From 6193cdd59b589abe4fed3eb031c388d09a7bf71c Mon Sep 17 00:00:00 2001
From: Mikhail Yudin <fagci.nsk@gmail.com>
Date: Thu, 5 Oct 2023 01:17:17 +0700
Subject: [PATCH] feat: presets when entering to spectrum

---
 app/spectrum.c | 15 +++++++++++++++
 app/spectrum.h | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)

diff --git a/app/spectrum.c b/app/spectrum.c
index 12844db..7602409 100644
--- a/app/spectrum.c
+++ b/app/spectrum.c
@@ -1368,6 +1368,19 @@ static void Tick() {
   }
 }
 
+static void AutomaticPresetChoose(uint32_t f) {
+  for (int i = 0; i < ARRAY_SIZE(freqPresets); ++i) {
+    FreqPreset p = freqPresets[i];
+    if (f >= p.fStart && f <= freqPresets[i].fEnd) {
+      currentFreq = p.fStart;
+      settings.scanStepIndex = p.stepSizeIndex;
+      settings.listenBw = p.listenBW;
+      settings.modulationType = p.modulationType;
+      settings.stepsCount = p.stepsCountIndex;
+    }
+  }
+}
+
 void APP_RunSpectrum() {
   // TX here coz it always? set to active VFO
   VFO_Info_t vfo = gEeprom.VfoInfo[gEeprom.TX_CHANNEL];
@@ -1379,6 +1392,8 @@ void APP_RunSpectrum() {
                           : BANDWIDTH_NARROW;
   settings.modulationType = vfo.IsAM ? MOD_AM : MOD_FM;
 
+  AutomaticPresetChoose(currentFreq);
+
   BackupRegisters();
 
   redrawStatus = true;
diff --git a/app/spectrum.h b/app/spectrum.h
index aee5cd5..04013a4 100644
--- a/app/spectrum.h
+++ b/app/spectrum.h
@@ -169,6 +169,41 @@ typedef struct PeakInfo {
   uint32_t f;
 } PeakInfo;
 
+typedef struct FreqPreset {
+  const char name[16];
+  const uint32_t fStart;
+  const uint32_t fEnd;
+  const StepsCount stepsCountIndex;
+  const uint8_t stepSizeIndex;
+  const ModulationType modulationType;
+  const BK4819_FilterBandwidth_t listenBW;
+} FreqPreset;
+
+static const FreqPreset freqPresets[] = {
+    {"CB", 2697500, 2785500, STEPS_128, S_STEP_5_0kHz, MOD_FM,
+     BK4819_FILTER_BW_NARROW},
+    {"17m", 1806800, 1831800, STEPS_128, S_STEP_1_0kHz, MOD_USB,
+     BK4819_FILTER_BW_NARROWER},
+    {"15m", 2100000, 2145000, STEPS_128, S_STEP_1_0kHz, MOD_USB,
+     BK4819_FILTER_BW_NARROWER},
+    {"12m", 2489000, 2514000, STEPS_128, S_STEP_1_0kHz, MOD_USB,
+     BK4819_FILTER_BW_NARROWER},
+    {"10m", 2800000, 2970000, STEPS_128, S_STEP_1_0kHz, MOD_USB,
+     BK4819_FILTER_BW_NARROWER},
+    {"2m", 14400000, 14600000, STEPS_128, S_STEP_25_0kHz, MOD_FM,
+     BK4819_FILTER_BW_NARROW},
+    {"AIR", 11800000, 13500000, STEPS_128, S_STEP_100_0kHz, MOD_AM,
+     BK4819_FILTER_BW_NARROW},
+    {"JD1", 15175000, 15400000, STEPS_128, S_STEP_25_0kHz, MOD_FM,
+     BK4819_FILTER_BW_NARROW},
+    {"JD2", 15500000, 15600000, STEPS_64, S_STEP_25_0kHz, MOD_FM,
+     BK4819_FILTER_BW_NARROW},
+    {"LPD", 43307500, 43477500, STEPS_128, S_STEP_25_0kHz, MOD_FM,
+     BK4819_FILTER_BW_NARROW},
+    {"PMR", 44600625, 44620000, STEPS_32, S_STEP_6_25kHz, MOD_FM,
+     BK4819_FILTER_BW_NARROW},
+};
+
 void APP_RunSpectrum(void);
 
 #endif /* ifndef SPECTRUM_H */