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authorCristian Maglie <c.maglie@bug.st>2012-10-18 15:50:09 +0200
committerCristian Maglie <c.maglie@bug.st>2012-10-18 15:50:09 +0200
commit6a45ba48ab1f2d0a168373a02ba7fded40a3470e (patch)
tree163448869b4dfcbce95dc877ffff61a709fba6b6 /firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC
parentc313b54c00635f1be14a1b09617dc9b8b562e589 (diff)
parent6d296e0faba5b9910084c307a3f93cb2653bf7f8 (diff)
Merged upstream arduino branch
Diffstat (limited to 'firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC')
-rw-r--r--firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c1117
-rw-r--r--firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.h1002
2 files changed, 2119 insertions, 0 deletions
diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c
new file mode 100644
index 0000000..2eee15c
--- /dev/null
+++ b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c
@@ -0,0 +1,1117 @@
+/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
+
+/*This file is prepared for Doxygen automatic documentation generation.*/
+/*! \file *********************************************************************
+ *
+ * \brief FLASHC driver for AVR32 UC3.
+ *
+ * AVR32 Flash Controller driver module.
+ *
+ * - Compiler: IAR EWAVR32 and GNU GCC for AVR32
+ * - Supported devices: All AVR32 devices with a FLASHC module can be used.
+ * - AppNote:
+ *
+ * \author Atmel Corporation: http://www.atmel.com \n
+ * Support and FAQ: http://support.atmel.no/
+ *
+ ******************************************************************************/
+
+/* 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:
+ *
+ * 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. The name of Atmel may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an Atmel
+ * AVR product.
+ *
+ * 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
+ * EXPRESSLY AND SPECIFICALLY 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
+ *
+ */
+
+#include <avr32/io.h>
+#include <stddef.h>
+#include "compiler.h"
+#include "flashc.h"
+
+
+/*! \name FLASHC Writable Bit-Field Registers
+ */
+//! @{
+
+typedef union
+{
+ unsigned long fcr;
+ avr32_flashc_fcr_t FCR;
+} u_avr32_flashc_fcr_t;
+
+typedef union
+{
+ unsigned long fcmd;
+ avr32_flashc_fcmd_t FCMD;
+} u_avr32_flashc_fcmd_t;
+
+//! @}
+
+
+/*! \name Flash Properties
+ */
+//! @{
+
+
+unsigned int flashc_get_flash_size(void)
+{
+#if (defined AVR32_FLASHC_300_H_INCLUDED)
+ static const unsigned int FLASH_SIZE[1 << AVR32_FLASHC_PR_FSZ_SIZE] =
+ {
+ 32 << 10,
+ 64 << 10,
+ 128 << 10,
+ 256 << 10,
+ 384 << 10,
+ 512 << 10,
+ 768 << 10,
+ 1024 << 10
+ };
+ return FLASH_SIZE[(AVR32_FLASHC.pr & AVR32_FLASHC_PR_FSZ_MASK) >> AVR32_FLASHC_PR_FSZ_OFFSET];
+#else
+ static const unsigned int FLASH_SIZE[1 << AVR32_FLASHC_FSR_FSZ_SIZE] =
+ {
+ 32 << 10,
+ 64 << 10,
+ 128 << 10,
+ 256 << 10,
+ 384 << 10,
+ 512 << 10,
+ 768 << 10,
+ 1024 << 10
+ };
+ return FLASH_SIZE[(AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_FSZ_MASK) >> AVR32_FLASHC_FSR_FSZ_OFFSET];
+#endif
+}
+
+
+unsigned int flashc_get_page_count(void)
+{
+ return flashc_get_flash_size() / AVR32_FLASHC_PAGE_SIZE;
+}
+
+
+unsigned int flashc_get_page_count_per_region(void)
+{
+ return flashc_get_page_count() / AVR32_FLASHC_REGIONS;
+}
+
+
+unsigned int flashc_get_page_region(int page_number)
+{
+ return ((page_number >= 0) ? page_number : flashc_get_page_number()) / flashc_get_page_count_per_region();
+}
+
+
+unsigned int flashc_get_region_first_page_number(unsigned int region)
+{
+ return region * flashc_get_page_count_per_region();
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Control
+ */
+//! @{
+
+
+unsigned int flashc_get_wait_state(void)
+{
+ return (AVR32_FLASHC.fcr & AVR32_FLASHC_FCR_FWS_MASK) >> AVR32_FLASHC_FCR_FWS_OFFSET;
+}
+
+
+void flashc_set_wait_state(unsigned int wait_state)
+{
+ u_avr32_flashc_fcr_t u_avr32_flashc_fcr = {AVR32_FLASHC.fcr};
+ u_avr32_flashc_fcr.FCR.fws = wait_state;
+ AVR32_FLASHC.fcr = u_avr32_flashc_fcr.fcr;
+}
+
+
+Bool flashc_is_ready_int_enabled(void)
+{
+ return ((AVR32_FLASHC.fcr & AVR32_FLASHC_FCR_FRDY_MASK) != 0);
+}
+
+
+void flashc_enable_ready_int(Bool enable)
+{
+ u_avr32_flashc_fcr_t u_avr32_flashc_fcr = {AVR32_FLASHC.fcr};
+ u_avr32_flashc_fcr.FCR.frdy = (enable != FALSE);
+ AVR32_FLASHC.fcr = u_avr32_flashc_fcr.fcr;
+}
+
+
+Bool flashc_is_lock_error_int_enabled(void)
+{
+ return ((AVR32_FLASHC.fcr & AVR32_FLASHC_FCR_LOCKE_MASK) != 0);
+}
+
+
+void flashc_enable_lock_error_int(Bool enable)
+{
+ u_avr32_flashc_fcr_t u_avr32_flashc_fcr = {AVR32_FLASHC.fcr};
+ u_avr32_flashc_fcr.FCR.locke = (enable != FALSE);
+ AVR32_FLASHC.fcr = u_avr32_flashc_fcr.fcr;
+}
+
+
+Bool flashc_is_prog_error_int_enabled(void)
+{
+ return ((AVR32_FLASHC.fcr & AVR32_FLASHC_FCR_PROGE_MASK) != 0);
+}
+
+
+void flashc_enable_prog_error_int(Bool enable)
+{
+ u_avr32_flashc_fcr_t u_avr32_flashc_fcr = {AVR32_FLASHC.fcr};
+ u_avr32_flashc_fcr.FCR.proge = (enable != FALSE);
+ AVR32_FLASHC.fcr = u_avr32_flashc_fcr.fcr;
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Status
+ */
+//! @{
+
+
+Bool flashc_is_ready(void)
+{
+ return ((AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_FRDY_MASK) != 0);
+}
+
+
+void flashc_default_wait_until_ready(void)
+{
+ while (!flashc_is_ready());
+}
+
+
+void (*volatile flashc_wait_until_ready)(void) = flashc_default_wait_until_ready;
+
+
+/*! \brief Gets the error status of the FLASHC.
+ *
+ * \return The error status of the FLASHC built up from
+ * \c AVR32_FLASHC_FSR_LOCKE_MASK and \c AVR32_FLASHC_FSR_PROGE_MASK.
+ *
+ * \warning This hardware error status is cleared by all functions reading the
+ * Flash Status Register (FSR). This function is therefore not part of
+ * the driver's API which instead presents \ref flashc_is_lock_error
+ * and \ref flashc_is_programming_error.
+ */
+static unsigned int flashc_get_error_status(void)
+{
+ return AVR32_FLASHC.fsr & (AVR32_FLASHC_FSR_LOCKE_MASK |
+ AVR32_FLASHC_FSR_PROGE_MASK);
+}
+
+
+//! Sticky error status of the FLASHC.
+//! This variable is updated by functions that issue FLASHC commands. It
+//! contains the cumulated FLASHC error status of all the FLASHC commands issued
+//! by a function.
