X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Fbbb_pin.h;h=9eb011e8972133acde82db52f265f269eea0a4fd;hb=7bc38c06d9c9854feeceaeefe6b01a15b3d514df;hp=04c02b6e17af16d99b4d407259f45c7d499c5232;hpb=4329461b6c36abf14a97226c5021e473485477a6;p=matches%2FMCTX3420.git

diff --git a/server/bbb_pin.h b/server/bbb_pin.h
index 04c02b6..9eb011e 100644
--- a/server/bbb_pin.h
+++ b/server/bbb_pin.h
@@ -10,26 +10,51 @@
 
 #include "bbb_pin_defines.h"
 
+#if defined(_BBB) || defined(_BBB_PIN_SRC)
 // Initialise / Deinitialise functions
-extern void GPIO_Export(int pin);
+extern bool GPIO_Export(int pin);
 extern void GPIO_Unexport(int pin);
 
-extern void PWM_Export(int pin);
+extern bool PWM_Export(int pin);
 extern void PWM_Unexport(int pin);
 
-extern void ADC_Export();
-extern void ADC_Unexport();
+extern bool ADC_Export(int pin);
+extern void ADC_Unexport(int pin);
 
 // Pin reading/setting functions
-extern bool GPIO_Read(int pin);
-extern void GPIO_Set(int pin, bool value);
+extern bool GPIO_Read(int pin, bool *result);
+extern bool GPIO_Set(int pin, bool value);
 
-extern int ADC_Read(int pin);
+extern bool ADC_Read(int id, int *value);
 
-extern void PWM_Set(int pin, bool polarity, long period, long duty); // period and duty are in ns
-extern void PWM_Stop(int pin);
+extern bool PWM_Set(int pin, bool polarity, long period, long duty); // period and duty are in ns
+extern bool PWM_Stop(int pin);
 
+#else
+//'Empty' defines so it compiles on any platform that's not the BBB
 
+extern bool GPIO_Export(int pin);
+extern void GPIO_Unexport(int pin);
+
+#define GPIO_Export(pin) true
+#define GPIO_Unexport(pin)
+
+#define PWM_Export(pin) true
+#define PWM_Unexport(pin)
+
+#define ADC_Export(pin) true
+#define ADC_Unexport(pin)
+
+//Hack to both zero the result field (so it's never uninitialised) and return true
+#define GPIO_Read(pin, result) ((*(result) = 0) == 0)
+#define GPIO_Set(pin, value) true
+
+#define ADC_Read(id, value) ((*(value) = 0) == 0)
+
+#define PWM_Set(pin, polarity, period, duty) true
+#define PWM_Stop(pin) true
+
+#endif //_BBB
 
 #endif //_BBB_PIN_H