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implemented BK1080
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@Jamie793
Jamie793 committed Jul 17, 2024
1 parent cda5309 commit 7ef895d
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Showing 5 changed files with 259 additions and 3 deletions.
1 change: 1 addition & 0 deletions meson.build
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Expand Up @@ -505,6 +505,7 @@ a36plus_src = ['platform/targets/A36Plus/platform.c',
'platform/drivers/stubs/cps_io_stub.c',
'platform/drivers/stubs/nvmem_stub.c',
'platform/drivers/baseband/bk4819.c',
'platform/drivers/baseband/bk1080.c',
'platform/drivers/baseband/radio_A36Plus.cpp']

a36plus_inc = ['platform/targets/A36Plus',
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177 changes: 177 additions & 0 deletions platform/drivers/baseband/bk1080.c
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@@ -0,0 +1,177 @@
/**
* @file bk1080.c
* @author Jamiexu (doxm@foxmail.com)
* @brief
* @version 0.1
* @date 2024-05-24
*
* @copyright MIT License
Copyright (c) 2024 (Jamiexu or Jamie793)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*
*/
#include "bk1080.h"

void i2c_start(void)
{
BK1080_SDA_HIGH;
bk1080_delay(1);
BK1080_SCK_HIGH;
bk1080_delay(1);
BK1080_SDA_LOW;
bk1080_delay(1);
BK1080_SCK_LOW;
bk1080_delay(1);
}

static void i2c_stop(void)
{
BK1080_SCK_LOW;
bk1080_delay(1);
BK1080_SDA_LOW;
bk1080_delay(1);
BK1080_SCK_HIGH;
bk1080_delay(1);
BK1080_SDA_HIGH;
}

static void i2c_write_byte(uint8_t data)
{
for (uint8_t i = 0; i < 8; i++)
{
if (data & 0x80)
BK1080_SDA_HIGH;
else
BK1080_SDA_LOW;
bk1080_delay(1);
BK1080_SCK_HIGH;
bk1080_delay(1);
BK1080_SCK_LOW;
bk1080_delay(1);
data <<= 1;
}
}

static uint8_t i2c_read_byte(void)
{
uint8_t data = 0;
BK1080_SDA_DIR_IN;
bk1080_delay(5);
for (uint8_t i = 0; i < 8; i++)
{
data <<= 1;
BK1080_SCK_HIGH;
bk1080_delay(1);
data |= BK1080_SDA_READ;
BK1080_SCK_LOW;
bk1080_delay(1);
}
BK1080_SDA_DIR_OUT;
bk1080_delay(5);
return data;
}

static void i2c_send_ack(iic_ack_t ack)
{
if (ack)
BK1080_SDA_HIGH;
else
BK1080_SDA_LOW;
bk1080_delay(1);
BK1080_SCK_HIGH;
bk1080_delay(1);
BK1080_SCK_LOW;
bk1080_delay(1);
}

static iic_ack_t i2c_get_ack(void)
{
iic_ack_t ack;
BK1080_SDA_DIR_IN;
bk1080_delay(5);
BK1080_SCK_HIGH;
bk1080_delay(1);
if (BK1080_SDA_READ)
ack = I2C_NACK;
else
ack = I2C_ACK;
BK1080_SCK_LOW;
bk1080_delay(1);
BK1080_SDA_DIR_OUT;
bk1080_delay(1);
return ack;
}

static void bk1080_delay(uint32_t count)
{
delayUs(count);
}

void bk1080_write_reg(bk1080_reg_t reg, uint16_t data)
{
i2c_start();
i2c_write_byte(BK1080_ADDRESS);
if (i2c_get_ack() == I2C_ACK)
{
i2c_write_byte(reg << 1);
if (i2c_get_ack() == I2C_ACK)
{
i2c_write_byte((data >> 8) & 0xFF);
if (i2c_get_ack() == I2C_ACK)
i2c_write_byte(data & 0xFF);
else
printf("wACK3 Not in...\r\n");
}
else
printf("wACK2 Not in...\r\n");
}
else
{
printf("wACK1 Not in...\r\n");
}
i2c_stop();
}

uint16_t bk1080_read_reg(bk1080_reg_t reg)
{
uint16_t data = 0;
i2c_start();
i2c_write_byte(BK1080_ADDRESS);
if (i2c_get_ack() == I2C_ACK)
{
i2c_write_byte((reg << 1) | 0x01);
if (i2c_get_ack() == I2C_ACK)
{
data |= (i2c_read_byte() << 8);
i2c_send_ack(I2C_ACK);
data |= i2c_read_byte();
i2c_send_ack(I2C_NACK);
}
else
printf("ACK2 Not in...\r\n");
}
else
{
printf("ACK1 Not in...\r\n");
}
i2c_stop();
return data;
}
61 changes: 61 additions & 0 deletions platform/drivers/baseband/bk1080.h
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#ifndef __BK1080_JAMIEXU_H__
#define __BK1080_JAMIEXU_H__
#include "gpio.h"
#include "peripherals/gpio.h"
#include "interfaces/delays.h"

