adafruit · tannewt · Dec 2, 2020 · Oct 25, 2020 · Oct 25, 2020 · Oct 26, 2020
diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
@@ -498,7 +498,8 @@ msgstr ""
 msgid "Buffer must be a multiple of 512 bytes"
 msgstr ""
 
-#: shared-bindings/bitbangio/I2C.c shared-bindings/busio/I2C.c
+#: shared-bindings/bitbangio/I2C.c shared-bindings/busdevice/I2CDevice.c
+#: shared-bindings/busio/I2C.c
 msgid "Buffer must be at least length 1"
 msgstr ""
 
@@ -1287,6 +1288,11 @@ msgstr ""
 msgid "No DMA channel found"
 msgstr ""
 
+#: shared-module/busdevice/I2CDevice.c
+#, c-format
+msgid "No I2C device at address: %x"
+msgstr ""
+
 #: ports/esp32s2/common-hal/busio/SPI.c ports/mimxrt10xx/common-hal/busio/SPI.c
 #: ports/stm/common-hal/busio/SPI.c
 msgid "No MISO Pin"

diff --git a/ports/atmel-samd/boards/8086_commander/mpconfigboard.mk b/ports/atmel-samd/boards/8086_commander/mpconfigboard.mk
@@ -21,7 +21,6 @@ CFLAGS_INLINE_LIMIT = 60
 CIRCUITPY_GAMEPAD = 1
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_HID
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD
 #FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_ADXL34x
diff --git a/ports/atmel-samd/boards/bdmicro_vina_d21/mpconfigboard.mk b/ports/atmel-samd/boards/bdmicro_vina_d21/mpconfigboard.mk
@@ -15,6 +15,7 @@ CIRCUITPY_BITBANGIO = 0
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
 CIRCUITPY_VECTORIO = 0
+CIRCUITPY_BUSDEVICE = 0
 
 CFLAGS_INLINE_LIMIT = 60
 SUPEROPT_GC = 0

diff --git a/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk b/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk
@@ -21,7 +21,6 @@ SUPEROPT_GC = 0
 CFLAGS_INLINE_LIMIT = 55
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_CircuitPlayground
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_HID
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_LIS3DH

diff --git a/ports/atmel-samd/boards/circuitplayground_express_crickit/mpconfigboard.mk b/ports/atmel-samd/boards/circuitplayground_express_crickit/mpconfigboard.mk
@@ -25,7 +25,6 @@ CFLAGS_INLINE_LIMIT = 50
 
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_CircuitPlayground
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Crickit
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_LIS3DH

diff --git a/ports/atmel-samd/boards/circuitplayground_express_displayio/mpconfigboard.mk b/ports/atmel-samd/boards/circuitplayground_express_displayio/mpconfigboard.mk
@@ -26,7 +26,6 @@ SUPEROPT_GC = 0
 CFLAGS_INLINE_LIMIT = 55
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_CircuitPlayground
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_LIS3DH
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel

diff --git a/ports/atmel-samd/boards/dynossat_edu_eps/mpconfigboard.mk b/ports/atmel-samd/boards/dynossat_edu_eps/mpconfigboard.mk
@@ -18,6 +18,7 @@ CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_I2CPERIPHERAL = 1
 CIRCUITPY_VECTORIO = 0
+CIRCUITPY_BUSDEVICE = 0
 CIRCUITPY_DISPLAYIO = 0
 CIRCUITPY_TOUCHIO = 0
 CIRCUITPY_ROTARYIO = 0

diff --git a/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk
@@ -16,6 +16,7 @@ CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
 CIRCUITPY_VECTORIO = 0
+CIRCUITPY_BUSDEVICE = 0
 
