can_bootloader/lib/usb2canfd.aardio

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/*
*使用说明:
*1.创建CAN设备对象 CANHw = usb2canfd.USB2CANHW();
*2.加载DLL CANHw.LoadDll();
*3.扫描设备 hwnum = CANHw.FlashHw();
*4.获取可用设备 allhw = CANHw.GetAvailableHW();
*5.打开设备(初始化) CANHw.OpenDevice(设备序号,通道)
*6.通过SendMsg和GetMsg发送和获取报文
*/
namespace usb2canfd{
//参考 http://www.toomoss.com/help/index.htm
//初始化CAN的数据类型定义
class CANFD_INIT_CONFIG{
ctor( /*输入构造函数所需要的参数*/ ){
};
type=me;
/*对象的所有成员必须用分号分隔*/
BYTE Mode; //0-正常模式1-自发自收模式
BYTE ISOCRCEnable;//0-禁止ISO CRC,1-使能ISO CRC
BYTE RetrySend;//0-禁止重发1-无限制重发
BYTE ResEnable;//0-不接入内部120欧终端电阻1-接入内部120欧终端电阻
//波特率参数可以用TCANLINPro软件里面的波特率计算工具计算
//仲裁段波特率参数,波特率=40M/NBT_BRP*(1+NBT_SEG1+NBT_SEG2)
BYTE NBT_BRP;
BYTE NBT_SEG1;
BYTE NBT_SEG2;
BYTE NBT_SJW;
//数据段波特率参数,波特率=40M/DBT_BRP*(1+DBT_SEG1+DBT_SEG2)
BYTE DBT_BRP;
BYTE DBT_SEG1;
BYTE DBT_SEG2;
BYTE DBT_SJW;
BYTE __Res0[8];
}
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//初始化CAN的数据类型定义
class CAN_INIT_CONFIG{
ctor( /*输入构造函数所需要的参数*/ ){
};
type=me;
/*对象的所有成员必须用分号分隔*/
//CAN波特率 = 100MHz/(CAN_BRP)/(CAN_SJW+CAN_BS1+CAN_BS2)
INT CAN_BRP; //取值范围1~1024
BYTE CAN_SJW; //取值范围1~4
BYTE CAN_BS1; //取值范围1~16
BYTE CAN_BS2; //取值范围1~8
BYTE CAN_Mode; //CAN工作模式0-正常模式1-环回模式2-静默模式3-静默环回模式bit7为1则接入适配器内部终端电阻否则不接入
BYTE CAN_ABOM; //自动离线管理0-禁止1-使能
BYTE CAN_NART; //报文重发管理0-使能报文重传1-禁止报文重传
BYTE CAN_RFLM; //FIFO锁定管理0-新报文覆盖旧报文1-丢弃新报文
BYTE CAN_TXFP; //发送优先级管理0-标识符决定1-发送请求顺序决定
}
//CANfd信息帧的数据类型定义
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class CANFD_MSG{
ctor( /*输入构造函数所需要的参数*/ ){
};
type=me;
/*对象的所有成员必须用分号分隔*/
INT ID; //报文ID。 //| (1<<31);//扩展帧
BYTE DLC; //数据字节长度,可设置为-0,1,2,3,4,5,6,7,8,12,16,20,24,32,48,64
BYTE Flags; //bit[0]-BRS,bit[1]-ESI,bit[2]-FDF,bit[6..5]-Channel,bit[7]-RXD
BYTE __Res0; //保留
BYTE __Res1; //保留
INT TimeStamp; //帧接收或者发送时的时间戳单位为10us
BYTE Data[64]; //报文的数据。
}
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//CAN信息帧的数据类型定义
class CAN_MSG{
ctor( /*输入构造函数所需要的参数*/ ){
};
type=me;
/*对象的所有成员必须用分号分隔*/
INT ID; //报文ID。
INT TimeStamp; //接收到信息帧时的时间标识从CAN 控制器初始化开始计时。
BYTE RemoteFlag; //是否是远程帧
BYTE ExternFlag; //是否是扩展帧
BYTE DataLen; //数据长度(<=8)即Data 的长度。
BYTE Data[8]; //报文的数据。
BYTE __Res;
}
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class CAN_UDS_ADDR{
ctor( /*输入构造函数所需要的参数*/ ){
};
type=me;
/*对象的所有成员必须用分号分隔*/
INT ReqID; //请求报文ID。
INT ResID; //应答报文ID。
BYTE Flag; //bit[0]-帧类型(0-标准帧1-扩展帧),
//bit[1]-FDF(0-普通CAN帧1-CANFD帧),
//bit[2]-BRS(0-CANFD帧不加速1-CANFD帧加速)
BYTE AddrFormats; //0-normal, 1-extended ,2-mixed
BYTE AddrExt; //当AddrFormats不为normal时该数据放到CAN数据域第1字节
BYTE MaxDLC; //每帧最大数据字节数一般设置为8
}
class DEVICE_INFO{
ctor( /*输入构造函数所需要的参数*/ ){
};
type=me;
/*对象的所有成员必须用分号分隔*/
BYTE FirmwareName[32]; //固件名称字符串
BYTE BuildDate[32]; //固件编译时间字符串
INT HardwareVersion; //硬件版本号
INT FirmwareVersion; //固件版本号
INT SerialNumber[3]; //适配器序列号
INT Functions; //适配器当前具备的功能
}
//调用函数
class USB2CANHW{
ctor( /*输入构造函数所需要的参数*/ ){
};
type=me;
/*对象的所有成员必须用分号分隔*/
//初始化全局变量
DllHandle = null;
//加载DLL
LoadDll = function(){
try{
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DllHandle = ..raw.loadDll("USB2XXX.dll")
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}
catch(err)
{
import win;
DllHandle = null;
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win.msgboxTimeout("加载USB2LIN的DLL失败请检查USB2XXX.dll和libusb-1.0.dll文件","错误",3000,);
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}
if(DllHandle == null)return 1;
return 0;
}
//刷新硬件
FlashHw = function(){
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if(DllHandle = null){
//DLL为空返回
AvailableHW = {}
