orange pi GPIO led blinky

diff --git a/src/adafruit_blinka/agnostic/__init__.py b/src/adafruit_blinka/agnostic/__init__.py
index 0327ae99b5e52bc8b15b8c51bf19b3b1330190b8..1d93e6c9bdfe7f604784afc29fc30566c5c8c701 100755 (executable)
--- a/src/adafruit_blinka/agnostic/__init__.py
+++ b/src/adafruit_blinka/agnostic/__init__.py
@@ -21,16 +21,27 @@ if platform is not None:
         platform = "stm32"
         board_id = "pyboard"
     elif platform == "linux":
         platform = "stm32"
         board_id = "pyboard"
     elif platform == "linux":

-        from Adafruit_GPIO import Platform
-        if Platform.platform_detect() == Platform.RASPBERRY_PI:
-            if Platform.pi_version() == 1:
-                board_id = "raspi_1"
-            elif Platform.pi_version() == 2:
-                board_id = "raspi_2"
-            elif Platform.pi_version() == 3:
-                board_id = "raspi_3"
-        elif Platform.platform_detect() == Platform.BEAGLEBONE_BLACK:
-            board_id = "beaglebone_black"
+        import re
+        # we're going to redo the Platform detection, this is a terrible hack
+        # for now.
+        try:
+            # lets see if we're an armbian board
+            for line in open("/etc/armbian-release", 'r'):
+                #print(line)
+                m = re.search('BOARD=(.*)', line)
+                if m:
+                    board_id = m.group(1)
+        except:
+            from Adafruit_GPIO import Platform
+            if Platform.platform_detect() == Platform.RASPBERRY_PI:
+                if Platform.pi_version() == 1:
+                    board_id = "raspi_1"
+                elif Platform.pi_version() == 2:
+                    board_id = "raspi_2"
+                elif Platform.pi_version() == 3:
+                    board_id = "raspi_3"
+            elif Platform.platform_detect() == Platform.BEAGLEBONE_BLACK:
+                board_id = "beaglebone_black"

 
 implementation = sys.implementation.name
 if implementation == "micropython":
 
 implementation = sys.implementation.name
 if implementation == "micropython":

diff --git a/src/adafruit_blinka/board/orangepipc.py b/src/adafruit_blinka/board/orangepipc.py
new file mode 100644 (file)
index 0000000..18bcd25
--- /dev/null
+++ b/src/adafruit_blinka/board/orangepipc.py
@@ -0,0 +1,33 @@
+from adafruit_blinka.microcontroller.allwinner_h3 import pin
+
+PA12 = pin.PA12
+SDA = pin.PA12
+PA11 = pin.PA11
+SCL = pin.PA11
+PA6 = pin.PA6
+PA1 = pin.PA1
+PA0 = pin.PA0
+PA3 = pin.PA3
+PC0 = pin.PC0
+PC1 = pin.PC1
+PC2 = pin.PC2
+PA19 = pin.PA19
+PA7 = pin.PA7
+PA8 = pin.PA8
+PA9 = pin.PA9
+PA10 = pin.PA10
+PA20 = pin.PA20
+
+PA13 = pin.PA13
+PA14 = pin.PA14
+PD14 = pin.PD14
+PC4 = pin.PC4
+PC7 = pin.PC7
+PA2 = pin.PA2
+PC3 = pin.PC3
+PA21 = pin.PA21
+PA18 = pin.PA18
+PG8 = pin.PG8
+PG9 = pin.PG9
+PG6 = pin.PG6
+PG7 = pin.PG7

