m5/MicroPythonOS
0
0
Fork 0
mirror of https://github.com/m5stack/MicroPythonOS.git synced 2026-05-20 11:51:27 -07:00
Code Issues Packages Projects Releases Wiki Activity

Power off camera after boot and before deepsleep to conserve power

Browse Source
This commit is contained in:
Thomas Farstrike
2025-06-24 10:39:20 +02:00
parent 11590c2167
commit f9ee7a91cd
4 changed files with 51 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
internal_filesystem/apps/com.micropythonos.camera/assets/camera_app.py
+14
View File
@@ -138,6 +138,20 @@ class CameraApp(Activity):
webcam.deinit(self.cam)
elif self.cam:
self.cam.deinit()
# Power off, otherwise it keeps using a lot of current
try:
from machine import Pin, I2C
i2c = I2C(1, scl=Pin(16), sda=Pin(21)) # Adjust pins and frequency
#devices = i2c.scan()
#print([hex(addr) for addr in devices]) # finds it on 60 = 0x3C after init
camera_addr = 0x3C # for OV5640
reg_addr = 0x3008
reg_high = (reg_addr >> 8) & 0xFF # 0x30
reg_low = reg_addr & 0xFF # 0x08
power_off_command = 0x42 # Power off command
i2c.writeto(camera_addr, bytes([reg_high, reg_low, power_off_command]))
except Exception as e:
print(f"Warning: powering off camera got exception: {e}")
print("camera app cleanup done.")
def set_image_size(self):