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Created July 9, 2021 17:37
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/*********
Rui Santos
Complete instructions at https://RandomNerdTutorials.com/esp32-cam-projects-ebook/
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files.
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*********/
#include "esp_camera.h"
#include "SPI.h"
#include "driver/rtc_io.h"
#include <ESP_Mail_Client.h>
#include <FS.h>
#include <SPIFFS.h>
#include <WiFi.h>
// REPLACE WITH YOUR NETWORK CREDENTIALS
const char* ssid = "";
const char* password = "";
// To send Email using Gmail use port 465 (SSL) and SMTP Server smtp.gmail.com
// YOU MUST ENABLE less secure app option https://myaccount.google.com/lesssecureapps?pli=1
#define emailSenderAccount ""
#define emailSenderPassword ""
#define smtpServer "smtp.gmail.com"
#define smtpServerPort 465
#define emailSubject "ESP32-CAM Photo Captured"
#define emailRecipient ""
#define CAMERA_MODEL_AI_THINKER
#if defined(CAMERA_MODEL_AI_THINKER)
#define PWDN_GPIO_NUM 32
#define RESET_GPIO_NUM -1
#define XCLK_GPIO_NUM 0
#define SIOD_GPIO_NUM 26
#define SIOC_GPIO_NUM 27
#define Y9_GPIO_NUM 35
#define Y8_GPIO_NUM 34
#define Y7_GPIO_NUM 39
#define Y6_GPIO_NUM 36
#define Y5_GPIO_NUM 21
#define Y4_GPIO_NUM 19
#define Y3_GPIO_NUM 18
#define Y2_GPIO_NUM 5
#define VSYNC_GPIO_NUM 25
#define HREF_GPIO_NUM 23
#define PCLK_GPIO_NUM 22
#else
#error "Camera model not selected"
#endif
// The Email Sending data object contains config and data to send
SMTPSession smtp;
/* Callback function to get the Email sending status */
void smtpCallback(SMTP_Status status);
// Photo File Name to save in SPIFFS
String filePhoto = "photo.jpg";
String filePath = "/photo.jpg";
void setup() {
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable brownout detector
Serial.begin(115200);
Serial.println();
// Connect to Wi-Fi
WiFi.begin(ssid, password);
Serial.print("Connecting to WiFi...");
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println();
if (!SPIFFS.begin(true)) {
Serial.println("An Error has occurred while mounting SPIFFS");
ESP.restart();
}
else {
delay(500);
Serial.println("SPIFFS mounted successfully");
}
// Print ESP32 Local IP Address
Serial.print("IP Address: http://");
Serial.println(WiFi.localIP());
camera_config_t config;
config.ledc_channel = LEDC_CHANNEL_0;
config.ledc_timer = LEDC_TIMER_0;
config.pin_d0 = Y2_GPIO_NUM;
config.pin_d1 = Y3_GPIO_NUM;
config.pin_d2 = Y4_GPIO_NUM;
config.pin_d3 = Y5_GPIO_NUM;
config.pin_d4 = Y6_GPIO_NUM;
config.pin_d5 = Y7_GPIO_NUM;
config.pin_d6 = Y8_GPIO_NUM;
config.pin_d7 = Y9_GPIO_NUM;
config.pin_xclk = XCLK_GPIO_NUM;
config.pin_pclk = PCLK_GPIO_NUM;
config.pin_vsync = VSYNC_GPIO_NUM;
config.pin_href = HREF_GPIO_NUM;
config.pin_sscb_sda = SIOD_GPIO_NUM;
config.pin_sscb_scl = SIOC_GPIO_NUM;
config.pin_pwdn = PWDN_GPIO_NUM;
config.pin_reset = RESET_GPIO_NUM;
config.xclk_freq_hz = 20000000;
config.pixel_format = PIXFORMAT_JPEG;
if(psramFound()){
config.frame_size = FRAMESIZE_UXGA;
config.jpeg_quality = 10;
config.fb_count = 2;
} else {
config.frame_size = FRAMESIZE_SVGA;
config.jpeg_quality = 12;
config.fb_count = 1;
}
// Initialize camera
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
capturePhotoSaveSpiffs();
sendPhoto();
}
void loop() {
}
// Check if photo capture was successful
bool checkPhoto( fs::FS &fs ) {
File f_pic = fs.open( filePath );
unsigned int pic_sz = f_pic.size();
return ( pic_sz > 100 );
}
// Capture Photo and Save it to SPIFFS
void capturePhotoSaveSpiffs( void ) {
camera_fb_t * fb = NULL; // pointer
bool ok = 0; // Boolean indicating if the picture has been taken correctly
do {
// Take a photo with the camera
