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-rw-r--r--locale/circuitpython.pot8
-rw-r--r--ports/atmel-samd/boards/8086_commander/mpconfigboard.mk2
-rw-r--r--ports/atmel-samd/boards/bdmicro_vina_d21/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/circuitplayground_express_crickit/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/circuitplayground_express_displayio/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/dynossat_edu_eps/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/feather_m0_express_crickit/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk2
-rw-r--r--ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk2
-rw-r--r--ports/atmel-samd/boards/feather_m0_supersized/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/hallowing_m0_express/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/metro_m0_express/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/pycubed/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/pycubed_mram/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/sam32/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/snekboard/mpconfigboard.mk1
-rwxr-xr-xports/atmel-samd/boards/sparkfun_redboard_turbo/mpconfigboard.mk1
-rw-r--r--ports/atmel-samd/boards/xinabox_cc03/mpconfigboard.mk2
-rw-r--r--ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk2
-rw-r--r--ports/litex/mpconfigport.mk1
-rw-r--r--ports/nrf/boards/simmel/mpconfigboard.mk1
-rw-r--r--py/circuitpy_defns.mk6
-rw-r--r--py/circuitpy_mpconfig.h8
-rw-r--r--py/circuitpy_mpconfig.mk3
-rw-r--r--shared-bindings/adafruit_bus_device/I2CDevice.c259
-rw-r--r--shared-bindings/adafruit_bus_device/I2CDevice.h53
-rw-r--r--shared-bindings/adafruit_bus_device/SPIDevice.c128
-rw-r--r--shared-bindings/adafruit_bus_device/SPIDevice.h50
-rw-r--r--shared-bindings/adafruit_bus_device/__init__.c78
-rw-r--r--shared-bindings/adafruit_bus_device/__init__.h32
-rw-r--r--shared-module/adafruit_bus_device/I2CDevice.c79
-rw-r--r--shared-module/adafruit_bus_device/I2CDevice.h39
-rw-r--r--shared-module/adafruit_bus_device/SPIDevice.c85
-rw-r--r--shared-module/adafruit_bus_device/SPIDevice.h44
-rw-r--r--shared-module/adafruit_bus_device/__init__.c0
37 files changed, 885 insertions, 14 deletions
diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
index 63d818da9..b136e9dd2 100644
--- 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 ""
@@ -1295,6 +1296,11 @@ 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
index 9151040a0..f976dfe78 100644
--- a/ports/atmel-samd/boards/8086_commander/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/8086_commander/mpconfigboard.mk
@@ -19,9 +19,9 @@ SUPEROPT_GC = 0
CFLAGS_INLINE_LIMIT = 60
CIRCUITPY_GAMEPAD = 1
+CIRCUITPY_BUSDEVICE = 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
index a9885d064..a0d9a779f 100644
--- 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
index 13ec9e861..5389fc89a 100644
--- 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
index 7aa45eb39..31e10d736 100644
--- 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
index 3a43093a9..36b49b0ee 100644
--- 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
index 6d2c1379d..303df650e 100644
--- 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
index dc02e1f60..2fe085567 100644
--- 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
index 5624144e8..331a3110e 100644
--- 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
index d746cdf81..6ea21ed82 100644
--- a/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk
@@ -21,11 +21,11 @@ CIRCUITPY_SAMD = 0
CIRCUITPY_USB_MIDI = 0
CIRCUITPY_USB_HID = 0
CIRCUITPY_TOUCHIO = 0
+CIRCUITPY_BUSDEVICE = 1
CFLAGS_INLINE_LIMIT = 35
# Make more room.
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
index d37334688..76a6be2e3 100644
--- a/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk
@@ -22,11 +22,11 @@ CIRCUITPY_SAMD = 0
CIRCUITPY_USB_MIDI = 0
CIRCUITPY_USB_HID = 0
CIRCUITPY_TOUCHIO = 0
+CIRCUITPY_BUSDEVICE = 1
CFLAGS_INLINE_LIMIT = 35
# Make more room.
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
index 6f7f2d8b6..c2d692f9b 100644
--- 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
index 1931ceb9a..2b211abd4 100644
--- 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
index 7dd965000..c35854758 100644
--- 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
index b7b8073ab..a82362b8d 100644
--- 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
index f49bb3fef..3bf42d705 100644
--- 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
index 1dc686ef8..9ac24a014 100644
--- 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
index e0262b6b2..67e5b2312 100644
--- 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
index 5170f8a23..590c4795f 100755
--- 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
index fdcde4a07..d6f333b5b 100644
--- a/ports/atmel-samd/boards/xinabox_cc03/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/xinabox_cc03/mpconfigboard.mk