+static unsigned int flashc_error_status = 0;
+
+
+Bool flashc_is_lock_error(void)
+{
+ return ((flashc_error_status & AVR32_FLASHC_FSR_LOCKE_MASK) != 0);
+}
+
+
+Bool flashc_is_programming_error(void)
+{
+ return ((flashc_error_status & AVR32_FLASHC_FSR_PROGE_MASK) != 0);
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Command Control
+ */
+//! @{
+
+
+unsigned int flashc_get_command(void)
+{
+ return (AVR32_FLASHC.fcmd & AVR32_FLASHC_FCMD_CMD_MASK) >> AVR32_FLASHC_FCMD_CMD_OFFSET;
+}
+
+
+unsigned int flashc_get_page_number(void)
+{
+ return (AVR32_FLASHC.fcmd & AVR32_FLASHC_FCMD_PAGEN_MASK) >> AVR32_FLASHC_FCMD_PAGEN_OFFSET;
+}
+
+
+void flashc_issue_command(unsigned int command, int page_number)
+{
+ u_avr32_flashc_fcmd_t u_avr32_flashc_fcmd;
+ flashc_wait_until_ready();
+ u_avr32_flashc_fcmd.fcmd = AVR32_FLASHC.fcmd;
+ u_avr32_flashc_fcmd.FCMD.cmd = command;
+ if (page_number >= 0) u_avr32_flashc_fcmd.FCMD.pagen = page_number;
+ u_avr32_flashc_fcmd.FCMD.key = AVR32_FLASHC_FCMD_KEY_KEY;
+ AVR32_FLASHC.fcmd = u_avr32_flashc_fcmd.fcmd;
+ flashc_error_status = flashc_get_error_status();
+ flashc_wait_until_ready();
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Global Commands
+ */
+//! @{
+
+
+void flashc_no_operation(void)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_NOP, -1);
+}
+
+
+void flashc_erase_all(void)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EA, -1);
+}
+
+
+//! @}
+
+
+/*! \name FLASHC Protection Mechanisms
+ */
+//! @{
+
+
+Bool flashc_is_security_bit_active(void)
+{
+ return ((AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_SECURITY_MASK) != 0);
+}
+
+
+void flashc_activate_security_bit(void)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_SSB, -1);
+}
+
+
+unsigned int flashc_get_bootloader_protected_size(void)
+{
+ unsigned int bootprot = (1 << AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE) - 1 -
+ flashc_read_gp_fuse_bitfield(AVR32_FLASHC_FGPFRLO_BOOTPROT_OFFSET,
+ AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE);
+ return (bootprot) ? AVR32_FLASHC_PAGE_SIZE << bootprot : 0;
+}
+
+
+unsigned int flashc_set_bootloader_protected_size(unsigned int bootprot_size)
+{
+ flashc_set_gp_fuse_bitfield(AVR32_FLASHC_FGPFRLO_BOOTPROT_OFFSET,
+ AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE,
+ (1 << AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE) - 1 -
+ ((bootprot_size) ?
+ 32 - clz((((min(max(bootprot_size, AVR32_FLASHC_PAGE_SIZE << 1),
+ AVR32_FLASHC_PAGE_SIZE <<
+ ((1 << AVR32_FLASHC_FGPFRLO_BOOTPROT_SIZE) - 1)) +
+ AVR32_FLASHC_PAGE_SIZE - 1) /
+ AVR32_FLASHC_PAGE_SIZE) << 1) - 1) - 1 :
+ 0));
+ return flashc_get_bootloader_protected_size();
+}
+
+
+Bool flashc_is_external_privileged_fetch_locked(void)
+{
+ return (!flashc_read_gp_fuse_bit(AVR32_FLASHC_FGPFRLO_EPFL_OFFSET));
+}
+
+
+void flashc_lock_external_privileged_fetch(Bool lock)
+{
+ flashc_set_gp_fuse_bit(AVR32_FLASHC_FGPFRLO_EPFL_OFFSET, !lock);
+}
+
+
+Bool flashc_is_page_region_locked(int page_number)
+{
+ return flashc_is_region_locked(flashc_get_page_region(page_number));
+}
+
+
+Bool flashc_is_region_locked(unsigned int region)
+{
+ return ((AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_LOCK0_MASK << (region & (AVR32_FLASHC_REGIONS - 1))) != 0);
+}
+
+
+void flashc_lock_page_region(int page_number, Bool lock)
+{
+ flashc_issue_command((lock) ? AVR32_FLASHC_FCMD_CMD_LP : AVR32_FLASHC_FCMD_CMD_UP, page_number);
+}
+
+
+void flashc_lock_region(unsigned int region, Bool lock)
+{
+ flashc_lock_page_region(flashc_get_region_first_page_number(region), lock);
+}
+
+
+void flashc_lock_all_regions(Bool lock)
+{
+ unsigned int error_status = 0;
+ unsigned int region = AVR32_FLASHC_REGIONS;
+ while (region)
+ {
+ flashc_lock_region(--region, lock);
+ error_status |= flashc_error_status;
+ }
+ flashc_error_status = error_status;
+}
+
+
+//! @}
+
+
+/*! \name Access to General-Purpose Fuses
+ */
+//! @{
+
+
+Bool flashc_read_gp_fuse_bit(unsigned int gp_fuse_bit)
+{
+ return ((flashc_read_all_gp_fuses() & 1ULL << (gp_fuse_bit & 0x3F)) != 0);
+}
+
+
+U64 flashc_read_gp_fuse_bitfield(unsigned int pos, unsigned int width)
+{
+ return flashc_read_all_gp_fuses() >> (pos & 0x3F) & ((1ULL << min(width, 64)) - 1);
+}
+
+
+U8 flashc_read_gp_fuse_byte(unsigned int gp_fuse_byte)
+{
+ return flashc_read_all_gp_fuses() >> ((gp_fuse_byte & 0x07) << 3);
+}
+
+
+U64 flashc_read_all_gp_fuses(void)
+{
+ return AVR32_FLASHC.fgpfrlo | (U64)AVR32_FLASHC.fgpfrhi << 32;
+}
+
+
+Bool flashc_erase_gp_fuse_bit(unsigned int gp_fuse_bit, Bool check)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EGPB, gp_fuse_bit & 0x3F);
+ return (check) ? flashc_read_gp_fuse_bit(gp_fuse_bit) : TRUE;
+}
+
+
+Bool flashc_erase_gp_fuse_bitfield(unsigned int pos, unsigned int width, Bool check)
+{
+ unsigned int error_status = 0;
+ unsigned int gp_fuse_bit;
+ pos &= 0x3F;
+ width = min(width, 64);
+ for (gp_fuse_bit = pos; gp_fuse_bit < pos + width; gp_fuse_bit++)
+ {
+ flashc_erase_gp_fuse_bit(gp_fuse_bit, FALSE);
+ error_status |= flashc_error_status;
+ }
+ flashc_error_status = error_status;
+ return (check) ? (flashc_read_gp_fuse_bitfield(pos, width) == (1ULL << width) - 1) : TRUE;
+}
+
+
+Bool flashc_erase_gp_fuse_byte(unsigned int gp_fuse_byte, Bool check)
+{
+ unsigned int error_status;
+ unsigned int current_gp_fuse_byte;
+ U64 value = flashc_read_all_gp_fuses();
+ flashc_erase_all_gp_fuses(FALSE);
+ error_status = flashc_error_status;
+ for (current_gp_fuse_byte = 0; current_gp_fuse_byte < 8; current_gp_fuse_byte++, value >>= 8)
+ {
+ if (current_gp_fuse_byte != gp_fuse_byte)
+ {
+ flashc_write_gp_fuse_byte(current_gp_fuse_byte, value);
+ error_status |= flashc_error_status;
+ }
+ }
+ flashc_error_status = error_status;
+ return (check) ? (flashc_read_gp_fuse_byte(gp_fuse_byte) == 0xFF) : TRUE;
+}
+
+
+Bool flashc_erase_all_gp_fuses(Bool check)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EAGPF, -1);
+ return (check) ? (flashc_read_all_gp_fuses() == 0xFFFFFFFFFFFFFFFFULL) : TRUE;
+}
+
+
+void flashc_write_gp_fuse_bit(unsigned int gp_fuse_bit, Bool value)
+{
+ if (!value)
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_WGPB, gp_fuse_bit & 0x3F);
+}
+
+
+void flashc_write_gp_fuse_bitfield(unsigned int pos, unsigned int width, U64 value)
+{
+ unsigned int error_status = 0;
+ unsigned int gp_fuse_bit;
+ pos &= 0x3F;
+ width = min(width, 64);
+ for (gp_fuse_bit = pos; gp_fuse_bit < pos + width; gp_fuse_bit++, value >>= 1)
+ {
+ flashc_write_gp_fuse_bit(gp_fuse_bit, value & 0x01);
+ error_status |= flashc_error_status;
+ }
+ flashc_error_status = error_status;
+}
+
+
+void flashc_write_gp_fuse_byte(unsigned int gp_fuse_byte, U8 value)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_PGPFB, (gp_fuse_byte & 0x07) | value << 3);
+}
+
+
+void flashc_write_all_gp_fuses(U64 value)
+{
+ unsigned int error_status = 0;
+ unsigned int gp_fuse_byte;
+ for (gp_fuse_byte = 0; gp_fuse_byte < 8; gp_fuse_byte++, value >>= 8)
+ {
+ flashc_write_gp_fuse_byte(gp_fuse_byte, value);
+ error_status |= flashc_error_status;
+ }
+ flashc_error_status = error_status;
+}
+
+
+void flashc_set_gp_fuse_bit(unsigned int gp_fuse_bit, Bool value)
