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RX fixed bandwidth adjustments + squelch sensitivity adjustments

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OneOfEleven 2023-10-05 12:42:40 +01:00
parent b343993a72
commit 9b2ce88a72
6 changed files with 580 additions and 444 deletions
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10
README.md
View File

@ -61,13 +61,13 @@ ENABLE_COPY_CHAN_TO_VFO := 1 copy current channel into the other VFO
# New/modified function keys # New/modified function keys
* Long-press 'M' = Copy selected channel into same VFO, then switch VFO to frequency mode * Long-press 'M' .. Copy selected channel into same VFO, then switch VFO to frequency mode
* *
* Long-press '7' = Toggle selected channel scanlist setting .. if VOX is disable in Makefile * Long-press '7' .. Toggle selected channel scanlist setting .. if VOX is disabled in Makefile
or * or
* Long-press '5' = Toggle selected channel scanlist setting .. if NOAA is disable in Makefile * Long-press '5' .. Toggle selected channel scanlist setting .. if NOAA is disabled in Makefile
* *
* Long-press '*' = Start scanning, then toggle scanlist scan 1, 2 or ALL channels (if in channel scan mode) * Long-press '*' .. Start scanning, then toggles scanlist scan 1, 2 or ALL channel scanning
# Some changes made from the Quansheng firmware # Some changes made from the Quansheng firmware

6
app/app.c
View File

@ -152,7 +152,7 @@ static void APP_CheckForIncoming(void)
gUpdateStatus = true; gUpdateStatus = true;
} }
else else
{ { // RF scanning
if (gRxReceptionMode != RX_MODE_NONE) if (gRxReceptionMode != RX_MODE_NONE)
{ {
if (gCurrentFunction != FUNCTION_INCOMING) if (gCurrentFunction != FUNCTION_INCOMING)
@ -163,7 +163,6 @@ static void APP_CheckForIncoming(void)
updateRSSI(gEeprom.RX_VFO); updateRSSI(gEeprom.RX_VFO);
gUpdateRSSI = true; gUpdateRSSI = true;
} }
return; return;
} }
@ -1068,7 +1067,8 @@ void APP_Update(void)
#else #else
if (gScreenToDisplay != DISPLAY_SCANNER && gScanState != SCAN_OFF && gScheduleScanListen && !gPttIsPressed) if (gScreenToDisplay != DISPLAY_SCANNER && gScanState != SCAN_OFF && gScheduleScanListen && !gPttIsPressed)
#endif #endif
{ { // scanning
if (IS_FREQ_CHANNEL(gNextMrChannel)) if (IS_FREQ_CHANNEL(gNextMrChannel))
{ {
if (gCurrentFunction == FUNCTION_INCOMING) if (gCurrentFunction == FUNCTION_INCOMING)

18
app/main.c
View File

@ -549,15 +549,23 @@ static void MAIN_Key_MENU(const bool bKeyPressed, const bool bKeyHeld)
#ifdef ENABLE_COPY_CHAN_TO_VFO #ifdef ENABLE_COPY_CHAN_TO_VFO
if (gEeprom.VFO_OPEN && if (gEeprom.VFO_OPEN && gCssScanMode == CSS_SCAN_MODE_OFF)
gScanState == SCAN_OFF && {
gCssScanMode == CSS_SCAN_MODE_OFF)
{ // copy channel to VFO if (gScanState != SCAN_OFF)
{
if (gCurrentFunction != FUNCTION_INCOMING ||
gRxReceptionMode == RX_MODE_NONE ||
ScanPauseDelayIn_10ms == 0)
{ // scan is running (not paused)
return;
}
}
const unsigned int vfo = get_rx_VFO(); const unsigned int vfo = get_rx_VFO();
if (IS_MR_CHANNEL(gEeprom.ScreenChannel[vfo])) if (IS_MR_CHANNEL(gEeprom.ScreenChannel[vfo]))
{ // swap to the VFO { // copy channel to VFO, then swap to the VFO
const unsigned int channel = FREQ_CHANNEL_FIRST + gEeprom.VfoInfo[vfo].Band; const unsigned int channel = FREQ_CHANNEL_FIRST + gEeprom.VfoInfo[vfo].Band;

624
driver/bk4819.c
View File

@ -58,21 +58,21 @@ void BK4819_Init(void)
BK4819_WriteRegister(BK4819_REG_7D, 0xE940); BK4819_WriteRegister(BK4819_REG_7D, 0xE940);
// RX AF level // REG_48 .. RX AF level
// //
// REG_48 <15:12> 11 ??? 0 to 15 // <15:12> 11 ??? 0 to 15
// //
// REG_48 <11:10> 0 AF Rx Gain-1 // <11:10> 0 AF Rx Gain-1
// 0 = 0dB // 0 = 0dB
// 1 = -6dB // 1 = -6dB
// 2 = -12dB // 2 = -12dB
// 3 = -18dB // 3 = -18dB
// //
// REG_48 <9:4> 60 AF Rx Gain-2 -26dB ~ 5.5dB 0.5dB/step // <9:4> 60 AF Rx Gain-2 -26dB ~ 5.5dB 0.5dB/step
// 63 = max // 63 = max
// 0 = mute // 0 = mute
// //
// REG_48 <3:0> 15 AF DAC Gain (after Gain-1 and Gain-2) approx 2dB/step // <3:0> 15 AF DAC Gain (after Gain-1 and Gain-2) approx 2dB/step
// 15 = max // 15 = max
// 0 = min // 0 = min
// //
@ -236,33 +236,37 @@ void BK4819_SetAGC(uint8_t Value)
{ {
if (Value == 0) if (Value == 0)
{ {
// REG_10 <15:0> 0x0038 Rx AGC Gain Table[0]. (Index Max->Min is 3,2,1,0,-1) // REG_10
// //
// <9:8> = LNA Gain Short // 0x0038 Rx AGC Gain Table[0]. (Index Max->Min is 3,2,1,0,-1)
// 3 = 0dB //
// <15:10> ???
