc = sdi->priv;
- /* TODO */
- if (ols->serial->fd != -1) {
- serial_close(ols->serial->fd);
- ols->serial->fd = -1;
+ if (devc->serial && devc->serial->fd != -1) {
+ serial_close(devc->serial);
sdi->status = SR_ST_INACTIVE;
}
return SR_OK;
}
-static void hw_cleanup(void)
+static int hw_cleanup(void)
{
GSList *l;
- struct sr_device_instance *sdi;
- struct ols_device *ols;
+ struct sr_dev_inst *sdi;
+ struct drv_context *drvc;
+ struct dev_context *devc;
+ int ret = SR_OK;
+
+ if (!(drvc = odi->priv))
+ return SR_OK;
/* Properly close and free all devices. */
- for (l = device_instances; l; l = l->next) {
- sdi = l->data;
- 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);
+ for (l = drvc->instances; l; l = l->next) {
+ if (!(sdi = l->data)) {
+ /* Log error, but continue cleaning up the rest. */
+ sr_err("ols: %s: sdi was NULL, continuing", __func__);
+ ret = SR_ERR_BUG;
+ continue;
+ }
+ if (!(devc = sdi->priv)) {
+ /* Log error, but continue cleaning up the rest. */
+ sr_err("ols: %s: sdi->priv was NULL, continuing",
+ __func__);
+ ret = SR_ERR_BUG;
+ continue;
+ }
+ hw_dev_close(sdi);
+ sr_serial_dev_inst_free(devc->serial);
+ sr_dev_inst_free(sdi);
}
- g_slist_free(device_instances);
- device_instances = NULL;
+ g_slist_free(drvc->instances);
+ drvc->instances = NULL;
+
+ return ret;
}
-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 sr_device_instance *sdi;
- struct ols_device *ols;
- void *info;
-
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return NULL;
- ols = sdi->priv;
+ struct dev_context *devc;
- info = NULL;
- switch (device_info_id) {
- case SR_DI_INSTANCE:
- info = sdi;
+ switch (info_id) {
+ case SR_DI_HWCAPS:
+ *data = hwcaps;
break;
case SR_DI_NUM_PROBES:
- info = GINT_TO_POINTER(NUM_PROBES);
+ *data = GINT_TO_POINTER(1);
break;
case SR_DI_PROBE_NAMES:
- info = probe_names;
+ *data = probe_names;
break;
case SR_DI_SAMPLERATES:
- info = &samplerates;
+ *data = &samplerates;
break;
case SR_DI_TRIGGER_TYPES:
- info = (char *)TRIGGER_TYPES;
+ *data = (char *)TRIGGER_TYPES;
break;
case SR_DI_CUR_SAMPLERATE:
- info = &ols->cur_samplerate;
+ if (sdi) {
+ devc = sdi->priv;
+ *data = &devc->cur_samplerate;
+ } else
+ return SR_ERR;
break;
+ default:
+ return SR_ERR_ARG;
}
- return info;
-}
-
-static int hw_get_status(int device_index)
-{
- struct sr_device_instance *sdi;
-
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return SR_ST_NOT_FOUND;
-
- return sdi->status;
-}
-
-static int *hw_get_capabilities(void)
-{
- return capabilities;
+ return SR_OK;
}
-static int set_configuration_samplerate(struct sr_device_instance *sdi,
- uint64_t samplerate)
+static int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate)
{
- struct ols_device *ols;
+ struct dev_context *devc;
- ols = sdi->priv;
- if (ols->max_samplerate) {
- if (samplerate > ols->max_samplerate)
+ devc = sdi->priv;
+ if (devc->max_samplerate) {
+ if (samplerate > devc->max_samplerate)
return SR_ERR_SAMPLERATE;
} else if (samplerate < samplerates.low || samplerate > samplerates.high)
return SR_ERR_SAMPLERATE;
if (samplerate > CLOCK_RATE) {
- ols->flag_reg |= FLAG_DEMUX;
- ols->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1;
+ devc->flag_reg |= FLAG_DEMUX;
+ devc->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1;
} else {
- ols->flag_reg &= ~FLAG_DEMUX;
- ols->cur_samplerate_divider = (CLOCK_RATE / samplerate) - 1;
+ devc->flag_reg &= ~FLAG_DEMUX;
+ devc->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);