@@ -21,6 +21,6 @@ CIRCUITPY_PULSEIO=0
CIRCUITPY_ROTARYIO=0
CIRCUITPY_TOUCHIO_USE_NATIVE=0
CIRCUITPY_TOUCHIO=0
+CIRCUITPY_BUSDEVICE=1
# 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
index 9309fdce0..fd2fa044a 100644
--- a/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk
@@ -24,7 +24,7 @@ CIRCUITPY_TOUCHIO=0
CIRCUITPY_USB_MIDI=0
CIRCUITPY_RTC=0
CIRCUITPY_COUNTIO=0
+CIRCUITPY_BUSDEVICE=1
# Include these Python libraries in firmware.
-FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD
diff --git a/ports/litex/mpconfigport.mk b/ports/litex/mpconfigport.mk
index 485a75fde..003fb5c2c 100644
--- a/ports/litex/mpconfigport.mk
+++ b/ports/litex/mpconfigport.mk
@@ -18,6 +18,7 @@ CIRCUITPY_AUDIOIO = 0
CIRCUITPY_BITBANGIO = 0
CIRCUITPY_BLEIO_HCI = 0
CIRCUITPY_BOARD = 0
+CIRCUITPY_BUSDEVICE = 0
CIRCUITPY_BUSIO = 0
CIRCUITPY_COUNTIO = 0
CIRCUITPY_DISPLAYIO = 0
diff --git a/ports/nrf/boards/simmel/mpconfigboard.mk b/ports/nrf/boards/simmel/mpconfigboard.mk
index e34739c0f..704881b3c 100644
--- a/ports/nrf/boards/simmel/mpconfigboard.mk
+++ b/ports/nrf/boards/simmel/mpconfigboard.mk
@@ -25,6 +25,7 @@ CIRCUITPY_RTC = 1
CIRCUITPY_TOUCHIO = 0
CIRCUITPY_ULAB = 0
CIRCUITPY_WATCHDOG = 1
+CIRCUITPY_BUSDEVICE = 0
# Enable micropython.native
#CIRCUITPY_ENABLE_MPY_NATIVE = 1
diff --git a/py/circuitpy_defns.mk b/py/circuitpy_defns.mk
index a3e18753b..e9253682e 100644
--- a/py/circuitpy_defns.mk
+++ b/py/circuitpy_defns.mk
@@ -136,6 +136,9 @@ endif
ifeq ($(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
@@ -437,6 +440,9 @@ 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 \
canio/Match.c \
canio/Message.c \
diff --git a/py/circuitpy_mpconfig.h b/py/circuitpy_mpconfig.h
index 18af71719..f04112bfc 100644
--- a/py/circuitpy_mpconfig.h
+++ b/py/circuitpy_mpconfig.h
@@ -336,6 +336,13 @@ 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 },
@@ -792,6 +799,7 @@ 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
index a84dff539..370f13373 100644
--- a/py/circuitpy_mpconfig.mk
+++ b/py/circuitpy_mpconfig.mk
@@ -96,6 +96,9 @@ 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)
diff --git a/shared-bindings/adafruit_bus_device/I2CDevice.c b/shared-bindings/adafruit_bus_device/I2CDevice.c
new file mode 100644
index 000000000..4c9086162
--- /dev/null
+++ b/shared-bindings/adafruit_bus_device/I2CDevice.c
@@ -0,0 +1,259 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Mark Komus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// This file contains all of the Python API definitions for the
+// busio.I2C class.
+
+#include "shared-bindings/microcontroller/Pin.h"
+#include "shared-bindings/adafruit_bus_device/I2CDevice.h"
+#include "shared-bindings/util.h"
+#include "shared-module/adafruit_bus_device/I2CDevice.h"
+
+#include "lib/utils/buffer_helper.h"
+#include "lib/utils/context_manager_helpers.h"
+#include "py/runtime.h"
+#include "supervisor/shared/translate.h"
+
+
+//| class I2CDevice:
+//| """I2C Device Manager"""
+//|
+//| def __init__(self, i2c: busio.I2C, device_address: int, probe: bool = True) -> None:
+//|
+//| """Represents a single I2C device and manages locking the bus and the device
+//| address.
+//| :param ~busio.I2C i2c: The I2C bus the device is on
+//| :param int device_address: The 7 bit device address
+//| :param bool probe: Probe for the device upon object creation, default is true
+//|
+//| Example::
+//|
+//| import busio
+//| from board import *
+//| from adafruit_bus_device.i2c_device import I2CDevice
+//| with busio.I2C(SCL, SDA) as i2c:
+//| device = I2CDevice(i2c, 0x70)
+//| bytes_read = bytearray(4)
+//| with device:
+//| device.readinto(bytes_read)
+//| # A second transaction
+//| with device:
+//| device.write(bytes_read)"""
+//| ...
+//|
+STATIC mp_obj_t adafruit_bus_device_i2cdevice_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+ adafruit_bus_device_i2cdevice_obj_t *self = m_new_obj(adafruit_bus_device_i2cdevice_obj_t);
+ self->base.type = &adafruit_bus_device_i2cdevice_type;
+ enum { ARG_i2c, ARG_device_address, ARG_probe };
+ static const mp_arg_t allowed_args[] = {
+ { MP_QSTR_i2c, MP_ARG_REQUIRED | MP_ARG_OBJ },
+ { MP_QSTR_device_address, MP_ARG_REQUIRED | MP_ARG_INT },
+ { MP_QSTR_probe, MP_ARG_BOOL, {.u_bool = true} },
+ };
+ mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+ mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
+
+ busio_i2c_obj_t* i2c = args[ARG_i2c].u_obj;
+
+ common_hal_adafruit_bus_device_i2cdevice_construct(MP_OBJ_TO_PTR(self), i2c, args[ARG_device_address].u_int);
+ if (args[ARG_probe].u_bool == true) {
+ common_hal_adafruit_bus_device_i2cdevice_probe_for_device(self);
+ }
+
+ return (mp_obj_t)self;
+}
+
+//| def __enter__(self) -> I2CDevice:
+//| """Context manager entry to lock bus."""
