circuitpython/tests/micropython/viper_ptr16_load.py

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

38 lines
607 B
Python
Raw Normal View History

# test loading from ptr16 type
# only works on little endian machines
@micropython.viper
def get(src: ptr16) -> int:
return src[0]
@micropython.viper
def get1(src: ptr16) -> int:
return src[1]
@micropython.viper
def memadd(src: ptr16, n: int) -> int:
sum = 0
for i in range(n):
sum += src[i]
return sum
@micropython.viper
def memadd2(src_in) -> int:
src = ptr16(src_in)
n = int(len(src_in)) >> 1
sum = 0
for i in range(n):
sum += src[i]
return sum
b = bytearray(b"1234")
print(b)
print(get(b), get1(b))
print(memadd(b, 2))
print(memadd2(b))