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authorDavid Madison <dmadison@users.noreply.github.com>2019-02-15 12:08:19 -0500
committerDavid Madison <dmadison@users.noreply.github.com>2019-02-15 12:08:31 -0500
commit4a7ef06b516dba4cdda939a16e5458c59592f6b1 (patch)
treeb00e15e665a2f456c1fb207aeb9ac12283181a00 /firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c
parent98f00eb533e0ed571b90f8e014d1eb59052a0597 (diff)
Delete 'firmwares' folder
Diffstat (limited to 'firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c')
-rw-r--r--firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c1117
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diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c
deleted file mode 100644
index 2eee15c..0000000
--- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/FLASHC/flashc.c
+++ /dev/null
@@ -1,1117 +0,0 @@
-/* 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
-
-//! @}