+{
+ if (value)
+ flashc_erase_gp_fuse_bit(gp_fuse_bit, FALSE);
+ else
+ flashc_write_gp_fuse_bit(gp_fuse_bit, FALSE);
+}
+
+
+void flashc_set_gp_fuse_bitfield(unsigned int pos, unsigned int width, U64 value)
+{
+ unsigned int error_status = 0;
+ unsigned int gp_fuse_bit;
+ pos &= 0x3F;
+ width = min(width, 64);
+ for (gp_fuse_bit = pos; gp_fuse_bit < pos + width; gp_fuse_bit++, value >>= 1)
+ {
+ flashc_set_gp_fuse_bit(gp_fuse_bit, value & 0x01);
+ error_status |= flashc_error_status;
+ }
+ flashc_error_status = error_status;
+}
+
+
+void flashc_set_gp_fuse_byte(unsigned int gp_fuse_byte, U8 value)
+{
+ unsigned int error_status;
+ switch (value)
+ {
+ case 0xFF:
+ flashc_erase_gp_fuse_byte(gp_fuse_byte, FALSE);
+ break;
+ case 0x00:
+ flashc_write_gp_fuse_byte(gp_fuse_byte, 0x00);
+ break;
+ default:
+ flashc_erase_gp_fuse_byte(gp_fuse_byte, FALSE);
+ error_status = flashc_error_status;
+ flashc_write_gp_fuse_byte(gp_fuse_byte, value);
+ flashc_error_status |= error_status;
+ }
+}
+
+
+void flashc_set_all_gp_fuses(U64 value)
+{
+ unsigned int error_status;
+ switch (value)
+ {
+ case 0xFFFFFFFFFFFFFFFFULL:
+ flashc_erase_all_gp_fuses(FALSE);
+ break;
+ case 0x0000000000000000ULL:
+ flashc_write_all_gp_fuses(0x0000000000000000ULL);
+ break;
+ default:
+ flashc_erase_all_gp_fuses(FALSE);
+ error_status = flashc_error_status;
+ flashc_write_all_gp_fuses(value);
+ flashc_error_status |= error_status;
+ }
+}
+
+
+//! @}
+
+
+/*! \name Access to Flash Pages
+ */
+//! @{
+
+
+void flashc_clear_page_buffer(void)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_CPB, -1);
+}
+
+
+Bool flashc_is_page_erased(void)
+{
+ return ((AVR32_FLASHC.fsr & AVR32_FLASHC_FSR_QPRR_MASK) != 0);
+}
+
+
+Bool flashc_quick_page_read(int page_number)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_QPR, page_number);
+ return flashc_is_page_erased();
+}
+
+
+Bool flashc_erase_page(int page_number, Bool check)
+{
+ Bool page_erased = TRUE;
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EP, page_number);
+ if (check)
+ {
+ unsigned int error_status = flashc_error_status;
+ page_erased = flashc_quick_page_read(-1);
+ flashc_error_status |= error_status;
+ }
+ return page_erased;
+}
+
+
+Bool flashc_erase_all_pages(Bool check)
+{
+ Bool all_pages_erased = TRUE;
+ unsigned int error_status = 0;
+ unsigned int page_number = flashc_get_page_count();
+ while (page_number)
+ {
+ all_pages_erased &= flashc_erase_page(--page_number, check);
+ error_status |= flashc_error_status;
+ }
+ flashc_error_status = error_status;
+ return all_pages_erased;
+}
+
+
+void flashc_write_page(int page_number)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_WP, page_number);
+}
+
+
+Bool flashc_quick_user_page_read(void)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_QPRUP, -1);
+ return flashc_is_page_erased();
+}
+
+
+Bool flashc_erase_user_page(Bool check)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_EUP, -1);
+ return (check) ? flashc_quick_user_page_read() : TRUE;
+}
+
+
+void flashc_write_user_page(void)
+{
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_WUP, -1);
+}
+
+
+volatile void *flashc_memset8(volatile void *dst, U8 src, size_t nbytes, Bool erase)
+{
+ return flashc_memset16(dst, src | (U16)src << 8, nbytes, erase);
+}
+
+
+volatile void *flashc_memset16(volatile void *dst, U16 src, size_t nbytes, Bool erase)
+{
+ return flashc_memset32(dst, src | (U32)src << 16, nbytes, erase);
+}
+
+
+volatile void *flashc_memset32(volatile void *dst, U32 src, size_t nbytes, Bool erase)
+{
+ return flashc_memset64(dst, src | (U64)src << 32, nbytes, erase);
+}
+
+
+volatile void *flashc_memset64(volatile void *dst, U64 src, size_t nbytes, Bool erase)
+{
+ // Use aggregated pointers to have several alignments available for a same address.
+ UnionCVPtr flash_array_end;
+ UnionVPtr dest;
+ Union64 source = {0};
+ StructCVPtr dest_end;
+ UnionCVPtr flash_page_source_end;
+ Bool incomplete_flash_page_end;
+ Union64 flash_dword;
+ UnionVPtr tmp;
+ unsigned int error_status = 0;
+ unsigned int i;
+
+ // Reformat arguments.
+ flash_array_end.u8ptr = AVR32_FLASH + flashc_get_flash_size();
+ dest.u8ptr = dst;
+ for (i = (Get_align((U32)dest.u8ptr, sizeof(U64)) - 1) & (sizeof(U64) - 1);
+ src; i = (i - 1) & (sizeof(U64) - 1))
+ {
+ source.u8[i] = src;
+ src >>= 8;
+ }
+ dest_end.u8ptr = dest.u8ptr + nbytes;
+
+ // If destination is outside flash, go to next flash page if any.
+ if (dest.u8ptr < AVR32_FLASH)
+ {
+ dest.u8ptr = AVR32_FLASH;
+ }
+ else if (flash_array_end.u8ptr <= dest.u8ptr && dest.u8ptr < AVR32_FLASHC_USER_PAGE)
+ {
+ dest.u8ptr = AVR32_FLASHC_USER_PAGE;
+ }
+
+ // If end of destination is outside flash, move it to the end of the previous flash page if any.
+ if (dest_end.u8ptr > AVR32_FLASHC_USER_PAGE + AVR32_FLASHC_USER_PAGE_SIZE)
+ {
+ dest_end.u8ptr = AVR32_FLASHC_USER_PAGE + AVR32_FLASHC_USER_PAGE_SIZE;
+ }
+ else if (AVR32_FLASHC_USER_PAGE >= dest_end.u8ptr && dest_end.u8ptr > flash_array_end.u8ptr)
+ {
+ dest_end.u8ptr = flash_array_end.u8ptr;
+ }
+
+ // Align each end of destination pointer with its natural boundary.
+ dest_end.u16ptr = (U16 *)Align_down((U32)dest_end.u8ptr, sizeof(U16));
+ dest_end.u32ptr = (U32 *)Align_down((U32)dest_end.u16ptr, sizeof(U32));
+ dest_end.u64ptr = (U64 *)Align_down((U32)dest_end.u32ptr, sizeof(U64));
+
+ // While end of destination is not reached...
+ while (dest.u8ptr < dest_end.u8ptr)
+ {
+ // Clear the page buffer in order to prepare data for a flash page write.
+ flashc_clear_page_buffer();
+ error_status |= flashc_error_status;
+
+ // Determine where the source data will end in the current flash page.
+ flash_page_source_end.u64ptr =
+ (U64 *)min((U32)dest_end.u64ptr,
+ Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE) + AVR32_FLASHC_PAGE_SIZE);
+
+ // Determine if the current destination page has an incomplete end.
+ incomplete_flash_page_end = (Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE) >=
+ Align_down((U32)dest_end.u8ptr, AVR32_FLASHC_PAGE_SIZE));
+
+ // Use a flash double-word buffer to manage unaligned accesses.
+ flash_dword.u64 = source.u64;
+
+ // If destination does not point to the beginning of the current flash page...
+ if (!Test_align((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE))
+ {
+ // Fill the beginning of the page buffer with the current flash page data.
+ // This is required by the hardware, even if page erase is not requested,
+ // in order to be able to write successfully to erased parts of flash
+ // pages that have already been written to.
+ for (tmp.u8ptr = (U8 *)Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE);
+ tmp.u64ptr < (U64 *)Align_down((U32)dest.u8ptr, sizeof(U64));
+ tmp.u64ptr++)
+ *tmp.u64ptr = *tmp.u64ptr;
+
+ // If destination is not 64-bit aligned...
+ if (!Test_align((U32)dest.u8ptr, sizeof(U64)))
+ {
+ // Fill the beginning of the flash double-word buffer with the current
+ // flash page data.
+ // This is required by the hardware, even if page erase is not
+ // requested, in order to be able to write successfully to erased parts
+ // of flash pages that have already been written to.
