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Code Issues Releases Activity

update mic gain code

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OneOfEleven
2023-10-30 16:28:41 +00:00
parent 1517cfc655
commit e63672521c
14 changed files with 136 additions and 101 deletions
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51
driver/bk1080.c
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@ -113,29 +113,35 @@ void BK1080_Init(const uint16_t frequency, const bool initialise)
// determine the lower and upper frequency limits when multiple bands are used
BK1080_freq_lower = 0xffff;
BK1080_freq_upper = 0;
for (i = 0; i < ARRAY_SIZE(FM_RADIO_FREQ_BAND_TABLE); i++)
if (!is_init)
{
const uint16_t lower = FM_RADIO_FREQ_BAND_TABLE[i].lower;
const uint16_t upper = FM_RADIO_FREQ_BAND_TABLE[i].upper;
BK1080_freq_lower = 0xffff;
BK1080_freq_upper = 0;
if (BK1080_freq_lower > lower)
BK1080_freq_lower = lower;
// if (BK1080_freq_lower > upper)
// BK1080_freq_lower = upper;
// if (BK1080_freq_upper < lower)
// BK1080_freq_upper = lower;
if (BK1080_freq_upper < upper)
BK1080_freq_upper = upper;
for (i = 0; i < ARRAY_SIZE(FM_RADIO_FREQ_BAND_TABLE); i++)
{
const uint16_t lower = FM_RADIO_FREQ_BAND_TABLE[i].lower;
const uint16_t upper = FM_RADIO_FREQ_BAND_TABLE[i].upper;
if (BK1080_freq_lower > lower)
BK1080_freq_lower = lower;
// if (BK1080_freq_lower > upper)
// BK1080_freq_lower = upper;
// if (BK1080_freq_upper < lower)
// BK1080_freq_upper = lower;
if (BK1080_freq_upper < upper)
BK1080_freq_upper = upper;
}
}
#else
// only 1 band is used
BK1080_freq_lower = FM_RADIO_FREQ_BAND_TABLE[0].lower;
BK1080_freq_upper = FM_RADIO_FREQ_BAND_TABLE[0].upper;
if (!is_init)
{
BK1080_freq_lower = FM_RADIO_FREQ_BAND_TABLE[0].lower;
BK1080_freq_upper = FM_RADIO_FREQ_BAND_TABLE[0].upper;
}
#endif
if (initialise)
@ -161,6 +167,8 @@ void BK1080_Init(const uint16_t frequency, const bool initialise)
{
BK1080_WriteRegister(BK1080_REG_02_POWER_CONFIGURATION, (1u << 9) | (1u << 0));
}
BK1080_WriteRegister(BK1080_REG_05_SYSTEM_CONFIGURATION2, 0x0A5F); // 0000 1010 0101 1111
BK1080_SetFrequency(frequency);
}
@ -218,14 +226,15 @@ void BK1080_SetFrequency(uint16_t Frequency)
Frequency = BK1080_freq_lower;
// return;
}
BK1080_WriteRegister(BK1080_REG_05_SYSTEM_CONFIGURATION2, (SEEK_THRESHOLD << 8) | (band << 6) | (CHAN_SPACING << 4) | (VOLUME << 0));
#endif
channel = Frequency - FM_RADIO_FREQ_BAND_TABLE[band].lower; // 100kHz channel spacing
BK1080_WriteRegister(BK1080_REG_05_SYSTEM_CONFIGURATION2, (SEEK_THRESHOLD << 8) | (band << 6) | (CHAN_SPACING << 4) | (VOLUME << 0));
BK1080_WriteRegister(BK1080_REG_03_CHANNEL, channel);
SYSTEM_DelayMs(1);
BK1080_WriteRegister(BK1080_REG_03_CHANNEL, channel | (1u << 15));
}