def __init__(self,offset,size=0x10000):
self.offset = offset
self.size = size
mmap_file = os.open('/dev/mem', os.O_RDWR | os.O_SYNC)
mem = mmap.mmap(mmap_file, self.size,
mmap.MAP_SHARED,
mmap.PROT_READ | mmap.PROT_WRITE,
offset=self.offset)
os.close(mmap_file)
self.array = np.frombuffer(mem, np.uint32, self.size >> 2)
def wread(self,address):
idx = address >> 2
return_val = int(self.array[idx])
return return_val
def wwrite(self,address,data):
idx = address >> 2
self.array[idx] = np.uint32(data)