+ for (i = 0; i < Get_align((U32)dest.u8ptr, sizeof(U64)); i++)
+ flash_dword.u8[i] = *tmp.u8ptr++;
+
+ // Align the destination pointer with its 64-bit boundary.
+ dest.u64ptr = (U64 *)Align_down((U32)dest.u8ptr, sizeof(U64));
+
+ // If the current destination double-word is not the last one...
+ if (dest.u64ptr < dest_end.u64ptr)
+ {
+ // Write the flash double-word buffer to the page buffer and reinitialize it.
+ *dest.u64ptr++ = flash_dword.u64;
+ flash_dword.u64 = source.u64;
+ }
+ }
+ }
+
+ // Write the source data to the page buffer with 64-bit alignment.
+ for (i = flash_page_source_end.u64ptr - dest.u64ptr; i; i--)
+ *dest.u64ptr++ = source.u64;
+
+ // If the current destination page has an incomplete end...
+ if (incomplete_flash_page_end)
+ {
+ // This is required by the hardware, even if page erase is not requested,
+ // in order to be able to write successfully to erased parts of flash
+ // pages that have already been written to.
+ {
+ tmp.u8ptr = (volatile U8 *)dest_end.u8ptr;
+
+ // If end of destination is not 64-bit aligned...
+ if (!Test_align((U32)dest_end.u8ptr, sizeof(U64)))
+ {
+ // Fill the end of the flash double-word buffer with the current flash page data.
+ for (i = Get_align((U32)dest_end.u8ptr, sizeof(U64)); i < sizeof(U64); i++)
+ flash_dword.u8[i] = *tmp.u8ptr++;
+
+ // Write the flash double-word buffer to the page buffer.
+ *dest.u64ptr++ = flash_dword.u64;
+ }
+
+ // Fill the end of the page buffer with the current flash page data.
+ for (; !Test_align((U32)tmp.u64ptr, AVR32_FLASHC_PAGE_SIZE); tmp.u64ptr++)
+ *tmp.u64ptr = *tmp.u64ptr;
+ }
+ }
+
+ // If the current flash page is in the flash array...
+ if (dest.u8ptr <= AVR32_FLASHC_USER_PAGE)
+ {
+ // Erase the current page if requested and write it from the page buffer.
+ if (erase)
+ {
+ flashc_erase_page(-1, FALSE);
+ error_status |= flashc_error_status;
+ }
+ flashc_write_page(-1);
+ error_status |= flashc_error_status;
+
+ // If the end of the flash array is reached, go to the User page.
+ if (dest.u8ptr >= flash_array_end.u8ptr)
+ dest.u8ptr = AVR32_FLASHC_USER_PAGE;
+ }
+ // If the current flash page is the User page...
+ else
+ {
+ // Erase the User page if requested and write it from the page buffer.
+ if (erase)
+ {
+ flashc_erase_user_page(FALSE);
+ error_status |= flashc_error_status;
+ }
+ flashc_write_user_page();
+ error_status |= flashc_error_status;
+ }
+ }
+
+ // Update the FLASHC error status.
+ flashc_error_status = error_status;
+
+ // Return the initial destination pointer as the standard memset function does.
+ return dst;
+}
+
+
+volatile void *flashc_memcpy(volatile void *dst, const void *src, size_t nbytes, Bool erase)
+{
+ // Use aggregated pointers to have several alignments available for a same address.
+ UnionCVPtr flash_array_end;
+ UnionVPtr dest;
+ UnionCPtr source;
+ StructCVPtr dest_end;
+ UnionCVPtr flash_page_source_end;
+ Bool incomplete_flash_page_end;
+ Union64 flash_dword;
+ Bool flash_dword_pending = FALSE;
+ UnionVPtr tmp;
+ unsigned int error_status = 0;
+ unsigned int i, j;
+
+ // Reformat arguments.
+ flash_array_end.u8ptr = AVR32_FLASH + flashc_get_flash_size();
+ dest.u8ptr = dst;
+ source.u8ptr = src;
+ dest_end.u8ptr = dest.u8ptr + nbytes;
+
+ // If destination is outside flash, go to next flash page if any.
+ if (dest.u8ptr < AVR32_FLASH)
+ {
+ source.u8ptr += AVR32_FLASH - dest.u8ptr;
+ dest.u8ptr = AVR32_FLASH;
+ }
+ else if (flash_array_end.u8ptr <= dest.u8ptr && dest.u8ptr < AVR32_FLASHC_USER_PAGE)
+ {
+ source.u8ptr += AVR32_FLASHC_USER_PAGE - dest.u8ptr;
+ dest.u8ptr = AVR32_FLASHC_USER_PAGE;
+ }
+
+ // If end of destination is outside flash, move it to the end of the previous flash page if any.
+ if (dest_end.u8ptr > AVR32_FLASHC_USER_PAGE + AVR32_FLASHC_USER_PAGE_SIZE)
+ {
+ dest_end.u8ptr = AVR32_FLASHC_USER_PAGE + AVR32_FLASHC_USER_PAGE_SIZE;
+ }
+ else if (AVR32_FLASHC_USER_PAGE >= dest_end.u8ptr && dest_end.u8ptr > flash_array_end.u8ptr)
+ {
+ dest_end.u8ptr = flash_array_end.u8ptr;
+ }
+
+ // Align each end of destination pointer with its natural boundary.
+ dest_end.u16ptr = (U16 *)Align_down((U32)dest_end.u8ptr, sizeof(U16));
+ dest_end.u32ptr = (U32 *)Align_down((U32)dest_end.u16ptr, sizeof(U32));
+ dest_end.u64ptr = (U64 *)Align_down((U32)dest_end.u32ptr, sizeof(U64));
+
+ // While end of destination is not reached...
+ while (dest.u8ptr < dest_end.u8ptr)
+ {
+ // Clear the page buffer in order to prepare data for a flash page write.
+ flashc_clear_page_buffer();
+ error_status |= flashc_error_status;
+
+ // Determine where the source data will end in the current flash page.
+ flash_page_source_end.u64ptr =
+ (U64 *)min((U32)dest_end.u64ptr,
+ Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE) + AVR32_FLASHC_PAGE_SIZE);
+
+ // Determine if the current destination page has an incomplete end.
+ incomplete_flash_page_end = (Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE) >=
+ Align_down((U32)dest_end.u8ptr, AVR32_FLASHC_PAGE_SIZE));
+
+ // If destination does not point to the beginning of the current flash page...
+ if (!Test_align((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE))
+ {
+ // Fill the beginning of the page buffer with the current flash page data.
+ // This is required by the hardware, even if page erase is not requested,
+ // in order to be able to write successfully to erased parts of flash
+ // pages that have already been written to.
+ for (tmp.u8ptr = (U8 *)Align_down((U32)dest.u8ptr, AVR32_FLASHC_PAGE_SIZE);
+ tmp.u64ptr < (U64 *)Align_down((U32)dest.u8ptr, sizeof(U64));
+ tmp.u64ptr++)
+ *tmp.u64ptr = *tmp.u64ptr;
+
+ // If destination is not 64-bit aligned...
+ if (!Test_align((U32)dest.u8ptr, sizeof(U64)))
+ {
+ // Fill the beginning of the flash double-word buffer with the current
+ // flash page data.
+ // This is required by the hardware, even if page erase is not
+ // requested, in order to be able to write successfully to erased parts
+ // of flash pages that have already been written to.
+ for (i = 0; i < Get_align((U32)dest.u8ptr, sizeof(U64)); i++)
+ flash_dword.u8[i] = *tmp.u8ptr++;
+
+ // Fill the end of the flash double-word buffer with the source data.
+ for (; i < sizeof(U64); i++)
+ flash_dword.u8[i] = *source.u8ptr++;
+
+ // Align the destination pointer with its 64-bit boundary.
+ dest.u64ptr = (U64 *)Align_down((U32)dest.u8ptr, sizeof(U64));
+
+ // If the current destination double-word is not the last one...
+ if (dest.u64ptr < dest_end.u64ptr)
+ {
+ // Write the flash double-word buffer to the page buffer.
+ *dest.u64ptr++ = flash_dword.u64;
+ }
+ // If the current destination double-word is the last one, the flash
+ // double-word buffer must be kept for later.
+ else flash_dword_pending = TRUE;
+ }
+ }
+
+ // Read the source data with the maximal possible alignment and write it to
+ // the page buffer with 64-bit alignment.
