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prefs.cpp
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prefs.cpp
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// Management and storage of application configuration state
//
// s60sc 2022
# include "myConfig.h"
static fs::FS fp = SD_MMC; // or SPIFFS
static std::map<std::string, std::string> configs;
static Preferences prefs;
char* jsonBuff;
bool lampOn = false;
void controlLamp(bool lampVal) {
// switch lamp on / off
lampOn = lampVal;
digitalWrite(LAMP_PIN, lampVal);
}
static bool getNextKeyVal(char* keyName, char* keyVal) {
// return next key and value from config map on each call
static std::map<std::string, std::string>::iterator it = configs.begin();
if (it != configs.end()) {
strcpy(keyName, it->first.c_str());
strcpy(keyVal, it->second.c_str());
it++;
return true;
}
// end of map reached
it = configs.begin();
return false;
return true;
}
static bool updateConfigMap(const char* variable, const char* value) {
std::string thisKey(variable);
std::string thisVal(value);
if (configs.find(thisKey) != configs.end()) {
configs[thisKey] = thisVal;
return true;
}
LOG_DBG("Key %s not found", variable);
return false;
}
static bool retrieveConfigMap(const char* variable, char* value) {
std::string thisKey(variable);
std::string thisVal(value);
if (configs.find(thisKey) != configs.end()) {
strcpy(value, configs[thisKey].c_str());
return true;
}
LOG_WRN("Key %s not found", variable);
return false;
}
static void loadKeyVal(const std::string keyValPair) {
// extract a key value pair from input and load into configs map
if (keyValPair.length()) {
size_t colon = keyValPair.find(':');
if (colon != std::string::npos) {
configs[keyValPair.substr(0, colon)] =
keyValPair.substr(colon + 1, keyValPair.length());
} else LOG_ERR("Unable to parse <%s>, len %u", keyValPair.c_str(), keyValPair.length());
}
}
static void buildConfigJson() {
// populate first part of json string from config map
char* p = jsonBuff;
*p++ = '{';
for (const auto& elem : configs)
p += sprintf(p, "\"%s\":\"%s\",", elem.first.c_str(), elem.second.c_str());
*p++ = 0;
}
static void saveConfigMap() {
File file = fp.open(CONFIG_FILE_PATH, FILE_WRITE);
if (!file) LOG_ERR("Failed to save to configs file");
else {
for (const auto& elem : configs) {
file.write((uint8_t*)elem.first.c_str(), elem.first.length());
file.write((uint8_t*)":", 1);
file.write((uint8_t*)elem.second.c_str(), elem.second.length());
file.write((uint8_t*)"\n", 1);
}
file.close();
LOG_INF("Config file saved");
}
}
static void loadConfigMap() {
File file = fp.open(CONFIG_FILE_PATH, FILE_READ);
configs.erase(configs.begin(), configs.end());
esp_err_t res = ESP_OK;
std::string keyValPair;
// populate configs map from configs file
while (true) {
String kvPairStr = file.readStringUntil('\n');
keyValPair = std::regex_replace(kvPairStr.c_str(), std::regex("\\s+"), "");
if (!keyValPair.length()) break;
loadKeyVal(keyValPair);
}
file.close();
}
static bool savePrefs() {
// use preferences for passwords
if (!prefs.begin(APP_NAME, false)) {
LOG_ERR("Failed to save preferences");
return false;
}
prefs.putString("ftp_pass", ftp_pass);
prefs.putString("ST_pass", ST_Pass);
prefs.end();
return true;
}
static bool loadPrefs() {
// use preferences for passwords
if (!prefs.begin(APP_NAME, false)) {
savePrefs(); // if prefs do not yet exist
return false;
}
prefs.getString("ST_Pass", ST_Pass, MAX_PWD_LEN);
prefs.getString("ftp_pass", ftp_pass, MAX_PWD_LEN);
prefs.end();
return true;
}
esp_err_t updateStatus(const char* variable, const char* value) {
// called from controlHandler() to update app status from changes made on browser
// or from loadConfig() to update app status from stored preferences
esp_err_t res = ESP_OK;
int intVal = atoi(value);
sensor_t * s = esp_camera_sensor_get();
updateConfigMap(variable, value); // update config map