return 0;
}
var arr_temp = {int value[] = { length = 10/*可以使用变量*/ } }//类似动态数组
HwNum = DllHandle.USB_ScanDevice(arr_temp)
AvailableHW = {}
for(i=1;HwNum;1){
var devtemp = {};
devtemp.devnum = i;
devtemp.channel = 1;
devtemp.hLINHW = arr_temp.value[i];
devtemp.name = "dev-" + i + ":" + tostring(arr_temp.value[i],16);
..table.push(AvailableHW,devtemp);
}
return HwNum; //返回有效硬件数
}
//获取设备信息
GetDevInfo = function(index){
if(index > HwNum)
{ //如果序号大于最大硬件数
return 0;
}
DllHandle.USB_OpenDevice(AvailableHW[index].hLINHW);
var DeviceInfo = ..usb2canfd.DEVICE_INFO();
var funcstr = ..raw.buffer(100);
var ret = DllHandle.DEV_GetDeviceInfo(AvailableHW[index].hLINHW,DeviceInfo,funcstr);
return ret,DeviceInfo,funcstr;
}
//获取有效硬件
GetAvailableHW = function(){
return AvailableHW;
}
//打开设备,包括初始化通道
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OpenDevice = function(index,channel,canfd){
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if(index > HwNum)
{ //如果序号大于最大硬件数
return 0;
}
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import console;
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var ret = DllHandle.USB_OpenDevice(AvailableHW[index].hLINHW)
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//canfd = true;
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if(canfd == true){
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var canconfig = ..usb2canfd.CANFD_INIT_CONFIG();
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canconfig.Mode = 0; //0-正常模式1-自发自收模式
canconfig.ISOCRCEnable = 0;//0-禁止ISO CRC,1-使能ISO CRC
canconfig.RetrySend = 0;//0-禁止重发1-无限制重发
canconfig.ResEnable = 1;//0-不接入内部120欧终端电阻1-接入内部120欧终端电阻
//波特率参数可以用TCANLINPro软件里面的波特率计算工具计算
//仲裁段波特率参数,波特率=40M/NBT_BRP*(1+NBT_SEG1+NBT_SEG2)
canconfig.NBT_BRP = 1; //参数来自官方上位机默认500K
canconfig.NBT_SEG1 = 59;
canconfig.NBT_SEG2 = 20;
canconfig.NBT_SJW = 2;
//数据段波特率参数,波特率=40M/DBT_BRP*(1+DBT_SEG1+DBT_SEG2)
canconfig.DBT_BRP = 2; //参数来自官方上位机默认500K
canconfig.DBT_SEG1 = 29;
canconfig.DBT_SEG2 = 10;
canconfig.DBT_SJW = 2;
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ret = DllHandle.CANFD_Init(AvailableHW[index].hLINHW,channel,canconfig);
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}
else {
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var canconfig = ..usb2canfd.CAN_INIT_CONFIG();
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canconfig.CAN_Mode = 0;//0-正常模式 1-环回模式
canconfig.CAN_ABOM = 0;//禁止自动离线
canconfig.CAN_NART = 1;//禁止报文重传
canconfig.CAN_RFLM = 0;//FIFO满之后覆盖旧报文
canconfig.CAN_TXFP = 1;//发送请求决定发送顺序
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//配置波特率,波特率 = 42M/(BRP*(SJW+BS1+BS2))
canconfig.CAN_BRP = 4;
canconfig.CAN_BS1 = 15;
canconfig.CAN_BS2 = 5;
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canconfig.CAN_SJW = 1;
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ret = DllHandle.CAN_Init(AvailableHW[index].hLINHW,channel,canconfig);
console.log("init ret = " + ret);
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}
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canfd_connected = canfd;
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if(ret == 0){//调用成功
Hwconnected = AvailableHW[index].hLINHW;
Chconntected = channel;
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}
else {
Hwconnected = null
Chconntected = null;
}
return ret;
}
//关闭设备
CloseDevice = function(){
if(Hwconnected == null){
return;
}
try{
DllHandle.USB_CloseDevice(Hwconnected);
Hwconnected = null;
}
}
//是否连接
isConnected = function(){
if(Hwconnected == null){
return false;
}
else {
