test neopixel

platformio.ini

@@ -51,6 +51,7 @@ board = sparkfun_promicrorp2040
 framework = arduino
 board_build.core = earlephilhower
 build_flags = -DRP_PIO -DUSE_TINYUSB
+test_framework = unity
 
 ; configure filesystem size. Default 0 Mbyte.
 ; Out of 16Mbyte available

test/neopixel.cpp

@@ -0,0 +1,98 @@
+#include <Arduino.h>
+#include <unity.h>
+#include <Adafruit_NeoPixel.h>
+
+#define LED_RED 0x00FF0000
+#define LED_ORANGE 0x00FF7F00
+#define LED_YELLOW 0x00FFFF00
+#define LED_GREEN 0x0000FF00
+#define LED_BLUE 0x000000FF
+#define LED_INDIGO 0x004B0082
+#define LED_VIOLET 0x008000FF
+
+Adafruit_NeoPixel pixels(1, PIN_NEOPIXEL, NEO_GRB + NEO_KHZ800);
+
+void setUp(void)
+{
+  // set stuff up here
+}
+
+void tearDown(void)
+{
+  // clean stuff up here
+}
+
+void test_neopixel_pin_number(void)
+{
+  TEST_ASSERT_EQUAL(PIN_NEOPIXEL, pixels.getPin());
+}
+
+void test_neopixel_state_high(void)
+{
+  uint32_t color = pixels.Color(255, 255, 255); // white color
+  pixels.setPixelColor(0, color);
+  pixels.show();
+  TEST_ASSERT_EQUAL_UINT32(color, pixels.getPixelColor(0));
+}
+
+void test_neopixel_state_low(void)
+{
+  pixels.clear(); // turn off the NeoPixel
+  pixels.show();
+  TEST_ASSERT_EQUAL_UINT32(pixels.Color(0, 0, 0), pixels.getPixelColor(0));
+}
+
+void test_neopixel_color(uint32_t color) {
+  pixels.setPixelColor(0, color);
+  pixels.show();
+  TEST_ASSERT_EQUAL_UINT32(color, pixels.getPixelColor(0));
+}
+
+void test_neopixel_colors(void) {
+  test_neopixel_color(LED_RED);
+  delay(500);
+  test_neopixel_color(LED_ORANGE);
+  delay(500);
+  test_neopixel_color(LED_YELLOW);
+  delay(500);
+  test_neopixel_color(LED_GREEN);
+  delay(500);
+  test_neopixel_color(LED_BLUE);
+  delay(500);
+  test_neopixel_color(LED_INDIGO);
+  delay(500);
+  test_neopixel_color(LED_VIOLET);
+  delay(500);
+}
+
+void setup()
+{
+  // NOTE!!! Wait for >2 secs
+  // if board doesn't support software reset via Serial.DTR/RTS
+  delay(2000);
+  pixels.begin(); // This initializes the NeoPixel library.
+
+  UNITY_BEGIN(); // IMPORTANT LINE!
+  RUN_TEST(test_neopixel_pin_number);
+}
+
+uint8_t i = 0;
+uint8_t max_blinks = 3;
+
+void loop()
+{
+  if (i < max_blinks)
+  {
+    RUN_TEST(test_neopixel_state_high);
+    delay(500);
+    RUN_TEST(test_neopixel_state_low);
+    delay(500);
+    RUN_TEST(test_neopixel_colors);
+    delay(500);
+    i++;
+  }
+  else if (i == max_blinks)
+  {
+    UNITY_END(); // stop unit testing
+  }
+}