+ devc->cur_samplerate = CLOCK_RATE / (devc->cur_samplerate_divider + 1);
+ if (devc->flag_reg & FLAG_DEMUX)
+ devc->cur_samplerate *= 2;
+ if (devc->cur_samplerate != samplerate)
+ sr_err("ols: can't match samplerate %" PRIu64 ", using %"
+ PRIu64, samplerate, devc->cur_samplerate);
return SR_OK;
}
-static int hw_set_configuration(int device_index, int capability, void *value)
+static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
+ const void *value)
{
- struct sr_device_instance *sdi;
- struct ols_device *ols;
+ struct dev_context *devc;
int ret;
- uint64_t *tmp_u64;
+ const uint64_t *tmp_u64;
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return SR_ERR;
- ols = sdi->priv;
+ devc = sdi->priv;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR;
- switch (capability) {
+ switch (hwcap) {
case SR_HWCAP_SAMPLERATE:
- tmp_u64 = value;
- ret = set_configuration_samplerate(sdi, *tmp_u64);
- break;
- case SR_HWCAP_PROBECONFIG:
- ret = configure_probes(ols, (GSList *) value);
+ ret = set_samplerate(sdi, *(const uint64_t *)value);
break;
case SR_HWCAP_LIMIT_SAMPLES:
tmp_u64 = value;
if (*tmp_u64 < MIN_NUM_SAMPLES)
return SR_ERR;
- if (*tmp_u64 > ols->max_samples)
- sr_warn("ols: sample limit exceeds hw max");
- ols->limit_samples = *tmp_u64;
- sr_info("ols: sample limit %" PRIu64, ols->limit_samples);
+ if (*tmp_u64 > devc->max_samples)
+ sr_err("ols: sample limit exceeds hw max");
+ devc->limit_samples = *tmp_u64;
+ sr_info("ols: sample limit %" PRIu64, devc->limit_samples);
ret = SR_OK;
break;
case SR_HWCAP_CAPTURE_RATIO:
- tmp_u64 = value;
- ols->capture_ratio = *tmp_u64;
- if (ols->capture_ratio < 0 || ols->capture_ratio > 100) {
- ols->capture_ratio = 0;
+ devc->capture_ratio = *(const uint64_t *)value;
+ if (devc->capture_ratio < 0 || devc->capture_ratio > 100) {
+ devc->capture_ratio = 0;
ret = SR_ERR;
} else
ret = SR_OK;
case SR_HWCAP_RLE:
if (GPOINTER_TO_INT(value)) {
sr_info("ols: enabling RLE");
- ols->flag_reg |= FLAG_RLE;
+ devc->flag_reg |= FLAG_RLE;
}
ret = SR_OK;
break;
return ret;
}
-static int receive_data(int fd, int revents, void *session_data)
+static void abort_acquisition(const struct sr_dev_inst *sdi)
+{
+ struct sr_datafeed_packet packet;
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+ sr_source_remove(devc->serial->fd);
+
+ /* Terminate session */
+ packet.type = SR_DF_END;
+ sr_session_send(sdi, &packet);
+
+}
+
+
+
+static int receive_data(int fd, int revents, void *cb_data)
{
struct sr_datafeed_packet packet;
struct sr_datafeed_logic logic;
- struct sr_device_instance *sdi;
- struct ols_device *ols;
+ struct sr_dev_inst *sdi;
+ struct drv_context *drvc;
+ struct dev_context *devc;
GSList *l;
int num_channels, offset, i, j;
unsigned char byte;
- /* find this device's ols_device struct by its fd */
- ols = NULL;
- for (l = device_instances; l; l = l->next) {
+ drvc = odi->priv;
+
+ /* Find this device's devc struct by its fd. */
+ devc = NULL;
+ for (l = drvc->instances; l; l = l->next) {
sdi = l->data;
- if (ols->serial->fd == fd) {
- ols = sdi->priv;
+ devc = sdi->priv;
+ if (devc->serial->fd == fd)
break;
- }
+ devc = NULL;
}
- if (!ols)
- /* shouldn't happen */
+ if (!devc)
+ /* Shouldn't happen. */
return TRUE;
- if (ols->num_transfers++ == 0) {
+ if (devc->num_transfers++ == 0) {
/*
* First time round, means the device started sending data,
* and will not stop until done. If it stops sending for
* finished. We'll double that to 30ms to be sure...
