/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
*
SR_CONF_TRIGGER_TYPE,
SR_CONF_CAPTURE_RATIO,
SR_CONF_LIMIT_SAMPLES,
+ SR_CONF_EXTERNAL_CLOCK,
+ SR_CONF_PATTERN_MODE,
+ SR_CONF_SWAP,
SR_CONF_RLE,
};
+#define STR_PATTERN_EXTERNAL "external"
+#define STR_PATTERN_INTERNAL "internal"
+
+/* Supported methods of test pattern outputs */
+enum {
+ /**
+ * Capture pins 31:16 (unbuffered wing) output a test pattern
+ * that can captured on pins 0:15.
+ */
+ PATTERN_EXTERNAL,
+
+ /** Route test pattern internally to capture buffer. */
+ PATTERN_INTERNAL,
+};
+
/* Probes are numbered 0-31 (on the PCB silkscreen). */
SR_PRIV const char *ols_probe_names[NUM_PROBES + 1] = {
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
SR_PRIV struct sr_dev_driver ols_driver_info;
static struct sr_dev_driver *di = &ols_driver_info;
-static int hw_init(struct sr_context *sr_ctx)
+static int dev_clear(void)
+{
+ return std_dev_clear(di, NULL);
+}
+
+static int init(struct sr_context *sr_ctx)
{
- return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
-static GSList *hw_scan(GSList *options)
+static GSList *scan(GSList *options)
{
struct sr_config *src;
struct sr_dev_inst *sdi;
const char *conn, *serialcomm;
char buf[8];
- (void)options;
-
drvc = di->priv;
devices = NULL;
devc = sdi->priv;
} else {
/* Not an OLS -- some other board that uses the sump protocol. */
+ sr_info("Device does not support metadata.");
sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
"Sump", "Logic Analyzer", "v1.0");
sdi->driver = di;
- devc = ols_dev_new();
for (i = 0; i < 32; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
ols_probe_names[i])))
return 0;
sdi->probes = g_slist_append(sdi->probes, probe);
}
+ devc = ols_dev_new();
sdi->priv = devc;
}
- devc->serial = serial;
+ /* Configure samplerate and divider. */
+ if (ols_set_samplerate(sdi, DEFAULT_SAMPLERATE) != SR_OK)
+ sr_dbg("Failed to set default samplerate (%"PRIu64").",
+ DEFAULT_SAMPLERATE);
+ /* Clear trigger masks, values and stages. */
+ ols_configure_probes(sdi);
+ sdi->inst_type = SR_INST_SERIAL;
+ sdi->conn = serial;
+
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
return devices;
}
-static GSList *hw_dev_list(void)
+static GSList *dev_list(void)
{
return ((struct drv_context *)(di->priv))->instances;
}
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int dev_open(struct sr_dev_inst *sdi)
{
- struct dev_context *devc;
-
- devc = sdi->priv;
+ struct sr_serial_dev_inst *serial;
- if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
+ serial = sdi->conn;
+ if (serial_open(serial, SERIAL_RDWR) != SR_OK)
return SR_ERR;
sdi->status = SR_ST_ACTIVE;
return SR_OK;
}
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int dev_close(struct sr_dev_inst *sdi)
{
- struct dev_context *devc;
-
- devc = sdi->priv;
+ struct sr_serial_dev_inst *serial;
- if (devc->serial && devc->serial->fd != -1) {
- serial_close(devc->serial);
+ serial = sdi->conn;
+ if (serial && serial->fd != -1) {
+ serial_close(serial);
sdi->status = SR_ST_INACTIVE;
}
return SR_OK;
}
-static int hw_cleanup(void)
+static int cleanup(void)
{
- GSList *l;
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
- int ret = SR_OK;
-
- if (!(drvc = di->priv))
- return SR_OK;
-
- /* Properly close and free all devices. */
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("%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("%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(drvc->instances);
- drvc->instances = NULL;
-
- return ret;
+ return dev_clear();
}
-static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_probe_group *probe_group)
{
struct dev_context *devc;
+ (void)probe_group;
+
if (!sdi)
return SR_ERR_ARG;
case SR_CONF_LIMIT_SAMPLES:
*data = g_variant_new_uint64(devc->limit_samples);
break;
+ case SR_CONF_PATTERN_MODE:
+ if (devc->flag_reg & FLAG_EXTERNAL_TEST_MODE)
+ *data = g_variant_new_string(STR_PATTERN_EXTERNAL);
+ else if (devc->flag_reg & FLAG_INTERNAL_TEST_MODE)
+ *data = g_variant_new_string(STR_PATTERN_INTERNAL);
+ break;
case SR_CONF_RLE:
*data = g_variant_new_boolean(devc->flag_reg & FLAG_RLE ? TRUE : FALSE);
break;
default:
- return SR_ERR_ARG;
+ return SR_ERR_NA;
}
return SR_OK;
}
-static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
+ const struct sr_probe_group *probe_group)
{
struct dev_context *devc;
int ret;
uint64_t tmp_u64;
+ const char *stropt;
- devc = sdi->priv;
+ (void)probe_group;
if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
+ return SR_ERR_DEV_CLOSED;
+
+ devc = sdi->priv;
switch (id) {
case SR_CONF_SAMPLERATE:
} else
ret = SR_OK;
break;
+ case SR_CONF_EXTERNAL_CLOCK:
+ if (g_variant_get_boolean(data)) {
+ sr_info("Enabling external clock.");
+ devc->flag_reg |= FLAG_CLOCK_EXTERNAL;
+ } else {
+ sr_info("Disabled external clock.");
+ devc->flag_reg &= ~FLAG_CLOCK_EXTERNAL;
+ }
+ ret = SR_OK;
+ break;
+ case SR_CONF_PATTERN_MODE:
+ stropt = g_variant_get_string(data, NULL);
+ ret = SR_OK;
+ if (!strcmp(stropt, STR_PATTERN_INTERNAL)) {
+ sr_info("Enabling internal test mode.");
+ devc->flag_reg |= FLAG_INTERNAL_TEST_MODE;
+ } else if (!strcmp(stropt, STR_PATTERN_EXTERNAL)) {
+ sr_info("Enabling external test mode.");
+ devc->flag_reg |= FLAG_EXTERNAL_TEST_MODE;
+ } else {
+ ret = SR_ERR;
+ }
+ break;
+ case SR_CONF_SWAP:
+ if (g_variant_get_boolean(data)) {
+ sr_info("Enabling channel swapping.");
+ devc->flag_reg |= FLAG_SWAP_PROBES;
+ } else {
+ sr_info("Disabling channel swapping.");
