title: SKT500下载协议
基本流程图.png
github上一个实现
STK500 implementations
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.FileNotFoundException;
public class STK500 {
private OutputStream outStream = null;
private InputStream inputStream = null;
private static void openStreams() {
try {
/* TODO: implement opening bluetooth */
} catch (Exception e) {
e.printStackTrace();
}
}
private static void closeStreams() {
try {
/* TODO: implement closing bluetooth */
outStream.close();
inputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
private static byte[] readProgram() {
FileInputStream fis = null;
File file = new File("/sdcard/sumorobot/main.hex");
// every line, except last one, has has 45 bytes (including \r\n)
int programLines = (int) Math.ceil(file.length() / 45.0);
// every line has 32 bytes of program data (excluding checksums, addresses, etc.)
int unusedBytes = 45 - 32;
// calculate program length according to program lines and unused bytes
int programLength = (int) file.length() - (programLines * unusedBytes);
// the actualy program data is half the size, as the hex file represents hex data in individual chars
programLength /= 2;
// create a byte array with the program length
byte[] program = new byte[programLength];
try {
// open the file stream
log.logcat("opening hex file", "d");
fis = new FileInputStream(file);
log.logcat("Total program size (in bytes) : " + programLength, "d");
log.logcat("Total file size to read (in bytes) : " + fis.available(), "d");
int content;
int lineIndex = 0;
int lineNumber = 1;
int programIndex = 0;
char[] line = new char[45];
// read the file byte by byte
while ((content = fis.read()) != -1) {
// append byte to the line
line[lineIndex++] = (char) content;
// when the line is complete
if (content == 10) {
// take only the actual program data form the line
for (int index = 9; index < lineIndex - 4; index += 2) {
// convert hexadecimals represented as chars into bytes
program[programIndex++] = Integer.decode("0x" + line[index] + line[index+1]).byteValue();
}
// start a new line
lineIndex = 0;
}
}
} catch (IOException e) {
log.logcat("reading hex failed: " + e.getMessage(), "d");
} finally {
try {
if (fis != null)
fis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return program;
}
public static void main (String[] args) {
byte[] program = readProgram();
System.out.println("program length: " + program.length);
System.out.println("opening streams");
openStreams();
System.out.println("syncing");
for (int i = 0; i < 5; i++) {
outStream.write(0x30);
outStream.write(0x20);
try {Thread.sleep(50);} catch (InterruptedException e) {e.printStackTrace();}
}
System.out.println("waiting for response");
int insync = inputStream.read();
int ok = inputStream.read();
if (insync == 0x14 && ok == 0x10) {
System.out.println("insync");
}
System.out.println("reading major version");
outStream.write(0x41);
outStream.write(0x81);
outStream.write(0x20);
try {Thread.sleep(50);} catch (InterruptedException e) {e.printStackTrace();}
System.out.println("waiting for response");
insync = inputStream.read();
int major = inputStream.read();
ok = inputStream.read();
if (insync == 0x14 && ok == 0x10) {
System.out.println("insync", "d");
}
System.out.println("reading minor version");
outStream.write(0x41);
outStream.write(0x82);
outStream.write(0x20);
try {Thread.sleep(50);} catch (InterruptedException e) {e.printStackTrace();}
System.out.println("waiting for response");
insync = inputStream.read();
int minor = inputStream.read();
ok = inputStream.read();
if (insync == 0x14 && ok == 0x10) {
System.out.println("insync");
}
System.out.println("version: " + major + "." + minor);
System.out.println("entering programming mode");
outStream.write(0x50);
outStream.write(0x20);
try {Thread.sleep(50);} catch (InterruptedException e) {e.printStackTrace();}
System.out.println("waiting for response");
insync = inputStream.read();
ok = inputStream.read();
if (insync == 0x14 && ok == 0x10) {
System.out.println("insync");
}
System.out.println("getting device signature");
outStream.write(0x75);
outStream.write(0x20);
try {Thread.sleep(50);} catch (InterruptedException e) {e.printStackTrace();}
System.out.println("waiting for response");
insync = inputStream.read();
byte [] signature = new byte[3];
inputStream.read(signature, 0, 3);
ok = inputStream.read();
if (insync == 0x14 && ok == 0x10) {
System.out.println("insync");
}
System.out.println("signature: " + signature[0] + "." + signature[1] + "." + signature[2]);
int size = 0;
int address = 0;
int programIndex = 0;
while (true) {
int laddress = address % 256;
int haddress = address / 256;
address += 64;
System.out.println("loading page address");
outStream.write(0x55);
outStream.write(laddress);
outStream.write(haddress);
outStream.write(0x20);
try {Thread.sleep(50);} catch (InterruptedException e) {e.printStackTrace();}
System.out.println("waiting for response");
insync = inputStream.read();
ok = inputStream.read();
if (insync == 0x14 && ok == 0x10) {
System.out.println("insync");
}
if (program.length - programIndex < 128) {
size = program.length - programIndex;
} else {
size = 128;
}
