From 78bd57f464411cff106c569e0e51164974ef8ba9 Mon Sep 17 00:00:00 2001
From: bwisn <bwisn_dev@outlook.com>
Date: Sat, 13 Nov 2021 17:30:45 +0100
Subject: [PATCH] update IAP comments, defines

---
 keyboards/annepro2/annepro2.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/keyboards/annepro2/annepro2.c b/keyboards/annepro2/annepro2.c
index 4545a839ddf..74bb2edcf76 100644
--- a/keyboards/annepro2/annepro2.c
+++ b/keyboards/annepro2/annepro2.c
@@ -21,8 +21,8 @@
 #include "ap2_led.h"
 #include "protocol.h"
 
-#define MSP_STACK_POINTER 0x20001ffc
-#define IAP_MODE 0x0000fab2
+#define RAM_MAGIC_LOCATION 0x20001ffc
+#define IAP_MAGIC_VALUE 0x0000fab2
 
 static const SerialConfig ledUartInitConfig = {
     .speed = 115200,
@@ -64,7 +64,9 @@ void bootloader_jump(void) {
     wait_ms(15);
 
     // Magic key to set keyboard to IAP
-    *((uint32_t *)MSP_STACK_POINTER) = IAP_MODE;
+    // It’s from reversing original boot loader
+    // If value is that it stays in boot loader aka IAP
+    *((uint32_t *)RAM_MAGIC_LOCATION) = IAP_MAGIC_VALUE;
 
     // Load the main MCU into IAP
     __disable_irq();