A potentially better example for UART on the Pico

uart/uart.py

@@ -1,22 +1,13 @@
 from machine import UART, Pin
-from time import sleep_us
 
-class myUART(UART):
-    def readUntil(self, termination, maxlen=-1, includeTermination=True):
-        result = ''
-        while maxlen < 0 or len(result) < maxlen:
-            if self.any():
-                #print("here")
-                result += chr(self.read(1)[0])
-                #print(result)
-                if result.endswith(termination):
-                    if not includeTermination:
-                        result = result[:-len(termination)]
-                    break
-            sleep_us(10)
-        return result
+uart1 = UART(1, baudrate=9600, tx=Pin(8), rx=Pin(9), bits=8, parity=None, stop=1)
+uart1.write(b'UART on GPIO8&9 at 9600 baud\n\r')
 
-uart = myUART(0, baudrate=9600, tx=Pin(0), rx=Pin(1), bits=8, parity=None, stop=1)
+uart0 = UART(0)
+uart0.write(b'UART on GPIO0&1 at 115200 baud\n\r')
 
-uart.write("AT+GMR\r\n")
-print(uart.readUntil('OK',maxlen=-1, includeTermination=True))
+rxData = bytes()
+while uart0.any() > 0:
+    rxData += uart0.read(1)
+
+print(rxData)