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ctcss phase stuff + fast manual freq up/dn scanning update

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OneOfEleven
2023-10-31 22:02:54 +00:00
parent 2522b4184a
commit 010ee10516
20 changed files with 532 additions and 552 deletions
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559
driver/bk4819.c
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@@ -51,8 +51,9 @@ void BK4819_Init(void)
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SDA);
BK4819_WriteRegister(0x00, 0x8000);
BK4819_WriteRegister(0x00, 0x0000);
// reset the chip
BK4819_WriteRegister(0x00, (1u << 15));
BK4819_WriteRegister(0x00, 0);
BK4819_WriteRegister(0x37, 0x1D0F);
BK4819_WriteRegister(0x36, 0x0022);
@@ -92,7 +93,7 @@ void BK4819_Init(void)
(58u << 4) | // AF Rx Gain-2
( 8u << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
BK4819_sub_audible();
BK4819_config_sub_audible();
#if 1
const uint8_t dtmf_coeffs[] = {111, 107, 103, 98, 80, 71, 58, 44, 65, 55, 37, 23, 228, 203, 181, 159};
@@ -395,172 +396,6 @@ void BK4819_set_GPIO_pin(bk4819_gpio_pin_t Pin, bool bSet)
BK4819_WriteRegister(0x33, gBK4819_GpioOutState);
}
void BK4819_SetCDCSSCodeWord(uint32_t CodeWord)
{
// REG_51
//
// <15> 0
// 1 = Enable TxCTCSS/CDCSS
// 0 = Disable
//
// <14> 0
// 1 = GPIO0Input for CDCSS
// 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
// Transmit positive CDCSS code
// CDCSS Mode
// CDCSS 23bit
// Enable Auto CDCSS Bw Mode
// Enable Auto CTCSS Bw Mode
// CTCSS/CDCSS Tx Gain1 Tuning = 51
//
BK4819_WriteRegister(0x51,
BK4819_REG_51_ENABLE_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_ENABLE |
BK4819_REG_51_AUTO_CTCSS_BW_ENABLE |
(51u << BK4819_REG_51_SHIFT_CxCSS_TX_GAIN1));
// REG_07 <15:0>
//
// When <13> = 0 for CTC1
// <12:0> = CTC1 frequency control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
// When <13> = 1 for CTC2 (Tail 55Hz Rx detection)
// <12:0> = CTC2 (should below 100Hz) frequency control word =
// 25391 / freq(Hz) for XTAL 13M/26M or
// 25000 / freq(Hz) for XTAL 12.8M/19.2M/25.6M/38.4M
//
// When <13> = 2 for CDCSS 134.4Hz
// <12:0> = CDCSS baud rate frequency (134.4Hz) control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
BK4819_WriteRegister(0x07, BK4819_REG_07_MODE_CTC1 | 2775u);
// REG_08 <15:0> <15> = 1 for CDCSS high 12bit
// <15> = 0 for CDCSS low 12bit
// <11:0> = CDCSShigh/low 12bit code
//
BK4819_WriteRegister(0x08, (0u << 15) | ((CodeWord >> 0) & 0x0FFF)); // LS 12-bits
BK4819_WriteRegister(0x08, (1u << 15) | ((CodeWord >> 12) & 0x0FFF)); // MS 12-bits
}
void BK4819_SetCTCSSFrequency(uint32_t FreqControlWord)
{
// REG_51 <15> 0 1 = Enable TxCTCSS/CDCSS 0 = Disable
// 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
// REG_51 <12> 0 CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS
// REG_51 <11> 0 CDCSS 24/23bit selection 1 = 24bit 0 = 23bit
// 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.
