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More efficient AM fix table and code

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OneOfEleven
2023-10-03 20:03:04 +01:00
parent 4b17aa6d3f
commit 8fb9825ad8
5 changed files with 208 additions and 143 deletions
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105
utils/main.cpp
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@ -93,15 +93,29 @@ void create_gain_table(const char *filename)
mixer_dB[orig_mixer] +
pga_dB[orig_pga];
const uint8_t lna_short_min = 0; // 0
const uint8_t lna_min = 0; // 0
const uint8_t mixer_min = 0; // 0
const uint8_t pga_min = 0; // 0
#if 0
// full table
const uint8_t lna_short_min = 0; // 0
const uint8_t lna_min = 0; // 0
const uint8_t mixer_min = 0; // 0
const uint8_t pga_min = 0; // 0
const uint8_t lna_short_max = 3; // 3
const uint8_t lna_max = 7; // 5
const uint8_t mixer_max = 3; // 3
const uint8_t pga_max = 7; // 7
const uint8_t lna_short_max = 3; // 3
const uint8_t lna_max = 7; // 5
const uint8_t mixer_max = 3; // 3
const uint8_t pga_max = 7; // 7
#else
// just one register changes
const uint8_t lna_short_min = 0;
const uint8_t lna_min = 2;
const uint8_t mixer_min = 3;
const uint8_t pga_min = 6;
const uint8_t lna_short_max = 3;
const uint8_t lna_max = 2;
const uint8_t mixer_max = 3;
const uint8_t pga_max = 6;
#endif
uint8_t lna_short = lna_short_min;
uint8_t lna = lna_min;
@ -246,31 +260,70 @@ void create_gain_table(const char *filename)
fprintf(file, "\n");
fprintf(file, "\tconst t_am_fix_gain_table am_fix_gain_table[] =\n");
fprintf(file, "\t{\n");
fprintf(file, "\t\t{.lna_short = 3, .lna = 2, .mixer = 3, .pga = 6}, // 0 0dB -14dB 0dB -3dB .. -17dB original\n\n");
for (unsigned int i = 0; i < gain_table.size(); i++)
#if 0
fprintf(file, "\t\t{.lna_short = 3, .lna = 2, .mixer = 3, .pga = 6}, // 0 0dB -14dB 0dB -3dB .. -17dB original\n\n");
for (unsigned int i = 0; i < gain_table.size(); i++)
{
char s[1024];
const t_gain_table entry = gain_table[i];
sprintf(s, "\t\t{%u, %u, %u, %u}, // %3u .. %3ddB %3ddB %2ddB %3ddB .. %3ddB",
entry.lna_short,
entry.lna,
entry.mixer,
entry.pga,
1 + i,
entry.lna_short_dB,
entry.lna_dB,
entry.mixer_dB,
entry.pga_dB,
entry.sum_dB);
if (i == original_index)
strcat(s, " original");
fprintf(file, "%s\n", s);
}
#else
{
char s[1024];
//BK4819_WriteRegister(BK4819_REG_13, ((uint16_t)gains.lna_short << 8) | ((uint16_t)gains.lna << 5) | ((uint16_t)gains.mixer << 3) | ((uint16_t)gains.pga << 0));
const t_gain_table entry = gain_table[i];
uint16_t reg_val;
int16_t sum_dB;
sprintf(s, "\t\t{%u, %u, %u, %u}, // %3u .. %3ddB %3ddB %2ddB %3ddB .. %3ddB",
entry.lna_short,
entry.lna,
entry.mixer,
entry.pga,
1 + i,
entry.lna_short_dB,
entry.lna_dB,
entry.mixer_dB,
entry.pga_dB,
entry.sum_dB);
reg_val = ((uint16_t)orig_lna_short << 8) | ((uint16_t)orig_lna << 5) | ((uint16_t)orig_mixer << 3) | ((uint16_t)orig_pga << 0);
sum_dB = lna_short_dB[orig_lna_short] + lna_dB[orig_lna] + mixer_dB[orig_mixer] + pga_dB[orig_pga];
fprintf(file, "\t\t{0x%04X, %-3d}, // 0 .. 0dB -14dB 0dB -3dB .. -17dB original\n\n", reg_val, sum_dB);
if (i == original_index)
strcat(s, " original");
for (unsigned int i = 0; i < gain_table.size(); i++)
{
char s[1024];
fprintf(file, "%s\n", s);
const t_gain_table entry = gain_table[i];
reg_val = ((uint16_t)entry.lna_short << 8) | ((uint16_t)entry.lna << 5) | ((uint16_t)entry.mixer << 3) | ((uint16_t)entry.pga << 0);
sum_dB = lna_short_dB[entry.lna_short] + lna_dB[entry.lna] + mixer_dB[entry.mixer] + pga_dB[entry.pga];
sprintf(s, "\t\t{0x%04X, %-3d}, // %3u .. %3ddB %3ddB %2ddB %3ddB .. %3ddB",
reg_val,
sum_dB,
1 + i,
entry.lna_short_dB,
entry.lna_dB,
entry.mixer_dB,
entry.pga_dB,
entry.sum_dB);
if (i == original_index)
strcat(s, " original");
fprintf(file, "%s\n", s);
}
}
#endif
fprintf(file, "\t};\n\n");

BIN
utils/misc.exe
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