mckero/uv-k1-k5v3-firmware-custom
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mirror of https://github.com/armel/uv-k1-k5v3-firmware-custom.git synced 2026-10-02 03:15:37 +00:00
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Major code optimization (536 bytes saved)

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kusy committed 2026-03-04 14:10:02 +00:00
1 parent 4b8f8cf22a
commit 28500e1667
12 files changed
+157 -315
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App/app/fm.c
+19 -50
View File
@@ -182,65 +182,38 @@ void FM_PlayAndUpdate(void)
int FM_CheckFrequencyLock(uint16_t Frequency, uint16_t LowerLimit)
{
int ret = -1;
const uint16_t Test2 = BK1080_ReadRegister(BK1080_REG_07);
// This is supposed to be a signed value, but above function is unsigned
const uint16_t Deviation = BK1080_REG_07_GET_FREQD(Test2);
if (BK1080_REG_07_GET_SNR(Test2) <= 2) {
BK1080_FrequencyDeviation = Deviation;
BK1080_BaseFrequency = Frequency;
return ret;
}
const uint16_t Status = BK1080_ReadRegister(BK1080_REG_10);
if ((Status & BK1080_REG_10_MASK_AFCRL) != BK1080_REG_10_AFCRL_NOT_RAILED || BK1080_REG_10_GET_RSSI(Status) < 10) {
BK1080_FrequencyDeviation = Deviation;
BK1080_BaseFrequency = Frequency;
BK1080_FrequencyDeviation = Deviation;
BK1080_BaseFrequency = Frequency;
return ret;
}
if (BK1080_REG_07_GET_SNR(Test2) <= 2)
return -1;
if ((Status & BK1080_REG_10_MASK_AFCRL) != BK1080_REG_10_AFCRL_NOT_RAILED || BK1080_REG_10_GET_RSSI(Status) < 10)
return -1;
//if (Deviation > -281 && Deviation < 280)
if (Deviation >= 280 && Deviation <= 3815) {
BK1080_FrequencyDeviation = Deviation;
BK1080_BaseFrequency = Frequency;
return ret;
}
if (Deviation >= 280 && Deviation <= 3815)
return -1;
// not BLE(less than or equal)
if (Frequency > LowerLimit && (Frequency - BK1080_BaseFrequency) == 1) {
if (BK1080_FrequencyDeviation & 0x800 || (BK1080_FrequencyDeviation < 20))
{
BK1080_FrequencyDeviation = Deviation;
BK1080_BaseFrequency = Frequency;
return ret;
}
if ((BK1080_FrequencyDeviation & 0x800) || (BK1080_FrequencyDeviation < 20))
return -1;
}
// not BLT(less than)
if (Frequency >= LowerLimit && (BK1080_BaseFrequency - Frequency) == 1) {
if ((BK1080_FrequencyDeviation & 0x800) == 0 || (BK1080_FrequencyDeviation > 4075))
{
BK1080_FrequencyDeviation = Deviation;
BK1080_BaseFrequency = Frequency;
return ret;
}
return -1;
}
ret = 0;
BK1080_FrequencyDeviation = Deviation;
BK1080_BaseFrequency = Frequency;
return ret;
return 0;
}
static void Key_DIGITS(KEY_Code_t Key, uint8_t state)
@@ -501,6 +474,10 @@ static void Key_UP_DOWN(uint8_t state, int8_t Step)
return;
}
if (!gEeprom.SET_NAV) {
Step = -Step;
}
if (gAskToSave) {
gRequestDisplayScreen = DISPLAY_FM;
gFM_ChannelPosition = NUMBER_AddWithWraparound(gFM_ChannelPosition, Step, 0, FM_CHANNELS_MAX - 1);
@@ -561,16 +538,8 @@ void FM_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
Key_MENU(state);
break;
case KEY_UP:
if(gEeprom.SET_NAV == 0)
Key_UP_DOWN(state, -1);
else
Key_UP_DOWN(state, 1);
break;
case KEY_DOWN:
if(gEeprom.SET_NAV == 0)
Key_UP_DOWN(state, 1);
else
Key_UP_DOWN(state, -1);
Key_UP_DOWN(state, Key == KEY_UP ? 1 : -1);
break;
case KEY_EXIT:
Key_EXIT(state);