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资源说明：Test soft for ATmega node
testmega.c - > for testing and calibrating RFM22 with Atmega16.Master node connects directly to PC, others need RS232 adapters. Very crude, but works.Connection parameters: 115200, no parity check, 8 data bits, 1 stop bit, no flow control.Setup control by DIP switches as follows.Use DIP switches 1 to 4. Setup no. DIP kbit/s Δf [kHz] 0 0000 20 40 1 0001 2,4 4,8 2 0010 2,4 36 3 0011 4,8 4,8 4 0100 4,8 45 5 0101 10 5 6 0110 10 40 7 0111 20 10 8 1000 40 20 9 1001 40 40 10 1010 100 50 11 1011 100 300 Supported commands: D - read all 128 registers of RFM22 R xx - read register content on address xx, where xx is in hex W xx yy - write yy value on address xx, where xx and yy are in hex S - stop TX, go to READY mode T - start TX F - select frequency modulation (FSK) G - select gaussian frequency modulation (GFSK, BT=0.5) O - select discrete amplitude modulation (ASK,OOK) C - select carrier only (CW) P - transmit with modulation source ->data from PN9 random number generator N - transmit with modulation source ->data from internal buffer 1 - test packet mode-> start transmitting packets of predefined structure 2 - test packet mode-> start receiving packets of predefined structure
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