X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Finterrupts.c;h=5327588fb12be0df7822d7e250f520c33d70a7bd;hp=fa1fcc1f82dccc54816d7d26ea12aad43692c795;hb=9ffcb052da56307e852aee2f7e9bf7a0fe2402c9;hpb=6543545b048b7059941b0f6680227ec4ce26535e

diff --git a/betty/interrupts.c b/betty/interrupts.c
index fa1fcc1..5327588 100644
--- a/betty/interrupts.c
+++ b/betty/interrupts.c
@@ -11,6 +11,40 @@
  * functions
  */
 
+void interrupt_set_default_callback(void *callback) {
+
+	VICDefVectAddr=(u32)callback;
+	
+}
+
+void interrupt_clear(u8 src_number) {
+
+	VICIntEnClear=(1<<src_number);
+
+}
+
+int interrupt_enable(u8 src_number,u8 mode,u8 priority,void *callback) {
+
+	/* check whether this ir source is allready assigned */
+	if(VICIntEnable&(1<<src_number))
+		return INTERRUPT_EINUSE;
+
+	/* force interrupt */
+	VICIntEnable=(1<<src_number);
+
+	switch(mode) {
+		case INTERRUPT_FIQ:
+			VICIntSelect|=(1<<src_number);
+			break;
+		case INTERRUPT_VIRQ:
+			
+		case INTERRUPT_IRQ:
+		case default:
+	}
+
+	return INTERRUPT_SET;
+}
+
 /*
  * the actual exception handlers (as defined in startup.s)
  */
@@ -35,10 +69,6 @@ void interrupt_handler_prefetch_abort(void) {
 void interrupt_handler_data_abort(void) {
 }
 
-// irq
-void interrupt_handler_irq(void) {
-}
-
 // fiq
 void interrupt_handler_fiq(void) {
 }