+//| ...
+//|
+STATIC mp_obj_t adafruit_bus_device_i2cdevice_obj___enter__(mp_obj_t self_in) {
+ adafruit_bus_device_i2cdevice_obj_t *self = MP_OBJ_TO_PTR(self_in);
+ common_hal_adafruit_bus_device_i2cdevice_lock(self);
+ return self;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(adafruit_bus_device_i2cdevice___enter___obj, adafruit_bus_device_i2cdevice_obj___enter__);
+
+//| def __exit__(self) -> None:
+//| """Automatically unlocks the bus on exit."""
+//| ...
+//|
+STATIC mp_obj_t adafruit_bus_device_i2cdevice_obj___exit__(size_t n_args, const mp_obj_t *args) {
+ common_hal_adafruit_bus_device_i2cdevice_unlock(MP_OBJ_TO_PTR(args[0]));
+ return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(adafruit_bus_device_i2cdevice___exit___obj, 4, 4, adafruit_bus_device_i2cdevice_obj___exit__);
+
+//| def readinto(self, buf: WriteableBuffer, *, start: int = 0, end: int = 0) -> None:
+//| """Read into ``buf`` from the device. The number of bytes read will be the
+//| length of ``buf``.
+//| If ``start`` or ``end`` is provided, then the buffer will be sliced
+//| as if ``buf[start:end]``. This will not cause an allocation like
+//| ``buf[start:end]`` will so it saves memory.
+//| :param bytearray buf: buffer to write into
+//| :param int start: Index to start writing at
+//| :param int end: Index to write up to but not include; if None, use ``len(buf)``"""
+//| ...
+//|
+STATIC void readinto(adafruit_bus_device_i2cdevice_obj_t *self, mp_obj_t buffer, int32_t start, mp_int_t end) {
+ mp_buffer_info_t bufinfo;
+ mp_get_buffer_raise(buffer, &bufinfo, MP_BUFFER_WRITE);
+
+ size_t length = bufinfo.len;
+ normalize_buffer_bounds(&start, end, &length);
+ if (length == 0) {
+ mp_raise_ValueError(translate("Buffer must be at least length 1"));
+ }
+
+ uint8_t status = common_hal_adafruit_bus_device_i2cdevice_readinto(MP_OBJ_TO_PTR(self), ((uint8_t*)bufinfo.buf) + start, length);
+ if (status != 0) {
+ mp_raise_OSError(status);
+ }
+}
+
+STATIC mp_obj_t adafruit_bus_device_i2cdevice_readinto(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+ enum { ARG_buffer, ARG_start, ARG_end };
+ static const mp_arg_t allowed_args[] = {
+ { MP_QSTR_buffer, MP_ARG_REQUIRED | MP_ARG_OBJ },
+ { MP_QSTR_start, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
+ { MP_QSTR_end, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = INT_MAX} },
+ };
+
+ adafruit_bus_device_i2cdevice_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
+
+ mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+ mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
+
+ readinto(self, args[ARG_buffer].u_obj, args[ARG_start].u_int, args[ARG_end].u_int);
+ return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(adafruit_bus_device_i2cdevice_readinto_obj, 2, adafruit_bus_device_i2cdevice_readinto);
+
+//| def write(self, buf: ReadableBuffer, *, start: int = 0, end: int = 0) -> None:
+//| """Write the bytes from ``buffer`` to the device, then transmit a stop bit.
+//| If ``start`` or ``end`` is provided, then the buffer will be sliced
+//| as if ``buffer[start:end]``. This will not cause an allocation like
+//| ``buffer[start:end]`` will so it saves memory.
+//| :param bytearray buf: buffer containing the bytes to write
+//| :param int start: Index to start writing from
+//| :param int end: Index to read up to but not include; if None, use ``len(buf)``
+//| """
+//| ...
