WiringPi used for RaspberryPi (Gpio, serial, Threads, ISRs)

1 files changed, 47 insertions, 0 deletions

diff --git a/2.3-1/macros/Hardware/RasberryPi/RPI_PinISR.sci b/2.3-1/macros/Hardware/RasberryPi/RPI_PinISR.sci
new file mode 100644
index 00000000..2de7d9e8
--- /dev/null
+++ b/2.3-1/macros/Hardware/RasberryPi/RPI_PinISR.sci
@@ -0,0 +1,47 @@
+function RPI_PinISR(pin, edgetype, fn)
+// Function to assign a function to be run when an interrupt occurs on 
+// specified pin. 
+//
+// Calling Sequence
+//	   RPI_PinISR(pin, edgetype, fn)
+//
+// Parameters
+//	   pin : pin whose interrupt is to be configured
+//	   edgetype: edge on which interrupt is to be monitored
+//				1 -> Falling egde
+//				2 -> Rising egde
+//				3 -> Both egde
+//	   fn: name of the function to be executed on interrupt occurance 	
+// Description
+//     This functions monitors interrupt on specified pin for specified edge,
+//	   When that interrupt occurs, function specified by 'fn' is executed.
+// Examples
+//		RPI_PinISR(12, 0, Pin12ISR) //executes 'Pin12ISR' on falling edge on 
+//										pin 12
+// See also
+//     RPI_ThreadCreate RPI_DigitalSetup
+//
+//
+// Authors
+//     Siddhesh Wani
+// -----------------------------------------------------------------
+
+// This is curretly dummy function. It provides no functionality but is required 
+// for providing support for generating C code for RPi.
+
+//Pins of header P1 which can be used as GPIO
+supported_pins = [3,5,7,8,10,11,12,13,15,16,18,19,21,22,23,24,26]
+	
+PinIsGPIO = members(pin, supported_pins); //Check if input pin supports GPIO
+
+//If given pin does not support GPIO functionality, raise the error
+if(PinIsGPIO == 0)
+	error(9999, 'SCI2CERROR: Given pin number doesnot support GPIO functionality.');
+end
+EdgeTypeSupported = members(edgetype,[1 2 3])
+
+if(EdgeTypeSupported == 0)
+	error(9999, 'SCI2CERROR: Given edgetype is incorrect. Please specify correct edgetype from [1,2,3]')
+end
+
+endfunction