1 files changed, 69 insertions, 0 deletions
diff --git a/arduino/cores/nRF5/flash/flash_cache.h b/arduino/cores/nRF5/flash/flash_cache.h
new file mode 100755
index 0000000..792fe83
--- /dev/null
+++ b/arduino/cores/nRF5/flash/flash_cache.h
@@ -0,0 +1,69 @@
+/**************************************************************************/
+/*!
+    @file     flash_cache.h
+    @author   hathach (tinyusb.org)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2018, Adafruit Industries (adafruit.com)
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+
+#ifndef FLASH_CACHE_H_
+#define FLASH_CACHE_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#define FLASH_CACHE_SIZE          4096        // must be a erasable page size
+#define FLASH_CACHE_INVALID_ADDR  0xffffffff
+
+typedef struct
+{
+    bool (*erase) (uint32_t addr);
+    uint32_t (*program) (uint32_t dst, void const * src, uint32_t len);
+    uint32_t (*read) (void* dst, uint32_t src, uint32_t len);
+    bool (*verify) (uint32_t addr, void const * buf, uint32_t len);
+
+    uint32_t cache_addr;
+    uint8_t* cache_buf;
+} flash_cache_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint32_t flash_cache_write (flash_cache_t* fc, uint32_t dst, void const *src, uint32_t count);
+void flash_cache_flush (flash_cache_t* fc);
+void flash_cache_read (flash_cache_t* fc, void* dst, uint32_t addr, uint32_t count);
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* FLASH_CACHE_H_ */