Merge pull request #4 from filipecalegario/master

Adding examples for ESP32 and M5StickC

Author: mathiasbredholt

examples/Example_ESP32/Example_ESP32.ino

@@ -0,0 +1,41 @@
+#include <WiFi.h>
+#include "mapper.h"
+
+const char* ssid     = "WIFI_SSID";
+const char* password = "WIFI_PASSWORD";
+
+mapper_device dev = 0;
+mapper_signal input_signal = 0;
+mapper_signal output_signal = 0;
+float seq_number = 0;
+float received_value = 0;
+
+void setup() {
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+  }
+
+  float min = 0.0f;
+  float max = 5.0f;
+
+  dev = mapper_device_new("ESP32", 0, 0);
+  output_signal = mapper_device_add_output_signal(dev, "value_to_send", 1, 'f', "V", &min, &max);
+  input_signal = mapper_device_add_input_signal(dev, "value_received", 1, 'f', 0, &min, &max, input_signal_handler, 0);
+}
+
+void loop() {
+  mapper_device_poll(dev, 120);
+  seq_number = seq_number + 0.01f;
+  mapper_signal_update_float(output_signal, seq_number);
+}
+
+void input_signal_handler(mapper_signal sig, mapper_id instance, const void *value, int count, mapper_timetag_t *timetag) {
+  if (value) {
+    float *v = (float*)value;
+    for (int i = 0; i < mapper_signal_length(sig); i++) {
+      received_value = v[i];
+    }
+  }
+}

examples/Example_M5StickC/Example_M5StickC.ino

@@ -0,0 +1,61 @@
+#include <WiFi.h>
+#include <M5StickC.h>
+#include "mapper.h"
+
+const char* ssid     = "WIFI_SSID";
+const char* password = "WIFI_PASSWORD";
+
+mapper_device dev = 0;
+mapper_signal input_signal = 0;
+mapper_signal output_signal = 0;
+float seq_number = 0;
+float received_value = 0;
+
+void setup() {
+  // Initialize the M5StickC object
+  M5.begin();
+
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    M5.Lcd.fillScreen(ORANGE);
+    delay(250);
+    M5.Lcd.fillScreen(RED);
+    delay(250);
+    M5.Lcd.println("Connecting");
+  }
+
+  M5.Lcd.fillScreen(GREEN);
+
+  float min = 0.0f;
+  float max = 5.0f;
+
+  dev = mapper_device_new("M5StickC", 0, 0);
+  output_signal = mapper_device_add_output_signal(dev, "value_to_send", 1, 'f', "V", &min, &max);
+  input_signal = mapper_device_add_input_signal(dev, "value_received", 1, 'f', 0, &min, &max, input_signal_handler, 0);
+
+  // LCD display
+  // M5.Lcd.print("Hello World");
+
+  pinMode(M5_LED, OUTPUT);
+  digitalWrite(M5_LED, HIGH);
+}
+
+void loop() {
+  mapper_device_poll(dev, 120);
+  M5.Lcd.fillScreen(BLUE);
+  seq_number = seq_number + 0.01f;
+  mapper_signal_update_float(output_signal, seq_number);
+  M5.Lcd.setCursor(0, 10);
+  M5.Lcd.print(received_value);
+  //delay(10);
+}
+
+void input_signal_handler(mapper_signal sig, mapper_id instance, const void *value, int count, mapper_timetag_t *timetag) {
+  if (value) {
+    float *v = (float*)value;
+    for (int i = 0; i < mapper_signal_length(sig); i++) {
+      received_value = v[i];
+    }
+  }
+}