//
// <9:8> LNA Gain Short
// 3 = 0dB <<<
// 2 = -24dB // was -11 // 2 = -24dB // was -11
// 1 = -30dB // was -16 // 1 = -30dB // was -16
// 0 = -33dB // was -19 // 0 = -33dB // was -19
// //
// <7:5> = LNA Gain // <7:5> LNA Gain
// 7 = 0dB // 7 = 0dB
// 6 = -2dB // 6 = -2dB
// 5 = -4dB // 5 = -4dB
// 4 = -6dB // 4 = -6dB
// 3 = -9dB // 3 = -9dB
// 2 = -14dB // 2 = -14dB <<<
// 1 = -19dB // 1 = -19dB
// 0 = -24dB // 0 = -24dB
// //
// <4:3> = MIXER Gain // <4:3> MIXER Gain
// 3 = 0dB // 3 = 0dB <<<
// 2 = -3dB // 2 = -3dB
// 1 = -6dB // 1 = -6dB
// 0 = -8dB // 0 = -8dB
// //
// <2:0> = PGA Gain // <2:0> PGA Gain
// 7 = 0dB // 7 = 0dB
// 6 = -3dB // 6 = -3dB <<<
// 5 = -6dB // 5 = -6dB
// 4 = -9dB // 4 = -9dB
// 3 = -15dB // 3 = -15dB
@ -270,11 +274,6 @@ void BK4819_SetAGC(uint8_t Value)
// 1 = -27dB // 1 = -27dB
// 0 = -33dB // 0 = -33dB
// //
// LNA_SHORT .. 0dB
// LNA ........ 14dB
// MIXER ...... 0dB
// PGA ........ -3dB
//
BK4819_WriteRegister(BK4819_REG_13, (3u << 8) | (2u << 5) | (3u << 3) | (6u << 0)); // 000000 11 101 11 110 BK4819_WriteRegister(BK4819_REG_13, (3u << 8) | (2u << 5) | (3u << 3) | (6u << 0)); // 000000 11 101 11 110
BK4819_WriteRegister(BK4819_REG_12, 0x037B); // 000000 11 011 11 011 BK4819_WriteRegister(BK4819_REG_12, 0x037B); // 000000 11 011 11 011
@ -287,20 +286,23 @@ void BK4819_SetAGC(uint8_t Value)
} }
else else
if (Value == 1) if (Value == 1)
{ // what does this do ????????? { // what does this do ???
unsigned int i; unsigned int i;
// REG_10 // REG_10
// <15:0> 0x0038 Rx AGC Gain Table[0]. (Index Max->Min is 3,2,1,0,-1)
// //
// <9:8> = LNA Gain Short // 0x0038 Rx AGC Gain Table[0]. (Index Max->Min is 3,2,1,0,-1)
//
// (15:10> ???
//
// <9:8> LNA Gain Short
// 3 = 0dB << original // 3 = 0dB << original
// 2 = -24dB // was -11 // 2 = -24dB // was -11
// 1 = -30dB // was -16 // 1 = -30dB // was -16
// 0 = -33dB // was -19 // 0 = -33dB // was -19
// //
// <7:5> = LNA Gain // <7:5> LNA Gain
// 7 = 0dB // 7 = 0dB
// 6 = -2dB // 6 = -2dB
// 5 = -4dB // 5 = -4dB
@ -310,13 +312,13 @@ void BK4819_SetAGC(uint8_t Value)
// 1 = -19dB // 1 = -19dB
// 0 = -24dB // 0 = -24dB
// //
// <4:3> = MIXER Gain // <4:3> MIXER Gain
// 3 = 0dB << original // 3 = 0dB << original
// 2 = -3dB // 2 = -3dB
// 1 = -6dB // 1 = -6dB
// 0 = -8dB // 0 = -8dB
// //
// <2:0> = PGA Gain // <2:0> PGA Gain
// 7 = 0dB // 7 = 0dB
// 6 = -3dB << original // 6 = -3dB << original
// 5 = -6dB // 5 = -6dB
@ -357,15 +359,42 @@ void BK4819_ToggleGpioOut(BK4819_GPIO_PIN_t Pin, bool bSet)
void BK4819_SetCDCSSCodeWord(uint32_t CodeWord) void BK4819_SetCDCSSCodeWord(uint32_t CodeWord)
{ {
// REG_51 <15> 0 1 = Enable TxCTCSS/CDCSS 0 = Disable // REG_51
// REG_51 <14> 0 1 = GPIO0Input for CDCSS 0 = Normal Mode.(for BK4819v3) //
// REG_51 <13> 0 1 = Transmit negative CDCSS code 0 = Transmit positive CDCSScode // <15> 0
// REG_51 <12> 0 CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS // 1 = Enable TxCTCSS/CDCSS
// REG_51 <11> 0 CDCSS 24/23bit selection 1 = 24bit 0 = 23bit // 0 = Disable
// REG_51 <10> 0 1050HzDetectionMode 1 = 1050/4 Detect Enable, CTC1 should be set to 1050/4 Hz //
// REG_51 <9> 0 Auto CDCSS Bw Mode 1 = Disable 0 = Enable. // <14> 0
// REG_51 <8> 0 Auto CTCSS Bw Mode 0 = Enable 1 = Disable // 1 = GPIO0Input for CDCSS
// REG_51 <6:0> 0 CTCSS/CDCSS Tx Gain1 Tuning 0 = min 127 = max // 0 = Normal Mode (for BK4819 v3)
//
// <13> 0
// 1 = Transmit negative CDCSS code
// 0 = Transmit positive CDCSS code
//
// <12> 0 CTCSS/CDCSS mode selection
// 1 = CTCSS
// 0 = CDCSS
//
// <11> 0 CDCSS 24/23bit selection
// 1 = 24bit
// 0 = 23bit
//
// <10> 0 1050HzDetectionMode
// 1 = 1050/4 Detect Enable, CTC1 should be set to 1050/4 Hz
//
// <9> 0 Auto CDCSS Bw Mode
// 1 = Disable
// 0 = Enable
//
// <8> 0 Auto CTCSS Bw Mode
// 0 = Enable
// 1 = Disable
//
// <6:0> 0 CTCSS/CDCSS Tx Gain1 Tuning
// 0 = min
// 127 = max
// Enable CDCSS // Enable CDCSS
// Transmit positive CDCSS code // Transmit positive CDCSS code
@ -376,15 +405,15 @@ void BK4819_SetCDCSSCodeWord(uint32_t CodeWord)
// CTCSS/CDCSS Tx Gain1 Tuning = 51 // CTCSS/CDCSS Tx Gain1 Tuning = 51
// //
BK4819_WriteRegister(BK4819_REG_51, BK4819_WriteRegister(BK4819_REG_51,
BK4819_REG_51_ENABLE_CxCSS BK4819_REG_51_ENABLE_CxCSS |
| BK4819_REG_51_GPIO6_PIN2_NORMAL BK4819_REG_51_GPIO6_PIN2_NORMAL |
| BK4819_REG_51_TX_CDCSS_POSITIVE BK4819_REG_51_TX_CDCSS_POSITIVE |
| BK4819_REG_51_MODE_CDCSS BK4819_REG_51_MODE_CDCSS |
| BK4819_REG_51_CDCSS_23_BIT BK4819_REG_51_CDCSS_23_BIT |
| BK4819_REG_51_1050HZ_NO_DETECTION BK4819_REG_51_1050HZ_NO_DETECTION |
| BK4819_REG_51_AUTO_CDCSS_BW_ENABLE BK4819_REG_51_AUTO_CDCSS_BW_ENABLE |
| BK4819_REG_51_AUTO_CTCSS_BW_ENABLE BK4819_REG_51_AUTO_CTCSS_BW_ENABLE |
| (51u << BK4819_REG_51_SHIFT_CxCSS_TX_GAIN1)); (51u << BK4819_REG_51_SHIFT_CxCSS_TX_GAIN1));
// REG_07 <15:0> // REG_07 <15:0>
// //
@ -515,7 +544,10 @@ void BK4819_EnableVox(uint16_t VoxEnableThreshold, uint16_t VoxDisableThreshold)
void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const bool weak_no_different) void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const bool weak_no_different)
{ {
// REG_43 <14:12> 4 RF filter bandwidth // REG_43
// <15> 0 ???
