wasp: simulator: Add interupt support for CST816S

Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>

1 files changed, 13 insertions, 0 deletions

diff --git a/wasp/boards/simulator/machine.py b/wasp/boards/simulator/machine.py
index 1a5cf46..891b635 100644
--- a/wasp/boards/simulator/machine.py
+++ b/wasp/boards/simulator/machine.py
@@ -19,6 +19,7 @@ class ADC(Tracer):
 class Pin(object):
     IN = 'IN'
     OUT = 'OUT'
+    IRQ_FALLING = 'IRQ_FALLING'
 
     pins = {}
 
@@ -30,6 +31,9 @@ class Pin(object):
         # Update the pin registry
         self.pins[id] = self
 
+    def irq(self, trigger, handler):
+        self._handler = handler
+
     def init(self, d, value):
         self.value(value)
 
@@ -39,6 +43,9 @@ class Pin(object):
     def off(self):
         self.value(0)
 
+    def raise_irq(self):
+        self._handler(self)
+
     def value(self, v=None):
         if v is None:
             if not self._quiet:
@@ -90,6 +97,12 @@ class I2C():
         else:
             raise OSError
 
+    def writeto_mem(self, addr, reg, dbuf):
+        if self.sim:
+            self.sim.writeto_mem(addr, reg, dbuf, Pin.pins)
+        else:
+            raise OSError
+
 class Timer():
     def __init__(self, id, period=1000000):
         self.then = None