Modified to work with RadioLib Arduino CC1101 library from Flipper Zero firmware
Frequency Analayzer Started!
COARSE Frequency: 314.98 RSSI: -53
COARSE Frequency: 314.98 RSSI: -52
FINE Frequency: 433.83 RSSI: -74
COARSE Frequency: 433.89 RSSI: -32
FINE Frequency: 433.94 RSSI: -32
FINE Frequency: 433.93 RSSI: -34
COARSE Frequency: 915.00 RSSI: -77
COARSE Frequency: 915.00 RSSI: -70
FINE Frequency: 915.04 RSSI: -70