Add Zephyr support and migrate to Arduino_Video

examples/basic/ArduinoLogoDrawing/ArduinoLogoDrawing.ino

@@ -8,11 +8,11 @@
   https://github.com/arduino/ArduinoCore-mbed/blob/main/libraries/Arduino_H7_Video/
 */
 
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "ArduinoGraphics.h"
 
-Arduino_H7_Video Display(800, 480, GigaDisplayShield);
-//Arduino_H7_Video Display(1024, 768, USBCVideo);
+Arduino_Video Display(800, 480, GigaDisplayShield);
+//Arduino_Video Display(1024, 768, USBCVideo);
 
 void setup() {
   Display.begin();

examples/basic/SimpleText/SimpleText.ino

@@ -15,10 +15,10 @@
   This example code is in the public domain.
 */
 
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "ArduinoGraphics.h"
 
-Arduino_H7_Video Display(800, 480, GigaDisplayShield);
+Arduino_Video Display(800, 480, GigaDisplayShield);
 
 void setup() {
   Display.begin();

examples/camera/display_camera/display_camera.ino

@@ -1,6 +1,6 @@
 
 #include "arducam_dvp.h"
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "dsi.h"
 #include "SDRAM.h"
 
@@ -37,7 +37,7 @@ FrameBuffer fb;
 // The buffer used to rotate and resize the frame
 FrameBuffer outfb;
 // The buffer used to rotate and resize the frame
-Arduino_H7_Video Display(800, 480, GigaDisplayShield);
+Arduino_Video Display(800, 480, GigaDisplayShield);
 
 void blinkLED(uint32_t count = 0xFFFFFFFF)
 {

examples/lvgl/bar_lvgl/bar_lvgl.ino

@@ -1,9 +1,9 @@
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "Arduino_GigaDisplayTouch.h"
 
 #include "lvgl.h"
 
-Arduino_H7_Video          Display(800, 480, GigaDisplayShield); /* Arduino_H7_Video Display(1024, 768, USBCVideo); */
+Arduino_Video          Display(800, 480, GigaDisplayShield); /* Arduino_Video Display(1024, 768, USBCVideo); */
 Arduino_GigaDisplayTouch  TouchDetector;
 
 static void set_slider_val(void * bar, int32_t val) {

examples/lvgl/button_lvgl/button_lvgl.ino

@@ -1,8 +1,8 @@
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "lvgl.h"
 #include "Arduino_GigaDisplayTouch.h"
 
-Arduino_H7_Video          Display(800, 480, GigaDisplayShield);
+Arduino_Video          Display(800, 480, GigaDisplayShield);
 Arduino_GigaDisplayTouch  TouchDetector;
 
 static void btn_event_cb(lv_event_t * e) {

examples/lvgl/check_radio_lvgl/check_radio_lvgl.ino

@@ -1,8 +1,8 @@
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "lvgl.h"
 #include "Arduino_GigaDisplayTouch.h"
 
-Arduino_H7_Video          Display(800, 480, GigaDisplayShield);
+Arduino_Video          Display(800, 480, GigaDisplayShield);
 Arduino_GigaDisplayTouch  TouchDetector;
 
 void setup() {

examples/lvgl/image_lvgl/image_lvgl.ino

@@ -3,10 +3,10 @@
 * Online image converter for LVGL v8 or earlier: https://lvgl.io/tools/imageconverter
 */
 
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "lvgl.h"
 
-Arduino_H7_Video          Display(800, 480, GigaDisplayShield);
+Arduino_Video          Display(800, 480, GigaDisplayShield);
 
 void setup() {
   Display.begin();

examples/lvgl/imu_orientation/imu_orientation.ino

@@ -4,10 +4,10 @@
 */
 
 #include "Arduino_BMI270_BMM150.h"
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "lvgl.h"
 
-Arduino_H7_Video          Display(800, 480, GigaDisplayShield); /* Arduino_H7_Video Display(1024, 768, USBCVideo); */
+Arduino_Video          Display(800, 480, GigaDisplayShield); /* Arduino_H7_Video Display(1024, 768, USBCVideo); */
 
 BoschSensorClass imu(Wire1);
 

examples/lvgl/slider_lvgl/slider_lvgl.ino

@@ -1,9 +1,9 @@
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "Arduino_GigaDisplayTouch.h"
 
 #include "lvgl.h"
 
-Arduino_H7_Video          Display(800, 480, GigaDisplayShield); /* Arduino_H7_Video Display(1024, 768, USBCVideo); */
+Arduino_Video          Display(800, 480, GigaDisplayShield); /* Arduino_H7_Video Display(1024, 768, USBCVideo); */
 Arduino_GigaDisplayTouch  TouchDetector;
 
 void setup() {

examples/lvgl/squarelinestudio_lvgl/squarelinestudio_lvgl.ino

@@ -19,14 +19,14 @@
  * Initial author: Leonardo Cavagnis @leonardocavagnis
  */
 
-#include "Arduino_H7_Video.h"
+#include "Arduino_Video.h"
 #include "Arduino_GigaDisplayTouch.h"
 
