char output[base64_enc_len(3)]; String imageFile = "";for (int i=0;i<fb->len;i++) { base64_encode(output, (input++), 3); if (i%3==0) imageFile += urlencode(String(output)); }String Data = nomedoArquivo+mimeType+Imagem;esp_camera_fb_return(fb); Serial...
enc1 = base64EncodeChars.indexOf(input.charAt(i++)); enc2 = base64EncodeChars.indexOf(input.charAt(i++)); enc3 = base64EncodeChars.indexOf(input.charAt(i++)); enc4 = base64EncodeChars.indexOf(input.charAt(i++)); chr1 = (enc1 << 2) | (enc2 >> 4); chr2 = ((enc2 &...
按照大哥的修改,重新编译之后,ok了 error: implicit declaration of function ‘_base64_encode’ [-Werror=implicit-function-declaration] 下载好程序,测试OK。 贴上软件代码: websocket.c /* Esptouch example This example code is in the Public Domain (or CC0 licensed, at your option.) Unless required...
String base64 = base64Encode(fb->buf, fb->len);// 发送POST请求到OCR服务 HTTPClient http; http.begin(“https://your_ocr_api_url“); // 替换为你的OCR服务URL http.addHeader(“Content-Type”, “application/json”); String postData = “{\”image\”:\”data:image/jpeg;base64,” + b...
你需要将捕获的图像数据转换为OneNET接受的格式(如Base64编码),然后通过MQTT协议上传到OneNET平台。 以下是一个简单的示例,展示了如何将图片文件转换为Base64编码的字符串,并通过MQTT发布到OneNET平台: cpp #include <Base64.h> String base64Encode(const uint8_t *buffer, size_t length) { String enc...
# 若使用二进制传输,则userName需要添加encode=base64参数,服务端会将消息体base64编码后再推送。具体添加方法请参见下一章节“二进制消息体说明”。 username = clientId + "|authMode=aksign" + ",signMethod=" + signMethod \ + ",timestamp=" + timestamp + ",authId=" + accessKey \ ...
# 若使用二进制传输，则userName需要添加encode=base64参数，服务端会将消息体base64编码后再推送。具体...
Base64.encodeToString(bytes, Base64.DEFAULT);try {mqttAndroidClient.publish("image/topic", base64...
base64_encode(base64Char, 3, (const char*)&val, (i + 2 < len) ? 3 : len - i);base...
esp_crypto_base64_encode((unsigned char *)digest + 6, n, (size_t *)&out, (const unsigned char *)user_info, strlen(user_info)); } free(user_info); return digest; } /* An HTTP GET handler */ static esp_err_t basic_auth_get_handler(httpd_req_t *req) ...