Updated filenames

arduino/Memory.h

@@ -0,0 +1,77 @@
+/*
+Copyright 2018 Sam Stevens
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+ */
+
+#ifndef UVM_MEMORY_H
+#define UVM_MEMORY_H
+
+#include <SPI.h>
+
+enum MemoryMode_t {
+  MODE_BYTE = 0x00,
+  MODE_PAGE = 0x80,
+  MODE_SEQ  = 0x40
+};
+typedef enum MemoryMode_t MemoryMode;
+
+enum MemoryInstruction_t {
+  INSTR_READ  = 0x03,
+  INSTR_WRITE = 0x02,
+  INSTR_EDIO  = 0x3B,
+  INSTR_RESIO = 0xFF,
+  INSTR_RDMR  = 0x05,
+  INSTR_WRMR  = 0x01
+};
+typedef enum MemoryInstruction_t MemoryInstruction;
+
+class Memory {
+    SPISettings setting;
+    uint8_t csPin;
+    uint16_t memSize;
+    void start();
+    void end();
+  public:
+    Memory(uint8_t csPin);
+    uint16_t getSize();
+    void setSize(uint16_t memSize);
+    bool init();
+    uint8_t read(uint16_t addr);
+    void write(uint16_t addr, uint8_t data);
+    void writeRange(uint8_t data, uint16_t from, uint16_t to) ;
+    bool verifyRange(uint8_t data, uint16_t from, uint16_t to);
+    bool test();
+};
+
+struct MemoryCacheItem_t {
+  uint16_t addr;
+  uint8_t data;
+  uint8_t ttl;
+  bool valid;
+};
+typedef struct MemoryCacheItem_t MemoryCacheItem;
+
+class MemoryCache {
+    MemoryCacheItem *cache = NULL;
+    Memory *memory = NULL;
+    uint8_t cacheElements = 0;
+  public:
+    MemoryCache(uint8_t cacheElements, Memory& memory);
+    uint8_t getSize();
+    MemoryCacheItem* getItem(uint8_t index);
+    uint8_t read(uint16_t addr);
+    void update(uint16_t addr, uint8_t data);
+};
+
+#endif //UVM_MEMORY_H