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器件型号：BQ76940 你(们)好
请帮助检查原理图、 IIC 没有响应信号。
e2e.ti.com/.../YT_2D00_BMS_2D00_A00_5F00_20210525.pdf
谢谢
星号
你(们)好
请帮助检查原理图、 IIC 没有响应信号。
e2e.ti.com/.../YT_2D00_BMS_2D00_A00_5F00_20210525.pdf
谢谢
星号
您好、WM5295
感谢您的回复。
客户已修改新电路板上的原理图。
1、将引脚11和12连接到 CAP2、将引脚16、17连接到 CAP3。
2、TS1通过10K 电阻接地、TS1通过 100欧姆电阻连接到微控制器的 GPIO (3.3V/0V)。 上电后、控制 TS1通过 GPIO 从0V 切换到3.3V、TS2通过10K 电阻连接到 VC5X、TS3通过10K 电阻连接到 VC10X；
但是、对采集的波形仍然没有响应(ACK)。 请检查所附的波形。
测试后、电压如下：
//main函数
int main(void)
{
//rcu_config();
/* configure systick */
systick_config();
bsp_can_init(CAN_250K);
gd_eval_led_init();
gd_eval_com_init(EVAL_COM0);
gd_eval_com_init(EVAL_COM1);
bsp_adc_init();
BQ76940_config();
sd_file_init();
// print out the clock frequency of system, AHB, APB1 and APB2
printf("\r\nCK_SYS is %d", rcu_clock_freq_get(CK_SYS));
printf("\r\nCK_AHB is %d", rcu_clock_freq_get(CK_AHB));
printf("\r\nCK_APB1 is %d", rcu_clock_freq_get(CK_APB1));
printf("\r\nCK_APB2 is %d", rcu_clock_freq_get(CK_APB2));
gd_eval_led_on();
bms_application_init();
while (1)
{
if(task_10ms_flag == 1)
{
task_10ms_flag = 0;
}
if(task_20ms_flag == 1)
{
task_10ms_flag = 0;
}
if(task_50ms_flag == 1)
{
task_50ms_flag = 0;
}
if(task_100ms_flag == 1)
{
test_data_tx_can_message();
task_100ms_flag = 0;
}
if(task_200ms_flag == 1)
{
bms_pack_parameter_to_usart0();
task_200ms_flag = 0;
}
if(task_500ms_flag == 1)
{
adc_proc();
jdata_d0_real_data_send();
jdata_d1_soc_data_send();
jdata_d2_power_data_send();
jdata_d3_safe_data_send();
task_500ms_flag = 0;
}
if(task_1000ms_flag == 1)
{
sd_write_file();
gd_eval_led_toggle();
printf("USART0 OK!");
bsp_bq76940_get_update_data();
task_1000ms_flag = 0;
}
}
}
//IIC.c
//头文件
#include "iic.h"
#include "gd32f10x_eval.h"
#include "systick.h"
#include "bsp_bq76940.h"
void BQ_IIC_Configuration(void)
{
rcu_periph_clock_enable(RCU_GPIOB);
gpio_init(GPIOB, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, IIC1_SCL_Pin);
gpio_init(GPIOB, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, IIC1_SDA_Pin);
IIC1_SCL_H;
IIC1_SDA_H;
}
void delay_us(uint8_t time)
{
u16 i;
while(time --)
for(i=0;i<20;i++)
__asm("nop");
}
void IIC1_SDA_OUT(void)
{
gpio_init(GPIOA, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, IIC1_SDA_Pin);
}
void IIC1_SDA_IN(void)
{
gpio_init(GPIOA, GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, IIC1_SDA_Pin);//GPIO_MODE_IPU
}
//产生起始信号
void IIC1_Start(void)
{
IIC1_SDA_OUT();
IIC1_SDA_H;
IIC1_SCL_H;
delay_us(4);//5
IIC1_SDA_L;
delay_us(4);//6
IIC1_SCL_L;
//delay_us(10);
}
//产生停止信号
void IIC1_Stop(void)
{
IIC1_SDA_OUT();
IIC1_SCL_L;
IIC1_SDA_L;
delay_us(4);//6
IIC1_SCL_H;
IIC1_SDA_H;
delay_us(4);//6
}
//主机产生应答信号ACK
void IIC1_Ack(void)
{
IIC1_SCL_L;
IIC1_SDA_OUT();
IIC1_SDA_L;
delay_us(4);//2
IIC1_SCL_H;
delay_us(4);//5
IIC1_SCL_L;
}
//主机不产生应答信号NACK
void IIC1_NAck(void)
{
IIC1_SCL_L;
IIC1_SDA_OUT();
IIC1_SDA_H;
delay_us(4);//2
IIC1_SCL_H;
delay_us(4);//5
IIC1_SCL_L;
}
//等待从机应答信号
//返回值: 1 接收应答失败
// 0 接收应答成功
u8 IIC1_Wait_Ack(void)
{
u16 tempTime=0;
IIC1_SCL_L;
delay_us(4);
IIC1_SDA_H;
delay_us(4);
IIC1_SCL_H;
delay_us(4);
IIC1_SDA_IN();
while(gpio_input_bit_get(GPIO_IIC1, IIC1_SDA_Pin))
{
tempTime++;
if(tempTime>1000)
{
IIC1_Stop();
return 1;
}
}
IIC1_SCL_L;
return 0;
}
//IIC 发送一个字节
void IIC1_Send_Byte(u8 txd)
{
u8 i=0;
IIC1_SDA_OUT();
IIC1_SCL_L;//拉低时钟开始数据传输
delay_us(4);//2
for(i=0;i<8;i++)
{
if((txd&0x80)>>7) //0x80 1000 0000
IIC1_SDA_H;
else
IIC1_SDA_L;
txd<<=1;
IIC1_SCL_H;
delay_us(4); //2
IIC1_SCL_L;
delay_us(4);//2
}
}
//IIC 读取一个字节
u8 IIC1_Read_Byte(u8 ack)
{
u8 i=0,receive=0;
IIC1_SDA_IN();
for(i=0;i<8;i++)
{
IIC1_SCL_L;
delay_us(4);//2
IIC1_SCL_H;
receive<<=1;
if(gpio_input_bit_get(GPIO_IIC1, IIC1_SDA_Pin))
receive|=0x01;
delay_us(4);
}
if(ack==0)
IIC1_NAck();
else
IIC1_Ack();
return receive;
}
void BQ_IIC_write_one_byte_CRC(uint16_t WriteAddr,uint8_t DataToWrite)
{
unsigned char DataBuffer[4];
DataBuffer[0] = 0X08 << 1;
DataBuffer[1] = WriteAddr;
DataBuffer[2] = DataToWrite;
DataBuffer[3] = IIC_CRC8(DataBuffer, 3, 7);
IIC1_Start();
IIC1_Send_Byte(DataBuffer[0]); //发送器件地址0X10,写数据
IIC1_Wait_Ack();
IIC1_Send_Byte(DataBuffer[1]); //发送地址
IIC1_Wait_Ack();
IIC1_Send_Byte(DataBuffer[2]); //发送字节
IIC1_Wait_Ack();
IIC1_Send_Byte(DataBuffer[3]); //发送CRC
IIC1_Wait_Ack();
IIC1_Stop();//产生一个停止条件
delay_1ms(10);
}
uint8_t BQ_IIC_read_one_byte(uint16_t ReadAddr)
{
uint8_t temp=0;
IIC1_Start();
IIC1_Send_Byte(0x08 << 1); //发送器件地址0XA0,写数据
IIC1_Wait_Ack();
IIC1_Send_Byte(ReadAddr); //发送低地址
IIC1_Wait_Ack();
IIC1_Start();
IIC1_Send_Byte(0x11); //进入接收模式
IIC1_Wait_Ack();
temp=IIC1_Read_Byte(1);
IIC1_Stop();//产生一个停止条件
return temp;
}
//IIC.h
#ifndef IIC_H_
#define IIC_H_
#include "main.h"
#include "gd32f10x_gpio.h"
#define IIC1_SCL_Pin GPIO_PIN_10
#define IIC1_SDA_Pin GPIO_PIN_11
#define IIC1_SCL IIC1_SCL_Pin
#define IIC1_SDA IIC1_SDA_Pin
#define GPIO_IIC1 GPIOB
#define IIC1_SCL_H gpio_bit_write(GPIO_IIC1, IIC1_SCL_Pin, SET)
#define IIC1_SCL_L gpio_bit_write(GPIO_IIC1, IIC1_SCL_Pin, RESET)
#define IIC1_SDA_H gpio_bit_write(GPIO_IIC1, IIC1_SDA_Pin, SET)
