BLAHAJ
/
libsigrok
10
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

kern-scale: Use software limit helpers 

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Lars-Peter Clausen 2016-05-01 13:52:50 +02:00 committed by Uwe Hermann
parent 9edb98982a
commit 7fc9dc31ac
3 changed files with 6 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/hardware/kern-scale/api.c
View File

@ -105,6 +105,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
sdi->vendor = g_strdup(scale->vendor);
sdi->model = g_strdup(scale->device);
devc = g_malloc0(sizeof(struct dev_context));
sr_sw_limits_init(&devc->limits);
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;
sdi->priv = devc;
@ -132,18 +133,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
if (!(devc = sdi->priv))
return SR_ERR_BUG;
switch (key) {
case SR_CONF_LIMIT_SAMPLES:
devc->limit_samples = g_variant_get_uint64(data);
break;
case SR_CONF_LIMIT_MSEC:
devc->limit_msec = g_variant_get_uint64(data);
break;
default:
return SR_ERR_NA;
}
return SR_OK;
return sr_sw_limits_config_set(&devc->limits, key, data);
}
static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
@ -184,9 +174,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
return SR_ERR;
/* Device replies with "A00\r\n" (OK) or "E01\r\n" (Error). Ignore. */
devc->num_samples = 0;
devc->starttime = g_get_monotonic_time();
sr_sw_limits_acquisition_start(&devc->limits);
std_session_send_df_header(sdi, LOG_PREFIX);
/* Poll every 50ms, or whenever some data comes in. */

17
src/hardware/kern-scale/protocol.c
View File

@ -54,7 +54,7 @@ static void handle_packet(const uint8_t *buf, struct sr_dev_inst *sdi,
packet.type = SR_DF_ANALOG_OLD;
packet.payload = &analog;
sr_session_send(sdi, &packet);
devc->num_samples++;
sr_sw_limits_update_samples_read(&devc->limits, 1);
}
}
@ -102,7 +102,6 @@ SR_PRIV int kern_scale_receive_data(int fd, int revents, void *cb_data)
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct scale_info *scale;
int64_t time;
void *info;
(void)fd;
@ -122,20 +121,8 @@ SR_PRIV int kern_scale_receive_data(int fd, int revents, void *cb_data)
g_free(info);
}
if (devc->limit_samples && devc->num_samples >= devc->limit_samples) {
sr_info("Requested number of samples reached.");
if (sr_sw_limits_check(&devc->limits))
sdi->driver->dev_acquisition_stop(sdi);
return TRUE;
}
if (devc->limit_msec) {
time = (g_get_monotonic_time() - devc->starttime) / 1000;
if (time > (int64_t)devc->limit_msec) {
sr_info("Requested time limit reached.");
sdi->driver->dev_acquisition_stop(sdi);
return TRUE;
}
}
return TRUE;
}

12
src/hardware/kern-scale/protocol.h
View File

@ -49,17 +49,7 @@ struct scale_info {
/** Private, per-device-instance driver context. */
struct dev_context {
/** The current sampling limit (in number of samples). */
uint64_t limit_samples;
/** The time limit (in milliseconds). */
uint64_t limit_msec;
/** The current number of already received samples. */
uint64_t num_samples;
/** The starting time of current sampling run. */
int64_t starttime;
struct sr_sw_limits limits;
uint8_t buf[SCALE_BUFSIZE];
int bufoffset;