//
// <14:12> 4 RF filter bandwidth
// 0 = 1.7 kHz // 0 = 1.7 kHz
// 1 = 2.0 kHz // 1 = 2.0 kHz
// 2 = 2.5 kHz // 2 = 2.5 kHz
@ -524,9 +556,9 @@ void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const b
// 5 = 4.0 kHz // 5 = 4.0 kHz
// 6 = 4.25 kHz // 6 = 4.25 kHz
// 7 = 4.5 kHz // 7 = 4.5 kHz
// if REG_43 <5> == 1 RF filter bandwidth * 2 // if <5> == 1, RF filter bandwidth * 2
// //
// REG_43 <11:9> 0 RF filter bandwidth when signal is weak // <11:9> 0 RF filter bandwidth when signal is weak
// 0 = 1.7 kHz // 0 = 1.7 kHz
// 1 = 2.0 kHz // 1 = 2.0 kHz
// 2 = 2.5 kHz // 2 = 2.5 kHz
@ -535,9 +567,9 @@ void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const b
// 5 = 4.0 kHz // 5 = 4.0 kHz
// 6 = 4.25 kHz // 6 = 4.25 kHz
// 7 = 4.5 kHz // 7 = 4.5 kHz
// if REG_43 <5> == 1 RF filter bandwidth * 2 // if <5> == 1, RF filter bandwidth * 2
// //
// REG_43 <8:6> 1 AFTxLPF2 filter Band Width // <8:6> 1 AFTxLPF2 filter Band Width
// 1 = 2.5 kHz (for 12.5k channel space) // 1 = 2.5 kHz (for 12.5k channel space)
// 2 = 2.75 kHz // 2 = 2.75 kHz
// 0 = 3.0 kHz (for 25k channel space) // 0 = 3.0 kHz (for 25k channel space)
@ -547,99 +579,107 @@ void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const b
// 6 = 4.0 kHz // 6 = 4.0 kHz
// 7 = 3.75 kHz // 7 = 3.75 kHz
// //
// REG_43 <5:4> 0 BW Mode Selection // <5:4> 0 BW Mode Selection
// 1 = 6.25k
// 0 = 12.5k // 0 = 12.5k
// 1 = 6.25k
// 2 = 25k/20k // 2 = 25k/20k
// //
// REG_43 <2> 0 Gain after FM Demodulation // <3> 1 ???
//
// <2> 0 Gain after FM Demodulation
// 0 = 0dB // 0 = 0dB
// 1 = 6dB // 1 = 6dB
//
// <1:0> 0 ???
if (Bandwidth == BK4819_FILTER_BW_WIDE) uint16_t val;
{ // 25kHz
switch (Bandwidth)
{
default:
case BK4819_FILTER_BW_WIDE: // 25kHz
if (weak_no_different) if (weak_no_different)
{ // make the RX bandwidth the same with weak signals (sounds better) { // make the RX bandwidth the same with weak signals
val =
BK4819_WriteRegister(BK4819_REG_43,
(0u << 15) | // 0 (0u << 15) | // 0
(3u << 12) | // 3 RF filter bandwidth (5u << 12) | // *3 RF filter bandwidth
(3u << 9) | // *0 RF filter bandwidth when signal is weak (5u << 9) | // *0 RF filter bandwidth when signal is weak
(6u << 6) | // *0 AFTxLPF2 filter Band Width (6u << 6) | // *0 AFTxLPF2 filter Band Width
(2u << 4) | // 2 BW Mode Selection (2u << 4) | // 2 BW Mode Selection
(1u << 3) | // 1 (1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation (0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0 (0u << 0); // 0
} }
else else
{ // with weak RX signals the RX bandwidth is reduced { // with weak RX signals the RX bandwidth is reduced
BK4819_WriteRegister(BK4819_REG_43, // 0x3028); // 0 011 000 000 10 1 0 00 val = // 0x3028); // 0 011 000 000 10 1 0 00
(0u << 15) | // 0 (0u << 15) | // 0
(3u << 12) | // 3 RF filter bandwidth (5u << 12) | // *3 RF filter bandwidth
(0u << 9) | // *0 RF filter bandwidth when signal is weak (2u << 9) | // *0 RF filter bandwidth when signal is weak
(6u << 6) | // *0 AFTxLPF2 filter Band Width (6u << 6) | // *0 AFTxLPF2 filter Band Width
(2u << 4) | // 2 BW Mode Selection (2u << 4) | // 2 BW Mode Selection
(1u << 3) | // 1 (1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation (0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0 (0u << 0); // 0
} }
} break;
else
if (Bandwidth == BK4819_FILTER_BW_NARROW) case BK4819_FILTER_BW_NARROW: // 12.5kHz
{ // 12.5kHz
if (weak_no_different) if (weak_no_different)
{ {
BK4819_WriteRegister(BK4819_REG_43, // 0x4048); // 0 100 000 001 00 1 0 00 val =
(0u << 15) | // 0 (0u << 15) | // 0
(3u << 12) | // 4 RF filter bandwidth (5u << 12) | // *4 RF filter bandwidth
(5u << 9) | // *0 RF filter bandwidth when signal is weak
(0u << 6) | // *1 AFTxLPF2 filter Band Width
(0u << 4) | // 0 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0); // 0
}
else
{
val = // 0x4048); // 0 100 000 001 00 1 0 00
(0u << 15) | // 0
(5u << 12) | // *4 RF filter bandwidth
(2u << 9) | // *0 RF filter bandwidth when signal is weak
(0u << 6) | // *1 AFTxLPF2 filter Band Width
(0u << 4) | // 0 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0); // 0
}
break;
case BK4819_FILTER_BW_NARROWER: // 6.25kHz
if (weak_no_different)
{
val =