#define IIC1_SDA_L gpio_bit_write(GPIO_IIC1, IIC1_SDA_Pin, RESET)
void IIC1_SDA_OUT(void);
void IIC1_SDA_IN(void);
void IIC1_Start(void);
void IIC1_Stop(void);
void IIC1_Ack(void);
void IIC1_NAck(void);
uint8_t IIC1_Wait_Ack(void);
void IIC1_Send_Byte(uint8_t txd);
uint8_t IIC1_Read_Byte(u8 ack);
#define IIC2_SLAVE_ADDRESS7 0x08
#define IIC_WRITE 0x01
#define IIC_READ 0x00
extern void BQ_IIC_Configuration(void);
extern void BQ_IIC_write_one_byte_CRC(uint16_t WriteAddr,uint8_t DataToWrite);
extern uint8_t BQ_IIC_read_one_byte(uint16_t ReadAddr);
/*
#define BQ_I2C_SCL_PIN GPIO_PIN_10
#define BQ_I2C_SCL_GPIO_PORT GPIOB
#define BQ_I2C_SDA_PIN GPIO_PIN_11
#define BQ_I2C_SDA_GPIO_PORT GPIOB
#define BQ_IIC_SCL_H gpio_bit_set(BQ_I2C_SCL_GPIO_PORT , BQ_I2C_SCL_PIN)
#define BQ_IIC_SCL_L gpio_bit_reset(BQ_I2C_SCL_GPIO_PORT , BQ_I2C_SCL_PIN)
#define BQ_IIC_SDA_H gpio_bit_set(BQ_I2C_SDA_GPIO_PORT , BQ_I2C_SDA_PIN)
#define BQ_IIC_SDA_L gpio_bit_reset(BQ_I2C_SDA_GPIO_PORT , BQ_I2C_SDA_PIN)
#define BQ_IIC_SCL_read gpio_input_bit_get(BQ_I2C_SCL_GPIO_PORT , BQ_I2C_SCL_PIN)
#define BQ_IIC_SDA_read gpio_input_bit_get(BQ_I2C_SDA_GPIO_PORT , BQ_I2C_SDA_PIN)
void BQ_IIC_Configuration(void);
ControlStatus BQ_IIC_WriteByte(uint8_t SendByte, uint16_t WriteAddress, uint8_t DeviceAddress);
ControlStatus BQ_IIC_ReadByte(uint8_t* pBuffer, uint16_t length, uint16_t ReadAddress, uint8_t DeviceAddress);
uint8_t BQ_IIC_read_one_byte(uint16_t ReadAddr);
void BQ_IIC_write_one_byte(uint16_t WriteAddr,uint8_t DataToWrite);
void BQ_IIC_write_one_byte_CRC(uint16_t WriteAddr,uint16_t DataToWrite);
uint8_t BQ_IIC_read_one_byte(uint16_t ReadAddr);
*/
#endif
//BQ76940.c
#include "bsp_bq76940.h"
#include "gd32f10x_i2c.h"
#include "iic.h"
#include "systick.h"
#include "math.h"
#include "gd32f10x_eval.h"
/******************************************Code Start*************************************************/
int Batteryval[50]={0};
unsigned char shang[500]={0xAA,0x01};
unsigned char shang1[50]={0xAA,0x02};
unsigned char shang2[50]={0xAA,0x03};
unsigned char shang3[50]={0xAA,0x04};
unsigned char can_buf1[8]={0xAA,0x01};
unsigned char can_buf2[8]={0xAA,0x02};
unsigned char can_buf3[8]={0xAA,0x03};
unsigned char can_buf4[8]={0xAA,0x04};
unsigned char can_buf5[8]={0xAA,0x05};
unsigned char can_buf6[8]={0xAA,0x06};
unsigned char can_buf7[8]={0xAA,0x07};
uint16_t g_iCell1mVolt = 0;
uint16_t g_iCell2mVolt = 0;
uint16_t g_iCell3mVolt = 0;
uint16_t g_iCell4mVolt = 0;
uint16_t g_iCell5mVolt = 0;
uint16_t g_iCell6mVolt = 0;
uint16_t g_iCell7mVolt = 0;
uint16_t g_iCell8mVolt = 0;
uint16_t g_iCell9mVolt = 0;
uint16_t g_iCell10mVolt = 0;
uint16_t g_iCell11mVolt = 0;
uint16_t g_iCell12mVolt = 0;
uint16_t g_iCell13mVolt = 0;
uint16_t g_iCell14mVolt = 0;
uint16_t g_iCell15mVolt = 0;
uint16_t g_iPackVolt = 0;
uint16_t g_iPackCurrent = 0;
uint16_t g_iTemp1 = 0;
uint16_t g_iTemp2 = 0;
uint16_t g_iTemp3 = 0;
uint16_t g_iTemp4 = 0;
uint16_t g_iTemp5 = 0;
uint16_t g_iTemp6 = 0;
uint16_t g_iSoc = 0;
int ADC_offset,GAIN;
float ADC_GAIN = 0;
void MCU_WAKE_BQ_ONOFF(uint8_t onoff)
{
}
void Get_offset(void)
{
unsigned char gain[2];
gain[0]=BQ_IIC_read_one_byte(ADCGAIN1);//ADC_GAIN1
gain[1]=BQ_IIC_read_one_byte(ADCGAIN2);//ADC_GAIN2
ADC_GAIN = ((gain[0]&0x0c)<<1)+((gain[1]&0xe0)>>5);//12uV
ADC_offset=BQ_IIC_read_one_byte(ADCOFFSET);//45mV
GAIN = 365+ADC_GAIN;//GAIN=377uV
}
void BQ76940_config(void)
{
BQ_IIC_Configuration();
WAKE_ALL_DEVICE();
BQ_1_2_config();
Get_offset();
OV_UV_1_2_PROTECT();
OCD_SCD_PROTECT();
//Open_DSG_CHG();
BQ_IIC_write_one_byte_CRC(SYS_STAT,0xFF);
}
void BQ_1_2_config(void)
{
BQ_1_config();//
}
void OV_UV_1_2_PROTECT(void)
{
OV_UV_1_PROTECT();
}
void WAKE_ALL_DEVICE(void)
{
bms_boot_init();
// delay_1ms(100);
bms_boot_on();
//MCU_D_POWER_ONOFF(1);
//MCU_KZ_QB_POWER_ONOFF(1);
//MCU_WAKE_BQ_ONOFF(1);
//可做BQ76940的唤醒
delay_1ms(100);
}
void SHIP_ALL_DEVICE(void)
{
BQ_IIC_write_one_byte_CRC(SYS_STAT,0xFF);
}
void Get_Battery1(void)
{
unsigned int readbattbuf[2];
unsigned int battery1val[2];
short batteryval1;
readbattbuf[1] = BQ_IIC_read_one_byte(0x0c);
readbattbuf[0] = BQ_IIC_read_one_byte(0x0d);
batteryval1= readbattbuf[1];
batteryval1= (batteryval1 << 8) |readbattbuf[0];
batteryval1=((batteryval1*GAIN)/1000)+ADC_offset;//单体电压计算公式，第1串
printf("bat1 volt = %d\r\n",batteryval1);
Batteryval[0]=batteryval1;
battery1val[1]=(char)(batteryval1 >> 8);
battery1val[0]=(char)(batteryval1 & 0x00FF);
shang[2]=battery1val[1];
shang[3]=battery1val[0];
shang1[2]=battery1val[1];
shang1[3]=battery1val[0];
can_buf1[2]=battery1val[1];
can_buf1[3]=battery1val[0];
}
/****************************************
fuction: void Get_Battery2(void)
description:获取第2号单体电池电压
Parameters:battery2val[0],battery2val[1];
******************************************/
void Get_Battery2(void)
{
char readbattbuf[2];
int batteryval2;
short battery2val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x0e);
readbattbuf[0]=BQ_IIC_read_one_byte(0x0f);
batteryval2= readbattbuf[1];
batteryval2= (batteryval2 << 8) |readbattbuf[0];
batteryval2=((batteryval2*GAIN)/1000)+ADC_offset;//????????,?2?