+ switch (Get_align((U32)source.u8ptr, sizeof(U32)))
+ {
+ case 0:
+ for (i = flash_page_source_end.u64ptr - dest.u64ptr; i; i--)
+ *dest.u64ptr++ = *source.u64ptr++;
+ break;
+
+ case sizeof(U16):
+ for (i = flash_page_source_end.u64ptr - dest.u64ptr; i; i--)
+ {
+ for (j = 0; j < sizeof(U64) / sizeof(U16); j++) flash_dword.u16[j] = *source.u16ptr++;
+ *dest.u64ptr++ = flash_dword.u64;
+ }
+ break;
+
+ default:
+ for (i = flash_page_source_end.u64ptr - dest.u64ptr; i; i--)
+ {
+ for (j = 0; j < sizeof(U64); j++) flash_dword.u8[j] = *source.u8ptr++;
+ *dest.u64ptr++ = flash_dword.u64;
+ }
+ }
+
+ // If the current destination page has an incomplete end...
+ if (incomplete_flash_page_end)
+ {
+ // If the flash double-word buffer is in use, do not initialize it.
+ if (flash_dword_pending) i = Get_align((U32)dest_end.u8ptr, sizeof(U64));
+ // If the flash double-word buffer is free...
+ else
+ {
+ // Fill the beginning of the flash double-word buffer with the source data.
+ for (i = 0; i < Get_align((U32)dest_end.u8ptr, sizeof(U64)); i++)
+ flash_dword.u8[i] = *source.u8ptr++;
+ }
+
+ // This is required by the hardware, even if page erase is not requested,
+ // in order to be able to write successfully to erased parts of flash
+ // pages that have already been written to.
+ {
+ tmp.u8ptr = (volatile U8 *)dest_end.u8ptr;
+
+ // If end of destination is not 64-bit aligned...
+ if (!Test_align((U32)dest_end.u8ptr, sizeof(U64)))
+ {
+ // Fill the end of the flash double-word buffer with the current flash page data.
+ for (; i < sizeof(U64); i++)
+ flash_dword.u8[i] = *tmp.u8ptr++;
+
+ // Write the flash double-word buffer to the page buffer.
+ *dest.u64ptr++ = flash_dword.u64;
+ }
+
+ // Fill the end of the page buffer with the current flash page data.
+ for (; !Test_align((U32)tmp.u64ptr, AVR32_FLASHC_PAGE_SIZE); tmp.u64ptr++)
+ *tmp.u64ptr = *tmp.u64ptr;
+ }
+ }
+
+ // If the current flash page is in the flash array...
+ if (dest.u8ptr <= AVR32_FLASHC_USER_PAGE)
+ {
+ // Erase the current page if requested and write it from the page buffer.
+ if (erase)
+ {
+ flashc_erase_page(-1, FALSE);
+ error_status |= flashc_error_status;
+ }
+ flashc_write_page(-1);
+ error_status |= flashc_error_status;
+
+ // If the end of the flash array is reached, go to the User page.
+ if (dest.u8ptr >= flash_array_end.u8ptr)
+ {
+ source.u8ptr += AVR32_FLASHC_USER_PAGE - dest.u8ptr;
+ dest.u8ptr = AVR32_FLASHC_USER_PAGE;
+ }
+ }
+ // If the current flash page is the User page...
+ else
+ {
+ // Erase the User page if requested and write it from the page buffer.
+ if (erase)
+ {
+ flashc_erase_user_page(FALSE);
+ error_status |= flashc_error_status;
+ }
+ flashc_write_user_page();
+ error_status |= flashc_error_status;
+ }
+ }
+
+ // Update the FLASHC error status.
+ flashc_error_status = error_status;
+
+ // Return the initial destination pointer as the standard memcpy function does.
+ return dst;
+}
+
+
+#if UC3C
+void flashc_set_flash_waitstate_and_readmode(unsigned long cpu_f_hz)
+{
+ //! Device-specific data
+ #undef AVR32_FLASHC_FWS_0_MAX_FREQ
+ #undef AVR32_FLASHC_FWS_1_MAX_FREQ
+ #undef AVR32_FLASHC_HSEN_FWS_0_MAX_FREQ
+ #undef AVR32_FLASHC_HSEN_FWS_1_MAX_FREQ
+ #define AVR32_FLASHC_FWS_0_MAX_FREQ 33000000
+ #define AVR32_FLASHC_FWS_1_MAX_FREQ 66000000
+ #define AVR32_FLASHC_HSEN_FWS_0_MAX_FREQ 33000000
+ #define AVR32_FLASHC_HSEN_FWS_1_MAX_FREQ 72000000
+ // These defines are missing from or wrong in the toolchain header files uc3cxxx.h
+ // Put a Bugzilla
+
+ if(cpu_f_hz > AVR32_FLASHC_HSEN_FWS_0_MAX_FREQ) // > 33MHz
+ {
+ // Set a wait-state
+ flashc_set_wait_state(1);
+ if(cpu_f_hz <= AVR32_FLASHC_FWS_1_MAX_FREQ) // <= 66MHz and >33Mhz
+ {
+ // Disable the high-speed read mode.
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_HSDIS, -1);
+ }
+ else // > 66Mhz
+ {
+ // Enable the high-speed read mode.
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_HSEN, -1);
+ }
+ }
+ else // <= 33 MHz
+ {
+ // Disable wait-state
+ flashc_set_wait_state(0);
+
+ // Disable the high-speed read mode.
+ flashc_issue_command(AVR32_FLASHC_FCMD_CMD_HSDIS, -1);
+
+ }
+}
+#endif // UC3C device-specific implementation
+
+//! @}
diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.h b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.h
new file mode 100644
index 0000000..9f2547a
--- /dev/null
+++ b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.h
@@ -0,0 +1,1002 @@
+/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
+
+/*This file is prepared for Doxygen automatic documentation generation.*/
+/*! \file *********************************************************************
+ *
+ * \brief FLASHC driver for AVR32 UC3.
+ *
+ * AVR32 Flash Controller driver module.
+ *
+ * - Compiler: IAR EWAVR32 and GNU GCC for AVR32
+ * - Supported devices: All AVR32 devices with a FLASHC module can be used.
+ * - AppNote:
+ *
+ * \author Atmel Corporation: http://www.atmel.com \n
+ * Support and FAQ: http://support.atmel.no/
+ *
+ ******************************************************************************/
+
+/* 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:
+ *
+ * 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. The name of Atmel may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an Atmel
+ * AVR product.
+ *
+ * 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
+ * EXPRESSLY AND SPECIFICALLY 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 _FLASHC_H_
+#define _FLASHC_H_
+
+#include <avr32/io.h>
+#include <stddef.h>
+#include "compiler.h"
+
+//! Number of flash regions defined by the FLASHC.
+#define AVR32_FLASHC_REGIONS (AVR32_FLASHC_FLASH_SIZE /\
+ (AVR32_FLASHC_PAGES_PR_REGION * AVR32_FLASHC_PAGE_SIZE))
+
+
+/*! \name Flash Properties
+ */
+//! @{
+
+/*! \brief Gets the size of the whole flash array.
+ *
+ * \return The size of the whole flash array in bytes.
+ */
+extern unsigned int flashc_get_flash_size(void);
+
+/*! \brief Gets the total number of pages in the flash array.
+ *
+ * \return The total number of pages in the flash array.
+ */
+extern unsigned int flashc_get_page_count(void);
+
+/*! \brief Gets the number of pages in each flash region.
+ *
+ * \return The number of pages in each flash region.
+ */
+extern unsigned int flashc_get_page_count_per_region(void);
+
+/*! \brief Gets the region number of a page.
+ *
+ * \param page_number The page number:
+ * \arg \c 0 to <tt>(flashc_get_page_count() - 1)</tt>: a page number within
+ * the flash array;
+ * \arg <tt>< 0</tt>: the current page number.
+ *
+ * \return The region number of the specified page.
+ */
+extern unsigned int flashc_get_page_region(int page_number);
+
+/*! \brief Gets the number of the first page of a region.
+ *
+ * \param region The region number: \c 0 to <tt>(AVR32_FLASHC_REGIONS - 1)</tt>.
+ *
+ * \return The number of the first page of the specified region.
+ */
+extern unsigned int flashc_get_region_first_page_number(unsigned int region);
+
+//! @}
+
+
+/*! \name FLASHC Control
+ */
+//! @{
+
+/*! \brief Gets the number of wait states of flash read accesses.
+ *
+ * \return The number of wait states of flash read accesses.
+ */
+extern unsigned int flashc_get_wait_state(void);
+
+/*! \brief Sets the number of wait states of flash read accesses.
+ *
+ * \param wait_state The number of wait states of flash read accesses: \c 0 to
+ * \c 1.
+ */
+extern void flashc_set_wait_state(unsigned int wait_state);
+
+/*! \brief Tells whether the Flash Ready interrupt is enabled.
+ *
+ * \return Whether the Flash Ready interrupt is enabled.
+ */
+extern Bool flashc_is_ready_int_enabled(void);
+
+/*! \brief Enables or disables the Flash Ready interrupt.
