diff options
Diffstat (limited to 'tmk_core/common/arm_atsam/eeprom.c')
-rw-r--r-- | tmk_core/common/arm_atsam/eeprom.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/tmk_core/common/arm_atsam/eeprom.c b/tmk_core/common/arm_atsam/eeprom.c deleted file mode 100644 index ccd5d15a54..0000000000 --- a/tmk_core/common/arm_atsam/eeprom.c +++ /dev/null @@ -1,98 +0,0 @@ -/* Copyright 2017 Fred Sundvik - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "eeprom.h" - -#ifndef EEPROM_SIZE -# include "eeconfig.h" -# define EEPROM_SIZE (((EECONFIG_SIZE + 3) / 4) * 4) // based off eeconfig's current usage, aligned to 4-byte sizes, to deal with LTO -#endif - -__attribute__((aligned(4))) static uint8_t buffer[EEPROM_SIZE]; - -uint8_t eeprom_read_byte(const uint8_t *addr) { - uintptr_t offset = (uintptr_t)addr; - return buffer[offset]; -} - -void eeprom_write_byte(uint8_t *addr, uint8_t value) { - uintptr_t offset = (uintptr_t)addr; - buffer[offset] = value; -} - -uint16_t eeprom_read_word(const uint16_t *addr) { - const uint8_t *p = (const uint8_t *)addr; - return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8); -} - -uint32_t eeprom_read_dword(const uint32_t *addr) { - const uint8_t *p = (const uint8_t *)addr; - return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8) | (eeprom_read_byte(p + 2) << 16) | (eeprom_read_byte(p + 3) << 24); -} - -void eeprom_read_block(void *buf, const void *addr, size_t len) { - const uint8_t *p = (const uint8_t *)addr; - uint8_t * dest = (uint8_t *)buf; - while (len--) { - *dest++ = eeprom_read_byte(p++); - } -} - -void eeprom_write_word(uint16_t *addr, uint16_t value) { - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p, value >> 8); -} - -void eeprom_write_dword(uint32_t *addr, uint32_t value) { - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p++, value >> 8); - eeprom_write_byte(p++, value >> 16); - eeprom_write_byte(p, value >> 24); -} - -void eeprom_write_block(const void *buf, void *addr, size_t len) { - uint8_t * p = (uint8_t *)addr; - const uint8_t *src = (const uint8_t *)buf; - while (len--) { - eeprom_write_byte(p++, *src++); - } -} - -void eeprom_update_byte(uint8_t *addr, uint8_t value) { eeprom_write_byte(addr, value); } - -void eeprom_update_word(uint16_t *addr, uint16_t value) { - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p, value >> 8); -} - -void eeprom_update_dword(uint32_t *addr, uint32_t value) { - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p++, value >> 8); - eeprom_write_byte(p++, value >> 16); - eeprom_write_byte(p, value >> 24); -} - -void eeprom_update_block(const void *buf, void *addr, size_t len) { - uint8_t * p = (uint8_t *)addr; - const uint8_t *src = (const uint8_t *)buf; - while (len--) { - eeprom_write_byte(p++, *src++); - } -} |