OpenModem/Modem/config.h

#ifndef FSK_CFG
#define FSK_CFG

#define CONFIG_AFSK_RX_BUFLEN 64			// The size of the modems receive buffer
#define CONFIG_AFSK_TX_BUFLEN 64			// The size of the modems transmit buffer
#define CONFIG_AFSK_DAC_SAMPLERATE 9600		// The samplerate of the DAC. Note that
											// changing it here will not change the
											// actual sample rate. It is defined here
											// so various functions can use it.
#define CONFIG_AFSK_RXTIMEOUT 0				// How long a read operation from the modem
											// will wait for data before timing out.

#define CONFIG_AFSK_PREAMBLE_LEN 250UL		// The length of the packet preamble in milliseconds
#define CONFIG_AFSK_TRAILER_LEN 20UL		// The length of the packet tail in milliseconds

#endif