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93ca37e36c4700131d73bcf732514156e7cb3a4c
origincar_controller/BALANCE/system.c
cyy_mac 93ca37e36c 完善阿克曼控制与高速串口遥测 
- 校正舵机中位、转向符号和阿克曼后轮差速模型\n- 增加航向角速度辅助及遥控通道调试开关\n- 将速度环提升至 200Hz，并按实际 dt 计算 PI 积分\n- 将 IMU 启动校准缩短为 2 秒\n- 为 USART3 增加 DMA 发送和 MCU 采样时间戳
2026-08-12 18:51:48 +08:00

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#include "system.h"
//Robot software fails to flag bits
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܱ<EFBFBD>־λ
u8 Flag_Stop=1;
//The ADC value is variable in segments, depending on the number of car models. Currently there are 6 car models
//ADCֵ<43>ֶα<D6B6><CEB1><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD>ͺ<EFBFBD><CDBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀǰ<C4BF><C7B0>6<EFBFBD><36>С<EFBFBD><D0A1><EFBFBD>ͺ<EFBFBD>
int Divisor_Mode;
// Robot type variable
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͺű<CDBA><C5B1><EFBFBD>
//0=Mec_Car<61><72>1=Omni_Car<61><72>2=Akm_Car<61><72>3=Diff_Car<61><72>4=FourWheel_Car<61><72>5=Tank_Car
u8 Car_Mode=4;
//Servo control PWM value, Ackerman car special
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>PWMֵ<4D><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1>ר<EFBFBD><D7A8>
int Servo = SERVO_INIT;
//Default speed of remote control car, unit: mm/s
//ң<><D2A3>С<EFBFBD><D0A1><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC><EFBFBD>ٶȣ<D9B6><C8A3><EFBFBD>λ<EFBFBD><CEBB>mm/s
float RC_Velocity=500;
//Vehicle three-axis target moving speed, unit: m/s
//С<><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD>˶<EFBFBD><CBB6>ٶȣ<D9B6><C8A3><EFBFBD>λ<EFBFBD><CEBB>m/s
float Move_X, Move_Y, Move_Z;
//Speed PI parameters: Ki is in PWM/(m/s*s) and multiplies measured dt.
//<2F>ٶ<EFBFBD>PI<50><49><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ki<4B><69>λΪPWM/(m/s*s)<29><><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>dt<64><74><EFBFBD>
float Velocity_KP=300,Velocity_KI=80000;
//Smooth control of intermediate variables, dedicated to omni-directional moving cars
//ƽ<><C6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB><EFBFBD>ƶ<EFBFBD>С<EFBFBD><D0A1>ר<EFBFBD><D7A8>
Smooth_Control smooth_control;
//The parameter structure of the motor
//<2F><><EFBFBD><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD>ṹ<EFBFBD><E1B9B9>
Motor_parameter MOTOR_A,MOTOR_B,MOTOR_C,MOTOR_D;
/************ С<><D0A1><EFBFBD>ͺ<EFBFBD><CDBA><EFBFBD>ر<EFBFBD><D8B1><EFBFBD> **************************/
/************ Variables related to car model ************/
//Encoder accuracy
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
float Encoder_precision;
//Wheel circumference, unit: m
//<2F><><EFBFBD><EFBFBD><EFBFBD>ܳ<EFBFBD><DCB3><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>m
float Wheel_perimeter;
//Drive wheel base, unit: m
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־࣬<D6BE><E0A3AC>λ<EFBFBD><CEBB>m
float Wheel_spacing;
//The wheelbase of the front and rear axles of the trolley, unit: m
//С<><D0A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><E0A3AC>λ<EFBFBD><CEBB>m
float Axle_spacing;
//All-directional wheel turning radius, unit: m
//ȫ<><C8AB><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>뾶<EFBFBD><EBBEB6><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>m
float Omni_turn_radiaus;
/************ С<><D0A1><EFBFBD>ͺ<EFBFBD><CDBA><EFBFBD>ر<EFBFBD><D8B1><EFBFBD> **************************/
/************ Variables related to car model ************/
//PS2 controller, Bluetooth APP, aircraft model controller, CAN communication, serial port 1, serial port 5 communication control flag bit.
