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b9f7e63025
MRobot/device/oid.c
yxming66 b9f7e63025 add-oid编码器
2025-11-23 10:51:55 +08:00

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/*
oid编码器驱动
*/
/*编码器can通信的默认波特率为500kHZ*/
/* Includes ----------------------------------------------------------------- */
#include "device/oid.h"
#include "bsp/time.h"
#include "mm.h"
/* Private function prototypes ---------------------------------------------- */
static OID_CANManager_t* OID_GetCANManager(BSP_CAN_t can);
/* Private functions -------------------------------------------------------- */
static OID_CANManager_t *can_managers[BSP_CAN_NUM] = {NULL};
/**
* @brief 接收数据处理
* @param[in] none
* @retval none
*/
static void OID_ParseFeedbackFrame( OID_t *encoder , uint8_t *rx_data )
{
if(encoder->param.id == rx_data[1])//判断编码器id
{
switch(rx_data[2])//判断指令
{
case 0x01:
encoder->feedback.angle_fbk = rx_data[3]|rx_data[4]<<8|rx_data[5]<<16|rx_data[6]<<24;
encoder->feedback.angle_360 = encoder->feedback.angle_fbk*360.0f/OID_RESOLUTION;
encoder->feedback.angle_2PI = encoder->feedback.angle_fbk*M_2PI/OID_RESOLUTION;
break;
case 0x0A:
encoder->feedback.speed_fbk=rx_data[3]|rx_data[4]<<8|rx_data[5]<<16|rx_data[6]<<24;
encoder->feedback.speed_rpm=encoder->feedback.speed_fbk/OID_RESOLUTION/(0.1f/60.0f);
break;
default:
break;
}
}
}
int8_t OID_Update(OID_Param_t *param)
{
if (param == NULL) return DEVICE_ERR_NULL;
OID_CANManager_t *manager = OID_GetCANManager(param->can);
if (manager == NULL) return DEVICE_ERR_NULL;
OID_t *encoder = NULL;
for (int i = 0; i < manager->encoder_count; i++) {
if (manager->encoders[i] && manager->encoders[i]->param.id == param->id) {
encoder = manager->encoders[i];
break;
}
}
if (encoder == NULL) return DEVICE_ERR_NO_DEV;
// 从CAN队列获取数据
BSP_CAN_Message_t rx_msg;
if (BSP_CAN_GetMessage( param->can , param->id , &rx_msg, BSP_CAN_TIMEOUT_IMMEDIATE) != BSP_OK)
{
uint64_t now_time = BSP_TIME_Get();
if (now_time - encoder->header.last_online_time > 100000) // 100ms超时，单位微秒
{
encoder->header.online = false;
}
return DEVICE_ERR;
}
encoder->header.online = true;
encoder->header.last_online_time = BSP_TIME_Get();
// 处理接收到的数据
OID_ParseFeedbackFrame( encoder , rx_msg.data );
return DEVICE_OK; // 没有新数据
}
/**
* @brief 更新所有编码器数据
* @return 更新结果
*/
int8_t OID_UpdateAll(void) {
int8_t ret = DEVICE_OK;
for (int can = 0; can < BSP_CAN_NUM; can++) {
OID_CANManager_t *manager = OID_GetCANManager((BSP_CAN_t)can);
if (manager == NULL) continue;
for (int i = 0; i < manager->encoder_count; i++) {
OID_t *encoder = manager->encoders[i];
if (encoder != NULL) {
if (OID_Update(&encoder->param) != DEVICE_OK) {
ret = DEVICE_ERR;
}
}
}
}
return ret;
}
/**
* @brief 获取指定CAN总线的管理器
* @param can CAN总线
* @return CAN管理器指针
*/
static OID_CANManager_t* OID_GetCANManager(BSP_CAN_t can) {
if (can >= BSP_CAN_NUM) {
return NULL;
}
return can_managers[can];
}
/**
* @brief 创建CAN管理器
* @param can CAN总线
* @return 创建结果
*/
static int8_t OID_CreateCANManager(BSP_CAN_t can) {
if (can >= BSP_CAN_NUM) return DEVICE_ERR;
if (can_managers[can] != NULL) return DEVICE_OK;
can_managers[can] = (OID_CANManager_t*)BSP_Malloc(sizeof(OID_CANManager_t));
if (can_managers[can] == NULL) return DEVICE_ERR;
memset(can_managers[can], 0, sizeof(OID_CANManager_t));
can_managers[can]->can = can;
return DEVICE_OK;
}
/**
* @brief 注册一个欧艾迪编码器
* @param param 编码器参数
* @return 注册结果
*/
int8_t OID_Register(OID_Param_t *param)
{
if (param == NULL) {
return DEVICE_ERR_NULL;
}
/* 创建CAN管理器 */
if (OID_CreateCANManager(param->can) != DEVICE_OK) {
return DEVICE_ERR;
}
/* 获取CAN管理器 */
OID_CANManager_t *manager = OID_GetCANManager(param->can);
if (manager == NULL) {
return DEVICE_ERR;
}
/* 检查是否已注册 */
for (int i = 0; i < manager->encoder_count; i++) {
if (manager->encoders[i] && manager->encoders[i]->param.id == param->id) {
return DEVICE_ERR_INITED;
}
}
/* 检查是否已达到最大数量 */
if (manager->encoder_count >= OID_MAX_NUM) {
return DEVICE_ERR;
}
/* 分配内存 */
OID_t *encoder = (OID_t *)BSP_Malloc(sizeof(OID_t));
if (encoder == NULL) {
return DEVICE_ERR;
}
/* 初始化电机 */
memset(encoder, 0, sizeof(OID_t));
memcpy(&encoder->param, param, sizeof(OID_Param_t));
encoder->header.online = false;
// encoder->encoder.reverse = param->reverse;
/* 注册CAN接收ID - DM电机使用Master ID接收反馈 */
uint16_t feedback_id = param->id;
if (BSP_CAN_RegisterId(param->can, feedback_id, 3) != BSP_OK) {
BSP_Free(encoder);
return DEVICE_ERR;
}
/* 添加到管理器 */
manager->encoders[manager->encoder_count] = encoder;
