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Fix default front end gain setting

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OneOfEleven 2023-10-25 21:05:47 +01:00
parent 30dfb07004
commit eec77fb93c
8 changed files with 78 additions and 56 deletions
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33
am_fix.c
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@ -51,10 +51,10 @@
// <7:5> = LNA Gain // <7:5> = LNA Gain
// 7 = 0dB // 7 = 0dB
// 6 = -2dB // 6 = -2dB
// 5 = -4dB // 5 = -4dB < original value
// 4 = -6dB // 4 = -6dB
// 3 = -9dB // 3 = -9dB
// 2 = -14dB < original value // 2 = -14dB
// 1 = -19dB // 1 = -19dB
// 0 = -24dB // 0 = -24dB
// //
@ -112,7 +112,6 @@
static const unsigned int original_index = 1; static const unsigned int original_index = 1;
#else #else
{0x0000, -98}, // 1 .. 0 0 0 0 .. -33dB -24dB -8dB -33dB .. -98dB {0x0000, -98}, // 1 .. 0 0 0 0 .. -33dB -24dB -8dB -33dB .. -98dB
{0x0008, -96}, // 2 .. 0 0 1 0 .. -33dB -24dB -6dB -33dB .. -96dB {0x0008, -96}, // 2 .. 0 0 1 0 .. -33dB -24dB -6dB -33dB .. -96dB
{0x0100, -95}, // 3 .. 1 0 0 0 .. -30dB -24dB -8dB -33dB .. -95dB {0x0100, -95}, // 3 .. 1 0 0 0 .. -30dB -24dB -8dB -33dB .. -95dB
@ -192,26 +191,26 @@
{0x03D3, -20}, // 77 .. 3 6 2 3 .. 0dB -2dB -3dB -15dB .. -20dB {0x03D3, -20}, // 77 .. 3 6 2 3 .. 0dB -2dB -3dB -15dB .. -20dB
{0x03BB, -19}, // 78 .. 3 5 3 3 .. 0dB -4dB 0dB -15dB .. -19dB {0x03BB, -19}, // 78 .. 3 5 3 3 .. 0dB -4dB 0dB -15dB .. -19dB
{0x037C, -18}, // 79 .. 3 3 3 4 .. 0dB -9dB 0dB -9dB .. -18dB {0x037C, -18}, // 79 .. 3 3 3 4 .. 0dB -9dB 0dB -9dB .. -18dB
{0x035E, -17}, // 80 .. 3 2 3 6 .. 0dB -14dB 0dB -3dB .. -17dB original {0x03CC, -17}, // 80 .. 3 6 1 4 .. 0dB -2dB -6dB -9dB .. -17dB
{0x03C5, -16}, // 81 .. 3 6 0 5 .. 0dB -2dB -8dB -6dB .. -16dB {0x03C5, -16}, // 81 .. 3 6 0 5 .. 0dB -2dB -8dB -6dB .. -16dB
{0x03EC, -15}, // 82 .. 3 7 1 4 .. 0dB 0dB -6dB -9dB .. -15dB {0x03EC, -15}, // 82 .. 3 7 1 4 .. 0dB 0dB -6dB -9dB .. -15dB
{0x035F, -14}, // 83 .. 3 2 3 7 .. 0dB -14dB 0dB 0dB .. -14dB {0x035F, -14}, // 83 .. 3 2 3 7 .. 0dB -14dB 0dB 0dB .. -14dB
{0x03C6, -13}, // 84 .. 3 6 0 6 .. 0dB -2dB -8dB -3dB .. -13dB {0x03BC, -13}, // 84 .. 3 5 3 4 .. 0dB -4dB 0dB -9dB .. -13dB
{0x0377, -12}, // 85 .. 3 3 2 7 .. 0dB -9dB -3dB 0dB .. -12dB {0x038F, -12}, // 85 .. 3 4 1 7 .. 0dB -6dB -6dB 0dB .. -12dB
{0x03E6, -11}, // 86 .. 3 7 0 6 .. 0dB 0dB -8dB -3dB .. -11dB {0x03E6, -11}, // 86 .. 3 7 0 6 .. 0dB 0dB -8dB -3dB .. -11dB
{0x03BD, -10}, // 87 .. 3 5 3 5 .. 0dB -4dB 0dB -6dB .. -10dB {0x03AF, -10}, // 87 .. 3 5 1 7 .. 0dB -4dB -6dB 0dB .. -10dB
{0x03F5, -9}, // 88 .. 3 7 2 5 .. 0dB 0dB -3dB -6dB .. -9dB {0x03F5, -9 }, // 88 .. 3 7 2 5 .. 0dB 0dB -3dB -6dB .. -9dB
{0x03DD, -8}, // 89 .. 3 6 3 5 .. 0dB -2dB 0dB -6dB .. -8dB {0x03D6, -8 }, // 89 .. 3 6 2 6 .. 0dB -2dB -3dB -3dB .. -8dB
{0x03B7, -7}, // 90 .. 3 5 2 7 .. 0dB -4dB -3dB 0dB .. -7dB {0x03BE, -7 }, // 90 .. 3 5 3 6 .. 0dB -4dB 0dB -3dB .. -7dB original
