beslan/eeprom
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Исправления

Browse Source
This commit is contained in:
Tutukov Beslan
2021-11-12 07:10:36 +03:00
parent f818b6b602
commit f6b04a0135
2 changed files with 856 additions and 881 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
eeprom.cpp
View File

@@ -42,8 +42,7 @@ const char * const EEPROM::_name[] = {"24C01","24C02","24C04","24C08","24C16","2
* @param type eeprom type (TypeEeprom) * @param type eeprom type (TypeEeprom)
* @return none * @return none
*/ */
EEPROM::EEPROM(PinName sda, PinName scl, uint8_t address, TypeEeprom type) : _i2c(sda, scl) EEPROM::EEPROM(PinName sda, PinName scl, uint8_t address, TypeEeprom type) : _i2c(sda, scl) {
{
_errnum = EEPROM_NoError; _errnum = EEPROM_NoError;
_type = type; _type = type;
@@ -143,8 +142,7 @@ EEPROM::EEPROM(PinName sda, PinName scl, uint8_t address, TypeEeprom type) : _i2
* @param data byte to write (int8_t) * @param data byte to write (int8_t)
* @return none * @return none
*/ */
void EEPROM::write(uint32_t address, int8_t data) void EEPROM::write(uint32_t address, int8_t data) {
{
uint8_t page; uint8_t page;
uint8_t addr; uint8_t addr;
uint8_t cmd[3]; uint8_t cmd[3];
@@ -177,8 +175,7 @@ void EEPROM::write(uint32_t address, int8_t data)
// Data // Data
cmd[1] = (uint8_t) data; cmd[1] = (uint8_t) data;
} } else {
else {
len = 3; len = 3;
// First word address (MSB) // First word address (MSB)
@@ -211,8 +208,7 @@ void EEPROM::write(uint32_t address, int8_t data)
* @param size number of bytes to write (uint32_t) * @param size number of bytes to write (uint32_t)
* @return none * @return none
*/ */
void EEPROM::write(uint32_t address, int8_t data[], uint32_t length) void EEPROM::write(uint32_t address, const int8_t data[], uint32_t length) {
{
uint8_t page; uint8_t page;
uint8_t addr = 0; uint8_t addr = 0;
uint8_t blocs, remain; uint8_t blocs, remain;
@@ -273,8 +269,7 @@ void EEPROM::write(uint32_t address, int8_t data[], uint32_t length)
// Increment address // Increment address
address += _page_write; address += _page_write;
} } else { // Data on 2 pages. We must split the write
else { // Data on 2 pages. We must split the write
// Number of bytes in current page // Number of bytes in current page
fpart = (page + 1) * 256 - address; fpart = (page + 1) * 256 - address;
@@ -329,8 +324,7 @@ void EEPROM::write(uint32_t address, int8_t data[], uint32_t length)
address += lpart; address += lpart;
} }
} }
} } else {
else {
// First word address (MSB) // First word address (MSB)
cmd[0] = (uint8_t) (address >> 8); cmd[0] = (uint8_t) (address >> 8);
@@ -383,8 +377,7 @@ void EEPROM::write(uint32_t address, int8_t data[], uint32_t length)
// Wait end of write // Wait end of write
ready(); ready();
} } else { // Data on 2 pages. We must split the write
else { // Data on 2 pages. We must split the write
// Number of bytes in current page // Number of bytes in current page
fpart = (page + 1) * 256 - address; fpart = (page + 1) * 256 - address;
@@ -436,8 +429,7 @@ void EEPROM::write(uint32_t address, int8_t data[], uint32_t length)
ready(); ready();
} }
} }
} } else {
else {
// Fist word address (MSB) // Fist word address (MSB)
cmd[0] = (uint8_t) (address >> 8); cmd[0] = (uint8_t) (address >> 8);
@@ -470,8 +462,7 @@ void EEPROM::write(uint32_t address, int8_t data[], uint32_t length)
* @param data short to write (int16_t) * @param data short to write (int16_t)
* @return none * @return none
*/ */
void EEPROM::write(uint32_t address, int16_t data) void EEPROM::write(uint32_t address, int16_t data) {
{
int8_t cmd[2]; int8_t cmd[2];
// Check error // Check error
@@ -498,8 +489,7 @@ void EEPROM::write(uint32_t address, int16_t data)
* @param data long to write (int32_t) * @param data long to write (int32_t)
* @return none * @return none
*/ */
void EEPROM::write(uint32_t address, int32_t data) void EEPROM::write(uint32_t address, int32_t data) {
{
int8_t cmd[4]; int8_t cmd[4];
// Check error // Check error
@@ -526,8 +516,7 @@ void EEPROM::write(uint32_t address, int32_t data)
* @param data float to write (float) * @param data float to write (float)
* @return none * @return none
*/ */
void EEPROM::write(uint32_t address, float data) void EEPROM::write(uint32_t address, float data) {
{
int8_t cmd[4]; int8_t cmd[4];
// Check error // Check error
