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--- tina2:octoprint [2023/01/31 14:50]
mao
+++ tina2:octoprint [2023/09/07 14:28] (current)
caojie
@@ Line 47: / Line 47: @@
   wget http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/raspberrypi-kernel-headers_1.20201126-1_armhf.deb
 （If your Linux kernel version is not 5.4.79, download the corresponding one from http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/ ; \\
-Use this command to check which version of your Linux kernel: **uname -r**）\\
+Use this command to check which version of your Linux kernel is: **uname -r**）\\
 \\
 Install the header file :
@@ Line 67: / Line 67: @@
 {{:octoprint:7copy.png?400|}}
-====5.Change OctoPrint source file===
+====5.Change OctoPrint source file====
 ===a)Test Connection===
 {{:octoprint:tina2-octoprint-test-connected.png?600|}}\\
@@ Line 81: / Line 81: @@
 If your python version is not python3.7, just replace "python3.7" with your real version.\\
 Write this code after opening the serial port and save it:
-  time.sleep(0.5)
+  #set default
   serial_obj.setDTR(False)
   serial_obj.setRTS(False)
+  serial_obj.oopen()
+  # force reboot printer
+  time.sleep(0.1)
+  serial_obj.setDTR(True)
+  serial_obj.setRTS(True)
+  time.sleep(1)
+  serial_obj.setDTR(False)
+  serial_obj.setRTS(False)
+  # wait
+  time.sleep(3)
 (**Be careful**, the OctoPrint source file uses spaces as indent.)
-{{:octoprint:tina2-octoprint-change-py.png?400|}}\\
+{{:octoprint:tina2-octoprint-change-py.png}}\\
 ====6.Reboot your Raspberry Pi and Connect the printer with its baud rate====
@@ Line 127: / Line 137: @@
 {{:octoprint:7copy.png?400|}}
-====3.Change OctoPrint source file===
+====3.Change OctoPrint source file====
 ===a)Test Connection===
 {{:octoprint:tina2-octoprint-test-connected.png?600|}}\\

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