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fix imbalance of gain (based on hugen79 values with a little bit more fine tuning to eliminate discontinuities)

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qrp73 2019-10-05 23:48:19 +03:00
parent 957eacff27
commit 675b5bb3bc
1 changed files with 10 additions and 10 deletions
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20
main.c
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@ -269,23 +269,23 @@ static void cmd_reset(BaseSequentialStream *chp, int argc, char *argv[])
; ;
} }
const int8_t gain_table[] = { // {gainLeft, gainRight}
0, // 0 ~ 300MHz const int8_t gain_table[][2] = {
40, // 300 ~ 600MHz { 0, 0 }, // 1st: 0 ~ 300MHz
50, // 600 ~ 900MHz { 43, 40 }, // 2nd: 300 ~ 600MHz
75, // 900 ~ 1200MHz { 53, 50 }, // 3rd: 600 ~ 900MHz
85, // 1200 ~ 1400MHz { 75, 72 }, // 4th: 900 ~ 1200MHz
95 // 1400MHz ~ { 83, 80 }, // 5th: 1200 ~ 1400MHz
{ 93, 90 }, // 6th: 1400MHz ~
}; };
static int static int adjust_gain(int newfreq)
adjust_gain(int newfreq)
{ {
int delay = 0; int delay = 0;
int new_order = newfreq / FREQ_HARMONICS; int new_order = newfreq / FREQ_HARMONICS;
int old_order = frequency / FREQ_HARMONICS; int old_order = frequency / FREQ_HARMONICS;
if (new_order != old_order) { if (new_order != old_order) {
tlv320aic3204_set_gain(gain_table[new_order], gain_table[new_order]); tlv320aic3204_set_gain(gain_table[new_order][0], gain_table[new_order][1]);
delay += 10; delay += 10;
} }
return delay; return delay;