forked from mirror/uv-k5-firmware
968 lines
26 KiB
C
968 lines
26 KiB
C
/* Copyright 2023 Dual Tachyon
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* https://github.com/DualTachyon
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "driver/bk4819.h"
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#include "bsp/dp32g030/gpio.h"
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#include "bsp/dp32g030/portcon.h"
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#include "driver/gpio.h"
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#include "driver/system.h"
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#include "driver/systick.h"
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static const uint16_t FSK_RogerTable[7] = {
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0xF1A2, 0x7446, 0x61A4, 0x6544,
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0x4E8A, 0xE044, 0xEA84,
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};
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static uint16_t gBK4819_GpioOutState;
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bool gRxIdleMode;
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void BK4819_Init(void)
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{
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCN);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SDA);
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BK4819_WriteRegister(BK4819_REG_00, 0x8000);
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BK4819_WriteRegister(BK4819_REG_00, 0x0000);
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BK4819_WriteRegister(BK4819_REG_37, 0x1D0F);
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BK4819_WriteRegister(BK4819_REG_36, 0x0022);
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BK4819_SetAGC(0);
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BK4819_WriteRegister(BK4819_REG_19, 0x1041);
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BK4819_WriteRegister(BK4819_REG_7D, 0xE940);
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BK4819_WriteRegister(BK4819_REG_48, 0xB3A8);
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BK4819_WriteRegister(BK4819_REG_09, 0x006F);
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BK4819_WriteRegister(BK4819_REG_09, 0x106B);
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BK4819_WriteRegister(BK4819_REG_09, 0x2067);
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BK4819_WriteRegister(BK4819_REG_09, 0x3062);
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BK4819_WriteRegister(BK4819_REG_09, 0x4050);
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BK4819_WriteRegister(BK4819_REG_09, 0x5047);
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BK4819_WriteRegister(BK4819_REG_09, 0x603A);
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BK4819_WriteRegister(BK4819_REG_09, 0x702C);
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BK4819_WriteRegister(BK4819_REG_09, 0x8041);
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BK4819_WriteRegister(BK4819_REG_09, 0x9037);
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BK4819_WriteRegister(BK4819_REG_09, 0xA025);
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BK4819_WriteRegister(BK4819_REG_09, 0xB017);
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BK4819_WriteRegister(BK4819_REG_09, 0xC0E4);
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BK4819_WriteRegister(BK4819_REG_09, 0xD0CB);
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BK4819_WriteRegister(BK4819_REG_09, 0xE0B5);
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BK4819_WriteRegister(BK4819_REG_09, 0xF09F);
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BK4819_WriteRegister(BK4819_REG_1F, 0x5454);
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BK4819_WriteRegister(BK4819_REG_3E, 0xA037);
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gBK4819_GpioOutState = 0x9000;
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BK4819_WriteRegister(BK4819_REG_33, 0x9000);
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BK4819_WriteRegister(BK4819_REG_3F, 0);
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}
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static uint16_t BK4819_ReadU16(void)
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{
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uint8_t i;
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uint16_t Value;
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PORTCON_PORTC_IE = (PORTCON_PORTC_IE & ~PORTCON_PORTC_IE_C2_MASK) | PORTCON_PORTC_IE_C2_BITS_ENABLE;
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GPIOC->DIR = (GPIOC->DIR & ~GPIO_DIR_2_MASK) | GPIO_DIR_2_BITS_INPUT;
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SYSTICK_DelayUs(1);
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Value = 0;
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for (i = 0; i < 16; i++) {
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Value <<= 1;
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Value |= GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SDA);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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SYSTICK_DelayUs(1);
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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SYSTICK_DelayUs(1);
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}
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PORTCON_PORTC_IE = (PORTCON_PORTC_IE & ~PORTCON_PORTC_IE_C2_MASK) | PORTCON_PORTC_IE_C2_BITS_DISABLE;
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GPIOC->DIR = (GPIOC->DIR & ~GPIO_DIR_2_MASK) | GPIO_DIR_2_BITS_OUTPUT;
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return Value;
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}
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uint16_t BK4819_ReadRegister(BK4819_REGISTER_t Register)
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{
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uint16_t Value;
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCN);
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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SYSTICK_DelayUs(1);
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCN);
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BK4819_WriteU8(Register | 0x80);
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Value = BK4819_ReadU16();
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCN);
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SYSTICK_DelayUs(1);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SDA);
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return Value;
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}
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void BK4819_WriteRegister(BK4819_REGISTER_t Register, uint16_t Data)
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{
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCN);
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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SYSTICK_DelayUs(1);
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCN);
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BK4819_WriteU8(Register);
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SYSTICK_DelayUs(1);
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BK4819_WriteU16(Data);
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SYSTICK_DelayUs(1);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCN);
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SYSTICK_DelayUs(1);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SDA);
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}
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void BK4819_WriteU8(uint8_t Data)
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{
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uint8_t i;
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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for (i = 0; i < 8; i++) {
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if ((Data & 0x80U) == 0) {
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SDA);
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} else {
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SDA);
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}
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SYSTICK_DelayUs(1);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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SYSTICK_DelayUs(1);
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Data <<= 1;
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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SYSTICK_DelayUs(1);
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}
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}
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void BK4819_WriteU16(uint16_t Data)
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{
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uint8_t i;
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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for (i = 0; i < 16; i++) {
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if ((Data & 0x8000U) == 0U) {