System.out.println("programming page size: " + size + " haddress: " + haddress + " laddress: " + laddress);
outStream.write(0x64);
outStream.write(0x00);
outStream.write(size);
outStream.write(0x46);
for (int i = 0; i < size; i++) {
outStream.write(program[programIndex++]);
}
outStream.write(0x20);
try {Thread.sleep(50);} catch (InterruptedException e) {e.printStackTrace();}
System.out.println("receiving sync ack");
insync = inputStream.read();
ok = inputStream.read();
if (insync == 0x14 && ok == 0x10) {
System.out.println("insync");
}
if (size != 0x80) {
break;
}
}
System.out.println("program index: " + programIndex);
System.out.println("leaving programming mode");
outStream.write(0x51);
outStream.write(0x20);
try {Thread.sleep(50);} catch (InterruptedException e) {e.printStackTrace();}
System.out.println("receiving sync ack");
insync = inputStream.read();
ok = inputStream.read();
if (insync == 0x14 && ok == 0x10) {
System.out.println("insync");
}
System.out.println("closing streams");
closeStreams();
}
}
自己实现的
class uploadthread extends Thread {
@Override
public synchronized void run() {
super.run();
Message message = new Message();
message.what = 1;
message.obj = "开始下载！";
downloadStatus = true; //开始下载 先置位
mHandler.sendMessage(message);
mRxBle.sendData(mRxBle.getMsg("AT+REAST~*&$@!", 0));
sleepsec(1000);
mRxBle.sendData(mRxBle.getMsg("30203020302030203020", 1));
responseOk = 4;
monitorHandler.postDelayed(runnable, TIME); //每隔1s执行
}
}
private void autoUpload() {
mRxBle.receiveData().subscribe(new Action1() {
@Override
public void call(String receiveData) {
byte[] tmp_byte = receiveData.getBytes();
if (0 == tmp_byte.length) {
return;
}
String tmp = "";
for (int i = 0; i < tmp_byte.length; i++) {
String hex = Integer.toHexString(tmp_byte[i] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
tmp += ' ';
tmp = tmp + hex;
}
System.out.println("接收到数据：" + tmp);
if (tmp.endsWith(Integer.toHexString(0x10 & 0xff))) {
if (sendHexFlag == 0) {
responseOk++;
}
System.out.println("responseOk:" + responseOk + ";");
downloadStatus = true; //正常下载 置位成功
switch (responseOk) {
case 5:
mRxBle.sendData(mRxBle.getMsg("418120418220", 1));//查询软件主次版本号码
break;
case 6: //查询设置参数
mRxBle.sendData(mRxBle.getMsg("428600000101010103ffffffff008004000000", 1));
try {
Thread.sleep(20);
} catch (InterruptedException e) {
e.printStackTrace();
}
mRxBle.sendData(mRxBle.getMsg("800020", 1));
break;
case 7:// 并行编程
mRxBle.sendData(mRxBle.getMsg("450504d7c20020", 1));
break;
case 8://进入设置模式。
mRxBle.sendData(mRxBle.getMsg("5020", 1)); //进入设置模式。
break;
case 9://获取设备签名。
mRxBle.sendData(mRxBle.getMsg("7520", 1)); //获取设备签名。
break;
case 10://发送Hex文件
sendHexFlag++;
if (sendHexFlag % 2 == 1) { //发送地址
int laddress = address % 256;
int haddress = address / 256;
address += 64;
System.out.println("发送地址。" + address);
String addressPackage = "";
addressPackage = "55" + to2String(laddress) + to2String(haddress) + "20";
mRxBle.sendData(mRxBle.getMsg(addressPackage, 1));
} else { //发送内容
if (program.length - programIndex < 128) {
size = program.length - programIndex;
} else {
size = 128;
}
System.out.println("programming page size: " + size);
if (size < 128) {
int tempindex = programIndex;
byte[] lastbytes = new byte[128];
for (int i = 0; i < size - 6; i++) {
lastbytes[i] = program[tempindex++];
}
for (int i = (size - 6); i < 128; i++) {
lastbytes[i] = (byte) 0xff;
}
String size2str = to2String(128);
String oneLine = "";
for (int i = 0; i < 128; i++) {
String hex = Integer.toHexString(lastbytes[i] & 0xff);
if (hex.length() == 1) {
hex = "0" + hex;
}
oneLine += hex;
}
oneLine = "6400" + size2str + "46" + oneLine + "20";
System.out.println("长度：" + oneLine.length());
for (int i = 0; i < ((int) (oneLine.length() / 38)); i++) {
String ss = oneLine.substring(i * 38, i * 38 + 38);
mRxBle.sendData(mRxBle.getMsg(ss, 1));
try {
Thread.sleep(20);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
} else {
String size2str = to2String(size);
String oneLine = "";
for (int i = 0; i < size; i++) {
String hex = Integer.toHexString(program[programIndex++] & 0xff);
if (hex.length() == 1) {
hex = "0" + hex;
}
oneLine += hex;
}
oneLine = "6400" + size2str + "46" + oneLine + "20";
for (int i = 0; i < ((int) (oneLine.length() / 38)); i++) {
String ss = oneLine.substring(i * 38, i * 38 + 38);
mRxBle.sendData(mRxBle.getMsg(ss, 1));
try {
Thread.sleep(20);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
if (size != 0x80) {
sendHexFlag = 0;
}
}
System.out.println("program.length:"+program.length + " programindex "+ programIndex);
int progress = 0; // 下载进度
progress = programIndex * 100 / program.length;
System.out.println("progress:" + progress);
Message message = new Message();
message.what = 2;
message.obj = progress;
mHandler.sendMessage(message);
break;
case 11:
System.out.println("program index: " + programIndex);
System.out.println("leaving programming mode");
mRxBle.sendData(mRxBle.getMsg("5120", 1));
message = new Message();
message.what = 3;
message.obj = "下载成功！";
progress = 0;
mHandler.sendMessage(message);
System.out.println("下载成功!");
monitorHandler.removeCallbacks(runnable);
// Toast.makeText(ScanActivity.this, "下载成功", Toast.LENGTH_SHORT).show();
break;
default:
break;
}
}
}
});
}