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DTMF decoder fix with non-QS radios - hopefully

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This commit is contained in:
OneOfEleven 2023-09-25 22:55:34 +01:00
parent b9ab2148fd
commit d8aeb54362
4 changed files with 14 additions and 15 deletions
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2
Makefile
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@ -19,7 +19,7 @@ ENABLE_TX_WHEN_AM := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
ENABLE_MAIN_KEY_HOLD := 1
ENABLE_BOOT_BEEPS := 0
ENABLE_COMPANDER := 0
ENABLE_COMPANDER := 1
ENABLE_SHOW_CHARGE_LEVEL := 0
ENABLE_REVERSE_BAT_SYMBOL := 1
ENABLE_NO_SCAN_TIMEOUT := 1

27
driver/bk4819.c
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@ -562,8 +562,8 @@ void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const b
BK4819_WriteRegister(BK4819_REG_43,
(0u << 15) | // 0
(3u << 12) | // 3 RF filter bandwidth
(3u << 9) | // 0 RF filter bandwidth when signal is weak
(0u << 6) | // 0 AFTxLPF2 filter Band Width
(3u << 9) | // *0 RF filter bandwidth when signal is weak
(7u << 6) | // *0 AFTxLPF2 filter Band Width
(2u << 4) | // 2 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
@ -574,9 +574,8 @@ void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const b
BK4819_WriteRegister(BK4819_REG_43, // 0x3028); // 0 011 000 000 10 1 0 00
(0u << 15) | // 0
(3u << 12) | // 3 RF filter bandwidth
// (0u << 9) | // 0 RF filter bandwidth when signal is weak
(1u << 9) | // 0 RF filter bandwidth when signal is weak
(0u << 6) | // 0 AFTxLPF2 filter Band Width
(1u << 9) | // *0 RF filter bandwidth when signal is weak
(7u << 6) | // *0 AFTxLPF2 filter Band Width
(2u << 4) | // 2 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
@ -591,8 +590,8 @@ void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const b
BK4819_WriteRegister(BK4819_REG_43, // 0x4048); // 0 100 000 001 00 1 0 00
(0u << 15) | // 0
(3u << 12) | // 4 RF filter bandwidth
(3u << 9) | // 0 RF filter bandwidth when signal is weak
(1u << 6) | // 1 AFTxLPF2 filter Band Width
(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
@ -603,9 +602,8 @@ void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const b
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
(1u << 9) | // 0 RF filter bandwidth when signal is weak
(1u << 6) | // 1 AFTxLPF2 filter Band Width
(1u << 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
@ -889,15 +887,16 @@ void BK4819_EnableDTMF(void)
// 1 = for DTMF
// 0 = for SelCall
// REG_24 <3:0> 14 Max symbol number for SelCall detection
//
const uint16_t threshold = 24;
// const uint16_t threshold = 24; // doesn't decode non-QS radios
const uint16_t threshold = 200; // but 128 ~ 247 does
BK4819_WriteRegister(BK4819_REG_24, // 1 00011000 1 1 1 1110
(1u << BK4819_REG_24_SHIFT_UNKNOWN_15)
| (threshold << BK4819_REG_24_SHIFT_THRESHOLD)
| (threshold << BK4819_REG_24_SHIFT_THRESHOLD) // 0 ~ 255
| (1u << BK4819_REG_24_SHIFT_UNKNOWN_6)
| BK4819_REG_24_ENABLE
| BK4819_REG_24_SELECT_DTMF
| (14u << BK4819_REG_24_SHIFT_MAX_SYMBOLS));
| (14u << BK4819_REG_24_SHIFT_MAX_SYMBOLS)); // 0 ~ 15
}
void BK4819_PlayTone(uint16_t Frequency, bool bTuningGainSwitch)

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