{0x03F6, -6}, // 91 .. 3 7 2 6 .. 0dB 0dB -3dB -3dB .. -6dB {0x03F6, -6 }, // 91 .. 3 7 2 6 .. 0dB 0dB -3dB -3dB .. -6dB
{0x03D7, -5}, // 92 .. 3 6 2 7 .. 0dB -2dB -3dB 0dB .. -5dB {0x03DE, -5 }, // 92 .. 3 6 3 6 .. 0dB -2dB 0dB -3dB .. -5dB
{0x03BF, -4}, // 93 .. 3 5 3 7 .. 0dB -4dB 0dB 0dB .. -4dB {0x03BF, -4 }, // 93 .. 3 5 3 7 .. 0dB -4dB 0dB 0dB .. -4dB
{0x03F7, -3}, // 94 .. 3 7 2 7 .. 0dB 0dB -3dB 0dB .. -3dB {0x03F7, -3 }, // 94 .. 3 7 2 7 .. 0dB 0dB -3dB 0dB .. -3dB
{0x03DF, -2}, // 95 .. 3 6 3 7 .. 0dB -2dB 0dB 0dB .. -2dB {0x03DF, -2 }, // 95 .. 3 6 3 7 .. 0dB -2dB 0dB 0dB .. -2dB
{0x03FF, 0} // 96 .. 3 7 3 7 .. 0dB 0dB 0dB 0dB .. 0dB {0x03FF, 0 }, // 96 .. 3 7 3 7 .. 0dB 0dB 0dB 0dB .. 0dB
}; };
static const unsigned int original_index = 80; static const unsigned int original_index = 90;
#endif #endif

12
app/app.c
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@ -68,8 +68,9 @@
#include "ui/ui.h" #include "ui/ui.h"
// original QS front end register settings // original QS front end register settings
// 0x03BE 00000 011 101 11 110
const uint8_t orig_lna_short = 3; // 0dB const uint8_t orig_lna_short = 3; // 0dB
const uint8_t orig_lna = 2; // -14dB const uint8_t orig_lna = 5; // -4dB
const uint8_t orig_mixer = 3; // 0dB const uint8_t orig_mixer = 3; // 0dB
const uint8_t orig_pga = 6; // -3dB const uint8_t orig_pga = 6; // -3dB
@ -570,18 +571,27 @@ bool APP_start_listening(function_type_t Function, const bool reset_am_fix)
AM_fix_10ms(chan); AM_fix_10ms(chan);
} }
else else
{
BK4819_WriteRegister(0x13, (lna_short << 8) | (lna << 5) | (mixer << 3) | (pga << 0)); BK4819_WriteRegister(0x13, (lna_short << 8) | (lna << 5) | (mixer << 3) | (pga << 0));
} }
}
#else #else
(void)reset_am_fix; (void)reset_am_fix;
#endif #endif
// AF gain - original QS values // AF gain - original QS values
if (g_rx_vfo->am_mode)
{
BK4819_WriteRegister(0x48, 0xB3A8);
}
else
{
BK4819_WriteRegister(0x48, BK4819_WriteRegister(0x48,
(11u << 12) | // ??? .. 0 to 15, doesn't seem to make any difference (11u << 12) | // ??? .. 0 to 15, doesn't seem to make any difference
( 0u << 10) | // AF Rx Gain-1 ( 0u << 10) | // AF Rx Gain-1
(g_eeprom.volume_gain << 4) | // AF Rx Gain-2 (g_eeprom.volume_gain << 4) | // AF Rx Gain-2
(g_eeprom.dac_gain << 0)); // AF DAC Gain (after Gain-1 and Gain-2) (g_eeprom.dac_gain << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
}
#ifdef ENABLE_VOICE #ifdef ENABLE_VOICE
#ifdef MUTE_AUDIO_FOR_VOICE #ifdef MUTE_AUDIO_FOR_VOICE

8
driver/bk4819.c
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@ -53,8 +53,8 @@ void BK4819_Init(void)
BK4819_WriteRegister(0x37, 0x1D0F); BK4819_WriteRegister(0x37, 0x1D0F);
BK4819_WriteRegister(0x36, 0x0022); BK4819_WriteRegister(0x36, 0x0022);
// BK4819_DisableAGC(); BK4819_DisableAGC();
BK4819_EnableAGC(); // BK4819_EnableAGC();
BK4819_WriteRegister(0x19, 0x1041); // 0001 0000 0100 0001 <15> MIC AGC 1 = disable 0 = enable BK4819_WriteRegister(0x19, 0x1041); // 0001 0000 0100 0001 <15> MIC AGC 1 = disable 0 = enable
@ -312,7 +312,7 @@ void BK4819_DisableAGC(void)
// 1 = -27dB // 1 = -27dB