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SDA);
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} else {
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SDA);
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}
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SYSTICK_DelayUs(1);
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GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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Data <<= 1;
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SYSTICK_DelayUs(1);
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GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_BK4819_SCL);
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SYSTICK_DelayUs(1);
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}
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}
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void BK4819_SetAGC(uint8_t Value)
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{
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if (Value == 0) {
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BK4819_WriteRegister(BK4819_REG_13, 0x03BE);
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BK4819_WriteRegister(BK4819_REG_12, 0x037B);
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BK4819_WriteRegister(BK4819_REG_11, 0x027B);
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BK4819_WriteRegister(BK4819_REG_10, 0x007A);
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BK4819_WriteRegister(BK4819_REG_14, 0x0019);
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BK4819_WriteRegister(BK4819_REG_49, 0x2A38);
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BK4819_WriteRegister(BK4819_REG_7B, 0x8420);
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} else if (Value == 1) {
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uint8_t i;
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BK4819_WriteRegister(BK4819_REG_13, 0x03BE);
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BK4819_WriteRegister(BK4819_REG_12, 0x037C);
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BK4819_WriteRegister(BK4819_REG_11, 0x027B);
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BK4819_WriteRegister(BK4819_REG_10, 0x007A);
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BK4819_WriteRegister(BK4819_REG_14, 0x0018);
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BK4819_WriteRegister(BK4819_REG_49, 0x2A38);
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BK4819_WriteRegister(BK4819_REG_7B, 0x318C);
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BK4819_WriteRegister(BK4819_REG_7C, 0x595E);
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BK4819_WriteRegister(BK4819_REG_20, 0x8DEF);
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for (i = 0; i < 8; i++) {
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// Bug? The bit 0x2000 below overwrites the (i << 13)
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BK4819_WriteRegister(BK4819_REG_06, ((i << 13) | 0x2500U) + 0x36U);
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}
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}
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}
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void BK4819_ToggleGpioOut(BK4819_GPIO_PIN_t Pin, bool bSet)
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{
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if (bSet) {
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gBK4819_GpioOutState |= (0x40U >> Pin);
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} else {
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gBK4819_GpioOutState &= ~(0x40U >> Pin);
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}
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BK4819_WriteRegister(BK4819_REG_33, gBK4819_GpioOutState);
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}
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void BK4819_SetCDCSSCodeWord(uint32_t CodeWord)
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{
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// Enable CDCSS
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// Transmit positive CDCSS code
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// CDCSS Mode
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// CDCSS 23bit
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// Enable Auto CDCSS Bw Mode
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// Enable Auto CTCSS Bw Mode
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// CTCSS/CDCSS Tx Gain1 Tuning = 51
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BK4819_WriteRegister(BK4819_REG_51, 0
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| BK4819_REG_51_ENABLE_CxCSS
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| BK4819_REG_51_GPIO6_PIN2_NORMAL
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| BK4819_REG_51_TX_CDCSS_POSITIVE
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| BK4819_REG_51_MODE_CDCSS
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| BK4819_REG_51_CDCSS_23_BIT
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| BK4819_REG_51_1050HZ_NO_DETECTION
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| BK4819_REG_51_AUTO_CDCSS_BW_ENABLE
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| BK4819_REG_51_AUTO_CTCSS_BW_ENABLE
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| (51U << BK4819_REG_51_SHIFT_CxCSS_TX_GAIN1));
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// CTC1 Frequency Control Word = 2775
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BK4819_WriteRegister(BK4819_REG_07, 0
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| BK4819_REG_07_MODE_CTC1
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| (2775U << BK4819_REG_07_SHIFT_FREQUENCY));
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// Set the code word
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BK4819_WriteRegister(BK4819_REG_08, 0x0000 | ((CodeWord >> 0) & 0xFFF));
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BK4819_WriteRegister(BK4819_REG_08, 0x8000 | ((CodeWord >> 12) & 0xFFF));
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}
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void BK4819_SetCTCSSFrequency(uint32_t FreqControlWord)
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{
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uint16_t Config;
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if (FreqControlWord == 2625) { // Enables 1050Hz detection mode
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// Enable TxCTCSS
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// CTCSS Mode
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// 1050/4 Detect Enable
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// Enable Auto CDCSS Bw Mode
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// Enable Auto CTCSS Bw Mode
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// CTCSS/CDCSS Tx Gain1 Tuning = 74
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Config = 0x944A;
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} else {
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// Enable TxCTCSS
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// CTCSS Mode
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// Enable Auto CDCSS Bw Mode
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// Enable Auto CTCSS Bw Mode
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// CTCSS/CDCSS Tx Gain1 Tuning = 74
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Config = 0x904A;
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}
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BK4819_WriteRegister(BK4819_REG_51, Config);
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// CTC1 Frequency Control Word
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BK4819_WriteRegister(BK4819_REG_07, 0
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| BK4819_REG_07_MODE_CTC1
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| ((FreqControlWord * 2065) / 1000) << BK4819_REG_07_SHIFT_FREQUENCY);
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}
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void BK4819_Set55HzTailDetection(void)
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{
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// CTC2 Frequency Control Word = round_nearest(25391 / 55) = 462
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BK4819_WriteRegister(BK4819_REG_07, (1U << 13) | 462);
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}
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void BK4819_EnableVox(uint16_t VoxEnableThreshold, uint16_t VoxDisableThreshold)
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{
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//VOX Algorithm
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//if(voxamp>VoxEnableThreshold) VOX = 1;
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//else if(voxamp<VoxDisableThreshold) (After Delay) VOX = 0;
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uint16_t REG_31_Value;
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REG_31_Value = BK4819_ReadRegister(BK4819_REG_31);
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// 0xA000 is undocumented?
