switch support: it somewhat works ™️

ESP32-S3/ESP32-S3.ino

@@ -6,8 +6,8 @@
 
 // The thresholds are also dependent on SAMPLE_CACHE_LENGTH, if you
 // changed SAMPLE_CACHE_LENGTH, you should also adjust thresholds
-#define HIT_THRES 1750
-#define RESET_THRES 200
+#define HIT_THRES 400
+#define RESET_THRES 80
 
 // Sampling period in μs, e.g., 500μs = 0.5ms = 2000Hz
 #define SAMPLING_PERIOD 500
@@ -36,10 +36,22 @@
 #define R_DON_KEY 'j'
 #define R_KAT_KEY 'k'
 
+// Switch controller output for each channel
+// this default config should work for all the 3 game settings
+#define L_DON_KEY_NS NSGAMEPAD_DPAD_DOWN
+#define L_KAT_KEY_NS NSButton_LeftTrigger
+#define R_DON_KEY_NS NSButton_B
+#define R_KAT_KEY_NS NSButton_RightTrigger
+
 // Enable debug mode to view analog input values from the Serial
 // Enabling this also disables the keyboard simulation
 #define DEBUG 0
 
+// 0 = keyboard; 1 = switch controller
+#define controller_mode 1
+
+#include "switch_ESP32.h"
+NSGamepad Gamepad;
 #include "USB.h"
 #include "USBHIDKeyboard.h"
 #include "cache.h"
@@ -56,6 +68,7 @@ unsigned long triggeredTime[CHANNELS];
 const byte inPins[] = {L_DON_IN, L_KAT_IN, R_DON_IN, R_KAT_IN};
 const byte outPins[] = {L_DON_LED, L_KAT_LED, R_DON_LED, R_KAT_LED};
 const char outKeys[] = {L_DON_KEY, L_KAT_KEY, R_DON_KEY, R_KAT_KEY};
+const uint8_t outKeysNS[] = {L_DON_KEY_NS, L_KAT_KEY_NS, R_DON_KEY_NS, R_KAT_KEY_NS};
 float sensitivities[] = {L_DON_SENS, L_KAT_SENS, R_DON_SENS, R_KAT_SENS};
 
 short maxIndex;
@@ -75,16 +88,23 @@ void setup() {
     maxIndex = -1;
     maxPower = 0;
     lastTime = micros();
-#if !DEBUG
-    Keyboard.begin();
-    USB.begin();
-#endif
+    #if !DEBUG
+        if (controller_mode) {
+            Gamepad.begin();
+        } else {
+            Keyboard.begin();
+        }
+        USB.begin();
+    #endif
 }
 
 void loop() {
     if (maxIndex != -1 && lastPower[maxIndex] < RESET_THRES) {
         triggered = false;
         digitalWrite(outPins[maxIndex], LOW);
+        if (controller_mode) {
+            Gamepad.releaseAll();
+        }
         maxIndex = -1;
         maxPower = 0;
     }
@@ -99,22 +119,32 @@ void loop() {
             maxIndex = i;
         }
         lastPower[i] = power[i];
-#if DEBUG
+    #if DEBUG
         Serial.print(power[i]);
         Serial.print(" ");
-#endif
+    #endif
     }
 
     if (!triggered && maxPower >= HIT_THRES) {
         triggered = true;
         digitalWrite(outPins[maxIndex], HIGH);
-#if !DEBUG
-        Keyboard.write(outKeys[maxIndex]);
-#endif
+        #if !DEBUG
+            if (controller_mode) {
+                // special case for the DPAD
+                if (maxIndex == 0) {
+                    Gamepad.dPad(outKeysNS[maxIndex]);
+                } else {
+                    Gamepad.press(outKeysNS[maxIndex]);
+                }
+                Gamepad.loop();
+            } else {
+                Keyboard.write(outKeys[maxIndex]);
+            }
+        #endif
     }
-#if DEBUG
-    Serial.print("\n");
-#endif
+    #if DEBUG
+        Serial.print("\n");
+    #endif
 
     unsigned int frameTime = micros() - lastTime;
     if (frameTime < SAMPLING_PERIOD) {