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Code Issues Releases Activity

Squelch and backlight adjustments

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OneOfEleven
2023-10-16 18:19:28 +01:00
parent d95adde3a6
commit 613fc482cc
14 changed files with 165 additions and 120 deletions
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91
radio.c
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@ -434,20 +434,23 @@ void RADIO_ConfigureSquelchAndOutputPower(vfo_info_t *pInfo)
Band = FREQUENCY_GetBand(pInfo->p_rx->frequency);
uint16_t Base = (Band < BAND4_174MHz) ? 0x1E60 : 0x1E00;
// note that 'noise' and 'glitch' values are inverted compared to 'rssi' values
if (g_eeprom.squelch_level == 0)
{ // squelch == 0 (off)
pInfo->squelch_open_rssi_thresh = 0; // 0 ~ 255
pInfo->squelch_open_noise_thresh = 127; // 127 ~ 0
pInfo->squelch_close_glitch_thresh = 255; // 255 ~ 0
pInfo->squelch_close_rssi_thresh = 0; // 0 ~ 255
pInfo->squelch_open_noise_thresh = 127; // 127 ~ 0
pInfo->squelch_close_noise_thresh = 127; // 127 ~ 0
pInfo->squelch_close_glitch_thresh = 255; // 255 ~ 0
pInfo->squelch_open_glitch_thresh = 255; // 255 ~ 0
}
else
{ // squelch >= 1
Base += g_eeprom.squelch_level; // my eeprom squelch-1
// VHF UHF
Base += g_eeprom.squelch_level; // my eeprom squelch-1
// VHF UHF
EEPROM_ReadBuffer(Base + 0x00, &pInfo->squelch_open_rssi_thresh, 1); // 50 10
EEPROM_ReadBuffer(Base + 0x10, &pInfo->squelch_close_rssi_thresh, 1); // 40 5
@ -457,56 +460,78 @@ void RADIO_ConfigureSquelchAndOutputPower(vfo_info_t *pInfo)
EEPROM_ReadBuffer(Base + 0x40, &pInfo->squelch_close_glitch_thresh, 1); // 90 90
EEPROM_ReadBuffer(Base + 0x50, &pInfo->squelch_open_glitch_thresh, 1); // 100 100
uint16_t rssi_open = pInfo->squelch_open_rssi_thresh;
uint16_t rssi_close = pInfo->squelch_close_rssi_thresh;
uint16_t noise_open = pInfo->squelch_open_noise_thresh;
uint16_t noise_close = pInfo->squelch_close_noise_thresh;
uint16_t glitch_open = pInfo->squelch_open_glitch_thresh;
uint16_t glitch_close = pInfo->squelch_close_glitch_thresh;
// *********
// used in AM mode
int16_t rssi_open = pInfo->squelch_open_rssi_thresh; // 0 ~ 255
int16_t rssi_close = pInfo->squelch_close_rssi_thresh; // 0 ~ 255
// used in FM mode
int16_t noise_open = pInfo->squelch_open_noise_thresh; // 127 ~ 0
int16_t noise_close = pInfo->squelch_close_noise_thresh; // 127 ~ 0
// used in both modes ?
int16_t glitch_open = pInfo->squelch_open_glitch_thresh; // 255 ~ 0
int16_t glitch_close = pInfo->squelch_close_glitch_thresh; // 255 ~ 0
// *********
#if ENABLE_SQUELCH_MORE_SENSITIVE
// make squelch a little more sensitive
//
// getting the best setting here is still experimental, bare with me
//
// note that 'noise' and 'glitch' values are inverted compared to 'rssi' values
// getting the best general settings here is experimental, bare with me
#if 0
rssi_open = (rssi_open * 8) / 9;
// rssi_open = (rssi_open * 8) / 9;
noise_open = (noise_open * 9) / 8;
glitch_open = (glitch_open * 9) / 8;
#else
// even more sensitive .. use when RX bandwidths are fixed (no weak signal auto adjust)
rssi_open = (rssi_open * 1) / 2;
// rssi_open = (rssi_open * 1) / 2;
noise_open = (noise_open * 2) / 1;
glitch_open = (glitch_open * 2) / 1;
#endif
#else
// more sensitive .. use when RX bandwidths are fixed (no weak signal auto adjust)
rssi_open = (rssi_open * 3) / 4;
// rssi_open = (rssi_open * 3) / 4;
noise_open = (noise_open * 4) / 3;
glitch_open = (glitch_open * 4) / 3;
#endif
rssi_close = (rssi_open * 9) / 10;
noise_close = (noise_open * 10) / 9;
glitch_close = (glitch_open * 10) / 9;
// *********
// ensure the 'close' threshold is lower than the 'open' threshold
if (rssi_close == rssi_open && rssi_close >= 2)
rssi_close -= 2;
if (noise_close == noise_open && noise_close <= 125)
noise_close += 2;
if (glitch_close == glitch_open && glitch_close <= 253)
glitch_close += 2;
// ie, maintain a minimum level of hysteresis
pInfo->squelch_open_rssi_thresh = (rssi_open > 255) ? 255 : rssi_open;
pInfo->squelch_close_rssi_thresh = (rssi_close > 255) ? 255 : rssi_close;
pInfo->squelch_open_noise_thresh = (noise_open > 127) ? 127 : noise_open;
pInfo->squelch_close_noise_thresh = (noise_close > 127) ? 127 : noise_close;
pInfo->squelch_open_glitch_thresh = (glitch_open > 255) ? 255 : glitch_open;
pInfo->squelch_close_glitch_thresh = (glitch_close > 255) ? 255 : glitch_close;
// rssi_close = (rssi_open * 4) / 6;
noise_close = (noise_open * 6) / 4;
glitch_close = (glitch_open * 6) / 4;
// if (rssi_open < 8)
// rssi_open = 8;
// if (rssi_close > (rssi_open - 8))
// rssi_close = rssi_open - 8;
if (noise_open > (127 - 4))
noise_open = 127 - 4;
if (noise_close < (noise_open + 4))
noise_close = noise_open + 4;
if (glitch_open > (255 - 8))
glitch_open = 255 - 8;
if (glitch_close < (glitch_open + 8))
glitch_close = glitch_open + 8;
// *********
pInfo->squelch_open_rssi_thresh = (rssi_open > 255) ? 255 : (rssi_open < 0) ? 0 : rssi_open;
pInfo->squelch_close_rssi_thresh = (rssi_close > 255) ? 255 : (rssi_close < 0) ? 0 : rssi_close;
pInfo->squelch_open_noise_thresh = (noise_open > 127) ? 127 : (noise_open < 0) ? 0 : noise_open;
pInfo->squelch_close_noise_thresh = (noise_close > 127) ? 127 : (noise_close < 0) ? 0 : noise_close;
pInfo->squelch_open_glitch_thresh = (glitch_open > 255) ? 255 : (glitch_open < 0) ? 0 : glitch_open;
pInfo->squelch_close_glitch_thresh = (glitch_close > 255) ? 255 : (glitch_close < 0) ? 0 : glitch_close;
}
// *******************************