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Slightly reduced tone amplitude - to reduce deviation level

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OneOfEleven 2023-10-04 20:34:57 +01:00
parent eea1756dc0
commit 1dbe874240
3 changed files with 19 additions and 1 deletions
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20
driver/bk4819.c
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@ -1183,7 +1183,25 @@ void BK4819_TransmitTone(bool bLocalLoopback, uint32_t Frequency)
{ {
BK4819_EnterTxMute(); BK4819_EnterTxMute();
BK4819_WriteRegister(BK4819_REG_70, 0 | BK4819_REG_70_MASK_ENABLE_TONE1 | (96U << BK4819_REG_70_SHIFT_TONE1_TUNING_GAIN)); // REG_70 <15> 0 Enable TONE1
// 1 = Enable
// 0 = Disable
//
// REG_70 <14:8> 0 TONE1 tuning gain
// 0 ~ 127
//
// REG_70 <7> 0 Enable TONE2
// 1 = Enable
// 0 = Disable
//
// REG_70 <6:0> 0 TONE2/FSK tuning gain
// 0 ~ 127
//
// set the tone amplitude
//
// BK4819_WriteRegister(BK4819_REG_70, BK4819_REG_70_MASK_ENABLE_TONE1 | (96u << BK4819_REG_70_SHIFT_TONE1_TUNING_GAIN));
BK4819_WriteRegister(BK4819_REG_70, BK4819_REG_70_MASK_ENABLE_TONE1 | (50u << BK4819_REG_70_SHIFT_TONE1_TUNING_GAIN));
BK4819_WriteRegister(BK4819_REG_71, scale_freq(Frequency)); BK4819_WriteRegister(BK4819_REG_71, scale_freq(Frequency));
BK4819_SetAF(bLocalLoopback ? BK4819_AF_BEEP : BK4819_AF_MUTE); BK4819_SetAF(bLocalLoopback ? BK4819_AF_BEEP : BK4819_AF_MUTE);

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firmware.bin
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firmware.packed.bin
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