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ESP32_Project/libraries/ESP32QRCodeReader_Page_original/ESP32QRCodeReader_Page.ino
ClemensFritze 501164811b update
2024-02-07 11:25:05 +01:00

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/*
ESP32-CAM QR code Reader
Author : ChungYi Fu (Kaohsiung, Taiwan) 2021-8-13 20:00
https://www.facebook.com/francefu
Refer to the code
https://github.com/alvarowolfx/ESP32QRCodeReader
自訂指令格式 http://192.168.xxx.xxx/control?cmd=P1;P2;P3;P4;P5;P6;P7;P8;P9
http://192.168.xxx.xxx/?ip //取得APIP, STAIP
http://192.168.xxx.xxx/?mac //取得MAC位址
http://192.168.xxx.xxx/?digitalwrite=pin;value //數位輸出
http://192.168.xxx.xxx/?analogwrite=pin;value //類比輸出
http://192.168.xxx.xxx/?digitalread=pin //數位讀取
http://192.168.xxx.xxx/?analogread=pin //類比讀取
http://192.168.xxx.xxx/?touchread=pin //觸碰讀取
http://192.168.xxx.xxx/?restart //重啟電源
http://192.168.xxx.xxx/?flash=value //閃光燈 value= 0~255
http://192.168.xxx.xxx/?servo=pin;value //伺服馬達 value= 0~180
http://192.168.xxx.xxx/?relay=pin;value //繼電器 value = 0, 1
http://192.168.xxx.xxx/?uart=value //序列埠
*/
//輸入WIFI連線帳號密碼
const char* ssid = "*****";
const char* password = "*****";
//輸入AP端連線帳號密碼 http://192.168.4.1
const char* apssid = "esp32-cam";
const char* appassword = "12345678"; //AP密碼至少要8個字元以上
String Feedback=""; //回傳客戶端訊息
//指令參數值
String Command="",cmd="",P1="",P2="",P3="",P4="",P5="",P6="",P7="",P8="",P9="";
//指令拆解狀態值
byte ReceiveState=0,cmdState=1,strState=1,questionstate=0,equalstate=0,semicolonstate=0;
#include <WiFi.h>
#include "esp_camera.h" //視訊函式
#include "soc/soc.h" //用於電源不穩不重開機
#include "soc/rtc_cntl_reg.h" //用於電源不穩不重開機
#include "quirc.h"
TaskHandle_t Task;
//ESP32-CAM 安信可模組腳位設定
#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
struct QRCodeData
{
bool valid;
int dataType;
uint8_t payload[1024];
int payloadLen;
};
struct quirc *q = NULL;
uint8_t *image = NULL;
camera_fb_t * fb = NULL;
struct quirc_code code;
struct quirc_data data;
quirc_decode_error_t err;
struct QRCodeData qrCodeData;
String QRCodeResult = "";
WiFiServer server(80);
WiFiClient client;
camera_config_t config;
void setup() {
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //關閉電源不穩就重開機的設定
Serial.begin(115200);
Serial.setDebugOutput(true); //開啟診斷輸出
Serial.println();
//視訊組態設定 https://github.com/espressif/esp32-camera/blob/master/driver/include/esp_camera.h
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 = 10000000;
config.pixel_format = PIXFORMAT_GRAYSCALE;
config.frame_size = FRAMESIZE_QVGA;
config.jpeg_quality = 15;
config.fb_count = 1;
//視訊初始化
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
ESP.restart();
}
sensor_t * s = esp_camera_sensor_get();
s->set_framesize(s, FRAMESIZE_QVGA);
//s->set_vflip(s, 1); //垂直翻轉
//s->set_hmirror(s, 1); //水平鏡像
//閃光燈(GPIO4)
ledcAttachPin(4, 4);
ledcSetup(4, 5000, 8);
WiFi.mode(WIFI_AP_STA); //其他模式 WiFi.mode(WIFI_AP); WiFi.mode(WIFI_STA);
//指定Client端靜態IP
//WiFi.config(IPAddress(192, 168, 201, 100), IPAddress(192, 168, 201, 2), IPAddress(255, 255, 255, 0));
for (int i=0;i<2;i++) {
WiFi.begin(ssid, password); //執行網路連線
delay(1000);
Serial.println("");
Serial.print("Connecting to ");
Serial.println(ssid);
long int StartTime=millis();
while (WiFi.status() != WL_CONNECTED) {
delay(500);
if ((StartTime+5000) < millis()) break; //等待10秒連線
}
if (WiFi.status() == WL_CONNECTED) { //若連線成功