+//|
+STATIC void write(adafruit_bus_device_i2cdevice_obj_t *self, mp_obj_t buffer, int32_t start, mp_int_t end) {
+ mp_buffer_info_t bufinfo;
+ mp_get_buffer_raise(buffer, &bufinfo, MP_BUFFER_READ);
+
+ size_t length = bufinfo.len;
+ normalize_buffer_bounds(&start, end, &length);
+ if (length == 0) {
+ mp_raise_ValueError(translate("Buffer must be at least length 1"));
+ }
+
+ uint8_t status = common_hal_adafruit_bus_device_i2cdevice_write(MP_OBJ_TO_PTR(self), ((uint8_t*)bufinfo.buf) + start, length);
+ if (status != 0) {
+ mp_raise_OSError(status);
+ }
+}
+
+STATIC mp_obj_t adafruit_bus_device_i2cdevice_write(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+ enum { ARG_buffer, ARG_start, ARG_end };
+ static const mp_arg_t allowed_args[] = {
+ { MP_QSTR_buffer, MP_ARG_REQUIRED | MP_ARG_OBJ },
+ { MP_QSTR_start, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
+ { MP_QSTR_end, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = INT_MAX} },
+ };
+ adafruit_bus_device_i2cdevice_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
+
+ mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+ mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
+
+ write(self, args[ARG_buffer].u_obj, args[ARG_start].u_int, args[ARG_end].u_int);
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_KW(adafruit_bus_device_i2cdevice_write_obj, 2, adafruit_bus_device_i2cdevice_write);
+
+
+//| def write_then_readinto(self, out_buffer: WriteableBuffer, in_buffer: ReadableBuffer, *, out_start: int = 0, out_end: int = 0, in_start: int = 0, in_end: int = 0) -> None:
+//| """Write the bytes from ``out_buffer`` to the device, then immediately
+//| reads into ``in_buffer`` from the device. The number of bytes read
+//| will be the length of ``in_buffer``.
+//| If ``out_start`` or ``out_end`` is provided, then the output buffer
+//| will be sliced as if ``out_buffer[out_start:out_end]``. This will
+//| not cause an allocation like ``buffer[out_start:out_end]`` will so
+//| it saves memory.
+//| If ``in_start`` or ``in_end`` is provided, then the input buffer
+//| will be sliced as if ``in_buffer[in_start:in_end]``. This will not
+//| cause an allocation like ``in_buffer[in_start:in_end]`` will so
+//| it saves memory.
+//| :param bytearray out_buffer: buffer containing the bytes to write
+//| :param bytearray in_buffer: buffer containing the bytes to read into
+//| :param int out_start: Index to start writing from
+//| :param int out_end: Index to read up to but not include; if None, use ``len(out_buffer)``
+//| :param int in_start: Index to start writing at
+//| :param int in_end: Index to write up to but not include; if None, use ``len(in_buffer)``
+//| """
+//| ...
+//|
+STATIC mp_obj_t adafruit_bus_device_i2cdevice_write_then_readinto(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+ enum { ARG_out_buffer, ARG_in_buffer, ARG_out_start, ARG_out_end, ARG_in_start, ARG_in_end };
+ static const mp_arg_t allowed_args[] = {
+ { MP_QSTR_out_buffer, MP_ARG_REQUIRED | MP_ARG_OBJ },
+ { MP_QSTR_in_buffer, MP_ARG_REQUIRED | MP_ARG_OBJ },
+ { MP_QSTR_out_start, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
+ { MP_QSTR_out_end, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = INT_MAX} },
+ { MP_QSTR_in_start, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
+ { MP_QSTR_in_end, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = INT_MAX} },
+ };
+ adafruit_bus_device_i2cdevice_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
+
+ mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+ mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
+
+ write(self, args[ARG_out_buffer].u_obj, args[ARG_out_start].u_int, args[ARG_out_end].u_int);
+
+ readinto(self, args[ARG_in_buffer].u_obj, args[ARG_in_start].u_int, args[ARG_in_end].u_int);
+
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_KW(adafruit_bus_device_i2cdevice_write_then_readinto_obj, 3, adafruit_bus_device_i2cdevice_write_then_readinto);
+
+STATIC const mp_rom_map_elem_t adafruit_bus_device_i2cdevice_locals_dict_table[] = {
+ { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&adafruit_bus_device_i2cdevice___enter___obj) },
+ { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&adafruit_bus_device_i2cdevice___exit___obj) },
+ { MP_ROM_QSTR(MP_QSTR_readinto), MP_ROM_PTR(&adafruit_bus_device_i2cdevice_readinto_obj) },
+ { MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&adafruit_bus_device_i2cdevice_write_obj) },
+ { MP_ROM_QSTR(MP_QSTR_write_then_readinto), MP_ROM_PTR(&adafruit_bus_device_i2cdevice_write_then_readinto_obj) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(adafruit_bus_device_i2cdevice_locals_dict, adafruit_bus_device_i2cdevice_locals_dict_table);
+
+const mp_obj_type_t adafruit_bus_device_i2cdevice_type = {
+ { &mp_type_type },
+ .name = MP_QSTR_I2CDevice,
+ .make_new = adafruit_bus_device_i2cdevice_make_new,
+ .locals_dict = (mp_obj_dict_t*)&adafruit_bus_device_i2cdevice_locals_dict,
+};
diff --git a/shared-bindings/adafruit_bus_device/I2CDevice.h b/shared-bindings/adafruit_bus_device/I2CDevice.h
new file mode 100644
index 000000000..7b2182ff0
--- /dev/null
+++ b/shared-bindings/adafruit_bus_device/I2CDevice.h
@@ -0,0 +1,53 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Mark Komus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// Machine is the HAL for low-level, hardware accelerated functions. It is not
+// meant to simplify APIs, its only meant to unify them so that other modules
+// do not require port specific logic.
+//
+// This file includes externs for all functions a port should implement to
+// support the machine module.
