[other]: OSError: buffer_init, vb config failed(-1610317806)

[CVmkbk]

Other

`# Camera Example

from media.camera import *
from media.display import *
from media.media import *
import time, os
import sys
def camera_test():
print("camera_test")
# use hdmi for display
display.init(LT9611_1920X1080_30FPS)
camera.sensor_init(CAM_DEV_ID_0, CAM_DEFAULT_SENSOR)
out_width = 640
out_height = 480
# set camera out width align up with 16Bytes
out_width = ALIGN_UP(out_width, 16)
# set chn0 output size
camera.set_outsize(CAM_DEV_ID_0, CAM_CHN_ID_0, out_width, out_height)
# set chn0 out format
camera.set_outfmt(CAM_DEV_ID_0, CAM_CHN_ID_0, PIXEL_FORMAT_YUV_SEMIPLANAR_420)
# create meida source device
meida_source = media_device(CAMERA_MOD_ID, CAM_DEV_ID_0, CAM_CHN_ID_0)
# create meida sink device
meida_sink = media_device(DISPLAY_MOD_ID, DISPLAY_DEV_ID, DISPLAY_CHN_VIDEO1)
# create meida link
media.create_link(meida_source, meida_sink)
# set display plane with video channel
display.set_plane(0, 0, out_width, out_height, PIXEL_FORMAT_YVU_PLANAR_420, DISPLAY_MIRROR_NONE, DISPLAY_CHN_VIDEO1)
# init meida buffer
media.buffer_init()
# start stream for camera device0
camera.start_stream(CAM_DEV_ID_0)
counts = 0 #
try:
while True:
os.exitpoint()
img = camera.capture_image(CAM_DEV_ID_0, CAM_CHN_ID_0)
img.compress_for_ide()
# release image for dev and chn
camera.release_image(CAM_DEV_ID_0, CAM_CHN_ID_0, img)
counts += 1 #
if counts == 40: #
break #
except KeyboardInterrupt as e:
print("user stop: ", e)
except BaseException as e:
sys.print_exception(e)
# stop stream for camera device0
camera.stop_stream(CAM_DEV_ID_0)
# deinit display
display.deinit()
# destroy media link
media.destroy_link(meida_source, meida_sink)
os.exitpoint(os.EXITPOINT_ENABLE_SLEEP)
time.sleep_ms(100)
# deinit media buffer
media.buffer_deinit()
if name == "main":
os.exitpoint(os.EXITPOINT_ENABLE)
camera_test()
camera_test() #`

以上代码是我在示例1的基础上加了两句代码，加的代码后面用#号标注。我就是想知道为什么我试图运行多次自定义的函数时会报错。固件版本为[CanMV-K230_micropython_v0.6_sdk_v1.5_nncase_v2.8.1.img.gz]，原示例1可以正常运行

[zhaohu5188]

你好，API有所改动，请使用最新的镜像和文档。
https://developer.canaan-creative.com/resource
https://developer.canaan-creative.com/k230_canmv/main/index.html

[kendryte747]

你好，请使用最新版本的固件，v1.2.1，目前已经修复在使用sensor和display出现该问题的情况。