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Code Issues Releases Activity

more renaming to ease the pain

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OneOfEleven
2023-10-30 14:12:27 +00:00
parent 9a7e03ced5
commit 1517cfc655
13 changed files with 241 additions and 221 deletions
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38
driver/bk1080.c
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@ -33,10 +33,10 @@
#if defined(ENABLE_FMRADIO_64_108)
const freq_band_table_t FM_RADIO_FREQ_BAND_TABLE[] =
{
{875, 1080},
{760, 1080},
{760, 900},
{640, 760}
{875, 1080}, // 87.5 ~ 108 MHz
{760, 1080}, // 76 ~ 108 MHz
{760, 900}, // 76 ~ 90 MHz
{640, 760} // 64 ~ 76 MHz
};
#elif defined(ENABLE_FMRADIO_875_108)
const freq_band_table_t FM_RADIO_FREQ_BAND_TABLE[] =
@ -108,26 +108,32 @@ void BK1080_Init(const uint16_t frequency, const bool initialise)
{
unsigned int i;
// #if (ARRAY_SIZE(FM_RADIO_FREQ_BAND_TABLE) > 1) // compiler doesn't like this :(
#if defined(ENABLE_FMRADIO_64_108)
// determine the lower and upper frequency limits
// 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++)
{
const unsigned int lower = FM_RADIO_FREQ_BAND_TABLE[i].lower;
const unsigned int upper = FM_RADIO_FREQ_BAND_TABLE[i].upper;
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_lower > upper)
// BK1080_freq_lower = upper;
if (BK1080_freq_upper < lower)
BK1080_freq_upper = lower;
// 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;
#endif
@ -144,8 +150,8 @@ void BK1080_Init(const uint16_t frequency, const bool initialise)
SYSTEM_DelayMs(250);
BK1080_WriteRegister(BK1080_REG_25_INTERNAL, 0xA83C);
BK1080_WriteRegister(BK1080_REG_25_INTERNAL, 0xA8BC);
BK1080_WriteRegister(BK1080_REG_25_INTERNAL, 0xA83C); // 1010 1000 0011 1100
BK1080_WriteRegister(BK1080_REG_25_INTERNAL, 0xA8BC); // 1010 1000 1011 1100
SYSTEM_DelayMs(60);
@ -199,18 +205,22 @@ void BK1080_SetFrequency(uint16_t Frequency)
// #if (ARRAY_SIZE(FM_RADIO_FREQ_BAND_TABLE) > 1) // compiler doesn't like this :(
#if defined(ENABLE_FMRADIO_64_108)
// determine which band to use
for (band = 0; band < ARRAY_SIZE(FM_RADIO_FREQ_BAND_TABLE); band++)
if (Frequency >= FM_RADIO_FREQ_BAND_TABLE[band].lower && Frequency < FM_RADIO_FREQ_BAND_TABLE[band].upper)
break;
if (band >= ARRAY_SIZE(FM_RADIO_FREQ_BAND_TABLE))
{
{ // out of band
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