Add support for SPIDriver, controlled by env var BLINKA_SPIDRIVER

Author: jamesbowman

adafruit_platformdetect/board.py

@@ -121,6 +121,8 @@ def id(self) -> Optional[str]:
             board_id = boards.FTDI_FT2232H
         elif chip_id == chips.FT4232H:
             board_id = boards.FTDI_FT4232H
+        elif chip_id == chips.SPIDRIVER:
+            board_id = boards.EXCAMERA_SPIDRIVER
         elif chip_id == chips.APQ8016:
             board_id = boards.DRAGONBOARD_410C
         elif chip_id in (chips.T210, chips.T186, chips.T194, chips.T234, chips.T264):
@@ -1298,6 +1300,11 @@ def ftdi_ft2232h(self) -> bool:
         """Check whether the current board is an FTDI FT2232H."""
         return self.id == boards.FTDI_FT2232H
 
+    @property
+    def excamera_spidriver(self) -> bool:
+        """Check whether the current board is an Excamera SPIDriver."""
+        return self.id == boards.EXCAMERA_SPIDRIVER
+
     @property
     def ftdi_ft4232h(self) -> bool:
         """Check whether the current board is an FTDI FT4232H."""

adafruit_platformdetect/chip.py

@@ -108,6 +108,9 @@ def id(
                     "BLINKA_MCP2221 environment variable "
                     + "set, but no MCP2221 device found"
                 )
+            if os.environ.get("BLINKA_SPIDRIVER"):
+                self._chip_id = chips.SPIDRIVER
+                return self._chip_id
             if os.environ.get("BLINKA_OS_AGNOSTIC"):
                 # we don't need to look for this chip, it's just a flag
                 self._chip_id = chips.OS_AGNOSTIC

adafruit_platformdetect/constants/boards.py

@@ -172,6 +172,9 @@
 FTDI_FT4232H = "FTDI_FT4232H"
 DRAGONBOARD_410C = "DRAGONBOARD_410C"
 
+EXCAMERA_SPIDRIVER = "EXCAMERA_SPIDRIVER"
+EXCAMERA_I2CDRIVER = "EXCAMERA_I2CDRIVER"
+
 SIFIVE_UNLEASHED = "SIFIVE_UNLEASHED"
 
 ALLWINER_D1 = "ALLWINER_D1"

adafruit_platformdetect/constants/chips.py

@@ -40,6 +40,8 @@
 FT232H = "FT232H"
 FT2232H = "FT2232H"
 FT4232H = "FT4232H"
+SPIDRIVER = "SPIDRIVER"
+I2CDRIVER = "I2CDRIVER"
 HFU540 = "HFU540"
 C906 = "C906"
 JH71X0 = "JH71X0"