(0u << 15) | // 0
(3u << 12) | // 3 RF filter bandwidth
(3u << 9) | // *0 RF filter bandwidth when signal is weak (3u << 9) | // *0 RF filter bandwidth when signal is weak
(0u << 6) | // *1 AFTxLPF2 filter Band Width
(0u << 4) | // 0 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0
}
else
{
BK4819_WriteRegister(BK4819_REG_43, // 0x4048); // 0 100 000 001 00 1 0 00
(0u << 15) | // 0
(3u << 12) | // 4 RF filter bandwidth
(0u << 9) | // *0 RF filter bandwidth when signal is weak
(0u << 6) | // *1 AFTxLPF2 filter Band Width
(0u << 4) | // 0 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0
}
}
else
if (Bandwidth == BK4819_FILTER_BW_NARROWER)
{ // 6.25kHz
if (weak_no_different)
{
BK4819_WriteRegister(BK4819_REG_43,
(0u << 15) | // 0
(2u << 12) | // 4 RF filter bandwidth
(2u << 9) | // 0 RF filter bandwidth when signal is weak
(1u << 6) | // 1 AFTxLPF2 filter Band Width (1u << 6) | // 1 AFTxLPF2 filter Band Width
(1u << 4) | // 1 BW Mode Selection (1u << 4) | // 1 BW Mode Selection
(1u << 3) | // 1 (1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation (0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0 (0u << 0); // 0
} }
else else
{ {
BK4819_WriteRegister(BK4819_REG_43, val =
(0u << 15) | // 0 (0u << 15) | // 0
(2u << 12) | // 4 RF filter bandwidth (3u << 12) | // 3 RF filter bandwidth
(0u << 9) | // 0 RF filter bandwidth when signal is weak (0u << 9) | // 0 RF filter bandwidth when signal is weak
(1u << 6) | // 1 AFTxLPF2 filter Band Width (1u << 6) | // 1 AFTxLPF2 filter Band Width
(1u << 4) | // 1 BW Mode Selection (1u << 4) | // 1 BW Mode Selection
(1u << 3) | // 1 (1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation (0u << 2) | // 1 Gain after FM Demodulation
(0u << 0)); // 0 (0u << 0); // 0
} }
break;
} }
BK4819_WriteRegister(BK4819_REG_43, val);
} }
void BK4819_SetupPowerAmplifier(const uint8_t bias, const uint32_t frequency) void BK4819_SetupPowerAmplifier(const uint8_t bias, const uint32_t frequency)
@ -680,18 +720,20 @@ void BK4819_SetupSquelch(
uint8_t SquelchCloseGlitchThresh, uint8_t SquelchCloseGlitchThresh,
uint8_t SquelchOpenGlitchThresh) uint8_t SquelchOpenGlitchThresh)
{ {
// REG_70 <15> 0 Enable TONE1 // REG_70
//
// <15> 0 Enable TONE1
// 1 = Enable // 1 = Enable
// 0 = Disable // 0 = Disable
// //
// REG_70 <14:8> 0 TONE1 tuning gain // <14:8> 0 TONE1 tuning gain
// 0 ~ 127 // 0 ~ 127
// //
// REG_70 <7> 0 Enable TONE2 // <7> 0 Enable TONE2
// 1 = Enable // 1 = Enable
// 0 = Disable // 0 = Disable
// //
// REG_70 <6:0> 0 TONE2/FSK tuning gain // <6:0> 0 TONE2/FSK tuning gain
// 0 ~ 127 // 0 ~ 127
// //
BK4819_WriteRegister(BK4819_REG_70, 0); BK4819_WriteRegister(BK4819_REG_70, 0);
@ -702,43 +744,51 @@ void BK4819_SetupSquelch(
// //
BK4819_WriteRegister(BK4819_REG_4D, 0xA000 | SquelchCloseGlitchThresh); BK4819_WriteRegister(BK4819_REG_4D, 0xA000 | SquelchCloseGlitchThresh);
// REG_4E <15:14> 1 ??? // REG_4E
// //
// REG_4E <13:11> 5 Squelch = 1 Delay Setting // <15:14> 1 ???
//
// <13:11> 5 Squelch = 1 Delay Setting
// 0 ~ 7 // 0 ~ 7
// //
// REG_4E <10: 9> 7 Squelch = 0 Delay Setting // <10:9> 7 Squelch = 0 Delay Setting
// 0 ~ 3 // 0 ~ 3
// //
// REG_4E < 8> 0 ??? // <8> 0 ???
// //
// REG_4E < 7: 0> 8 Glitch threshold for Squelch = 1 // <7:0> 8 Glitch threshold for Squelch = 1
// 0 ~ 255 // 0 ~ 255
// //
BK4819_WriteRegister(BK4819_REG_4E, // 01 101 11 1 00000000 BK4819_WriteRegister(BK4819_REG_4E, // 01 101 11 1 00000000
#ifndef ENABLE_FASTER_CHANNEL_SCAN #ifndef ENABLE_FASTER_CHANNEL_SCAN
// original // original
(1u << 14) // 1 ??? (1u << 14) | // 1 ???
| (5u << 11) // 5 squelch = 1 delay .. 0 ~ 7 (5u << 11) | // 5 squelch = 1 delay .. 0 ~ 7
| (3u << 9) // 3 squelch = 0 delay .. 0 ~ 3 (3u << 9) | // 3 squelch = 0 delay .. 0 ~ 3
| SquelchOpenGlitchThresh); // 0 ~ 255 SquelchOpenGlitchThresh); // 0 ~ 255
#else #else
// faster (but twitchier) // faster (but twitchier)
(1u << 14) // 1 ??? (1u << 14) | // 1 ???
| SquelchOpenGlitchThresh); // 0 ~ 255 SquelchOpenGlitchThresh); // 0 ~ 255
#endif #endif
// REG_4F <14:8> 47 Ex-noise threshold for Squelch = 0 // REG_4F
//
// <14:8> 47 Ex-noise threshold for Squelch = 0
// 0 ~ 127 // 0 ~ 127
// //
// REG_4F < 7> ??? // <7> ???
