example code for ir remote receiver

Adding CP example code, product demo code and Arduino code for the IR remote receiver

STEMMA_IR_Remote_Receiver_Examples/Arduino_STEMMA_IR_Remote_Receiver/Arduino_STEMMA_IR_Remote_Receiver.ino

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+// SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+/*
+ * Based on the SimpleReceiver.cpp from the
+ * Arduino-IRremote https://github.com/Arduino-IRremote/Arduino-IRremote.
+ * by Armin Joachimsmeyer
+ ************************************************************************************
+ * MIT License
+ *
+ * Copyright (c) 2020-2023 Armin Joachimsmeyer
+ * 
+ */
+
+#include <Arduino.h>
+
+#include <IRremote.hpp> // include the library
+#define IR_RECEIVE_PIN   5
+
+void setup() {
+    Serial.begin(115200);
+    IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK);
+}
+
+void loop() {
+    /*
+     * Check if received data is available and if yes, try to decode it.
+     * Decoded result is in the IrReceiver.decodedIRData structure.
+     *
+     * E.g. command is in IrReceiver.decodedIRData.command
+     * address is in command is in IrReceiver.decodedIRData.address
+     * and up to 32 bit raw data in IrReceiver.decodedIRData.decodedRawData
+     */
+    if (IrReceiver.decode()) {
+        if (IrReceiver.decodedIRData.protocol == UNKNOWN) {
+            IrReceiver.printIRResultRawFormatted(&Serial, true);
+            IrReceiver.resume();
+        } else {
+            IrReceiver.resume();
+            IrReceiver.printIRResultShort(&Serial);
+            IrReceiver.printIRSendUsage(&Serial);
+        }
+        Serial.println();
+    }
+}

STEMMA_IR_Remote_Receiver_Examples/CircuitPython/code.py

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+# SPDX-FileCopyrightText: Copyright (c) 2024 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import board
+import pulseio
+import adafruit_irremote
+
+# IR receiver setup
+ir_receiver = pulseio.PulseIn(board.D5, maxlen=120, idle_state=True)
+decoder = adafruit_irremote.GenericDecode()
+
+def decode_ir_signals(p):
+    codes = decoder.decode_bits(p)
+    return codes
+
+while True:
+    pulses = decoder.read_pulses(ir_receiver)
+    try:
+        # Attempt to decode the received pulses
+        received_code = decode_ir_signals(pulses)
+        if received_code:
+            hex_code = ''.join(["%02X" % x for x in received_code])
+        print(f"Received: {hex_code}")
+    except adafruit_irremote.IRNECRepeatException:  # Signal was repeated, ignore
+        pass
+    except adafruit_irremote.IRDecodeException:  # Failed to decode signal
+        print("Error decoding")

STEMMA_IR_Remote_Receiver_Examples/CircuitPython_ProductDemo/code.py

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+# SPDX-FileCopyrightText: Copyright (c) 2024 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+#
+# Product demo for the IR Remote Receiver with an ESP32-S2 TFT
+
+import board
+import terminalio
+import displayio
+import digitalio
+import pulseio
+import adafruit_irremote
+try:
+    from fourwire import FourWire
+except ImportError:
+    from displayio import FourWire
+from adafruit_display_text import label
+from adafruit_st7789 import ST7789
+
+displayio.release_displays()
+
+# TFT display setup
+spi = board.SPI()
+tft_cs = board.TFT_CS  # Adjust to your CS pin
+tft_dc = board.TFT_DC  # Adjust to your DC pin
+display_bus = FourWire(spi, command=tft_dc, chip_select=tft_cs)
+display = ST7789(
+    display_bus, rotation=270, width=240, height=135, rowstart=40, colstart=53
+)
+
+# Enable the display backlight
+backlight = board.TFT_BACKLIGHT  # Adjust to your backlight pin
+backlight = digitalio.DigitalInOut(backlight)
+backlight.switch_to_output()
+backlight.value = True
+
+# Display initial text
+text_area = label.Label(terminalio.FONT, text="Waiting\nfor IR...", color=0xFFFFFF)
+text_area.anchor_point = (0.5, 0.5)
+text_area.anchored_position = (240 / 2, 135 / 2)  # Assuming display size is 240x135
+text_area.scale = 3  # Scale the text size up by 3 times
+
+display.root_group = text_area
+
+# IR receiver setup
+# Adjust to your IR receiver pin
+ir_receiver = pulseio.PulseIn(board.D5, maxlen=120, idle_state=True)
+decoder = adafruit_irremote.GenericDecode()
+
+def decode_ir_signals(p):
+    codes = decoder.decode_bits(p)
+    return codes
+
+while True:
+    pulses = decoder.read_pulses(ir_receiver)
+    try:
+        # Attempt to decode the received pulses
+        received_code = decode_ir_signals(pulses)
+        # Update display with the received code
+        if received_code:
+            hex_code = ''.join(["%02X" % x for x in received_code])
+            text_area.text = f"Received:\n{hex_code}"
+        print(f"Received: {hex_code}")
+    except adafruit_irremote.IRNECRepeatException:  # Signal was repeated, ignore
+        pass
+    except adafruit_irremote.IRDecodeException:  # Failed to decode signal
+        text_area.text = "Error decoding"