small docs

src/pifmrds/pi_fm_rds.cpp

@@ -46,7 +46,7 @@ static volatile uint32_t *pad_reg;
 #else
 #error Unknown Raspberry Pi version (variable PI)
 #endif
-
+//i dunno it for pi 5, but rp1 is gonna steer the io: https://datasheets.raspberrypi.com/rp1/rp1-peripherals.pdf
 #define SUBSIZE 512
 #define DATA_SIZE 5000
 #define PAD_LEN                         (0x40/4) //0x64
@@ -227,11 +227,8 @@ int main(int argc, char **argv) {
     double preemp = 50e-6; //eu
     int deviation = 75000;
     int alternative_freq[100] = {};
-   
     float ppm = 0;
-
     int custom_deviation = 0;
-    
     // Parse command-line arguments
     for(int i=1; i<argc; i++) {
         char *arg = argv[i];