added write to memory from COOJA + fixed byte ordering

This commit is contained in:
joxe 2009-11-13 09:50:25 +00:00
parent 9b20f11cd8
commit add9d2a387

View file

@ -24,7 +24,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: AvrMoteMemory.java,v 1.1 2009/11/12 12:49:34 joxe Exp $
* $Id: AvrMoteMemory.java,v 1.2 2009/11/13 09:50:25 joxe Exp $
*/
package se.sics.cooja.avrmote;
@ -93,20 +93,40 @@ public class AvrMoteMemory implements MoteMemory, AddressMemory {
System.out.println("Data: " + interpreter.getDataByte(mem.lma_addr & 0xfffff));
System.out.println("Flash: " + interpreter.getFlashByte(mem.lma_addr & 0xfffff));
int data = 0;
if (mem.vma_addr > 0xfffff) {
if (mem.vma_addr > 0xfffff) {
for (int i = 0; i < len; i++) {
data = (data << 8) + (interpreter.getDataByte((mem.vma_addr & 0xfffff) + i) & 0xff);
data = (data << 8) + (interpreter.getDataByte((mem.vma_addr & 0xfffff) + len - i - 1) & 0xff);
System.out.println("Read byte: " + interpreter.getDataByte((mem.vma_addr & 0xfffff) + i) +
" => " + data);
}
} else {
for (int i = 0; i < len; i++) {
data = (data << 8) + interpreter.getFlashByte(mem.vma_addr + i) & 0xff;
data = (data << 8) + interpreter.getFlashByte(mem.vma_addr + len - i - 1) & 0xff;
}
}
return data;
}
private void setValue(String varName, int val, int len) throws UnknownVariableException {
Location mem = memoryMap.getLocation(varName);
if (mem == null) throw new UnknownVariableException("Variable does not exist: " + varName);
int data = val;
if (mem.vma_addr > 0xfffff) {
// write LSB first.
for (int i = 0; i < len; i++) {
interpreter.writeDataByte((mem.vma_addr & 0xfffff) + i, (byte) (data & 0xff));
System.out.println("Wrote byte: " + (data & 0xff));
data = data >> 8;
}
} else {
for (int i = 0; i < len; i++) {
interpreter.writeFlashByte(mem.vma_addr + i, (byte) (data & 0xff));
data = data >> 8;
}
}
}
public int getIntValueOf(String varName) throws UnknownVariableException {
return getValueOf(varName, 2);
}
@ -134,13 +154,15 @@ public class AvrMoteMemory implements MoteMemory, AddressMemory {
public void setByteValueOf(String varName, byte newVal)
throws UnknownVariableException {
setValue(varName, newVal, 1);
}
public void setIntValueOf(String varName, int newVal)
throws UnknownVariableException {
setValue(varName, newVal, 2);
}
public boolean variableExists(String varName) {
return false;
return memoryMap.getLocation(varName) != null;
}
}