void iPodSerial::sendCommand(
byte mode,
byte cmdByte1,
byte cmdByte2)
{
sendHeader();
sendLength(1 + 1 + 1);
sendByte(mode);
sendByte(cmdByte1);
sendByte(cmdByte2);
sendChecksum();
}
void iPodSerial::sendCommandWithOneNumberParam(
byte mode,
byte cmdByte1,
byte cmdByte2,
unsigned long numberParam)
{
sendHeader();
sendLength(1 + 1 + 1 + 4);
sendByte(mode);
sendByte(cmdByte1);
sendByte(cmdByte2);
sendNumber(numberParam);
sendChecksum();
}
void iPodSerial::sendCommandWithOneByteParam(
byte mode,
byte cmdByte1,
byte cmdByte2,
byte byteParam)
{
sendHeader();
sendLength(1 + 1 + 1 + 1);
sendByte(mode);
sendByte(cmdByte1);
sendByte(cmdByte2);
sendByte(byteParam);
sendChecksum();
}
void iPodSerial::sendCommandWithOneByteAndOneNumberParam(
byte mode,
byte cmdByte1,
byte cmdByte2,
byte byteParam1,
unsigned long numberParam2)
{
sendHeader();
sendLength(1 + 1 + 1 + 1 + (1 * 4));
sendByte(mode);
sendByte(cmdByte1);
sendByte(cmdByte2);
sendByte(byteParam1);
sendNumber(numberParam2);
sendChecksum();
}
void iPodSerial::sendCommandWithLength(
size_t length,
const byte *pData)
{
#if defined(IPOD_SERIAL_DEBUG)
if (pDebugPrint)
{
pDebugPrint->print("Sending command of length: ");
pDebugPrint->println(length, DEC);
}
#endif
sendHeader();
sendLength(length);
sendBytes(length, pData);
sendChecksum();
}
int readMemory(int fd, unsigned addr, void *ptr, int len)
{
unsigned char *data = ptr;
while (len > 0) {
int xfer = (len > 256) ? 256 : len;
fprintf(stderr,"read %04x at %08x -> %p\n", xfer, addr, data);
if (sendCommand(fd, 0x11))
return -1;
if (sendAddress(fd, addr))
return -1;
if (sendLength(fd, xfer))
return -1;
if (readData(fd, data, xfer))
return -1;
data += xfer;
len -= xfer;
addr += xfer;
}
return 0;
}