return true;
}
}
//发送报文
SendMsg = function(id,data){
if(Hwconnected == null){//未连接
return 0;
}
if(#data == 0 || #data>8){//长度不对
return 0;
}
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//console.log("发送报文")
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var ret = 0;
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if(canfd_connected == true){
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var msg = ..usb2canfd.CANFD_MSG();
msg.Flags = 0;
if(id <= 0x7ff){
msg.ID = id; //| (1<<31);//扩展帧
}
else {
msg.ID = id | (1<<31);//扩展帧
}
msg.DLC = #data;
msg.Data = data;
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console.dumpJson(msg);
console.log("Hwconnected = " + Hwconnected);
console.log("Chconntected = " + Chconntected);
ret = DllHandle.CANFD_SendMsg(Hwconnected,Chconntected,msg,1);
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}
else {
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var msg = ..usb2canfd.CAN_MSG();
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//msg.Flags = 0;
if(id <= 0x7ff){
msg.ID = id; //| (1<<31);//扩展帧
}
else {
msg.ID = id | (1<<31);//扩展帧
}
msg.ExternFlag = 0;
msg.RemoteFlag = 0;
msg.DataLen = #data;
msg.Data = data;
console.log("发送报文")
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ret = DllHandle.CAN_SendMsg(Hwconnected,Chconntected,msg,1);
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console.log("ret = " + ret);
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}
return ret;
}
//从设备缓冲区获取报文
GetMsg = function(){
var ret = 0;
var retdata = {};
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if(canfd_connected == true){
//CANFD
do{
var msgbuf = ..usb2canfd.CANFD_MSG();
ret = DllHandle.CANFD_GetMsg(Hwconnected,CANIndex,msgbuf,1);
if(ret == 1){
var data = {};
for(i=1;msgbuf.DLC;1){
data[i] = msgbuf.Data[i];
}
var msg = {"id"=msgbuf.ID;"data"=data;};//
..table.push(retdata,msg);
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}
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}while(ret > 0)
}
else {
//CAN
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do{
var msgbuf = ..usb2canfd.CAN_MSG();
ret = DllHandle.CAN_GetMsgWithSize(Hwconnected,CANIndex,msgbuf,1);
if(ret == 1){
var data = {};
for(i=1;msgbuf.DataLen;1){
data[i] = msgbuf.Data[i];
}
var msg = {"id"=msgbuf.ID;"data"=data;};//
..table.push(retdata,msg);
}
}while(ret > 0)
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}
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return retdata;
}
GetDiag = function(data){
if(#data<2){
return 0,1;
}
var UDSAddr = ..usb2canfd.CAN_UDS_ADDR()
UDSAddr.Flag = 1;//使用扩展帧
UDSAddr.AddrFormats = 0;
UDSAddr.ReqID = 0x18dadff1;
UDSAddr.ResID = 0x18daf1df;
UDSAddr.MaxDLC = 8;
var req_data = ..raw.buffer(#data);
for(i=1;#data;1){
req_data[i] = data[i];
}
ret = DllHandle.CAN_UDS_Request(Hwconnected,CANIndex,UDSAddr,req_data,#data);
var res_data = ..raw.buffer(4096);
//sleep(10);
var ret = DllHandle.CAN_UDS_Response(Hwconnected,CANIndex,UDSAddr,res_data,1000);
return ret,2,res_data;
}
}
}
/**intellisense()
usb2canfd = 图莫斯CANFD驱动
usb2canfd.USB2CANHW = USB2CAN库
usb2canfd.USB2CANHW() = 创建设备对象\n!usb2canfdUSB2CANHW.
!usb2canfdUSB2CANHW.LoadDll() = 加载DLL
!usb2canfdUSB2CANHW.FlashHw() = 刷新硬件
!usb2canfdUSB2CANHW.GetDevInfo() = 获取设备信息
!usb2canfdUSB2CANHW.GetAvailableHW() = 获取有效设备需要先FlashHw()刷新
!usb2canfdUSB2CANHW.OpenDevice() = 打开设备
!usb2canfdUSB2CANHW.CloseDevice() = 关闭设备
!usb2canfdUSB2CANHW.isConnected() = 是否已连接
!usb2canfdUSB2CANHW.SendMsg() = 发送报文
!usb2canfdUSB2CANHW.GetMsg() = 接收报文
end intellisense**/