# delay module

| Status | Last Update | API Version |
| ------ | ------ | ------ |
| Active | 2019-11-14 | V1.00.00 |

## delay.ms()
### Description
Block the lua thread for specified miliseconds. Background services are still running during the block, but event-loop will not be running, not recommended for event-driven programs. Resolution is 1ms, precision not guaranteed.

### Parameters

| Name | Type | Range | Usage |
| ------ | ------ | ------ |  ------ |
| <milisecond> | number| 1~2^32-1 |Specify the delay time in miliseonds|

### Return value
nil
### Example call
```lua
delay.ms(100)
```
## delay.us()
### Description
Block the lua thread for specified microseconds. It is busy block, background services and event-loop cannot run during the block, it's here for delays that is too small for delay.ms() to handle. 

### Parameters

| Name | Type | Range | Usage |
| ------ | ------ | ------ |  ------ |
| <microsecond> | number| 1~2000 |Specify the delay time in microseconds|

### Return value
nil
### Example call
```lua
delay.us(100)
```