commit c2ab15050d09a0c294a52461b49cffa9e1d6012d
parent 11470e33b0b0ac3b99f744929baaf120ba1e2641
Author: Matsuda Kenji <info@mtkn.jp>
Date: Thu, 16 Mar 2023 13:30:52 +0900
change reg names
Diffstat:
| M | main.s | | | 39 | ++++++++++++++++++++++----------------- |
1 file changed, 22 insertions(+), 17 deletions(-)
diff --git a/main.s b/main.s
@@ -30,7 +30,9 @@ main:
str r1, [r0, #0x10] // ROSC_DIV
// reset gpio
- ldr r0, reset_base
+ ldr r0, resets_base
+ ldr r1, atomic_clr
+ add r0, r0, r1
mov r2, #0x1
lsl r1, r2, #5
lsl r2, r2, #22
@@ -38,9 +40,9 @@ main:
str r1, [r0, #0]
// check if reset is done
+ ldr r0, resets_base
reset_chk:
- ldr r0, reset_done
- ldr r2, [r0, #0]
+ ldr r2, [r0, #0x8]
and r1, r1, r2
beq reset_chk
@@ -51,10 +53,10 @@ reset_chk:
str r1, [r0, #0]
// enable output
- ldr r0, gpio_oe_set
+ ldr r0, sio_base
mov r1, #1
lsl r1, r1, #24
- str r1, [r0, #0]
+ str r1, [r0, #0x24]
loop:
bl led_blink
@@ -62,15 +64,15 @@ loop:
led_blink:
push {lr}
- ldr r0, gpio_out
+ ldr r0, sio_base
mov r1, #1
lsl r1, r1, #24
mov r3, #0
// assert gpio24
- str r1, [r0, #0]
+ str r1, [r0, #0x10]
bl delay
// deassert gpio24
- str r3, [r0, #0]
+ str r3, [r0, #0x10]
bl delay
pop {pc}
@@ -85,11 +87,17 @@ del_loop:
.align 2
+atomic_set:
+ .word 0x00002000
+
+atomic_clr:
+ .word 0x00003000
+
clocks_base:
.word 0x40008000
-reset_base:
- .word 0x4000f000
+resets_base:
+ .word 0x4000c000
reset_done:
.word 0x4000c008
@@ -97,14 +105,11 @@ reset_done:
io_bank0_base:
.word 0x40014000
-uart0_base:
- .word 0x40034000
+xosc_base:
+ .word 0x40024000
rosc_base:
.word 0x40060000
-gpio_out:
- .word 0xd0000010
-
-gpio_oe_set:
- .word 0xd0000024
+sio_base:
+ .word 0xd0000000
