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dso loop

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This commit is contained in:
yunyaobaihong
2023-05-04 13:57:29 +08:00
parent 8a7bece0ca
commit 907421f57f
2 changed files with 47 additions and 22 deletions
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68
libsigrok4DSL/hardware/demo/demo.c
View File

@@ -562,6 +562,7 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
sdi->status = SR_ST_ACTIVE;
packet_interval = g_timer_new();
run_time = g_timer_new();
//这个可以再看下怎么改
init_random_data(vdev);
@@ -608,6 +609,10 @@ static int hw_dev_close(struct sr_dev_inst *sdi)
g_safe_free(vdev->analog_buf);
g_safe_free(sdi->path);
//不释放也可以?
// g_timer_destroy(packet_interval);
// g_timer_destroy(run_time);
sdi->status = SR_ST_INACTIVE;
return SR_OK;
}
@@ -920,6 +925,8 @@ static int config_set(int id, GVariant *data, struct sr_dev_inst *sdi,
break;
case SR_CONF_TIMEBASE:
vdev->timebase = g_variant_get_uint64(data);
if(sdi->mode == DSO)
g_timer_start(run_time);
sr_dbg("Setting timebase to %llu.", vdev->timebase);
break;
case SR_CONF_PROBE_COUPLING:
@@ -1174,6 +1181,7 @@ static int hw_dev_acquisition_start(struct sr_dev_inst *sdi,
is_first = TRUE;
vdiv_change = TRUE;
packet_time = 1/(double)200;
g_timer_start(run_time);
sr_session_source_add(-1, 0, 0, receive_data_dso, sdi);
}
else if(sdi->mode == ANALOG)
@@ -1197,9 +1205,11 @@ static int hw_dev_acquisition_start(struct sr_dev_inst *sdi,
}
packet_time = 1/(double)22;
}
vdev->analog_buf_len = 0;
vdev->analog_read_pos = 0;
g_timer_start(run_time);
sr_session_source_add(-1, 0, 0, receive_data_analog, sdi);
}
@@ -1918,32 +1928,46 @@ static int receive_data_dso(int fd, int revents, const struct sr_dev_inst *sdi)
vdiv_change = FALSE;
}
//数据循环
uint8_t top0;
uint8_t top1;
if(cur_sample_generator == PATTERN_RANDOM)
{
top0 = *((uint8_t*)pack_buffer->post_buf + pack_buffer->post_buf_len -2);
top1 = *((uint8_t*)pack_buffer->post_buf + pack_buffer->post_buf_len -1);
}
else
{
top0 = *((uint8_t*)pack_buffer->post_buf + 198);
top1 = *((uint8_t*)pack_buffer->post_buf + 199);
}
//计算时间
gdouble total_time = vdev->timebase /(gdouble)SR_SEC(1)*(gdouble)10;
gdouble total_time_elapsed = g_timer_elapsed(run_time, NULL);
if (total_time_elapsed < total_time && !instant)
{
gdouble percent = total_time_elapsed / total_time;
int buf_len = percent* 20000;
if(buf_len %2 != 0)
buf_len -=1;
pack_buffer->post_len = buf_len;
}
else
{
//数据循环
uint8_t top0;
uint8_t top1;
if(cur_sample_generator == PATTERN_RANDOM)
{
top0 = *((uint8_t*)pack_buffer->post_buf + pack_buffer->post_buf_len -2);
top1 = *((uint8_t*)pack_buffer->post_buf + pack_buffer->post_buf_len -1);
}
else
{
top0 = *((uint8_t*)pack_buffer->post_buf + 198);
top1 = *((uint8_t*)pack_buffer->post_buf + 199);
}
for(int i = pack_buffer->post_len -1; i > 1; i -= 2){
*((uint8_t*)pack_buffer->post_buf + i) = *((uint8_t*)pack_buffer->post_buf + i - 2);
}
for(int i = pack_buffer->post_len -1; i > 1; i -= 2){
*((uint8_t*)pack_buffer->post_buf + i) = *((uint8_t*)pack_buffer->post_buf + i - 2);
}
for(int i = pack_buffer->post_len -2; i > 0; i -= 2){
*((uint8_t*)pack_buffer->post_buf + i) = *((uint8_t*)pack_buffer->post_buf + i - 2);
}
*(uint8_t*)pack_buffer->post_buf = top0;
*((uint8_t*)pack_buffer->post_buf + 1)= top1;
for(int i = pack_buffer->post_len -2; i > 0; i -= 2){
*((uint8_t*)pack_buffer->post_buf + i) = *((uint8_t*)pack_buffer->post_buf + i - 2);
}
*(uint8_t*)pack_buffer->post_buf = top0;
*((uint8_t*)pack_buffer->post_buf + 1)= top1;
pack_buffer->post_len = 20000;
}
if (pack_buffer->post_len >= byte_align * chan_num)
{

1
libsigrok4DSL/hardware/demo/demo.h
View File

@@ -48,6 +48,7 @@ static uint64_t samplerates_file[1];
static uint64_t samplecounts_file[1];
//定时器
static GTimer *packet_interval = NULL;
static GTimer *run_time = NULL;
//首次开启
static gboolean is_first = TRUE;
static gboolean is_change = FALSE;