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AM update + scan list fix - hopefully

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OneOfEleven
2023-09-22 16:10:28 +01:00
parent 7a58dbc0cb
commit 6d41adf265
7 changed files with 95 additions and 48 deletions
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115
driver/bk4819.c
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@ -275,6 +275,7 @@ void BK4819_SetAGC(uint8_t Value)
// PGA ........ -3dB
//
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_11, 0x027B); // 000000 10 011 11 011
BK4819_WriteRegister(BK4819_REG_10, 0x007A); // 000000 00 011 11 010
@ -328,6 +329,7 @@ void BK4819_SetAGC(uint8_t Value)
// PGA ........ -3dB
//
BK4819_WriteRegister(BK4819_REG_13, (3u << 8) | (2u << 5) | (3u << 3) | (6u << 0)); // 000000 11 101 11 110
BK4819_WriteRegister(BK4819_REG_12, 0x037C); // 000000 11 011 11 100
BK4819_WriteRegister(BK4819_REG_11, 0x027B); // 000000 10 011 11 011
BK4819_WriteRegister(BK4819_REG_10, 0x007A); // 000000 00 011 11 010
@ -513,7 +515,7 @@ void BK4819_EnableVox(uint16_t VoxEnableThreshold, uint16_t VoxDisableThreshold)
BK4819_WriteRegister(BK4819_REG_31, REG_31_Value | (1u << 2)); // VOX Enable
}
void BK4819_SetFilterBandwidth(BK4819_FilterBandwidth_t Bandwidth)
void BK4819_SetFilterBandwidth(BK4819_FilterBandwidth_t Bandwidth, const bool weak_no_different)
{
// REG_43 <14:12> 4 RF filter bandwidth
// 0 = 1.7 kHz
@ -558,53 +560,86 @@ void BK4819_SetFilterBandwidth(BK4819_FilterBandwidth_t Bandwidth)
//
if (Bandwidth == BK4819_FILTER_BW_WIDE)
{
BK4819_WriteRegister(BK4819_REG_43,
(0u << 15) | // 0
(3u << 12) | // 3 RF filter bandwidth
(0u << 9) | // 0 RF filter bandwidth when signal is weak
(0u << 6) | // 0 AFTxLPF2 filter Band Width
(2u << 4) | // 2 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0
if (weak_no_different)
{
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
(2u << 4) | // 2 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0
}
else
{
BK4819_WriteRegister(BK4819_REG_43,
(0u << 15) | // 0
(3u << 12) | // 3 RF filter bandwidth
(0u << 9) | // 0 RF filter bandwidth when signal is weak
(0u << 6) | // 0 AFTxLPF2 filter Band Width
(2u << 4) | // 2 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0
}
}
else
if (Bandwidth == BK4819_FILTER_BW_NARROW)
{
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 << 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
/*
// https://github.com/fagci/uv-k5-firmware-fagci-mod
//BK4819_WriteRegister(BK4819_REG_43, // 0x790C); // 0 111 100 100 00 1 1 00 squelch
(0u << 15) | // 0
(7u << 12) | // 7 RF filter bandwidth
(4u << 9) | // 4 RF filter bandwidth when signal is weak
(4u << 6) | // 4 AFTxLPF2 filter Band Width
(0u << 4) | // 0 BW Mode Selection
(1u << 3) | // 1
(1u << 2) | // 1 Gain after FM Demodulation
(0u << 0)); // 0
*/
if (weak_no_different)
{
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
(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
(1u << 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)
{
BK4819_WriteRegister(BK4819_REG_43, // 0 100 000 001 01 1 0 00
(0u << 15) | // 0
(4u << 12) | // 4 RF filter bandwidth
(0u << 9) | // 0 RF filter bandwidth when signal is weak
(1u << 6) | // 1 AFTxLPF2 filter Band Width
(1u << 4) | // 1 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0
if (weak_no_different)
{
BK4819_WriteRegister(BK4819_REG_43, // 0 100 000 001 01 1 0 00
(0u << 15) | // 0
(4u << 12) | // 4 RF filter bandwidth
(4u << 9) | // 0 RF filter bandwidth when signal is weak
(1u << 6) | // 1 AFTxLPF2 filter Band Width
(1u << 4) | // 1 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0
}
else
{
BK4819_WriteRegister(BK4819_REG_43, // 0 100 000 001 01 1 0 00
(0u << 15) | // 0
(4u << 12) | // 4 RF filter bandwidth
(0u << 9) | // 0 RF filter bandwidth when signal is weak
(1u << 6) | // 1 AFTxLPF2 filter Band Width
(1u << 4) | // 1 BW Mode Selection
(1u << 3) | // 1
(0u << 2) | // 0 Gain after FM Demodulation
(0u << 0)); // 0
}
}
}