firmware: move narrowband_filter_set to rf_path.h|c

Author: antoinevg

firmware/common/hackrf_core.c

@@ -458,10 +458,3 @@ void trigger_enable(const bool enable)
 	fpga_set_trigger_enable(&fpga, enable);
 #endif
 }
-
-#ifdef PRALINE
-void narrowband_filter_set(const uint8_t value)
-{
-	gpio_write(platform_gpio()->aa_en, value & 1);
-}
-#endif

firmware/common/hackrf_core.h

@@ -76,10 +76,6 @@ void pin_setup(void);
 
 void trigger_enable(const bool enable);
 
-#ifdef PRALINE
-void narrowband_filter_set(const uint8_t value);
-#endif
-
 #ifdef __cplusplus
 }
 #endif

firmware/common/rf_path.c

@@ -603,3 +603,10 @@ void rf_path_set_antenna(rf_path_t* const rf_path, const uint_fast8_t enable)
 
 	hackrf_ui()->set_antenna_bias(enable);
 }
+
+#ifdef PRALINE
+void narrowband_filter_set(const uint8_t value)
+{
+	gpio_write(platform_gpio()->aa_en, value & 1);
+}
+#endif

firmware/common/rf_path.h

@@ -95,3 +95,7 @@ void rf_path_set_filter(rf_path_t* const rf_path, const rf_path_filter_t filter)
 
 void rf_path_set_lna(rf_path_t* const rf_path, const uint_fast8_t enable);
 void rf_path_set_antenna(rf_path_t* const rf_path, const uint_fast8_t enable);
+
+#ifdef PRALINE
+void narrowband_filter_set(const uint8_t value);
+#endif