 CFLAGS_INLINE_LIMIT = 60
 SUPEROPT_GC = 0

diff --git a/ports/atmel-samd/boards/feather_m0_express_crickit/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_express_crickit/mpconfigboard.mk
@@ -20,7 +20,6 @@ CIRCUITPY_GAMEPAD = 0
 CFLAGS_INLINE_LIMIT = 50
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Crickit
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Motor
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel

diff --git a/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk
@@ -27,5 +27,4 @@ CFLAGS_INLINE_LIMIT = 35
 SUPEROPT_GC = 0
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_RFM69
diff --git a/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk
@@ -28,5 +28,4 @@ CFLAGS_INLINE_LIMIT = 35
 SUPEROPT_GC = 0
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_RFM9x
diff --git a/ports/atmel-samd/boards/feather_m0_supersized/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_supersized/mpconfigboard.mk
@@ -17,6 +17,7 @@ CIRCUITPY_COUNTIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
 # supersized, not ultra-supersized
 CIRCUITPY_VECTORIO = 0
+CIRCUITPY_BUSDEVICE = 0
 
 CFLAGS_INLINE_LIMIT = 60
 SUPEROPT_GC = 0

diff --git a/ports/atmel-samd/boards/hallowing_m0_express/mpconfigboard.mk b/ports/atmel-samd/boards/hallowing_m0_express/mpconfigboard.mk
@@ -27,7 +27,6 @@ CFLAGS_INLINE_LIMIT = 55
 SUPEROPT_GC = 0
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_LIS3DH
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel
 

diff --git a/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.mk b/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.mk
@@ -15,6 +15,7 @@ CIRCUITPY_BITBANGIO = 0
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
 CIRCUITPY_VECTORIO = 0
+CIRCUITPY_BUSDEVICE = 0
 
 CFLAGS_INLINE_LIMIT = 60
 SUPEROPT_GC = 0

diff --git a/ports/atmel-samd/boards/pycubed/mpconfigboard.mk b/ports/atmel-samd/boards/pycubed/mpconfigboard.mk
@@ -21,7 +21,6 @@ CIRCUITPY_GAMEPAD = 0
 CIRCUITPY_RGBMATRIX = 0
 CIRCUITPY_PS2IO = 0
 
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Register
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD
diff --git a/ports/atmel-samd/boards/pycubed_mram/mpconfigboard.mk b/ports/atmel-samd/boards/pycubed_mram/mpconfigboard.mk
@@ -21,7 +21,6 @@ CIRCUITPY_GAMEPAD = 0
 CIRCUITPY_RGBMATRIX = 0
 CIRCUITPY_PS2IO = 0
 
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Register
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD
diff --git a/ports/atmel-samd/boards/sam32/mpconfigboard.mk b/ports/atmel-samd/boards/sam32/mpconfigboard.mk
@@ -13,5 +13,4 @@ LONGINT_IMPL = MPZ
 CIRCUITPY_AUDIOBUSIO = 0
 CIRCUITPY_USTACK = 1
 
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel
diff --git a/ports/atmel-samd/boards/snekboard/mpconfigboard.mk b/ports/atmel-samd/boards/snekboard/mpconfigboard.mk
@@ -15,6 +15,7 @@ CIRCUITPY_BITBANGIO = 0
 CIRCUITPY_GAMEPAD = 0
 CIRCUITPY_I2CPERIPHERAL = 0
 CIRCUITPY_VECTORIO = 0
+CIRCUITPY_BUSDEVICE = 0
 
 CFLAGS_INLINE_LIMIT = 60
 

diff --git a/ports/atmel-samd/boards/sparkfun_redboard_turbo/mpconfigboard.mk b/ports/atmel-samd/boards/sparkfun_redboard_turbo/mpconfigboard.mk
@@ -16,6 +16,7 @@ CIRCUITPY_COUNTIO = 0
 CIRCUITPY_GAMEPAD = 0
 CIRCUITPY_I2CPERIPHERAL = 0
 CIRCUITPY_VECTORIO = 0
+CIRCUITPY_BUSDEVICE = 0
 
 CFLAGS_INLINE_LIMIT = 60
 SUPEROPT_GC = 0

diff --git a/ports/atmel-samd/boards/xinabox_cc03/mpconfigboard.mk b/ports/atmel-samd/boards/xinabox_cc03/mpconfigboard.mk
@@ -23,4 +23,3 @@ CIRCUITPY_TOUCHIO_USE_NATIVE=0
 CIRCUITPY_TOUCHIO=0
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
diff --git a/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk b/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk
@@ -26,5 +26,4 @@ CIRCUITPY_RTC=0
 CIRCUITPY_COUNTIO=0
 
 # Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD
diff --git a/ports/litex/mpconfigport.mk b/ports/litex/mpconfigport.mk
@@ -18,6 +18,7 @@ CIRCUITPY_AUDIOIO = 0
 CIRCUITPY_BITBANGIO = 0
 CIRCUITPY_BLEIO_HCI = 0
 CIRCUITPY_BOARD = 0
+CIRCUITPY_BUSDEVICE = 0
 CIRCUITPY_BUSIO = 0
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_DISPLAYIO = 0

diff --git a/ports/nrf/boards/simmel/mpconfigboard.mk b/ports/nrf/boards/simmel/mpconfigboard.mk
@@ -25,6 +25,7 @@ CIRCUITPY_RTC = 1
 CIRCUITPY_TOUCHIO = 0
 CIRCUITPY_ULAB = 0
 CIRCUITPY_WATCHDOG = 1
+CIRCUITPY_BUSDEVICE = 0
 
 # Enable micropython.native
 #CIRCUITPY_ENABLE_MPY_NATIVE = 1

diff --git a/py/circuitpy_defns.mk b/py/circuitpy_defns.mk
@@ -133,6 +133,9 @@ endif
 ifeq ($(CIRCUITPY_BOARD),1)
 SRC_PATTERNS += board/%
 endif
+ifeq ($(CIRCUITPY_BUSDEVICE),1)
+SRC_PATTERNS += adafruit_bus_device/%
+endif
 ifeq ($(CIRCUITPY_BUSIO),1)
 SRC_PATTERNS += busio/% bitbangio/OneWire.%
 endif
@@ -432,6 +435,9 @@ SRC_SHARED_MODULE_ALL = \
 	bitbangio/SPI.c \
 	bitbangio/__init__.c \
 	board/__init__.c \
+	adafruit_bus_device/__init__.c \
+	adafruit_bus_device/I2CDevice.c \
+	adafruit_bus_device/SPIDevice.c \
 	busio/OneWire.c \
 	displayio/Bitmap.c \
 	displayio/ColorConverter.c \

diff --git a/py/circuitpy_mpconfig.h b/py/circuitpy_mpconfig.h
@@ -329,6 +329,13 @@ extern const struct _mp_obj_module_t board_module;
 #define BOARD_UART_ROOT_POINTER
 #endif
 
+#if CIRCUITPY_BUSDEVICE
+extern const struct _mp_obj_module_t adafruit_bus_device_module;
+#define BUSDEVICE_MODULE           { MP_OBJ_NEW_QSTR(MP_QSTR_adafruit_bus_device), (mp_obj_t)&adafruit_bus_device_module },
+#else
+#define BUSDEVICE_MODULE
+#endif
+
 #if CIRCUITPY_BUSIO
 extern const struct _mp_obj_module_t busio_module;
 #define BUSIO_MODULE           { MP_OBJ_NEW_QSTR(MP_QSTR_busio), (mp_obj_t)&busio_module },
@@ -785,6 +792,7 @@ extern const struct _mp_obj_module_t wifi_module;
     BITBANGIO_MODULE \
     BLEIO_MODULE \
     BOARD_MODULE \
+    BUSDEVICE_MODULE \
     BUSIO_MODULE \
     CAMERA_MODULE \
     CANIO_MODULE \

diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk
@@ -90,6 +90,9 @@ CFLAGS += -DCIRCUITPY_BLEIO=$(CIRCUITPY_BLEIO)
 CIRCUITPY_BOARD ?= 1
 CFLAGS += -DCIRCUITPY_BOARD=$(CIRCUITPY_BOARD)
 
+CIRCUITPY_BUSDEVICE ?= $(CIRCUITPY_FULL_BUILD)
+CFLAGS += -DCIRCUITPY_BUSDEVICE=$(CIRCUITPY_BUSDEVICE)
+
 CIRCUITPY_BUILTINS_POW3 ?= $(CIRCUITPY_FULL_BUILD)
 CFLAGS += -DCIRCUITPY_BUILTINS_POW3=$(CIRCUITPY_BUILTINS_POW3)