/********************************************************************************************************
 * @file	flash_mid14325e.c
 *
 * @brief	This is the source file for B85
 *
 * @author	Driver Group
 * @date	2018
 *
 * @par     Copyright (c) 2018, Telink Semiconductor (Shanghai) Co., Ltd. ("TELINK")
 *          All rights reserved.
 *
 *          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 "flash_type.h"


/**
 * @brief 		This function reads the status of flash.
 * @return 		the value of status.
 * @note        Attention: Before calling the FLASH function, please check the power supply voltage of the chip.
 *              Only if the detected voltage is greater than the safe voltage value, the FLASH function can be called.
 *              Taking into account the factors such as power supply fluctuations, the safe voltage value needs to be greater
 *              than the minimum chip operating voltage. For the specific value, please make a reasonable setting according
 *              to the specific application and hardware circuit.
 *
 *              Risk description: When the chip power supply voltage is relatively low, due to the unstable power supply,
 *              there may be a risk of error in the operation of the flash (especially for the write and erase operations.
 *              If an abnormality occurs, the firmware and user data may be rewritten, resulting in the final Product failure)
 */
unsigned char flash_read_status_mid14325e(void)
{
	return flash_read_status(FLASH_READ_STATUS_CMD_LOWBYTE);
}

/**
 * @brief 		This function write the status of flash.
 * @param[in]  	data	- the value of status.
 * @param[in]  	bit		- the range of bits to be modified when writing status.
 * @return 		none.
 * @note        Attention: Before calling the FLASH function, please check the power supply voltage of the chip.
 *              Only if the detected voltage is greater than the safe voltage value, the FLASH function can be called.
 *              Taking into account the factors such as power supply fluctuations, the safe voltage value needs to be greater
 *              than the minimum chip operating voltage. For the specific value, please make a reasonable setting according
 *              to the specific application and hardware circuit.
 *
 *              Risk description: When the chip power supply voltage is relatively low, due to the unstable power supply,
 *              there may be a risk of error in the operation of the flash (especially for the write and erase operations.
 *              If an abnormality occurs, the firmware and user data may be rewritten, resulting in the final Product failure)
 */
void flash_write_status_mid14325e(unsigned char data, mid14325e_write_status_bit_e bit)
{
	unsigned char status = flash_read_status(FLASH_READ_STATUS_CMD_LOWBYTE);
	if(data != (status & bit)){
		data |= (status & ~(bit));
		flash_write_status(FLASH_TYPE_8BIT_STATUS, data);
	}
}

/**
 * @brief 		This function serves to set the protection area of the flash.
 * @param[in]   data	- refer to the protection area definition in the .h file.
 * @return 		none.
 * @note        Attention: Before calling the FLASH function, please check the power supply voltage of the chip.
 *              Only if the detected voltage is greater than the safe voltage value, the FLASH function can be called.
 *              Taking into account the factors such as power supply fluctuations, the safe voltage value needs to be greater
 *              than the minimum chip operating voltage. For the specific value, please make a reasonable setting according
 *              to the specific application and hardware circuit.
 *
 *              Risk description: When the chip power supply voltage is relatively low, due to the unstable power supply,
 *              there may be a risk of error in the operation of the flash (especially for the write and erase operations.
 *              If an abnormality occurs, the firmware and user data may be rewritten, resulting in the final Product failure)
 */
void flash_lock_mid14325e(mid14325e_lock_block_e data)
{
	flash_write_status_mid14325e(data, FLASH_WRITE_STATUS_BP_MID14325E);
}

void flash_lock_all_mid14325e(void)
{
	flash_write_status_mid14325e(FLASH_LOCK_ALL_1M_MID14325E, FLASH_WRITE_STATUS_BP_MID14325E);
}

/**
 * @brief 		This function serves to flash release protection.
 * @return 		none.
 * @note        Attention: Before calling the FLASH function, please check the power supply voltage of the chip.
 *              Only if the detected voltage is greater than the safe voltage value, the FLASH function can be called.
 *              Taking into account the factors such as power supply fluctuations, the safe voltage value needs to be greater
 *              than the minimum chip operating voltage. For the specific value, please make a reasonable setting according
 *              to the specific application and hardware circuit.
 *
 *              Risk description: When the chip power supply voltage is relatively low, due to the unstable power supply,
 *              there may be a risk of error in the operation of the flash (especially for the write and erase operations.
 *              If an abnormality occurs, the firmware and user data may be rewritten, resulting in the final Product failure)
 */
void flash_unlock_mid14325e(void)
{
	flash_write_status_mid14325e(FLASH_LOCK_NONE_MID14325E, FLASH_WRITE_STATUS_BP_MID14325E);
}