// 0 = -33dB // 0 = -33dB
// //
BK4819_WriteRegister(0x13, (3u << 8) | (2u << 5) | (3u << 3) | (6u << 0)); // 000000 11 101 11 110 BK4819_WriteRegister(0x13, (3u << 8) | (5u << 5) | (3u << 3) | (6u << 0)); // 000000 11 101 11 110
BK4819_WriteRegister(0x12, 0x037B); // 000000 11 011 11 011 BK4819_WriteRegister(0x12, 0x037B); // 000000 11 011 11 011
BK4819_WriteRegister(0x11, 0x027B); // 000000 10 011 11 011 BK4819_WriteRegister(0x11, 0x027B); // 000000 10 011 11 011
BK4819_WriteRegister(0x10, 0x007A); // 000000 00 011 11 010 BK4819_WriteRegister(0x10, 0x007A); // 000000 00 011 11 010
@ -351,7 +351,7 @@ void BK4819_EnableAGC(void)
(5u << 3) | // 5 DC Filter band width for Tx (MIC In) (5u << 3) | // 5 DC Filter band width for Tx (MIC In)
(6u << 0)); // 6 DC Filter band width for Rx (I.F In) (6u << 0)); // 6 DC Filter band width for Rx (I.F In)
BK4819_WriteRegister(0x13, (3u << 8) | (2u << 5) | (3u << 3) | (6u << 0)); // 000000 11 101 11 110 BK4819_WriteRegister(0x13, (3u << 8) | (5u << 5) | (3u << 3) | (6u << 0)); // 000000 11 101 11 110
BK4819_WriteRegister(0x12, 0x037C); BK4819_WriteRegister(0x12, 0x037C);
BK4819_WriteRegister(0x11, 0x027B); BK4819_WriteRegister(0x11, 0x027B);
BK4819_WriteRegister(0x10, 0x007A); BK4819_WriteRegister(0x10, 0x007A);

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firmware.bin
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firmware.packed.bin
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59
mdc1200.c
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@ -9,13 +9,16 @@
#define FEC_K 7 #define FEC_K 7
// MDC1200 sync bit reversals and packet sync // **********************************************************
// pre-amble and sync pattern
// //
// >= 24-bit pre-amble // >= 24-bit pre-amble
// 40-bit sync // 40-bit sync
// //
static const uint8_t pre_amble[] = {0x00, 0x00, 0x00, 0x00, 0x00}; static const uint8_t pre_amble[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0xCC};
static const uint8_t sync[] = {0xCC, 0x07, 0x09, 0x2a, 0x44, 0x6f}; static const uint8_t sync[] = {0x07, 0x09, 0x2a, 0x44, 0x6f};
/* /*
uint8_t bit_reverse_8(uint8_t n) uint8_t bit_reverse_8(uint8_t n)
{ {
@ -45,6 +48,7 @@ uint32_t bit_reverse_32(uint32_t n)
} }
*/ */
// ************************************ // ************************************
// common
#if 0 #if 0
@ -105,6 +109,7 @@ uint32_t bit_reverse_32(uint32_t n)
#endif #endif
// ************************************ // ************************************
// RX
void error_correction(uint8_t *data) void error_correction(uint8_t *data)
{ // can correct up to 3 or 4 corrupted bits (I think) { // can correct up to 3 or 4 corrupted bits (I think)
@ -147,26 +152,6 @@ void error_correction(uint8_t *data)
} }
} }
} }
void xor_modulation(uint8_t *data, const unsigned int size)
{ // exclusive-or succesive bits - the entire packet
unsigned int i;
uint8_t prev_bit = 0;
for (i = 0; i < size; i++)
{
int bit_num;
uint8_t in = data[i];
uint8_t out = 0;
for (bit_num = 7; bit_num >= 0; bit_num--)
{
const uint8_t new_bit = (in >> bit_num) & 1u;