// REG_51 <8> 0 Auto CTCSS Bw Mode 0 = Enable 1 = Disable
// REG_51 <6:0> 0 CTCSS/CDCSS Tx Gain1 Tuning 0 = min 127 = max
uint16_t Config;
if (FreqControlWord == 2625)
{ // Enables 1050Hz detection mode
// Enable TxCTCSS
// CTCSS Mode
// 1050/4 Detect Enable
// Enable Auto CDCSS Bw Mode
// Enable Auto CTCSS Bw Mode
// CTCSS/CDCSS Tx Gain1 Tuning = 74
//
Config = 0x944A; // 1 0 0 1 0 1 0 0 0 1001010
}
else
{ // Enable TxCTCSS
// CTCSS Mode
// Enable Auto CDCSS Bw Mode
// Enable Auto CTCSS Bw Mode
// CTCSS/CDCSS Tx Gain1 Tuning = 74
//
Config = 0x904A; // 1 0 0 1 0 0 0 0 0 1001010
}
BK4819_WriteRegister(0x51, Config);
// REG_07 <15:0>
//
// When <13> = 0 for CTC1
// <12:0> = CTC1 frequency control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
// When <13> = 1 for CTC2 (Tail RX detection)
// <12:0> = CTC2 (should below 100Hz) frequency control word =
// 25391 / freq(Hz) for XTAL 13M/26M or
// 25000 / freq(Hz) for XTAL 12.8M/19.2M/25.6M/38.4M
//
// When <13> = 2 for CDCSS 134.4Hz
// <12:0> = CDCSS baud rate frequency (134.4Hz) control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
BK4819_WriteRegister(0x07, BK4819_REG_07_MODE_CTC1 | (((FreqControlWord * 206488u) + 50000u) / 100000u)); // with rounding
}
// freq_10Hz is CTCSS Hz * 10
void BK4819_SetTailDetection(const uint32_t freq_10Hz)
{
// REG_07 <15:0>
//
// When <13> = 0 for CTC1
// <12:0> = CTC1 frequency control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
// When <13> = 1 for CTC2 (Tail RX detection)
// <12:0> = CTC2 (should below 100Hz) frequency control word =
// 25391 / freq(Hz) for XTAL 13M/26M or
// 25000 / freq(Hz) for XTAL 12.8M/19.2M/25.6M/38.4M
//
// When <13> = 2 for CDCSS 134.4Hz
// <12:0> = CDCSS baud rate frequency (134.4Hz) control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
BK4819_WriteRegister(0x07, BK4819_REG_07_MODE_CTC2 | ((253910 + (freq_10Hz / 2)) / freq_10Hz)); // with rounding
#ifdef ENABLE_CTCSS_TAIL_PHASE_SHIFT
#endif
}
void BK4819_EnableVox(uint16_t VoxEnableThreshold, uint16_t VoxDisableThreshold)
{
//VOX Algorithm
@@ -1251,19 +1086,8 @@ void BK4819_PrepareTransmit(void)
{
// BK4819_ExitBypass();
BK4819_ExitTxMute();
BK4819_sub_audible();
}
void BK4819_sub_audible(void)
{
BK4819_WriteRegister(0x37, 0x1D0F); // 0001110100001111
#ifdef ENABLE_CTCSS_TAIL_PHASE_SHIFT
BK4819_GenTail(2); // 180 deg
#else
// BK4819_GenTail(4);
BK4819_WriteRegister(0x52, (0u << 15) | (0u << 13) | (0u << 12) | (10u << 6) | (15u << 0)); // 0x028F); // 0 00 0 001010 001111
#endif
BK4819_config_sub_audible();
BK4819_WriteRegister(0x30, 0);
BK4819_WriteRegister(0x30,
@@ -1280,48 +1104,6 @@ void BK4819_sub_audible(void)
0);
}
void BK4819_ExitSubAu(void)
{
// REG_51
//
// <15> 0
// 1 = Enable TxCTCSS/CDCSS
// 0 = Disable
//
// <14> 0
// 1 = GPIO0Input for CDCSS
// 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(0x51, 0);
}
void BK4819_Conditional_RX_TurnOn(void)
{
if (g_rx_idle_mode)
@@ -1499,44 +1281,96 @@ void BK4819_TransmitTone(bool bLocalLoopback, uint32_t Frequency)
BK4819_ExitTxMute();
}
void BK4819_GenTail(const unsigned int tail)
void BK4819_disable_sub_audible(void)
{
BK4819_WriteRegister(0x51, 0);
}
void BK4819_config_sub_audible(void)
{
// #ifdef ENABLE_CTCSS_TAIL_PHASE_SHIFT
// BK4819_gen_tail(2); // 180 deg
// #else
// BK4819_gen_tail(4);
BK4819_WriteRegister(0x52, (0u << 15) | (0u << 13) | (0u << 12) | (10u << 6) | (15u << 0)); // 0x028F); // 0 00 0 001010 001111
// #endif
}
// freq_10Hz is CTCSS Hz * 10
void BK4819_set_tail_detection(const uint32_t freq_10Hz)
{
// REG_07 <15:0>
//
// <15) ???