Batteryval[1]=batteryval2;
printf("bat2 volt = %d\r\n",batteryval2);
battery2val[1]=(char)(batteryval2 >> 8);
battery2val[0]=(char)(batteryval2 & 0x00FF);
shang[4]=battery2val[1];
shang[5]=battery2val[0];
shang1[4]=battery2val[1];
shang1[5]=battery2val[0];
can_buf1[4]=battery2val[1];
can_buf1[5]=battery2val[0];
}
/****************************************
fuction: void Get_Battery3(void)
description:获取第3号单体电池电压
Parameters:battery3val[0],battery3val[1];
******************************************/
void Get_Battery3(void)
{
char readbattbuf[2];
int batteryval3 ;
char battery3val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x10);
readbattbuf[0]=BQ_IIC_read_one_byte(0x11);
batteryval3= readbattbuf[1];
batteryval3= (batteryval3 << 8) |readbattbuf[0];
batteryval3=((batteryval3*GAIN)/1000)+ADC_offset;//????????,?3?
battery3val[1]=(char)(batteryval3 >> 8);
battery3val[0]=(char)(batteryval3 >> 0);
Batteryval[2]=batteryval3;
shang[6]=battery3val[1];
shang[7]=battery3val[0];
shang1[6]=battery3val[1];
shang1[7]=battery3val[0];
can_buf1[6]=battery3val[1];
can_buf1[7]=battery3val[0];
}
/****************************************
fuction: void Get_Battery4(void)
description:获取第4号单体电池电压
Parameters:battery4val[0],battery4val[1];
******************************************/
void Get_Battery4(void)
{
char readbattbuf[2];
int batteryval4 ;
char battery4val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x12);
readbattbuf[0]=BQ_IIC_read_one_byte(0x13);
batteryval4= readbattbuf[1];
batteryval4= (batteryval4 << 8) |readbattbuf[0];
batteryval4=((batteryval4*GAIN)/1000)+ADC_offset;//????????,?4?
battery4val[1]=(char)(batteryval4 >> 8);
battery4val[0]=(char)(batteryval4 >> 0);
Batteryval[3]=batteryval4;
shang[8]=battery4val[1];
shang[9]=battery4val[0];
shang1[8]=battery4val[1];
shang1[9]=battery4val[0];
can_buf2[2]=battery4val[1];
can_buf2[3]=battery4val[0];
}
/****************************************
fuction: void Get_Battery5(void)
description:获取第5号单体电池电压
Parameters:battery5val[0],battery5val[1];
******************************************/
void Get_Battery5(void)
{
char readbattbuf[2];
short batteryval5 ;
char battery5val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x14);
readbattbuf[0]=BQ_IIC_read_one_byte(0x15);
batteryval5= readbattbuf[1];
batteryval5= (batteryval5 << 8) |readbattbuf[0];
batteryval5=((batteryval5*GAIN)/1000)+ADC_offset;//????????,?5?
Batteryval[4]=batteryval5;
battery5val[1]=(char)(batteryval5 >> 8);
battery5val[0]=(char)(batteryval5 & 0x00FF);
shang[10]=battery5val[1];
shang[11]=battery5val[0];
shang1[10]=battery5val[1];
shang1[11]=battery5val[0];
can_buf2[4]=battery5val[1];
can_buf2[5]=battery5val[0];
}
/****************************************
fuction: void Get_Battery6(void)
description:获取第6号单体电池电压
Parameters:battery6val[0],battery6val[1];
******************************************/
void Get_Battery6(void)
{
char readbattbuf[2];
short batteryval6 ;
char battery6val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x16);
readbattbuf[0]=BQ_IIC_read_one_byte(0x17);
batteryval6= readbattbuf[1];
batteryval6= (batteryval6 << 8) |readbattbuf[0];
batteryval6=((batteryval6*GAIN)/1000)+ADC_offset;//????????,?6?
Batteryval[5]=batteryval6;
battery6val[1]=(char)(batteryval6 >> 8);
battery6val[0]=(char)(batteryval6 & 0x00FF);
shang[12]=battery6val[1];
shang[13]=battery6val[0];
shang1[12]=battery6val[1];
shang1[13]=battery6val[0];
can_buf2[6]=battery6val[1];
can_buf2[7]=battery6val[0];
}
/****************************************
fuction: void Get_Battery7(void)
description:获取第7号单体电池电压
Parameters:battery7val[0],battery7val[1];
******************************************/
void Get_Battery7(void)
{
char readbattbuf[2];
short batteryval7 ;
char battery7val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x18);
readbattbuf[0]=BQ_IIC_read_one_byte(0x19);
batteryval7= readbattbuf[1];
batteryval7= (batteryval7 << 8) |readbattbuf[0];
batteryval7=((batteryval7*GAIN)/1000)+ADC_offset;//????????,?7?
Batteryval[6]=batteryval7;
battery7val[1]=(char)(batteryval7 >> 8);
battery7val[0]=(char)(batteryval7 & 0x00FF);
shang[14]=battery7val[1];
shang[15]=battery7val[0];
shang1[14]=battery7val[1];
shang1[15]=battery7val[0];
can_buf3[2]=battery7val[1];
can_buf3[3]=battery7val[0];
}
/****************************************
fuction: void Get_Battery8(void)
description:获取第8号单体电池电压
Parameters:battery8val[0],battery8val[1];
******************************************/
void Get_Battery8(void)
{
char readbattbuf[2];
int batteryval8 ;
char battery8val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x1a);
readbattbuf[0]=BQ_IIC_read_one_byte(0x1b);
batteryval8= readbattbuf[1];
batteryval8= (batteryval8 << 8) |readbattbuf[0];
batteryval8=((batteryval8*GAIN)/1000)+ADC_offset;//????????,?8?
battery8val[1]=(char)(batteryval8 >> 8);
battery8val[0]=(char)(batteryval8 >> 0);
Batteryval[7]=batteryval8;
shang[16]=battery8val[1];
shang[17]=battery8val[0];
shang1[16]=battery8val[1];
shang1[17]=battery8val[0];
can_buf3[4]=battery8val[1];
can_buf3[5]=battery8val[0];
}
/****************************************
fuction: void Get_Battery9(void)
description:获取第9号单体电池电压
Parameters:battery9val[0],battery9val[1];
******************************************/
void Get_Battery9(void)
{
char readbattbuf[2];
short batteryval9 ;
char battery9val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x1c);
readbattbuf[0]=BQ_IIC_read_one_byte(0x1d);
batteryval9= readbattbuf[1];
batteryval9= (batteryval9 << 8) |readbattbuf[0];
batteryval9=((batteryval9*GAIN)/1000)+ADC_offset;//????????,?8?
battery9val[1]=(char)(batteryval9 >> 8);
battery9val[0]=(char)(batteryval9 & 0x00FF);
Batteryval[8]=batteryval9;
shang[18]=battery9val[1];
shang[19]=battery9val[0];
shang1[18]=battery9val[1];
shang1[19]=battery9val[0];
can_buf3[6]=battery9val[1];
can_buf3[7]=battery9val[0];
}
/****************************************
fuction: void Get_Battery10(void)
description:获取第10号单体电池电压
Parameters:battery10val[0],battery10val[1];
******************************************/
void Get_Battery10(void)
{
char readbattbuf[2];
short batteryval10 ;
char battery10val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x1e);
readbattbuf[0]=BQ_IIC_read_one_byte(0x1f);
batteryval10= readbattbuf[1];
batteryval10= (batteryval10 << 8) |readbattbuf[0];
batteryval10=((batteryval10*GAIN)/1000)+ADC_offset;//????????,?8?