+
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_BUSDEVICE_I2CDEVICE_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_BUSDEVICE_I2CDEVICE_H
+
+#include "py/obj.h"
+
+#include "shared-module/adafruit_bus_device/I2CDevice.h"
+//#include "shared-bindings/busio/I2C.h"
+
+// Type object used in Python. Should be shared between ports.
+extern const mp_obj_type_t adafruit_bus_device_i2cdevice_type;
+
+// Initializes the hardware peripheral.
+extern void common_hal_adafruit_bus_device_i2cdevice_construct(adafruit_bus_device_i2cdevice_obj_t *self, busio_i2c_obj_t *i2c, uint8_t device_address);
+extern uint8_t common_hal_adafruit_bus_device_i2cdevice_readinto(adafruit_bus_device_i2cdevice_obj_t *self, mp_obj_t buffer, size_t length);
+extern uint8_t common_hal_adafruit_bus_device_i2cdevice_write(adafruit_bus_device_i2cdevice_obj_t *self, mp_obj_t buffer, size_t length);
+extern void common_hal_adafruit_bus_device_i2cdevice_lock(adafruit_bus_device_i2cdevice_obj_t *self);
+extern void common_hal_adafruit_bus_device_i2cdevice_unlock(adafruit_bus_device_i2cdevice_obj_t *self);
+extern void common_hal_adafruit_bus_device_i2cdevice_probe_for_device(adafruit_bus_device_i2cdevice_obj_t *self);
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_BUSDEVICE_I2CDEVICE_H
diff --git a/shared-bindings/adafruit_bus_device/SPIDevice.c b/shared-bindings/adafruit_bus_device/SPIDevice.c
new file mode 100644
index 000000000..e127e39b8
--- /dev/null
+++ b/shared-bindings/adafruit_bus_device/SPIDevice.c
@@ -0,0 +1,128 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Mark Komus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/microcontroller/Pin.h"
+#include "shared-bindings/adafruit_bus_device/SPIDevice.h"
+#include "shared-bindings/util.h"
+#include "shared-module/adafruit_bus_device/SPIDevice.h"
+#include "common-hal/digitalio/DigitalInOut.h"
+#include "shared-bindings/digitalio/DigitalInOut.h"
+
+
+#include "lib/utils/buffer_helper.h"
+#include "lib/utils/context_manager_helpers.h"
+#include "py/runtime.h"
+#include "supervisor/shared/translate.h"
+
+
+//| class SPIDevice:
+//| """SPI Device Manager"""
+//|
+//| def __init__(self, spi: busio.SPI, chip_select: microcontroller.Pin, *, baudrate: int = 100000, polarity: int = 0, phase: int = 0, extra_clocks : int = 0) -> None:
+//|
+//| """
+//| Represents a single SPI device and manages locking the bus and the device address.
+//| :param ~busio.SPI spi: The SPI bus the device is on
+//| :param ~digitalio.DigitalInOut chip_select: The chip select pin object that implements the DigitalInOut API.
+//| :param int extra_clocks: The minimum number of clock cycles to cycle the bus after CS is high. (Used for SD cards.)
+//|
+//| Example::
+//|
+//| import busio
+//| import digitalio
+//| from board import *
+//| from adafruit_bus_device.spi_device import SPIDevice
+//| with busio.SPI(SCK, MOSI, MISO) as spi_bus:
+//| cs = digitalio.DigitalInOut(D10)
+//| device = SPIDevice(spi_bus, cs)
+//| bytes_read = bytearray(4)
+//| # The object assigned to spi in the with statements below
+//| # is the original spi_bus object. We are using the busio.SPI
+//| # operations busio.SPI.readinto() and busio.SPI.write().
+//| with device as spi:
+//| spi.readinto(bytes_read)
+//| # A second transaction
+//| with device as spi:
+//| spi.write(bytes_read)"""
+//| ...
