added basic code

1 files changed, 107 insertions, 0 deletions

diff --git a/arduino/cores/nRF5/flash/flash_qspi.h b/arduino/cores/nRF5/flash/flash_qspi.h
new file mode 100755
index 0000000..24cdca4
--- /dev/null
+++ b/arduino/cores/nRF5/flash/flash_qspi.h
@@ -0,0 +1,107 @@
+/**************************************************************************/
+/*!
+    @file     flash_qspi.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_QSPI_H_
+#define FLASH_QSPI_H_
+
+#include "common_inc.h"
+
+#define FLASH_QSPI_PAGE_SIZE   4096
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+void flash_qspi_init (void);
+uint32_t flash_qspi_size (void);
+void flash_qspi_flush (void);
+bool flash_qspi_erase (uint32_t addr);
+bool flash_qspi_chiperase (void);
+
+uint32_t flash_qspi_write (uint32_t dst, void const * src, uint32_t len);
+uint32_t flash_qspi_read (void* dst, uint32_t src, uint32_t len);
+
+//--------------------------------------------------------------------+
+// Write helper
+//--------------------------------------------------------------------+
+static inline uint32_t flash_qspi_write8 (uint32_t dst, uint8_t num)
+{
+  flash_qspi_write(dst, &num, sizeof(num));
+  return sizeof(num);
+}
+
+static inline uint32_t flash_qspi_write16 (uint32_t dst, uint8_t num)
+{
+  flash_qspi_write(dst, &num, sizeof(num));
+  return sizeof(num);
+}
+static inline uint32_t flash_qspi_write32 (uint32_t dst, uint8_t num)
+{
+  flash_qspi_write(dst, &num, sizeof(num));
+  return sizeof(num);
+}
+
+//--------------------------------------------------------------------+
+// Read helper
+//--------------------------------------------------------------------+
+static inline uint8_t flash_qspi_read8 (uint32_t src)
+{
+  uint8_t num;
+  flash_qspi_read(&num, src, sizeof(num));
+  return num;
+}
+
+static inline uint16_t flash_qspi_read16 (uint32_t src)
+{
+  uint16_t num;
+  flash_qspi_read(&num, src, sizeof(num));
+  return num;
+}
+
+static inline uint16_t flash_qspi_read32 (uint32_t src)
+{
+  uint32_t num;
+  flash_qspi_read(&num, src, sizeof(num));
+  return num;
+}
+
+
+#ifdef __cplusplus
+ }
+#endif
+
+
+#endif /* FLASH_QSPI_H_ */