Emulate eeprom

diff --git a/build_test.mk b/build_test.mk
index 4d532e5bd154aa8917cb5431f0ea40c08d7b74b7..609b094affd151ca4f546e376944d02e41dd037c 100644 (file)
--- 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 9b3002cc907fb4dc7e4606a2c1c408237f69925f..4f80e0fa9bd38209257e8bed6688e90708aa6583 100644 (file)
--- 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 2cc2ccee3f74cdbcb81e3df29e00a2f88795d699..3696d0df3f89df48060162b197ac623b5f9d4f97 100644 (file)
--- a/tmk_core/common/eeprom.h
+++ b/tmk_core/common/eeprom.h
@@ -4,6 +4,8 @@
 #if defined(__AVR__)
 #include <avr/eeprom.h>
 #else
+#include <stdint.h>
+
 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 (file)
index 0000000..61cc039
--- /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 <http://www.gnu.org/licenses/>.
+ */
+
+#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++);
+       }
+}