+//|
+STATIC mp_obj_t adafruit_bus_device_spidevice_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+ adafruit_bus_device_spidevice_obj_t *self = m_new_obj(adafruit_bus_device_spidevice_obj_t);
+ self->base.type = &adafruit_bus_device_spidevice_type;
+ enum { ARG_spi, ARG_chip_select, ARG_baudrate, ARG_polarity, ARG_phase, ARG_extra_clocks };
+ static const mp_arg_t allowed_args[] = {
+ { MP_QSTR_spi, MP_ARG_REQUIRED | MP_ARG_OBJ },
+ { MP_QSTR_chip_select, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
+ { MP_QSTR_baudrate, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 100000} },
+ { MP_QSTR_polarity, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
+ { MP_QSTR_phase, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
+ { MP_QSTR_extra_clocks, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
+ };
+ mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+ mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
+
+ busio_spi_obj_t* spi = args[ARG_spi].u_obj;
+
+ common_hal_adafruit_bus_device_spidevice_construct(MP_OBJ_TO_PTR(self), spi, args[ARG_chip_select].u_obj, args[ARG_baudrate].u_int, args[ARG_polarity].u_int,
+ args[ARG_phase].u_int, args[ARG_extra_clocks].u_int);
+
+ if (args[ARG_chip_select].u_obj != MP_OBJ_NULL) {
+ digitalinout_result_t result = common_hal_digitalio_digitalinout_switch_to_output(MP_OBJ_TO_PTR(args[ARG_chip_select].u_obj),
+ true, DRIVE_MODE_PUSH_PULL);
+ if (result == DIGITALINOUT_INPUT_ONLY) {
+ mp_raise_NotImplementedError(translate("Pin is input only"));
+ }
+ }
+
+ return (mp_obj_t)self;
+}
+
+STATIC mp_obj_t adafruit_bus_device_spidevice_obj___enter__(mp_obj_t self_in) {
+ adafruit_bus_device_spidevice_obj_t *self = MP_OBJ_TO_PTR(self_in);
+ common_hal_adafruit_bus_device_spidevice_enter(self);
+ return self->spi;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(adafruit_bus_device_spidevice___enter___obj, adafruit_bus_device_spidevice_obj___enter__);
+
+STATIC mp_obj_t adafruit_bus_device_spidevice_obj___exit__(size_t n_args, const mp_obj_t *args) {
+ common_hal_adafruit_bus_device_spidevice_exit(MP_OBJ_TO_PTR(args[0]));
+ return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(adafruit_bus_device_spidevice___exit___obj, 4, 4, adafruit_bus_device_spidevice_obj___exit__);
+
+STATIC const mp_rom_map_elem_t adafruit_bus_device_spidevice_locals_dict_table[] = {
+ { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&adafruit_bus_device_spidevice___enter___obj) },
+ { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&adafruit_bus_device_spidevice___exit___obj) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(adafruit_bus_device_spidevice_locals_dict, adafruit_bus_device_spidevice_locals_dict_table);
+
+const mp_obj_type_t adafruit_bus_device_spidevice_type = {
+ { &mp_type_type },
+ .name = MP_QSTR_SPIDevice,
+ .make_new = adafruit_bus_device_spidevice_make_new,
+ .locals_dict = (mp_obj_dict_t*)&adafruit_bus_device_spidevice_locals_dict,
+};
diff --git a/shared-bindings/adafruit_bus_device/SPIDevice.h b/shared-bindings/adafruit_bus_device/SPIDevice.h
new file mode 100644
index 000000000..5596b157f
--- /dev/null
+++ b/shared-bindings/adafruit_bus_device/SPIDevice.h
@@ -0,0 +1,50 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Mark Komus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// Machine is the HAL for low-level, hardware accelerated functions. It is not
+// meant to simplify APIs, its only meant to unify them so that other modules
+// do not require port specific logic.
+//
+// This file includes externs for all functions a port should implement to
+// support the machine module.
+
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_BUSDEVICE_SPIDEVICE_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_BUSDEVICE_SPIDEVICE_H
+
+#include "py/obj.h"
+
+#include "shared-module/adafruit_bus_device/SPIDevice.h"
+
+// Type object used in Python. Should be shared between ports.
+extern const mp_obj_type_t adafruit_bus_device_spidevice_type;
+
+// Initializes the hardware peripheral.
+extern void common_hal_adafruit_bus_device_spidevice_construct(adafruit_bus_device_spidevice_obj_t *self, busio_spi_obj_t *spi, digitalio_digitalinout_obj_t *cs,
+ uint32_t baudrate, uint8_t polarity, uint8_t phase, uint8_t extra_clocks);
+extern void common_hal_adafruit_bus_device_spidevice_enter(adafruit_bus_device_spidevice_obj_t *self);
+extern void common_hal_adafruit_bus_device_spidevice_exit(adafruit_bus_device_spidevice_obj_t *self);
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_BUSDEVICE_SPIDEVICE_H
diff --git a/shared-bindings/adafruit_bus_device/__init__.c b/shared-bindings/adafruit_bus_device/__init__.c
new file mode 100644
index 000000000..e01abcab3
--- /dev/null
+++ b/shared-bindings/adafruit_bus_device/__init__.c
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Mark Komus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <stdint.h>
+
+#include "py/obj.h"
+#include "py/runtime.h"
+#include "py/mphal.h"
+#include "py/objproperty.h"
+
+#include "shared-bindings/adafruit_bus_device/__init__.h"
+#include "shared-bindings/adafruit_bus_device/I2CDevice.h"
+#include "shared-bindings/adafruit_bus_device/SPIDevice.h"
+
+STATIC const mp_rom_map_elem_t adafruit_bus_device_i2c_device_globals_table[] = {
+ { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_i2c_device) },
+ { MP_ROM_QSTR(MP_QSTR_I2CDevice), MP_ROM_PTR(&adafruit_bus_device_i2cdevice_type) },
+};
+STATIC MP_DEFINE_CONST_DICT(adafruit_bus_device_i2c_device_globals, adafruit_bus_device_i2c_device_globals_table);
+
+const mp_obj_module_t adafruit_bus_device_i2c_device_module = {
+ .base = { &mp_type_module },
+ .globals = (mp_obj_dict_t*)&adafruit_bus_device_i2c_device_globals,
+};
+
+STATIC const mp_rom_map_elem_t adafruit_bus_device_spi_device_globals_table[] = {
+ { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_spi_device) },
+ { MP_ROM_QSTR(MP_QSTR_SPIDevice), MP_ROM_PTR(&adafruit_bus_device_spidevice_type) },
+};
+STATIC MP_DEFINE_CONST_DICT(adafruit_bus_device_spi_device_globals, adafruit_bus_device_spi_device_globals_table);
+
+const mp_obj_module_t adafruit_bus_device_spi_device_module = {
+ .base = { &mp_type_module },
+ .globals = (mp_obj_dict_t*)&adafruit_bus_device_spi_device_globals,
+};
+
+//| """Hardware accelerated external bus access
+//|
+//| The I2CDevice and SPIDevice helper classes make managing transaction state on a bus easy.