// //
// REG_4F < 6:0> 46 Ex-noise threshold for Squelch = 1 // <6:0> 46 Ex-noise threshold for Squelch = 1
// 0 ~ 127 // 0 ~ 127
//
BK4819_WriteRegister(BK4819_REG_4F, ((uint16_t)SquelchCloseNoiseThresh << 8) | SquelchOpenNoiseThresh); BK4819_WriteRegister(BK4819_REG_4F, ((uint16_t)SquelchCloseNoiseThresh << 8) | SquelchOpenNoiseThresh);
// REG_78 <15:8> 72 RSSI threshold for Squelch = 1 0.5dB/step // REG_78
// REG_78 < 7:0> 70 RSSI threshold for Squelch = 0 0.5dB/step //
// <15:8> 72 RSSI threshold for Squelch = 1 0.5dB/step
//
// <7:0> 70 RSSI threshold for Squelch = 0 0.5dB/step
// //
BK4819_WriteRegister(BK4819_REG_78, ((uint16_t)SquelchOpenRSSIThresh << 8) | SquelchCloseRSSIThresh); BK4819_WriteRegister(BK4819_REG_78, ((uint16_t)SquelchOpenRSSIThresh << 8) | SquelchCloseRSSIThresh);
@ -751,6 +801,7 @@ void BK4819_SetAF(BK4819_AF_Type_t AF)
{ {
// AF Output Inverse Mode = Inverse // AF Output Inverse Mode = Inverse
// Undocumented bits 0x2040 // Undocumented bits 0x2040
//
BK4819_WriteRegister(BK4819_REG_47, 0x6040 | (AF << 8)); BK4819_WriteRegister(BK4819_REG_47, 0x6040 | (AF << 8));
} }
@ -769,6 +820,7 @@ void BK4819_RX_TurnOn(void)
// Enable DSP // Enable DSP
// Enable XTAL // Enable XTAL
// Enable Band Gap // Enable Band Gap
//
BK4819_WriteRegister(BK4819_REG_37, 0x1F0F); // 0001111100001111 BK4819_WriteRegister(BK4819_REG_37, 0x1F0F); // 0001111100001111
// Turn off everything // Turn off everything
@ -782,6 +834,7 @@ void BK4819_RX_TurnOn(void)
// Disable MIC ADC // Disable MIC ADC
// Disable TX DSP // Disable TX DSP
// Enable RX DSP // Enable RX DSP
//
BK4819_WriteRegister(BK4819_REG_30, 0b1011111111110001); // 1 0 1111 1 1 1111 0 0 0 1 BK4819_WriteRegister(BK4819_REG_30, 0b1011111111110001); // 1 0 1111 1 1 1111 0 0 0 1
} }
@ -821,7 +874,7 @@ void BK4819_EnableScramble(uint8_t Type)
bool BK4819_CompanderEnabled(void) bool BK4819_CompanderEnabled(void)
{ {
return (BK4819_ReadRegister(BK4819_REG_31) & (1u < 3)) ? true : false; return (BK4819_ReadRegister(BK4819_REG_31) & (1u << 3)) ? true : false;
} }
void BK4819_SetCompander(const unsigned int mode) void BK4819_SetCompander(const unsigned int mode)
@ -839,47 +892,47 @@ void BK4819_SetCompander(const unsigned int mode)
return; return;
} }
// set the compressor ratio // REG_29
// //
// REG_29 <15:14> 10 Compress (AF Tx) Ratio // <15:14> 10 Compress (AF Tx) Ratio
// 00 = Disable // 00 = Disable
// 01 = 1.333:1 // 01 = 1.333:1
// 10 = 2:1 // 10 = 2:1
// 11 = 4:1 // 11 = 4:1
// //
// REG_29 <13:7> 86 Compress (AF Tx) 0 dB point (dB) // <13:7> 86 Compress (AF Tx) 0 dB point (dB)
// //
// REG_29 <6:0> 64 Compress (AF Tx) noise point (dB) // <6:0> 64 Compress (AF Tx) noise point (dB)
// //
const uint16_t compress_ratio = (mode == 1 || mode >= 3) ? 2 : 0; // 2:1 const uint16_t compress_ratio = (mode == 1 || mode >= 3) ? 2 : 0; // 2:1
const uint16_t compress_0dB = 86; const uint16_t compress_0dB = 86;
const uint16_t compress_noise_dB = 64; const uint16_t compress_noise_dB = 64;
// AB40 10 1010110 1000000 // AB40 10 1010110 1000000
BK4819_WriteRegister(BK4819_REG_29, // (BK4819_ReadRegister(BK4819_REG_29) & ~(3u < 14)) | (compress_ratio < 14)); BK4819_WriteRegister(BK4819_REG_29, // (BK4819_ReadRegister(BK4819_REG_29) & ~(3u << 14)) | (compress_ratio << 14));
(compress_ratio << 14) (compress_ratio << 14) |
| (compress_0dB << 7) (compress_0dB << 7) |
| (compress_noise_dB << 0)); (compress_noise_dB << 0));
// set the expander ratio // REG_28
// //
// REG_28 <15:14> 01 Expander (AF Rx) Ratio // <15:14> 01 Expander (AF Rx) Ratio
// 00 = Disable // 00 = Disable
// 01 = 1:2 // 01 = 1:2
// 10 = 1:3 // 10 = 1:3
// 11 = 1:4 // 11 = 1:4
// //
// REG_28 <13:7> 86 Expander (AF Rx) 0 dB point (dB) // <13:7> 86 Expander (AF Rx) 0 dB point (dB)
// //
// REG_28 <6:0> 56 Expander (AF Rx) noise point (dB) // <6:0> 56 Expander (AF Rx) noise point (dB)
// //
const uint16_t expand_ratio = (mode >= 2) ? 1 : 0; // 1:2 const uint16_t expand_ratio = (mode >= 2) ? 1 : 0; // 1:2
const uint16_t expand_0dB = 86; const uint16_t expand_0dB = 86;
const uint16_t expand_noise_dB = 56; const uint16_t expand_noise_dB = 56;
// 6B38 01 1010110 0111000 // 6B38 01 1010110 0111000
BK4819_WriteRegister(BK4819_REG_28, // (BK4819_ReadRegister(BK4819_REG_28) & ~(3u < 14)) | (expand_ratio < 14)); BK4819_WriteRegister(BK4819_REG_28, // (BK4819_ReadRegister(BK4819_REG_28) & ~(3u << 14)) | (expand_ratio << 14));
(expand_ratio << 14) (expand_ratio << 14) |
| (expand_0dB << 7) (expand_0dB << 7) |
| (expand_noise_dB << 0)); (expand_noise_dB << 0));
// enable // enable
BK4819_WriteRegister(BK4819_REG_31, r31 | (1u << 3)); BK4819_WriteRegister(BK4819_REG_31, r31 | (1u << 3));
@ -898,29 +951,36 @@ void BK4819_DisableDTMF(void)
void BK4819_EnableDTMF(void) void BK4819_EnableDTMF(void)
{ {
// no idea what this register does // no idea what this does
BK4819_WriteRegister(BK4819_REG_21, 0x06D8); // 0000 0110 1101 1000 BK4819_WriteRegister(BK4819_REG_21, 0x06D8); // 0000 0110 1101 1000
// REG_24 <15> 1 ??? // REG_24
// REG_24 <14:7> 24 Threshold //
// REG_24 <6> 1 ??? // <15> 1 ???
// REG_24 <5> 0 DTMF/SelCall enable //
// <14:7> 24 Threshold
//
// <6> 1 ???
