printer

main.py

@@ -141,7 +141,11 @@ def process_message(msg, display, image_state, image_data_list, printer_uart=Non
             
         elif image_state == PRINTER_STATE_RECEIVING:
             if printer_uart:
-                printer_uart.write(msg)
+                chunk_size = 128
+                for i in range(0, len(msg), chunk_size):
+                    chunk = msg[i:i+chunk_size]
+                    printer_uart.write(chunk)
+                    time.sleep_ms(5)
             return image_state, None
             
         return image_state, None
@@ -165,6 +169,9 @@ def process_message(msg, display, image_state, image_data_list, printer_uart=Non
 
     elif msg == "PRINTER_DATA_END":
         print("Printer data received completely")
+        # 发送打印完成的回车
+        if printer_uart:
+            printer_uart.write(b'\r\n')
         return IMAGE_STATE_IDLE, ("printer_done",)
     
     elif msg.startswith("STATUS:"):

websocket_server/convert_img.py

@@ -77,12 +77,14 @@ def image_to_tspl_commands(image_path):
     cmds = bytearray()
     
     # 1. 初始化
+    # CLS
+    cmds.extend(b"CLS\r\n")
     # SIZE 48 mm, 30 mm
     cmds.extend(b"SIZE 48 mm, 30 mm\r\n")
     # GAP 2 mm, 0 mm
     cmds.extend(b"GAP 2 mm, 0 mm\r\n")
-    # CLS
+    # HOME
-    cmds.extend(b"CLS\r\n")
+    cmds.extend(b"HOME\r\n")
     
     # 2. BITMAP
     # BITMAP x, y, width_bytes, height, mode, data

websocket_server/server.py

@@ -15,7 +15,8 @@ from dashscope import ImageSynthesis
 from dashscope import Generation
 
 import sys
-sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+# import os
+# sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 import convert_img
 
 # 加载环境变量