Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

OLS Improvements #51

Draft
wants to merge 20 commits into
base: master
Choose a base branch
from
Draft

OLS Improvements #51

Show file tree
Hide file tree
Changes from 10 commits
Commits
Show all changes
20 commits
Select commit Hold shift + click to select a range
8ea06d6
ols: Clean up: Obey code style
v1ne Jan 23, 2021
e5dc9e6
ols: Provide sample count in RLE mode
v1ne Feb 23, 2021
86bf1d5
ols: Don't store temporary data in device context
v1ne Feb 23, 2021
fd87a59
ols: Don't silently ignore error when setting up the device
v1ne Feb 23, 2021
23f9047
ols: Fix demuxer operation
v1ne Feb 23, 2021
b3ef78e
ols: Fix off-by-one when setting up trigger stages
v1ne Feb 23, 2021
6621a22
ols: Adjust pre-trigger delay
v1ne Feb 23, 2021
c67f087
ols: Flip samples after reading everything
v1ne Feb 23, 2021
f05c040
ols: Use a dynamic sample buffer
v1ne Feb 23, 2021
84d6e00
ols: Be more robust against short reads
v1ne Feb 23, 2021
72fae1a
ols: Make resetting more robust, reset at the end
v1ne Feb 23, 2021
7fc0db4
ols: Clean up: Rename variables, remove misleading counter
v1ne Feb 23, 2021
3a39f13
ols: Clean up: Always keep sample_buf_size up to date
v1ne Feb 23, 2021
05e39c5
ols: Communicate internally that the number of samples is a multiple …
v1ne Feb 23, 2021
1a2437b
ols: Immediately process data after expected sample count
v1ne Feb 23, 2021
e068d80
ols: Receive many bytes in a row
v1ne Feb 23, 2021
fadfd5e
ols: Capture multiple bytes at once
v1ne Feb 23, 2021
e58ecb2
ols: Determine the right trigger point when using RLE
v1ne Feb 23, 2021
6af1de2
ols: Support Demon Core RLE mode 3
v1ne Feb 23, 2021
5696a4d
ols: Add support for advanced triggers
v1ne Feb 23, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
50 changes: 27 additions & 23 deletions src/hardware/openbench-logic-sniffer/api.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -48,9 +48,9 @@ static const int32_t trigger_matches[] = {
SR_TRIGGER_ONE,
};

static const char* external_clock_edges[] = {
"rising", // positive edge
"falling" // negative edge
static const char *external_clock_edges[] = {
"rising", /* positive edge */
"falling" /* negative edge */
};

v1ne marked this conversation as resolved.
Show resolved Hide resolved
#define STR_PATTERN_NONE "None"
Expand Down Expand Up @@ -146,7 +146,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
return NULL;
}

num_read = serial_read_blocking(serial, buf, 4, serial_timeout(serial, 4));
num_read =
serial_read_blocking(serial, buf, 4, serial_timeout(serial, 4));
if (num_read < 0) {
sr_err("Getting ID reply failed (%d).", num_read);
return NULL;
Expand Down Expand Up @@ -181,13 +182,13 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
sdi->version = g_strdup("v1.0");
for (i = 0; i < ARRAY_SIZE(ols_channel_names); i++)
sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
ols_channel_names[i]);
ols_channel_names[i]);
sdi->priv = ols_dev_new();
}
/* Configure samplerate and divider. */
if (ols_set_samplerate(sdi, DEFAULT_SAMPLERATE) != SR_OK)
sr_dbg("Failed to set default samplerate (%"PRIu64").",
DEFAULT_SAMPLERATE);
sr_dbg("Failed to set default samplerate (%" PRIu64 ").",
DEFAULT_SAMPLERATE);
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;

Expand All @@ -197,7 +198,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
}

static int config_get(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
struct dev_context *devc;

Expand Down Expand Up @@ -227,15 +229,18 @@ static int config_get(uint32_t key, GVariant **data,
*data = g_variant_new_string(STR_PATTERN_NONE);
break;
case SR_CONF_RLE:
*data = g_variant_new_boolean(devc->capture_flags & CAPTURE_FLAG_RLE ? TRUE : FALSE);
*data = g_variant_new_boolean(
devc->capture_flags & CAPTURE_FLAG_RLE ? TRUE : FALSE);
break;
case SR_CONF_EXTERNAL_CLOCK:
*data = g_variant_new_boolean(
devc->capture_flags & CAPTURE_FLAG_CLOCK_EXTERNAL ? TRUE : FALSE);
devc->capture_flags & CAPTURE_FLAG_CLOCK_EXTERNAL
? TRUE : FALSE);
break;
case SR_CONF_CLOCK_EDGE:
*data = g_variant_new_string(external_clock_edges[
devc->capture_flags & CAPTURE_FLAG_INVERT_EXT_CLOCK ? 1 : 0]);
devc->capture_flags & CAPTURE_FLAG_INVERT_EXT_CLOCK
? 1 : 0]);
break;
default:
return SR_ERR_NA;
Expand All @@ -245,7 +250,8 @@ static int config_get(uint32_t key, GVariant **data,
}

static int config_set(uint32_t key, GVariant *data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
struct dev_context *devc;
uint16_t flag;
Expand Down Expand Up @@ -334,15 +340,17 @@ static int config_set(uint32_t key, GVariant *data,
}

static int config_list(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
struct dev_context *devc;
int num_ols_changrp, i;

switch (key) {
case SR_CONF_SCAN_OPTIONS:
case SR_CONF_DEVICE_OPTIONS:
return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts,
devopts);
case SR_CONF_SAMPLERATE:
*data = std_gvar_samplerates_steps(ARRAY_AND_SIZE(samplerates));
break;
Expand All @@ -359,8 +367,6 @@ static int config_list(uint32_t key, GVariant **data,
if (!sdi)
return SR_ERR_ARG;
devc = sdi->priv;
if (devc->capture_flags & CAPTURE_FLAG_RLE)
return SR_ERR_NA;
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Makes sense to me!

if (devc->max_samples == 0)
/* Device didn't specify sample memory size in metadata. */
return SR_ERR_NA;
Expand All @@ -375,8 +381,8 @@ static int config_list(uint32_t key, GVariant **data,
num_ols_changrp++;
}

*data = std_gvar_tuple_u64(MIN_NUM_SAMPLES,
(num_ols_changrp) ? devc->max_samples / num_ols_changrp : MIN_NUM_SAMPLES);
*data = std_gvar_tuple_u64(MIN_NUM_SAMPLES, (num_ols_changrp)
? devc->max_samples / num_ols_changrp : MIN_NUM_SAMPLES);
break;
default:
return SR_ERR_NA;
Expand All @@ -403,7 +409,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
return SR_ERR;

/* Reset all operational states. */
devc->rle_count = devc->num_transfers = 0;
devc->rle_count = devc->raw_sample_buf_size = 0;
devc->num_samples = devc->num_bytes = 0;
devc->cnt_bytes = devc->cnt_samples = devc->cnt_samples_rle = 0;
memset(devc->sample, 0, 4);
Expand All @@ -413,10 +419,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
/* If the device stops sending for longer than it takes to send a byte,
* that means it's finished. But wait at least 100 ms to be safe.
*/
serial_source_add(sdi->session, serial, G_IO_IN, 100,
ols_receive_data, (struct sr_dev_inst *)sdi);

return SR_OK;
return serial_source_add(sdi->session, serial, G_IO_IN, 100,
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I was thinking if this could regress somehow, but I think this is just better :)

ols_receive_data, (struct sr_dev_inst *)sdi);
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
Expand Down
Loading