Hi everyone.
The sketch got error after added getClientIP(); function.
Thanks
Adam
#include "esp_camera.h"
#include <WiFi.h>
#include "esp_timer.h"
#include "img_converters.h"
#include "Arduino.h"
#include "fb_gfx.h"
#include "soc/soc.h" //disable brownout problems
#include "soc/rtc_cntl_reg.h" //disable brownout problems
#include "esp_http_server.h"
// Replace with your network credentials
const char* ssid = "ESP32-Access-Point";
const char* password = "123456789";
#define PART_BOUNDARY "123456789000000000000987654321"
// This project was tested with the AI Thinker Model, M5STACK PSRAM Model and M5STACK WITHOUT PSRAM
#define CAMERA_MODEL_AI_THINKER
//#define CAMERA_MODEL_M5STACK_PSRAM
//#define CAMERA_MODEL_M5STACK_WITHOUT_PSRAM
// Not tested with this model
//#define CAMERA_MODEL_WROVER_KIT
#if defined(CAMERA_MODEL_WROVER_KIT)
#define PWDN_GPIO_NUM -1
#define RESET_GPIO_NUM -1
#define XCLK_GPIO_NUM 21
#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 19
#define Y4_GPIO_NUM 18
#define Y3_GPIO_NUM 5
#define Y2_GPIO_NUM 4
#define VSYNC_GPIO_NUM 25
#define HREF_GPIO_NUM 23
#define PCLK_GPIO_NUM 22
#elif defined(CAMERA_MODEL_M5STACK_PSRAM)
#define PWDN_GPIO_NUM -1
#define RESET_GPIO_NUM 15
#define XCLK_GPIO_NUM 27
#define SIOD_GPIO_NUM 25
#define SIOC_GPIO_NUM 23
#define Y9_GPIO_NUM 19
#define Y8_GPIO_NUM 36
#define Y7_GPIO_NUM 18
#define Y6_GPIO_NUM 39
#define Y5_GPIO_NUM 5
#define Y4_GPIO_NUM 34
#define Y3_GPIO_NUM 35
#define Y2_GPIO_NUM 32
#define VSYNC_GPIO_NUM 22
#define HREF_GPIO_NUM 26
#define PCLK_GPIO_NUM 21
#elif defined(CAMERA_MODEL_M5STACK_WITHOUT_PSRAM)
#define PWDN_GPIO_NUM -1
#define RESET_GPIO_NUM 15
#define XCLK_GPIO_NUM 27
#define SIOD_GPIO_NUM 25
#define SIOC_GPIO_NUM 23
#define Y9_GPIO_NUM 19
#define Y8_GPIO_NUM 36
#define Y7_GPIO_NUM 18
#define Y6_GPIO_NUM 39
#define Y5_GPIO_NUM 5
#define Y4_GPIO_NUM 34
#define Y3_GPIO_NUM 35
#define Y2_GPIO_NUM 17
#define VSYNC_GPIO_NUM 22
#define HREF_GPIO_NUM 26
#define PCLK_GPIO_NUM 21
#elif 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
static const char* _STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary=" PART_BOUNDARY;
static const char* _STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
static const char* _STREAM_PART = "Content-Type: image/jpeg\r\nContent-Length: %u\r\n\r\n";
httpd_handle_t stream_httpd = NULL;
static esp_err_t stream_handler(httpd_req_t *req) {
camera_fb_t * fb = NULL;
esp_err_t res = ESP_OK;
size_t _jpg_buf_len = 0;
uint8_t * _jpg_buf = NULL;
char * part_buf[64];
res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
if (res != ESP_OK) {
return res;
}
while (true) {
fb = esp_camera_fb_get();
if (!fb) {
Serial.println("Camera capture failed");
res = ESP_FAIL;
} else {
if (fb->width > 400) {
if (fb->format != PIXFORMAT_JPEG) {
bool jpeg_converted = frame2jpg(fb, 80, &_jpg_buf, &_jpg_buf_len);
esp_camera_fb_return(fb);
fb = NULL;
if (!jpeg_converted) {
Serial.println("JPEG compression failed");
res = ESP_FAIL;
}
} else {
_jpg_buf_len = fb->len;
_jpg_buf = fb->buf;
}
}
}
if (res == ESP_OK) {
size_t hlen = snprintf((char *)part_buf, 64, _STREAM_PART, _jpg_buf_len);
res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
}
if (res == ESP_OK) {
res = httpd_resp_send_chunk(req, (const char *)_jpg_buf, _jpg_buf_len);
}
if (res == ESP_OK) {
res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
}
if (fb) {
esp_camera_fb_return(fb);
fb = NULL;
_jpg_buf = NULL;
} else if (_jpg_buf) {
free(_jpg_buf);
_jpg_buf = NULL;
}
if (res != ESP_OK) {
break;
}
//Serial.printf("MJPG: %uB\n",(uint32_t)(_jpg_buf_len));
}
return res;
}
void startCameraServer() {
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
config.server_port = 80;
httpd_uri_t index_uri = {
.uri = "/",
.method = HTTP_GET,
.handler = stream_handler,
.user_ctx = NULL
};
//Serial.printf("Starting web server on port: '%d'\n", config.server_port);
if (httpd_start(&stream_httpd, &config) == ESP_OK) {
httpd_register_uri_handler(stream_httpd, &index_uri);
}
}
void setup() {
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable brownout detector
Serial.begin(115200);
Serial.print("File : "), Serial.println(__FILE__);
const char compile_date[] = __DATE__ " " __TIME__;
Serial.print("Compile timestamp: ");
Serial.println(compile_date);
Serial.setDebugOutput(false);
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;
}
// Camera init
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
// Connect to Wi-Fi network with SSID and password
Serial.print("Setting AP (Access Point)…");
// Remove the password parameter, if you want the AP (Access Point) to be open
WiFi.softAP(ssid, password);
IPAddress IP = WiFi.softAPIP();
Serial.print("Camera Stream Ready! Connect to the ESP32 AP and go to: http://");
Serial.println(IP);
Serial.print("AP SSID = ");
Serial.println(ssid);
Serial.print("password = ");
Serial.println(password);
Serial.print("Gateway IP address: ");
Serial.println(WiFi.gatewayIP());
Serial.print("Subnet Mask: ");
Serial.println(WiFi.subnetMask());
// Start streaming web server
startCameraServer();
}
void loop() {
// delay(1);
getClientIP(); //****
}
//****
void getClientIP()
{
