Do some stuff

driver/bk4819.c

@@ -42,7 +42,7 @@ static uint16_t gBK4819_GpioOutState;
 
 bool gRxIdleMode;
 
-__inline uint16_t scale_freq(const uint16_t freq)
+__inline uint16_t scale_freq(uint16_t freq)
 {
 //  return (((uint32_t)freq * 1032444u) + 50000u) / 100000u;   // with rounding
     return (((uint32_t)freq * 1353245u) + (1u << 16)) >> 17;   // with rounding

driver/bk4819.h

@@ -65,6 +65,8 @@ typedef enum BK4819_CssScanResult_t BK4819_CssScanResult_t;
 // radio is asleep, not listening
 extern bool gRxIdleMode;
 
+uint16_t scale_freq(uint16_t freq);
+
 void     BK4819_Init(void);
 uint16_t BK4819_ReadRegister(BK4819_REGISTER_t Register);
 void     BK4819_WriteRegister(BK4819_REGISTER_t Register, uint16_t Data);