Files
Gimbal/modules/motor/servo_motor/servo_motor.c
T
2026-05-29 17:36:34 +08:00

79 lines
2.9 KiB
C

#include "servo_motor.h"
#include "stdlib.h"
#include "memory.h"
#include "bsp_log.h"
uint8_t servo_angle_read[6]={0x55 ,0x55 ,0x04, 0x15 ,0x01 ,0x01 ,};
uint8_t servo_angle_write[16]={0x55 ,0x55, 0x08, 0x03, 0x01 ,0xF4 ,0x01 ,0x01 ,0x20 ,0x03,0x55 ,0x55 ,0x04, 0x15 ,0x01 ,0x01 ,};
uint8_t servo_unload[6]={0x55,0x55,0x04,0x14,0x01,0x01};
/*第二版*/
static ServoInstance *servo_motor_instance[SERVO_MOTOR_CNT];
static uint8_t servo_idx = 0; // register servo_idx,是该文件的全局舵机索引,在注册时使用
static void DecodeServo();
// 通过此函数注册一个舵机
ServoInstance *ServoInit(Servo_Init_Config_s *Servo_Init_Config)
{
ServoInstance *servo = (ServoInstance *)malloc(sizeof(ServoInstance));
memset(servo, 0, sizeof(ServoInstance));
USART_Init_Config_s config;
servo->servo_type = Servo_Init_Config->servo_type;
switch (Servo_Init_Config->servo_type)
{
case Bus_Servo:
config.module_callback = DecodeServo;
config.recv_buff_size = Servo_MAX_BUFF;
config.usart_handle = Servo_Init_Config->_handle;
servo->usart_instance = USARTRegister(&config);
break;
case PWM_Servo:
servo->pwm_instance = PWMRegister(&Servo_Init_Config->pwm_init_config);
break;
default:
LOGERROR("Servo type error");
break;
}
servo->servo_id = Servo_Init_Config->servo_id;
servo_idx++;
servo_motor_instance[servo->servo_id] = servo;
return servo;
}
//@todo PWM舵机的角度设置需要根据相应定时器PWM等参数进行计算(是否需要规范定时器PWM的初始化参数,以便于计算)
void ServoSetAngle(ServoInstance *servo, float angle)
{
switch (servo->servo_type)
{
case Bus_Servo:
servo_angle_write[8] = (uint16_t)angle&0xff;
servo_angle_write[9] = (uint16_t)angle>>8;
USARTSend(servo->usart_instance, servo_angle_write, 16, USART_TRANSFER_DMA);
// USARTSend(servo->usart_instance, servo_angle_read, 6, USART_TRANSFER_DMA);
break;
case PWM_Servo:
servo->angle = angle;
PWMSetDutyRatio(servo->pwm_instance, angle);
break;
default:
break;
}
}
//@todo 只读取了角度 还有电压,动作是否完成等 且只支持一个串口
static void DecodeServo()
{
for (uint8_t i = 0; i < servo_idx; i++)
{
if (servo_motor_instance[i]->servo_type == Bus_Servo)
{
if (servo_motor_instance[i]->usart_instance->recv_buff[0] == Servo_Frame_First && servo_motor_instance[i]->usart_instance->recv_buff[1] == Servo_Frame_Second)
{
if (servo_motor_instance[i]->usart_instance->recv_buff[3] == 21)
{
servo_motor_instance[i]->recv_angle = (servo_motor_instance[i]->usart_instance->recv_buff[7] << 8 | servo_motor_instance[i]->usart_instance->recv_buff[6]);
}
}
}
}
}