manager->encoder_count++;
return DEVICE_OK;
}
/**
* @brief 使编码器离线（设置在线状态为false）
* @param param 编码器参数
* @return 操作结果
*/
int8_t OID_Offline(OID_Param_t *param) {
if (param == NULL) {
return DEVICE_ERR_NULL;
}
OID_t *encoder = OID_GetEncoder(param);
if (encoder == NULL) {
return DEVICE_ERR_NO_DEV;
}
encoder->header.online = false;
return DEVICE_OK;
}
/**
* @brief 获取指定编码器的实例指针
* @param param 编码器参数
* @return 编码器实例指针
*/
OID_t* OID_GetEncoder(OID_Param_t *param) {
if (param == NULL) {
return NULL;
}
OID_CANManager_t *manager = OID_GetCANManager(param->can);
if (manager == NULL) {
return NULL;
}
/* 查找对应的编码器 */
for (int i = 0; i < manager->encoder_count; i++) {
OID_t *encoder = manager->encoders[i];
if (encoder && encoder->param.can == param->can &&
encoder->param.id == param->id) {
return encoder;
}
}
return NULL;
}
/**
* @brief 读取编码器值
* @param[in] 编码器id
* @retval none
*/
int8_t OID_Read_Value(OID_Param_t *param)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x01;
frame.data[3] = 0x00;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 设置编码器id
* @param[in] 编码器当前id，编码器设置id
* @retval none
*/
int8_t OID_Set_ID(OID_Param_t *param,OID_Param_t *param_new)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x02;
frame.data[3] = param_new->id;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 设置can通讯波特率 0x00：500K（默认）；0x01:1M；0x02：250K；0x03:125K；0x04：100K；
* @param[in] 编码器id，编码器设置波特率
* @retval none
*/
int8_t OID_Set_Baudrate(OID_Param_t *param,OID_Baudrate_t encoder_vaud_rate)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x03;
frame.data[3] = encoder_vaud_rate;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 设置编码器模式 0x00：查询，0x02：自动返回编码器角速度值，0xAA：自动返回编码器值
* @param[in] 编码器id，编码器设置模式
* @retval none
*/
int8_t OID_Set_Mode(OID_Param_t *param,OID_Mode_t encoder_mode)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x04;
frame.data[3] = encoder_mode;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 设置编码器自动回传时间(掉电记忆，单位：微秒)，数值范围：50~65535（16 位无符号整数）
注意：设置太短的返回时间后，通过编码器上位机再设置其他参数很容易失败，谨慎使用！
* @param[in] 编码器id，编码器自动回传时间
* @retval none
*/
int8_t OID_Set_AutoFeedbackTime(OID_Param_t *param,uint8_t encoder_time)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x05;
frame.data[3] = encoder_time;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 设置当前位置值为零点
* @param[in] 编码器id
* @retval none
*/
int8_t OID_Set_ZeroPoint(OID_Param_t *param)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x06;
frame.data[3] = 0x00;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 设置编码器值递增方向 0x00：顺时针，0x01：逆时针
* @param[in] 编码器id
* @retval none
*/
int8_t OID_Set_Polarity(OID_Param_t *param,OID_Direction_t encoder_direction)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x07;
frame.data[3] = encoder_direction;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 读取编码器角度值
* @param[in] 编码器id
* @retval none
编码器旋转速度=编码器角速度值/单圈
精度/转速计算时间（单位：转/分钟）
例如：编码器角速度值回传为1000，单圈
精度为32768，转速采样时间为
100ms(0.1/60min)
编码器旋转速度=1000/32768/(0.1/60)
=1000*0.0183=18.31转/分钟
*/
int8_t OID_Read_AngularVelocity(OID_Param_t *param)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x0A;
frame.data[3] = 0x00;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 设置编码器角速度采样时间(掉电记忆，单位：毫秒)
* @param[in] 编码器id,采样时间
* @retval none
*/
int8_t OID_Set_AngularVelocitySamplingTime(OID_Param_t *param,uint8_t encoder_time)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x0B;
frame.data[3] = encoder_time;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 设置编码器中点 设定当前编码器值为 M(M 为单圈分辨率*圈数/2)
* @param[in] 编码器id
* @retval none
*/
int8_t OID_Set_Midpoint(OID_Param_t *param)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x0C;
frame.data[3] = 0x01;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 设置编码器当前位置值 数值范围：0~X（X 为单圈分辨率*圈数- 1）
* @param[in] 编码器id
* @retval none
*/
int8_t OID_Set_CurrentPosition(OID_Param_t *param,uint8_t encoder_direction)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x0D;
frame.data[3] = encoder_direction;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
/**
* @brief 编码器设置当前值为 5 圈值 即当前编码器值为 Z(Z 为单圈分辨率*5)
* @param[in] 编码器id
* @retval none
*/
int8_t OID_Set_CurrentValue5Turns(OID_Param_t *param)
{
BSP_CAN_StdDataFrame_t frame;
frame.id = param->id;
frame.dlc = 4;
frame.data[0] = 0x04;
frame.data[1] = param->id;
frame.data[2] = 0x0F;
frame.data[3] = 0x01;
return BSP_CAN_TransmitStdDataFrame(param->can, &frame) == BSP_OK ? DEVICE_OK : DEVICE_ERR;
}
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