Set up testbench with 2 SOCs that communicate with CAN

programs/interrupt_test.prog

@@ -20,15 +20,11 @@ can_interrupt:
 
 .align
 led_addr: .word 0x000F0000
-timer_counter_addr: .word 0x000F0008
-timer_status_addr: .word 0x000F000C
+switches_addr: .word 0x000F0004
 dmem_start_addr: .word 0x00000400
 dmem_end_addr: .word 0x000004FC
 priority_mask: .word 0xFFFFFF03
 
-// timer_target_value: .word 127 // for simulation
-timer_target_value: .word 0xF10000 // for real board
-
 main:
     // Initialize stack pointer to the end of the data memory
     ldr r12, >dmem_end_addr
@@ -37,29 +33,22 @@ main:
     ldr r0, >priority_mask
     and r14, r0, r14
 
-    ldr r0,>led_addr               // LED addr
-    ldr r1,>timer_status_addr      // Timer addr
-    ldr r3,>timer_counter_addr     // Timer addr
-
-    // Set LED to pattern
-    clr r2
-    addi r2, 0x7A
-    st08 r0, r2
-
-    // Enable the timer...
-    ldr r2, >timer_target_value
-    st32 r3, r2
-
-    clr r2
-    addi r2, 0x1 // enable bit set
-    st32 r1, r2
+    ldr r0, >led_addr
+    ldr r1, >switches_addr
 
 loop:
     br >loop
     nop
 
-timer_interrupt_handler:
+switches_interrupt_handler:
+    ld32 r2, r1
+
     // Set LED to pattern
-    clr r2
-    addi r2, 0x0C
     st08 r0, r2
+    
+    reti
+    nop
+
+can_interrupt_handler:
+    reti
+    nop