if (new_bit != prev_bit)
out |= 1u << bit_num; // previous bit and new bit are different - send a '1'
prev_bit = new_bit;
}
data[i] = out ^ 0xff;
}
}
/* /*
void xor_demodulation(uint8_t *data, const unsigned int size, const bool sync_inverted) void xor_demodulation(uint8_t *data, const unsigned int size, const bool sync_inverted)
{ {
@ -256,6 +241,29 @@ bool decode_data(uint8_t *data)
return (crc1 == crc2) ? true : false; return (crc1 == crc2) ? true : false;
} }
// **********************************************************
// TX
void xor_modulation(uint8_t *data, const unsigned int size)
{ // exclusive-or succesive bits - the entire packet
unsigned int i;
uint8_t prev_bit = 0;
for (i = 0; i < size; i++)
{
int bit_num;
uint8_t in = data[i];
uint8_t out = 0;
for (bit_num = 7; bit_num >= 0; bit_num--)
{
const uint8_t new_bit = (in >> bit_num) & 1u;
if (new_bit != prev_bit)
out |= 1u << bit_num; // previous bit and new bit are different - send a '1'
prev_bit = new_bit;
}
data[i] = out ^ 0xff;
}
}
uint8_t * encode_data(uint8_t *data) uint8_t * encode_data(uint8_t *data)
{ {
// R=1/2 K=7 convolutional coder // R=1/2 K=7 convolutional coder
@ -431,6 +439,9 @@ unsigned int MDC1200_encode_double_packet(uint8_t *data, const uint8_t op, const
} }
*/ */
// **********************************************************
// RX
struct { struct {
uint8_t bit; uint8_t bit;
uint8_t prev_bit; uint8_t prev_bit;
@ -617,6 +628,8 @@ bool MDC1200_process_rx(const uint8_t rx_byte, uint8_t *op, uint8_t *arg, uint16
return false; return false;
} }
// **********************************************************
/* /*
void test(void) void test(void)
{ {

8
utils/main.cpp
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@ -36,10 +36,10 @@
// <7:5> = LNA Gain // <7:5> = LNA Gain
// 7 = 0dB // 7 = 0dB
// 6 = -2dB // 6 = -2dB
// 5 = -4dB // 5 = -4dB < original value
// 4 = -6dB // 4 = -6dB
// 3 = -9dB // 3 = -9dB
// 2 = -14dB < original value // 2 = -14dB
// 1 = -19dB // 1 = -19dB
// 0 = -24dB // 0 = -24dB
// //
@ -87,7 +87,7 @@ void create_gain_table(const char *filename)
const int16_t pga_dB[8] = { (-33), (-27), (-21), (-15), (-9), (-6), (-3), (0)}; const int16_t pga_dB[8] = { (-33), (-27), (-21), (-15), (-9), (-6), (-3), (0)};
const uint8_t orig_lna_short = 3; const uint8_t orig_lna_short = 3;
const uint8_t orig_lna = 2; const uint8_t orig_lna = 5;
const uint8_t orig_mixer = 3; const uint8_t orig_mixer = 3;
const uint8_t orig_pga = 6; const uint8_t orig_pga = 6;
@ -581,7 +581,7 @@ int main(int argc, char* argv[])
rotate_font("uv-k5_small.bin", "uv-k5_small.c"); rotate_font("uv-k5_small.bin", "uv-k5_small.c");
rotate_font("uv-k5_small_bold.bin", "uv-k5_small_bold.c"); rotate_font("uv-k5_small_bold.bin", "uv-k5_small_bold.c");
rotate_font_4x5("uv-k5_small_4x5.bin", "uv-k5_small_4x5.c"); // rotate_font_4x5("uv-k5_small_4x5.bin", "uv-k5_small_4x5.c");
return 0; return 0;
} }

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utils/misc.exe
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