+ *
+ * \param enable Whether to enable the Flash Ready interrupt: \c TRUE or
+ * \c FALSE.
+ */
+extern void flashc_enable_ready_int(Bool enable);
+
+/*! \brief Tells whether the Lock Error interrupt is enabled.
+ *
+ * \return Whether the Lock Error interrupt is enabled.
+ */
+extern Bool flashc_is_lock_error_int_enabled(void);
+
+/*! \brief Enables or disables the Lock Error interrupt.
+ *
+ * \param enable Whether to enable the Lock Error interrupt: \c TRUE or
+ * \c FALSE.
+ */
+extern void flashc_enable_lock_error_int(Bool enable);
+
+/*! \brief Tells whether the Programming Error interrupt is enabled.
+ *
+ * \return Whether the Programming Error interrupt is enabled.
+ */
+extern Bool flashc_is_prog_error_int_enabled(void);
+
+/*! \brief Enables or disables the Programming Error interrupt.
+ *
+ * \param enable Whether to enable the Programming Error interrupt: \c TRUE or
+ * \c FALSE.
+ */
+extern void flashc_enable_prog_error_int(Bool enable);
+
+//! @}
+
+
+/*! \name FLASHC Status
+ */
+//! @{
+
+/*! \brief Tells whether the FLASHC is ready to run a new command.
+ *
+ * \return Whether the FLASHC is ready to run a new command.
+ */
+extern Bool flashc_is_ready(void);
+
+/*! \brief Waits actively until the FLASHC is ready to run a new command.
+ *
+ * This is the default function assigned to \ref flashc_wait_until_ready.
+ */
+extern void flashc_default_wait_until_ready(void);
+
+//! Pointer to the function used by the driver when it needs to wait until the
+//! FLASHC is ready to run a new command.
+//! The default function is \ref flashc_default_wait_until_ready.
+//! The user may change this pointer to use another implementation.
+extern void (*volatile flashc_wait_until_ready)(void);
+
+/*! \brief Tells whether a Lock Error has occurred during the last function
+ * called that issued one or more FLASHC commands.
+ *
+ * \return Whether a Lock Error has occurred during the last function called
+ * that issued one or more FLASHC commands.
+ */
+extern Bool flashc_is_lock_error(void);
+
+/*! \brief Tells whether a Programming Error has occurred during the last
+ * function called that issued one or more FLASHC commands.
+ *
+ * \return Whether a Programming Error has occurred during the last function
+ * called that issued one or more FLASHC commands.
+ */
+extern Bool flashc_is_programming_error(void);
+
+//! @}
+
+
+/*! \name FLASHC Command Control
+ */
+//! @{
+
+/*! \brief Gets the last issued FLASHC command.
+ *
+ * \return The last issued FLASHC command.
+ */
+extern unsigned int flashc_get_command(void);
+
+/*! \brief Gets the current FLASHC page number.
+ *
+ * \return The current FLASHC page number.
+ */
+extern unsigned int flashc_get_page_number(void);
+
+/*! \brief Issues a FLASHC command.
+ *
+ * \param command The command: \c AVR32_FLASHC_FCMD_CMD_x.
+ * \param page_number The page number to apply the command to:
+ * \arg \c 0 to <tt>(flashc_get_page_count() - 1)</tt>: a page number within
+ * the flash array;
+ * \arg <tt>< 0</tt>: use this to apply the command to the current page number
+ * or if the command does not apply to any page number;
+ * \arg this argument may have other meanings according to the command. See
+ * the FLASHC chapter of the MCU datasheet.
+ *
+ * \warning A Lock Error is issued if the command violates the protection
+ * mechanism.
+ *
+ * \warning A Programming Error is issued if the command is invalid.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern void flashc_issue_command(unsigned int command, int page_number);
+
+//! @}
+
+
+/*! \name FLASHC Global Commands
+ */
+//! @{
+
+/*! \brief Issues a No Operation command to the FLASHC.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern void flashc_no_operation(void);
+
+/*! \brief Issues an Erase All command to the FLASHC.
+ *
+ * This command erases all bits in the flash array, the general-purpose fuse
+ * bits and the Security bit. The User page is not erased.
+ *
+ * This command also ensures that all volatile memories, such as register file
+ * and RAMs, are erased before the Security bit is erased, i.e. deactivated.
+ *
+ * \warning A Lock Error is issued if at least one region is locked or the
+ * bootloader protection is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note An erase operation can only set bits.
+ */
+extern void flashc_erase_all(void);
+
+//! @}
+
+
+/*! \name FLASHC Protection Mechanisms
+ */
+//! @{
+
+/*! \brief Tells whether the Security bit is active.
+ *
+ * \return Whether the Security bit is active.
+ */
+extern Bool flashc_is_security_bit_active(void);
+
+/*! \brief Activates the Security bit.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern void flashc_activate_security_bit(void);
+
+/*! \brief Gets the bootloader protected size.
+ *
+ * \return The bootloader protected size in bytes.
+ */
+extern unsigned int flashc_get_bootloader_protected_size(void);
+
+/*! \brief Sets the bootloader protected size.
+ *
+ * \param bootprot_size The wanted bootloader protected size in bytes. If this
+ * size is not supported, the actual size will be the
+ * nearest greater available size or the maximal possible
+ * size if the requested size is too large.
+ *
+ * \return The actual bootloader protected size in bytes.
+ *
+ * \warning A Lock Error is issued if the Security bit is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern unsigned int flashc_set_bootloader_protected_size(unsigned int bootprot_size);
+
+/*! \brief Tells whether external privileged fetch is locked.
+ *
+ * \return Whether external privileged fetch is locked.
+ */
+extern Bool flashc_is_external_privileged_fetch_locked(void);
+
+/*! \brief Locks or unlocks external privileged fetch.
+ *
+ * \param lock Whether to lock external privileged fetch: \c TRUE or \c FALSE.
+ *
+ * \warning A Lock Error is issued if the Security bit is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern void flashc_lock_external_privileged_fetch(Bool lock);
+
+/*! \brief Tells whether the region of a page is locked.
+ *
+ * \param page_number The page number:
+ * \arg \c 0 to <tt>(flashc_get_page_count() - 1)</tt>: a page number within
+ * the flash array;
+ * \arg <tt>< 0</tt>: the current page number.
+ *
+ * \return Whether the region of the specified page is locked.
+ */
+extern Bool flashc_is_page_region_locked(int page_number);
+
+/*! \brief Tells whether a region is locked.
+ *
+ * \param region The region number: \c 0 to <tt>(AVR32_FLASHC_REGIONS - 1)</tt>.
+ *
+ * \return Whether the specified region is locked.
+ */
+extern Bool flashc_is_region_locked(unsigned int region);
+
+/*! \brief Locks or unlocks the region of a page.
+ *
+ * \param page_number The page number:
+ * \arg \c 0 to <tt>(flashc_get_page_count() - 1)</tt>: a page number within
+ * the flash array;
+ * \arg <tt>< 0</tt>: the current page number.
+ * \param lock Whether to lock the region of the specified page: \c TRUE or
+ * \c FALSE.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern void flashc_lock_page_region(int page_number, Bool lock);
+
+/*! \brief Locks or unlocks a region.
+ *
+ * \param region The region number: \c 0 to <tt>(AVR32_FLASHC_REGIONS - 1)</tt>.
+ * \param lock Whether to lock the specified region: \c TRUE or \c FALSE.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern void flashc_lock_region(unsigned int region, Bool lock);
+
+/*! \brief Locks or unlocks all regions.
+ *
+ * \param lock Whether to lock the regions: \c TRUE or \c FALSE.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern void flashc_lock_all_regions(Bool lock);
+
+//! @}
+
+
+/*! \name Access to General-Purpose Fuses
+ */
+//! @{
+
+/*! \brief Reads a general-purpose fuse bit.
+ *
+ * \param gp_fuse_bit The general-purpose fuse bit: \c 0 to \c 63.
+ *
+ * \return The value of the specified general-purpose fuse bit.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern Bool flashc_read_gp_fuse_bit(unsigned int gp_fuse_bit);
+
+/*! \brief Reads a general-purpose fuse bit-field.
+ *
+ * \param pos The bit-position of the general-purpose fuse bit-field: \c 0 to
+ * \c 63.
+ * \param width The bit-width of the general-purpose fuse bit-field: \c 0 to
+ * \c 64.
+ *
+ * \return The value of the specified general-purpose fuse bit-field.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern U64 flashc_read_gp_fuse_bitfield(unsigned int pos, unsigned int width);
+
+/*! \brief Reads a general-purpose fuse byte.
+ *
+ * \param gp_fuse_byte The general-purpose fuse byte: \c 0 to \c 7.