diff --git a/src/adafruit_blinka/microcontroller/allwinner_h3/__init__.py b/src/adafruit_blinka/microcontroller/allwinner_h3/__init__.py
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/src/adafruit_blinka/microcontroller/allwinner_h3/pin.py b/src/adafruit_blinka/microcontroller/allwinner_h3/pin.py
new file mode 100644 (file)
index 0000000..15410c6
--- /dev/null
+++ b/src/adafruit_blinka/microcontroller/allwinner_h3/pin.py
@@ -0,0 +1,33 @@
+from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin
+
+PA0 = Pin(0)
+PA1 = Pin(1)
+PA2 = Pin(2)
+PA3 = Pin(3)
+PA6 = Pin(6)
+PA7 = Pin(7)
+PA8 = Pin(8)
+PA9 = Pin(9)
+PA10 = Pin(10)
+PA11 = Pin(11)
+PA12 = Pin(12)
+PA13 = Pin(13)
+PA14 = Pin(14)
+PA18 = Pin(18)
+PA19 = Pin(19)
+PA20 = Pin(20)
+PA21 = Pin(21)
+
+PC0 = Pin(64)
+PC1 = Pin(65)
+PC2 = Pin(66)
+PC3 = Pin(67)
+PC4 = Pin(68)
+PC7 = Pin(71)
+
+PD14 = Pin(110)
+
+PG6 = Pin(198)
+PG7 = Pin(199)
+PG8 = Pin(200)
+PG9 = Pin(201)

diff --git a/src/adafruit_blinka/microcontroller/generic_linux/libgpiod_pin.py b/src/adafruit_blinka/microcontroller/generic_linux/libgpiod_pin.py
new file mode 100644 (file)
index 0000000..51b87f9
--- /dev/null
+++ b/src/adafruit_blinka/microcontroller/generic_linux/libgpiod_pin.py
@@ -0,0 +1,74 @@
+try:
+    import gpiod
+except ImportError:
+    raise ImportError("libgpiod Python bindings not found, please install and try again! See https://github.com/adafruit/Raspberry-Pi-Installer-Scripts/blob/master/libgpiod.sh")
+
+# Pins dont exist in CPython so...lets make our own!
+class Pin:
+    IN = 0
+    OUT = 1
+    LOW = 0
+    HIGH = 1
+    PULL_NONE = 0
+    PULL_UP = 1
+    PULL_DOWN = 2
+    _CONSUMER = 'adafruit_blinka'
+
+    id = None
+    _value = LOW
+    _mode = IN
+
+    def __init__(self, pin_number, gpiod_chipname="gpiochip0"):
+        self.id = int(pin_number)
+        # FIXME: Presumably this might vary by system:
+        self._chip = gpiod.Chip(gpiod_chipname, gpiod.Chip.OPEN_BY_NAME)
+        self._line = None
+
+    def __repr__(self):
+        return str(self.id)
+
+    def __eq__(self, other):
+        return self.id == other
+
+    def init(self, mode=IN, pull=None):
+        if not self._line:
+            self._line = self._chip.get_line(int(self.id))
+            print("init line: ", int(self.id), self._line)
+
+        if mode != None:
+            if mode == self.IN:
+                flags = 0
+                if pull != None:
+                    if pull == self.PULL_UP:
+                        flags |= gpiod.LINE_REQ_FLAG_ACTIVE_LOW
+                    elif pull == self.PULL_DOWN:
+                        flags |= gpiod.LINE_REQ_FLAG_ACTIVE_HIGH
+                    else:
+                        raise RuntimeError("Invalid pull for pin: %s" % self.id)
+
+                self._mode = self.IN
+                self._line.release()
+                self._line.request(consumer=self._CONSUMER,
+                                   type=gpiod.LINE_REQ_DIR_IN,
+                                   flags=flags)
+
+            elif mode == self.OUT:
+                if pull != None:
+                    raise RuntimeError("Cannot set pull resistor on output")
+                self._mode = self.OUT
+                self._line.release()
+                self._line.request(consumer=self._CONSUMER,
+                                   type=gpiod.LINE_REQ_DIR_OUT)
+
+            else:
+                raise RuntimeError("Invalid mode for pin: %s" % self.id)
+
+    def value(self, val=None):
+        if val != None:
+            if val in (self.LOW, self.HIGH):
+                self._value = val
+                self._line.set_value(val)
+            else:
+                raise RuntimeError("Invalid value for pin")
+        else:
+            return self._line.get_value()