+ devc->flag_reg &= ~FLAG_SWAP_PROBES;
+ }
+ ret = SR_OK;
+ break;
+
case SR_CONF_RLE:
if (g_variant_get_boolean(data)) {
sr_info("Enabling RLE.");
ret = SR_OK;
break;
default:
- ret = SR_ERR;
+ ret = SR_ERR_NA;
}
return ret;
}
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_probe_group *probe_group)
{
GVariant *gvar;
GVariantBuilder gvb;
(void)sdi;
+ (void)probe_group;
switch (key) {
case SR_CONF_SCAN_OPTIONS:
*data = g_variant_new_string(TRIGGER_TYPE);
break;
default:
- return SR_ERR_ARG;
+ return SR_ERR_NA;
}
return SR_OK;
}
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
+static int dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
uint32_t trigger_config[4];
uint32_t data;
uint16_t readcount, delaycount;
int num_channels;
int i;
- devc = sdi->priv;
-
if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
+ return SR_ERR_DEV_CLOSED;
+
+ devc = sdi->priv;
+ serial = sdi->conn;
if (ols_configure_probes(sdi) != SR_OK) {
sr_err("Failed to configure probes.");
readcount = MIN(devc->max_samples / num_channels, devc->limit_samples) / 4;
memset(trigger_config, 0, 16);
- trigger_config[devc->num_stages - 1] |= 0x08;
+ trigger_config[devc->num_stages] |= 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(devc->serial, CMD_SET_TRIGGER_MASK_0,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0,
reverse32(devc->trigger_mask[0])) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_0,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0,
reverse32(devc->trigger_value[0])) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_0,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0,
trigger_config[0]) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_1,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_1,
reverse32(devc->trigger_mask[1])) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_1,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_1,
reverse32(devc->trigger_value[1])) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_1,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_1,
trigger_config[1]) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_2,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_2,
reverse32(devc->trigger_mask[2])) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_2,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_2,
reverse32(devc->trigger_value[2])) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_2,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_2,
trigger_config[2]) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_3,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_3,
reverse32(devc->trigger_mask[3])) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_3,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_3,
reverse32(devc->trigger_value[3])) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_3,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_3,
trigger_config[3]) != SR_OK)
return SR_ERR;
} else {
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_MASK_0,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0,
devc->trigger_mask[0]) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_VALUE_0,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0,
devc->trigger_value[0]) != SR_OK)
return SR_ERR;
- if (send_longcommand(devc->serial, CMD_SET_TRIGGER_CONFIG_0,
+ if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0,
0x00000008) != SR_OK)
return SR_ERR;
delaycount = readcount;
}
sr_info("Setting samplerate to %" PRIu64 "Hz (divider %u, "
- "demux %s)", devc->cur_samplerate, devc->cur_samplerate_divider,
- devc->flag_reg & FLAG_DEMUX ? "on" : "off");
- if (send_longcommand(devc->serial, CMD_SET_DIVIDER,
+ "demux %s, noise_filter %s)", devc->cur_samplerate,
+ devc->cur_samplerate_divider,
+ devc->flag_reg & FLAG_DEMUX ? "on" : "off",
+ devc->flag_reg & FLAG_FILTER ? "on": "off");
+ if (send_longcommand(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(devc->serial, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK)
+ if (send_longcommand(serial, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK)
return SR_ERR;
/* The flag register wants them here, and 1 means "disable channel". */
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)
+ if (send_longcommand(serial, CMD_SET_FLAGS, data) != SR_OK)
return SR_ERR;
/* Start acquisition on the device. */
- if (send_shortcommand(devc->serial, CMD_RUN) != SR_OK)
+ if (send_shortcommand(serial, CMD_RUN) != SR_OK)
return SR_ERR;
+ /* Reset all operational states. */
+ devc->num_transfers = devc->num_samples = devc->num_bytes = 0;
+ memset(devc->sample, 0, 4);
+
/* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
+ std_session_send_df_header(cb_data, LOG_PREFIX);
- sr_source_add(devc->serial->fd, G_IO_IN, -1, ols_receive_data,
- cb_data);
+ sr_source_add(serial->fd, G_IO_IN, -1, ols_receive_data, cb_data);
return SR_OK;
}
-/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
- /* Avoid compiler warnings. */
(void)cb_data;
abort_acquisition(sdi);
.name = "ols",
.longname = "Openbench Logic Sniffer",
.api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = hw_cleanup,
+ .init = init,
+ .cleanup = cleanup,
+ .scan = scan,
+ .dev_list = dev_list,
+ .dev_clear = dev_clear,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
+ .dev_open = dev_open,
+ .dev_close = dev_close,
+ .dev_acquisition_start = dev_acquisition_start,
+ .dev_acquisition_stop = dev_acquisition_stop,
.priv = NULL,
};
projects / libsigrok.git / blobdiff