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163 lines
3.9 KiB
163 lines
3.9 KiB
/*
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SETTINGS MODULE
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Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#include "Embedis.h"
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#include <EEPROM.h>
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#include "spi_flash.h"
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#include <StreamString.h>
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#define AUTO_SAVE 1
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Embedis embedis(Serial);
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// -----------------------------------------------------------------------------
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// Settings
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// -----------------------------------------------------------------------------
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unsigned long settingsSize() {
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unsigned pos = SPI_FLASH_SEC_SIZE - 1;
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while (size_t len = EEPROM.read(pos)) {
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pos = pos - len - 2;
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}
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return SPI_FLASH_SEC_SIZE - pos;
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}
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unsigned int settingsKeyCount() {
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unsigned count = 0;
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unsigned pos = SPI_FLASH_SEC_SIZE - 1;
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while (size_t len = EEPROM.read(pos)) {
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pos = pos - len - 2;
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count ++;
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}
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return count / 2;
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}
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String settingsKeyName(unsigned int index) {
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String s;
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unsigned count = 0;
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unsigned stop = index * 2 + 1;
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unsigned pos = SPI_FLASH_SEC_SIZE - 1;
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while (size_t len = EEPROM.read(pos)) {
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pos = pos - len - 2;
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count++;
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if (count == stop) {
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s.reserve(len);
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for (unsigned char i = 0 ; i < len; i++) {
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s += (char) EEPROM.read(pos + i + 1);
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}
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break;
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}
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}
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return s;
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}
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void settingsSetup() {
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EEPROM.begin(SPI_FLASH_SEC_SIZE);
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Embedis::dictionary( F("EEPROM"),
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SPI_FLASH_SEC_SIZE,
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[](size_t pos) -> char { return EEPROM.read(pos); },
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[](size_t pos, char value) { EEPROM.write(pos, value); },
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#if AUTO_SAVE
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[]() { EEPROM.commit(); }
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#else
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[]() {}
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#endif
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);
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Embedis::hardware( F("WIFI"), [](Embedis* e) {
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StreamString s;
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WiFi.printDiag(s);
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e->response(s);
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}, 0);
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Embedis::command( F("RECONNECT"), [](Embedis* e) {
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wifiConfigure();
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wifiDisconnect();
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e->response(Embedis::OK);
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});
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Embedis::command( F("RESET"), [](Embedis* e) {
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e->response(Embedis::OK);
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ESP.reset();
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});
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Embedis::command( F("STATUS"), [](Embedis* e) {
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Serial.printf("Free heap: %d bytes\n", ESP.getFreeHeap());
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e->response(Embedis::OK);
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});
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Embedis::command( F("EEPROM.DUMP"), [](Embedis* e) {
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for (unsigned int i = 0; i < SPI_FLASH_SEC_SIZE; i++) {
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if (i % 16 == 0) Serial.printf("\n[%04X] ", i);
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Serial.printf("%02X ", EEPROM.read(i));
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}
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Serial.printf("\n");
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e->response(Embedis::OK);
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});
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Embedis::command( F("EEPROM.ERASE"), [](Embedis* e) {
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for (unsigned int i = 0; i < SPI_FLASH_SEC_SIZE; i++) {
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EEPROM.write(i, 0xFF);
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}
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EEPROM.commit();
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e->response(Embedis::OK);
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});
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Embedis::command( F("SETTINGS.SIZE"), [](Embedis* e) {
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e->response(String(settingsSize()));
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});
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Embedis::command( F("DUMP"), [](Embedis* e) {
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unsigned int size = settingsKeyCount();
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for (unsigned int i=0; i<size; i++) {
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String key = settingsKeyName(i);
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String value = getSetting(key);
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e->stream->printf("+%s => %s\n", key.c_str(), value.c_str());
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}
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e->response(Embedis::OK);
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});
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DEBUG_MSG("[SETTINGS] EEPROM size: %d bytes\n", SPI_FLASH_SEC_SIZE);
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DEBUG_MSG("[SETTINGS] Settings size: %d bytes\n", settingsSize());
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}
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void settingsLoop() {
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embedis.process();
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}
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template<typename T> String getSetting(const String& key, T defaultValue) {
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String value;
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if (!Embedis::get(key, value)) value = String(defaultValue);
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return value;
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}
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String getSetting(const String& key) {
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return getSetting(key, "");
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}
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template<typename T> bool setSetting(const String& key, T value) {
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return Embedis::set(key, String(value));
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}
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bool delSetting(const String& key) {
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return Embedis::del(key);
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}
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void saveSettings() {
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DEBUG_MSG("[SETTINGS] Saving\n");
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#if not AUTO_SAVE
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EEPROM.commit();
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#endif
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}
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