micropython/tests/micropython/viper_ptr32_store.py

37 lines
586 B
Python

# test store to ptr32 type
@micropython.viper
def set(dest:ptr32, val:int):
dest[0] = val
@micropython.viper
def set1(dest:ptr32, val:int):
dest[1] = val
@micropython.viper
def memset(dest:ptr32, val:int, n:int):
for i in range(n):
dest[i] = val
@micropython.viper
def memset2(dest_in, val:int):
dest = ptr32(dest_in)
n = int(len(dest_in)) >> 2
for i in range(n):
dest[i] = val
b = bytearray(8)
print(b)
set(b, 0x42424242)
print(b)
set1(b, 0x43434343)
print(b)
memset(b, 0x44444444, len(b) // 4)
print(b)
memset2(b, 0x45454545)
print(b)