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appSpecific.cpp
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appSpecific.cpp
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// mjpeg2sd app specific functions
//
// Direct access URLs:
// - Network streaming: app_ip/sustain?stream=1
// - Stills: app_ip/control?still=1
//
// s60sc 2022, 2023
#include "appGlobals.h"
static char variable[FILE_NAME_LEN];
static char value[FILE_NAME_LEN];
static char alertCaption[100];
static bool alertReady = false;
static bool doGetExtIP = false;
/************************ webServer callbacks *************************/
bool updateAppStatus(const char* variable, const char* value) {
// update vars from browser input
esp_err_t res = ESP_OK;
sensor_t* s = esp_camera_sensor_get();
int intVal = atoi(value);
float fltVal = atof(value);
if (!strcmp(variable, "custom")) return res;
else if (!strcmp(variable, "stopStream")) stopSustainTask(intVal);
else if (!strcmp(variable, "stopPlaying")) stopPlaying();
else if (!strcmp(variable, "minf")) minSeconds = intVal;
else if (!strcmp(variable, "motionVal")) motionVal = intVal;
else if (!strcmp(variable, "moveStartChecks")) moveStartChecks = intVal;
else if (!strcmp(variable, "moveStopSecs")) moveStopSecs = intVal;
else if (!strcmp(variable, "maxFrames")) maxFrames = intVal;
else if (!strcmp(variable, "detectMotionFrames")) detectMotionFrames = intVal;
else if (!strcmp(variable, "detectNightFrames")) detectNightFrames = intVal;
else if (!strcmp(variable, "detectNumBands")) detectNumBands = intVal;
else if (!strcmp(variable, "detectStartBand")) detectStartBand = intVal;
else if (!strcmp(variable, "detectEndBand")) detectEndBand = intVal;
else if (!strcmp(variable, "detectChangeThreshold")) detectChangeThreshold = 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, "tlSecsBetweenFrames")) tlSecsBetweenFrames = intVal;
else if (!strcmp(variable, "tlDurationMins")) tlDurationMins = intVal;
else if (!strcmp(variable, "tlPlaybackFPS")) tlPlaybackFPS = intVal;
else if (!strcmp(variable, "nvrStream")) nvrStream = (bool)intVal;
else if (!strcmp(variable, "lswitch")) nightSwitch = intVal;
else if (!strcmp(variable, "micGain")) micGain = intVal;
else if (!strcmp(variable, "upload")) ftpFileOrFolder(value);
else if (!strcmp(variable, "whichExt")) whichExt = (bool)intVal;
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")) {
// only enable show motion if motion detect enabled
dbgMotion = (intVal && useMotion) ? true : false;
doRecording = !dbgMotion;
}
// peripherals
else if (!strcmp(variable, "useIOextender")) useIOextender = (bool)intVal;
else if (!strcmp(variable, "uartTxdPin")) uartTxdPin = intVal;
else if (!strcmp(variable, "uartRxdPin")) uartRxdPin = intVal;
else if (!strcmp(variable, "pirUse")) pirUse = (bool)intVal;
else if (!strcmp(variable, "lampLevel")) {
lampLevel = intVal;
if (!lampType) setLamp(lampLevel); // manual
}
else if (!strcmp(variable, "lampUse")) {
lampUse = (bool)intVal;
if (!lampType) setLamp(lampLevel); // manual
}
else if (!strcmp(variable, "lampType")) {
lampType = intVal;
lampAuto = lampNight = false;
if (lampType == 1) lampAuto = true;
if (!lampType) setLamp(lampLevel); // manual
else setLamp(0);
}
else if (!strcmp(variable, "servoUse")) servoUse = (bool)intVal;
else if (!strcmp(variable, "voltUse")) voltUse = (bool)intVal;
else if (!strcmp(variable, "micUse")) micUse = (bool)intVal;
else if (!strcmp(variable, "pirPin")) pirPin = intVal;
else if (!strcmp(variable, "lampPin")) lampPin = intVal;
else if (!strcmp(variable, "servoPanPin")) servoPanPin = intVal;
else if (!strcmp(variable, "servoTiltPin")) servoTiltPin = intVal;
else if (!strcmp(variable, "ds18b20Pin")) ds18b20Pin = intVal;
else if (!strcmp(variable, "voltPin")) voltPin = intVal;