WiFiClient client = WiFiServer.available();
if (client) {
Serial.print("Client connected with IP:");
Serial.println(client.remoteIP());
client.stop();
}
}
//****
ERROR:
Arduino: 1.8.19 (Windows 7), Board: "AI Thinker ESP32-CAM, 240MHz (WiFi/BT), QIO, Huge APP (3MB No OTA/1MB SPIFFS), 40MHz, None, Disabled"
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino: In function 'void startCameraServer()':
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:200:3: warning: missing initializer for member 'httpd_uri::is_websocket' [-Wmissing-field-initializers]
};
^
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:200:3: warning: missing initializer for member 'httpd_uri::handle_ws_control_frames' [-Wmissing-field-initializers]
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:200:3: warning: missing initializer for member 'httpd_uri::supported_subprotocol' [-Wmissing-field-initializers]
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino: In function 'void setup()':
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:237:10: warning: 'camera_config_t::<unnamed union>::pin_sscb_sda' is deprecated: please use pin_sccb_sda instead [-Wdeprecated-declarations]
config.pin_sscb_sda = SIOD_GPIO_NUM;
^~~~~~~~~~~~
In file included from C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:23:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.5/tools/sdk/esp32/include/esp32-camera/driver/include/esp_camera.h:117:87: note: declared here
int pin_sscb_sda __attribute__((deprecated("please use pin_sccb_sda instead"))); /*!< GPIO pin for camera SDA line (legacy name) */
^
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:237:10: warning: 'camera_config_t::<unnamed union>::pin_sscb_sda' is deprecated: please use pin_sccb_sda instead [-Wdeprecated-declarations]
config.pin_sscb_sda = SIOD_GPIO_NUM;
^~~~~~~~~~~~
In file included from C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:23:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.5/tools/sdk/esp32/include/esp32-camera/driver/include/esp_camera.h:117:87: note: declared here
int pin_sscb_sda __attribute__((deprecated("please use pin_sccb_sda instead"))); /*!< GPIO pin for camera SDA line (legacy name) */
^
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:237:10: warning: 'camera_config_t::<unnamed union>::pin_sscb_sda' is deprecated: please use pin_sccb_sda instead [-Wdeprecated-declarations]
config.pin_sscb_sda = SIOD_GPIO_NUM;
^~~~~~~~~~~~
In file included from C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:23:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.5/tools/sdk/esp32/include/esp32-camera/driver/include/esp_camera.h:117:87: note: declared here
int pin_sscb_sda __attribute__((deprecated("please use pin_sccb_sda instead"))); /*!< GPIO pin for camera SDA line (legacy name) */
^
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:238:10: warning: 'camera_config_t::<unnamed union>::pin_sscb_scl' is deprecated: please use pin_sccb_scl instead [-Wdeprecated-declarations]
config.pin_sscb_scl = SIOC_GPIO_NUM;
^~~~~~~~~~~~
In file included from C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:23:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.5/tools/sdk/esp32/include/esp32-camera/driver/include/esp_camera.h:121:87: note: declared here
int pin_sscb_scl __attribute__((deprecated("please use pin_sccb_scl instead"))); /*!< GPIO pin for camera SCL line (legacy name) */
^
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:238:10: warning: 'camera_config_t::<unnamed union>::pin_sscb_scl' is deprecated: please use pin_sccb_scl instead [-Wdeprecated-declarations]
config.pin_sscb_scl = SIOC_GPIO_NUM;
^~~~~~~~~~~~
In file included from C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:23:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.5/tools/sdk/esp32/include/esp32-camera/driver/include/esp_camera.h:121:87: note: declared here
int pin_sscb_scl __attribute__((deprecated("please use pin_sccb_scl instead"))); /*!< GPIO pin for camera SCL line (legacy name) */
^
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:238:10: warning: 'camera_config_t::<unnamed union>::pin_sscb_scl' is deprecated: please use pin_sccb_scl instead [-Wdeprecated-declarations]
config.pin_sscb_scl = SIOC_GPIO_NUM;
^~~~~~~~~~~~
In file included from C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino:23:
C:\Users\HUA.DELLV-PC\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.5/tools/sdk/esp32/include/esp32-camera/driver/include/esp_camera.h:121:87: note: declared here
int pin_sscb_scl __attribute__((deprecated("please use pin_sccb_scl instead"))); /*!< GPIO pin for camera SCL line (legacy name) */
^
C:\Users\HUA~1.DEL\AppData\Local\Temp\arduino_modified_sketch_162396\ESP32CAM_AP_stream_GOOD_new.ino: In function 'void getClientIP()':
ESP32CAM_AP_stream_GOOD_new:294:32: error: expected primary-expression before '.' token
WiFiClient client = WiFiServer.available();
^
exit status 1
expected primary-expression before '.' token
This report would have more information with
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option enabled in File -> Preferences.