@@ -555,9 +544,8 @@ void EEPROM::write(uint32_t address, float data)
* @param size number of bytes to write (uint32_t) * @param size number of bytes to write (uint32_t)
* @return none * @return none
*/ */
void EEPROM::write(uint32_t address, void *data, uint32_t size) void EEPROM::write(uint32_t address, void *data, uint32_t size) {
{ int8_t *cmd = nullptr;
int8_t *cmd = NULL;
// Check error // Check error
if (_errnum) if (_errnum)
@@ -570,7 +558,7 @@ void EEPROM::write(uint32_t address, void *data, uint32_t size)
} }
cmd = (int8_t *) malloc(size); cmd = (int8_t *) malloc(size);
if(cmd == NULL) { if (cmd == nullptr) {
_errnum = EEPROM_MallocError; _errnum = EEPROM_MallocError;
return; return;
} }
@@ -591,8 +579,7 @@ void EEPROM::write(uint32_t address, void *data, uint32_t size)
* @param data byte to read (int8_t&) * @param data byte to read (int8_t&)
* @return none * @return none
*/ */
void EEPROM::read(uint32_t address, int8_t& data) void EEPROM::read(uint32_t address, int8_t &data) {
{
uint8_t page; uint8_t page;
uint8_t addr; uint8_t addr;
uint8_t cmd[2]; uint8_t cmd[2];
@@ -622,8 +609,7 @@ void EEPROM::read(uint32_t address, int8_t& data)
// Word address // Word address
cmd[0] = (uint8_t) (address - page * 256); cmd[0] = (uint8_t) (address - page * 256);
} } else {
else {
len = 2; len = 2;
// First word address (MSB) // First word address (MSB)
@@ -658,8 +644,7 @@ void EEPROM::read(uint32_t address, int8_t& data)
* @param size number of bytes to read (uint32_t) * @param size number of bytes to read (uint32_t)
* @return none * @return none
*/ */
void EEPROM::read(uint32_t address, int8_t *data, uint32_t size) void EEPROM::read(uint32_t address, int8_t *data, uint32_t size) {
{
uint8_t page; uint8_t page;
uint8_t addr; uint8_t addr;
uint8_t cmd[2]; uint8_t cmd[2];
@@ -695,8 +680,7 @@ void EEPROM::read(uint32_t address, int8_t *data, uint32_t size)
// Word address // Word address
cmd[0] = (uint8_t) (address - page * 256); cmd[0] = (uint8_t) (address - page * 256);
} } else {
else {
len = 2; len = 2;
// First word address (MSB) // First word address (MSB)
@@ -714,7 +698,7 @@ void EEPROM::read(uint32_t address, int8_t *data, uint32_t size)
} }
// Sequential read // Sequential read
ack = _i2c.read((int)addr,(char *)data,size); ack = _i2c.read((int) addr, (char *) data, static_cast<int>(size));
if (ack != 0) { if (ack != 0) {
_errnum = EEPROM_I2cError; _errnum = EEPROM_I2cError;
return; return;
@@ -729,8 +713,7 @@ void EEPROM::read(uint32_t address, int8_t *data, uint32_t size)
* @param data byte to read (int8_t&) * @param data byte to read (int8_t&)
* @return none * @return none
*/ */
void EEPROM::read(int8_t& data) void EEPROM::read(int8_t &data) {
{
uint8_t addr; uint8_t addr;
int ack; int ack;
@@ -758,8 +741,7 @@ void EEPROM::read(int8_t& data)
* @param data short to read (int16_t&) * @param data short to read (int16_t&)
* @return none * @return none
*/ */
void EEPROM::read(uint32_t address, int16_t& data) void EEPROM::read(uint32_t address, int16_t &data) {
{
int8_t cmd[2]; int8_t cmd[2];
// Check error // Check error
@@ -786,8 +768,7 @@ void EEPROM::read(uint32_t address, int16_t& data)
* @param data long to read (int32_t&) * @param data long to read (int32_t&)
* @return none * @return none
*/ */
void EEPROM::read(uint32_t address, int32_t& data) void EEPROM::read(uint32_t address, int32_t &data) {
{
int8_t cmd[4]; int8_t cmd[4];
// Check error // Check error
@@ -814,8 +795,7 @@ void EEPROM::read(uint32_t address, int32_t& data)
* @param data float to read (float&) * @param data float to read (float&)
* @return none * @return none
*/ */
void EEPROM::read(uint32_t address, float& data) void EEPROM::read(uint32_t address, float &data) {
{
int8_t cmd[4]; int8_t cmd[4];
// Check error // Check error
@@ -843,9 +823,8 @@ void EEPROM::read(uint32_t address, float& data)
* @param size number of bytes to read (uint32_t) * @param size number of bytes to read (uint32_t)
* @return none * @return none
*/ */
void EEPROM::read(uint32_t address, void *data, uint32_t size) void EEPROM::read(uint32_t address, void *data, uint32_t size) {
{ int8_t *cmd = nullptr;
int8_t *cmd = NULL;
// Check error // Check error
if (_errnum) if (_errnum)
@@ -859,7 +838,7 @@ void EEPROM::read(uint32_t address, void *data, uint32_t size)