+ *
+ * \return The value of the specified general-purpose fuse byte.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern U8 flashc_read_gp_fuse_byte(unsigned int gp_fuse_byte);
+
+/*! \brief Reads all general-purpose fuses.
+ *
+ * \return The value of all general-purpose fuses as a word.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern U64 flashc_read_all_gp_fuses(void);
+
+/*! \brief Erases a general-purpose fuse bit.
+ *
+ * \param gp_fuse_bit The general-purpose fuse bit: \c 0 to \c 63.
+ * \param check Whether to check erase: \c TRUE or \c FALSE.
+ *
+ * \return Whether the erase succeeded or always \c TRUE if erase check was not
+ * requested.
+ *
+ * \warning A Lock Error is issued if the Security bit is active and the command
+ * is applied to BOOTPROT or EPFL fuses.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note An erase operation can only set bits.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern Bool flashc_erase_gp_fuse_bit(unsigned int gp_fuse_bit, Bool check);
+
+/*! \brief Erases a general-purpose fuse bit-field.
+ *
+ * \param pos The bit-position of the general-purpose fuse bit-field: \c 0 to
+ * \c 63.
+ * \param width The bit-width of the general-purpose fuse bit-field: \c 0 to
+ * \c 64.
+ * \param check Whether to check erase: \c TRUE or \c FALSE.
+ *
+ * \return Whether the erase succeeded or always \c TRUE if erase check was not
+ * requested.
+ *
+ * \warning A Lock Error is issued if the Security bit is active and the command
+ * is applied to BOOTPROT or EPFL fuses.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note An erase operation can only set bits.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern Bool flashc_erase_gp_fuse_bitfield(unsigned int pos, unsigned int width, Bool check);
+
+/*! \brief Erases a general-purpose fuse byte.
+ *
+ * \param gp_fuse_byte The general-purpose fuse byte: \c 0 to \c 7.
+ * \param check Whether to check erase: \c TRUE or \c FALSE.
+ *
+ * \return Whether the erase succeeded or always \c TRUE if erase check was not
+ * requested.
+ *
+ * \warning A Lock Error is issued if the Security bit is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note An erase operation can only set bits.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern Bool flashc_erase_gp_fuse_byte(unsigned int gp_fuse_byte, Bool check);
+
+/*! \brief Erases all general-purpose fuses.
+ *
+ * \param check Whether to check erase: \c TRUE or \c FALSE.
+ *
+ * \return Whether the erase succeeded or always \c TRUE if erase check was not
+ * requested.
+ *
+ * \warning A Lock Error is issued if the Security bit is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note An erase operation can only set bits.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern Bool flashc_erase_all_gp_fuses(Bool check);
+
+/*! \brief Writes a general-purpose fuse bit.
+ *
+ * \param gp_fuse_bit The general-purpose fuse bit: \c 0 to \c 63.
+ * \param value The value of the specified general-purpose fuse bit.
+ *
+ * \warning A Lock Error is issued if the Security bit is active and the command
+ * is applied to BOOTPROT or EPFL fuses.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note A write operation can only clear bits.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern void flashc_write_gp_fuse_bit(unsigned int gp_fuse_bit, Bool value);
+
+/*! \brief Writes a general-purpose fuse bit-field.
+ *
+ * \param pos The bit-position of the general-purpose fuse bit-field: \c 0 to
+ * \c 63.
+ * \param width The bit-width of the general-purpose fuse bit-field: \c 0 to
+ * \c 64.
+ * \param value The value of the specified general-purpose fuse bit-field.
+ *
+ * \warning A Lock Error is issued if the Security bit is active and the command
+ * is applied to BOOTPROT or EPFL fuses.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note A write operation can only clear bits.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern void flashc_write_gp_fuse_bitfield(unsigned int pos, unsigned int width, U64 value);
+
+/*! \brief Writes a general-purpose fuse byte.
+ *
+ * \param gp_fuse_byte The general-purpose fuse byte: \c 0 to \c 7.
+ * \param value The value of the specified general-purpose fuse byte.
+ *
+ * \warning A Lock Error is issued if the Security bit is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note A write operation can only clear bits.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern void flashc_write_gp_fuse_byte(unsigned int gp_fuse_byte, U8 value);
+
+/*! \brief Writes all general-purpose fuses.
+ *
+ * \param value The value of all general-purpose fuses as a word.
+ *
+ * \warning A Lock Error is issued if the Security bit is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note A write operation can only clear bits.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern void flashc_write_all_gp_fuses(U64 value);
+
+/*! \brief Sets a general-purpose fuse bit with the appropriate erase and write
+ * operations.
+ *
+ * \param gp_fuse_bit The general-purpose fuse bit: \c 0 to \c 63.
+ * \param value The value of the specified general-purpose fuse bit.
+ *
+ * \warning A Lock Error is issued if the Security bit is active and the command
+ * is applied to BOOTPROT or EPFL fuses.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern void flashc_set_gp_fuse_bit(unsigned int gp_fuse_bit, Bool value);
+
+/*! \brief Sets a general-purpose fuse bit-field with the appropriate erase and
+ * write operations.
+ *
+ * \param pos The bit-position of the general-purpose fuse bit-field: \c 0 to
+ * \c 63.
+ * \param width The bit-width of the general-purpose fuse bit-field: \c 0 to
+ * \c 64.
+ * \param value The value of the specified general-purpose fuse bit-field.
+ *
+ * \warning A Lock Error is issued if the Security bit is active and the command
+ * is applied to BOOTPROT or EPFL fuses.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern void flashc_set_gp_fuse_bitfield(unsigned int pos, unsigned int width, U64 value);
+
+/*! \brief Sets a general-purpose fuse byte with the appropriate erase and write
+ * operations.
+ *
+ * \param gp_fuse_byte The general-purpose fuse byte: \c 0 to \c 7.
+ * \param value The value of the specified general-purpose fuse byte.
+ *
+ * \warning A Lock Error is issued if the Security bit is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern void flashc_set_gp_fuse_byte(unsigned int gp_fuse_byte, U8 value);
+
+/*! \brief Sets all general-purpose fuses with the appropriate erase and write
+ * operations.
+ *
+ * \param value The value of all general-purpose fuses as a word.
+ *
+ * \warning A Lock Error is issued if the Security bit is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note The actual number of general-purpose fuse bits implemented by hardware
+ * is given by \c AVR32_FLASHC_GPF_NUM. The other bits among the 64 are
+ * fixed at 1 by hardware.
+ */
+extern void flashc_set_all_gp_fuses(U64 value);
+
+//! @}
+
+
+/*! \name Access to Flash Pages
+ */
+//! @{
+
+/*! \brief Clears the page buffer.
+ *
+ * This command resets all bits in the page buffer to one. Write accesses to the
+ * page buffer can only change page buffer bits from one to zero.
+ *
+ * \warning The page buffer is not automatically reset after a page write.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern void flashc_clear_page_buffer(void);
+
+/*! \brief Tells whether the page to which the last Quick Page Read or Quick
+ * Page Read User Page command was applied was erased.
+ *
+ * \return Whether the page to which the last Quick Page Read or Quick Page Read
+ * User Page command was applied was erased.
+ */
+extern Bool flashc_is_page_erased(void);
+
+/*! \brief Applies the Quick Page Read command to a page.
+ *
+ * \param page_number The page number:
+ * \arg \c 0 to <tt>(flashc_get_page_count() - 1)</tt>: a page number within
+ * the flash array;
+ * \arg <tt>< 0</tt>: the current page number.
+ *
+ * \return Whether the specified page is erased.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern Bool flashc_quick_page_read(int page_number);
+
+/*! \brief Erases a page.
+ *
+ * \param page_number The page number:
+ * \arg \c 0 to <tt>(flashc_get_page_count() - 1)</tt>: a page number within
+ * the flash array;
+ * \arg <tt>< 0</tt>: the current page number.
+ * \param check Whether to check erase: \c TRUE or \c FALSE.
+ *
+ * \return Whether the erase succeeded or always \c TRUE if erase check was not
+ * requested.
+ *
+ * \warning A Lock Error is issued if the command is applied to a page belonging
+ * to a locked region or to the bootloader protected area.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note An erase operation can only set bits.
+ */
+extern Bool flashc_erase_page(int page_number, Bool check);
+
+/*! \brief Erases all pages within the flash array.
+ *
+ * \param check Whether to check erase: \c TRUE or \c FALSE.
+ *
+ * \return Whether the erase succeeded or always \c TRUE if erase check was not
+ * requested.
+ *
+ * \warning A Lock Error is issued if at least one region is locked or the
+ * bootloader protection is active.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note An erase operation can only set bits.
+ */
+extern Bool flashc_erase_all_pages(Bool check);
+
+/*! \brief Writes a page from the page buffer.