if(!strcmp(variable, "framesize")) {
if(s->pixformat == PIXFORMAT_JPEG) {
fsizePtr = intVal;
res = s->set_framesize(s, (framesize_t)fsizePtr);
}
}
else if(!strcmp(variable, "fps")) FPS = intVal;
else if(!strcmp(variable, "minf")) minSeconds = intVal;
else if(!strcmp(variable, "dbgVerbose")) {
dbgVerbose = (intVal) ? true : false;
Serial.setDebugOutput(dbgVerbose);
}
else if(!strcmp(variable, "logMode")) {
logMode = intVal;
if (!(logMode == 2 && WiFi.status() != WL_CONNECTED)) remote_log_init();
else logMode = 0;
}
else if(!strcmp(variable, "resetLog")) reset_log();
else if(!strcmp(variable, "updateFPS")) fsizePtr = intVal;
else if(!strcmp(variable, "stopStream")) stopPlaying();
else if(!strcmp(variable, "lamp")) controlLamp((bool)intVal);
else if(!strcmp(variable, "motion")) motionVal = intVal;
else if(!strcmp(variable, "enableMotion")){
//Turn on/off motion detection
useMotion = (intVal) ? true : false;
LOG_INF("%s motion detection", useMotion ? "Enabling" : "Disabling");
}
else if(!strcmp(variable, "timeLapseOn")) timeLapseOn = intVal;
else if(!strcmp(variable, "lswitch")) nightSwitch = intVal;
else if(!strcmp(variable, "aviOn")) aviOn = intVal;
else if(!strcmp(variable, "micGain")) micGain = intVal;
else if(!strcmp(variable, "autoUpload")) autoUpload = intVal;
else if(!strcmp(variable, "upload")) ftpFileOrFolder(value);
else if(!strcmp(variable, "uploadMove")) {
ftpFileOrFolder(value);
deleteFolderOrFile(value);
}
else if(!strcmp(variable, "delete")) {
stopPlayback = true;
deleteFolderOrFile(value);
}
else if(!strcmp(variable, "record")) doRecording = (intVal) ? true : false;
else if(!strcmp(variable, "forceRecord")) forceRecord = (intVal) ? true : false;
else if(!strcmp(variable, "dbgMotion")) {
dbgMotion = (intVal) ? true : false;
doRecording = !dbgMotion;
}
else if(!strcmp(variable, "reset")) doRestart();
else if(!strcmp(variable, "save")) {
saveConfigMap();
savePrefs();
}
//Other settings
else if(!strcmp(variable, "clockUTC")) syncToBrowser(value);
else if(!strcmp(variable, "timezone")) strcpy(timezone,value);
else if(!strcmp(variable, "hostName")) strcpy(hostName, value);
else if(!strcmp(variable, "ST_SSID")) strcpy(ST_SSID, value);
else if(!strcmp(variable, "ST_Pass")) strcpy(ST_Pass, value);
else if(!strcmp(variable, "ftp_server")) strcpy(ftp_server, value);
else if(!strcmp(variable, "ftp_port")) strcpy(ftp_port, value);
else if(!strcmp(variable, "ftp_user")) strcpy(ftp_user, value);
else if(!strcmp(variable, "ftp_pass")) strcpy(ftp_pass, value);
else if(!strcmp(variable, "ftp_wd")) strcpy(ftp_wd, value);
else if(!strcmp(variable, "quality")) res = s->set_quality(s, intVal);
else if(!strcmp(variable, "contrast")) res = s->set_contrast(s, intVal);
else if(!strcmp(variable, "brightness")) res = s->set_brightness(s, intVal);
else if(!strcmp(variable, "saturation")) res = s->set_saturation(s, intVal);
else if(!strcmp(variable, "gainceiling")) res = s->set_gainceiling(s, (gainceiling_t)intVal);
else if(!strcmp(variable, "colorbar")) res = s->set_colorbar(s, intVal);
else if(!strcmp(variable, "awb")) res = s->set_whitebal(s, intVal);
else if(!strcmp(variable, "agc")) res = s->set_gain_ctrl(s, intVal);
else if(!strcmp(variable, "aec")) res = s->set_exposure_ctrl(s, intVal);
else if(!strcmp(variable, "hmirror")) res = s->set_hmirror(s, intVal);
else if(!strcmp(variable, "vflip")) res = s->set_vflip(s, intVal);
else if(!strcmp(variable, "awb_gain")) res = s->set_awb_gain(s, intVal);
else if(!strcmp(variable, "agc_gain")) res = s->set_agc_gain(s, intVal);
else if(!strcmp(variable, "aec_value")) res = s->set_aec_value(s, intVal);
else if(!strcmp(variable, "aec2")) res = s->set_aec2(s, intVal);
else if(!strcmp(variable, "dcw")) res = s->set_dcw(s, intVal);
else if(!strcmp(variable, "bpc")) res = s->set_bpc(s, intVal);
else if(!strcmp(variable, "wpc")) res = s->set_wpc(s, intVal);