//These 6 flag bits are all 0 by default, representing the serial port 3 control mode
//PS2<53>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>APP<50><50><EFBFBD><EFBFBD>ģ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>CANͨ<4E>š<EFBFBD><C5A1><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5ͨ<35>ſ<EFBFBD><C5BF>Ʊ<EFBFBD>־λ<D6BE><CEBB><EFBFBD><EFBFBD>6<EFBFBD><36><EFBFBD><EFBFBD>־λĬ<CEBB>϶<EFBFBD>Ϊ0<CEAA><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3<EFBFBD><33><EFBFBD><EFBFBD>ģʽ
u8 PS2_ON_Flag=0, APP_ON_Flag=0, Remote_ON_Flag=0, CAN_ON_Flag=0, Usart1_ON_Flag, Usart5_ON_Flag;
//Bluetooth remote control associated flag bits
//<2F><><EFBFBD><EFBFBD>ң<EFBFBD><D2A3><EFBFBD><EFBFBD>صı<D8B5>־λ
u8 Flag_Left, Flag_Right, Flag_Direction=0, Turn_Flag;
//Sends the parameter's flag bit to the Bluetooth APP
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>APP<50><50><EFBFBD>Ͳ<EFBFBD><CDB2><EFBFBD><EFBFBD>ı<EFBFBD>־λ
u8 PID_Send;
//The PS2 gamepad controls related variables
//PS2<53>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD><D8B1><EFBFBD>
float PS2_LX,PS2_LY,PS2_RX,PS2_RY,PS2_KEY;
//Self-check the relevant flag variables
//<2F>Լ<EFBFBD><D4BC><EFBFBD>ر<EFBFBD>־<EFBFBD><D6BE><EFBFBD><EFBFBD>
int Check=0, Checking=0, Checked=0, CheckCount=0, CheckPhrase1=0, CheckPhrase2=0;
//Check the result code
//<2F>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
long int ErrorCode=0;
void systemInit(void)
{
// //Interrupt priority group setti ng
// //<2F>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
//
// //Delay function initialization
// //<2F><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>
delay_init(168);
//Initialize the hardware interface connected to the LED lamp
//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>LED<45><44><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD>ӿ<EFBFBD>
LED_Init();
//Initialize the hardware interface connected to the buzzer
//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD>ӿ<EFBFBD>
Buzzer_Init();
//Initialize the hardware interface connected to the enable switch
//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ʹ<EFBFBD>ܿ<EFBFBD><DCBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD>ӿ<EFBFBD>
Enable_Pin();
//Initialize the hardware interface connected to the OLED display
//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>OLED<45><44>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD>ӿ<EFBFBD>
OLED_Init();
//Initialize the hardware interface connected to the user's key
//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD>ӿ<EFBFBD>
KEY_Init();
//Serial port 1 initialization, communication baud rate 115200,
//can be used to communicate with ROS terminal
//<2F><><EFBFBD><EFBFBD>1<EFBFBD><31>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ͨ<EFBFBD>Ų<EFBFBD><C5B2><EFBFBD><EFBFBD><EFBFBD>115200<30><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ROS<4F><53>ͨ<EFBFBD><CDA8>
uart1_init(115200);
//Serial port 2 initialization, communication baud rate 9600,
//used to communicate with Bluetooth APP terminal
//<2F><><EFBFBD><EFBFBD>2<EFBFBD><32>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ͨ<EFBFBD>Ų<EFBFBD><C5B2><EFBFBD><EFBFBD><EFBFBD>9600<30><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>APP<50><50>ͨ<EFBFBD><CDA8>
uart2_init(9600);
//Serial port 3 is initialized and the baud rate is 921600.
//Serial port 3 is the default port used to communicate with ROS terminal.
//NOTE: the ROS side must open this port at 921600 to match.