#ifdef __cplusplus
extern "C" {
#endif


#define BK1080_SCK_LOW gpio_clearPin(BK1080_CLK)
#define BK1080_SCK_HIGH gpio_setPin(BK1080_CLK)

#define BK1080_SDA_LOW gpio_clearPin(BK1080_DAT)
#define BK1080_SDA_HIGH gpio_setPin(BK1080_DAT)

#define BK1080_SDA_READ gpio_readPin(BK1080_DAT)
#define BK1080_SDA_DIR_IN gpio_setMode(BK1080_DAT, INPUT)
#define BK1080_SDA_DIR_OUT gpio_setMode(BK1080_DAT, OUTPUT)

#define BK1080_ADDRESS 0x80

typedef enum
{
BK1080_REG00 = 0X00,
BK1080_REG01 = 0X01,
BK1080_REG02 = 0X02,
BK1080_REG03 = 0X03,
BK1080_REG04 = 0X04,
BK1080_REG05 = 0X05,
BK1080_REG06 = 0X06,
BK1080_REG07 = 0X07,
BK1080_REG08 = 0X08,
BK1080_REG09 = 0X09,
BK1080_REG10 = 0X0A,
BK1080_REG11 = 0X0B
} bk1080_reg_t;

typedef enum
{
I2C_ACK = 0,
I2C_NACK = 1
} iic_ack_t;

static void i2c_start(void);
static void i2c_stop(void);
static void i2c_write_byte(uint8_t data);
static uint8_t i2c_read_byte(void);
static void i2c_send_ack(iic_ack_t ack);
static uint8_t i2c_get_ack(void);
static void bk1080_delay(uint32_t count);

void bk1080_write_reg(bk1080_reg_t reg, uint16_t data);
uint16_t bk1080_read_reg(bk1080_reg_t reg);

#endif

#ifdef __cplusplus
}
#endif
17 changes: 17 additions & 0 deletions platform/drivers/baseband/radio_A36Plus.cpp
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Expand Up @@ -31,6 +31,7 @@
#include <string>

#include "bk4819.h"
#include "bk1080.h"
#include "radioUtils.h"

static const rtxStatus_t*
Expand Down Expand Up @@ -83,11 +84,25 @@ void radio_init(const rtxStatus_t* rtxState)
*/
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_GPIOB);
rcu_periph_clock_enable(RCU_GPIOF);


gpio_setMode(BK4819_CLK, OUTPUT);
gpio_setMode(BK4819_DAT, OUTPUT);
gpio_setMode(BK4819_CS, OUTPUT);
gpio_setMode(MIC_SPK_EN, OUTPUT);

gpio_setMode(BK1080_DAT, OUTPUT);
gpio_setMode(BK1080_CLK, OUTPUT);
gpio_setMode(BK1080_EN, OUTPUT);

gpio_clearPin(BK1080_EN);
// uint16_t data1 = bk1080_read_reg(BK1080_REG00);
// uint16_t data2 = bk1080_read_reg(BK1080_REG01);
// uint16_t data3 = bk1080_read_reg(BK1080_REG02);
// bk1080_write_reg(BK1080_REG02, 0x2048);
// uint16_t data4 = bk1080_read_reg(BK1080_REG02);
// printf("%d%d%d%d", data1,data2,data3,data4);
gpio_clearPin(MIC_SPK_EN);
bk4819_init();

Expand Down Expand Up @@ -159,6 +174,8 @@ void radio_enableTx()
void radio_disableRtx()
{
// bk4819_disable_ctdcss();


radioStatus = OFF;
}

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6 changes: 3 additions & 3 deletions platform/targets/A36Plus/pinmap.h
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Expand Up @@ -60,9 +60,9 @@
#define EFLASH_CS GPIOB,4

// BK1080
#define BK1080_CLK GPIOC,14
#define BK1080_DAT GPIOB,4 // Shared with external flash SCK
#define BK1080_CS GPIOC,13
#define BK1080_CLK GPIOF,6
#define BK1080_DAT GPIOA,3 // Shared with external flash SCK
#define BK1080_EN GPIOA,8

// BK4819
#define BK4819_CLK GPIOA,2
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