//
// <14:13> 0 = CTC-1, 1 = CTC-2 (tail detection), 2 = CDCSS 134.4Hz
//
// if <14:13> == 0
// <12:0> CTC1 frequency control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
// if <14:13> == 1
// <12:0> CTC2 (should below 100Hz) frequency control word =
// 25391 / freq(Hz) for XTAL 13M/26M or
// 25000 / freq(Hz) for XTAL 12.8M/19.2M/25.6M/38.4M
//
// if <14:13> == 2
// <12:0> CDCSS baud rate frequency (134.4Hz) control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
#ifdef ENABLE_CTCSS_TAIL_PHASE_SHIFT
BK4819_WriteRegister(0x07, (0u << 13) | (((freq_10Hz * 206488u) + 50000u) / 100000u));
#else
BK4819_WriteRegister(0x07, (1u << 13) | ((253910 + (freq_10Hz / 2)) / freq_10Hz)); // with rounding
#endif
}
void BK4819_gen_tail(const unsigned int tail)
{
// REG_52
//
// <15> 0 120/180/240 degree shift CTCSS or 134.4Hz Tail when CDCSS mode
// 0 = Normal
// 1 = Enable
// <15> degree shift CTCSS or 134.4Hz tail CDCSS
// 0 = normal
// 1 = enable
//
// <14:13> 0 CTCSS tail mode selection (only valid when REG_52 <15> = 1)
// 00 = for 134.4Hz CTCSS Tail when CDCSS mode
// 01 = CTCSS0 120° phase shift
// 10 = CTCSS0 180° phase shift
// 11 = CTCSS0 240° phase shift
// <14:13> CTCSS tail mode selection (only valid when <15> == 1)
// 0 = for 134.4Hz CTCSS Tail when CDCSS mode
// 1 = CTCSS0 120° phase shift
// 2 = CTCSS0 180° phase shift
// 3 = CTCSS0 240° phase shift
//
// <12> 0 CTCSS Detection Threshold Mode
// <12> CTCSS Detection Threshold Mode
// 1 = ~0.1%
// 0 = 0.1 Hz
// 0 = 0.1Hz
//
// <11:6> 10 CTCSS found detect threshold 0 ~ 63
//
// <5:0> 15 CTCSS lost detect threshold 0 ~ 63
// <5:0> 15 CTCSS lost detect threshold 0 ~ 63
uint16_t tail_phase_shift = 1;
uint16_t ctcss_tail_mode_selection = 0;
uint16_t ctcss_detect_threshold_mode = 0;
// uint16_t ctcss_found_threshold = 10;
// uint16_t ctcss_lost_threshold = 15;
uint16_t ctcss_found_threshold = 20;
uint16_t ctcss_lost_threshold = 30;
#if 0
// original QS setting
uint16_t ctcss_found_threshold = 10;
uint16_t ctcss_lost_threshold = 15;
#else
// increase it to help reduce false detections when doing CTCSS/CDCSS searching
uint16_t ctcss_found_threshold = 15;
uint16_t ctcss_lost_threshold = 23;
#endif
switch (tail)
{
case 0: // 134.4Hz CTCSS Tail
// ctcss_tail_mode_selection = 0;
break;
case 1: // 120° phase shift
ctcss_tail_mode_selection = 1;
break;
case 2: // 180° phase shift
case 2: // 180° phase shift 1 10 0 001010 001111
ctcss_tail_mode_selection = 2;
break;
case 3: // 240° phase shift
@@ -1558,60 +1392,148 @@ void BK4819_GenTail(const unsigned int tail)
(ctcss_lost_threshold << 0));
}
void BK4819_EnableCDCSS(void)
void BK4819_set_CDCSS_code(const uint32_t control_word)
{
BK4819_GenTail(0); // CTC134
BK4819_WriteRegister(0x51, 0x804A);
BK4819_WriteRegister(0x51,
( 1u << 15) | // TX CTCSS/CDCSS 1 = enable 0 = disable
( 0u << 14) | // GPIO input for CDCSS 0 = normal (for BK4819v3)
( 0u << 13) | // TX CDCSS code 1 = negative 0 = positive
( 0u << 12) | // CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS
( 0u << 11) | // CDCSS 24/23bit selection 1 = 24bit 0 = 23bit
( 0u << 10) | // 1050Hz detection mode 1 = enable, CTC1 should be set to 1050/4 Hz
( 1u << 9) | // Auto CDCSS BW Mode 1 = disable 0 = enable
( 1u << 8) | // Auto CTCSS BW Mode 1 = disable 0 = enable
( 0u << 7) | // ???
