custom-uv-k5-firmware/driver/eeprom.c

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2023-08-09 23:00:44 +08:00
/* 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_DelayUs(10);
}