update led.c and relay.c

guowenxue

2021-11-03 b6a72028f0880a9e1d98502c15b7ceeaaf8042ce

update led.c and relay.c

 modules/c/relay.c

@@ -21,7 +21,7 @@
#define ON              1
#define OFF             0

/* Relay    #Pin(29)    BCM(5) */
/* Relay    #Pin(29)    GPIO05(BCM 5)  */
#define relay_pin       5

int turn_relay(int cmd);