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mhsw-espurna/code/espurna/utils.ino

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/*
UTILS MODULE
Copyright (C) 2017-2018 by Xose Pérez <xose dot perez at gmail dot com>
Module key prefix: esp (shared with others)
*/
#include <Ticker.h>
Ticker _defer_reset;
String getIdentifier() {
char buffer[20];
snprintf_P(buffer, sizeof(buffer), PSTR("%s-%06X"), APP_NAME, ESP.getChipId());
return String(buffer);
}
String getHostname() {
String hostname = getSetting("hostname");
if (hostname.length() == 0) {
if (strlen(HOSTNAME) > 0) {
setSetting("hostname", HOSTNAME);
} else {
setSetting("hostname", getIdentifier());
}
hostname = getSetting("hostname");
}
return hostname;
}
String getPassword() {
return getSetting("adminPass", ADMIN_PASS);
}
String getManufacturer() {
String device = getDevice();
uint8_t pos = device.indexOf("_");
if (pos > 0) return device.substring(0, pos);
return String();
}
String getBoardName() {
String device = getDevice();
uint8_t pos = device.indexOf("_");
if (pos > 0) return device.substring(pos+1);
return device;
}
String getDevice() {
return getSetting("device", "GENERIC_CUSTOM");
}
String getCoreVersion() {
String version = ESP.getCoreVersion();
#ifdef ARDUINO_ESP8266_RELEASE
if (version.equals("00000000")) {
version = String(ARDUINO_ESP8266_RELEASE);
}
#endif
version.replace("_", ".");
return version;
}
String getCoreRevision() {
#ifdef ARDUINO_ESP8266_GIT_VER
return String(ARDUINO_ESP8266_GIT_VER);
#else
return String("");
#endif
}
unsigned long maxSketchSpace() {
return (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
}
// WTF
// Calling ESP.getFreeHeap() is making the system crash on a specific
// AiLight bulb, but anywhere else...
unsigned int getFreeHeap() {
if (getSetting("wtfHeap", 0).toInt() == 1) return 9999;
return ESP.getFreeHeap();
}
String getEspurnaModules() {
return FPSTR(espurna_modules);
}
#if SENSOR_SUPPORT
String getEspurnaSensors() {
return FPSTR(espurna_sensors);
}
#endif
String buildTime() {
const char time_now[] = __TIME__; // hh:mm:ss
unsigned int hour = atoi(&time_now[0]);
unsigned int minute = atoi(&time_now[3]);
unsigned int second = atoi(&time_now[6]);
const char date_now[] = __DATE__; // Mmm dd yyyy
const char *months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
unsigned int month = 0;
for ( int i = 0; i < 12; i++ ) {
if (strncmp(date_now, months[i], 3) == 0 ) {
month = i + 1;
break;
}
}
unsigned int day = atoi(&date_now[3]);
unsigned int year = atoi(&date_now[7]);
char buffer[20];
snprintf_P(
buffer, sizeof(buffer), PSTR("%04d-%02d-%02d %02d:%02d:%02d"),
year, month, day, hour, minute, second
);
return String(buffer);
}
unsigned long getUptime() {
static unsigned long last_uptime = 0;
static unsigned char uptime_overflows = 0;
if (millis() < last_uptime) ++uptime_overflows;
last_uptime = millis();
unsigned long uptime_seconds = uptime_overflows * (UPTIME_OVERFLOW / 1000) + (last_uptime / 1000);
return uptime_seconds;
}
#if HEARTBEAT_ENABLED
void heartbeat() {
unsigned long uptime_seconds = getUptime();
unsigned int free_heap = getFreeHeap();
#if MQTT_SUPPORT
bool serial = !mqttConnected();
#else
bool serial = true;
#endif
// -------------------------------------------------------------------------
// Serial
