From c1405b06d98b9b227fa7ff53c158f31d745eb505 Mon Sep 17 00:00:00 2001
From: Josh Rahm <joshuarahm@gmail.com>
Date: Wed, 18 Nov 2020 21:11:01 -0700
Subject: Reorganize some file. Put thte core register libraries in a core/
 subdirectory.

---
 02-usart/include/core/flash.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 02-usart/include/core/flash.h

(limited to '02-usart/include/core/flash.h')

diff --git a/02-usart/include/core/flash.h b/02-usart/include/core/flash.h
new file mode 100644
index 0000000..a163a25
--- /dev/null
+++ b/02-usart/include/core/flash.h
@@ -0,0 +1,20 @@
+#ifndef H__FLASH_
+#define H__FLASH_
+
+#include "common.h"
+
+/*
+ * Header file for dealing with flash.
+ */
+
+#define FLASH_BASE 0x40022000
+
+typedef struct {
+  __IO uint32_t ac_r; /* Flash access control register. */
+
+  /* TODO fill out the rest. */
+} PACKED flash_t;
+
+#define FLASH (*(__IO flash_t*)FLASH_BASE)
+
+#endif /* H__FLASH_ */
-- 
cgit