move last few files from src_board / include_board

1 files changed, 108 insertions, 0 deletions

diff --git a/firmware/atmel_softpack_libraries/libchip_sam3s/include/bitbanding.h b/firmware/atmel_softpack_libraries/libchip_sam3s/include/bitbanding.h
new file mode 100644
index 0000000..a3ca501
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+++ b/firmware/atmel_softpack_libraries/libchip_sam3s/include/bitbanding.h
@@ -0,0 +1,108 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * 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 disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL 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 _BITBANDING_
+#define _BITBANDING_
+
+/*----------------------------------------------------------------------------
+ *  \file bitbanding.h
+ *  Include Defines & macros for bit-banding.
+ *----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+ *         Header files
+ *----------------------------------------------------------------------------*/
+
+#include <stdint.h>
+
+/*----------------------------------------------------------------------------
+ *         Global Macros
+ *----------------------------------------------------------------------------*/
+
+/**
+ *  \brief Check if the address is in bit banding sram region.
+ *
+ *  \note The address should be in area of 0x2000000 ~ 0x200FFFFF
+ *
+ *  \param x The address to check.
+ */
+#define IS_BITBAND_SRAM_ADDR(x)       \
+    ( ((uint32_t)(x)) >= 0x20000000 && \
+      ((uint32_t)(x)) < (0x20000000+0x100000) )
+
+/**
+ *  \brief Check if the address is in bit banding peripheral region
+ *
+ *  \note The address should be in area of 0x4000000 ~ 0x400FFFFF
+ *  \param x The address to check
+ */
+#define IS_BITBAND_PERIPH_ADDR(x)       \
+    ( ((uint32_t)(x)) >= 0x40000000 && \
+      ((uint32_t)(x)) < (0x40000000+0x100000) )
+
+/**
+ *  \brief Calculate bit band alias address.
+ * 
+ *  Calculate the bit band alias address and return a pointer address to word.
+ *
+ *  \param addr The byte address of bitbanding bit.
+ *  \param bit  The bit position of bitbanding bit.
+ *  \callergraph
+ */
+#define BITBAND_ALIAS_ADDRESS(addr, bit) \
+    ((volatile uint32_t*)((((uint32_t)(addr) & 0xF0000000) + 0x02000000) \
+                          +((((uint32_t)(addr)&0xFFFFF)*32)\
+                          +(  (uint32_t)(bit)*4))))
+
+/**
+ *  \brief Bit write through bit banding.
+ *
+ *  \param addr32 32-bit aligned byte address where the bit exists.
+ *  \param bit    Bit position.
+ *  \param val    The value that the bit is set to.
+ *  \callergraph
+ */
+#define WRITE_BITBANDING(addr32, bit, val) do {\
+        *BITBAND_ALIAS_ADDRESS(addr32,bit) = (val); \
+    } while (0);
+
+/**
+ *  \brief Toggle bit through bit banding
+ *
+ *  \param addr32 32-bit aligned byte address where the bit exists.
+ *  \param bit    Bit position.
+ */
+#define TOGGLE_BITBANDING(addr32, bit) do {\
+        volatile uint32_t * p = \
+            BITBAND_ALIAS_ADDRESS(addr32,bit); \
+        if (*p) *p = 0; \
+        else    *p = 1; \
+    }while(0);
+
+#endif /* #ifndef _BITBANDING_ */