//
// <5> 0 DTMF/SelCall enable
// 1 = Enable // 1 = Enable
// 0 = Disable // 0 = Disable
// REG_24 <4> 1 DTMF or SelCall detection mode //
// <4> 1 DTMF or SelCall detection mode
// 1 = for DTMF // 1 = for DTMF
// 0 = for SelCall // 0 = for SelCall
// REG_24 <3:0> 14 Max symbol number for SelCall detection //
// <3:0> 14 Max symbol number for SelCall detection
// const uint16_t threshold = 24; // doesn't decode non-QS radios //
// const uint16_t threshold = 24; // default, but doesn't decode non-QS radios
const uint16_t threshold = 160; // but 128 ~ 247 does const uint16_t threshold = 160; // but 128 ~ 247 does
BK4819_WriteRegister(BK4819_REG_24, // 1 00011000 1 1 1 1110 BK4819_WriteRegister(BK4819_REG_24, // 1 00011000 1 1 1 1110
(1u << BK4819_REG_24_SHIFT_UNKNOWN_15) (1u << BK4819_REG_24_SHIFT_UNKNOWN_15) |
| (threshold << BK4819_REG_24_SHIFT_THRESHOLD) // 0 ~ 255 (threshold << BK4819_REG_24_SHIFT_THRESHOLD) | // 0 ~ 255
| (1u << BK4819_REG_24_SHIFT_UNKNOWN_6) (1u << BK4819_REG_24_SHIFT_UNKNOWN_6) |
| BK4819_REG_24_ENABLE BK4819_REG_24_ENABLE |
| BK4819_REG_24_SELECT_DTMF BK4819_REG_24_SELECT_DTMF |
| (14u << BK4819_REG_24_SHIFT_MAX_SYMBOLS)); // 0 ~ 15 (14u << BK4819_REG_24_SHIFT_MAX_SYMBOLS)); // 0 ~ 15
} }
void BK4819_PlayTone(uint16_t Frequency, bool bTuningGainSwitch) void BK4819_PlayTone(uint16_t Frequency, bool bTuningGainSwitch)
@ -967,13 +1027,12 @@ void BK4819_TurnsOffTones_TurnsOnRX(void)
BK4819_WriteRegister(BK4819_REG_30, 0); BK4819_WriteRegister(BK4819_REG_30, 0);
BK4819_WriteRegister(BK4819_REG_30, BK4819_WriteRegister(BK4819_REG_30,
0 BK4819_REG_30_ENABLE_VCO_CALIB |
| BK4819_REG_30_ENABLE_VCO_CALIB BK4819_REG_30_ENABLE_RX_LINK |
| BK4819_REG_30_ENABLE_RX_LINK BK4819_REG_30_ENABLE_AF_DAC |
| BK4819_REG_30_ENABLE_AF_DAC BK4819_REG_30_ENABLE_DISC_MODE |
| BK4819_REG_30_ENABLE_DISC_MODE BK4819_REG_30_ENABLE_PLL_VCO |
| BK4819_REG_30_ENABLE_PLL_VCO BK4819_REG_30_ENABLE_RX_DSP);
| BK4819_REG_30_ENABLE_RX_DSP);
} }
#ifdef ENABLE_AIRCOPY #ifdef ENABLE_AIRCOPY
@ -1034,10 +1093,10 @@ void BK4819_ExitBypass(void)
// 0 = bypass DC filter // 0 = bypass DC filter
// //
BK4819_WriteRegister(BK4819_REG_7E, // 0x302E); // 0 011 000000 101 110 BK4819_WriteRegister(BK4819_REG_7E, // 0x302E); // 0 011 000000 101 110
(0u << 15) // 0 AGC fix mode (0u << 15) | // 0 AGC fix mode
| (3u << 12) // 3 AGC fix index (3u << 12) | // 3 AGC fix index
| (5u << 3) // 5 DC Filter band width for Tx (MIC In) (5u << 3) | // 5 DC Filter band width for Tx (MIC In)
| (6u << 0)); // 6 DC Filter band width for Rx (I.F In) (6u << 0)); // 6 DC Filter band width for Rx (I.F In)
} }
void BK4819_PrepareTransmit(void) void BK4819_PrepareTransmit(void)
@ -1057,15 +1116,42 @@ void BK4819_TxOn_Beep(void)
void BK4819_ExitSubAu(void) void BK4819_ExitSubAu(void)
{ {
// REG_51 <15> 0 1 = Enable TxCTCSS/CDCSS 0 = Disable // REG_51
// REG_51 <14> 0 1 = GPIO0Input for CDCSS 0 = Normal Mode.(for BK4819v3) //
// REG_51 <13> 0 1 = Transmit negative CDCSS code 0 = Transmit positive CDCSScode // <15> 0
// REG_51 <12> 0 CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS // 1 = Enable TxCTCSS/CDCSS
// REG_51 <11> 0 CDCSS 24/23bit selection 1 = 24bit 0 = 23bit // 0 = Disable
// REG_51 <10> 0 1050HzDetectionMode 1 = 1050/4 Detect Enable, CTC1 should be set to 1050/4 Hz //
// REG_51 <9> 0 Auto CDCSS Bw Mode 1 = Disable 0 = Enable. // <14> 0
// REG_51 <8> 0 Auto CTCSS Bw Mode 0 = Enable 1 = Disable // 1 = GPIO0Input for CDCSS
// REG_51 <6:0> 0 CTCSS/CDCSS Tx Gain1 Tuning 0 = min 127 = max // 0 = Normal Mode (for BK4819 v3)
//
// <13> 0
// 1 = Transmit negative CDCSS code
// 0 = Transmit positive CDCSS code
//
// <12> 0 CTCSS/CDCSS mode selection
// 1 = CTCSS
// 0 = CDCSS
//
// <11> 0 CDCSS 24/23bit selection
// 1 = 24bit
// 0 = 23bit
//
// <10> 0 1050HzDetectionMode
// 1 = 1050/4 Detect Enable, CTC1 should be set to 1050/4 Hz
//
// <9> 0 Auto CDCSS Bw Mode
// 1 = Disable
// 0 = Enable
//
// <8> 0 Auto CTCSS Bw Mode
// 0 = Enable
// 1 = Disable
//
// <6:0> 0 CTCSS/CDCSS Tx Gain1 Tuning
// 0 = min
// 127 = max
// //
BK4819_WriteRegister(BK4819_REG_51, 0x0000); BK4819_WriteRegister(BK4819_REG_51, 0x0000);
} }
@ -1086,11 +1172,10 @@ void BK4819_EnterDTMF_TX(bool bLocalLoopback)
BK4819_SetAF(bLocalLoopback ? BK4819_AF_BEEP : BK4819_AF_MUTE); BK4819_SetAF(bLocalLoopback ? BK4819_AF_BEEP : BK4819_AF_MUTE);
BK4819_WriteRegister(BK4819_REG_70, BK4819_WriteRegister(BK4819_REG_70,
0 BK4819_REG_70_MASK_ENABLE_TONE1 |
| BK4819_REG_70_MASK_ENABLE_TONE1 (83u << BK4819_REG_70_SHIFT_TONE1_TUNING_GAIN) |
| (83u << BK4819_REG_70_SHIFT_TONE1_TUNING_GAIN) BK4819_REG_70_MASK_ENABLE_TONE2 |
