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SSB, BYP, RAW demodulation modes added #64

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This commit is contained in:
Krzysiek Egzmont
2023-10-31 17:23:10 +01:00
parent 72fc4bf52f
commit 388c3dadf1
14 changed files with 146 additions and 89 deletions
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13
driver/bk4819-regs.h
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@@ -17,6 +17,19 @@
#ifndef BK4819_REGS_H
#define BK4819_REGS_H
typedef struct {
const char *name;
uint8_t num;
uint8_t offset;
uint16_t mask;
uint16_t inc;
} RegisterSpec;
static const RegisterSpec afcDisableRegSpec = {"AFC Disable", 0x73, 4, 1, 1};
static const RegisterSpec afOutRegSpec = {"AF Output Select", 0x47, 8, 0xF, 1};
static const RegisterSpec afDacGainRegSpec = {"AF DAC Gain", 0x48, 0, 0xF, 1};
enum BK4819_REGISTER_t {
BK4819_REG_00 = 0x00U,
BK4819_REG_02 = 0x02U,

6
driver/bk4819.c
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@@ -798,6 +798,12 @@ void BK4819_SetAF(BK4819_AF_Type_t AF)
BK4819_WriteRegister(BK4819_REG_47, (6u << 12) | (AF << 8) | (1u << 6));
}
void BK4819_SetRegValue(RegisterSpec s, uint16_t v) {
uint16_t reg = BK4819_ReadRegister(s.num);
reg &= ~(s.mask << s.offset);
BK4819_WriteRegister(s.num, reg | (v << s.offset));
}
void BK4819_RX_TurnOn(void)
{
// DSP Voltage Setting = 1

7
driver/bk4819.h
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@@ -28,12 +28,12 @@ enum BK4819_AF_Type_t
BK4819_AF_FM = 1u, // FM
BK4819_AF_ALAM = 2u, //
BK4819_AF_BEEP = 3u, //
BK4819_AF_BASEBAND1 = 4u, // SSB
BK4819_AF_BASEBAND2 = 5u, // SSB
BK4819_AF_BASEBAND1 = 4u, // RAW
BK4819_AF_BASEBAND2 = 5u, // USB
BK4819_AF_CTCO = 6u, // strange LF audio .. maybe the CTCSS LF line ?
BK4819_AF_AM = 7u, // AM
BK4819_AF_FSKO = 8u, // nothing
BK4819_AF_UNKNOWN3 = 9u, // distorted
BK4819_AF_UNKNOWN3 = 9u, // BYP
BK4819_AF_UNKNOWN4 = 10u, // nothing at all
BK4819_AF_UNKNOWN5 = 11u, // distorted
BK4819_AF_UNKNOWN6 = 12u, // distorted
@@ -68,6 +68,7 @@ extern bool gRxIdleMode;
void BK4819_Init(void);
uint16_t BK4819_ReadRegister(BK4819_REGISTER_t Register);
void BK4819_WriteRegister(BK4819_REGISTER_t Register, uint16_t Data);
void BK4819_SetRegValue(RegisterSpec s, uint16_t v);
void BK4819_WriteU8(uint8_t Data);
void BK4819_WriteU16(uint16_t Data);