Batteryval[9]=batteryval10;
battery10val[1]=(char)(batteryval10 >> 8);
battery10val[0]=(char)(batteryval10 & 0x00FF);
shang[20]=battery10val[1];
shang[21]=battery10val[0];
shang2[2]=battery10val[1];
shang2[3]=battery10val[0];
can_buf4[2]=battery10val[1];
can_buf4[3]=battery10val[0];
}
/****************************************
fuction: void Get_Battery10(void)
description:获取第11号单体电池电压
Parameters:battery10val[0],battery10val[1];
******************************************/
void Get_Battery11(void)
{
char readbattbuf[2];
short batteryval11 ;
char battery11val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x20);
readbattbuf[0]=BQ_IIC_read_one_byte(0x21);
batteryval11= readbattbuf[1];
batteryval11= (batteryval11 << 8) |readbattbuf[0];
batteryval11=((batteryval11*GAIN)/1000)+ADC_offset;//????????,?8?
Batteryval[10]=batteryval11;
battery11val[1]=(char)(batteryval11 >> 8);
battery11val[0]=(char)(batteryval11 & 0x00FF);
shang[22]=battery11val[1];
shang[23]=battery11val[0];
shang2[4]=battery11val[1];
shang2[5]=battery11val[0];
can_buf4[4]=battery11val[1];
can_buf4[5]=battery11val[0];
}
/****************************************
fuction: void Get_Battery10(void)
description:获取第12号单体电池电压
Parameters:battery10val[0],battery10val[1];
******************************************/
void Get_Battery12(void)
{
char readbattbuf[2];
short batteryval12 ;
char battery12val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x22);
readbattbuf[0]=BQ_IIC_read_one_byte(0x23);
batteryval12= readbattbuf[1];
batteryval12= (batteryval12 << 8) |readbattbuf[0];
batteryval12=((batteryval12*GAIN)/1000)+ADC_offset;//????????,?8?
Batteryval[11]=batteryval12;
battery12val[1]=(char)(batteryval12 >> 8);
battery12val[0]=(char)(batteryval12 & 0x00FF);
shang[24]=battery12val[1];
shang[25]=battery12val[0];
shang2[6]=battery12val[1];
shang2[7]=battery12val[0];
can_buf4[6]=battery12val[1];
can_buf4[7]=battery12val[0];
}
/****************************************
fuction: void Get_Battery10(void)
description:获取第13号单体电池电压
Parameters:battery10val[0],battery10val[1];
******************************************/
void Get_Battery13(void)
{
char readbattbuf[2];
short batteryval13 ;
char battery13val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x24);
readbattbuf[0]=BQ_IIC_read_one_byte(0x25);
batteryval13= readbattbuf[1];
batteryval13= (batteryval13 << 8) |readbattbuf[0];
batteryval13=((batteryval13*GAIN)/1000)+ADC_offset;//????????,?8?
Batteryval[12]=batteryval13;
battery13val[1]=(char)(batteryval13 >> 8);
battery13val[0]=(char)(batteryval13 & 0x00FF);
shang[26]=battery13val[1];
shang[27]=battery13val[0];
shang2[8]=battery13val[1];
shang2[9]=battery13val[0];
can_buf5[2]=battery13val[1];
can_buf5[3]=battery13val[0];
}
/****************************************
fuction: void Get_Battery10(void)
description:获取第14号单体电池电压
Parameters:battery10val[0],battery10val[1];
******************************************/
void Get_Battery14(void)
{
char readbattbuf[2];
short batteryval14 ;
char battery14val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x26);
readbattbuf[0]=BQ_IIC_read_one_byte(0x27);
batteryval14= readbattbuf[1];
batteryval14= (batteryval14 << 8) |readbattbuf[0];
batteryval14=((batteryval14*GAIN)/1000)+ADC_offset;//????????,?8?
Batteryval[13]=batteryval14;
battery14val[1]=(char)(batteryval14 >> 8);
battery14val[0]=(char)(batteryval14 & 0x00FF);
shang[28]=battery14val[1];
shang[29]=battery14val[0];
shang2[10]=battery14val[1];
shang2[11]=battery14val[0];
can_buf5[4]=battery14val[1];
can_buf5[5]=battery14val[0];
}
/****************************************
fuction: void Get_Battery10(void)
description:获取第15号单体电池电压
Parameters:battery10val[0],battery10val[1];
******************************************/
void Get_Battery15(void)
{
char readbattbuf[2];
short batteryval15 ;
char battery15val[2];
readbattbuf[1]=BQ_IIC_read_one_byte(0x28);
readbattbuf[0]=BQ_IIC_read_one_byte(0x29);
batteryval15= readbattbuf[1];
batteryval15= (batteryval15 << 8) |readbattbuf[0];
batteryval15=((batteryval15*GAIN)/1000)+ADC_offset;//????????,?8?
Batteryval[14]=batteryval15;
battery15val[1]=(char)(batteryval15 >> 8);
battery15val[0]=(char)(batteryval15 & 0x00FF);
shang[30]=battery15val[1];
shang[31]=battery15val[0];
shang2[12]=battery15val[1];
shang2[13]=battery15val[0];
can_buf5[6]=battery15val[1];
can_buf5[7]=battery15val[0];
}
/****************************
获取所有电池的总电压值并用串口1打印出来
*****************************/
void Get_Update_ALL_Data(void)
{
int i,Sum_val;
Sum_val= Batteryval[0]+Batteryval[1]+Batteryval[4]+Batteryval[5]+Batteryval[6]+Batteryval[9]+Batteryval[10]+Batteryval[11]+Batteryval[14];
Batteryval[15] = Sum_val;
shang[32]=(char)(Batteryval[15] >> 8);
shang[33]=(char)(Batteryval[15] &0XFF);
shang2[14]=(char)shang[32];
shang2[15]=(char)shang[33];
can_buf6[2]=(char)shang[32];
can_buf6[3]=(char)shang[33];
}
int SOC;
void Get_SOC(void)
{
if(Batteryval[15] >(4100*9))
{SOC=100;}
else if(( Batteryval[15] >(4100*9))&&(Batteryval[15]<(4150*9))){SOC=95;}
else if((Batteryval[15]>(4050*9))&&(Batteryval[15]<(4100*9))){SOC=90;}
else if((Batteryval[15]>(4000*9))&&(Batteryval[15]<(4050*9))){SOC=88;}
else if((Batteryval[15]>(3950*9))&&(Batteryval[15]<(4000*9))){SOC=87;}
else if((Batteryval[15]>(3900*9))&&(Batteryval[15]<(3950*9))){SOC=86;}
else if((Batteryval[15]>(3900*9))&&(Batteryval[15]<(3950*9))){SOC=85;}
else if((Batteryval[15]>(3850*9))&&(Batteryval[15]<(3900*9))){SOC=84;}
else if((Batteryval[15]>(3800*9))&&(Batteryval[15]<(3850*9))){SOC=83;}
else if((Batteryval[15]>(3750*9))&&(Batteryval[15]<(3800*9))){SOC=82;}
else if((Batteryval[15]>(3700*9))&&(Batteryval[15]<(3750*9))){SOC=81;}
else if((Batteryval[15]>(3650*9))&&(Batteryval[15]<(3700*9))){SOC=80;}
else if((Batteryval[15]>(3600*9))&&(Batteryval[15]<(3650*9))){SOC=79;}
else if((Batteryval[15]>(3550*9))&&(Batteryval[15]<(3600*9))){SOC=78;}
else if((Batteryval[15]>(3500*9))&&(Batteryval[15]<(3550*9))){SOC=77;}
else if((Batteryval[15]>(3450*9))&&(Batteryval[15]<(3500*9))){SOC=40;}
else if((Batteryval[15]>(3400*9))&&(Batteryval[15]<(3500*9))){SOC=30;}
else if((Batteryval[15]>(3300*9))&&(Batteryval[15]<(3400*9))){SOC=20;}
else if((Batteryval[15]>(3200*9))&&(Batteryval[15]<(3300*9))){SOC=10;}
else if((Batteryval[15]>(3100*9))&&(Batteryval[15]<(3200*9))){SOC=5;}
Batteryval[16] = SOC;
shang[34]=(char)(Batteryval[16] >> 8);
shang[35]=(char)(Batteryval[16] &0XFF);
shang2[16]=(char)shang[34];
shang2[17]=(char)shang[35];
can_buf6[4]=(char)shang[34];
can_buf6[5]=(char)shang[35];
}
//获取所有电池的电压值并用串口打印出来
/////////////////////////////////////////////////////////////////////////////////////////////////////////
void OV_UV_1_PROTECT(void)
{
unsigned char OVTrip_Val,UVTrip_Val;
float t = 0.377;
OVTrip_Val = (unsigned char)((((unsigned int)((OVPThreshold - ADC_offset)/t + 0.5 ) )>>4) &0xFF);
UVTrip_Val = (unsigned char)((((unsigned int)((UVPThreshold - ADC_offset)/t + 0.5 ) )>>4) &0xFF);
BQ_IIC_write_one_byte_CRC(OV_TRIP,OVTrip_Val);
BQ_IIC_write_one_byte_CRC(UV_TRIP,UVTrip_Val);
}
void OCD_SCD_PROTECT(void)
{
BQ_IIC_write_one_byte_CRC(PROTECT1,0x19);//设置短路电流66A(SRN-SRP33mV)，短路延时400us，RSNS=0.