else if (!strcmp(variable, "micSckPin")) micSckPin = intVal;
else if (!strcmp(variable, "micSWsPin")) micSWsPin = intVal;
else if (!strcmp(variable, "micSdPin")) micSdPin = intVal;
else if (!strcmp(variable, "servoDelay")) servoDelay = intVal;
else if (!strcmp(variable, "servoMinAngle")) servoMinAngle = intVal;
else if (!strcmp(variable, "servoMaxAngle")) servoMaxAngle = intVal;
else if (!strcmp(variable, "servoMinPulseWidth")) servoMinPulseWidth = intVal;
else if (!strcmp(variable, "servoMaxPulseWidth")) servoMaxPulseWidth = intVal;
else if (!strcmp(variable, "servoCenter")) servoCenter = intVal;
else if (!strcmp(variable, "voltDivider")) voltDivider = intVal;
else if (!strcmp(variable, "voltLow")) voltLow = fltVal;
else if (!strcmp(variable, "voltInterval")) voltInterval = intVal;
else if (!strcmp(variable, "camPan")) setCamPan(intVal);
else if (!strcmp(variable, "camTilt")) setCamTilt(intVal);
else if (!strcmp(variable, "wakeUse")) wakeUse = (bool)intVal;
else if (!strcmp(variable, "wakePin")) wakePin = intVal;
else if (!strcmp(variable, "teleUse")) teleUse = (bool)intVal;
else if (!strcmp(variable, "teleInterval")) teleInterval = intVal;
else if (!strcmp(variable, "RCactive")) RCactive = (bool)intVal;
else if (!strcmp(variable, "servoSteerPin")) servoSteerPin = intVal;
else if (!strcmp(variable, "motorRevPin")) motorRevPin = intVal;
else if (!strcmp(variable, "motorFwdPin")) motorFwdPin = intVal;
else if (!strcmp(variable, "lightsRCpin")) lightsRCpin = intVal;
else if (!strcmp(variable, "pwmFreq")) pwmFreq = intVal;
else if (!strcmp(variable, "RClights")) setLights((bool)intVal);
else if (!strcmp(variable, "maxSteerAngle")) maxSteerAngle = intVal;
else if (!strcmp(variable, "maxDutyCycle")) maxDutyCycle = intVal;
else if (!strcmp(variable, "minDutyCycle")) minDutyCycle = intVal;
else if (!strcmp(variable, "allowReverse")) allowReverse = (bool)intVal;
else if (!strcmp(variable, "autoControl")) autoControl = (bool)intVal;
else if (!strcmp(variable, "waitTime")) waitTime = intVal;
else if (!strcmp(variable, "stickUse")) stickUse = (bool)intVal;
else if (!strcmp(variable, "stickXpin")) stickXpin = intVal;
else if (!strcmp(variable, "stickYpin")) stickYpin = intVal;
else if (!strcmp(variable, "stickzPushPin")) stickzPushPin = intVal;
// camera settings
else if (!strcmp(variable, "xclkMhz")) xclkMhz = intVal;
else if (!strcmp(variable, "framesize")) {
fsizePtr = intVal;
if (s) {
if (s->set_framesize(s, (framesize_t)fsizePtr) != ESP_OK) res = false;
// update default FPS for this frame size
if (playbackHandle != NULL) {
setFPSlookup(fsizePtr);
updateConfigVect("fps", String(FPS).c_str());
}
}
}
else if (!strcmp(variable, "fps")) {
FPS = intVal;
if (playbackHandle != NULL) setFPS(FPS);
}
else if (s) {
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, "denoise")) res = s->set_denoise(s, intVal);
else if (!strcmp(variable, "sharpness")) res = s->set_sharpness(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 == ESP_OK ? true : false;
}
static bool extractKeyVal(const char* wsMsg) {
// extract key
strncpy(variable, wsMsg, FILE_NAME_LEN - 1);
char* endPtr = strchr(variable, '=');
if (endPtr != NULL) {
*endPtr = 0; // split variable into 2 strings, first is key name
strcpy(value, variable + strlen(variable) + 1); // value is now second part of string
return true;
} else LOG_ERR("Invalid query string: %s", wsMsg);
return false;
}
esp_err_t appSpecificWebHandler(httpd_req_t *req, const char* variable, const char* value) {
// update handling requiring response specific to mjpeg2sd
if (!strcmp(variable, "sfile")) {
// get folders / files on SD, save received filename if has required extension
strcpy(inFileName, value);
if (!forceRecord) doPlayback = listDir(inFileName, jsonBuff, JSON_BUFF_LEN, AVI_EXT); // browser control