else if(!strcmp(variable, "raw_gma")) res = s->set_raw_gma(s, intVal);
else if(!strcmp(variable, "lenc")) res = s->set_lenc(s, intVal);
else if(!strcmp(variable, "special_effect")) res = s->set_special_effect(s, intVal);
else if(!strcmp(variable, "wb_mode")) res = s->set_wb_mode(s, intVal);
else if(!strcmp(variable, "ae_level")) res = s->set_ae_level(s, intVal);
else res = ESP_FAIL;
return res;
}
void buildJsonString(bool quick) {
// called from statusHandler() to build json string with current status to return to browser
updateConfigMap("fps", String(setFPS(0)).c_str()); // value related to requested framesize
char* p = jsonBuff;
if (quick) *p++ = '{';
else {
buildConfigJson(); // build initial string from configuration map
p+= strlen(jsonBuff);
}
p += sprintf(p, "\"llevel\":%u,", lightLevel);
p += sprintf(p, "\"night\":%s,", nightTime ? "\"Yes\"" : "\"No\"");
float aTemp = readDS18B20temp(true);
if (aTemp > -127.0) p += sprintf(p, "\"atemp\":\"%0.1f\",", aTemp);
else p += sprintf(p, "\"atemp\":\"n/a\",");
float battV = battVoltage();
if (battV < 0) p += sprintf(p, "\"battv\":\"n/a\",");
else p += sprintf(p, "\"battv\":\"%0.1fV\",", battV);
p += sprintf(p, "\"isrecord\":%s,", isCapturing ? "\"Yes\"" : "\"No\"");
p += sprintf(p, "\"forceRecord\":%u,", forceRecord ? 1 : 0);
//Other settings
struct timeval tv;
gettimeofday(&tv, NULL);
time_t currEpoch = tv.tv_sec;
char timeBuff[20];
strftime(timeBuff, 20, "%Y-%m-%d %H:%M:%S", localtime(&currEpoch));
p += sprintf(p, "\"clock\":\"%s\",", timeBuff);
strftime(timeBuff, 20, "%Y-%m-%d %H:%M:%S", gmtime(&currEpoch));
p += sprintf(p, "\"clockUTC\":\"%s\",", timeBuff);
getUpTime(timeBuff);
// Extend info
uint8_t cardType = SD_MMC.cardType();
if (cardType == CARD_NONE) p += sprintf(p, "\"card\":\"%s\",", "NO card");
else {
if (!quick) {
if (cardType == CARD_MMC) p += sprintf(p, "\"card\":\"%s\",", "MMC");
else if (cardType == CARD_SD) p += sprintf(p, "\"card\":\"%s\",", "SDSC");
else if (cardType == CARD_SDHC) p += sprintf(p, "\"card\":\"%s\",", "SDHC");
}
uint64_t cardSize = SD_MMC.cardSize() / ONEMEG;
uint64_t totBytes = SD_MMC.totalBytes() / ONEMEG;
uint64_t useBytes = SD_MMC.usedBytes() / ONEMEG;
p += sprintf(p, "\"card_size\":\"%llu MB\",", cardSize);
p += sprintf(p, "\"used_bytes\":\"%llu MB\",", useBytes);
p += sprintf(p, "\"free_bytes\":\"%llu MB\",", totBytes - useBytes);
p += sprintf(p, "\"total_bytes\":\"%llu MB\",", totBytes);
}
p += sprintf(p, "\"up_time\":\"%s\",", timeBuff);
p += sprintf(p, "\"free_heap\":\"%u KB\",", (ESP.getFreeHeap() / 1024));
p += sprintf(p, "\"wifi_rssi\":\"%i dBm\",", WiFi.RSSI() );
if (quick) p--; // lose final comma
//p += sprintf(p, "\"vcc\":\"%i V\",", ESP.getVcc() / 1023.0F; );
else {
p += sprintf(p, "\"ST_Pass\":\"<hidden>\",");
p += sprintf(p, "\"ftp_pass\":\"<hidden>\",");
p += sprintf(p, "\"sfile\":%s,", "\"None\"");
p += sprintf(p, "\"fw_version\":\"%s\"", APP_VER);
}
*p++ = '}';
*p++ = 0;
}
bool loadConfig() {
// called on startup
LOG_INF("Loading config..");
jsonBuff = (char*)ps_malloc(JSON_BUFF_LEN);
loadPrefs();
loadConfigMap();
// set default hostname if config is null
AP_SSID.toUpperCase();
retrieveConfigMap("hostName", hostName);
if (!strcmp(hostName, "null")) {
strcpy(hostName, AP_SSID.c_str());
updateStatus("hostName", hostName);
}
// use wifi defaults if config is null
retrieveConfigMap("ST_SSID", jsonBuff);
if (!strcmp(jsonBuff, "null")) {
updateConfigMap("ST_SSID", ST_SSID);
updateConfigMap("ST_ip", ST_ip);
updateConfigMap("ST_gw", ST_gw);
updateConfigMap("ST_sn", ST_sn);
updateConfigMap("ST_ns1", ST_ns1);
updateConfigMap("ST_ns1", ST_ns2);
}
// load variables from stored config map
char variable[32] = {0,};
char value[FILE_NAME_LEN] = {0,};
while(getNextKeyVal(variable, value)) updateStatus(variable, value);
if (strlen(ST_SSID)) LOG_INF("Using ssid: %s%s %s", ST_SSID, !strlen(ST_ip) ? " " : " with static ip ", ST_ip);
return true;
}