| BK4819_REG_70_MASK_ENABLE_TONE2 (83u << BK4819_REG_70_SHIFT_TONE2_TUNING_GAIN));
| (83u << BK4819_REG_70_SHIFT_TONE2_TUNING_GAIN));
BK4819_EnableTXLink(); BK4819_EnableTXLink();
} }
@ -1109,17 +1194,16 @@ void BK4819_ExitDTMF_TX(bool bKeep)
void BK4819_EnableTXLink(void) void BK4819_EnableTXLink(void)
{ {
BK4819_WriteRegister(BK4819_REG_30, BK4819_WriteRegister(BK4819_REG_30,
0 BK4819_REG_30_ENABLE_VCO_CALIB |
| BK4819_REG_30_ENABLE_VCO_CALIB BK4819_REG_30_ENABLE_UNKNOWN |
| BK4819_REG_30_ENABLE_UNKNOWN BK4819_REG_30_DISABLE_RX_LINK |
| BK4819_REG_30_DISABLE_RX_LINK BK4819_REG_30_ENABLE_AF_DAC |
| BK4819_REG_30_ENABLE_AF_DAC BK4819_REG_30_ENABLE_DISC_MODE |
| BK4819_REG_30_ENABLE_DISC_MODE BK4819_REG_30_ENABLE_PLL_VCO |
| BK4819_REG_30_ENABLE_PLL_VCO BK4819_REG_30_ENABLE_PA_GAIN |
| BK4819_REG_30_ENABLE_PA_GAIN BK4819_REG_30_DISABLE_MIC_ADC |
| BK4819_REG_30_DISABLE_MIC_ADC BK4819_REG_30_ENABLE_TX_DSP |
| BK4819_REG_30_ENABLE_TX_DSP BK4819_REG_30_DISABLE_RX_DSP);
| BK4819_REG_30_DISABLE_RX_DSP);
} }
void BK4819_PlayDTMF(char Code) void BK4819_PlayDTMF(char Code)
@ -1127,32 +1211,31 @@ void BK4819_PlayDTMF(char Code)
uint16_t tone1 = 0; uint16_t tone1 = 0;
uint16_t tone2 = 0; uint16_t tone2 = 0;
switch (Code) switch (Code) // Hz Hz
{ { //
case '0': tone1 = 9715; tone2 = 13793; break; // 941Hz 1336Hz case '0': tone1 = 9715; tone2 = 13793; break; // 941 1336
case '1': tone1 = 7196; tone2 = 12482; break; // 679Hz 1209Hz case '1': tone1 = 7196; tone2 = 12482; break; // 679 1209
case '2': tone1 = 7196; tone2 = 13793; break; // 697Hz 1336Hz case '2': tone1 = 7196; tone2 = 13793; break; // 697 1336
case '3': tone1 = 7196; tone2 = 15249; break; // 679Hz 1477Hz case '3': tone1 = 7196; tone2 = 15249; break; // 679 1477
case '4': tone1 = 7950; tone2 = 12482; break; // 770Hz 1209Hz case '4': tone1 = 7950; tone2 = 12482; break; // 770 1209
case '5': tone1 = 7950; tone2 = 13793; break; // 770Hz 1336Hz case '5': tone1 = 7950; tone2 = 13793; break; // 770 1336
case '6': tone1 = 7950; tone2 = 15249; break; // 770Hz 1477Hz case '6': tone1 = 7950; tone2 = 15249; break; // 770 1477
case '7': tone1 = 8796; tone2 = 12482; break; // 852Hz 1209Hz case '7': tone1 = 8796; tone2 = 12482; break; // 852 1209
case '8': tone1 = 8796; tone2 = 13793; break; // 852Hz 1336Hz case '8': tone1 = 8796; tone2 = 13793; break; // 852 1336
case '9': tone1 = 8796; tone2 = 15249; break; // 852Hz 1477Hz case '9': tone1 = 8796; tone2 = 15249; break; // 852 1477
case 'A': tone1 = 7196; tone2 = 16860; break; // 679Hz 1633Hz case 'A': tone1 = 7196; tone2 = 16860; break; // 679 1633
case 'B': tone1 = 7950; tone2 = 16860; break; // 770Hz 1633Hz case 'B': tone1 = 7950; tone2 = 16860; break; // 770 1633
case 'C': tone1 = 8796; tone2 = 16860; break; // 852Hz 1633Hz case 'C': tone1 = 8796; tone2 = 16860; break; // 852 1633
case 'D': tone1 = 9715; tone2 = 16860; break; // 941Hz 1633Hz case 'D': tone1 = 9715; tone2 = 16860; break; // 941 1633
case '*': tone1 = 9715; tone2 = 12482; break; // 941Hz 1209Hz case '*': tone1 = 9715; tone2 = 12482; break; // 941 1209
case '#': tone1 = 9715; tone2 = 15249; break; // 941Hz 1477Hz case '#': tone1 = 9715; tone2 = 15249; break; // 941 1477
} }
if (tone1 > 0 && tone2 > 0) if (tone1 > 0)
{
BK4819_WriteRegister(BK4819_REG_71, tone1); BK4819_WriteRegister(BK4819_REG_71, tone1);
if (tone2 > 0)
BK4819_WriteRegister(BK4819_REG_72, tone2); BK4819_WriteRegister(BK4819_REG_72, tone2);
} }
}
void BK4819_PlayDTMFString(const char *pString, bool bDelayFirst, uint16_t FirstCodePersistTime, uint16_t HashCodePersistTime, uint16_t CodePersistTime, uint16_t CodeInternalTime) void BK4819_PlayDTMFString(const char *pString, bool bDelayFirst, uint16_t FirstCodePersistTime, uint16_t HashCodePersistTime, uint16_t CodePersistTime, uint16_t CodeInternalTime)
{ {
@ -1183,18 +1266,20 @@ void BK4819_TransmitTone(bool bLocalLoopback, uint32_t Frequency)
{ {
BK4819_EnterTxMute(); BK4819_EnterTxMute();
// REG_70 <15> 0 Enable TONE1 // REG_70
//
// <15> 0 Enable TONE1
// 1 = Enable // 1 = Enable
// 0 = Disable // 0 = Disable
// //
// REG_70 <14:8> 0 TONE1 tuning gain // <14:8> 0 TONE1 tuning gain
// 0 ~ 127 // 0 ~ 127
// //
// REG_70 <7> 0 Enable TONE2 // <7> 0 Enable TONE2
// 1 = Enable // 1 = Enable
// 0 = Disable // 0 = Disable
// //
// REG_70 <6:0> 0 TONE2/FSK tuning gain // <6:0> 0 TONE2/FSK amplitude
// 0 ~ 127 // 0 ~ 127
// //
// set the tone amplitude // set the tone amplitude
@ -1215,19 +1300,25 @@ void BK4819_TransmitTone(bool bLocalLoopback, uint32_t Frequency)
void BK4819_GenTail(uint8_t Tail) void BK4819_GenTail(uint8_t Tail)
{ {
// REG_52 <15> 0 Enable 120/180/240 degree shift CTCSS or 134.4Hz Tail when CDCSS mode // REG_52
