- unitree官方只提供linux上的SDK。。。。您這邊需要使用其他平台控制,,,請自行根據編寫。。
這邊有串口協議的c語言封裝。。。。
頭文件:
ifndef UNITREEMOTORGOM_H
define UNITREEMOTORGOM_H
ifdef __cplusplus
extern "C" {
endif
include
include
include
pragma pack(push, 1)
struct MotorCmdGom {
uint16_t head;
uint8_t mod;
int16_t t;
int16_t w;
int32_t pos;
uint16_t kp;
uint16_t kd;
uint16_t crc16;
};
struct MotorDataGom {
uint16_t head;
uint8_t mod;
int16_t t;
int16_t w;
int32_t pos;
uint8_t temp;
uint16_t reserve;
uint16_t crc16;
};
pragma pack(pop)
uint16_t crc_ccitt(uint16_t crc, uint8_t const buffer, size_t len);
bool generate_crc16_cmd(struct MotorCmdGom cmd);
bool verify_crc16_data(struct MotorDataGom data);
bool initMotoCmdGom(struct MotorCmdGom cmd, const unsigned short ID,
const unsigned short MODE, const float T, const float W,
const float POS, const float K_P, const float K_W);
bool depackMotoDataGom(const struct MotorDataGom , unsigned short ID,
unsigned short MODE, float T, float W, float POS,
int TEMP, int ERROR, int FOOFORCE);
ifdef __cplusplus
}
endif
endif
源文件:
include "unitreeMotorGom.h"
define PI 3.14159265358979323846f
define CRC16_CCITT_POLY 0x1021
define CRC16_CCITT_INIT 0x0000
static uint16_t crc16_ccitt_table[256] = {
0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, 0x8c48,
0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7, 0x1081, 0x0108,
0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e, 0x9cc9, 0x8d40, 0xbfdb,
0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876, 0x2102, 0x308b, 0x0210, 0x1399,
0x6726, 0x76af, 0x4434, 0x55bd, 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e,
0xfae7, 0xc87c, 0xd9f5, 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e,
0x54b5, 0x453c, 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd,
0xc974, 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3, 0x5285,
0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a, 0xdecd, 0xcf44,
0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72, 0x6306, 0x728f, 0x4014,
0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9, 0xef4e, 0xfec7, 0xcc5c, 0xddd5,
0xa96a, 0xb8e3, 0x8a78, 0x9bf1, 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3,
0x242a, 0x16b1, 0x0738, 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862,
0x9af9, 0x8b70, 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e,
0xf0b7, 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036, 0x18c1,
0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e, 0xa50a, 0xb483,
0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5, 0x2942, 0x38cb, 0x0a50,
0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd, 0xb58b, 0xa402, 0x9699, 0x8710,
0xf3af, 0xe226, 0xd0bd, 0xc134, 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7,
0x6e6e, 0x5cf5, 0x4d7c, 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1,
0xa33a, 0xb2b3, 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72,
0x3efb, 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a, 0xe70e,
0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1, 0x6b46, 0x7acf,
0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9, 0xf78f, 0xe606, 0xd49d,
0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, 0x7bc7, 0x6a4e, 0x58d5, 0x495c,
0x3de3, 0x2c6a, 0x1ef1, 0x0f78};
static uint16_t crc_ccitt_byte(uint16_t crc, const uint8_t c) {
return (crc >> 8) ^ crc16_ccitt_table[(crc ^ c) & 0xff];
}
uint16_t crc_ccitt(uint16_t crc, uint8_t const buffer, size_t len) {
while (len--)
crc = crc_ccitt_byte(crc, buffer++);
return crc;
}
bool generate_crc16_cmd(struct MotorCmdGom cmd) {
// 生成MotorCmdGom結構體的CRC16校驗碼
uint16_t crc = CRC16_CCITT_INIT;
crc = crc_ccitt(crc, (uint8_t )cmd,
sizeof(struct MotorCmdGom) - sizeof(uint16_t));
cmd->crc16 = crc;
return true; // 返回生成是否成功
}
bool verify_crc16_data(struct MotorDataGom data) {
// 驗證MotorDataGom結構體的CRC16校驗碼
uint16_t crc = CRC16_CCITT_INIT;
crc = crc_ccitt(crc, (uint8_t )data,
sizeof(struct MotorDataGom) - sizeof(uint16_t));
return (crc == data->crc16); // 返回驗證結果
}
bool initMotoCmdGom(struct MotorCmdGom cmd, const unsigned short ID,
const unsigned short MODE, const float T, const float W,
const float POS, const float K_P, const float K_W) {
// 初始化MotorCmdGom結構體
// 具體實現根據協議進行數據轉換和賦值
if (MODE > 2 || MODE < 0)
return false;
if (ID > 15 || ID < 0)
return false;
if (T < -127 || T > 127)
return false;
if (W < -804 || W > 804)
return false;
if (POS < -411774 || POS > 411774)
return false;
if (K_P < 0 || K_P > 25.5)
return false;
if (K_W < 0 || K_W > 25.5)
return false;
cmd->head = 0xEEFE;
cmd->mod = ((MODE & 0x0F) << 4) | (ID & 0x0F);
float t_val = (T) * 256;
cmd->t = (int16_t)(t_val);
float w_val = (W) / (2 * PI) * 256;
cmd->w = (int16_t)(w_val);
float pos_val = (POS) / (2 * PI) * 32768;
cmd->pos = (int32_t)(pos_val);
float kp_val = (K_P) * 1280;
cmd->kp = (uint16_t)(kp_val);
float kw_val = (K_W) * 1280;
cmd->kd = (uint16_t)(kw_val);
return generate_crc16_cmd(cmd); // 返回初始化是否成功
}
bool depackMotoDataGom(const struct MotorDataGom data, unsigned short ID,
unsigned short MODE, float T, float W, float POS,
int TEMP, int ERROR, int FOOFORCE) {
// 解包MotorDataGom結構體
// 具體實現根據協議進行數據轉換和賦值
if (!verify_crc16_data((struct MotorDataGom )data)) {
return false; // CRC校驗失敗,,,,返回解包失敗
}
if (data->head != 0xEEFD) {
return false; // 數據頭錯誤,,,返回解包失敗
}
MODE = (data->mod >> 4) & 0x0F;
ID = (data->mod) & 0x07;
T = ((data->t)) / 256.0f;
W = (((data->w)) / 256.0f) * 2 * PI;
POS = (((data->pos)) / 32768.0f) * 2 * PI;
TEMP = (int)(data->temp);
ERROR = (int)(data->reserve >> 13) & 0x07;
*FOOFORCE = (int)(data->reserve >> 1) & 0xFFF;
return true; // 返回解包是否成功
}