1 files changed, 106 insertions, 0 deletions
diff --git a/lib/bossac/src/Flash.cpp b/lib/bossac/src/Flash.cpp
new file mode 100644
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+++ b/lib/bossac/src/Flash.cpp
@@ -0,0 +1,106 @@
+///////////////////////////////////////////////////////////////////////////////
+// BOSSA
+//
+// Copyright (c) 2011-2018, ShumaTech
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * 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.
+//     * Neither the name of the <organization> 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 AND CONTRIBUTORS "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 <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.
+///////////////////////////////////////////////////////////////////////////////
+#include "Flash.h"
+
+#include <assert.h>
+
+Flash::Flash(Samba& samba,
+             const std::string& name,
+             uint32_t addr,
+             uint32_t pages,
+             uint32_t size,
+             uint32_t planes,
+             uint32_t lockRegions,
+             uint32_t user,
+             uint32_t stack)
+    : _samba(samba), _name(name), _addr(addr), _pages(pages), _size(size),
+      _planes(planes), _lockRegions(lockRegions), _user(user), _wordCopy(samba, user)
+{
+    assert((size & (size - 1)) == 0);
+    assert((pages & (pages - 1)) == 0);
+    assert((lockRegions & (lockRegions - 1)) == 0);
+
+    _wordCopy.setWords(size / sizeof(uint32_t));
+    _wordCopy.setStack(stack);
+
+    _onBufferA = true;
+
+    // page buffers will have the size of a physical page and will be situated right after the applet
+    _pageBufferA = ((_user + _wordCopy.size() + 3) / 4) * 4; // we need to avoid non 32bits aligned access on Cortex-M0+
+    _pageBufferB = _pageBufferA + size;
+}
+
+void
+Flash::setLockRegions(const std::vector<bool>& regions)
+{
+    if (regions.size() > _lockRegions)
+        throw FlashRegionError();
+
+    _regions.set(regions);
+}
+
+void
+Flash::setSecurity()
+{
+    _security.set(true);
+}
+
+void
+Flash::setBor(bool enable)
+{
+    if (canBor())
+        _bor.set(enable);
+}
+
+void
+Flash::setBod(bool enable)
+{
+    if (canBod())
+        _bod.set(enable);
+}
+
+void
+Flash::setBootFlash(bool enable)
+{
+    if (canBootFlash())
+        _bootFlash.set(enable);
+}
+
+void
+Flash::loadBuffer(const uint8_t* data, uint16_t bufferSize)
+{
+    _samba.write(_onBufferA ? _pageBufferA : _pageBufferB, data, bufferSize);
+}
+
+void
+Flash::writeBuffer(uint32_t dst_addr, uint32_t size)
+{
+    _samba.writeBuffer(_onBufferA ? _pageBufferA : _pageBufferB, dst_addr + _addr, size);
+}
+