(51u << 0)); // CTCSS/CDCSS TX gain 1 0 ~ 127
// REG_07 <15:0>
//
// <15) ???
//
// <14:13> 0 = CTC-1, 1 = CTC-2 (tail detection), 2 = CDCSS 134.4Hz
//
// <14:13> == 0
// <12:0> CTC1 frequency control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
// <14:13> == 1
// <12:0> CTC2 (should below 100Hz) frequency control word =
// 25391 / freq(Hz) for XTAL 13M/26M or
// 25000 / freq(Hz) for XTAL 12.8M/19.2M/25.6M/38.4M
//
// <14:13> == 2
// <12:0> CDCSS baud rate frequency (134.4Hz) control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
BK4819_WriteRegister(0x07, (0u << 13) | 2775u);
// REG_08 <15:0> <15> = 1 for CDCSS high 12bit
// <15> = 0 for CDCSS low 12bit
// <11:0> = CDCSShigh/low 12bit code
//
BK4819_WriteRegister(0x08, (0u << 15) | ((control_word >> 0) & 0x0FFF)); // LS 12-bits
BK4819_WriteRegister(0x08, (1u << 15) | ((control_word >> 12) & 0x0FFF)); // MS 12-bits
}
void BK4819_EnableCTCSS(void)
void BK4819_set_CTCSS_freq(const uint32_t control_word)
{
if (control_word == 0)
{ // NOAA 1050Hz tone stuff
BK4819_WriteRegister(0x51,
( 1u << 15) | // TX CTCSS/CDCSS 1 = enable 0 = disable
( 0u << 14) | // GPIO input for CDCSS 0 = normal (for BK4819v3)
( 0u << 13) | // TX CDCSS code 1 = negative 0 = positive
( 1u << 12) | // CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS
( 0u << 11) | // CDCSS 24/23bit selection 1 = 24bit 0 = 23bit
( 1u << 10) | // 1050Hz detection mode 1 = enable, CTC1 should be set to 1050/4 Hz
( 0u << 9) | // Auto CDCSS BW Mode 1 = disable 0 = enable
( 0u << 8) | // Auto CTCSS BW Mode 1 = disable 0 = enable
( 0u << 7) | // ???
(74u << 0)); // CTCSS/CDCSS TX gain 1 0 ~ 127
}
else
{ // normal CTCSS
BK4819_WriteRegister(0x51,
( 1u << 15) | // TX CTCSS/CDCSS 1 = enable 0 = disable
( 0u << 14) | // GPIO input for CDCSS 0 = normal (for BK4819v3)
( 0u << 13) | // TX CDCSS code 1 = negative 0 = positive
( 1u << 12) | // CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS
( 0u << 11) | // CDCSS 24/23bit selection 1 = 24bit 0 = 23bit
( 0u << 10) | // 1050Hz detection mode 1 = enable, CTC1 should be set to 1050/4 Hz
( 0u << 9) | // Auto CDCSS BW Mode 1 = disable 0 = enable
( 0u << 8) | // Auto CTCSS BW Mode 1 = disable 0 = enable
( 0u << 7) | // ???
(74u << 0)); // CTCSS/CDCSS TX gain 1 0 ~ 127
}
// REG_07 <15:0>
//
// <15) 0
//
// <14:13> 0 = CTC-1, 1 = CTC-2 (tail detection), 2 = CDCSS 134.4Hz
//
// if <14:13> == 0
// <12:0> CTC1 frequency control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
// if <14:13> == 1
// <12:0> CTC2 (should be below 100Hz) frequency control word =
// 25391 / freq(Hz) for XTAL 13M/26M or
// 25000 / freq(Hz) for XTAL 12.8M/19.2M/25.6M/38.4M
//
// if <14:13> == 2
// <12:0> CDCSS baud rate frequency (134.4Hz) control word =
// freq(Hz) * 20.64888 for XTAL 13M/26M or
// freq(Hz) * 20.97152 for XTAL 12.8M/19.2M/25.6M/38.4M
//
#ifdef ENABLE_CTCSS_TAIL_PHASE_SHIFT
BK4819_WriteRegister(0x07, (0u << 13) | (((control_word * 206488u) + 50000u) / 100000u));
#else
BK4819_WriteRegister(0x07, (1u << 13) | ((253910 + (control_word / 2)) / control_word));
#endif
}
void BK4819_enable_CDCSS_tail(void)
{
BK4819_gen_tail(0); // CTC134
BK4819_WriteRegister(0x51, // 0x804A); // 1 0 0 0 0 0 0 0 0 1001010
( 1u << 15) | // TX CTCSS/CDCSS 1 = enable 0 = disable
( 0u << 14) | // GPIO0 input for CDCSS 0 = normal (for BK4819v3)
( 0u << 13) | // TX CDCSS code 1 = negative 0 = positive
( 0u << 12) | // CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS
( 0u << 11) | // CDCSS 24/23bit selection 1 = 24bit 0 = 23bit
( 0u << 10) | // 1050Hz detection mode 1 = enable, CTC1 should be set to 1050/4 Hz
( 0u << 9) | // Auto CDCSS BW Mode 1 = disable 0 = enable
( 0u << 8) | // Auto CTCSS BW Mode 1 = disable 0 = enable
( 0u << 7) | // ???
(74u << 0)); // CTCSS/CDCSS TX gain 1 0 ~ 127
}
void BK4819_enable_CTCSS_tail(void)
{
#ifdef ENABLE_CTCSS_TAIL_PHASE_SHIFT
//BK4819_GenTail(1); // 120° phase shift
BK4819_GenTail(2); // 180° phase shift
//BK4819_GenTail(3); // 240° phase shift
//BK4819_gen_tail(1); // 120° phase shift
BK4819_gen_tail(2); // 180° phase shift
//BK4819_gen_tail(3); // 240° phase shift
#else
BK4819_GenTail(4); // 55Hz tone freq
BK4819_gen_tail(4); // 55Hz tone freq
#endif
// REG_51
//
// <15> 0
// 1 = Enable TxCTCSS/CDCSS
// 0 = Disable
//
// <14> 0
// 1 = GPIO0Input for CDCSS
// 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(0x51, 0x904A); // 1 0 0 1 0 0 0 0 0 1001010
BK4819_WriteRegister(0x51, // 0x804A); // 1 0 0 0 0 0 0 0 0 1001010
( 1u << 15) | // TX CTCSS/CDCSS 1 = enable 0 = disable
( 0u << 14) | // GPIO0 input for CDCSS 0 = normal (for BK4819v3)
( 0u << 13) | // TX CDCSS code 1 = negative 0 = positive
( 1u << 12) | // CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS
( 0u << 11) | // CDCSS 24/23bit selection 1 = 24bit 0 = 23bit
( 0u << 10) | // 1050Hz detection mode 1 = enable, CTC1 should be set to 1050/4 Hz
( 0u << 9) | // Auto CDCSS BW Mode 1 = disable 0 = enable
( 0u << 8) | // Auto CTCSS BW Mode 1 = disable 0 = enable
( 0u << 7) | // ???
