From d29906cb64f3c49da43c209ce341e577278e5fad Mon Sep 17 00:00:00 2001 From: Fred Sundvik Date: Fri, 16 Jun 2017 22:01:21 +0300 Subject: [PATCH] Emulate eeprom --- build_test.mk | 1 + tmk_core/common.mk | 4 ++ tmk_core/common/eeprom.h | 2 + tmk_core/common/test/eeprom.c | 98 +++++++++++++++++++++++++++++++++++ 4 files changed, 105 insertions(+) create mode 100644 tmk_core/common/test/eeprom.c diff --git a/build_test.mk b/build_test.mk index 4d532e5bd..609b094af 100644 --- a/build_test.mk +++ b/build_test.mk @@ -40,6 +40,7 @@ VPATH +=\ all: elf VPATH += $(COMMON_VPATH) +PLATFORM:=TEST include $(TMK_PATH)/common.mk include $(QUANTUM_PATH)/serial_link/tests/rules.mk diff --git a/tmk_core/common.mk b/tmk_core/common.mk index 9b3002cc9..4f80e0fa9 100644 --- a/tmk_core/common.mk +++ b/tmk_core/common.mk @@ -31,6 +31,10 @@ ifeq ($(PLATFORM),CHIBIOS) TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/eeprom.c endif +ifeq ($(PLATFORM),TEST) + TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/eeprom.c +endif + # Option modules diff --git a/tmk_core/common/eeprom.h b/tmk_core/common/eeprom.h index 2cc2ccee3..3696d0df3 100644 --- a/tmk_core/common/eeprom.h +++ b/tmk_core/common/eeprom.h @@ -4,6 +4,8 @@ #if defined(__AVR__) #include #else +#include + uint8_t eeprom_read_byte (const uint8_t *__p); uint16_t eeprom_read_word (const uint16_t *__p); uint32_t eeprom_read_dword (const uint32_t *__p); diff --git a/tmk_core/common/test/eeprom.c b/tmk_core/common/test/eeprom.c new file mode 100644 index 000000000..61cc039ef --- /dev/null +++ b/tmk_core/common/test/eeprom.c @@ -0,0 +1,98 @@ +/* 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 . + */ + +#include "eeprom.h" + +#define EEPROM_SIZE 32 + +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, uint32_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, uint32_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, uint32_t len) { + uint8_t *p = (uint8_t *)addr; + const uint8_t *src = (const uint8_t *)buf; + while (len--) { + eeprom_write_byte(p++, *src++); + } +}