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BK4819_WriteRegister(BK4819_REG_46, 0xA000 | (VoxEnableThreshold & 0x07FF));
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// 0x1800 is undocumented?
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BK4819_WriteRegister(BK4819_REG_79, 0x1800 | (VoxDisableThreshold & 0x07FF));
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// Bottom 12 bits are undocumented, 15:12 vox disable delay *128ms
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BK4819_WriteRegister(BK4819_REG_7A, 0x289A); // vox disable delay = 128*5 = 640ms
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// Enable VOX
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BK4819_WriteRegister(BK4819_REG_31, REG_31_Value | 4); //bit 2 - VOX Enable
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}
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void BK4819_SetFilterBandwidth(BK4819_FilterBandwidth_t Bandwidth)
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{
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if (Bandwidth == BK4819_FILTER_BW_WIDE) {
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BK4819_WriteRegister(BK4819_REG_43, 0x3028);
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} else if (Bandwidth == BK4819_FILTER_BW_NARROW) {
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BK4819_WriteRegister(BK4819_REG_43, 0x4048);
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}
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}
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void BK4819_SetupPowerAmplifier(uint16_t Bias, uint32_t Frequency)
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{
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uint8_t Gain;
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if (Bias > 255) {
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Bias = 255;
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}
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if (Frequency < 28000000) {
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// Gain 1 = 1
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// Gain 2 = 0
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Gain = 0x08U;
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} else {
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// Gain 1 = 4
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// Gain 2 = 2
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Gain = 0x22U;
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}
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// Enable PACTLoutput
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BK4819_WriteRegister(BK4819_REG_36, (Bias << 8) | 0x80U | Gain);
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}
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void BK4819_SetFrequency(uint32_t Frequency)
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{
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BK4819_WriteRegister(BK4819_REG_38, (Frequency >> 0) & 0xFFFF);
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BK4819_WriteRegister(BK4819_REG_39, (Frequency >> 16) & 0xFFFF);
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}
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void BK4819_SetupSquelch(uint8_t SquelchOpenRSSIThresh, uint8_t SquelchCloseRSSIThresh, uint8_t SquelchOpenNoiseThresh, uint8_t SquelchCloseNoiseThresh, uint8_t SquelchCloseGlitchThresh, uint8_t SquelchOpenGlitchThresh)
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{
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BK4819_WriteRegister(BK4819_REG_70, 0);
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BK4819_WriteRegister(BK4819_REG_4D, 0xA000 | SquelchCloseGlitchThresh);
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// 0x6f = 0110 1111 meaning the default sql delays from the datasheet are used (101 and 111)
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BK4819_WriteRegister(BK4819_REG_4E, 0x6F00 | SquelchOpenGlitchThresh);
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BK4819_WriteRegister(BK4819_REG_4F, (SquelchCloseNoiseThresh << 8) | SquelchOpenNoiseThresh);
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BK4819_WriteRegister(BK4819_REG_78, (SquelchOpenRSSIThresh << 8) | SquelchCloseRSSIThresh);
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BK4819_SetAF(BK4819_AF_MUTE);
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BK4819_RX_TurnOn();
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}
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void BK4819_SetAF(BK4819_AF_Type_t AF)
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{
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// AF Output Inverse Mode = Inverse
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// Undocumented bits 0x2040
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BK4819_WriteRegister(BK4819_REG_47, 0x6040 | (AF << 8));
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}
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void BK4819_RX_TurnOn(void)
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{
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// DSP Voltage Setting = 1
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// ANA LDO = 2.7v
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// VCO LDO = 2.7v
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// RF LDO = 2.7v
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// PLL LDO = 2.7v
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// ANA LDO bypass
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// VCO LDO bypass
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// RF LDO bypass
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// PLL LDO bypass
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// Reserved bit is 1 instead of 0
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// Enable DSP
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// Enable XTAL
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// Enable Band Gap
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BK4819_WriteRegister(BK4819_REG_37, 0x1F0F);
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// Turn off everything
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BK4819_WriteRegister(BK4819_REG_30, 0);
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// Enable VCO Calibration
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// Enable RX Link
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// Enable AF DAC
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// Enable PLL/VCO
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// Disable PA Gain
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// Disable MIC ADC
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// Disable TX DSP
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// Enable RX DSP
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BK4819_WriteRegister(BK4819_REG_30, 0xBFF1);
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}
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void BK4819_SelectFilter(uint32_t Frequency)
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{
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if (Frequency < 28000000) {
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BK4819_ToggleGpioOut(BK4819_GPIO4_PIN32_VHF_LNA, true);
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BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31_UHF_LNA, false);
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} else if (Frequency == 0xFFFFFFFF) {
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BK4819_ToggleGpioOut(BK4819_GPIO4_PIN32_VHF_LNA, false);
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BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31_UHF_LNA, false);
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} else {
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BK4819_ToggleGpioOut(BK4819_GPIO4_PIN32_VHF_LNA, false);
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BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31_UHF_LNA, true);
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}
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}
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void BK4819_DisableScramble(void)
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{
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uint16_t Value;
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Value = BK4819_ReadRegister(BK4819_REG_31);
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BK4819_WriteRegister(BK4819_REG_31, Value & 0xFFFD);
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}
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void BK4819_EnableScramble(uint8_t Type)
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{
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uint16_t Value;
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Value = BK4819_ReadRegister(BK4819_REG_31);
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BK4819_WriteRegister(BK4819_REG_31, Value | 2);
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BK4819_WriteRegister(BK4819_REG_71, (Type * 0x0408) + 0x68DC);
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}
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void BK4819_DisableVox(void)
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{
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uint16_t Value;
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Value = BK4819_ReadRegister(BK4819_REG_31);
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BK4819_WriteRegister(BK4819_REG_31, Value & 0xFFFB);
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}
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void BK4819_DisableDTMF(void)
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{
|
|
BK4819_WriteRegister(BK4819_REG_24, 0);
|
|
}
|
|
|
|
void BK4819_EnableDTMF(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_21, 0x06D8);
|
|
BK4819_WriteRegister(BK4819_REG_24, 0
|
|
| (1U << BK4819_REG_24_SHIFT_UNKNOWN_15)
|
|
| (24 << BK4819_REG_24_SHIFT_THRESHOLD)
|
|
| (1U << BK4819_REG_24_SHIFT_UNKNOWN_6)
|
|
| BK4819_REG_24_ENABLE
|
|
| BK4819_REG_24_SELECT_DTMF
|
|
| (14U << BK4819_REG_24_SHIFT_MAX_SYMBOLS)
|
|
);
|
|
}
|
|
|
|
void BK4819_PlayTone(uint16_t Frequency, bool bTuningGainSwitch)
|
|
{
|
|
uint16_t ToneConfig;
|
|
|
|
BK4819_EnterTxMute();
|
|
BK4819_SetAF(BK4819_AF_BEEP);
|
|
|
|
if (bTuningGainSwitch == 0) {
|
|
ToneConfig = 0
|
|
| BK4819_REG_70_ENABLE_TONE1
|
|
| (96U << BK4819_REG_70_SHIFT_TONE1_TUNING_GAIN);
|
|
} else {
|
|
ToneConfig = 0
|
|
| BK4819_REG_70_ENABLE_TONE1
|
|
| (28U << BK4819_REG_70_SHIFT_TONE1_TUNING_GAIN);
|
|
}
|
|
BK4819_WriteRegister(BK4819_REG_70, ToneConfig);
|
|
|
|
BK4819_WriteRegister(BK4819_REG_30, 0);
|
|
BK4819_WriteRegister(BK4819_REG_30, 0
|
|
| BK4819_REG_30_ENABLE_AF_DAC
|
|
| BK4819_REG_30_ENABLE_DISC_MODE
|
|
| BK4819_REG_30_ENABLE_TX_DSP);
|
|
;
|
|
|
|
BK4819_WriteRegister(BK4819_REG_71, (uint16_t)(Frequency * 10.32444));
|
|
}
|
|
|
|
void BK4819_EnterTxMute(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_50, 0xBB20);
|
|
}
|
|
|
|
void BK4819_ExitTxMute(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_50, 0x3B20);
|
|
}
|
|
|
|
void BK4819_Sleep(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_30, 0);
|
|
BK4819_WriteRegister(BK4819_REG_37, 0x1D00);
|
|
}
|
|
|
|
void BK4819_TurnsOffTones_TurnsOnRX(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_70, 0);
|
|
BK4819_SetAF(BK4819_AF_MUTE);
|
|
BK4819_ExitTxMute();
|
|
BK4819_WriteRegister(BK4819_REG_30, 0);
|
|
BK4819_WriteRegister(BK4819_REG_30, 0
|
|
| BK4819_REG_30_ENABLE_VCO_CALIB
|
|
| BK4819_REG_30_ENABLE_RX_LINK
|
|
| BK4819_REG_30_ENABLE_AF_DAC
|
|
| BK4819_REG_30_ENABLE_DISC_MODE
|
|
| BK4819_REG_30_ENABLE_PLL_VCO
|
|
| BK4819_REG_30_ENABLE_RX_DSP
|
|
);
|
|
}
|
|
|
|
#if defined(ENABLE_AIRCOPY)
|
|
void BK4819_SetupAircopy(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_70, 0x00E0); // Enable Tone2, tuning gain 48
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x3065); // Tone2 baudrate 1200
|
|
BK4819_WriteRegister(BK4819_REG_58, 0x00C1); // FSK Enable, FSK 1.2K RX Bandwidth, Preamble 0xAA or 0x55, RX Gain 0, RX Mode
|
|
// (FSK1.2K, FSK2.4K Rx and NOAA SAME Rx), TX Mode FSK 1.2K and FSK 2.4K Tx
|
|
BK4819_WriteRegister(BK4819_REG_5C, 0x5665); // Enable CRC among other things we don't know yet
|
|
BK4819_WriteRegister(BK4819_REG_5D, 0x4700); // FSK Data Length 72 Bytes (0xabcd + 2 byte length + 64 byte payload + 2 byte CRC + 0xdcba)
|
|
}
|
|
|
|
void BK4819_ResetFSK(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_3F, 0x0000); // Disable interrupts
|
|
BK4819_WriteRegister(BK4819_REG_59, 0x0068); // Sync length 4 bytes, 7 byte preamble
|
|
SYSTEM_DelayMs(30);
|
|
BK4819_Idle();
|
|
}
|
|
#endif
|
|
|
|
void BK4819_Idle(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_30, 0x0000);
|
|
}
|
|
|
|
void BK4819_ExitBypass(void)
|
|
{
|
|
BK4819_SetAF(BK4819_AF_MUTE);
|
|
BK4819_WriteRegister(BK4819_REG_7E, 0x302E);
|
|
}
|
|
|
|
void BK4819_PrepareTransmit(void)
|
|
{
|
|
BK4819_ExitBypass();
|
|
BK4819_ExitTxMute();
|
|
BK4819_TxOn_Beep();
|
|
}
|
|
|
|
void BK4819_TxOn_Beep(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_37, 0x1D0F);