else strcpy(jsonBuff, "{}");
httpd_resp_set_type(req, "application/json");
httpd_resp_sendstr(req, jsonBuff);
}
else if (!strcmp(variable, "updateFPS")) {
// requires response with updated default fps
sprintf(jsonBuff, "{\"fps\":\"%u\"}", setFPSlookup(fsizePtr));
httpd_resp_set_type(req, "application/json");
httpd_resp_sendstr(req, jsonBuff);
}
else if (!strcmp(variable, "still")) {
// send single jpeg to browser
uint32_t startTime = millis();
doKeepFrame = true;
while (doKeepFrame && millis() - startTime < MAX_FRAME_WAIT) delay(100);
if (!doKeepFrame && alertBufferSize) {
httpd_resp_set_type(req, "image/jpeg");
httpd_resp_set_hdr(req, "Content-Disposition", "inline; filename=capture.jpg");
httpd_resp_send(req, (const char*)alertBuffer, alertBufferSize);
uint32_t jpegTime = millis() - startTime;
LOG_INF("JPEG: %uB in %ums", alertBufferSize, jpegTime);
alertBufferSize = 0;
} else LOG_ERR("Failed to get still");
}
return ESP_OK;
}
void appSpecificWsHandler(const char* wsMsg) {
// message from web socket
int wsLen = strlen(wsMsg) - 1;
int controlVal = atoi(wsMsg + 1); // skip first char
switch ((char)wsMsg[0]) {
case 'M':
motorSpeed(controlVal);
break;
case 'D':
setSteering(controlVal);
break;
case 'C':
// control request
if (extractKeyVal(wsMsg + 1)) updateStatus(variable, value);
break;
case 'H':
// keepalive heartbeat, return status
break;
case 'S':
// status request
buildJsonString(wsLen); // required config number
logPrint("%s\n", jsonBuff);
break;
case 'U':
// update or control request
memcpy(jsonBuff, wsMsg + 1, wsLen); // remove 'U'
parseJson(wsLen);
break;
case 'K':
// kill websocket connection
killWebSocket();
break;
default:
LOG_WRN("unknown command %c", (char)wsMsg[0]);
break;
}
}
void buildAppJsonString(bool filter) {
// build app specific part of json string
char* p = jsonBuff + 1;
p += sprintf(p, "\"llevel\":%u,", lightLevel);
p += sprintf(p, "\"night\":%s,", nightTime ? "\"Yes\"" : "\"No\"");
float aTemp = readTemperature(true);
if (aTemp > -127.0) p += sprintf(p, "\"atemp\":\"%0.1f\",", aTemp);
else p += sprintf(p, "\"atemp\":\"n/a\",");
float currentVoltage = readVoltage();
if (currentVoltage < 0) p += sprintf(p, "\"battv\":\"n/a\",");
else p += sprintf(p, "\"battv\":\"%0.1fV\",", currentVoltage);
if (forcePlayback && !doPlayback) {
// switch off playback
forcePlayback = false;
p += sprintf(p, "\"forcePlayback\":0,");
}
p += sprintf(p, "\"showRecord\":%u,", (uint8_t)((isCapturing && doRecording) || forceRecord));
p += sprintf(p, "\"camModel\":\"%s\",", camModel);
p += sprintf(p, "\"RCactive\":\"%d\",", RCactive);
p += sprintf(p, "\"maxSteerAngle\":\"%d\",", maxSteerAngle);
p += sprintf(p, "\"maxDutyCycle\":\"%d\",", maxDutyCycle);
p += sprintf(p, "\"minDutyCycle\":\"%d\",", minDutyCycle);
p += sprintf(p, "\"allowReverse\":\"%d\",", allowReverse);
p += sprintf(p, "\"autoControl\":\"%d\",", autoControl);
p += sprintf(p, "\"waitTime\":\"%d\",", waitTime);
p += sprintf(p, "\"sustainId\":\"%u\",", sustainId);
// Extend info
uint8_t cardType = SD_MMC.cardType();
if (cardType == CARD_NONE) p += sprintf(p, "\"card\":\"%s\",", "NO card");
else {
if (!filter) {
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");
}
p += sprintf(p, "\"card_size\":\"%s\",", fmtSize(SD_MMC.cardSize()));
p += sprintf(p, "\"used_bytes\":\"%s\",", fmtSize(SD_MMC.usedBytes()));
p += sprintf(p, "\"free_bytes\":\"%s\",", fmtSize(SD_MMC.totalBytes() - SD_MMC.usedBytes()));
p += sprintf(p, "\"total_bytes\":\"%s\",", fmtSize(SD_MMC.totalBytes()));
}
p += sprintf(p, "\"free_psram\":\"%s\",", fmtSize(ESP.getFreePsram()));
p += sprintf(p, "\"progressBar\":%d,", percentLoaded);
if (percentLoaded == 100) percentLoaded = 0;
//p += sprintf(p, "\"vcc\":\"%i V\",", ESP.getVcc() / 1023.0F; );
*p = 0;
}
