Sending Photos And Videos By Wifi; Sending Times - Libelium Waspmote Technical Manual

6.2. Sending photos and videos by WiFi

Figure : Flow diagram to send photos and videos to FTP server via Wi-Fi
You can send the photo or video captured to the network using WiFi radio.
These are the steps:
• Step 1: Waspmote manages the commands to take the photo or the video.
• Step 2: 3G/GPRS Board takes photo or video data from the sensor and stores in its own microSD card.
• Step 3: Waspmote manages the commands to extract the file and store it in the microSD card.
• Step 4: 3G/GPRS Board sends the file to Waspmote.
• Step 5: Waspmote join to the WLAN and connects to the FTP server.
• Step 6: Waspmote sends the file to the FTP via WiFi.
The function
sendFiletoWiFiFTP()
6). Refer to the "API" subsection in this chapter for more information.

6.3. Sending times

Figure : Time required to send a photo (100KB)
These times correspond to the transmission of an image of max resolution 640x480 (100KB). Lower image resolutions decrease
dramatically the transmission time.
have been developed to manage the transfer from Waspmote to the network (steps 3 to
Radio
3G/GPRS
WiFi
Destiny
Upload to FTP
Attach in an email
Upload to FTP
-35-
Sending the photos and videos
Time (s)
16
18
90
v4.3