// -------------------------------------------------------------------------
if (serial) {
DEBUG_MSG_P(PSTR("[MAIN] Uptime: %lu seconds\n"), uptime_seconds);
DEBUG_MSG_P(PSTR("[MAIN] Free heap: %lu bytes\n"), free_heap);
#if ADC_MODE_VALUE == ADC_VCC
DEBUG_MSG_P(PSTR("[MAIN] Power: %lu mV\n"), ESP.getVcc());
#endif
#if NTP_SUPPORT
if (ntpSynced()) DEBUG_MSG_P(PSTR("[MAIN] Time: %s\n"), (char *) ntpDateTime().c_str());
#endif
}
// -------------------------------------------------------------------------
// MQTT
// -------------------------------------------------------------------------
#if MQTT_SUPPORT
if (!serial) {
#if (HEARTBEAT_REPORT_INTERVAL)
mqttSend(MQTT_TOPIC_INTERVAL, HEARTBEAT_INTERVAL / 1000);
#endif
#if (HEARTBEAT_REPORT_APP)
mqttSend(MQTT_TOPIC_APP, APP_NAME);
#endif
#if (HEARTBEAT_REPORT_VERSION)
mqttSend(MQTT_TOPIC_VERSION, APP_VERSION);
#endif
#if (HEARTBEAT_REPORT_BOARD)
mqttSend(MQTT_TOPIC_BOARD, getBoardName().c_str());
#endif
#if (HEARTBEAT_REPORT_HOSTNAME)
mqttSend(MQTT_TOPIC_HOSTNAME, getHostname().c_str());
#endif
#if (HEARTBEAT_REPORT_IP)
mqttSend(MQTT_TOPIC_IP, getIP().c_str());
#endif
#if (HEARTBEAT_REPORT_MAC)
mqttSend(MQTT_TOPIC_MAC, WiFi.macAddress().c_str());
#endif
#if (HEARTBEAT_REPORT_RSSI)
mqttSend(MQTT_TOPIC_RSSI, String(WiFi.RSSI()).c_str());
#endif
#if (HEARTBEAT_REPORT_UPTIME)
mqttSend(MQTT_TOPIC_UPTIME, String(uptime_seconds).c_str());
#endif
#if (HEARTBEAT_REPORT_DATETIME) && (NTP_SUPPORT)
if (ntpSynced()) mqttSend(MQTT_TOPIC_DATETIME, ntpDateTime().c_str());
#endif
#if (HEARTBEAT_REPORT_FREEHEAP)
mqttSend(MQTT_TOPIC_FREEHEAP, String(free_heap).c_str());
#endif
#if (HEARTBEAT_REPORT_RELAY)
relayMQTT();
#endif
#if (LIGHT_PROVIDER != LIGHT_PROVIDER_NONE) & (HEARTBEAT_REPORT_LIGHT)
lightMQTT();
#endif
#if (HEARTBEAT_REPORT_VCC)
#if ADC_MODE_VALUE == ADC_VCC
mqttSend(MQTT_TOPIC_VCC, String(ESP.getVcc()).c_str());
#endif
#endif
#if (HEARTBEAT_REPORT_STATUS)
mqttSend(MQTT_TOPIC_STATUS, MQTT_STATUS_ONLINE, true);
#endif
#if (LOADAVG_REPORT)
mqttSend(MQTT_TOPIC_LOADAVG, String(systemLoadAverage()).c_str());
#endif
}
#endif
// -------------------------------------------------------------------------
// InfluxDB
// -------------------------------------------------------------------------
#if INFLUXDB_SUPPORT
#if (HEARTBEAT_REPORT_UPTIME)
idbSend(MQTT_TOPIC_UPTIME, String(uptime_seconds).c_str());
#endif
#if (HEARTBEAT_REPORT_FREEHEAP)
idbSend(MQTT_TOPIC_FREEHEAP, String(free_heap).c_str());
#endif
#endif
}
#endif /// HEARTBEAT_ENABLED
// -----------------------------------------------------------------------------
// INFO
// -----------------------------------------------------------------------------
extern "C" uint32_t _SPIFFS_start;
extern "C" uint32_t _SPIFFS_end;
unsigned int info_bytes2sectors(size_t size) {
return (int) (size + SPI_FLASH_SEC_SIZE - 1) / SPI_FLASH_SEC_SIZE;
}
unsigned long info_ota_space() {
return (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
}
unsigned long info_filesystem_space() {
return ((uint32_t)&_SPIFFS_end - (uint32_t)&_SPIFFS_start);
}
unsigned long info_eeprom_space() {
return EEPROMr.reserved() * SPI_FLASH_SEC_SIZE;
}
void _info_print_memory_layout_line(const char * name, unsigned long bytes, bool reset) {
static unsigned long index = 0;
if (reset) index = 0;
if (0 == bytes) return;
unsigned int _sectors = info_bytes2sectors(bytes);
