LPCOpen Platform for LPC18XX/43XX microcontrollers  18XX43XX
LPCOpen Platform for the NXP LPC18XX/43XX family of Microcontrollers
eeprom_18xx_43xx.c
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1 /*
2  * @brief LPC18xx/43xx EEPROM driver
3  *
4  * @note
5  * Copyright(C) NXP Semiconductors, 2012
6  * All rights reserved.
7  *
8  * @par
9  * Software that is described herein is for illustrative purposes only
10  * which provides customers with programming information regarding the
11  * LPC products. This software is supplied "AS IS" without any warranties of
12  * any kind, and NXP Semiconductors and its licensor disclaim any and
13  * all warranties, express or implied, including all implied warranties of
14  * merchantability, fitness for a particular purpose and non-infringement of
15  * intellectual property rights. NXP Semiconductors assumes no responsibility
16  * or liability for the use of the software, conveys no license or rights under any
17  * patent, copyright, mask work right, or any other intellectual property rights in
18  * or to any products. NXP Semiconductors reserves the right to make changes
19  * in the software without notification. NXP Semiconductors also makes no
20  * representation or warranty that such application will be suitable for the
21  * specified use without further testing or modification.
22  *
23  * @par
24  * Permission to use, copy, modify, and distribute this software and its
25  * documentation is hereby granted, under NXP Semiconductors' and its
26  * licensor's relevant copyrights in the software, without fee, provided that it
27  * is used in conjunction with NXP Semiconductors microcontrollers. This
28  * copyright, permission, and disclaimer notice must appear in all copies of
29  * this code.
30  */
31 
32 #include "chip.h"
33 
34 /*****************************************************************************
35  * Private types/enumerations/variables
36  ****************************************************************************/
37 
38 /*****************************************************************************
39  * Public types/enumerations/variables
40  ****************************************************************************/
41 
42 /*****************************************************************************
43  * Private functions
44  ****************************************************************************/
45 
46 /* Setup EEPROM clock */
48 {
49  uint32_t clk;
50 
51  /* Setup EEPROM timing to 375KHz based on PCLK rate */
53 
54  /* Set EEPROM clock divide value*/
55  pEEPROM->CLKDIV = clk / EEPROM_CLOCK_DIV - 1;
56 }
57 
58 /* Setup EEPROM clock */
60 {
61  /* Setup EEPROM wait states*/
64 
65 }
66 
67 /*****************************************************************************
68  * Public functions
69  ****************************************************************************/
70 
71 /* Initializes the EEPROM peripheral with specified parameter */
73 {
74  /* Disable EEPROM power down mode */
76  setClkDiv(pEEPROM);
77  setWaitState(pEEPROM);
78 }
79 
80 /* Write data from page register to non-volatile memory */
82 {
86 }
87 
88 /* Wait for interrupt */
89 void Chip_EEPROM_WaitForIntStatus(LPC_EEPROM_T *pEEPROM, uint32_t mask)
90 {
91  uint32_t status;
92  while (1) {
93  status = Chip_EEPROM_GetIntStatus(pEEPROM);
94  if ((status & mask) == mask) {
95  break;
96  }
97  }
98  Chip_EEPROM_ClearIntStatus(pEEPROM, mask);
99 }
100