/*!
* Reads data from the FRAM.
* @param data Address where read data will be stored, this location must be able to accommodate size bytes.
* @param address Location in the FRAM from which the data should be read.
* @param size Number of bytes to read.
* @return -2 if the specified address and size are out of range of the FRAM space.
* -1 if obtaining lock for FRAM access fails,
* 0 on success.
*/
public int FRAM_read(byte[] data, uint address, uint size)
{
if (fram == null)
{
return(OBCConstants.ACCESS_ERROR);
}
return(fram.Read(data, (int)address, (int)size));
}
public void ReadFailedOutOfRangeTest()
{
FRAM ram = new FRAM(10);
ram.Memory[0] = 0x12;
ram.Memory[1] = 0x34;
ram.Memory[2] = 0x56;
ram.Memory[3] = 0x78;
ram.Memory[4] = 0x21;
ram.Memory[5] = 0x43;
ram.Memory[6] = 0x65;
int size = 3;
byte[] data = new byte[size];
Assert.AreEqual(-2, ram.Read(data, 10, size));
}
public void ReadSuccessTest()
{
FRAM ram = new FRAM(10);
ram.Memory[0] = 0x12;
ram.Memory[1] = 0x34;
ram.Memory[2] = 0x56;
ram.Memory[3] = 0x78;
ram.Memory[4] = 0x21;
ram.Memory[5] = 0x43;
ram.Memory[6] = 0x65;
int size = 3;
byte[] data = new byte[size];
Assert.AreEqual(0, ram.Read(data, 4, size));
Assert.AreEqual(0x21, data[0]);
Assert.AreEqual(0x43, data[1]);
Assert.AreEqual(0x65, data[2]);
}