WiFi.softAP((WiFi.localIP().toString()+"_"+(String)apssid).c_str(), appassword); //設定SSID顯示客戶端IP
Serial.println("");
Serial.println("STAIP address: ");
Serial.println(WiFi.localIP());
Serial.println("");
for (int i=0;i<5;i++) { //若連上WIFI設定閃光燈快速閃爍
ledcWrite(4,10);
delay(200);
ledcWrite(4,0);
delay(200);
}
break;
}
}
if (WiFi.status() != WL_CONNECTED) { //若連線失敗
WiFi.softAP((WiFi.softAPIP().toString()+"_"+(String)apssid).c_str(), appassword);
for (int i=0;i<2;i++) { //若連不上WIFI設定閃光燈慢速閃爍
ledcWrite(4,10);
delay(1000);
ledcWrite(4,0);
delay(1000);
}
}
//指定AP端IP
//WiFi.softAPConfig(IPAddress(192, 168, 4, 1), IPAddress(192, 168, 4, 1), IPAddress(255, 255, 255, 0));
Serial.println("");
Serial.println("APIP address: ");
Serial.println(WiFi.softAPIP());
Serial.println("");
//設定閃光燈為低電位
pinMode(4, OUTPUT);
digitalWrite(4, LOW);
server.begin();
xTaskCreatePinnedToCore(
QRCodeReader, /* Task function. */
"Task", /* name of task. */
10000, /* Stack size of task */
NULL, /* parameter of the task */
1, /* priority of the task */
&Task, /* Task handle to keep track of created task */
0); /* pin task to core 0 */
Serial.print("listenConnection running on core ");
Serial.println(xPortGetCoreID());
}
void loop() {
listenConnection();
}
void QRCodeReader( void * pvParameters ){
Serial.print("QRCodeReader running on core ");
Serial.println(xPortGetCoreID());
while(1){
q = quirc_new();
if (q == NULL){
Serial.print("can't create quirc object\r\n");
continue;
}
fb = esp_camera_fb_get();
if (!fb)
{
Serial.println("Camera capture failed");
continue;
}
//Serial.printf("quirc_begin\r\n");
quirc_resize(q, fb->width, fb->height);
image = quirc_begin(q, NULL, NULL);
//Serial.printf("Frame w h len: %d, %d, %d \r\n", fb->width, fb->height, fb->len);
memcpy(image, fb->buf, fb->len);
quirc_end(q);
//Serial.printf("quirc_end\r\n");
int count = quirc_count(q);
if (count > 0) {
Serial.println(count);
quirc_extract(q, 0, &code);
err = quirc_decode(&code, &data);
if (err){
Serial.println("Decoding FAILED");
QRCodeResult = "Decoding FAILED";
} else {
Serial.printf("Decoding successful:\n");
dumpData(&data);
/*
qrCodeData.dataType = data.data_type;
for (int j = 0; j < data.payload_len; j++)
{
qrCodeData.payload[j] = data.payload[j];
}
qrCodeData.valid = true;
qrCodeData.payload[data.payload_len] = '\0';
qrCodeData.payloadLen = data.payload_len;
*/
//vTaskDelay(3000/portTICK_RATE_MS);
}
Serial.println();
}
esp_camera_fb_return(fb);
fb = NULL;
image = NULL;
quirc_destroy(q);
}
}
void dumpData(const struct quirc_data *data)
{
Serial.printf("Version: %d\n", data->version);
Serial.printf("ECC level: %c\n", "MLHQ"[data->ecc_level]);
Serial.printf("Mask: %d\n", data->mask);
Serial.printf("Length: %d\n", data->payload_len);
Serial.printf("Payload: %s\n", data->payload);
QRCodeResult = (const char *)data->payload;
}
//執行自訂指令
void ExecuteCommand() {
//Serial.println("");
//Serial.println("Command: "+Command);
if (cmd!="getstill") {
Serial.println("cmd= "+cmd+" ,P1= "+P1+" ,P2= "+P2+" ,P3= "+P3+" ,P4= "+P4+" ,P5= "+P5+" ,P6= "+P6+" ,P7= "+P7+" ,P8= "+P8+" ,P9= "+P9);
Serial.println("");
}
//自訂指令區塊 http://192.168.xxx.xxx?cmd=P1;P2;P3;P4;P5;P6;P7;P8;P9
if (cmd=="your cmd") {
// You can do anything
// Feedback="<font color=\"red\">Hello World</font>"; //可為一般文字或HTML語法
}
else if (cmd=="ip") { //查詢APIP, STAIP
Feedback="AP IP: "+WiFi.softAPIP().toString();
Feedback+="<br>";
