Initial commit

driver/eeprom.c

@@ -0,0 +1,55 @@
+/* Copyright 2023 Dual Tachyon
+ * https://github.com/DualTachyon
+ *
+ * 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.
+ */
+
+#include "driver/eeprom.h"
+#include "driver/i2c.h"
+#include "driver/system.h"
+
+void EEPROM_ReadBuffer(uint16_t Address, void *pBuffer, uint8_t Size)
+{
+	I2C_Start();
+
+	I2C_Write(0xA0);
+
+	I2C_Write((Address >> 8) & 0xFF);
+	I2C_Write((Address >> 0) & 0xFF);
+
+	I2C_Start();
+
+	I2C_Write(0xA1);
+
+	I2C_ReadBuffer(pBuffer, Size);
+
+	I2C_Stop();
+}
+
+void EEPROM_WriteBuffer(uint16_t Address, const void *pBuffer)
+
+{
+	I2C_Start();
+
+	I2C_Write(0xA0);
+
+	I2C_Write((Address >> 8) & 0xFF);
+	I2C_Write((Address >> 0) & 0xFF);
+
+	I2C_WriteBuffer(pBuffer, 8);
+
+	I2C_Stop();
+
+	SYSTEM_DelayMs(10);
+}
+