chassis/application/CAN_receive.c
2025-09-30 22:21:26 +08:00

213 lines
6.5 KiB
C

/**
****************************(C) COPYRIGHT 2019 DJI****************************
* @file can_receive.c/h
* @brief there is CAN interrupt function to receive motor data,
* and CAN send function to send motor current to control motor.
*
* @note
* @history
* Version Date Author Modification
* V1.0.0 Dec-26-2018 RM 1. done
* V1.1.0 Nov-11-2019 RM 1. support hal lib
*
@verbatim
==============================================================================
==============================================================================
@endverbatim
****************************(C) COPYRIGHT 2019 DJI****************************
*/
#include "CAN_receive.h"
#include "main.h"
extern CAN_HandleTypeDef hcan1;
extern CAN_HandleTypeDef hcan2;
//motor data read
#define get_motor_measure(ptr, data) \
{ \
(ptr)->last_ecd = (ptr)->ecd; \
(ptr)->ecd = (uint16_t)((data)[0] << 8 | (data)[1]); \
(ptr)->speed_rpm = (uint16_t)((data)[2] << 8 | (data)[3]); \
(ptr)->given_current = (uint16_t)((data)[4] << 8 | (data)[5]); \
(ptr)->temperate = (data)[6]; \
}
static motor_measure_t motor_chassis[7];
static CAN_TxHeaderTypeDef gimbal_tx_message;
static uint8_t gimbal_can_send_data[8];
static CAN_TxHeaderTypeDef chassis_tx_message;
uint8_t chassis_can_send_data[8];
/**
* @brief hal CAN fifo call back, receive motor data
* @param[in] hcan, the point to CAN handle
* @retval none
*/
// CAN_RxHeaderTypeDef rx_header;
//void HAL_CAN_RxFifo0MsgPendingCallback(CAN_HandleTypeDef *hcan)
//{
// uint8_t rx_data[8];
// HAL_CAN_GetRxMessage(hcan, CAN_RX_FIFO0, &rx_header, rx_data);
// switch (rx_header.StdId)
// {
// case CAN_3508_M1_ID:
// case CAN_3508_M2_ID:
// case CAN_3508_M3_ID:
// case CAN_3508_M4_ID:
// case CAN_YAW_MOTOR_ID:
// case CAN_PIT_MOTOR_ID:
// case CAN_TRIGGER_MOTOR_ID:
// {
// static uint8_t i = 0;
// //get motor id
// i = rx_header.StdId - CAN_3508_M1_ID;
// get_motor_measure(&motor_chassis[i], rx_data);
// break;
// }
//
// default:
// {
// break;
// }
// }
//
//}
/**
* @brief send control current of motor (0x205, 0x206, 0x207, 0x208)
* @param[in] yaw: (0x205) 6020 motor control current, range [-30000,30000]
* @param[in] pitch: (0x206) 6020 motor control current, range [-30000,30000]
* @param[in] shoot: (0x207) 2006 motor control current, range [-10000,10000]
* @param[in] rev: (0x208) reserve motor control current
* @retval none
*/
void CAN_cmd_gimbal(int16_t yaw, int16_t pitch, int16_t shoot, int16_t rev)
{
uint32_t send_mail_box;
gimbal_tx_message.StdId = CAN_GIMBAL_ALL_ID;
gimbal_tx_message.IDE = CAN_ID_STD;
gimbal_tx_message.RTR = CAN_RTR_DATA;
gimbal_tx_message.DLC = 0x08;
gimbal_can_send_data[0] = (yaw >> 8);
gimbal_can_send_data[1] = yaw;
gimbal_can_send_data[2] = (pitch >> 8);
gimbal_can_send_data[3] = pitch;
gimbal_can_send_data[4] = (shoot >> 8);
gimbal_can_send_data[5] = shoot;
gimbal_can_send_data[6] = (rev >> 8);
gimbal_can_send_data[7] = rev;
HAL_CAN_AddTxMessage(&hcan1, &gimbal_tx_message, gimbal_can_send_data, &send_mail_box);//GIMBAL_CAN
}
/**
* @brief send CAN packet of ID 0x700, it will set chassis motor 3508 to quick ID setting
* @param[in] none
* @retval none
*/
void CAN_cmd_chassis_reset_ID(void)
{
uint32_t send_mail_box;
chassis_tx_message.StdId = CAN_CHASSIS_ALL_ID;
chassis_tx_message.IDE = CAN_ID_STD;
chassis_tx_message.RTR = CAN_RTR_DATA;
chassis_tx_message.DLC = 0x08;
chassis_can_send_data[0] = 0;
chassis_can_send_data[1] = 0;
chassis_can_send_data[2] = 0;
chassis_can_send_data[3] = 0;
chassis_can_send_data[4] = 0;
chassis_can_send_data[5] = 0;
chassis_can_send_data[6] = 0;
chassis_can_send_data[7] = 0;
HAL_CAN_AddTxMessage(&CHASSIS_CAN, &chassis_tx_message, chassis_can_send_data, &send_mail_box);
}
/**
* @brief send control current of motor (0x201, 0x202, 0x203, 0x204)
* @param[in] motor1: (0x201) 3508 motor control current, range [-16384,16384]
* @param[in] motor2: (0x202) 3508 motor control current, range [-16384,16384]
* @param[in] motor3: (0x203) 3508 motor control current, range [-16384,16384]
* @param[in] motor4: (0x204) 3508 motor control current, range [-16384,16384]
* @retval none
*/
int l;
void CAN_cmd_chassis(int16_t motor1, int16_t motor2, int16_t motor3, int16_t motor4)
{
uint32_t send_mail_box;
chassis_tx_message.StdId = CAN_CHASSIS_ALL_ID;
chassis_tx_message.IDE = CAN_ID_STD;
chassis_tx_message.RTR = CAN_RTR_DATA;
chassis_tx_message.DLC = 0x08;
chassis_can_send_data[0] = motor1 >> 8;
chassis_can_send_data[1] = motor1;
chassis_can_send_data[2] = motor2 >> 8;
chassis_can_send_data[3] = motor2;
chassis_can_send_data[4] = motor3 >> 8;
chassis_can_send_data[5] = motor3;
chassis_can_send_data[6] = motor4 >> 8;
chassis_can_send_data[7] = motor4;
if(HAL_CAN_AddTxMessage(&CHASSIS_CAN, &chassis_tx_message, chassis_can_send_data, &send_mail_box)==HAL_OK)
{l=1;}
}
/**
* @brief return the yaw 6020 motor data point
* @param[in] none
* @retval motor data point
*/
const motor_measure_t *get_yaw_gimbal_motor_measure_point(void)
{
return &motor_chassis[4];
}
/**
* @brief return the pitch 6020 motor data point
* @param[in] none
* @retval motor data point
*/
const motor_measure_t *get_pitch_gimbal_motor_measure_point(void)
{
return &motor_chassis[5];
}
/**
* @brief return the trigger 2006 motor data point
* @param[in] none
* @retval motor data point
*/
const motor_measure_t *get_trigger_motor_measure_point(void)
{
return &motor_chassis[6];
}
/**
* @brief return the chassis 3508 motor data point
* @param[in] i: motor number,range [0,3]
* @retval motor data point
*/
const motor_measure_t *get_chassis_motor_measure_point(uint8_t i)
{
return &motor_chassis[(i & 0x03)];
}