BQ_IIC_write_one_byte_CRC(PROTECT2,0x7F);//设置OSD为100A(SRN-SRP50mV)，延时设置最长为1280ms。
}
/****************************************
fuction: void BQ_1_config(void)
description:BQ76930初始化
Parameters: None
//0x04寄存器0x19对应SCD延时70uS，放电短路电压33mV；
//0x05寄存器设置检测电流为1-shot模式；
//0x06寄存器0x39对应OCD的延时时间80mS，放电过流电压33mV；短路和过流对应电流都是60A.
******************************************/
unsigned char BQ769_INITAdd[12]={SYS_STAT,CELLBAL1,CELLBAL2,CELLBAL3,SYS_CTRL1,SYS_CTRL2,PROTECT1,PROTECT2,PROTECT3,OV_TRIP,UV_TRIP,CC_CFG};
unsigned char BQ769_INITdata[12]={0xFF, 0x00, 0x00, 0x00, 0x18, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x19};
void BQ_1_config(void)
{
char i;
for(i=0;i<12;i++)
{
delay_1ms(10);
BQ_IIC_write_one_byte_CRC(BQ769_INITAdd[i],BQ769_INITdata[i]);
}
}
/****************************************
fuction: 均衡的1、2、5、6、7、10分别表示电池组上第1到6节的均衡，
并且需要注意相邻的电池串不能同时开启均衡。由于均衡的条件不同需要用户根据自己的需求开启。
description:
Parameters: None
******************************************/
void Battery1_Balance(void)
{
BQ_IIC_write_one_byte_CRC(CELLBAL1,0X01);
}
void Battery2_Balance(void)
{
BQ_IIC_write_one_byte_CRC(CELLBAL1,0X02);
}
void Battery5_Balance(void)
{
BQ_IIC_write_one_byte_CRC(CELLBAL1,0X10);
}
void Battery6_Balance(void)
{
BQ_IIC_write_one_byte_CRC(CELLBAL2,0X01);
}
void Battery7_Balance(void)
{
BQ_IIC_write_one_byte_CRC(CELLBAL2,0X02);
}
void Battery10_Balance(void)
{
BQ_IIC_write_one_byte_CRC(CELLBAL2,0X10);
}
/****************************************
fuction: void BQ_1_config(void)
description:BQ76930初始化
Parameters: None
******************************************/
void BQ_2_config(void)
{
char i;
for(i=0;i<11;i++)
{
delay_1ms(50);
}
}
/****************************************
fuction:void SHIP_1_BQ769(void)
description:BQ76930进入低功耗模式
Parameters: None
******************************************/
void SHIP_1_BQ769(void)
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL1,0x19); //01
delay_1ms(20);
BQ_IIC_write_one_byte_CRC(SYS_CTRL1,0x1a); //10
}
/****************************************
fuction:void SHIP_2_BQ769(void)
description:从BQ76930低功耗模式唤醒
Parameters: None
******************************************/
void WAKE_1_BQ769(void)
{
MCU_WAKE_BQ_ONOFF(1);
delay_1ms(50);
MCU_WAKE_BQ_ONOFF(0);
//NVIC_SystemReset(); //重启
}
/****************************************
fuction: void Get_BQCurrent(void)
description:BQ76940电流测量，采样电阻按4mΩ/8计算
Parameters: None
******************************************/
void Get_BQ_Current(void)
{
unsigned char readCurrentbuf[2];
unsigned int Currentbufval;
float Currentval;
unsigned char Currentbuf[1];
readCurrentbuf[1]=BQ_IIC_read_one_byte(CC_HI_BYTE);
readCurrentbuf[0]=BQ_IIC_read_one_byte(CC_LO_BYTE);
Currentbufval = readCurrentbuf[1];
Currentbufval = (Currentbufval << 8)|readCurrentbuf[0];
if( Currentbufval <= 0x7D00 )
{
Currentval = (Currentbufval*2.11); //单位mV；按4mΩ/8计算，单位mA；
Batteryval[17]=Currentval;
shang[36]=Batteryval[17]>>8;
shang[37]=Batteryval[17]&0X00FF;
shang2[18]=shang[36];
shang2[19]=shang[37];
can_buf6[6]=(char)shang[36];
can_buf6[7]=(char)shang[37];
}
else
{
Currentval = ((0XFFFF - Currentbufval )*2.11);
Batteryval[17]=Currentval;
shang[36]=Batteryval[17]>>8;
shang[37]=Batteryval[17]&0X00FF;
shang2[18]=shang[36];
shang2[19]=shang[37];
can_buf6[6]=(char)shang[36];
can_buf6[7]=(char)shang[37];
}
}
/****************************************
fuction: void Get_BQ_1_Temp(void)
description:BQ76930 103AT温度测量
Parameters: None
******************************************/
float Tempval_1,Tempval_2,Tempval_3,Tempval_4;
void Get_BQ1_1_Temp(void)
{
float Rt=0;
float Rp=10000;
float T2=273.15+25;
float Bx=3380;
float Ka=273.15;
unsigned char readTempbuf[2];
int TempRes;
unsigned char Tempbuf[1];
readTempbuf[1]=BQ_IIC_read_one_byte(TS1_HI_BYTE);
readTempbuf[0]=BQ_IIC_read_one_byte(TS1_LO_BYTE);
TempRes = (readTempbuf[1] << 8 ) | readTempbuf[0];
TempRes = (10000*(TempRes*382/1000))/(3300-(TempRes*382/1000));
Tempval_1 = 1/(1/T2+(log(TempRes/Rp))/Bx)- Ka + 0.5;
Batteryval[18] = Tempval_1;
}
void Get_BQ1_2_Temp(void)
{
float Rt=0;
float Rp=10000;
float T2=273.15+25;
float Bx=3380;
float Ka=273.15;
unsigned char readTempbuf[2];
int TempRes;
unsigned char Tempbuf[1];
readTempbuf[1]=BQ_IIC_read_one_byte(TS2_HI_BYTE);
readTempbuf[0]=BQ_IIC_read_one_byte(TS2_LO_BYTE);
TempRes = (readTempbuf[1] << 8 ) | readTempbuf[0];
TempRes = (10000*(TempRes*382/1000))/(3300-(TempRes*382/1000));
Tempval_2 = 1/(1/T2+(log(TempRes/Rp))/Bx)- Ka + 0.5;
Batteryval[18] = Tempval_2;
shang[38]=Batteryval[18];
shang3[2]=shang[38];
can_buf7[2]=(char)shang[38];
printf("Tempval_2 = %f\r\n",Tempval_2);
}
unsigned char BMS_sta,DSG_STA,CHG_STA,DSG_STA_FLAG,CHG_STA_FLAG;
void BMS_STA(void)
{
BMS_sta = BQ_IIC_read_one_byte(SYS_CTRL2);
DSG_STA = BMS_sta&0x02;
CHG_STA = BMS_sta&0x01;
shang[39]=DSG_STA;
shang[40]=CHG_STA;
can_buf7[3]=(char)shang[39];
can_buf7[4]=(char)shang[40];
}
void Only_Open_CHG(void)
{
BMS_STA();
if(DSG_STA!=0)
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X43);
}
else
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X41);
}
}
