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Fix and extend sample in apa102 module docu (#1689)

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Tobias Tangemann 2016-12-30 07:03:13 +01:00 committed by Marcel Stör
parent 007f870cb6
commit 57950413ca
1 changed files with 8 additions and 2 deletions
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10
docs/en/modules/apa102.md
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@ -30,12 +30,18 @@ Send ABGR data in 8 bits to a APA102 chain.
#### Returns #### Returns
`nil` `nil`
#### Example #### Example 1
```lua ```lua
a = 31 a = 31
b = 0 b = 0
g = 0 g = 0
r = 255 r = 255
led_abgr = string.char(a, b, g, r, a, b, g, r) leds_abgr = string.char(a, b, g, r, a, b, g, r)
apa102.write(2, 3, leds_abgr) -- turn two APA102s to red, connected to data_pin 2 and clock_pin 3 apa102.write(2, 3, leds_abgr) -- turn two APA102s to red, connected to data_pin 2 and clock_pin 3
``` ```
#### Example 2
```lua
-- set the first 30 leds to red
apa102.write(2, 3, string.char(31, 255, 0, 0):rep(30))
```