From 4a5a431b55b896ef6fdb630ae4c5cad1b21f2cb7 Mon Sep 17 00:00:00 2001
From: Derek Christ <dchrist@rhrk.uni-kl.de>
Date: Sat, 19 Nov 2022 16:06:14 +0100
Subject: [PATCH] Fix timer blinky using interrupts (real board still does not
 work)

---
 programs/timer_blinky.prog | 14 ++------------
 soc/top/top.vhd            |  2 +-
 2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/programs/timer_blinky.prog b/programs/timer_blinky.prog
index d475432..7310cc7 100644
--- a/programs/timer_blinky.prog
+++ b/programs/timer_blinky.prog
@@ -21,10 +21,8 @@ timer_status_addr: .word 0x000F000C
 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
-random_value: .word 0xFF
-random_value2: .word 0xAA
+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
@@ -53,19 +51,11 @@ main:
     addi r2, 0x3 // enable and repeat bit set
     st32 r1, r2
 
-    // Set LEDs to some value
-    ldr r4, >random_value
-    st08 r0, r4
-
 loop:
     br >loop
     nop
 
 timer_interrupt_handler:
-    // Set LEDs to some value too see if handler is triggered
-    ldr r4, >random_value2
-    st08 r0, r4
-
      clr r10
      addi r10, 1
      cmp eq r9, r10
diff --git a/soc/top/top.vhd b/soc/top/top.vhd
index e0667cb..296a09f 100644
--- a/soc/top/top.vhd
+++ b/soc/top/top.vhd
@@ -14,7 +14,7 @@ use work.lt16soc_peripherals.all;
 
 entity lt16soc_top is
 generic(
-	programfilename : string := "../../programs/segments_test.ram" -- see "Synthesize XST" process properties for actual value ("-generics" in .xst file)!
+	programfilename : string := "../../programs/timer_blinky.ram" -- see "Synthesize XST" process properties for actual value ("-generics" in .xst file)!
 );
 port(
 	-- clock signal