 #include "lvgl.h"
 #include "ui.h"
 
 /* Initialize the GIGA Display Shield with a resolution of 800x480 pixels */
-Arduino_H7_Video Display(800, 480, GigaDisplayShield);
+Arduino_Video Display(800, 480, GigaDisplayShield);
 Arduino_GigaDisplayTouch Touch;
 
 void setup() {

library.properties

@@ -6,6 +6,6 @@ sentence=Examples for GIGA Display Shield
 paragraph=
 category=Device Control
 url=https://github.com/arduino-libraries/Arduino_GigaDisplay
-architectures=mbed_giga,mbed_portenta
+architectures=mbed_giga,mbed_portenta,ArduinoCore-zephyr
 includes=Arduino_GigaDisplay.h
 depends=Arduino_BMI270_BMM150,Arduino_GigaDisplayTouch,ArduinoGraphics,Arduino_GigaDisplay_GFX,lvgl,Arducam_dvp

src/GigaDisplayRGB.cpp

@@ -30,3 +30,65 @@ void GigaDisplayRGB::writeByte(uint8_t subAddress, uint8_t data)
     Wire1.write(data);
     Wire1.endTransmission();
 }
+
+#ifdef __ZEPHYR__
+GigaDisplayBacklight* GigaDisplayBacklight::_instance = nullptr;
+
+void GigaDisplayBacklight::zephyr_timer_handler(struct k_timer *timer_id) {
+    if (_instance) {
+        _instance->process_step();
+    }
+}
+#endif
+
+GigaDisplayBacklight::GigaDisplayBacklight() : intensity(0) {
+    #ifdef __ZEPHYR__
+    _instance = this;
+    #endif
+}
+
+void GigaDisplayBacklight::begin(int target_percent) {
+    set(target_percent);
+
+#if defined(__MBED__)
+    pin = new mbed::DigitalOut(PB_12);
+    ticker = new mbed::Ticker();
+    ticker->attach(mbed::callback(this, &GigaDisplayBacklight::cb), 2ms);
+#elif defined(__ZEPHYR__)
+    pinMode(74, OUTPUT); // 74 = PB_12
+    k_timer_init(&timer, GigaDisplayBacklight::zephyr_timer_handler, NULL);
+    k_timer_start(&timer, K_MSEC(2), K_MSEC(2));
+#endif
+}
+
+#if defined(__MBED__)
+void GigaDisplayBacklight::cb() {
+    static int counter = 0;
+    if (counter >= intensity) {
+        *pin = 0;
+    } else {
+        *pin = 1;
+    }
+    counter += 10;
+    if (counter == 100) counter = 0;
+}
+#elif defined(__ZEPHYR__)
+void GigaDisplayBacklight::process_step() {
+    static int counter = 0;
+    if (counter >= intensity) {
+        digitalWrite(74, LOW); 
+    } else {
+        digitalWrite(74, HIGH);
+    }
+    counter += 10;
+    if (counter == 100) counter = 0;
+}
+#endif
+
+void GigaDisplayBacklight::set(int target_percent) {
+    intensity = target_percent;
+}
+
+void GigaDisplayBacklight::off() {
+    set(0);
+}

src/GigaDisplayRGB.h

@@ -13,41 +13,34 @@ class GigaDisplayRGB {
         void writeByte(uint8_t,uint8_t);
 };
 
-#include "mbed.h"
-using namespace std::chrono_literals;
-using namespace std::chrono;
+#if defined(__MBED__)
+    #include "mbed.h"
+    using namespace std::chrono_literals;
+    using namespace std::chrono;
+#elif defined(__ZEPHYR__)
+    #include <zephyr/kernel.h>
+#endif
 
 class GigaDisplayBacklight {
     public:
-        GigaDisplayBacklight() {}
-        void begin(int target_percent = 100) {
-            pin = new mbed::DigitalOut(PB_12);
-            ticker = new mbed::Ticker();
-            ticker->attach(mbed::callback(this, &GigaDisplayBacklight::cb), 2ms);
-            set(target_percent);
-        }
-        void cb() {
-            static int counter = 0;
-            if (counter >= intensity) {
-                *pin = 0;
-            } else {
-                *pin = 1;
-            }
-            counter += 10;
-            if (counter == 100) {
-                counter = 0;
-            }
-        }
-        void set(int target_percent) {
-            intensity = target_percent;
-        }
-        void off() {
-            set(0);
-        }
+        GigaDisplayBacklight();
+        void begin(int target_percent = 100);
+        void set(int target_percent);
+        void off();
+
     private:
-        mbed::Ticker* ticker;
-        mbed::DigitalOut* pin;
         int intensity;
+
+        #if defined(__MBED__)
+            mbed::Ticker* ticker;
+            mbed::DigitalOut* pin;
+            void cb();
+        #elif defined(__ZEPHYR__)
+            struct k_timer timer;
+            static void zephyr_timer_handler(struct k_timer *dummy);
+            static GigaDisplayBacklight* _instance; 
+            void process_step();
+        #endif
 };
 
 #endif