{
KFile fd;
+ int adc_ch;
+ int dac_ch;
+
/** Current sample of bit for output data. */
uint8_t sample_count;
void afsk_adc_isr(Afsk *af, int8_t curr_sample);
void afsk_dac_isr(Afsk *af);
-void afsk_init(Afsk *af);
+void afsk_init(Afsk *af, int adc_ch, int dac_ch);
/**