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Settings.cpp
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Settings.cpp
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#include "Settings.h"
// Format:
// [1]Key1[2]Value1[1]Key2[2]Value2[1]Key3[2]Value3[1]
Settings::Settings() {
m_data.reserve(BUFFER_SIZE);
Clear();
}
void Settings::Begin(CriticalActionCallbackType *criticalActionCallback) {
m_criticalActionCallback = criticalActionCallback;
nvs_flash_init();
}
void Settings::Clear() {
m_data = String((char)1);
}
Settings::ItemPosition Settings::GetItemPosition(String key) {
ItemPosition result;
String searchText;
searchText += (char)1;
searchText += key;
searchText += (char)2;
result.from = m_data.indexOf(searchText);
result.to = searchText.length() + result.from;
return result;
}
String Settings::GetRaw(String key) {
String result;
ItemPosition position = GetItemPosition(key);
result = m_data.substring(position.from, position.to);
int i = position.to;
while(m_data[i] != 1 && i < BUFFER_SIZE) {
result += m_data[i];
i++;
}
return result;
}
bool Settings::Contains(String key) {
return GetItemPosition(key).from != -1;
}
void Settings::Remove(String key) {
m_data.replace(GetRaw(key), "");
}
void Settings::Add(String key, String value) {
ItemPosition position = GetItemPosition(key);
if (position.from != -1) {
Remove(key);
}
if (value.length() > 0) {
m_data += key;
m_data += (char)2;
m_data += value;
m_data += (char)1;
}
}
void Settings::Add(String key, int value) {
Add(key, String(value));
}
void Settings::Add(String key, float value) {
Add(key, String(value));
}
String Settings::ToString() {
String result;
result += m_data;
result.replace(String((char)1), "; ");
result.replace(String((char)2), " ");
result = result.substring(1);
result.trim();
result = "SETUP " + result;
return result;
}
void Settings::FromString(String settings) {
settings.trim();
if (settings.startsWith("SETUP ")) {
settings = settings.substring(6);
}
if (!settings.endsWith(";")) {
settings += ";";
}
byte step = 0;
String key = "";
String value = "";
for (uint i = 0; i < settings.length(); i++) {
char cc = settings[i];
if (step == 0) {
if (cc == ' ' && key.length() > 0) {
step = 1;
}
else {
key += cc;
}
}
else if (step == 1) {
if (cc == ';') {
step = 0;
key.trim();
value.trim();
if (key.length() > 0 && value.length() > 0) {
Add(key, value);
key = "";
value = "";
}
}
else {
value += cc;
}
}
}
}
void Settings::Read() {
if (m_criticalActionCallback) {
m_criticalActionCallback(true);
}
nvs_handle handle;
nvs_open("Settings", nvs_open_mode::NVS_READONLY, &handle);
char *str = new char[BUFFER_SIZE];
size_t strl = BUFFER_SIZE;
esp_err_t err = nvs_get_str(handle, "settings", str, &strl);
if (err == ESP_OK) {
m_data = String(str);
}
else {
m_data = String((char)1);
}
delete str;
nvs_close(handle);
if (m_criticalActionCallback) {
m_criticalActionCallback(false);
}
}
String Settings::Write() {
String result;
if (m_criticalActionCallback) {
m_criticalActionCallback(true);
}
nvs_handle handle;
nvs_open("Settings", nvs_open_mode::NVS_READWRITE, &handle);
nvs_set_str(handle, "settings", (const char*)m_data.c_str());
nvs_commit(handle);
nvs_close(handle);
result += m_data.length();
result += " Byte (max. ";
result += BUFFER_SIZE;
result += ")";
if (m_criticalActionCallback) {
m_criticalActionCallback(false);
}
return result;
}
String Settings::Get(String key, String defaultValue) {
String result = defaultValue;
ItemPosition pos = GetItemPosition(key);
if (pos.from != -1) {
String raw = GetRaw(key);
int i = raw.indexOf(2);
if(i != -1) {
result = raw.substring(i+1);
result.replace(String((char)1), "");
}
}
return result;
}
int Settings::GetInt(String key, int defaultValue) {
return Get(key, String(defaultValue)).toInt();
}
uint Settings::GetUInt(String key, uint defaultValue) {
return (uint)Get(key, String(defaultValue)).toInt();
}
bool Settings::GetBool(String key, bool defaultValue) {
return Get(key, defaultValue ? "true" : "false").equals("true");
}
byte Settings::GetByte(String key, byte defaultValue) {
return (byte)Get(key, (String)defaultValue).toInt();
}
float Settings::GetFloat(String key, float defaultValue) {
return Get(key, String(defaultValue)).toFloat();
}
void Settings::SaveCalibration(SensorData *data) {
if (m_criticalActionCallback) {
m_criticalActionCallback(true);
}
nvs_handle handle;
nvs_open("Cal", nvs_open_mode::NVS_READWRITE, &handle);
for (byte binGroupNr = 0; binGroupNr < BaseData.NrOfBinGroups; binGroupNr++) {
String key = "BGC" + String(binGroupNr);
String value = String(data->binGroup[binGroupNr].magThresh);
nvs_set_str(handle, key.c_str(), value.c_str());
nvs_commit(handle);
}
nvs_close(handle);
if (m_criticalActionCallback) {
m_criticalActionCallback(false);
}
}
void Settings::LoadCalibration(SensorData *data) {
if (m_criticalActionCallback) {
m_criticalActionCallback(true);
}
nvs_handle handle;
nvs_open("Cal", nvs_open_mode::NVS_READONLY, &handle);
for (byte binGroupNr = 0; binGroupNr < BaseData.NrOfBinGroups; binGroupNr++) {
char *str = new char[12];
size_t strl = 12;
String key = "BGC" + String(binGroupNr);
esp_err_t error = nvs_get_str(handle, key.c_str(), str, &strl);
float value = 1.0;
if (error == ESP_OK) {
value = String(str).toFloat();
}
data->binGroup[binGroupNr].magThresh = String(str).toInt();
delete str;
}
nvs_close(handle);
if (m_criticalActionCallback) {
m_criticalActionCallback(false);
}
}