micropython_ir projects

[micorpython_ir.git] / RECEIVER.md

diff --git a/RECEIVER.md b/RECEIVER.md
index 309220829ca45e71a67499097139fc230b900187..13ce77a24339cb1557c1e9aa5c011fe953fe7bd4 100644 (file)
--- a/RECEIVER.md
+++ b/RECEIVER.md
@@ -22,13 +22,13 @@ compliant hosts too.
 The pin used to connect the decoder chip to the target is arbitrary. The test
 program `acquire.py` uses the following pins by default:
 
-| Host    | Pin |
-|:-------:|:---:|
-| Pyboard | X3  |
-| ESP32   | 23  |
-| ESP8266 | 13  |
-| D1 Mini | D7  | WeMos naming convention for pin 13.
-| Pico    | 16  |
+| Host    | Pin | Notes |
+|:-------:|:---:|:-----:|
+| Pyboard | X3  |  |
+| ESP32   | 23  |  |
+| ESP8266 | 13  |  |
+| D1 Mini | D7  | WeMos name for pin 13. |
+| Pico    | 16  |  |
 
 A remote using the NEC protocol is [this one](https://www.adafruit.com/products/389).
 
@@ -141,9 +141,9 @@ Class variables:
  1. These are constants defining the NEC repeat code and the error codes sent
  to the error function. They are discussed in [section 4](./RECEIVER.md#4-errors).
 
-#### NEC classes
+#### NEC classes (includes Samsung)
 
-`NEC_8`, `NEC_16`
+`NEC_8`, `NEC_16`, `SAMSUNG`
 
 Typical invocation:
 ```python
@@ -157,6 +157,13 @@ The `NEC_8` class enables error checking for remotes that return an 8 bit
 address: the complement is checked and the address returned as an 8-bit value.
 A 16-bit address will result in an error.
 
+The `SAMSUNG` class returns 16 bit address and data values. The remote sample
+tested did not issue repeat codes - if a button is held down it simply repeated
+the original value. In common with other NEC classes the callback receives a
+value of 0 in the `ctrl` arg.
+
+Thanks are due to J.E.Tannenbaum for information about the Samsung protocol.
+
 #### Sony classes
 
 `SONY_12`, `SONY_15`, `SONY_20`