/******************************************************************/
void externalAlert(const char* subject, const char* message) {
// alert any configured external servers
if (tgramUse) tgramAlert(subject, message);
if (smtpUse) emailAlert(subject, message);
}
bool appDataFiles() {
// callback from setupAssist.cpp, for any app specific files
return true;
}
void currentStackUsage() {
checkStackUse(captureHandle, 0);
checkStackUse(DS18B20handle, 1);
checkStackUse(emailHandle, 2);
checkStackUse(ftpHandle, 3);
checkStackUse(logHandle, 4);
checkStackUse(micHandle, 5);
checkStackUse(mqttTaskHandle, 6);
// 7: pingtask
checkStackUse(playbackHandle, 8);
checkStackUse(servoHandle, 9);
checkStackUse(stickHandle, 10);
checkStackUse(telegramHandle, 11);
checkStackUse(telemetryHandle, 12);
checkStackUse(uartClientHandle, 13);
// 14: http webserver
for (int i=0; i < numStreams; i++) checkStackUse(sustainHandle[i], 15 + i);
}
void doAppPing() {
if (DEBUG_MEM) {
currentStackUsage();
checkMemory();
}
if (checkAlarm()) {
if (tgramUse) doGetExtIP = true;
else getExtIP();
if (smtpUse) {
emailCount = 0;
LOG_INF("Reset daily email allowance");
}
LOG_INF("Daily rollover");
}
doIOExtPing();
// check for night time actions
if (isNight(nightSwitch)) {
if (wakeUse && wakePin) {
// to use LDR on wake pin, connect it between pin and 3V3
// uses internal pulldown resistor as voltage divider
// but may need to add external pull down between pin
// and GND to alter required light level for wakeup
digitalWrite(PWDN_GPIO_NUM, 1); // power down camera
goToSleep(wakePin, true);
}
}
}
/************** telegram app specific **************/
void tgramAlert(const char* subject, const char* message) {
// send motion alert to Telegram
const char* pos1 = strchr(subject + 1, '/'); // extract filename
const char* pos2 = strrchr(subject + 1, '.'); // remove extension
// make filename into command
if (pos1 != NULL && pos2 != NULL) {
strncpy(alertCaption, pos1, pos2 - pos1);
alertCaption[pos2 - pos1] = 0;
strcat(alertCaption, " from ");
strncat(alertCaption, hostName, sizeof(alertCaption) - strlen(alertCaption) - 1);
if (alertBufferSize) alertReady = true; // return image
} else LOG_ERR("Unable to send motion alert");
}
static bool downloadAvi(const char* userCmd) {
char* pos = strchr(userCmd, '_'); // if contains '_', assume filename
if (pos != NULL) {
// add folder name and avi extension to incoming file name
char fileName[FILE_NAME_LEN];
strncpy(fileName, userCmd, FILE_NAME_LEN - 1);
pos = strchr(fileName, '_');
memmove(pos, fileName, sizeof(fileName) - (pos - fileName));
strncat(fileName, ".avi", sizeof(fileName - 1) - strlen(fileName));
if (STORAGE.exists(fileName)) sendTgramFile(fileName, "image/jpeg", "");
else sendTgramMessage("AVI file not found: ", fileName, "");
}
return (bool)pos;
}
void appSpecificTelegramTask(void* p) {
// process Telegram interactions
snprintf(tgramHdr, FILE_NAME_LEN - 1, "%s\n Ver: " APP_VER "\n\n/snap", hostName);
sendTgramMessage("Rebooted", "", "");
char userCmd[FILE_NAME_LEN];
doGetExtIP = true;
while (true) {
// service requests from Telegram
if (getTgramUpdate(userCmd)) {
if (!strcmp(userCmd, "/snap")) {
doKeepFrame = true;
delay(1000); // time to get frame
sprintf(userCmd, "/snap from %s", hostName);
sendTgramPhoto(alertBuffer, alertBufferSize, userCmd);
} else {
// initially assume it is an avi file download request
if (!downloadAvi(userCmd)) sendTgramMessage("Request not recognised: ", userCmd, "");
}
} else {
// send out any outgoing alerts from app
if (alertReady) {
alertReady = false;
sendTgramPhoto(alertBuffer, alertBufferSize, alertCaption);
alertBufferSize = 0;
} else if (doGetExtIP) {
// called here to save stack space
getExtIP();
doGetExtIP = false;
} else delay(2000); // avoid thrashing
}
}
vTaskDelete(NULL);
}