//<2F><><EFBFBD><EFBFBD>3<EFBFBD><33>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ͨ<EFBFBD>Ų<EFBFBD><C5B2><EFBFBD><EFBFBD><EFBFBD>921600<30><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3ΪĬ<CEAA><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ROS<4F><53>ͨ<EFBFBD>ŵĴ<C5B5><C4B4>ڡ<EFBFBD>
//ע<>⣺ROS <20>˴򿪴<CBB4><F2BFAAB4><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD> 921600<30><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0>벻ƥ<EBB2BB>䡣
uart3_init(921600);
//Serial port 5 initialization, communication baud rate 115200,
//can be used to communicate with ROS terminal
//<2F><><EFBFBD><EFBFBD>5<EFBFBD><35>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ͨ<EFBFBD>Ų<EFBFBD><C5B2><EFBFBD><EFBFBD><EFBFBD>115200<30><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ROS<4F><53>ͨ<EFBFBD><CDA8>
uart5_init(115200);
//ADC pin initialization, used to read the battery voltage and potentiometer gear,
//potentiometer gear determines the car after the boot of the car model
//ADC<44><43><EFBFBD>ų<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD>ȡ<EFBFBD><C8A1>ص<EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͺ<EFBFBD>
Adc_Init();
Adc_POWER_Init();
//Initialize the CAN communication interface
//CANͨ<4E>Žӿڳ<D3BF>ʼ<EFBFBD><CABC>
CAN1_Mode_Init(1,7,6,3,0);
//According to the tap position of the potentiometer, determine which type of car needs to be matched,
//and then initialize the corresponding parameters
//<2F><><EFBFBD>ݵ<EFBFBD>λ<EFBFBD><CEBB><EFBFBD>ĵ<EFBFBD>λ<EFBFBD>ж<EFBFBD><D0B6><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ͺŵ<CDBA>С<EFBFBD><D0A1><EFBFBD><EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD><EFBFBD>ж<EFBFBD>Ӧ<EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>
Robot_Select();
//Encoder A is initialized to read the real time speed of motor C
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>A<EFBFBD><41>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>C<EFBFBD><43>ʵʱ<CAB5>ٶ<EFBFBD>
Encoder_Init_TIM2();
//Encoder B is initialized to read the real time speed of motor D
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>B<EFBFBD><42>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>D<EFBFBD><44>ʵʱ<CAB5>ٶ<EFBFBD>
Encoder_Init_TIM3();
//Encoder C is initialized to read the real time speed of motor B
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>C<EFBFBD><43>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>B<EFBFBD><42>ʵʱ<CAB5>ٶ<EFBFBD>
Encoder_Init_TIM4();
//Encoder D is initialized to read the real time speed of motor A
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>D<EFBFBD><44>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>A<EFBFBD><41>ʵʱ<CAB5>ٶ<EFBFBD>
Encoder_Init_TIM5();
//<2F><>ʱ<EFBFBD><CAB1>12<31><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>PWM<57>ӿ<EFBFBD>
TIM12_SERVO_Init(9999,84-1); //APB1<42><31>ʱ<EFBFBD><CAB1>Ƶ<EFBFBD><C6B5>Ϊ84M , Ƶ<><C6B5>=84M/((9999+1)*(83+1))=100Hz
//<2F><>ͨС<CDA8><D0A1>Ĭ<EFBFBD>϶<EFBFBD>ʱ<EFBFBD><CAB1>8<EFBFBD><38><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD>ӿ<EFBFBD>
// TIM8_SERVO_Init(9999,168-1);//APB2<42><32>ʱ<EFBFBD><CAB1>Ƶ<EFBFBD><C6B5>Ϊ168M , Ƶ<><C6B5>=168M/((9999+1)*(167+1))=100Hz
//Initialize the model remote control interface
//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ģң<C4A3>ؽӿ<D8BD>
TIM8_Cap_Init(9999,168-1); //<2F>߼<EFBFBD><DFBC><EFBFBD>ʱ<EFBFBD><CAB1>TIM8<4D><38>ʱ<EFBFBD><CAB1>Ƶ<EFBFBD><C6B5>Ϊ168M
//Free-running 1 MHz microsecond time base for sensor sample timestamps.
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD> 1MHz ΢<>뼶<EFBFBD><EBBCB6><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>׼<EFBFBD><D7BC>
TIM7_Init();
//Initialize motor speed control and, for controlling motor speed, PWM frequency 10kHz
//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶȿ<D9B6><C8BF><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><DABF>Ƶ<EFBFBD><C6B5><EFBFBD>ٶȣ<D9B6>PWMƵ<4D><C6B5>10KHZ
//APB2ʱ<32><CAB1>Ƶ<EFBFBD><C6B5>Ϊ168M<38><4D><EFBFBD><EFBFBD>PWMΪ16799<39><39>Ƶ<EFBFBD><C6B5>=168M/((16799+1)*(0+1))=10k
TIM1_PWM_Init(16799,0);
TIM9_PWM_Init(16799,0);
TIM10_PWM_Init(16799,0);
TIM11_PWM_Init(16799,0);
//IIC initialization for MPU6050
//IIC<49><43>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>MPU6050
I2C_GPIOInit();
//MPU6050 is initialized to read the vehicle's three-axis attitude,
//three-axis angular velocity and three-axis acceleration information
//MPU6050 <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD>ȡС<C8A1><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶȡ<D9B6><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD><D9B6><EFBFBD>Ϣ
MPU6050_initialize();
//Initialize the hardware interface to the PS2 controller
//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>PS2<53>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD>ӵ<EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD>ӿ<EFBFBD>
PS2_Init();
//PS2 gamepad configuration is initialized and configured in analog mode
//PS2<53>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD>ó<EFBFBD>ʼ<EFBFBD><CABC>,<2C><><EFBFBD><EFBFBD>Ϊģ<CEAA><C4A3><EFBFBD><EFBFBD>ģʽ
PS2_SetInit();
}
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