+//| For example, they manage locking the bus to prevent other concurrent access. For SPI
+//| devices, it manages the chip select and protocol changes such as mode. For I2C, it
+//| manages the device address."""
+//|
+STATIC const mp_rom_map_elem_t adafruit_bus_device_module_globals_table[] = {
+ { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_adafruit_bus_device) },
+ { MP_ROM_QSTR(MP_QSTR_i2c_device), MP_ROM_PTR(&adafruit_bus_device_i2c_device_module) },
+ { MP_ROM_QSTR(MP_QSTR_spi_device), MP_ROM_PTR(&adafruit_bus_device_spi_device_module) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(adafruit_bus_device_module_globals, adafruit_bus_device_module_globals_table);
+
+const mp_obj_module_t adafruit_bus_device_module = {
+ .base = { &mp_type_module },
+ .globals = (mp_obj_dict_t*)&adafruit_bus_device_module_globals,
+};
diff --git a/shared-bindings/adafruit_bus_device/__init__.h b/shared-bindings/adafruit_bus_device/__init__.h
new file mode 100644
index 000000000..4a669807b
--- /dev/null
+++ b/shared-bindings/adafruit_bus_device/__init__.h
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Mark Komus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_BUSDEVICE___INIT___H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_BUSDEVICE___INIT___H
+
+// Nothing now.
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_BUSDEVICE___INIT___H
diff --git a/shared-module/adafruit_bus_device/I2CDevice.c b/shared-module/adafruit_bus_device/I2CDevice.c
new file mode 100644
index 000000000..ee4b4fa55
--- /dev/null
+++ b/shared-module/adafruit_bus_device/I2CDevice.c
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Mark Komus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/adafruit_bus_device/I2CDevice.h"
+#include "shared-bindings/busio/I2C.h"
+#include "py/mperrno.h"
+#include "py/nlr.h"
+#include "py/runtime.h"
+#include "lib/utils/interrupt_char.h"
+
+void common_hal_adafruit_bus_device_i2cdevice_construct(adafruit_bus_device_i2cdevice_obj_t *self, busio_i2c_obj_t *i2c, uint8_t device_address) {
+ self->i2c = i2c;
+ self->device_address = device_address;
+}
+
+void common_hal_adafruit_bus_device_i2cdevice_lock(adafruit_bus_device_i2cdevice_obj_t *self) {
+ bool success = common_hal_busio_i2c_try_lock(self->i2c);
+
+ while (!success) {
+ RUN_BACKGROUND_TASKS;
+ if (mp_hal_is_interrupted()) {
+ break;
+ }
+
+ success = common_hal_busio_i2c_try_lock(self->i2c);
+ }
+}
+
+void common_hal_adafruit_bus_device_i2cdevice_unlock(adafruit_bus_device_i2cdevice_obj_t *self) {
+ common_hal_busio_i2c_unlock(self->i2c);
+}
+
+uint8_t common_hal_adafruit_bus_device_i2cdevice_readinto(adafruit_bus_device_i2cdevice_obj_t *self, mp_obj_t buffer, size_t length) {
+ return common_hal_busio_i2c_read(self->i2c, self->device_address, buffer, length);
+}
+
+uint8_t common_hal_adafruit_bus_device_i2cdevice_write(adafruit_bus_device_i2cdevice_obj_t *self, mp_obj_t buffer, size_t length) {
+ return common_hal_busio_i2c_write(self->i2c, self->device_address, buffer, length, true);
+}
+
+void common_hal_adafruit_bus_device_i2cdevice_probe_for_device(adafruit_bus_device_i2cdevice_obj_t *self) {
+ common_hal_adafruit_bus_device_i2cdevice_lock(self);
+
+ mp_buffer_info_t bufinfo;
+ mp_obj_t buffer = mp_obj_new_bytearray_of_zeros(1);
+
+ mp_get_buffer_raise(buffer, &bufinfo, MP_BUFFER_WRITE);
+
+ uint8_t status = common_hal_adafruit_bus_device_i2cdevice_readinto(self, (uint8_t*)bufinfo.buf, 1);
+ if (status != 0) {
+ common_hal_adafruit_bus_device_i2cdevice_unlock(self);
+ mp_raise_ValueError_varg(translate("No I2C device at address: %x"), self->device_address);
+ }
+
+ common_hal_adafruit_bus_device_i2cdevice_unlock(self);
+}
diff --git a/shared-module/adafruit_bus_device/I2CDevice.h b/shared-module/adafruit_bus_device/I2CDevice.h