Feedback+="STA IP: "+WiFi.localIP().toString();
}
else if (cmd=="mac") { //查詢MAC位址
Feedback="STA MAC: "+WiFi.macAddress();
}
else if (cmd=="restart") { //重設WIFI連線
ESP.restart();
}
else if (cmd=="digitalwrite") { //數位輸出
ledcDetachPin(P1.toInt());
pinMode(P1.toInt(), OUTPUT);
digitalWrite(P1.toInt(), P2.toInt());
}
else if (cmd=="digitalread") { //數位輸入
Feedback=String(digitalRead(P1.toInt()));
}
else if (cmd=="analogwrite") { //類比輸出
if (P1=="4") {
ledcAttachPin(4, 4);
ledcSetup(4, 5000, 8);
ledcWrite(4,P2.toInt());
}
else {
ledcAttachPin(P1.toInt(), 9);
ledcSetup(9, 5000, 8);
ledcWrite(9,P2.toInt());
}
}
else if (cmd=="analogread") { //類比讀取
Feedback=String(analogRead(P1.toInt()));
}
else if (cmd=="touchread") { //觸碰讀取
Feedback=String(touchRead(P1.toInt()));
}
else if (cmd=="framesize") { //解析度
sensor_t * s = esp_camera_sensor_get();
int val = P1.toInt();
s->set_framesize(s, (framesize_t)val);
}
else if (cmd=="quality") { //畫質
sensor_t * s = esp_camera_sensor_get();
int val = P1.toInt();
s->set_quality(s, val);
}
else if (cmd=="contrast") { //對比
sensor_t * s = esp_camera_sensor_get();
int val = P1.toInt();
s->set_contrast(s, val);
}
else if (cmd=="brightness") { //亮度
sensor_t * s = esp_camera_sensor_get();
int val = P1.toInt();
s->set_brightness(s, val);
}
else if (cmd=="hmirror") { //水平鏡像
sensor_t * s = esp_camera_sensor_get();
int val = P1.toInt();
s->set_hmirror(s, val);
}
else if (cmd=="vflip") { //垂直翻轉
sensor_t * s = esp_camera_sensor_get();
int val = P1.toInt();
s->set_vflip(s, val);
}
else if (cmd=="serial") { //序列埠
Serial.print(P1);
}
else if (cmd=="restart") { //重啟電源
ESP.restart();
}
else if (cmd=="flash") { //閃光燈
ledcAttachPin(4, 4);
ledcSetup(4, 5000, 8);
int val = P1.toInt();
ledcWrite(4,val);
}
else if(cmd=="servo") { //伺服馬達 (0-180)
ledcAttachPin(P1.toInt(), 3);
ledcSetup(3, 50, 16);
int val = 7864-P2.toInt()*34.59;
if (val > 7864)
val = 7864;
else if (val < 1638)
val = 1638;
ledcWrite(3, val);
}
else if (cmd=="relay") { //繼電器
pinMode(P1.toInt(), OUTPUT);
digitalWrite(13, P2.toInt());
}
else {
Feedback="Command is not defined.";
}
if (Feedback=="") Feedback=Command;
}
//自訂網頁首頁管理介面
static const char PROGMEM INDEX_HTML[] = R"rawliteral(
<!DOCTYPE html>
<head>
<title></title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<canvas id="canvas" width="320" height="240"></canvas><br>
Flash<input type="range" id="flash" min="0" max="255" value="0">
<input type="button" value="Get Still" onclick="getStill();"><br>
<div id="result" style="color:red"></div>
</body>
</html>
<script>
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
var flash = document.getElementById('flash');
var result = document.getElementById('result');
flash.onchange = function() {
var query = document.location.origin+"/?flash="+flash.value;
fetch(query);
}
function getStill() {
var xhr = new XMLHttpRequest();
xhr.open("GET", "/?getstill", true);
xhr.responseType = "arraybuffer";
xhr.onload = function (oEvent) {
var arrayBuffer = xhr.response; // Note: not xhr.responseText
if (arrayBuffer) {
var byteArray = new Uint8Array(arrayBuffer);
var imgData=context.getImageData(0,0,canvas.width,canvas.height);
var val = 0;
for (var i=0;i<imgData.data.length;i+=4) {
val = parseInt(byteArray[i/4], 10);
imgData.data[i]=val;
imgData.data[i+1]=val;
imgData.data[i+2]=val;
imgData.data[i+3]=255;
}
context.putImageData(imgData,0,0);
