add pico u2if

adafruit_platformdetect/board.py

@@ -151,6 +151,8 @@ class Board:
             board_id = self._stm32mp1_id()
         elif chip_id == chips.MT8167:
             board_id = boards.CORAL_EDGE_TPU_DEV_MINI
+        elif chip_id == chips.PICO_U2IF:
+            board_id = boards.PICO_U2IF
 
         self._board_id = board_id
         return board_id
@@ -559,6 +561,11 @@ class Board:
         """Check whether the current board is a Microchip MCP2221."""
         return self.id == boards.MICROCHIP_MCP2221
 
+    @property
+    def pico_u2if(self):
+        """Check whether the current board is a RPi Pico w/ u2if."""
+        return self.id == boards.PICO_U2IF
+
     @property
     def binho_nova(self):
         """Check whether the current board is an BINHO NOVA."""

adafruit_platformdetect/chip.py

@@ -107,6 +107,18 @@ class Chip:
                 "BLINKA_MCP2221 environment variable "
                 + "set, but no MCP2221 device found"
             )
+        if os.environ.get("BLINKA_PICO_U2IF"):
+            import hid
+
+            # look for it based on PID/VID
+            for dev in hid.enumerate():
+                if dev["vendor_id"] == 0xCAFE and dev["product_id"] == 0x4005:
+                    self._chip_id = chips.PICO_U2IF
+                    return self._chip_id
+            raise RuntimeError(
+                "BLINKA_PICO_U2IF environment variable "
+                + "set, but no Pico device found"
+            )
         if os.environ.get("BLINKA_GREATFET"):
             import usb
 

adafruit_platformdetect/constants/boards.py

@@ -111,6 +111,10 @@ SIFIVE_UNLEASHED = "SIFIVE_UNLEASHED"
 
 MICROCHIP_MCP2221 = "MICROCHIP_MCP2221"
 
+# Raspberry Pi Pico with u2if firmware
+# https://github.com/execuc/u2if
+PICO_U2IF = "PICO_U2IF"
+
 BINHO_NOVA = "BINHO_NOVA"
 
 ONION_OMEGA = "ONION_OMEGA"

adafruit_platformdetect/constants/chips.py

@@ -42,5 +42,6 @@ STM32F405 = "STM32F405"
 STM32MP157 = "STM32MP157"
 MT8167 = "MT8167"
 ATOM_X5_Z8350 = "X5-Z8350"
+PICO_U2IF = "PICO_U2IF"
 
 BCM_RANGE = {"BCM2708", "BCM2709", "BCM2711", "BCM2835", "BCM2837"}

bin/detect.py

@@ -33,7 +33,8 @@ print(
     | detector.board.FTDI_FT2232H
     | detector.board.MICROCHIP_MCP2221
     | detector.board.BINHO_NOVA
-    | detector.board.GREATFET_ONE,
+    | detector.board.GREATFET_ONE
+    | detector.board.PICO_U2IF,
 )
 
 if detector.board.any_raspberry_pi: