forked from mirror/uv-k5-firmware
476 lines
13 KiB
C
476 lines
13 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 "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/systick.h"
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uint16_t gBK4819_GpioOutState;
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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_GetRegister(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_SetCTCSSBaudRate(uint32_t BaudRate)
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{
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uint16_t Config;
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if (BaudRate == 2625) {
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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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| ((BaudRate * 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 Vox1Threshold, uint16_t Vox0Threshold)
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{
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uint16_t Value;
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Value = BK4819_GetRegister(BK4819_REG_31);
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// 0xA000 is undocumented?
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BK4819_WriteRegister(BK4819_REG_46, 0xA000 | (Vox1Threshold & 0x07FF));
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// 0x1800 is undocumented?
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BK4819_WriteRegister(BK4819_REG_79, 0x1800 | (Vox0Threshold & 0x07FF));
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// Bottom 12 bits are undocumented?
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BK4819_WriteRegister(BK4819_REG_7A, 0x289A);
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// Enable VOX
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BK4819_WriteRegister(BK4819_REG_31, Value | 4);
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}
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void BK4819_SetFilterBandwidth(uint8_t Bandwidth)
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{
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if (Bandwidth == 0) {
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BK4819_WriteRegister(BK4819_REG_43, 0x3028);
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} else if (Bandwidth == 1) {
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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_PickRXFilterPathBasedOnFrequency(uint32_t Frequency)
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{
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if (Frequency < 28000000) {
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BK4819_ToggleGpioOut(BK4819_GPIO2_PIN30, true);
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BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31, false);
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} else if (Frequency == 0xFFFFFFFF) {
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BK4819_ToggleGpioOut(BK4819_GPIO2_PIN30, false);
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BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31, false);
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} else {
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BK4819_ToggleGpioOut(BK4819_GPIO2_PIN30, false);
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BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31, 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_GetRegister(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_GetRegister(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_GetRegister(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_SelCall(void)
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{
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BK4819_WriteRegister(BK4819_REG_24, 0);
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}
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void BK4819_ConfigureDTMF_SelCall_and_UnknownRegister(void)
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{
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BK4819_WriteRegister(BK4819_REG_21, 0x06D8);
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BK4819_WriteRegister(BK4819_REG_24, 0x8C7E);
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}
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void BK4819_PlayTone(uint16_t Frequency, bool bTuningGainSwitch)
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{
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uint16_t ToneConfig;
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BK4819_EnterTxMute();
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BK4819_SetAF(BK4819_AF_BEEP);
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if (bTuningGainSwitch == 0) {
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ToneConfig = 0
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| BK4819_REG_70_ENABLE_TONE1
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| (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
|
|
);
|
|
}
|
|
|