private void button_startdownload_Click(object sender, EventArgs e)
{
//timer_download.Enabled = true
downflashdata = UserExplainFile.GetSectionData(gLoadingSection);
if (downflashdata == null)
{
MessageBox.Show("文件未打开");
return;
}
updateStep = 0;
gLoadingSection = 0;
}
public static UserFileData GetSectionData(int Num)
{
UserFileData temp = new UserFileData();
temp.CRC = 0;
temp.SectionDataNum = 0;
temp.StartAddress = 0xfffffff;
if (Num >= UserConfig.FLASH_DATA_BUF_LENGTH)
{
return(temp);
}
return(flash_Data[Num]);
}
public static void InitUserFile()
{
for (int i = 0; i < UserConfig.FLASH_DATA_BUF_LENGTH; i++)
{
flash_Data[i] = new UserFileData();
UserExplainFile.flash_Data[i].StartAddress = 0;
UserExplainFile.flash_Data[i].SectionDataNum = 0;
for (int k = 0; k < UserConfig.FLASH_DATA_BUF_SIZE; k++)
{
UserExplainFile.flash_Data[i].data[k] = (byte)0xff;
}
}
Flash_SectionNum = 0;
CurSecNum = 0xffffff;
gFileState = 0;
System.Console.Write("初始化加载设备\n");
}
public void run()
{ //在任务里进行下载
while (true)
{
switch (updateStep)
{
case 0: //发送F6 固件信息
firmdata[0] = 0xf6;
firmdata[1] = 0; //默认值
firmdata[2] = 0; //默认值
firmdata[3] = (byte)(totalsize); //totalsize
firmdata[4] = (byte)(totalsize >> 8); //totalsize
firmdata[5] = (byte)(totalsize >> 16); //totalsize
firmdata[6] = (byte)(UserExplainFile.Flash_SectionNum & 0x00ff); //totalframe
firmdata[7] = (byte)(UserExplainFile.Flash_SectionNum >> 8); //totalframe
firmdata[8] = (byte)gCrc32; //crc32
firmdata[9] = (byte)(gCrc32 >> 8); //crc32
firmdata[10] = (byte)(gCrc32 >> 16); //crc32
firmdata[11] = (byte)(gCrc32 >> 24); //crc32
firmdata[12] = 0x00; //默认值
firmdata[13] = 0x00; //默认值
firmdata[14] = 0x00; //默认值
firmdata[15] = 0x00; //默认值
firmdata[16] = 0x00; //默认值
WriteflashCommandAPI(0x11, firmdata);
updateStep = 4;
Cycletimer = 300;
break;
case 1:
downflashdata = UserExplainFile.GetSectionData(gLoadingSection);
// WriteflashDataAPI(0xf7, UserExplainFile.flash_Data[gLoadingSection].SectionDataNum+3, (int)gLoadingSection, downflashdata.data);
WriteflashDataAPI(0xf7, 0x80 + 3, (int)gLoadingSection, downflashdata.data);
updateStep = 4;
Cycletimer = 300;
break;
case 2:
break;
case 3:
ReadReceiveRS485Data(); //发完进行读取
txCmdData[0] = 0xf4;
txCmdData[1] = 0x00;
WriteflashCommandAPI(2, txCmdData);
if (cmdF4reply == 0x00)
{
cmdF4reply = 0xff;
updateStep = 2;
}
break;
case 4:
ReadReceiveRS485Data(); //发完进行读取
if (cmdF6reply == 0x00)
{
cmdF6reply = 0xff;
updateStep = 1;
}
if (cmdF7reply == 0x00)
{
gTimeOut = 0;
cmdF7reply = 0xff;
updateStep = 1;
gLoadingSection += 1;
if (gLoadingSection >= UserExplainFile.Flash_SectionNum)
{
updateStep = 2;
}
}
else if (gTimeOut++ > 60)
{
gTimeOut = 0; updateStep = 1;
}
Cycletimer = 50;
break;
case 5:
ReadReceiveRS485Data(); //发完进行读取
if (cmdF1reply == 0x00)
{
cmdF1reply = 0xff;
MessageBox.Show("enter boot success");
updateStep = 2;
}
break;
case 6:
ReadReceiveRS485Data(); //发完进行读取
if (cmdF5reply == 0x00)
{
cmdF5reply = 0xff;
updateStep = 2;
}
break;
case 7:
ReadReceiveRS485Data(); //发完进行读取
if (cmdF4reply == 0x00)
{
cmdF4reply = 0xff;
updateStep = 2;
}
break;
}
Thread.Sleep(Cycletimer);
}
}