DEBUG_MSG_P(PSTR("[INIT] %-20s: %8lu bytes / %4d sectors (%4d to %4d)\n"), name, bytes, _sectors, index, index + _sectors - 1);
index += _sectors;
}
void _info_print_memory_layout_line(const char * name, unsigned long bytes) {
_info_print_memory_layout_line(name, bytes, false);
}
void info() {
DEBUG_MSG_P(PSTR("\n\n"));
DEBUG_MSG_P(PSTR("[INIT] %s %s\n"), (char *) APP_NAME, (char *) APP_VERSION);
DEBUG_MSG_P(PSTR("[INIT] %s\n"), (char *) APP_AUTHOR);
DEBUG_MSG_P(PSTR("[INIT] %s\n\n"), (char *) APP_WEBSITE);
DEBUG_MSG_P(PSTR("[INIT] CPU chip ID: 0x%06X\n"), ESP.getChipId());
DEBUG_MSG_P(PSTR("[INIT] CPU frequency: %u MHz\n"), ESP.getCpuFreqMHz());
DEBUG_MSG_P(PSTR("[INIT] SDK version: %s\n"), ESP.getSdkVersion());
DEBUG_MSG_P(PSTR("[INIT] Core version: %s\n"), getCoreVersion().c_str());
DEBUG_MSG_P(PSTR("[INIT] Core revision: %s\n"), getCoreRevision().c_str());
DEBUG_MSG_P(PSTR("\n"));
// -------------------------------------------------------------------------
FlashMode_t mode = ESP.getFlashChipMode();
DEBUG_MSG_P(PSTR("[INIT] Flash chip ID: 0x%06X\n"), ESP.getFlashChipId());
DEBUG_MSG_P(PSTR("[INIT] Flash speed: %u Hz\n"), ESP.getFlashChipSpeed());
DEBUG_MSG_P(PSTR("[INIT] Flash mode: %s\n"), mode == FM_QIO ? "QIO" : mode == FM_QOUT ? "QOUT" : mode == FM_DIO ? "DIO" : mode == FM_DOUT ? "DOUT" : "UNKNOWN");
DEBUG_MSG_P(PSTR("\n"));
_info_print_memory_layout_line("Flash size (CHIP)", ESP.getFlashChipRealSize(), true);
_info_print_memory_layout_line("Flash size (SDK)", ESP.getFlashChipSize(), true);
_info_print_memory_layout_line("Reserved", 1 * SPI_FLASH_SEC_SIZE, true);
_info_print_memory_layout_line("Firmware size", ESP.getSketchSize());
_info_print_memory_layout_line("Max OTA size", info_ota_space());
_info_print_memory_layout_line("SPIFFS size", info_filesystem_space());
_info_print_memory_layout_line("EEPROM size", info_eeprom_space());
_info_print_memory_layout_line("Reserved", 4 * SPI_FLASH_SEC_SIZE);
DEBUG_MSG_P(PSTR("\n"));
DEBUG_MSG_P(PSTR("[INIT] EEPROM sectors: %s\n"), (char *) eepromSectors().c_str());
DEBUG_MSG_P(PSTR("\n"));
// -------------------------------------------------------------------------
#if SPIFFS_SUPPORT
FSInfo fs_info;
bool fs = SPIFFS.info(fs_info);
if (fs) {
DEBUG_MSG_P(PSTR("[INIT] SPIFFS total size: %8u bytes / %4d sectors\n"), fs_info.totalBytes, sectors(fs_info.totalBytes));
DEBUG_MSG_P(PSTR("[INIT] used size: %8u bytes\n"), fs_info.usedBytes);
DEBUG_MSG_P(PSTR("[INIT] block size: %8u bytes\n"), fs_info.blockSize);
DEBUG_MSG_P(PSTR("[INIT] page size: %8u bytes\n"), fs_info.pageSize);
DEBUG_MSG_P(PSTR("[INIT] max files: %8u\n"), fs_info.maxOpenFiles);
DEBUG_MSG_P(PSTR("[INIT] max length: %8u\n"), fs_info.maxPathLength);
} else {
DEBUG_MSG_P(PSTR("[INIT] No SPIFFS partition\n"));
}
DEBUG_MSG_P(PSTR("\n"));
#endif
// -------------------------------------------------------------------------
DEBUG_MSG_P(PSTR("[INIT] BOARD: %s\n"), getBoardName().c_str());
DEBUG_MSG_P(PSTR("[INIT] SUPPORT: %s\n"), getEspurnaModules().c_str());
#if SENSOR_SUPPORT
DEBUG_MSG_P(PSTR("[INIT] SENSORS: %s\n"), getEspurnaSensors().c_str());
#endif // SENSOR_SUPPORT
DEBUG_MSG_P(PSTR("[INIT] WEBUI IMAGE CODE: %u\n"), WEBUI_IMAGE);
DEBUG_MSG_P(PSTR("\n"));
// -------------------------------------------------------------------------