cmd = (int8_t *) malloc(size); cmd = (int8_t *) malloc(size);
if(cmd == NULL) { if (cmd == nullptr) {
_errnum = EEPROM_MallocError; _errnum = EEPROM_MallocError;
return; return;
} }
@@ -879,8 +858,7 @@ void EEPROM::read(uint32_t address, void *data, uint32_t size)
* @param none * @param none
* @return none * @return none
*/ */
void EEPROM::clear(void) void EEPROM::clear() {
{
int32_t data; int32_t data;
uint32_t i; uint32_t i;
@@ -898,8 +876,7 @@ void EEPROM::clear(void)
* @param none * @param none
* @return none * @return none
*/ */
void EEPROM::ready(void) void EEPROM::ready() {
{
int ack; int ack;
uint8_t addr; uint8_t addr;
uint8_t cmd[2]; uint8_t cmd[2];
@@ -928,8 +905,7 @@ void EEPROM::ready(void)
* @param none * @param none
* @return size in bytes (uint32_t) * @return size in bytes (uint32_t)
*/ */
uint32_t EEPROM::getSize(void) uint32_t EEPROM::getSize() {
{
return (_size); return (_size);
} }
@@ -940,8 +916,7 @@ uint32_t EEPROM::getSize(void)
* @param none * @param none
* @return name (const char*) * @return name (const char*)
*/ */
const char* EEPROM::getName(void) const char *EEPROM::getName() {
{
uint8_t i = 0; uint8_t i = 0;
switch (_type) { switch (_type) {
@@ -993,8 +968,7 @@ const char* EEPROM::getName(void)
* @param none * @param none
* @return none * @return none
*/ */
uint8_t EEPROM::getError(void) uint8_t EEPROM::getError() {
{
return (_errnum); return (_errnum);
} }
@@ -1005,8 +979,7 @@ uint8_t EEPROM::getError(void)
* @param address address to check (uint32_t) * @param address address to check (uint32_t)
* @return true if in eeprom range, overwise false (bool) * @return true if in eeprom range, overwise false (bool)
*/ */
bool EEPROM::checkAddress(uint32_t address) bool EEPROM::checkAddress(uint32_t address) {
{
bool ret = true; bool ret = true;
switch (_type) { switch (_type) {

22
eeprom.h
View File

@@ -32,9 +32,11 @@ static std::string _ErrorMessageEEPROM[EEPROM_MaxError] = {
*/ */
class EEPROM { class EEPROM {
public: public:
enum TypeEeprom {T24C01=128,T24C02=256,T24C04=512,T24C08=1024,T24C16=2048, enum TypeEeprom {
T24C01 = 128, T24C02 = 256, T24C04 = 512, T24C08 = 1024, T24C16 = 2048,
T24C32 = 4096, T24C64 = 8192, T24C128 = 16384, T24C256 = 32768, T24C32 = 4096, T24C64 = 8192, T24C128 = 16384, T24C256 = 32768,
T24C512=65536,T24C1024=131072,T24C1025=131073} Type; T24C512 = 65536, T24C1024 = 131072, T24C1025 = 131073
} Type;
/** /**
* Constructor, initialize the eeprom on i2c interface. * Constructor, initialize the eeprom on i2c interface.
@@ -151,50 +153,49 @@ public:
* @param size number of bytes to write (uint32_t) * @param size number of bytes to write (uint32_t)
* @return none * @return none
*/ */
void write(uint32_t address, int8_t data[], uint32_t size); void write(uint32_t address, const int8_t data[], uint32_t size);
/** /**
* Wait eeprom ready * Wait eeprom ready
* @param none * @param none
* @return none * @return none
*/ */
void ready(void); void ready();
/** /**
* Get eeprom size in bytes * Get eeprom size in bytes
* @param none * @param none
* @return size in bytes (uint32_t) * @return size in bytes (uint32_t)
*/ */
uint32_t getSize(void); uint32_t getSize();
/** /**
* Get eeprom name * Get eeprom name
* @param none * @param none
* @return name (const char*) * @return name (const char*)
*/ */
const char* getName(void); const char *getName();
/** /**
* Clear eeprom (write with 0) * Clear eeprom (write with 0)
* @param none * @param none
* @return none * @return none
*/ */
void clear(void); void clear();
/** /**
* Get the current error number (EEPROM_NoError if no error) * Get the current error number (EEPROM_NoError if no error)
* @param none * @param none
* @return none * @return none
*/ */
uint8_t getError(void); uint8_t getError();
/** /**
* Get current error message * Get current error message
* @param none * @param none
* @return current error message(std::string) * @return current error message(std::string)
*/ */
std::string getErrorMessage(void) std::string getErrorMessage(void) const {
{
return (_ErrorMessageEEPROM[_errnum]); return (_ErrorMessageEEPROM[_errnum]);
} }
@@ -211,4 +212,5 @@ private:
static const char *const _name[]; // eeprom name static const char *const _name[]; // eeprom name
//------------------------------------- //-------------------------------------
}; };
#endif #endif