setTimeout(function(){getStill();}, 100);
}
};
xhr.send(null);
}
</script>
)rawliteral";
void listenConnection() {
Feedback="";Command="";cmd="";P1="";P2="";P3="";P4="";P5="";P6="";P7="";P8="";P9="";
ReceiveState=0,cmdState=1,strState=1,questionstate=0,equalstate=0,semicolonstate=0;
client = server.available();
if (client) {
String currentLine = "";
while (client.connected()) {
if (client.available()) {
char c = client.read();
getCommand(c); //將緩衝區取得的字元拆解出指令參數
if (c == '\n') {
if (currentLine.length() == 0) {
if (cmd=="getstill") {
getStill();
} else {
mainPage();
}
Feedback="";
break;
} else {
currentLine = "";
}
} else if (c != '\r') {
currentLine += c;
}
if ((currentLine.indexOf("?")!=-1)&&(currentLine.indexOf(" HTTP")!=-1)) {
if (Command.indexOf("stop")!=-1) { //若指令中含關鍵字stop立即斷線 -> http://192.168.xxx.xxx?cmd=aaa;bbb;ccc;stop
client.println();
client.println();
client.stop();
}
currentLine="";
Feedback="";
ExecuteCommand();
}
}
}
delay(1);
client.stop();
}
}
void mainPage() {
//回傳HTML首頁或Feedback
client.println("HTTP/1.1 200 OK");
client.println("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");
client.println("Access-Control-Allow-Methods: GET,POST,PUT,DELETE,OPTIONS");
client.println("Content-Type: text/html; charset=utf-8");
client.println("Access-Control-Allow-Origin: *");
client.println("Connection: close");
client.println();
String Data="";
if (cmd!="")
Data = Feedback;
else {
Data = String((const char *)INDEX_HTML);
}
int Index;
for (Index = 0; Index < Data.length(); Index = Index+1024) {
client.print(Data.substring(Index, Index+1024));
}
}
void getStill() {
camera_fb_t * fb = NULL;
fb = esp_camera_fb_get();
if(!fb) {
Serial.println("Camera capture failed");
return;
}
uint8_t *fbBuf = fb->buf;
size_t fbLen = fb->len;
client.println("HTTP/1.1 200 OK");
client.println("Access-Control-Allow-Origin: *");
client.println("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");
client.println("Access-Control-Allow-Methods: GET,POST,PUT,DELETE,OPTIONS");
client.println("Content-Type: application/octet-stream");
client.println();
for (size_t n=0;n<fbLen;n=n+1024) {
if (n+1024<fbLen) {
client.write(fbBuf, 1024);
fbBuf += 1024;
}
else if (fbLen%1024>0) {
size_t remainder = fbLen%1024;
client.write(fbBuf, remainder);
}
}
esp_camera_fb_return(fb);
pinMode(4, OUTPUT);
digitalWrite(4, LOW);
}
//拆解命令字串置入變數
void getCommand(char c) {
if (c=='?') ReceiveState=1;
if ((c==' ')||(c=='\r')||(c=='\n')) ReceiveState=0;
if (ReceiveState==1)
{
Command=Command+String(c);
if (c=='=') cmdState=0;
if (c==';') strState++;
if ((cmdState==1)&&((c!='?')||(questionstate==1))) cmd=cmd+String(c);
if ((cmdState==0)&&(strState==1)&&((c!='=')||(equalstate==1))) P1=P1+String(c);
if ((cmdState==0)&&(strState==2)&&(c!=';')) P2=P2+String(c);
if ((cmdState==0)&&(strState==3)&&(c!=';')) P3=P3+String(c);
if ((cmdState==0)&&(strState==4)&&(c!=';')) P4=P4+String(c);
if ((cmdState==0)&&(strState==5)&&(c!=';')) P5=P5+String(c);
if ((cmdState==0)&&(strState==6)&&(c!=';')) P6=P6+String(c);
if ((cmdState==0)&&(strState==7)&&(c!=';')) P7=P7+String(c);
if ((cmdState==0)&&(strState==8)&&(c!=';')) P8=P8+String(c);
if ((cmdState==0)&&(strState>=9)&&((c!=';')||(semicolonstate==1))) P9=P9+String(c);
if (c=='?') questionstate=1;
if (c=='=') equalstate=1;
if ((strState>=9)&&(c==';')) semicolonstate=1;
}
}
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