input/devices/walkera0701.rst

2 Walkera WK-0701 transmitter
5 Walkera WK-0701 transmitter is supplied with a ready to fly Walkera
10 http://zub.fei.tuke.sk/walkera-wk0701/
13 cg-clone http://zub.fei.tuke.sk/GIT/walkera0701-joystick
16 Connecting to PC
19 At back side of transmitter S-video connector can be found. Modulation
22 modulation pulses to PC, signal pulses must be amplified.
26 Walkera WK-0701 TX S-VIDEO connector::
29      __   __              S-video:                                  canon25
31    / O 4 3 O \            pin 3 (GND)        LED        ________________  10 ACK
35      -------        3 __________________________________|________________ 25 GND
45 walkera0701 module, check dmesg for error messages. Connect TX to PC by
55 Driver use interrupt from parport ACK input bit to measure pulse length
59 Based on walkera WK-0701 PCM Format description by Shaul Eizikovich.
60 (downloaded from http://www.smartpropoplus.com/Docs/Walkera_Wk-0701_PCM.pdf)
63 -------------
69     +---------+      +------+
71   --+         +------+      +---
74 -----
81 ------------
98 (Warning, pulses on ACK are inverted by transistor, irq is raised up on sync
102 ---------------------------
120 Walkera_Wk-0701_PCM.pdf.
123 --------------------