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Fix video for USB-C displays. #1076

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Fix video for USB-C displays. #1076

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0301770
libraries/Arduino_H7_Video: Ignore EDID parse failure.
iabdalkader Jul 9, 2025
924a976
libraries/Arduino_H7_Video: Update examples.
iabdalkader Jul 9, 2025
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15 changes: 13 additions & 2 deletions libraries/Arduino_H7_Video/examples/ArduinoLogo/ArduinoLogo.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -22,12 +22,23 @@ Arduino_H7_Video Display(800, 480, GigaDisplayShield);

Image img_arduinologo(ENCODING_RGB16, (uint8_t *) texture_raw, 300, 300);

void error() {
while (true) {
digitalWrite(LEDR, LOW);
delay(500);
digitalWrite(LEDR, HIGH);
delay(500);
}
}

void setup() {
Display.begin();
if (Display.begin()) {
error();
}

Display.beginDraw();
Display.image(img_arduinologo, (Display.width() - img_arduinologo.width())/2, (Display.height() - img_arduinologo.height())/2);
Display.endDraw();
}

void loop() { }
void loop() { }
17 changes: 14 additions & 3 deletions libraries/Arduino_H7_Video/examples/ArduinoLogoDrawing/ArduinoLogoDrawing.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,20 @@
Arduino_H7_Video Display(800, 480, GigaDisplayShield);
//Arduino_H7_Video Display(1024, 768, USBCVideo);

void error() {
while (true) {
digitalWrite(LEDR, LOW);
delay(500);
digitalWrite(LEDR, HIGH);
delay(500);
}
}

void setup() {
Display.begin();

if (Display.begin()) {
error();
}

Display.beginDraw();
Display.background(255, 255, 255);
Display.clear();
Expand All @@ -34,4 +45,4 @@ void setup() {
Display.endDraw();
}

void loop() { }
void loop() { }
16 changes: 14 additions & 2 deletions libraries/Arduino_H7_Video/examples/LVGLDemo/LVGLDemo.ino
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Expand Up @@ -28,10 +28,22 @@ static void set_slider_val(void * bar, int32_t val) {
lv_bar_set_value((lv_obj_t *)bar, val, LV_ANIM_ON);
}

void error() {
while (true) {
digitalWrite(LEDR, LOW);
delay(500);
digitalWrite(LEDR, HIGH);
delay(500);
}
}

void setup() {
Serial.begin(115200);

Display.begin();
if (Display.begin()) {
error();
}

TouchDetector.begin();

/* Create a container with grid 2x2 */
Expand Down Expand Up @@ -140,4 +152,4 @@ void setup() {
void loop() {
/* Feed LVGL engine */
lv_timer_handler();
}
}
7 changes: 2 additions & 5 deletions libraries/Arduino_H7_Video/src/H7DisplayShield.cpp
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Expand Up @@ -41,10 +41,7 @@ int USBCVideoClass::init(int edidmode) {
}

//Read EDID
err_code = anx7625_dp_get_edid(0, &recognized_edid);
if(err_code < 0) {
return err_code;
}
anx7625_dp_get_edid(0, &recognized_edid);

//DSI Configuration
err_code = anx7625_dp_start(0, &recognized_edid, (enum edid_modes) edidmode);
Expand All @@ -68,4 +65,4 @@ int USBCVideoClass::getStatus() {
}

GigaDisplayShieldClass GigaDisplayShield;
USBCVideoClass USBCVideo;
USBCVideoClass USBCVideo;