void Only_Close_CHG(void)
{
BMS_STA();
if(DSG_STA!=0)
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X42);
}
else
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X40);
}
}
void Only_Open_DSG(void)
{
BMS_STA();
if(CHG_STA!=0)
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X43);
}
else
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X42);
}
}
void Only_Close_DSG(void)
{
BMS_STA();
if(CHG_STA!=0)
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X41);
}
else
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X40);
}
}
void Open_DSG_CHG(void)
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X43);
}
void Close_DSG_CHG(void)
{
BQ_IIC_write_one_byte_CRC(SYS_CTRL2,0X40);
}
void Update_val(void)
{
printf("第一节电池电压为:%dmV",Batteryval[0]);
printf("第二节电池电压为:%dmV",Batteryval[1]);
}
void bsp_bq76940_get_update_data(void)
{
Get_Battery1();
Get_Battery2();
// //Get_Battery3();
// // Get_Battery4();
// Get_Battery5();
// Get_Battery6();
// Get_Battery7();
// // Get_Battery8();
// //Get_Battery9();
// Get_Battery10();
// Get_Battery11();
// Get_Battery12();
// //Get_Battery13();
// // Get_Battery14();
// Get_Battery15();
// Get_Update_ALL_Data();//总电压
// Get_SOC();
// Get_BQ1_2_Temp();
// Get_BQ_Current();
// BMS_STA();
Update_val();
}
/****************************************
fuction:void readbqstate(void)
description:读取报警信号值
Parameters: UV_Alarm_flagOV_Alarm_flag
SCD_Alarm_flag,OCD_Alarm_flag
******************************************/
int UV_Alarm_flag,OV_Alarm_flag,SCD_Alarm_flag,OCD_Alarm_flag;
void ALERT_1_Recognition(void)
{
unsigned char sys_stat_1,sys_stat_2,UV_1,OV_1,UV_2,OV_2,SCD,OCD;
sys_stat_1 = BQ_IIC_read_one_byte(SYS_STAT);//获取状态
UV_1 = sys_stat_1&0x08; //取出UV位
OV_1 = sys_stat_1&0x04;
SCD = sys_stat_1&0x02;
OCD = sys_stat_1&0x01;
if((UV_1 == 0x08)||(UV_2 == 0x08))
{
UV_Alarm_flag = 1; //欠压报警
printf("pack UV\n");
}
else
UV_Alarm_flag = 0; //没有欠压
if((OV_1 == 0x04)||(OV_2 == 0x04))
{
OV_Alarm_flag = 1;
printf("pack OV\n");
}
else
OV_Alarm_flag = 0;
if(SCD == 0x02)
{
SCD_Alarm_flag = 1;
printf("pack SCD\n");
}
else
SCD_Alarm_flag = 0;
if(OCD == 0x01)
{
OCD_Alarm_flag = 1;
printf("pack OCD\n");
}
else
OCD_Alarm_flag = 0;
}
/******************************************Code End*************************************************/
// CRC8校验计算：X8 + X2 + X + 1
//ptr:字节数据的指针
//len:字节数量
//key = 7
unsigned char IIC_CRC8(unsigned char *ptr, unsigned char len,unsigned char key)
{
unsigned char i;
unsigned char crc=0;
while(len--!=0)
{
for(i=0x80; i!=0; i/=2)
{
if((crc & 0x80) != 0)
{
crc *= 2;
crc ^= key;
}
else
crc *= 2;
if((*ptr & i)!=0)
crc ^= key;
}
ptr++;
}
return(crc);
}
//BQ76940.h
#ifndef _BSP_BQ76940_H_
#define _BSP_BQ76940_H_
#include "gd32f10x.h"
#include <stdio.h>
/**************************************************************************************/
#define SYS_STAT 0x00
#define CELLBAL1 0x01
#define CELLBAL2 0x02
#define CELLBAL3 0x03
#define SYS_CTRL1 0x04
#define SYS_CTRL2 0x05
#define PROTECT1 0x06
#define PROTECT2 0x07
#define PROTECT3 0x08
#define OV_TRIP 0x09
#define UV_TRIP 0x0A
#define CC_CFG 0x0B
#define OVPThreshold 4400 // 3150-4700
#define OV_Re_Threshold 4300
#define UVPThreshold 2400 // 1580-3100
#define UV_Re_Threshold 2500
#define OTPThreshold 60 //
#define UTPThreshold -20 //
#define TempPThreshold -50
#define VC1_HI_BYTE 0x0C
#define VC1_LO_BYTE 0x0D
#define VC2_HI_BYTE 0x0E
#define VC2_LO_BYTE 0x0F
#define VC3_HI_BYTE 0x10
#define VC3_LO_BYTE 0x11
#define VC4_HI_BYTE 0x12
#define VC4_LO_BYTE 0x13
#define VC5_HI_BYTE 0x14
#define VC5_LO_BYTE 0x15
#define VC6_HI_BYTE 0x16
#define VC6_LO_BYTE 0x17
#define VC7_HI_BYTE 0x18
#define VC7_LO_BYTE 0x19
#define VC8_HI_BYTE 0x1A
#define VC8_LO_BYTE 0x1B
#define VC9_HI_BYTE 0x1C
#define VC9_LO_BYTE 0x1D
#define VC10_HI_BYTE 0x1E
#define VC10_LO_BYTE 0x1F
#define BAT_HI_BYTE 0x2A
#define BAT_LO_BYTE 0x2B
#define TS1_HI_BYTE 0x2C
#define TS1_LO_BYTE 0x2D
#define TS2_HI_BYTE 0x2E
#define TS2_LO_BYTE 0x2F
#define CC_HI_BYTE 0x32
#define CC_LO_BYTE 0x33
#define ADCGAIN1 0x50
#define ADCOFFSET 0x51
#define ADCGAIN2 0x59
#define SCD_DELAY_50us 0x0
#define SCD_DELAY_100us 0x1
#define SCD_DEALY_200us 0x2
#define SCD_DELAY_400us 0x3
#define SCD_THRESH_44mV_22mV 0
#define SCD_THRESH_67mV_33mV 1
#define SCD_THRESH_89mV_44mV 2
#define SCD_THRESH_111mV_56mV 3
#define SCD_THRESH_133mV_67mV 4
#define SCD_TRHESH_155mV_68mV 5
#define SCD_THRESH_178mV_89mV 6
#define SCD_THRESH_200mV_100mV 7
#define OCD_DEALY_10ms 0x0
#define OCD_DELAY_20ms 0x1
#define OCD_DELAY_40ms 0x2
#define OCD_DELAY_80ms 0x3
#define OCD_DELAY_160ms 0x4
#define OCD_DELAY_320ms 0x5
#define OCD_DELAY_640ms 0x6
#define OCD_DELAY_1280ms 0x7
#define OCD_THRESH_17mV_8mV 0
#define OCD_THRESH_22mV_11mV 1
#define OCD_THRESH_28mV_14mV 2
#define OCD_THRESH_33mV_17mV 3
#define OCD_THRESH_39mV_19mV 4
#define OCD_THRESH_44mV_22mV 5
#define OCD_THRESH_50mV_25mV 6
#define OCD_THRESH_56mV_28MV 7
#define OCD_THRESH_61mV_31mV 8
#define OCD_THRESH_67mV_33mV 9
#define OCD_THRESH_72mV_36mV 0xA