//
// <15> 0 Enable 120/180/240 degree shift CTCSS or 134.4Hz Tail when CDCSS mode
// 0 = Normal // 0 = Normal
// 1 = Enable // 1 = Enable
// REG_52 <14:13> 0 CTCSS tail mode selection (only valid when REG_52 <15> = 1) //
// <14:13> 0 CTCSS tail mode selection (only valid when REG_52 <15> = 1)
// 00 = for 134.4Hz CTCSS Tail when CDCSS mode // 00 = for 134.4Hz CTCSS Tail when CDCSS mode
// 01 = CTCSS0 120° phase shift // 01 = CTCSS0 120° phase shift
// 10 = CTCSS0 180° phase shift // 10 = CTCSS0 180° phase shift
// 11 = CTCSS0 240° phase shift // 11 = CTCSS0 240° phase shift
// REG_52 <12> 0 CTCSSDetectionThreshold Mode //
// <12> 0 CTCSSDetectionThreshold Mode
// 1 = ~0.1% // 1 = ~0.1%
// 0 = 0.1 Hz // 0 = 0.1 Hz
// REG_52 <11:6> 0x0A CTCSS found detect threshold //
// REG_52 <5:0> 0x0F CTCSS lost detect threshold // <11:6> 0x0A CTCSS found detect threshold
//
// <5:0> 0x0F CTCSS lost detect threshold
// REG_07 <15:0> // REG_07 <15:0>
// //
@ -1282,30 +1373,40 @@ void BK4819_EnableCTCSS(void)
BK4819_GenTail(4); // 55Hz tone freq BK4819_GenTail(4); // 55Hz tone freq
#endif #endif
// REG_51 <15> 0 // REG_51
//
// <15> 0
// 1 = Enable TxCTCSS/CDCSS // 1 = Enable TxCTCSS/CDCSS
// 0 = Disable // 0 = Disable
// REG_51 <14> 0 //
// <14> 0
// 1 = GPIO0Input for CDCSS // 1 = GPIO0Input for CDCSS
// 0 = Normal Mode (for BK4819 v3) // 0 = Normal Mode (for BK4819 v3)
// REG_51 <13> 0 //
// <13> 0
// 1 = Transmit negative CDCSS code // 1 = Transmit negative CDCSS code
// 0 = Transmit positive CDCSS code // 0 = Transmit positive CDCSS code
// REG_51 <12> 0 CTCSS/CDCSS mode selection //
// <12> 0 CTCSS/CDCSS mode selection
// 1 = CTCSS // 1 = CTCSS
// 0 = CDCSS // 0 = CDCSS
// REG_51 <11> 0 CDCSS 24/23bit selection //
// <11> 0 CDCSS 24/23bit selection
// 1 = 24bit // 1 = 24bit
// 0 = 23bit // 0 = 23bit
// REG_51 <10> 0 1050HzDetectionMode //
// <10> 0 1050HzDetectionMode
// 1 = 1050/4 Detect Enable, CTC1 should be set to 1050/4 Hz // 1 = 1050/4 Detect Enable, CTC1 should be set to 1050/4 Hz
// REG_51 <9> 0 Auto CDCSS Bw Mode //
// <9> 0 Auto CDCSS Bw Mode
// 1 = Disable // 1 = Disable
// 0 = Enable // 0 = Enable
// REG_51 <8> 0 Auto CTCSS Bw Mode //
// <8> 0 Auto CTCSS Bw Mode
// 0 = Enable // 0 = Enable
// 1 = Disable // 1 = Disable
// REG_51 <6:0> 0 CTCSS/CDCSS Tx Gain1 Tuning //
// <6:0> 0 CTCSS/CDCSS Tx Gain1 Tuning
// 0 = min // 0 = min
// 127 = max // 127 = max
@ -1386,25 +1487,52 @@ void BK4819_SetScanFrequency(uint32_t Frequency)
{ {
BK4819_SetFrequency(Frequency); BK4819_SetFrequency(Frequency);
// REG_51 <15> 0 1 = Enable TxCTCSS/CDCSS 0 = Disable // REG_51
// REG_51 <14> 0 1 = GPIO0 Input for CDCSS 0 = Normal Mode.(for BK4819v3) //
// REG_51 <13> 0 1 = Transmit negative CDCSS code 0 = Transmit positive CDCSScode // <15> 0
// REG_51 <12> 0 CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS // 1 = Enable TxCTCSS/CDCSS
// REG_51 <11> 0 CDCSS 24/23bit selection 1 = 24bit 0 = 23bit // 0 = Disable
// REG_51 <10> 0 1050HzDetectionMode 1 = 1050/4 Detect Enable, CTC1 should be set to 1050/4 Hz //
// REG_51 <9> 0 Auto CDCSS Bw Mode 1 = Disable 0 = Enable. // <14> 0
// REG_51 <8> 0 Auto CTCSS Bw Mode 0 = Enable 1 = Disable // 1 = GPIO0Input for CDCSS
// REG_51 <6:0> 0 CTCSS/CDCSS Tx Gain1 Tuning 0 = min 127 = max // 0 = Normal Mode (for BK4819 v3)
//
BK4819_WriteRegister(BK4819_REG_51, 0 // <13> 0
| BK4819_REG_51_DISABLE_CxCSS // 1 = Transmit negative CDCSS code
| BK4819_REG_51_GPIO6_PIN2_NORMAL // 0 = Transmit positive CDCSS code
| BK4819_REG_51_TX_CDCSS_POSITIVE //
| BK4819_REG_51_MODE_CDCSS // <12> 0 CTCSS/CDCSS mode selection
| BK4819_REG_51_CDCSS_23_BIT // 1 = CTCSS
| BK4819_REG_51_1050HZ_NO_DETECTION // 0 = CDCSS
| BK4819_REG_51_AUTO_CDCSS_BW_DISABLE //
| BK4819_REG_51_AUTO_CTCSS_BW_DISABLE); // <11> 0 CDCSS 24/23bit selection
// 1 = 24bit
// 0 = 23bit
//
// <10> 0 1050HzDetectionMode
// 1 = 1050/4 Detect Enable, CTC1 should be set to 1050/4 Hz
//
// <9> 0 Auto CDCSS Bw Mode
// 1 = Disable
// 0 = Enable
//
// <8> 0 Auto CTCSS Bw Mode
// 0 = Enable
// 1 = Disable
//
// <6:0> 0 CTCSS/CDCSS Tx Gain1 Tuning
// 0 = min
// 127 = max
//
BK4819_WriteRegister(BK4819_REG_51,
BK4819_REG_51_DISABLE_CxCSS |
BK4819_REG_51_GPIO6_PIN2_NORMAL |
BK4819_REG_51_TX_CDCSS_POSITIVE |
BK4819_REG_51_MODE_CDCSS |
BK4819_REG_51_CDCSS_23_BIT |
BK4819_REG_51_1050HZ_NO_DETECTION |
BK4819_REG_51_AUTO_CDCSS_BW_DISABLE |
BK4819_REG_51_AUTO_CTCSS_BW_DISABLE);
BK4819_RX_TurnOn(); BK4819_RX_TurnOn();
} }

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firmware.bin
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firmware.packed.bin
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