*/
sr_source_remove(fd);
- sr_source_add(fd, G_IO_IN, 30, receive_data, session_data);
- ols->raw_sample_buf = g_try_malloc(ols->limit_samples * 4);
- if (!ols->raw_sample_buf) {
- sr_err("ols: %s: ols->raw_sample_buf malloc failed",
+ sr_source_add(fd, G_IO_IN, 30, receive_data, cb_data);
+ /* TODO: Check malloc return code. */
+ devc->raw_sample_buf = g_try_malloc(devc->limit_samples * 4);
+ if (!devc->raw_sample_buf) {
+ sr_err("ols: %s: devc->raw_sample_buf malloc failed",
__func__);
return FALSE;
}
/* fill with 1010... for debugging */
- memset(ols->raw_sample_buf, 0x82, ols->limit_samples * 4);
+ memset(devc->raw_sample_buf, 0x82, devc->limit_samples * 4);
}
num_channels = 0;
for (i = 0x20; i > 0x02; i /= 2) {
- if ((ols->flag_reg & i) == 0)
+ if ((devc->flag_reg & i) == 0)
num_channels++;
}
if (revents == G_IO_IN) {
- if (serial_read(fd, &byte, 1) != 1)
+ if (serial_read(devc->serial, &byte, 1) != 1)
return FALSE;
/* Ignore it if we've read enough. */
- if (ols->num_samples >= ols->limit_samples)
+ if (devc->num_samples >= devc->limit_samples)
return TRUE;
- ols->sample[ols->num_bytes++] = byte;
+ devc->sample[devc->num_bytes++] = byte;
sr_dbg("ols: received byte 0x%.2x", byte);
- if (ols->num_bytes == num_channels) {
+ if (devc->num_bytes == num_channels) {
/* Got a full sample. */
sr_dbg("ols: received sample 0x%.*x",
- ols->num_bytes * 2, *(int *)ols->sample);
- if (ols->flag_reg & FLAG_RLE) {
+ devc->num_bytes * 2, *(int *)devc->sample);
+ if (devc->flag_reg & FLAG_RLE) {
/*
* In RLE mode -1 should never come in as a
* sample, because bit 31 is the "count" flag.
*/
- if (ols->sample[ols->num_bytes - 1] & 0x80) {
- ols->sample[ols->num_bytes - 1] &= 0x7f;
+ if (devc->sample[devc->num_bytes - 1] & 0x80) {
+ devc->sample[devc->num_bytes - 1] &= 0x7f;
/*
* FIXME: This will only work on
* little-endian systems.
*/
- ols->rle_count = *(int *)(ols->sample);
- sr_dbg("ols: RLE count = %d", ols->rle_count);
- ols->num_bytes = 0;
+ devc->rle_count = *(int *)(devc->sample);
+ sr_dbg("ols: RLE count = %d", devc->rle_count);
+ devc->num_bytes = 0;
return TRUE;
}
}
- ols->num_samples += ols->rle_count + 1;
- if (ols->num_samples > ols->limit_samples) {
+ devc->num_samples += devc->rle_count + 1;
+ if (devc->num_samples > devc->limit_samples) {
/* Save us from overrunning the buffer. */
- ols->rle_count -= ols->num_samples - ols->limit_samples;
- ols->num_samples = ols->limit_samples;
+ devc->rle_count -= devc->num_samples - devc->limit_samples;
+ devc->num_samples = devc->limit_samples;
}
if (num_channels < 4) {
* the number of probes.
*/
j = 0;
- memset(ols->tmp_sample, 0, 4);
+ memset(devc->tmp_sample, 0, 4);
for (i = 0; i < 4; i++) {
- if (((ols->flag_reg >> 2) & (1 << i)) == 0) {
+ if (((devc->flag_reg >> 2) & (1 << i)) == 0) {
/*
* This channel group was
* enabled, copy from received
* sample.
*/
- ols->tmp_sample[i] = ols->sample[j++];
+ devc->tmp_sample[i] = devc->sample[j++];
}
}
- memcpy(ols->sample, ols->tmp_sample, 4);
- sr_dbg("ols: full sample 0x%.8x", *(int *)ols->sample);
+ memcpy(devc->sample, devc->tmp_sample, 4);
+ sr_dbg("ols: full sample 0x%.8x", *(int *)devc->sample);
}
/* the OLS sends its sample buffer backwards.
* store it in reverse order here, so we can dump
* this on the session bus later.
*/
- offset = (ols->limit_samples - ols->num_samples) * 4;
- for (i = 0; i <= ols->rle_count; i++) {
- memcpy(ols->raw_sample_buf + offset + (i * 4),
- ols->sample, 4);
+ offset = (devc->limit_samples - devc->num_samples) * 4;
+ for (i = 0; i <= devc->rle_count; i++) {
+ memcpy(devc->raw_sample_buf + offset + (i * 4),
+ devc->sample, 4);
}
- memset(ols->sample, 0, 4);
- ols->num_bytes = 0;
- ols->rle_count = 0;
+ memset(devc->sample, 0, 4);
+ devc->num_bytes = 0;
+ devc->rle_count = 0;
}
} else {
/*
* we've acquired all the samples we asked for -- we're done.