new file mode 100644
index 000000000..d06adb9f5
--- /dev/null
+++ b/shared-module/adafruit_bus_device/I2CDevice.h
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_ATMEL_SAMD_SHARED_MODULE_BUSDEVICE_I2CDEVICE_H
+#define MICROPY_INCLUDED_ATMEL_SAMD_SHARED_MODULE_BUSDEVICE_I2CDEVICE_H
+
+#include "py/obj.h"
+#include "common-hal/busio/I2C.h"
+
+typedef struct {
+ mp_obj_base_t base;
+ busio_i2c_obj_t *i2c;
+ uint8_t device_address;
+} adafruit_bus_device_i2cdevice_obj_t;
+
+#endif // MICROPY_INCLUDED_ATMEL_SAMD_SHARED_MODULE_BUSDEVICE_I2CDEVICE_H
diff --git a/shared-module/adafruit_bus_device/SPIDevice.c b/shared-module/adafruit_bus_device/SPIDevice.c
new file mode 100644
index 000000000..e489fc7c0
--- /dev/null
+++ b/shared-module/adafruit_bus_device/SPIDevice.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Mark Komus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/adafruit_bus_device/SPIDevice.h"
+#include "shared-bindings/busio/SPI.h"
+#include "shared-bindings/digitalio/DigitalInOut.h"
+#include "py/mperrno.h"
+#include "py/nlr.h"
+#include "py/runtime.h"
+
+void common_hal_adafruit_bus_device_spidevice_construct(adafruit_bus_device_spidevice_obj_t *self, busio_spi_obj_t *spi, digitalio_digitalinout_obj_t *cs,
+ uint32_t baudrate, uint8_t polarity, uint8_t phase, uint8_t extra_clocks) {
+ self->spi = spi;
+ self->baudrate = baudrate;
+ self->polarity = polarity;
+ self->phase = phase;
+ self->extra_clocks = extra_clocks;
+ self->chip_select = cs;
+}
+
+void common_hal_adafruit_bus_device_spidevice_enter(adafruit_bus_device_spidevice_obj_t *self) {
+ bool success = false;
+ while (!success) {
+ success = common_hal_busio_spi_try_lock(self->spi);
+ RUN_BACKGROUND_TASKS;
+ mp_handle_pending();
+ }
+
+ common_hal_busio_spi_configure(self->spi, self->baudrate, self->polarity, self->phase, 8);
+
+ if (self->chip_select != MP_OBJ_NULL) {
+ common_hal_digitalio_digitalinout_set_value(MP_OBJ_TO_PTR(self->chip_select), false);
+ }
+}
+
+void common_hal_adafruit_bus_device_spidevice_exit(adafruit_bus_device_spidevice_obj_t *self) {
+ if (self->chip_select != MP_OBJ_NULL) {
+ common_hal_digitalio_digitalinout_set_value(MP_OBJ_TO_PTR(self->chip_select), true);
+ }
+
+ if (self->extra_clocks > 0) {
+
+ mp_buffer_info_t bufinfo;
+ mp_obj_t buffer = mp_obj_new_bytearray_of_zeros(1);
+
+ mp_get_buffer_raise(buffer, &bufinfo, MP_BUFFER_READ);
+ ((uint8_t*)bufinfo.buf)[0] = 0xFF;
+
+ uint8_t clocks = self->extra_clocks / 8;
+ if ((self->extra_clocks % 8) != 0)
+ clocks += 1;
+
+ while (clocks > 0) {
+ if (!common_hal_busio_spi_write(self->spi, ((uint8_t*)bufinfo.buf), 1)) {
+ mp_raise_OSError(MP_EIO);
+ }
+ clocks--;
+ }
+ }
+
+ common_hal_busio_spi_unlock(self->spi);
+}
diff --git a/shared-module/adafruit_bus_device/SPIDevice.h b/shared-module/adafruit_bus_device/SPIDevice.h
new file mode 100644
index 000000000..1a7c70fa7
--- /dev/null
+++ b/shared-module/adafruit_bus_device/SPIDevice.h
@@ -0,0 +1,44 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_ATMEL_SAMD_SHARED_MODULE_BUSDEVICE_SPIDEVICE_H
+#define MICROPY_INCLUDED_ATMEL_SAMD_SHARED_MODULE_BUSDEVICE_SPIDEVICE_H
+
+#include "py/obj.h"
+#include "common-hal/busio/SPI.h"
+#include "common-hal/digitalio/DigitalInOut.h"
+
+typedef struct {
+ mp_obj_base_t base;
+ busio_spi_obj_t *spi;
+ uint32_t baudrate;
+ uint8_t polarity;
+ uint8_t phase;
+ uint8_t extra_clocks;
+ digitalio_digitalinout_obj_t *chip_select;
+} adafruit_bus_device_spidevice_obj_t;
+
+#endif // MICROPY_INCLUDED_ATMEL_SAMD_SHARED_MODULE_BUSDEVICE_SPIDEVICE_H
diff --git a/shared-module/adafruit_bus_device/__init__.c b/shared-module/adafruit_bus_device/__init__.c
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/shared-module/adafruit_bus_device/__init__.c