"CW generator" and "Whistle" merged in "Signal generator"

Added wave shape selection and tone frequency auto-update
Converted color icons to B&W

firmware/application/baseband_api.cpp

@@ -23,6 +23,7 @@
 #include "baseband_api.hpp"
 
 #include "audio.hpp"
+#include "tonesets.hpp"
 #include "dsp_iir_config.hpp"
 
 #include "portapack_shared_memory.hpp"
@@ -228,6 +229,20 @@ void set_spectrum(const size_t sampling_rate, const size_t trigger) {
 	send_message(&message);
 }
 
+void set_siggen_tone(const uint32_t tone) {
+	const SigGenToneMessage message {
+		TONES_F2D(tone)
+	};
+	send_message(&message);
+}
+
+void set_siggen_config(const uint32_t bw, const uint32_t shape, const uint32_t duration) {
+	const SigGenConfigMessage message {
+		bw, shape, duration * TONES_SAMPLERATE
+	};
+	send_message(&message);
+}
+
 static bool baseband_image_running = false;
 
 void run_image(const portapack::spi_flash::image_tag_t image_tag) {