#define OCD_THRESH_78mV_39mV 0xB
#define OCD_THRESH_83mV_42mV 0xC
#define OCD_THRESH_89mV_44mV 0xD
#define OCD_THRESH_94mV_47mV 0xE
#define OCD_THRESH_100mV_50mV 0xF
#define UV_DELAY_1s 0
#define UV_DELAY_4s 1
#define UV_DELAY_8s 2
#define UV_DELAY_16s 3
#define OV_DELAY_1s 0
#define OV_DELAY_2s 1
#define OV_DELAY_4s 2
#define OV_DELAY_8s 3
#define OV_THRESH_BASE 0x2008
#define UV_THRESH_BASE 0x1000
#define OV_STEP 0x10
#define UV_STEP 0x10
#define ADCGAIN_BASE 365
#define LOW_BYTE(Data) (unsigned char)(0xff & Data)
#define HIGH_BYTE(Data) (unsigned char)(0xff & (Data >> 8))
extern unsigned char can_buf1[8];
extern unsigned char can_buf2[8];
extern unsigned char can_buf3[8];
extern unsigned char can_buf4[8];
extern unsigned char can_buf5[8];
extern unsigned char can_buf6[8];
extern unsigned char can_buf7[8];
extern uint16_t g_iCell1mVolt;
extern uint16_t g_iCell2mVolt;
extern uint16_t g_iCell3mVolt;
extern uint16_t g_iCell4mVolt;
extern uint16_t g_iCell5mVolt;
extern uint16_t g_iCell6mVolt;
extern uint16_t g_iCell7mVolt;
extern uint16_t g_iCell8mVolt;
extern uint16_t g_iCell9mVolt;
extern uint16_t g_iCell10mVolt;
extern uint16_t g_iCell11mVolt;
extern uint16_t g_iCell12mVolt;
extern uint16_t g_iCell13mVolt;
extern uint16_t g_iCell14mVolt;
extern uint16_t g_iCell15mVolt;
extern uint16_t g_iPackVolt;
extern uint16_t g_iPackCurrent;
extern uint16_t g_iTemp1;
extern uint16_t g_iTemp2;
extern uint16_t g_iTemp3;
extern uint16_t g_iTemp4;
extern uint16_t g_iTemp5;
extern uint16_t g_iTemp6;
extern uint16_t g_iSoc;
void Get_offset(void);
void Get_Battery1(void);
void Get_Battery2(void);
void Get_Battery3(void);
void Get_Battery4(void);
void Get_Battery5(void);
void Get_Battery6(void);
void Get_Battery7(void);
void Get_Battery8(void);
void Get_Battery9(void);
void Get_Battery10(void);
void Get_Battery11(void);
void Get_Battery12(void);
void Get_Battery13(void);
void Get_Battery14(void);
void Get_Battery15(void);
void Get_Battery16(void);
void Get_Battery17(void);
void Get_Battery18(void);
void Get_Battery19(void);
void Get_Battery20(void);
void Get_Update_Data(void);
void OV_UV_1_PROTECT(void);
void BQ_1_config(void);
void SHIP_1_BQ769(void);
void ALERT_1_Recognition(void );
void Temp_ALERT(void);
void Get_BQ_Current(void);
void Get_BQ1_1_Temp(void);
void Get_BQ1_2_Temp(void);
void Get_BQ2_1_Temp(void);
void Get_BQ2_2_Temp(void);
void BMS_STA(void);
unsigned char CRC8(unsigned char *ptr, unsigned char len,unsigned char key);
void OV_UV_2_PROTECT(void);
void BQ_2_config(void);
void SHIP_2_BQ769(void);
void ALERT_2_Recognition(void );
void SHIP_2_BQ769(void);
void BQ76940_config(void);
void Get_Update_ALL_BAT(void);
void BQ_1_2_config(void);
void OV_UV_1_2_PROTECT(void);
void WAKE_ALL_DEVICE(void);
void Only_Open_CHG(void);
void Only_Close_CHG(void);
void Only_Open_DSG(void);
void Only_Close_DSG(void);
void Open_DSG_CHG(void);
void Close_DSG_CHG(void);
void OCD_SCD_PROTECT(void);
void SHIP_ALL_DEVICE(void);
void Led_Alarm(void);
void Get_SOC(void);
void bsp_bq76940_get_update_data(void);
/**************************************************************************************/
/*
typedef struct _Register_Group
{
union
{
struct
{
unsigned char OCD :1;
unsigned char SCD :1;
unsigned char OV :1;
unsigned char UV :1;
unsigned char OVRD_ALERT :1;
unsigned char DEVICE_XREADY :1;
unsigned char WAKE :1;
unsigned char CC_READY :1;
}StatusBit;
unsigned char StatusByte;
}SysStatus;
union
{
struct
{
unsigned char RSVD :3;
unsigned char CB5 :1;
unsigned char CB4 :1;
unsigned char CB3 :1;
unsigned char CB2 :1;
unsigned char CB1 :1;
}CellBal1Bit;
unsigned char CellBal1Byte;
}CellBal1;
union
{
struct
{
unsigned char RSVD :3;
unsigned char CB10 :1;
unsigned char CB9 :1;
unsigned char CB8 :1;
unsigned char CB7 :1;
unsigned char CB6 :1;
}CellBal2Bit;
unsigned char CellBal2Byte;
}CellBal2;
union
{
struct
{
unsigned char RSVD :3;
unsigned char CB15 :1;
unsigned char CB14 :1;
unsigned char CB13 :1;
unsigned char CB12 :1;
unsigned char CB11 :1;
}CellBal3Bit;
unsigned char CellBal3Byte;
}CellBal3;
union
{
struct
{
unsigned char SHUT_B :1;
unsigned char SHUT_A :1;
unsigned char RSVD1 :1;
unsigned char TEMP_SEL :1;
unsigned char ADC_EN :1;
unsigned char RSVD2 :2;
unsigned char LOAD_PRESENT :1;
}SysCtrl1Bit;
unsigned char SysCtrl1Byte;
}SysCtrl1;
union
{
struct
{
unsigned char CHG_ON :1;
unsigned char DSG_ON :1;
unsigned char WAKE_T :2;
unsigned char WAKE_EN :1;
unsigned char CC_ONESHOT :1;
unsigned char CC_EN :1;
unsigned char DELAY_DIS :1;
}SysCtrl2Bit;
unsigned char SysCtrl2Byte;
}SysCtrl2;
union
{
struct
{
unsigned char SCD_THRESH :3;
unsigned char SCD_DELAY :2;
unsigned char RSVD :2;
unsigned char RSNS :1;
}Protect1Bit;
unsigned char Protect1Byte;
}Protect1;
union
{
struct
{
unsigned char OCD_THRESH :4;
unsigned char OCD_DELAY :3;
unsigned char RSVD :1;
}Protect2Bit;
unsigned char Protect2Byte;
}Protect2;
union
{
struct
{
unsigned char RSVD :4;
unsigned char OV_DELAY :2;
unsigned char UV_DELAY :2;
}Protect3Bit;
unsigned char Protect3Byte;
}Protect3;
