The case now, hope to launch using sx1278 off-the-shelf modules (sell) taobao has a lot of 1 w module, receiving with homebred GFSK receiving chip,
At present domestic chip, launch to receive a one-way communication is no problem,
The parameters of the receiving configuration:
The frequency of 433.92 M
Rate of 10 k
Deviation allowed 20 k
Six leading byte, 2 bytes synchronous code, 4 bytes of data,
According to the domestic receiving side, as long as the frequency, bitrate, leading + synchronization word, received through two-way data output demodulation,
Then I sx1278 launch:
Frequency can't configuration to a positive number 433920000 (433919982.9), the signal can be tested,
10 k bitrate (can configure a positive number, the use of double communication this clock can be measured)
Deviation allowed 20 k (I believe this launch parameters effect is not big, I still to concur with receiving configuration)
Six leading byte, 2 bytes synchronous code, 4 bytes of data, and receive consistent,
Transmitter using a gaussian filter -- tried to close, BT=0.5, BT=1, BT=0.3, the configuration is not successful,
Launch the CRC has been closed, domestic receives no support,
Currently receiving still can't received the data demodulation, consult predecessors such GFSK, any parameter point is I overlooked?