[example][hello world] 适配RTduino

Author: mysterywolf

examples/hello_world/arduino_main.cpp

@@ -23,18 +23,8 @@ limitations under the License.
 // The pin of the Arduino's built-in LED
 int led = LED_BUILTIN;
 
-// Track whether the function has run at least once
-bool initialized = false;
-
 // Animates a dot across the screen to represent the current x and y values
 void HandleOutput(float x_value, float y_value) {
-  // Do this only once
-  if (!initialized) {
-    // Set the LED pin to output
-    pinMode(led, OUTPUT);
-    initialized = true;
-  }
-
   // Calculate the brightness of the LED such that y=-1 is fully off
   // and y=1 is fully on. The LED's brightness can range from 0-255.
   int brightness = (int)(127.5f * (y_value + 1));

examples/hello_world/arduino_output_handler.cpp

@@ -14,9 +14,8 @@ limitations under the License.
 ==============================================================================*/
 
 #include <TensorFlowLite.h>
-
+#include <RTduino.h>
 #include "constants.h"
-#include "main_functions.h"
 #include "model.h"
 #include "output_handler.h"
 #include "tensorflow/lite/micro/all_ops_resolver.h"
@@ -39,7 +38,7 @@ alignas(16) uint8_t tensor_arena[kTensorArenaSize];
 }  // namespace
 
 // The name of this function is important for Arduino compatibility.
-void setup() {
+static void _sine_setup(void) {
   tflite::InitializeTarget();
 
   // Map the model into a usable data structure. This doesn't involve any
@@ -78,7 +77,7 @@ void setup() {
 }
 
 // The name of this function is important for Arduino compatibility.
-void loop() {
+static void _sine_loop(void) {
   // Calculate an x value to feed into the model. We compare the current
   // inference_count to the number of inferences per cycle to determine
   // our position within the range of possible x values the model was
@@ -113,3 +112,4 @@ void loop() {
   inference_count += 1;
   if (inference_count >= kInferencesPerCycle) inference_count = 0;
 }
+RTDUINO_SKETCH_LOADER("tfsine", _sine_setup, _sine_loop);