This project extends the RCSwitch library to support the Chacon 54662 power outlet sockets, and provides a simple program to send binary codes. It has only been tested on a Raspberry Pi.
To compile this program, make sure you have built and installed the WiringPi library first.
Then execute make in the code directory and you should obtain the send program.
The send.sh wrapper script makes use of flock to prevent concurrent calls using a file lock.
Connect a 433MHz transmitter to the GPIO pin of your choice on a Raspberry Pi (see the pin numbering documentation).
Then execute ./send.sh <gpio pin> <code word> [repeat count] where the code word is a 24-bit binary code (see protocol and samples below).
For example: ./send.sh 0 010111110010101011100011 3
The following information has been deduced from captures of an original remote control, and may not be 100% correct. See the RCSwitch Add New Remote tutorial for more information.
The Chacon 54662 protocol as emitted by the original remote control is made of:
- 4 frames encoded with "A" timings
- 4 frames encoded with "B" timings
Each frame starts with a sync bit followed by 24 bits:
- 4 bits static code 0101
- 16 bits rotating code
- 4 bits socket code
Rotating codes likely depend on the remote control (see samples below), and each button has 4 rotating codes. Codes are reused between buttons/states:
- A/ON = C/OFF
- B/ON = D/OFF
- C/ON = A/OFF
- D/ON = B/OFF
Socket codes:
- A: 0011
- B: 1010
- C: 0001
- D: 1000
Timings observed during capture, in microseconds:
| Bit | "A" timings | "B" timings |
|---|---|---|
| Sync | 290 HIGH + 2400 LOW | 3000 HIGH + 7300 LOW |
| Bit 0 | 1070 HIGH + 470 LOW | 940 HIGH + 600 LOW |
| Bit 1 | 290 HIGH + 1250 LOW | 420 HIGH + 1120 LOW |
The following codes have been captured from an original remote:
| Button | ON | OFF |
|---|---|---|
| A | 010111110010101011100011 010111000110111010100011 010101010011001001010011 010100100100101110010011 | 010101100000010001000011 010100111100100010000011 010111011101001111010011 010110101111110001110011 |
| B | 010101000101110111001010 010110111000011100001010 010111101011011000011010 010100001010000111111010 | 010110001001100101101010 010100011110010100101010 010101110001000010111010 010110010111111100111010 |
| C | 010101100000010001000001 010100111100100010000001 010111011101001111010001 010110101111110001110001 | 010111110010101011100001 010111000110111010100001 010101010011001001010001 010100100100101110010001 |
| D | 010110001001100101101000 010100011110010100101000 010101110001000010111000 010110010111111100111000 | 010101000101110111001000 010110111000011100001000 010111101011011000011000 010100001010000111111000 |
For example, use:
/send.sh 0 010111110010101011100011to simulate Button A ON/send.sh 0 010101100000010001000011to simulate Button A OFF