unsigned char reason = resetReason();
if (reason > 0) {
char buffer[32];
strcpy_P(buffer, custom_reset_string[reason-1]);
DEBUG_MSG_P(PSTR("[INIT] Last reset reason: %s\n"), buffer);
} else {
DEBUG_MSG_P(PSTR("[INIT] Last reset reason: %s\n"), (char *) ESP.getResetReason().c_str());
}
DEBUG_MSG_P(PSTR("[INIT] Settings size: %u bytes\n"), settingsSize());
DEBUG_MSG_P(PSTR("[INIT] Free heap: %u bytes\n"), getFreeHeap());
#if ADC_MODE_VALUE == ADC_VCC
DEBUG_MSG_P(PSTR("[INIT] Power: %u mV\n"), ESP.getVcc());
#endif
DEBUG_MSG_P(PSTR("[INIT] Power saving delay value: %lu ms\n"), systemLoopDelay());
#if SYSTEM_CHECK_ENABLED
if (!systemCheck()) DEBUG_MSG_P(PSTR("\n[INIT] Device is in SAFE MODE\n"));
#endif
DEBUG_MSG_P(PSTR("\n"));
}
// -----------------------------------------------------------------------------
// SSL
// -----------------------------------------------------------------------------
#if ASYNC_TCP_SSL_ENABLED
bool sslCheckFingerPrint(const char * fingerprint) {
return (strlen(fingerprint) == 59);
}
bool sslFingerPrintArray(const char * fingerprint, unsigned char * bytearray) {
// check length (20 2-character digits ':' or ' ' separated => 20*2+19 = 59)
if (!sslCheckFingerPrint(fingerprint)) return false;
// walk the fingerprint
for (unsigned int i=0; i<20; i++) {
bytearray[i] = strtol(fingerprint + 3*i, NULL, 16);
}
return true;
}
bool sslFingerPrintChar(const char * fingerprint, char * destination) {
// check length (20 2-character digits ':' or ' ' separated => 20*2+19 = 59)
if (!sslCheckFingerPrint(fingerprint)) return false;
// copy it
strncpy(destination, fingerprint, 59);
// walk the fingerprint replacing ':' for ' '
for (unsigned char i = 0; i<59; i++) {
if (destination[i] == ':') destination[i] = ' ';
}
return true;
}
#endif
// -----------------------------------------------------------------------------
// Reset
// -----------------------------------------------------------------------------
unsigned char resetReason() {
static unsigned char status = 255;
if (status == 255) {
status = EEPROMr.read(EEPROM_CUSTOM_RESET);
if (status > 0) resetReason(0);
if (status > CUSTOM_RESET_MAX) status = 0;
}
return status;
}
void resetReason(unsigned char reason) {
EEPROMr.write(EEPROM_CUSTOM_RESET, reason);
EEPROMr.commit();
}
void reset(unsigned char reason) {
resetReason(reason);
ESP.restart();
}
void deferredReset(unsigned long delay, unsigned char reason) {
_defer_reset.once_ms(delay, reset, reason);
}
// -----------------------------------------------------------------------------
char * ltrim(char * s) {
char *p = s;
while ((unsigned char) *p == ' ') ++p;
return p;
}
double roundTo(double num, unsigned char positions) {
double multiplier = 1;
while (positions-- > 0) multiplier *= 10;
return round(num * multiplier) / multiplier;
}
void nice_delay(unsigned long ms) {
unsigned long start = millis();
while (millis() - start < ms) delay(1);
}
// This method is called by the SDK to know where to connect the ADC
int __get_adc_mode() {
return (int) (ADC_MODE_VALUE);
}
bool isNumber(const char * s) {
unsigned char len = strlen(s);
bool decimal = false;
for (unsigned char i=0; i<len; i++) {
if (s[i] == '-') {
if (i>0) return false;
} else if (s[i] == '.') {
if (decimal) return false;
decimal = true;
} else if (!isdigit(s[i])) {
return false;
}
}
return true;
}