Add _SET_ANALOG_READ_CMD command handler type and set_analog_read command handler.

Author: anecdata

adafruit_esp32spi/adafruit_esp32spi.py

@@ -101,6 +101,7 @@
 _SET_DIGITAL_WRITE_CMD = const(0x51)
 _SET_ANALOG_WRITE_CMD  = const(0x52)
 _SET_DIGITAL_READ_CMD  = const(0x53)
+_SET_ANALOG_READ_CMD   = const(0x54)
 
 _START_CMD             = const(0xE0)
 _END_CMD               = const(0xEE)
@@ -790,6 +791,19 @@ def set_digital_read(self, pin):
                                                ((pin,),))[0]
         return resp[0]
 
+    def set_analog_read(self, pin):
+        """
+        Get the analog input value of pin.
+
+        :param int pin: ESP32 GPIO pin to read from.
+        """
+        resp = self._send_command_get_response(_SET_ANALOG_READ_CMD,
+                                               ((pin,),))[0]
+        resp_a = struct.unpack('<i', resp[0])
+        if resp_a == (-1,):
+            raise ValueError("_SET_ANALOG_READ parameter error -1")
+        return resp_time
+
     def get_time(self):
         """The current unix timestamp"""
         if self.status == WL_CONNECTED: