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Code Issues Releases Activity

FREQ/CTCSS/CDCSS search updates

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OneOfEleven
2023-10-30 11:23:56 +00:00
parent a188f846f5
commit c03ac606f1
19 changed files with 404 additions and 353 deletions
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73
driver/bk4819.c
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@ -94,6 +94,8 @@ void BK4819_Init(void)
(58u << 4) | // AF Rx Gain-2
( 8u << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
BK4819_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};
for (unsigned int i = 0; i < ARRAY_SIZE(dtmf_coeffs); i++)
@ -1258,18 +1260,19 @@ void BK4819_PrepareTransmit(void)
{
// BK4819_ExitBypass();
BK4819_ExitTxMute();
BK4819_TxOn_Beep();
BK4819_sub_audible();
}
void BK4819_TxOn_Beep(void)
void BK4819_sub_audible(void)
{
BK4819_WriteRegister(0x37, 0x1D0F); // 0001110100001111
#ifdef ENABLE_CTCSS_TAIL_PHASE_SHIFT
BK4819_WriteRegister(0x52, (1u << 15) | (2u << 13) | (0u << 12) | (10u << 6) | (15u << 0));
#else
BK4819_WriteRegister(0x52, (0u << 15) | (0u << 13) | (0u << 12) | (10u << 6) | (15u << 0)); // 0x028F); // 0 00 0 001010 001111
#endif
#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_WriteRegister(0x30, 0);
BK4819_WriteRegister(0x30,
@ -1505,11 +1508,11 @@ void BK4819_TransmitTone(bool bLocalLoopback, uint32_t Frequency)
BK4819_ExitTxMute();
}
void BK4819_GenTail(uint8_t Tail)
void BK4819_GenTail(const unsigned int tail)
{
// REG_52
//
// <15> 0 Enable 120/180/240 degree shift CTCSS or 134.4Hz Tail when CDCSS mode
// <15> 0 120/180/240 degree shift CTCSS or 134.4Hz Tail when CDCSS mode
// 0 = Normal
// 1 = Enable
//
@ -1519,49 +1522,49 @@ void BK4819_GenTail(uint8_t Tail)
// 10 = CTCSS0 180° phase shift
// 11 = CTCSS0 240° phase shift
//
// <12> 0 CTCSSDetectionThreshold Mode
// <12> 0 CTCSS Detection Threshold Mode
// 1 = ~0.1%
// 0 = 0.1 Hz
//
// <11:6> 0x0A CTCSS found detect threshold
// <11:6> 10 CTCSS found detect threshold 0 ~ 63
//
// <5:0> 0x0F CTCSS lost detect threshold
// <5:0> 15 CTCSS lost detect threshold 0 ~ 63
// 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
switch (Tail)
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;
switch (tail)
{
case 0: // 134.4Hz CTCSS Tail
BK4819_WriteRegister(0x52, 0x828F); // 1 00 0 001010 001111
break;
case 1: // 120° phase shift
BK4819_WriteRegister(0x52, 0xA28F); // 1 01 0 001010 001111
ctcss_tail_mode_selection = 1;
break;
case 2: // 180° phase shift
BK4819_WriteRegister(0x52, 0xC28F); // 1 10 0 001010 001111
ctcss_tail_mode_selection = 2;
break;
case 3: // 240° phase shift
BK4819_WriteRegister(0x52, 0xE28F); // 1 11 0 001010 001111
ctcss_tail_mode_selection = 3;
break;
default:
case 4: // 55Hz tone freq
BK4819_WriteRegister(0x07, 0x046f); // 0 00 0 010001 101111
tail_phase_shift = 0;
ctcss_found_threshold = 17;
ctcss_lost_threshold = 47;
break;
}
BK4819_WriteRegister(0x52,
(tail_phase_shift << 15) |
(ctcss_tail_mode_selection << 13) |
(ctcss_detect_threshold_mode << 12) |
(ctcss_found_threshold << 6) |
(ctcss_lost_threshold << 0));
}
void BK4819_EnableCDCSS(void)