X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/03c4bc1d41655d8e73ff89039b2a8ec34b3649ca..3b01699d1e09bc494656bae583d1f70b35d8975e:/src/adafruit_blinka/microcontroller/rp2040_u2if/rp2040_u2if.py

diff --git a/src/adafruit_blinka/microcontroller/rp2040_u2if/rp2040_u2if.py b/src/adafruit_blinka/microcontroller/rp2040_u2if/rp2040_u2if.py
index 96a06b4..e5198a1 100644
--- a/src/adafruit_blinka/microcontroller/rp2040_u2if/rp2040_u2if.py
+++ b/src/adafruit_blinka/microcontroller/rp2040_u2if/rp2040_u2if.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
 """Helper class for use with RP2040 running u2if firmware"""
 # https://github.com/execuc/u2if
 
@@ -68,22 +71,15 @@ class RP2040_u2if:
     PWM_GET_DUTY_NS = 0x37
 
     def __init__(self):
+        self._vid = None
+        self._pid = None
+        self._hid = None
         self._opened = False
         self._i2c_index = None
         self._spi_index = None
         self._serial = None
         self._neopixel_initialized = False
-        # self._vid = vid
-        # self._pid = pid
-        # self._hid = hid.device()
-        # self._hid.open(self._vid, self._pid)
-        # if RP2040_U2IF_RESET_DELAY >= 0:
-        #     self._reset()
-        # self._i2c_index = None
-        # self._spi_index = None
-        # self._serial = None
-        # self._neopixel_initialized = False
-        # self._uart_rx_buffer = None
+        self._uart_rx_buffer = None
 
     def _hid_xfer(self, report, response=True):
         """Perform HID Transfer"""
@@ -98,6 +94,7 @@ class RP2040_u2if:
 
     def _reset(self):
         self._hid_xfer(bytes([self.SYS_RESET]), False)
+        self._hid.close()
         time.sleep(RP2040_U2IF_RESET_DELAY)
         start = time.monotonic()
         while time.monotonic() - start < 5:
@@ -113,6 +110,8 @@ class RP2040_u2if:
     # MISC
     # ----------------------------------------------------------------
     def open(self, vid, pid):
+        """Open HID interface for given USB VID and PID."""
+
         if self._opened:
             return
         self._vid = vid
@@ -277,7 +276,7 @@ class RP2040_u2if:
         out_start=0,
         out_end=None,
         in_start=0,
-        in_end=None
+        in_end=None,
     ):
         """Write data from buffer_out to an address and then
         read data from an address and into buffer_in
@@ -370,7 +369,7 @@ class RP2040_u2if:
         out_start=0,
         out_end=None,
         in_start=0,
-        in_end=None
+        in_end=None,
     ):
         """SPI write and readinto."""
         raise NotImplementedError("SPI write_readinto Not implemented")