1 /*!
2 * \file eeprom-board.c
3 *
4 * \brief Target board EEPROM driver implementation
5 *
6 * \copyright Revised BSD License, see section \ref LICENSE.
7 *
8 * \code
9 * ______ _
10 * / _____) _ | |
11 * ( (____ _____ ____ _| |_ _____ ____| |__
12 * \____ \| ___ | (_ _) ___ |/ ___) _ \
13 * _____) ) ____| | | || |_| ____( (___| | | |
14 * (______/|_____)_|_|_| \__)_____)\____)_| |_|
15 * (C)2013-2017 Semtech
16 *
17 * \endcode
18 *
19 * \author Miguel Luis ( Semtech )
20 *
21 * \author Gregory Cristian ( Semtech )
22 */
23 #include "stm32l0xx.h"
24 #include "utilities.h"
25 #include "eeprom-board.h"
26
EepromMcuWriteBuffer(uint16_t addr,uint8_t * buffer,uint16_t size)27 LmnStatus_t EepromMcuWriteBuffer( uint16_t addr, uint8_t *buffer, uint16_t size )
28 {
29 LmnStatus_t status = LMN_STATUS_ERROR;
30
31 assert_param( ( DATA_EEPROM_BASE + addr ) >= DATA_EEPROM_BASE );
32 assert_param( buffer != NULL );
33 assert_param( size < ( DATA_EEPROM_BANK2_END - DATA_EEPROM_BASE ) );
34
35 if( HAL_FLASHEx_DATAEEPROM_Unlock( ) == HAL_OK )
36 {
37 CRITICAL_SECTION_BEGIN( );
38 for( uint16_t i = 0; i < size; i++ )
39 {
40 if( HAL_FLASHEx_DATAEEPROM_Program( FLASH_TYPEPROGRAMDATA_BYTE,
41 ( DATA_EEPROM_BASE + addr + i ),
42 buffer[i] ) != HAL_OK )
43 {
44 // Failed to write EEPROM
45 break;
46 }
47 }
48 CRITICAL_SECTION_END( );
49 status = LMN_STATUS_OK;
50 }
51
52 HAL_FLASHEx_DATAEEPROM_Lock( );
53 return status;
54 }
55
EepromMcuReadBuffer(uint16_t addr,uint8_t * buffer,uint16_t size)56 LmnStatus_t EepromMcuReadBuffer( uint16_t addr, uint8_t *buffer, uint16_t size )
57 {
58 assert_param( ( DATA_EEPROM_BASE + addr ) >= DATA_EEPROM_BASE );
59 assert_param( buffer != NULL );
60 assert_param( size < ( DATA_EEPROM_BANK2_END - DATA_EEPROM_BASE ) );
61
62 memcpy1( buffer, ( uint8_t* )( DATA_EEPROM_BASE + addr ), size );
63 return LMN_STATUS_OK;
64 }
65
EepromMcuSetDeviceAddr(uint8_t addr)66 void EepromMcuSetDeviceAddr( uint8_t addr )
67 {
68 assert_param( LMN_STATUS_ERROR );
69 }
70
EepromMcuGetDeviceAddr(void)71 LmnStatus_t EepromMcuGetDeviceAddr( void )
72 {
73 assert_param( LMN_STATUS_ERROR );
74 return 0;
75 }
76
