Add stub functions to all board drivers, so that demos can be compiled with BOARD...
[pub/lufa.git] / LUFA / Drivers / Board / Buttons.h
index 5c9cd75..9e31935 100644 (file)
  *  \code
  *      // Initialize the button driver before first use
  *      Buttons_Init();
- *      
+ *
  *      printf("Waiting for button press...\r\n");
- *      
+ *
  *      // Loop until a board button has been pressed
  *      uint8_t ButtonPress;
  *      while (!(ButtonPress = Buttons_GetStatus())) {};
- *      
+ *
  *      // Display which button was pressed (assuming two board buttons)
  *      printf("Button pressed: %s\r\n", (ButtonPress == BUTTONS_BUTTON1) ? "Button 1" : "Button 2");
  *  \endcode
@@ -92,7 +92,9 @@
                #include "../../Common/Common.h"
 
                #if (BOARD == BOARD_NONE)
-                       #error The Board Buttons driver cannot be used if the makefile BOARD option is not set.
+                       #define BUTTONS_BUTTON1  0
+                       static inline void       Buttons_Init(void) {};
+                       static inline uint_reg_t Buttons_GetStatus(void) { return 0; };
                #elif (BOARD == BOARD_USBKEY)
                        #include "AVR8/USBKEY/Buttons.h"
                #elif (BOARD == BOARD_STK525)