* Send the (properly-ordered) buffer to the frontend.
*/
- if (ols->trigger_at != -1) {
+ if (devc->trigger_at != -1) {
/* a trigger was set up, so we need to tell the frontend
* about it.
*/
- if (ols->trigger_at > 0) {
+ if (devc->trigger_at > 0) {
/* there are pre-trigger samples, send those first */
packet.type = SR_DF_LOGIC;
packet.payload = &logic;
- logic.length = ols->trigger_at * 4;
+ logic.length = devc->trigger_at * 4;
logic.unitsize = 4;
- logic.data = ols->raw_sample_buf +
- (ols->limit_samples - ols->num_samples) * 4;
- sr_session_bus(session_data, &packet);
+ logic.data = devc->raw_sample_buf +
+ (devc->limit_samples - devc->num_samples) * 4;
+ sr_session_send(cb_data, &packet);
}
/* send the trigger */
packet.type = SR_DF_TRIGGER;
- sr_session_bus(session_data, &packet);
+ sr_session_send(cb_data, &packet);
/* send post-trigger samples */
packet.type = SR_DF_LOGIC;
packet.payload = &logic;
- logic.length = (ols->num_samples * 4) - (ols->trigger_at * 4);
+ logic.length = (devc->num_samples * 4) - (devc->trigger_at * 4);
logic.unitsize = 4;
- logic.data = ols->raw_sample_buf + ols->trigger_at * 4 +
- (ols->limit_samples - ols->num_samples) * 4;
- sr_session_bus(session_data, &packet);
+ logic.data = devc->raw_sample_buf + devc->trigger_at * 4 +
+ (devc->limit_samples - devc->num_samples) * 4;
+ sr_session_send(cb_data, &packet);
} else {
/* no trigger was used */
packet.type = SR_DF_LOGIC;
packet.payload = &logic;
- logic.length = ols->num_samples * 4;
+ logic.length = devc->num_samples * 4;
logic.unitsize = 4;
- logic.data = ols->raw_sample_buf +
- (ols->limit_samples - ols->num_samples) * 4;
- sr_session_bus(session_data, &packet);
+ logic.data = devc->raw_sample_buf +
+ (devc->limit_samples - devc->num_samples) * 4;
+ sr_session_send(cb_data, &packet);
}
- g_free(ols->raw_sample_buf);
+ g_free(devc->raw_sample_buf);
- serial_flush(fd);
- serial_close(fd);
- packet.type = SR_DF_END;
- sr_session_bus(session_data, &packet);
+ serial_flush(devc->serial);
+ abort_acquisition(sdi);
+ serial_close(devc->serial);
}
return TRUE;
}
-static int hw_start_acquisition(int device_index, gpointer session_data)
+static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
+ void *cb_data)
{
struct sr_datafeed_packet *packet;
struct sr_datafeed_header *header;
- struct sr_device_instance *sdi;
- struct ols_device *ols;
+ struct sr_datafeed_meta_logic meta;
+ struct dev_context *devc;
uint32_t trigger_config[4];
uint32_t data;
uint16_t readcount, delaycount;
int num_channels;
int i;
- if (!(sdi = sr_get_device_instance(device_instances, device_index)))
- return SR_ERR;
-
- ols = sdi->priv;
+ devc = sdi->priv;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR;
+ if (configure_probes(sdi) != SR_OK) {
+ sr_err("ols: failed to configured probes");
+ return SR_ERR;
+ }
+
/*
* Enable/disable channel groups in the flag register according to the
* probe mask. Calculate this here, because num_channels is needed
changrp_mask = 0;
num_channels = 0;
for (i = 0; i < 4; i++) {
- if (ols->probe_mask & (0xff << (i * 8))) {
+ if (devc->probe_mask & (0xff << (i * 8))) {
changrp_mask |= (1 << i);
num_channels++;
}
* Limit readcount to prevent reading past the end of the hardware
* buffer.
