From d01b3bb1e7565638e2275e6081dcb106c1fcdb41 Mon Sep 17 00:00:00 2001
From: hackbard <hackbard@sage.physik.uni-augsburg.de>
Date: Tue, 18 Sep 2007 17:47:58 +0200
Subject: [PATCH 1/1] some interrupt stuff, now basketball ...

---
 betty/interrupts.c | 29 +++++++++++++++++++++++++++--
 betty/interrupts.h | 26 ++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/betty/interrupts.c b/betty/interrupts.c
index 61cf1af..41945cf 100644
--- a/betty/interrupts.c
+++ b/betty/interrupts.c
@@ -11,12 +11,37 @@
  * functions
  */
 
-void interrupt_set_default_callback(t_interrupt *ir,void *callback) {
+void interrupt_set_default_callback(void *callback) {
 
-	ir->default_callback=callback;
+	VICDefVectAddr=(u32)callback;
+	
 }
 
+void interrupt_clear(u8 src_number) {
 
+}
+
+int interrupt_set(u8 src_number,u8 mode,u8 priority,void *callback) {
+
+	/* check whether this ir source is allready assigned */
+	if(VICSoftInt&(1<<src_number))
+		return INTERRUPT_EINUSE;
+	
+	/* force interrupt */
+	VICSoftInt|=(1<<src_number);
+	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)
diff --git a/betty/interrupts.h b/betty/interrupts.h
index 20bb333..ab93f8f 100644
--- a/betty/interrupts.h
+++ b/betty/interrupts.h
@@ -15,11 +15,37 @@
 
 #define INTERRUPT_MAX_VIC		16
 
+#define INTERRUPT_WATCHDOG		0
+#define INTERRUPT_DBG_COMM_RX		2
+#define INTERRUPT_DBG_COMM_TX		3
+#define INTERRUPT_TIMER0		4
+#define INTERRUPT_TIMER1		5
+#define INTERRUPT_UART0			6
+#define INTERRUPT_UART1			7
+#define INTERRUPT_PWM			8
+#define INTERRUPT_I2C			9
+#define INTERRUPT_SPI0			10
+#define INTERRUPT_SPI1			11
+#define INTERRUPT_PLL			12
+#define INTERRUPT_RTC			13
+#define INTERRUPT_EINT0			14
+#define INTERRUPT_EINT1			15
+#define INTERRUPT_EINT2			16
+#define INTERRUPT_EINT3			17
+#define INTERRUPT_ADC			18
+
+#define INTERRUPT_IRQ			0
+#define INTERRUPT_VIRQ			1
+#define INTERRUPT_FIQ			2
+
 #define INTERRUPT_EXT_MODE_EDGE		0
 #define INTERRUPT_EXT_MODE_LEVEL	1
 #define INTERRUPT_EXT_POLAR_LOW		0
 #define INTERRUPT_EXT_POLAR_HIGH	1
 
+#define INTERRUPT_SET			0x00
+#define INTERRUPT_EINUSE		0x01
+
 /* type definitions */
 
 typedef struct s_interrupt {
-- 
2.20.1