read_releasedate :
write 0x3b 0x10 0xDA
write 0x3b 0x11 0x5C
write 0x3b 0x13 0x01
sleep 0.01
yy= read 0x3b 0x14

write 0x3b  0x10 0xDA
write 0x3b  0x11 0x5D
write 0x3b  0x13 0x01
sleep 0.01
mm= read 0x3b 0x14 );

write 0x3b  0x10 0xDA
write 0x3b  0x11 0x52
write 0x3b  0x13 0x01
sleep 0.01
dd= read 0x3b  0x14

//=========================
read_hardver :

hardver= read 0x3b  0x00

//=========================
read_sensorid :

sensorid_h= read 0x3b 0x20
sensorid_l= read 0x3b 0x21
SENSOR_ID=(((sensorid_h<<8)+sensorid_l))

//=========================
read_wdrmode :
write 0x3b 0x10 0xDB
write 0x3b 0x11 0x32
write 0x3b 0x13 0x01
sleep 0.01
wdrmode= read 0x3b 0x14

write_wdrmode :
write 0x3b 0x10 0xDB
write 0x3b 0x11 0x32
write 0x3b 0x12 $PARAM1
write 0x3b 0x13 0x00

value description
0x00 Back Light Mode OFF
0x01 Back Light Mode ON, LOW
0x02 Back Light Mode ON, HIGH
0x03 DOL WDR Enable
//=========================

But I just can read device ID, and None of the commands work.

Please guide me. Are the commands I wrote above wrong?