T-SIMCAM, Upload images anywhere with an 4G LTE modem.

Cellular/T-SIMCAM/01_T-SIMCAM_ImageUploader/01_T-SIMCAM_ImageUploader.ino

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+/////////////////////////////////////////////////////////////////
+/*
+  T-SIMCAM, Upload images anywhere with an 4G LTE modem.
+  For More Information: https://youtu.be/kOYJ-4oZ8Ws
+  Created by Eric N. (ThatProject)
+*/
+/////////////////////////////////////////////////////////////////
+
+/*Verison*/
+//ESP32 Arduino 2.0.7
+//TinyGSM 0.11.5
+
+#define TINY_GSM_MODEM_SIM7600
+#include "config.h"
+#include "esp_camera.h"
+#include <HardwareSerial.h>
+#include <TinyGsmClient.h>
+
+const char server[] = "34.127.93.100";
+const char resource[] = "/upload";
+const int port = 3000;
+
+#define CHUNK_SIZE        1500
+#define TINY_GSM_USE_GPRS true
+
+const char apn[] = "h2g2";
+const char gprsUser[] = "";
+const char gprsPass[] = "";
+
+TinyGsm modem(Serial1);
+TinyGsmClient client(modem, 0);
+
+void setup() {
+  Serial.begin(115200);
+  Serial.setDebugOutput(true);
+  Serial.println();
+
+  pinMode(PWR_ON_PIN, OUTPUT);
+  digitalWrite(PWR_ON_PIN, HIGH);
+
+  Serial1.begin(115200, SERIAL_8N1, PCIE_RX_PIN, PCIE_TX_PIN);
+  pinMode(PCIE_PWR_PIN, OUTPUT);
+  digitalWrite(PCIE_PWR_PIN, 1);
+  delay(500);
+  digitalWrite(PCIE_PWR_PIN, 0);
+  Serial.println("Wait...");
+  delay(3000);
+
+  Serial.println("Initializing modem...");
+  modem.init();
+
+  String modemInfo = modem.getModemInfo();
+  Serial.print("Modem Info: ");
+  Serial.println(modemInfo);
+
+  // 2 Automatic , 13 GSM only , 38 LTE only , 51 GSM and LTE only
+  int res;
+  do {
+    res = modem.setNetworkMode(38);
+    Serial.print("Modem Set LTE: ");
+    Serial.println(res);
+    delay(500);
+
+  } while (res != 1);
+
+  Serial1.println("AT+CPSI?"); // Get connection type and band
+  delay(500);
+  if (Serial1.available()) {
+    String r = Serial1.readString();
+    Serial.println(r);
+  }
+
+  Serial.println("\n---End of GPRS TEST---\n");
+
+  camera_init();
+}
+
+void loop() {
+  Serial.print("Waiting for network...");
+  if (!modem.waitForNetwork()) {
+    Serial.println("Modem Fail");
+    delay(10000);
+    return;
+  }
+  Serial.println(" success");
+
+  if (modem.isNetworkConnected()) {
+    Serial.println("Network connected");
+  }
+
+  Serial.print(F("Connecting to "));
+  Serial.print(apn);
+  if (!modem.gprsConnect(apn, gprsUser, gprsPass)) {
+    Serial.println("GPRS fail");
+    delay(10000);
+    return;
+  }
+
+  if (modem.isGprsConnected()) {
+    Serial.println("GPRS connected");
+    takeShot();
+  }
+
+  delay(10000); // 10sec
+}
+
+void takeShot() {
+
+  camera_fb_t *fb = esp_camera_fb_get();
+  if (!fb) {
+    Serial.println("[ERROR] GRAB Image");
+    return;
+  }
+
+  Serial.println("[SUCCESS] Take a Shot!");
+
+  Serial.printf("[Photo] Photo Size : %d Bytes\n", fb->len);
+
+  if (!client.connect(server, port)) {
+    Serial.println("... failed");
+  } else {
+
+    unsigned long currentTotalTime = millis();
+    client.print(String("POST ") + resource + " HTTP/1.1\r\n");
+    client.print(String("Host: ") + server + "\r\n");
+    client.print("Content-Length: ");
+    client.print(fb->len);
+    client.print("\r\n");
+    client.print("Content-Type: image/jpeg\r\n");
+    client.println();
+    client.flush();
+
+    uint8_t tmp[CHUNK_SIZE] = {0};
+    size_t blen = sizeof(tmp);
+    size_t i = 0;
+    size_t len = fb->len;
+    int sent_size = 0;
+
+    for (i = 0; i < len / blen; ++i) {
+      memcpy(tmp, fb->buf + (i * blen), blen);
+      sent_size = client.write(tmp, CHUNK_SIZE);
+    }
+
+    if (len % blen) {
+      size_t rest = len % blen;
+      memcpy(tmp, fb->buf + (len - len % blen), rest);
+      sent_size = client.write(tmp, rest);
+    }
+    Serial.printf("Time taken to upload a single image: %d ms\n", millis() - currentTotalTime);
+
+    // Wait for data to arrive
+    uint32_t start = millis();
+    while (client.connected() && !client.available() && millis() - start < 30000L) {
+      delay(100);
+    };
+
+    // Read data
+    start = millis();
+    char logo[640] = {
+        '\0',
+    };
+    int read_chars = 0;
+    while (client.connected() && millis() - start < 10000L) {
+      while (client.available()) {
+        logo[read_chars] = client.read();
+        logo[read_chars + 1] = '\0';
+        read_chars++;
+        start = millis();
+      }
+    }
+    Serial.println(logo);
+
+    client.stop();
+  }
+
+  esp_camera_fb_return(fb);
+}
+
+void camera_init() {
+  camera_config_t config;
+  config.ledc_channel = LEDC_CHANNEL_0;
+  config.ledc_timer = LEDC_TIMER_0;
+  config.pin_d0 = CAM_Y2_PIN;
+  config.pin_d1 = CAM_Y3_PIN;
+  config.pin_d2 = CAM_Y4_PIN;
+  config.pin_d3 = CAM_Y5_PIN;
+  config.pin_d4 = CAM_Y6_PIN;
+  config.pin_d5 = CAM_Y7_PIN;
+  config.pin_d6 = CAM_Y8_PIN;
+  config.pin_d7 = CAM_Y9_PIN;
+  config.pin_xclk = CAM_XCLK_PIN;
+  config.pin_pclk = CAM_PCLK_PIN;
+  config.pin_vsync = CAM_VSYNC_PIN;
+  config.pin_href = CAM_HREF_PIN;
+  config.pin_sscb_sda = CAM_SIOD_PIN;
+  config.pin_sscb_scl = CAM_SIOC_PIN;
+  config.pin_pwdn = CAM_PWDN_PIN;
+  config.pin_reset = CAM_RESET_PIN;
+  config.xclk_freq_hz = 20000000;
+  config.frame_size = FRAMESIZE_UXGA;
+  config.pixel_format = PIXFORMAT_JPEG;
+  config.jpeg_quality = 10;
+  config.fb_count = 2;
+
+  // camera init
+  Serial.println("Camera init");
+  esp_err_t err = esp_camera_init(&config);
+  if (err != ESP_OK) {
+    Serial.printf("Camera init failed with error 0x%x", err);
+    ESP.restart();
+    return;
+  }
+}