Added pause parameter to Image_Reader

This commit is contained in:
StuartBox 2020-10-30 04:14:18 -07:00
parent 4dcc74cd25
commit 6e84c06091
3 changed files with 12 additions and 6 deletions

View File

@ -5,6 +5,9 @@
# This example shows how to use the Image Reader object to replay snapshots of what your
# OpenMV Cam saw saved by the Image Writer object for testing machine vision algorithms.
# Altered to allow full speed reading from SD card for extraction of sequences to the network etc.
# Set the new pause parameter to false
import sensor, image, time
snapshot_source = False # Set to true once finished to pull data from sensor.
@ -19,7 +22,7 @@ img_reader = None if snapshot_source else image.ImageReader("/stream.bin")
while(True):
clock.tick()
img = sensor.snapshot() if snapshot_source else img_reader.next_frame(copy_to_fb=True, loop=True)
img = sensor.snapshot() if snapshot_source else img_reader.next_frame(copy_to_fb=True, loop=True, pause=True)
# Do machine vision algorithms on the image here.
print(clock.fps())

View File

@ -6825,12 +6825,14 @@ mp_obj_t py_imagereader_next_frame(uint n_args, const mp_obj_t *args, mp_map_t *
read_long(fp, &ms_tmp);
uint32_t ms; // Wait for elapsed ms.
for (ms = systick_current_millis();
((ms - ((py_imagewriter_obj_t *) args[0])->ms) < ms_tmp);
ms = systick_current_millis()) {
__WFI();
ms = 0;
if (!py_helper_keyword_int(n_args, args, 3, kw_args, MP_OBJ_NEW_QSTR(MP_QSTR_pause), true)) {
for (ms = systick_current_millis();
((ms - ((py_imagewriter_obj_t *) args[0])->ms) < ms_tmp);
ms = systick_current_millis()) {
__WFI();
}
}
((py_imagewriter_obj_t *) args[0])->ms = ms;
image_t image = {0};

View File

@ -1182,6 +1182,7 @@ Q(next_frame)
// duplicate Q(copy_to_fb)
// duplicate Q(loop)
// duplicate Q(close)
Q(pause)
// FIR Module
Q(fir)