|
|
BK4819_WriteRegister(BK4819_REG_52, 0x028F);
|
|
BK4819_WriteRegister(BK4819_REG_30, 0x0000);
|
|
BK4819_WriteRegister(BK4819_REG_30, 0xC1FE);
|
|
}
|
|
|
|
void BK4819_ExitSubAu(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_51, 0x0000);
|
|
}
|
|
|
|
void BK4819_EnableRX(void)
|
|
{
|
|
if (gRxIdleMode) {
|
|
BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28_RX_ENABLE, true);
|
|
BK4819_RX_TurnOn();
|
|
}
|
|
}
|
|
|
|
void BK4819_EnterDTMF_TX(bool bLocalLoopback)
|
|
{
|
|
BK4819_EnableDTMF();
|
|
BK4819_EnterTxMute();
|
|
if (bLocalLoopback) {
|
|
BK4819_SetAF(BK4819_AF_BEEP);
|
|
} else {
|
|
BK4819_SetAF(BK4819_AF_MUTE);
|
|
}
|
|
BK4819_WriteRegister(BK4819_REG_70, 0
|
|
| BK4819_REG_70_MASK_ENABLE_TONE1
|
|
| (83 << BK4819_REG_70_SHIFT_TONE1_TUNING_GAIN)
|
|
| BK4819_REG_70_MASK_ENABLE_TONE2
|
|
| (83 << BK4819_REG_70_SHIFT_TONE2_TUNING_GAIN)
|
|
);
|
|
|
|
BK4819_EnableTXLink();
|
|
}
|
|
|
|
void BK4819_ExitDTMF_TX(bool bKeep)
|
|
{
|
|
BK4819_EnterTxMute();
|
|
BK4819_SetAF(BK4819_AF_MUTE);
|
|
BK4819_WriteRegister(BK4819_REG_70, 0x0000);
|
|
BK4819_DisableDTMF();
|
|
BK4819_WriteRegister(BK4819_REG_30, 0xC1FE);
|
|
if (!bKeep) {
|
|
BK4819_ExitTxMute();
|
|
}
|
|
}
|
|
|
|
void BK4819_EnableTXLink(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_30, 0
|
|
| BK4819_REG_30_ENABLE_VCO_CALIB
|
|
| BK4819_REG_30_ENABLE_UNKNOWN
|
|
| BK4819_REG_30_DISABLE_RX_LINK
|
|
| BK4819_REG_30_ENABLE_AF_DAC
|
|
| BK4819_REG_30_ENABLE_DISC_MODE
|
|
| BK4819_REG_30_ENABLE_PLL_VCO
|
|
| BK4819_REG_30_ENABLE_PA_GAIN
|
|
| BK4819_REG_30_DISABLE_MIC_ADC
|
|
| BK4819_REG_30_ENABLE_TX_DSP
|
|
| BK4819_REG_30_DISABLE_RX_DSP
|
|
);
|
|
}
|
|
|
|
void BK4819_PlayDTMF(char Code)
|
|
{
|
|
switch (Code) {
|
|
case '0':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x25F3);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x35E1);
|
|
break;
|
|
case '1':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x1C1C);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x30C2);
|
|
break;
|
|
case '2':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x1C1C);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x35E1);
|
|
break;
|
|
case '3':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x1C1C);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x3B91);
|
|
break;
|
|
case '4':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x1F0E);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x30C2);
|
|
break;
|
|
case '5':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x1F0E);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x35E1);
|
|
break;
|
|
case '6':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x1F0E);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x3B91);
|
|
break;
|
|
case '7':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x225C);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x30C2);
|
|
break;
|
|
case '8':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x225c);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x35E1);
|
|
break;
|
|
case '9':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x225C);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x3B91);
|
|
break;
|
|
case 'A':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x1C1C);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x41DC);
|
|
break;
|
|
case 'B':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x1F0E);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x41DC);
|
|
break;
|
|
case 'C':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x225C);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x41DC);
|
|
break;
|
|
case 'D':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x25F3);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x41DC);
|
|
break;
|
|
case '*':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x25F3);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x30C2);
|
|
break;
|
|
case '#':
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x25F3);
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x3B91);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void BK4819_PlayDTMFString(const char *pString, bool bDelayFirst, uint16_t FirstCodePersistTime, uint16_t HashCodePersistTime, uint16_t CodePersistTime, uint16_t CodeInternalTime)
|
|
{
|
|
uint8_t i;
|
|
uint16_t Delay;
|
|
|
|
for (i = 0; pString[i]; i++) {
|
|
BK4819_PlayDTMF(pString[i]);
|
|
BK4819_ExitTxMute();
|
|
