1 files changed, 0 insertions, 46 deletions
diff --git a/software/first/set_LED.S b/software/first/set_LED.S
deleted file mode 100644
index 0785d43..0000000
--- a/software/first/set_LED.S
+++ /dev/null
@@ -1,46 +0,0 @@
-.section .text
-.align 2
-.global set_LED
-.include "memory_map.inc"
-.include "gpio.inc"
-
-.equ  NOERROR,  0x0
-.equ  ERROR,    0x1
-.equ  LEDON,    0x1
-
-# a0 contains LED to set, desired LED state in a1
-# a0 is also the return value...
-
-set_LED:
-	addi sp, sp, -16 # Allocate stack frame
-	sw ra, 12(sp)    # save return address to the stack
-
-	li t0, GPIO_CTRL_ADDR      # load base GPIO address 
-	lw t1, GPIO_OUTPUT_VAL(t0) # load state
-
-	beqz a1, ledOff   # branch if == 0
-	li t2, LEDON      # load up on val into t2
-
-	beq a1, t2, ledOn # branch if on requested
-	li  a0, ERROR     # bad status request, return error
-	j exit
-
-
-ledOn:
-	or t1, t1, a0               # only change the value of the requested LED (xor in the video)
-	sw t1, GPIO_OUTPUT_VAL(t0)  # write new LED values to the right address
-	li a0, NOERROR              # success
-	j exit
-
-
-ledOff:
-	xor a0, a0, 0xffffffff       # invert bits so off bits are off
-	and t1, t1, a0               # turn of LEDs
-	sw t1, GPIO_OUTPUT_VAL(t0)   # write new LED values to the right address
-	li  a0, NOERROR              # success
-
-
-exit:
-	lw ra, 12(sp)   # load return address
-	addi sp, sp, 16 # deallocate stack frame
-	ret