//Datarate=9600bps Dev=4.8K
spi_write(0x9c, 0x2b);
spi_write(0xa0, 0x68);
spi_write(0xa1, 0x01);
spi_write(0xa2, 0x3a);
spi_write(0xa3, 0x93);
spi_write(0xa4, 0x04);
spi_write(0xa5, 0xee);
spi_write(0x9d, 0x40);
spi_write(0x9e, 0x0a);
spi_write(0xaa, 0x1e);
spi_write(0x9f, 0x03);
spi_write(0xe9, 0x60);
这是测试接收灵敏度时候的IF滤波器相关的七个寄存器的相关设置
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