Serial.println("Taking a photo...");
fb = esp_camera_fb_get();
if (!fb) {
Serial.println("Camera capture failed");
return;
}
// Photo file name
Serial.printf("Picture file name: %s\n", filePhoto);
File file = SPIFFS.open(filePath, FILE_WRITE);
// Insert the data in the photo file
if (!file) {
Serial.println("Failed to open file in writing mode");
}
else {
file.write(fb->buf, fb->len); // payload (image), payload length
Serial.print("The picture has been saved in ");
Serial.print(filePath);
Serial.print(" - Size: ");
Serial.print(file.size());
Serial.println(" bytes");
}
// Close the file
file.close();
esp_camera_fb_return(fb);
// check if file has been correctly saved in SPIFFS
ok = checkPhoto(SPIFFS);
} while ( !ok );
}
void sendPhoto( void ) {
/** Enable the debug via Serial port
* none debug or 0
* basic debug or 1
*/
smtp.debug(1);
/* Set the callback function to get the sending results */
smtp.callback(smtpCallback);
/* Declare the session config data */
ESP_Mail_Session session;
/* Set the session config */
session.server.host_name = smtpServer;
session.server.port = smtpServerPort;
session.login.email = emailSenderAccount;
session.login.password = emailSenderPassword;
session.login.user_domain = "mydomain.net";
/* Declare the message class */
SMTP_Message message;
/* Enable the chunked data transfer with pipelining for large message if server supported */
message.enable.chunking = true;
message.sender.name = "ESP Mail";
message.sender.email = emailSenderAccount;
message.subject = "Test sending Email with attachments and inline images from SD card and Flash";
message.addRecipient("Simon", emailRecipient);
String htmlMsg = "<h2>Photo captured with ESP32-CAM and attached in this email.</h2>";
message.html.content = htmlMsg.c_str();
message.html.charSet = "utf-8";
message.html.transfer_encoding = Content_Transfer_Encoding::enc_qp;
message.priority = esp_mail_smtp_priority::esp_mail_smtp_priority_normal;
message.response.notify = esp_mail_smtp_notify_success | esp_mail_smtp_notify_failure | esp_mail_smtp_notify_delay;
/* The attachment data item */
SMTP_Attachment att;
att.descr.filename = "photo.jpg";
att.descr.mime = "image/jpg"; //binary data
att.file.path = "/photo.jpg";
att.file.storage_type = esp_mail_file_storage_type_flash;
att.descr.transfer_encoding = Content_Transfer_Encoding::enc_base64;
/* Add attachment to the message */
message.addAttachment(att);
/* Connect to server with the session config */
if (!smtp.connect(&session))
return;
/* Start sending the Email and close the session */
if (!MailClient.sendMail(&smtp, &message, true))
Serial.println("Error sending Email, " + smtp.errorReason());
}
/* Callback function to get the Email sending status */
void smtpCallback(SMTP_Status status){
/* Print the current status */
Serial.println(status.info());
/* Print the sending result */
if (status.success()){
Serial.println("----------------");
ESP_MAIL_PRINTF("Message sent success: %d\n", status.completedCount());
ESP_MAIL_PRINTF("Message sent failled: %d\n", status.failedCount());
Serial.println("----------------\n");
struct tm dt;
for (size_t i = 0; i < smtp.sendingResult.size(); i++){
/* Get the result item */
SMTP_Result result = smtp.sendingResult.getItem(i);
time_t ts = (time_t)result.timestamp;
localtime_r(&ts, &dt);
ESP_MAIL_PRINTF("Message No: %d\n", i + 1);
ESP_MAIL_PRINTF("Status: %s\n", result.completed ? "success" : "failed");
ESP_MAIL_PRINTF("Date/Time: %d/%d/%d %d:%d:%d\n", dt.tm_year + 1900, dt.tm_mon + 1, dt.tm_mday, dt.tm_hour, dt.tm_min, dt.tm_sec);
ESP_MAIL_PRINTF("Recipient: %s\n", result.recipients);
ESP_MAIL_PRINTF("Subject: %s\n", result.subject);
}
Serial.println("----------------\n");
}
}
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