+ *
+ * \param page_number The page number:
+ * \arg \c 0 to <tt>(flashc_get_page_count() - 1)</tt>: a page number within
+ * the flash array;
+ * \arg <tt>< 0</tt>: the current page number.
+ *
+ * \warning A Lock Error is issued if the command is applied to a page belonging
+ * to a locked region or to the bootloader protected area.
+ *
+ * \warning The page buffer is not automatically reset after a page write.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note A write operation can only clear bits.
+ */
+extern void flashc_write_page(int page_number);
+
+/*! \brief Issues a Quick Page Read User Page command to the FLASHC.
+ *
+ * \return Whether the User page is erased.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern Bool flashc_quick_user_page_read(void);
+
+/*! \brief Erases the User page.
+ *
+ * \param check Whether to check erase: \c TRUE or \c FALSE.
+ *
+ * \return Whether the erase succeeded or always \c TRUE if erase check was not
+ * requested.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note An erase operation can only set bits.
+ */
+extern Bool flashc_erase_user_page(Bool check);
+
+/*! \brief Writes the User page from the page buffer.
+ *
+ * \warning The page buffer is not automatically reset after a page write.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ *
+ * \note A write operation can only clear bits.
+ */
+extern void flashc_write_user_page(void);
+
+/*! \brief Copies \a nbytes bytes to the flash destination pointed to by \a dst
+ * from the repeated \a src source byte.
+ *
+ * The destination areas that are not within the flash array or the User page
+ * are ignored.
+ *
+ * All pointer and size alignments are supported.
+ *
+ * \param dst Pointer to flash destination.
+ * \param src Source byte.
+ * \param nbytes Number of bytes to set.
+ * \param erase Whether to erase before writing: \c TRUE or \c FALSE.
+ *
+ * \return The value of \a dst.
+ *
+ * \warning This function may be called with \a erase set to \c FALSE only if
+ * the destination consists only of erased words, i.e. this function
+ * can not be used to write only one bit of a previously written word.
+ * E.g., if \c 0x00000001 then \c 0xFFFFFFFE are written to a word, the
+ * resulting value in flash may be different from \c 0x00000000.
+ *
+ * \warning A Lock Error is issued if the command is applied to pages belonging
+ * to a locked region or to the bootloader protected area.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern volatile void *flashc_memset8(volatile void *dst, U8 src, size_t nbytes, Bool erase);
+
+/*! \brief Copies \a nbytes bytes to the flash destination pointed to by \a dst
+ * from the repeated \a src big-endian source half-word.
+ *
+ * The destination areas that are not within the flash array or the User page
+ * are ignored.
+ *
+ * All pointer and size alignments are supported.
+ *
+ * \param dst Pointer to flash destination.
+ * \param src Source half-word.
+ * \param nbytes Number of bytes to set.
+ * \param erase Whether to erase before writing: \c TRUE or \c FALSE.
+ *
+ * \return The value of \a dst.
+ *
+ * \warning This function may be called with \a erase set to \c FALSE only if
+ * the destination consists only of erased words, i.e. this function
+ * can not be used to write only one bit of a previously written word.
+ * E.g., if \c 0x00000001 then \c 0xFFFFFFFE are written to a word, the
+ * resulting value in flash may be different from \c 0x00000000.
+ *
+ * \warning A Lock Error is issued if the command is applied to pages belonging
+ * to a locked region or to the bootloader protected area.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern volatile void *flashc_memset16(volatile void *dst, U16 src, size_t nbytes, Bool erase);
+
+/*! \brief Copies \a nbytes bytes to the flash destination pointed to by \a dst
+ * from the repeated \a src big-endian source word.
+ *
+ * The destination areas that are not within the flash array or the User page
+ * are ignored.
+ *
+ * All pointer and size alignments are supported.
+ *
+ * \param dst Pointer to flash destination.
+ * \param src Source word.
+ * \param nbytes Number of bytes to set.
+ * \param erase Whether to erase before writing: \c TRUE or \c FALSE.
+ *
+ * \return The value of \a dst.
+ *
+ * \warning This function may be called with \a erase set to \c FALSE only if
+ * the destination consists only of erased words, i.e. this function
+ * can not be used to write only one bit of a previously written word.
+ * E.g., if \c 0x00000001 then \c 0xFFFFFFFE are written to a word, the
+ * resulting value in flash may be different from \c 0x00000000.
+ *
+ * \warning A Lock Error is issued if the command is applied to pages belonging
+ * to a locked region or to the bootloader protected area.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern volatile void *flashc_memset32(volatile void *dst, U32 src, size_t nbytes, Bool erase);
+
+/*! \brief Copies \a nbytes bytes to the flash destination pointed to by \a dst
+ * from the repeated \a src big-endian source double-word.
+ *
+ * The destination areas that are not within the flash array or the User page
+ * are ignored.
+ *
+ * All pointer and size alignments are supported.
+ *
+ * \param dst Pointer to flash destination.
+ * \param src Source double-word.
+ * \param nbytes Number of bytes to set.
+ * \param erase Whether to erase before writing: \c TRUE or \c FALSE.
+ *
+ * \return The value of \a dst.
+ *
+ * \warning This function may be called with \a erase set to \c FALSE only if
+ * the destination consists only of erased words, i.e. this function
+ * can not be used to write only one bit of a previously written word.
+ * E.g., if \c 0x00000001 then \c 0xFFFFFFFE are written to a word, the
+ * resulting value in flash may be different from \c 0x00000000.
+ *
+ * \warning A Lock Error is issued if the command is applied to pages belonging
+ * to a locked region or to the bootloader protected area.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern volatile void *flashc_memset64(volatile void *dst, U64 src, size_t nbytes, Bool erase);
+
+/*! \brief Copies \a nbytes bytes to the flash destination pointed to by \a dst
+ * from the repeated \a src big-endian source pattern.
+ *
+ * The destination areas that are not within the flash array or the User page
+ * are ignored.
+ *
+ * All pointer and size alignments are supported.
+ *
+ * \param dst Pointer to flash destination.
+ * \param src Source double-word.
+ * \param src_width \a src width in bits: 8, 16, 32 or 64.
+ * \param nbytes Number of bytes to set.
+ * \param erase Whether to erase before writing: \c TRUE or \c FALSE.
+ *
+ * \return The value of \a dst.
+ *
+ * \warning This function may be called with \a erase set to \c FALSE only if
+ * the destination consists only of erased words, i.e. this function
+ * can not be used to write only one bit of a previously written word.
+ * E.g., if \c 0x00000001 then \c 0xFFFFFFFE are written to a word, the
+ * resulting value in flash may be different from \c 0x00000000.
+ *
+ * \warning A Lock Error is issued if the command is applied to pages belonging
+ * to a locked region or to the bootloader protected area.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+#define flashc_memset(dst, src, src_width, nbytes, erase) \
+ TPASTE2(flashc_memset, src_width)((dst), (src), (nbytes), (erase))
+
+/*! \brief Copies \a nbytes bytes to the flash destination pointed to by \a dst
+ * from the source pointed to by \a src.
+ *
+ * The destination areas that are not within the flash array or the User page
+ * are ignored.
+ *
+ * All pointer and size alignments are supported.
+ *
+ * \param dst Pointer to flash destination.
+ * \param src Pointer to source data.
+ * \param nbytes Number of bytes to copy.
+ * \param erase Whether to erase before writing: \c TRUE or \c FALSE.
+ *
+ * \return The value of \a dst.
+ *
+ * \warning If copying takes place between areas that overlap, the behavior is
+ * undefined.
+ *
+ * \warning This function may be called with \a erase set to \c FALSE only if
+ * the destination consists only of erased words, i.e. this function
+ * can not be used to write only one bit of a previously written word.
+ * E.g., if \c 0x00000001 then \c 0xFFFFFFFE are written to a word, the
+ * resulting value in flash may be different from \c 0x00000000.
+ *
+ * \warning A Lock Error is issued if the command is applied to pages belonging
+ * to a locked region or to the bootloader protected area.
+ *
+ * \note The FLASHC error status returned by \ref flashc_is_lock_error and
+ * \ref flashc_is_programming_error is updated.
+ */
+extern volatile void *flashc_memcpy(volatile void *dst, const void *src, size_t nbytes, Bool erase);
+
+#if UC3C
+
+/*! \brief Depednding to the CPU frequency, set the wait states of flash read
+ * accesses and enable or disable the High speed read mode.
+ *
+ * \param cpu_f_hz The CPU frequency
+ */
+void flashc_set_flash_waitstate_and_readmode(unsigned long cpu_f_hz);
+#endif // UC3C device-specific implementation
+
+//! @}
+
+
+#endif // _FLASHC_H_