if (bDelayFirst && i == 0) {
|
|
Delay = FirstCodePersistTime;
|
|
} else if (pString[i] == '*' || pString[i] == '#') {
|
|
Delay = HashCodePersistTime;
|
|
} else {
|
|
Delay = CodePersistTime;
|
|
}
|
|
SYSTEM_DelayMs(Delay);
|
|
BK4819_EnterTxMute();
|
|
SYSTEM_DelayMs(CodeInternalTime);
|
|
}
|
|
}
|
|
|
|
void BK4819_TransmitTone(bool bLocalLoopback, uint32_t Frequency)
|
|
{
|
|
BK4819_EnterTxMute();
|
|
BK4819_WriteRegister(BK4819_REG_70, 0
|
|
| BK4819_REG_70_MASK_ENABLE_TONE1
|
|
| (96U << BK4819_REG_70_SHIFT_TONE1_TUNING_GAIN));
|
|
BK4819_WriteRegister(BK4819_REG_71, (uint16_t)(Frequency * 10.32444));
|
|
if (bLocalLoopback) {
|
|
BK4819_SetAF(BK4819_AF_BEEP);
|
|
} else {
|
|
BK4819_SetAF(BK4819_AF_MUTE);
|
|
}
|
|
BK4819_EnableTXLink();
|
|
SYSTEM_DelayMs(50);
|
|
BK4819_ExitTxMute();
|
|
}
|
|
|
|
void BK4819_GenTail(uint8_t Tail)
|
|
{
|
|
switch (Tail) {
|
|
case 0: // CTC134
|
|
BK4819_WriteRegister(BK4819_REG_52, 0x828F);
|
|
break;
|
|
case 1: // CTC120
|
|
BK4819_WriteRegister(BK4819_REG_52, 0xA28F);
|
|
break;
|
|
case 2: // CTC180
|
|
BK4819_WriteRegister(BK4819_REG_52, 0xC28F);
|
|
break;
|
|
case 3: // CTC240
|
|
BK4819_WriteRegister(BK4819_REG_52, 0xE28F);
|
|
break;
|
|
case 4: // CTC55
|
|
BK4819_WriteRegister(BK4819_REG_07, 0x046f);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void BK4819_EnableCDCSS(void)
|
|
{
|
|
BK4819_GenTail(0); // CTC134
|
|
BK4819_WriteRegister(BK4819_REG_51, 0x804A);
|
|
}
|
|
|
|
void BK4819_EnableCTCSS(void)
|
|
{
|
|
BK4819_GenTail(4); // CTC55
|
|
BK4819_WriteRegister(BK4819_REG_51, 0x904A);
|
|
}
|
|
|
|
uint16_t BK4819_GetRSSI(void)
|
|
{
|
|
return BK4819_ReadRegister(BK4819_REG_67) & 0x01FF;
|
|
}
|
|
|
|
bool BK4819_GetFrequencyScanResult(uint32_t *pFrequency)
|
|
{
|
|
uint16_t High, Low;
|
|
bool Finished;
|
|
|
|
High = BK4819_ReadRegister(BK4819_REG_0D);
|
|
Finished = (High & 0x8000) == 0;
|
|
if (Finished) {
|
|
Low = BK4819_ReadRegister(BK4819_REG_0E);
|
|
*pFrequency = (uint32_t)((High & 0x7FF) << 16) | Low;
|
|
}
|
|
|
|
return Finished;
|
|
}
|
|
|
|
BK4819_CssScanResult_t BK4819_GetCxCSSScanResult(uint32_t *pCdcssFreq, uint16_t *pCtcssFreq)
|
|
{
|
|
uint16_t High, Low;
|
|
|
|
High = BK4819_ReadRegister(BK4819_REG_69);
|
|
if ((High & 0x8000) == 0) {
|
|
Low = BK4819_ReadRegister(BK4819_REG_6A);
|
|
*pCdcssFreq = ((High & 0xFFF) << 12) | (Low & 0xFFF);
|
|
return BK4819_CSS_RESULT_CDCSS;
|
|
}
|
|
|
|
Low = BK4819_ReadRegister(BK4819_REG_68);
|
|
if ((Low & 0x8000) == 0) {
|
|
*pCtcssFreq = (Low & 0x1FFF) * 4843 / 10000;
|
|
return BK4819_CSS_RESULT_CTCSS;
|
|
}
|
|
|
|
return BK4819_CSS_RESULT_NOT_FOUND;
|
|
}
|
|
|
|
void BK4819_DisableFrequencyScan(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_32, 0x0244);
|
|
}
|
|
|
|
void BK4819_EnableFrequencyScan(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_32, 0x0245);
|
|
}
|
|
|
|
void BK4819_SetScanFrequency(uint32_t Frequency)
|
|
{
|
|
BK4819_SetFrequency(Frequency);
|
|
BK4819_WriteRegister(BK4819_REG_51, 0
|
|
| BK4819_REG_51_DISABLE_CxCSS
|
|
| BK4819_REG_51_GPIO6_PIN2_NORMAL
|
|
| BK4819_REG_51_TX_CDCSS_POSITIVE
|
|
| BK4819_REG_51_MODE_CDCSS
|
|
| BK4819_REG_51_CDCSS_23_BIT
|
|
| BK4819_REG_51_1050HZ_NO_DETECTION
|
|
| BK4819_REG_51_AUTO_CDCSS_BW_DISABLE
|
|
| BK4819_REG_51_AUTO_CTCSS_BW_DISABLE
|
|
);
|
|
BK4819_RX_TurnOn();
|
|
}
|
|
|
|
void BK4819_Disable(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_30, 0);
|
|
}
|
|
|
|
void BK4819_StopScan(void)
|
|
{
|
|
BK4819_DisableFrequencyScan();
|
|
BK4819_Disable();
|
|
}
|
|
|
|
uint8_t BK4819_GetDTMF_5TONE_Code(void)
|
|
{
|
|
return (BK4819_ReadRegister(BK4819_REG_0B) >> 8) & 0x0F;
|
|
}
|
|
|
|
uint8_t BK4819_GetCDCSSCodeType(void)
|
|
{
|
|
return (BK4819_ReadRegister(BK4819_REG_0C) >> 14) & 3;
|
|
}
|
|
|
|
uint8_t BK4819_GetCTCType(void)
|
|
{
|
|
return (BK4819_ReadRegister(BK4819_REG_0C) >> 10) & 3;
|
|
}
|
|
|
|
#if defined(ENABLE_AIRCOPY)
|
|
void BK4819_SendFSKData(uint16_t *pData)
|
|
{
|
|
uint8_t i;
|
|
uint8_t Timeout;
|
|
|
|
Timeout = 200;
|
|
|
|
SYSTEM_DelayMs(20);
|
|
|
|
BK4819_WriteRegister(BK4819_REG_3F, BK4819_REG_3F_FSK_TX_FINISHED);
|
|
BK4819_WriteRegister(BK4819_REG_59, 0x8068);
|
|
BK4819_WriteRegister(BK4819_REG_59, 0x0068);
|
|
|
|
for (i = 0; i < 36; i++) {
|
|
BK4819_WriteRegister(BK4819_REG_5F, pData[i]);
|
|
}
|
|
|
|
SYSTEM_DelayMs(20);
|
|
|
|
BK4819_WriteRegister(BK4819_REG_59, 0x2868);
|
|
|
|
while (Timeout) {
|
|
if (BK4819_ReadRegister(BK4819_REG_0C) & 1U) {
