/**	+
−
 * |----------------------------------------------------------------------+
−
 * | Copyright (C) Tilen Majerle, 2014+
−
 * | +
−
 * | 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 3 of the License, or+
−
 * | 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 "tm_stm32f4_otp.h"+
−
+
−
HAL_StatusTypeDef TM_OTP_Write(uint8_t block, uint8_t byte, uint8_t data)+
−
{+
−
	HAL_StatusTypeDef answer;+
−
+
−
	/* Check input parameters */+
−
	if (+
−
		block >= OTP_BLOCKS ||+
−
		byte >= OTP_BYTES_IN_BLOCK+
−
	) {+
−
		/* Invalid parameters */+
−
		return HAL_ERROR;+
−
	}+
−
+
−
	if(*(uint8_t *)(OTP_START_ADDR + block * OTP_BYTES_IN_BLOCK + byte) != 0xFF)+
−
		return HAL_ERROR;	+
−
+
−
	/* Unlock FLASH */+
−
	HAL_FLASH_Unlock();+
−
+
−
	answer = HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE, (OTP_START_ADDR + block * OTP_BYTES_IN_BLOCK + byte), data);+
−
+
−
	/* Lock FLASH */+
−
	HAL_FLASH_Lock();+
−
+
−
	return answer;+
−
}+
−
+
−
+
−
uint8_t TM_OTP_Read(uint8_t block, uint8_t byte) {+
−
	uint8_t data;+
−
	+
−
	/* Check input parameters */+
−
	if (+
−
		block >= OTP_BLOCKS ||+
−
		byte >= OTP_BYTES_IN_BLOCK+
−
	) {+
−
		/* Invalid parameters */+
−
		return HAL_ERROR;+
−
	}+
−
	+
−
	/* Get value */+
−
	data = *(__IO uint8_t *)(OTP_START_ADDR + block * OTP_BYTES_IN_BLOCK + byte);+
−
	+
−
	/* Return data */+
−
	return data;+
−
}+
−