Files
tinyUSB/hw/mcu/nxp/lpc_chip_11u6x/src/eeprom.c
2018-12-01 01:34:19 +07:00

80 lines
2.9 KiB
C

/*
* @brief Common EEPROM support functions
*
* @note
* Copyright(C) NXP Semiconductors, 2013
* All rights reserved.
*
* @par
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* LPC products. This software is supplied "AS IS" without any warranties of
* any kind, and NXP Semiconductors and its licensor disclaim any and
* all warranties, express or implied, including all implied warranties of
* merchantability, fitness for a particular purpose and non-infringement of
* intellectual property rights. NXP Semiconductors assumes no responsibility
* or liability for the use of the software, conveys no license or rights under any
* patent, copyright, mask work right, or any other intellectual property rights in
* or to any products. NXP Semiconductors reserves the right to make changes
* in the software without notification. NXP Semiconductors also makes no
* representation or warranty that such application will be suitable for the
* specified use without further testing or modification.
*
* @par
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors' and its
* licensor's relevant copyrights in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
*/
#include "chip.h"
#include "eeprom.h"
/*****************************************************************************
* Private types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Public types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Private functions
****************************************************************************/
/*****************************************************************************
* Public functions
****************************************************************************/
/* Write data to EEPROM */
uint8_t Chip_EEPROM_Write(uint32_t dstAdd, uint8_t *ptr, uint32_t byteswrt)
{
uint32_t command[5], result[4];
command[0] = IAP_EEPROM_WRITE;
command[1] = dstAdd;
command[2] = (uint32_t) ptr;
command[3] = byteswrt;
command[4] = SystemCoreClock / 1000;
iap_entry(command, result);
return result[0];
}
/* Read data from EEPROM */
uint8_t Chip_EEPROM_Read(uint32_t srcAdd, uint8_t *ptr, uint32_t bytesrd)
{
uint32_t command[5], result[4];
command[0] = IAP_EEPROM_READ;
command[1] = srcAdd;
command[2] = (uint32_t) ptr;
command[3] = bytesrd;
command[4] = SystemCoreClock / 1000;
iap_entry(command, result);
return result[0];
}