145 lines
4.0 KiB
C
145 lines
4.0 KiB
C
/* Copyright 2023 Dual Tachyon
|
|
* https://github.com/DualTachyon
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "bsp/dp32g030/gpio.h"
|
|
#include "bk1080.h"
|
|
#include "driver/gpio.h"
|
|
#include "driver/i2c.h"
|
|
#include "driver/system.h"
|
|
#include "misc.h"
|
|
|
|
#ifndef ARRAY_SIZE
|
|
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
|
|
#endif
|
|
|
|
static const uint16_t BK1080_RegisterTable[] =
|
|
{
|
|
0x0008, 0x1080, 0x0201, 0x0000, 0x40C0, 0x0A1F, 0x002E, 0x02FF,
|
|
0x5B11, 0x0000, 0x411E, 0x0000, 0xCE00, 0x0000, 0x0000, 0x1000,
|
|
0x3197, 0x0000, 0x13FF, 0x9852, 0x0000, 0x0000, 0x0008, 0x0000,
|
|
0x51E1, 0xA8BC, 0x2645, 0x00E4, 0x1CD8, 0x3A50, 0xEAE0, 0x3000,
|
|
0x0200, 0x0000,
|
|
};
|
|
|
|
static bool gIsInitBK1080;
|
|
|
|
uint16_t BK1080_BaseFrequency;
|
|
uint16_t BK1080_FrequencyDeviation;
|
|
|
|
void BK1080_Init0(void)
|
|
{
|
|
BK1080_Init(0,0/*,0*/);
|
|
}
|
|
|
|
void BK1080_Init(uint16_t freq, uint8_t band/*, uint8_t space*/)
|
|
{
|
|
unsigned int i;
|
|
|
|
if (freq) {
|
|
GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_BK1080);
|
|
|
|
if (!gIsInitBK1080) {
|
|
for (i = 0; i < ARRAY_SIZE(BK1080_RegisterTable); i++)
|
|
BK1080_WriteRegister(i, BK1080_RegisterTable[i]);
|
|
|
|
SYSTEM_DelayMs(250);
|
|
|
|
BK1080_WriteRegister(BK1080_REG_25_INTERNAL, 0xA83C);
|
|
BK1080_WriteRegister(BK1080_REG_25_INTERNAL, 0xA8BC);
|
|
|
|
SYSTEM_DelayMs(60);
|
|
|
|
gIsInitBK1080 = true;
|
|
}
|
|
else {
|
|
BK1080_WriteRegister(BK1080_REG_02_POWER_CONFIGURATION, 0x0201);
|
|
}
|
|
|
|
BK1080_WriteRegister(BK1080_REG_05_SYSTEM_CONFIGURATION2, 0x0A1F);
|
|
BK1080_SetFrequency(freq, band/*, space*/);
|
|
}
|
|
else {
|
|
BK1080_WriteRegister(BK1080_REG_02_POWER_CONFIGURATION, 0x0241);
|
|
GPIO_SetBit(&GPIOB->DATA, GPIOB_PIN_BK1080);
|
|
}
|
|
}
|
|
|
|
uint16_t BK1080_ReadRegister(BK1080_Register_t Register)
|
|
{
|
|
uint8_t Value[2];
|
|
|
|
I2C_Start();
|
|
I2C_Write(0x80);
|
|
I2C_Write((Register << 1) | I2C_READ);
|
|
I2C_ReadBuffer(Value, sizeof(Value));
|
|
I2C_Stop();
|
|
|
|
return (Value[0] << 8) | Value[1];
|
|
}
|
|
|
|
void BK1080_WriteRegister(BK1080_Register_t Register, uint16_t Value)
|
|
{
|
|
I2C_Start();
|
|
I2C_Write(0x80);
|
|
I2C_Write((Register << 1) | I2C_WRITE);
|
|
Value = ((Value >> 8) & 0xFF) | ((Value & 0xFF) << 8);
|
|
I2C_WriteBuffer(&Value, sizeof(Value));
|
|
I2C_Stop();
|
|
}
|
|
|
|
void BK1080_Mute(bool Mute)
|
|
{
|
|
BK1080_WriteRegister(BK1080_REG_02_POWER_CONFIGURATION, Mute ? 0x4201 : 0x0201);
|
|
}
|
|
|
|
void BK1080_SetFrequency(uint16_t frequency, uint8_t band/*, uint8_t space*/)
|
|
{
|
|
//uint8_t spacings[] = {20,10,5};
|
|
//space %= 3;
|
|
|
|
uint16_t channel = (frequency - BK1080_GetFreqLoLimit(band))/* * 10 / spacings[space]*/;
|
|
|
|
uint16_t regval = BK1080_ReadRegister(BK1080_REG_05_SYSTEM_CONFIGURATION2);
|
|
regval = (regval & ~(0b11 << 6)) | ((band & 0b11) << 6);
|
|
//regval = (regval & ~(0b11 << 4)) | ((space & 0b11) << 4);
|
|
|
|
BK1080_WriteRegister(BK1080_REG_05_SYSTEM_CONFIGURATION2, regval);
|
|
|
|
BK1080_WriteRegister(BK1080_REG_03_CHANNEL, channel);
|
|
SYSTEM_DelayMs(10);
|
|
BK1080_WriteRegister(BK1080_REG_03_CHANNEL, channel | 0x8000);
|
|
}
|
|
|
|
void BK1080_GetFrequencyDeviation(uint16_t Frequency)
|
|
{
|
|
BK1080_BaseFrequency = Frequency;
|
|
BK1080_FrequencyDeviation = BK1080_ReadRegister(BK1080_REG_07) / 16;
|
|
}
|
|
|
|
uint16_t BK1080_GetFreqLoLimit(uint8_t band)
|
|
{
|
|
uint16_t lim[] = {875, 760, 760, 640};
|
|
return lim[band % 4];
|
|
}
|
|
|
|
uint16_t BK1080_GetFreqHiLimit(uint8_t band)
|
|
{
|
|
band %= 4;
|
|
uint16_t lim[] = {1080, 1080, 900, 760};
|
|
return lim[band % 4];
|
|
}
|
|
|