(74u << 0)); // CTCSS/CDCSS TX gain 1 0 ~ 127
}
uint16_t BK4819_GetRSSI(void)
@@ -1763,56 +1685,21 @@ void BK4819_EnableFrequencyScan(void)
( 1u << 0)); // 1 frequency scan enable
}
void BK4819_SetScanFrequency(uint32_t Frequency)
void BK4819_set_scan_frequency(uint32_t Frequency)
{
BK4819_set_rf_frequency(Frequency, false);
// REG_51
//
// <15> 0
// 1 = Enable TxCTCSS/CDCSS
// 0 = Disable
//
// <14> 0
// 1 = GPIO-0 input for CDCSS
// 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 1050Hz detection mode
// 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(0x51,
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);
(0u << 15) | // TX CTCSS/CDCSS 1 = enable 0 = disable
(0u << 14) | // GPIO input for CDCSS 0 = normal (for BK4819v3)
(0u << 13) | // TX CDCSS code 1 = negative 0 = positive
(0u << 12) | // CTCSS/CDCSS mode selection 1 = CTCSS 0 = CDCSS
(0u << 11) | // CDCSS 24/23bit selection 1 = 24bit 0 = 23bit
(0u << 10) | // 1050Hz detection mode 1 = enable, CTC1 should be set to 1050/4 Hz
(1u << 9) | // Auto CDCSS BW Mode 1 = disable 0 = enable
(1u << 8) | // Auto CTCSS BW Mode 1 = disable 0 = enable
(0u << 7) | // ???
(0u << 0)); // CTCSS/CDCSS TX gain 1 0 ~ 127
BK4819_RX_TurnOn();
}
@@ -1858,9 +1745,11 @@ void BK4819_reset_fsk(void)
(1u << 3) | // 0 or 1 sync length selection
(0u << 0); // 0 ~ 7 ???
BK4819_WriteRegister(0x3F, 0); // disable interrupts
BK4819_WriteRegister(0x3F, 0); // disable interrupts
BK4819_WriteRegister(0x59, (1u << 15) | (1u << 14) | fsk_reg59); // clear FIFO's
BK4819_WriteRegister(0x59, (0u << 15) | (0u << 14) | fsk_reg59);
BK4819_WriteRegister(0x59, fsk_reg59);
BK4819_WriteRegister(0x30, 0);
}

20
driver/bk4819.h
View File

@@ -72,9 +72,9 @@ void BK4819_EnableAGC(void);
void BK4819_set_GPIO_pin(bk4819_gpio_pin_t Pin, bool bSet);
void BK4819_SetCDCSSCodeWord(uint32_t CodeWord);
void BK4819_SetCTCSSFrequency(uint32_t BaudRate);
void BK4819_SetTailDetection(const uint32_t freq_10Hz);
void BK4819_set_CDCSS_code(const uint32_t control_word);
void BK4819_set_CTCSS_freq(const uint32_t control_word);
void BK4819_set_tail_detection(const uint32_t freq_10Hz);
void BK4819_EnableVox(uint16_t Vox1Threshold, uint16_t Vox0Threshold);
void BK4819_set_TX_deviation(const bool narrow);
@@ -120,8 +120,12 @@ void BK4819_TurnsOffTones_TurnsOnRX(void);
void BK4819_reset_fsk(void);
void BK4819_Idle(void);
void BK4819_PrepareTransmit(void);
void BK4819_sub_audible(void);
void BK4819_ExitSubAu(void);
void BK4819_config_sub_audible(void);
void BK4819_gen_tail(const unsigned int tail);
void BK4819_enable_CDCSS_tail(void);
void BK4819_enable_CTCSS_tail(void);
void BK4819_disable_sub_audible(void);
void BK4819_Conditional_RX_TurnOn(void);
@@ -134,10 +138,6 @@ void BK4819_PlayDTMFString(const char *pString, bool bDelayFirst, uint16_t F
void BK4819_TransmitTone(bool bLocalLoopback, uint32_t Frequency);
void BK4819_GenTail(const unsigned int tail);
void BK4819_EnableCDCSS(void);
void BK4819_EnableCTCSS(void);
uint16_t BK4819_GetRSSI(void);
uint8_t BK4819_GetGlitchIndicator(void);
uint8_t BK4819_GetExNoiceIndicator(void);
@@ -148,7 +148,7 @@ bool BK4819_GetFrequencyScanResult(uint32_t *pFrequency);
BK4819_CSS_scan_result_t BK4819_GetCxCSSScanResult(uint32_t *pCdcssFreq, uint16_t *pCtcssFreq);
void BK4819_DisableFrequencyScan(void);
void BK4819_EnableFrequencyScan(void);
void BK4819_SetScanFrequency(uint32_t Frequency);
void BK4819_set_scan_frequency(uint32_t Frequency);
void BK4819_StopScan(void);