unsigned char OVTrip;
unsigned char UVTrip;
unsigned char CCCfg; //must be 0x19
union
{
struct
{
unsigned char VC1_HI;
unsigned char VC1_LO;
}VCell1Byte;
unsigned short VCell1Word;
}VCell1;
union
{
struct
{
unsigned char VC2_HI;
unsigned char VC2_LO;
}VCell2Byte;
unsigned short VCell2Word;
}VCell2;
union
{
struct
{
unsigned char VC3_HI;
unsigned char VC3_LO;
}VCell3Byte;
unsigned short VCell3Word;
}VCell3;
union
{
struct
{
unsigned char VC4_HI;
unsigned char VC4_LO;
}VCell4Byte;
unsigned short VCell4Word;
}VCell4;
union
{
struct
{
unsigned char VC5_HI;
unsigned char VC5_LO;
}VCell5Byte;
unsigned short VCell5Word;
}VCell5;
union
{
struct
{
unsigned char VC6_HI;
unsigned char VC6_LO;
}VCell6Byte;
unsigned short VCell6Word;
}VCell6;
union
{
struct
{
unsigned char VC7_HI;
unsigned char VC7_LO;
}VCell7Byte;
unsigned short VCell7Word;
}VCell7;
union
{
struct
{
unsigned char VC8_HI;
unsigned char VC8_LO;
}VCell8Byte;
unsigned short VCell8Word;
}VCell8;
union
{
struct
{
unsigned char VC9_HI;
unsigned char VC9_LO;
}VCell9Byte;
unsigned short VCell9Word;
}VCell9;
union
{
struct
{
unsigned char VC10_HI;
unsigned char VC10_LO;
}VCell10Byte;
unsigned short VCell10Word;
}VCell10;
union
{
struct
{
unsigned char VC11_HI;
unsigned char VC11_LO;
}VCell11Byte;
unsigned short VCell11Word;
}VCell11;
union
{
struct
{
unsigned char VC12_HI;
unsigned char VC12_LO;
}VCell12Byte;
unsigned short VCell12Word;
}VCell12;
union
{
struct
{
unsigned char VC13_HI;
unsigned char VC13_LO;
}VCell13Byte;
unsigned short VCell13Word;
}VCell13;
union
{
struct
{
unsigned char VC14_HI;
unsigned char VC14_LO;
}VCell14Byte;
unsigned short VCell14Word;
}VCell14;
union
{
struct
{
unsigned char VC15_HI;
unsigned char VC15_LO;
}VCell15Byte;
unsigned short VCell15Word;
}VCell15;
union
{
struct
{
unsigned char BAT_HI;
unsigned char BAT_LO;
}VBatByte;
unsigned short VBatWord;
}VBat;
union
{
struct
{
unsigned char TS1_HI;
unsigned char TS1_LO;
}TS1Byte;
unsigned short TS1Word;
}TS1;
union
{
struct
{
unsigned char TS2_HI;
unsigned char TS2_LO;
}TS2Byte;
unsigned short TS2Word;
}TS2;
union
{
struct
{
unsigned char TS3_HI;
unsigned char TS3_LO;
}TS3Byte;
unsigned short TS3Word;
}TS3;
union
{
struct
{
unsigned char CC_HI;
unsigned char CC_LO;
}CCByte;
unsigned short CCWord;
}CC;
union
{
struct
{
unsigned char RSVD1 :2;
unsigned char ADCGAIN_4_3 :2;
unsigned char RSVD2 :4;
}ADCGain1Bit;
unsigned char ADCGain1Byte;
}ADCGain1;
unsigned char ADCOffset;
union
{
struct
{
unsigned char RSVD :5;
unsigned char ADCGAIN_2_0 :3;
}ADCGain2Bit;
unsigned char ADCGain2Byte;
}ADCGain2;
}RegisterGroup;
typedef enum
{
HAL_OK = 0x00U,
HAL_ERROR = 0x01U,
HAL_BUSY = 0x02U,
HAL_TIMEOUT = 0x03U
} HAL_StatusTypeDef;
//ALERT
#define AFEBoot_GPIO_Port GPIOC
#define AFEBoot_Pin GPIO_PIN_4
#define BQ76940_ADDRESS 0x08
#define BQMAXIMO 0x08
#define LOWBYTE(Data) (unsigned char)(0x00ff & Data)
#define HIGHBYTE(Data) (unsigned char)((0xff00 & Data)>>8)
#define CRC_KEY 7
#define DELAY_LIMIT 0xffff
#define SYS_STAT 0
#define CELLBAL1 1
#define CELLBAL2 2
#define CELLBAL3 3
#define SYS_CTRL1 4
#define SYS_CTRL2 5
#define PROTECT1 0x06
#define PROTECT2 0x07
#define PROTECT3 0x08
#define OV_TRIP 0x09
#define UV_TRIP 0x0A
#define VC1_HI_BYTE 0x0C
#define CC_HI_BYTE 0x32
#define BAT_HI_BYTE 0x2A
#define TS1_HI_BYTE 0x2C
#define TS2_HI_BYTE 0x2E
#define ADCGAIN1 0x50
#define ADCOFFSET 0x51
#define ADCGAIN2 0x59
#define SCD_DELAY_50us 0x0
#define SCD_DELAY_100us 0x1
#define SCD_DEALY_200us 0x2
#define SCD_DELAY_400us 0x3
#define SCD_THRESH_44mV_22mV 0
#define SCD_THRESH_67mV_33mV 1
#define SCD_THRESH_89mV_44mV 2
#define SCD_THRESH_111mV_56mV 3
#define SCD_THRESH_133mV_67mV 4
#define SCD_TRHESH_155mV_68mV 5
#define SCD_THRESH_178mV_89mV 6
#define SCD_THRESH_200mV_100mV 7
#define OCD_DEALY_10ms 0x0
#define OCD_DELAY_20ms 0x1
#define OCD_DELAY_40ms 0x2
#define OCD_DELAY_80ms 0x3
#define OCD_DELAY_160ms 0x4
#define OCD_DELAY_320ms 0x5
#define OCD_DELAY_640ms 0x6
#define OCD_DELAY_1280ms 0x7
#define OCD_THRESH_17mV_8mV 0
#define OCD_THRESH_22mV_11mV 1
#define OCD_THRESH_28mV_14mV 2
#define OCD_THRESH_33mV_17mV 3
#define OCD_THRESH_39mV_19mV 4
#define OCD_THRESH_44mV_22mV 5
#define OCD_THRESH_50mV_25mV 6
#define OCD_THRESH_56mV_28MV 7
#define OCD_THRESH_61mV_31mV 8
#define OCD_THRESH_67mV_33mV 9
#define OCD_THRESH_72mV_36mV 0xA
#define OCD_THRESH_78mV_39mV 0xB
#define OCD_THRESH_83mV_42mV 0xC
#define OCD_THRESH_89mV_44mV 0xD
#define OCD_THRESH_94mV_47mV 0xE
#define OCD_THRESH_100mV_50mV 0xF
#define UV_DELAY_1s 0
#define UV_DELAY_4s 1
#define UV_DELAY_8s 2
#define UV_DELAY_16s 3
#define OV_DELAY_1s 0
#define OV_DELAY_2s 1
#define OV_DELAY_4s 2
#define OV_DELAY_8s 3
#define OV_THRESH_BASE 0x2008
#define UV_THRESH_BASE 0x1000
#define OV_STEP 0x10
#define UV_STEP 0x10
#define ADCGAIN_BASE 365
#define LOW_BYTE(Data) (unsigned char)(0xff & Data)
#define HIGH_BYTE(Data) (unsigned char)(0xff & (Data >> 8))
#define IIC_TIME_OUT 10
*/
extern unsigned char IIC_CRC8(unsigned char *ptr, unsigned char len,unsigned char key);
#endif