|
|
break;
|
|
}
|
|
SYSTEM_DelayMs(5);
|
|
Timeout--;
|
|
}
|
|
|
|
BK4819_WriteRegister(BK4819_REG_02, 0);
|
|
SYSTEM_DelayMs(20);
|
|
BK4819_ResetFSK();
|
|
}
|
|
|
|
void BK4819_PrepareFSKReceive(void)
|
|
{
|
|
BK4819_ResetFSK();
|
|
BK4819_WriteRegister(BK4819_REG_02, 0);
|
|
BK4819_WriteRegister(BK4819_REG_3F, 0);
|
|
BK4819_RX_TurnOn();
|
|
BK4819_WriteRegister(BK4819_REG_3F, 0
|
|
| BK4819_REG_3F_FSK_RX_FINISHED
|
|
| BK4819_REG_3F_FSK_FIFO_ALMOST_FULL
|
|
);
|
|
// Clear RX FIFO
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// FSK Preamble Length 7 bytes
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// FSK SyncLength Selection
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BK4819_WriteRegister(BK4819_REG_59, 0x4068);
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|
// Enable FSK Scramble
|
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// Enable FSK RX
|
|
// FSK Preamble Length 7 bytes
|
|
// FSK SyncLength Selection
|
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BK4819_WriteRegister(BK4819_REG_59, 0x3068);
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}
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#endif
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|
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void BK4819_PlayRoger(void)
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|
{
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BK4819_EnterTxMute();
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BK4819_SetAF(BK4819_AF_MUTE);
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BK4819_WriteRegister(BK4819_REG_70, 0xE000);
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BK4819_EnableTXLink();
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|
SYSTEM_DelayMs(50);
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|
BK4819_WriteRegister(BK4819_REG_71, 0x142A);
|
|
BK4819_ExitTxMute();
|
|
SYSTEM_DelayMs(80);
|
|
BK4819_EnterTxMute();
|
|
BK4819_WriteRegister(BK4819_REG_71, 0x1C3B);
|
|
BK4819_ExitTxMute();
|
|
SYSTEM_DelayMs(80);
|
|
BK4819_EnterTxMute();
|
|
BK4819_WriteRegister(BK4819_REG_70, 0x0000);
|
|
BK4819_WriteRegister(BK4819_REG_30, 0xC1FE);
|
|
}
|
|
|
|
void BK4819_PlayRogerMDC(void)
|
|
{
|
|
uint8_t i;
|
|
|
|
BK4819_SetAF(BK4819_AF_MUTE);
|
|
BK4819_WriteRegister(BK4819_REG_58, 0x37C3); // FSK Enable, RX Bandwidth FFSK1200/1800, 0xAA or 0x55 Preamble, 11 RX Gain,
|
|
// 101 RX Mode, FFSK1200/1800 TX
|
|
BK4819_WriteRegister(BK4819_REG_72, 0x3065); // Set Tone2 to 1200Hz
|
|
BK4819_WriteRegister(BK4819_REG_70, 0x00E0); // Enable Tone2 and Set Tone2 Gain
|
|
BK4819_WriteRegister(BK4819_REG_5D, 0x0D00); // Set FSK data length to 13 bytes
|
|
BK4819_WriteRegister(BK4819_REG_59, 0x8068); // 4 byte sync length, 6 byte preamble, clear TX FIFO
|
|
BK4819_WriteRegister(BK4819_REG_59, 0x0068); // Same, but clear TX FIFO is now unset (clearing done)
|
|
BK4819_WriteRegister(BK4819_REG_5A, 0x5555); // First two sync bytes
|
|
BK4819_WriteRegister(BK4819_REG_5B, 0x55AA); // End of sync bytes. Total 4 bytes: 555555aa
|
|
BK4819_WriteRegister(BK4819_REG_5C, 0xAA30); // Disable CRC
|
|
for (i = 0; i < 7; i++) {
|
|
BK4819_WriteRegister(BK4819_REG_5F, FSK_RogerTable[i]); // Send the data from the roger table
|
|
}
|
|
SYSTEM_DelayMs(20);
|
|
BK4819_WriteRegister(BK4819_REG_59, 0x0868); // 4 sync bytes, 6 byte preamble, Enable FSK TX
|
|
SYSTEM_DelayMs(180);
|
|
// Stop FSK TX, reset Tone2, disable FSK.
|
|
BK4819_WriteRegister(BK4819_REG_59, 0x0068);
|
|
BK4819_WriteRegister(BK4819_REG_70, 0x0000);
|
|
BK4819_WriteRegister(BK4819_REG_58, 0x0000);
|
|
}
|
|
|
|
void BK4819_Enable_AfDac_DiscMode_TxDsp(void)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_30, 0x0000);
|
|
BK4819_WriteRegister(BK4819_REG_30, 0x0302);
|
|
}
|
|
|
|
void BK4819_GetVoxAmp(uint16_t *pResult)
|
|
{
|
|
*pResult = BK4819_ReadRegister(BK4819_REG_64) & 0x7FFF;
|
|
}
|
|
|
|
void BK4819_SetScrambleFrequencyControlWord(uint32_t Frequency)
|
|
{
|
|
BK4819_WriteRegister(BK4819_REG_71, (uint16_t)(Frequency * 10.32444));
|
|
}
|
|
|
|
void BK4819_PlayDTMFEx(bool bLocalLoopback, char Code)
|
|
{
|
|
BK4819_EnableDTMF();
|
|
BK4819_EnterTxMute();
|
|
if (bLocalLoopback) {
|
|
BK4819_SetAF(BK4819_AF_BEEP);
|
|
} else {
|
|
BK4819_SetAF(BK4819_AF_MUTE);
|
|
}
|
|
BK4819_WriteRegister(BK4819_REG_70, 0xD3D3);
|
|
BK4819_EnableTXLink();
|
|
SYSTEM_DelayMs(50);
|
|
BK4819_PlayDTMF(Code);
|
|
BK4819_ExitTxMute();
|
|
}
|
|
|