X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Finterrupts.c;fp=betty%2Finterrupts.c;h=49ea0cdc488a81017170096921be0bea8aee2481;hp=bb2344cca56897fe873747d8de306d0bbca3711f;hb=a409cb5b36482767f766ec9efc5dbecaa2274660;hpb=202c5cb4442b81aa5d0f7389b6dca62b2c121ac1

diff --git a/betty/interrupts.c b/betty/interrupts.c
index bb2344c..49ea0cd 100644
--- a/betty/interrupts.c
+++ b/betty/interrupts.c
@@ -7,10 +7,7 @@
 
 #include "interrupts.h"
 
-/*
- * module static interrupt variable
- */
-
+// 'module global' interrupt variable
 static t_interrupt interrupt;
 
 /*
@@ -80,21 +77,34 @@ int interrupt_enable(u8 src_number,u8 mode,u8 priority,u32 callback_addr) {
 	VICIntEnable=(1<<src_number);
 
 	switch(mode) {
-		case INTERRUPT_FIQ:
+		case INTERRUPT_MODE_FIQ:
 			VICIntSelect|=(1<<src_number);
 			break;
-		case INTERRUPT_VIRQ:
+		case INTERRUPT_MODE_VIRQ:
 			if(addr[p]&0x3f)
 				return INTERRUP_PRIORITY_USED;
 			*((volatile u32 *)(addr+p))=callback_addr;
 			*((volatile u32 *)(cntl+p))=src_number&0x1f+(1<<5);
-		case INTERRUPT_IRQ:
+		case INTERRUPT_MODE_IRQ:
 		case default:
 	}
 
 	return INTERRUPT_SET;
 }
 
+void interrupt_ext_ir_config(u8 eint,u8 wakeup,u8 mode,u8 polarity) {
+
+	if(eint>3)
+		return;
+
+	if(wakeup)
+		EXTWAKE=(EXTWAKE&0xf)|(1<<eint);
+
+	EXTMODE=(EXTMODE&0xf)|(mode<<eint);
+	EXTPOLAR=(EXTPOLAR&0xf)|(polarity<<eint);
+	EXTINT=(EXTINT&0xf)|(1<<eint);
+}
+
 /*
  * the actual exception handlers (as defined in startup.s)
  */