*/
- readcount = MIN(ols->max_samples / num_channels, ols->limit_samples) / 4;
+ readcount = MIN(devc->max_samples / num_channels, devc->limit_samples) / 4;
memset(trigger_config, 0, 16);
- trigger_config[ols->num_stages - 1] |= 0x08;
- if (ols->trigger_mask[0]) {
- delaycount = readcount * (1 - ols->capture_ratio / 100.0);
- ols->trigger_at = (readcount - delaycount) * 4 - ols->num_stages;
+ trigger_config[devc->num_stages - 1] |= 0x08;
+ if (devc->trigger_mask[0]) {
+ delaycount = readcount * (1 - devc->capture_ratio / 100.0);
+ devc->trigger_at = (readcount - delaycount) * 4 - devc->num_stages;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_0,
- reverse32(ols->trigger_mask[0])) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_0,
+ reverse32(devc->trigger_mask[0])) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_0,
- reverse32(ols->trigger_value[0])) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_0,
+ reverse32(devc->trigger_value[0])) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_0,
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_0,
trigger_config[0]) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_1,
- reverse32(ols->trigger_mask[1])) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_1,
+ reverse32(devc->trigger_mask[1])) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_1,
- reverse32(ols->trigger_value[1])) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_1,
+ reverse32(devc->trigger_value[1])) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_1,
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_1,
trigger_config[1]) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_2,
- reverse32(ols->trigger_mask[2])) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_2,
+ reverse32(devc->trigger_mask[2])) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_2,
- reverse32(ols->trigger_value[2])) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_2,
+ reverse32(devc->trigger_value[2])) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_2,
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_2,
trigger_config[2]) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_3,
- reverse32(ols->trigger_mask[3])) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_3,
+ reverse32(devc->trigger_mask[3])) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_3,
- reverse32(ols->trigger_value[3])) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_3,
+ reverse32(devc->trigger_value[3])) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_3,
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_3,
trigger_config[3]) != SR_OK)
return SR_ERR;
} else {
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_MASK_0,
- ols->trigger_mask[0]) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_0,
+ devc->trigger_mask[0]) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_VALUE_0,
- ols->trigger_value[0]) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_0,
+ devc->trigger_value[0]) != SR_OK)
return SR_ERR;
- if (send_longcommand(ols->serial->fd, CMD_SET_TRIGGER_CONFIG_0,
+ if (send_longcommand(devc->serial, 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(ols->serial->fd, CMD_SET_DIVIDER,
- reverse32(ols->cur_samplerate_divider)) != SR_OK)
+ "demux %s)", devc->cur_samplerate, devc->cur_samplerate_divider,
+ devc->flag_reg & FLAG_DEMUX ? "on" : "off");
+ if (send_longcommand(devc->serial, CMD_SET_DIVIDER,
+ reverse32(devc->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(ols->serial->fd, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK)
+ if (send_longcommand(devc->serial, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK)
return SR_ERR;
/* The flag register wants them here, and 1 means "disable channel". */
- ols->flag_reg |= ~(changrp_mask << 2) & 0x3c;
- ols->flag_reg |= FLAG_FILTER;
- ols->rle_count = 0;
- data = (ols->flag_reg << 24) | ((ols->flag_reg << 8) & 0xff0000);
- if (send_longcommand(ols->serial->fd, CMD_SET_FLAGS, data) != SR_OK)
+ devc->flag_reg |= ~(changrp_mask << 2) & 0x3c;
+ devc->flag_reg |= FLAG_FILTER;
+ devc->rle_count = 0;
+ data = (devc->flag_reg << 24) | ((devc->flag_reg << 8) & 0xff0000);
+ if (send_longcommand(devc->serial, CMD_SET_FLAGS, data) != SR_OK)
return SR_ERR;
/* Start acquisition on the device. */
- if (send_shortcommand(ols->serial->fd, CMD_RUN) != SR_OK)
+ if (send_shortcommand(devc->serial, CMD_RUN) != SR_OK)
return SR_ERR;
- sr_source_add(ols->serial->fd, G_IO_IN, -1, receive_data,
- session_data);
+ sr_source_add(devc->serial->fd, G_IO_IN, -1, receive_data,
+ cb_data);
if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
sr_err("ols: %s: packet malloc failed", __func__);
packet->payload = (unsigned char *)header;
header->feed_version = 1;
gettimeofday(&header->starttime, NULL);
- header->samplerate = ols->cur_samplerate;
- header->num_logic_probes = NUM_PROBES;
- header->num_analog_probes = 0;
- sr_session_bus(session_data, 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 = NUM_PROBES;
+ sr_session_send(cb_data, packet);
g_free(header);
g_free(packet);
return SR_OK;
}
-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 sr_datafeed_packet packet;
-
/* Avoid compiler warnings. */
- (void)device_index;
+ (void)cb_data;
- packet.type = SR_DF_END;
- sr_session_bus(session_device_id, &packet);
+ abort_acquisition(sdi);
+
+ return SR_OK;
}
-struct sr_device_plugin ols_plugin_info = {
+SR_PRIV struct sr_dev_driver ols_driver_info = {
.name = "ols",
.longname = "Openbench Logic Sniffer",
.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,
+ .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,
};
projects / libsigrok.git / blobdiff