CT_AGC_STEP_1
*tune_state = CT_AGC_STEP_1;
if (*tune_state == CT_AGC_STEP_1) { /* quickly go to the correct range of the ADC power */
*tune_state = CT_AGC_STEP_1;
case CT_AGC_STEP_1:
else if (tune_state == CT_AGC_STEP_1) {