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Add sensor.flush()
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@ -27,6 +27,11 @@ static mp_obj_t py_sensor_reset() {
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return mp_const_none;
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}
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static mp_obj_t py_sensor_flush() {
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fb_update_jpeg_buffer();
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return mp_const_none;
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}
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/*
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* Filter functions bypass the default line processing in sensor.c, and pre-process lines before anything else.
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* Processing is done on the fly, i.e. line filters are called from sensor_snapshot after each line is readout.
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@ -361,6 +366,7 @@ static mp_obj_t py_sensor_read_reg(mp_obj_t addr) {
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//}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(py_sensor_reset_obj, py_sensor_reset);
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(py_sensor_flush_obj, py_sensor_flush);
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(py_sensor_snapshot_obj, 0, py_sensor_snapshot);
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(py_sensor_skip_frames_obj, 0, py_sensor_skip_frames);
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(py_sensor_width_obj, py_sensor_width);
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@ -438,6 +444,7 @@ STATIC const mp_map_elem_t globals_dict_table[] = {
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// Sensor functions
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{ MP_OBJ_NEW_QSTR(MP_QSTR_reset), (mp_obj_t)&py_sensor_reset_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_flush), (mp_obj_t)&py_sensor_flush_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_snapshot), (mp_obj_t)&py_sensor_snapshot_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_skip_frames), (mp_obj_t)&py_sensor_skip_frames_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_width), (mp_obj_t)&py_sensor_width_obj },
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@ -208,6 +208,7 @@ Q(NORMAL)
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Q(NEGATIVE)
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Q(reset)
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Q(flush)
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Q(snapshot)
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Q(skip_frames)
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Q(get_fb)
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@ -2,7 +2,7 @@
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#
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# This example shows how to load and copy an image to framebuffer for testing.
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import sensor, image
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import sensor, image, time
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# Still need to init sensor
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sensor.reset()
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@ -15,10 +15,13 @@ sensor.set_framesize(sensor.QQVGA)
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sensor.set_pixformat(sensor.GRAYSCALE)
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# Load image
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img = image.Image("/image.pgm", copy_to_fb=True)
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img = image.Image("/example.bmp", copy_to_fb=True)
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# Add drawing code here.
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# img.draw_line(...)
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# Flush FB
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sensor.snapshot()
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sensor.flush()
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# Add a small delay to allow the IDE to read the flushed image.
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time.sleep(100)
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