package cc.makeblock.makeblock;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import cc.makeblock.modules.MeModule;
import android.bluetooth.BluetoothDevice;
import android.content.Context;
import android.content.res.Resources;
import android.util.Log;
public class UpgradeFirm {
static byte STK_OK = 0x10;
static byte STK_FAILED = 0x11; // Not used
static byte STK_UNKNOWN = 0x12; // Not used
static byte STK_NODEVICE = 0x13; // Not used
static byte STK_INSYNC = 0x14; // ' '
static byte STK_NOSYNC = 0x15; // Not used
static byte ADC_CHANNEL_ERROR = 0x16; // Not used
static byte ADC_MEASURE_OK = 0x17; // Not used
static byte PWM_CHANNEL_ERROR = 0x18; // Not used
static byte PWM_ADJUST_OK = 0x19; // Not used
static byte CRC_EOP = 0x20; // 'SPACE'
static byte STK_GET_SYNC = 0x30; // '0'
static byte STK_GET_SIGN_ON = 0x31; // '1'
static byte STK_SET_PARAMETER = 0x40; // '@'
static byte STK_GET_PARAMETER = 0x41; // 'A'
static byte STK_SET_DEVICE = 0x42; // 'B'
static byte STK_SET_DEVICE_EXT = 0x45; // 'E'
static byte STK_ENTER_PROGMODE = 0x50; // 'P'
static byte STK_LEAVE_PROGMODE = 0x51; // 'Q'
static byte STK_CHIP_ERASE = 0x52; // 'R'
static byte STK_CHECK_AUTOINC = 0x53; // 'S'
static byte STK_LOAD_ADDRESS = 0x55; // 'U'
static byte STK_UNIVERSAL = 0x56; // 'V'
static byte STK_PROG_FLASH = 0x60; // '`'
static byte STK_PROG_DATA = 0x61; // 'a'
static byte STK_PROG_FUSE = 0x62; // 'b'
static byte STK_PROG_LOCK = 0x63; // 'c'
static byte STK_PROG_PAGE = 0x64; // 'd'
static byte STK_PROG_FUSE_EXT = 0x65; // 'e'
static byte STK_READ_FLASH = 0x70; // 'p'
static byte STK_READ_DATA = 0x71; // 'q'
static byte STK_READ_FUSE = 0x72; // 'r'
static byte STK_READ_LOCK = 0x73; // 's'
static byte STK_READ_PAGE = 0x74; // 't'
static byte STK_READ_SIGN = 0x75; // 'u'
static byte STK_READ_OSCCAL = 0x76; // 'v'
static byte STK_READ_FUSE_EXT = 0x77; // 'w'
static byte STK_READ_OSCCAL_EXT = 0x78; // 'x'
static byte CAT_SETADDR = 0x41; // 'A'
static byte CAT_WRITE = 0x42; // 'B'
static byte CAT_QUIT = 0x45; // 'E'
static byte QUERY_HW_VER = (byte) 0x80;
static byte QUERY_SW_MAJOR = (byte) 0x81;
static byte QUERY_SW_MINOR = (byte) 0x82;
static byte DOWNLOAD_SENDADDR = (byte) 0xE0;
static byte DOWNLOAD_SENDCODE = (byte) 0xE1;
static int ST_NULLDEVICE = 0;
static int ST_PROBING = 1;
static int ST_FOUND = 2;
static int ST_DOWNLOADING = 3;
static int ST_READ = 4;
Context context;
byte[] hex;
byte prevCmd;
int state = ST_NULLDEVICE;
int ARDUINO_PAGE_SIZE=128;
int hexLen = 0;
int hexPtr = 0;
public UpgradeFirm(Context context){
this.context=context;
hex = new byte[64*1024]; // the hex file is about 57k, and rom should be less than 32k
state = ST_PROBING;
loadFirm();
}
public int getDowningProcess(){
return (int)((float)hexPtr*100/hexLen);
}
public byte[] getProbeCmd(){
byte[] cmd = new byte[2];
cmd[0] = STK_GET_SYNC;
cmd[1] = CRC_EOP;
//cmd[2] = STK_GET_PARAMETER;
//cmd[3] = QUERY_HW_VER;
//cmd[4] = CRC_EOP;
prevCmd = STK_GET_SYNC;
return cmd;
}
public int sendQuery()
{
return 0;
}
public int loadFirm()
{
// load hex file
Resources res = context.getResources();
InputStream in_s = res.openRawResource(R.raw.firmware);
BufferedReader reader = new BufferedReader(new InputStreamReader(in_s));
try {
String line = reader.readLine();
parseHexLine(line);
while (line != null) {
line = reader.readLine();
if(line==null)
break;
int ret = parseHexLine(line);
if(ret>0) hexLen = ret;
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return 0;
}
public int startDownload()
{
// start downloading
hexPtr = 0;
state = ST_DOWNLOADING;
prevCmd = STK_PROG_PAGE; // init ping-pong cmd of page upload
return 0;
}
public int parseCmd(int[] c){
if(prevCmd==STK_GET_SYNC && state==ST_PROBING){
if(c[0]==0x14 && c[1]==0x10){
// stop probing
state = ST_FOUND;
return 1;
}
}
return 0;
}
public byte[] getHexPage(){
byte[] ret;
if(prevCmd == STK_PROG_PAGE){
if(hexPtr>=hexLen){
ret = new byte[2];
ret[0] = STK_LEAVE_PROGMODE;
ret[1] = CRC_EOP;
prevCmd = STK_LEAVE_PROGMODE;
return ret;
}else{
ret = new byte[4];
int address = hexPtr/2;
byte addrl = (byte) (address & 0xff);
byte addrh = (byte) ((address>>8) & 0xff);
ret[0] = STK_LOAD_ADDRESS;
ret[1] = addrl;
ret[2] = addrh;
ret[3] = CRC_EOP;
prevCmd = STK_LOAD_ADDRESS;
return ret;
}
}else if(prevCmd==STK_LOAD_ADDRESS){
int len=((hexLen-hexPtr)>ARDUINO_PAGE_SIZE)?ARDUINO_PAGE_SIZE:hexLen-hexPtr;
ret = new byte[4+len+1];
byte lenl = (byte) (len & 0xff);
byte lenh = (byte) ((len>>8) & 0xff);
ret[0]=STK_PROG_PAGE;
ret[1]=lenh;
ret[2]=lenl;
for(int i=0;i<len;i++){
ret[4+i] = hex[hexPtr];
hexPtr++;
}
ret[3]='F';
ret[4+len] = ' '; // the last space of page
prevCmd = STK_PROG_PAGE;
return ret;
}
return null;
}
int parseHexLine(String str)
{
if(str.charAt(0)!=':') return -2;
int cnt = Integer.parseInt(str.substring(1, 3),16);
int addr = Integer.parseInt(str.substring(3, 7),16);
int type = Integer.parseInt(str.substring(7, 9),16);
if(type==1) return -1;
int bias = 0;
for(int i=9;i<(9+cnt*2);i+=2){
String tmp = str.substring(i, i+2);
int inte = Integer.parseInt(tmp,16);
hex[addr+bias] = (byte) inte;
bias+=1;
}
return addr+cnt;
}
}
