wip: vertical mirroring support

vroland · Dec 10, 2024 · 8f13113 · 8f13113
1 parent 2591847
commit 8f13113
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Showing 3 changed files with 25 additions and 0 deletions.
diff --git a/src/displays.c b/src/displays.c
@@ -5,6 +5,7 @@ const EpdDisplay_t ED060SCT = {
     .height = 600,
     .bus_width = 8,
     .bus_speed = 20,
+    .mirror_vertically = false,
     .default_waveform = &epdiy_ED060SCT,
     .display_type = DISPLAY_TYPE_GENERIC,
 };
@@ -14,6 +15,7 @@ const EpdDisplay_t ED060XC3 = {
     .height = 768,
     .bus_width = 8,
     .bus_speed = 20,
+    .mirror_vertically = false,
     .default_waveform = &epdiy_ED060XC3,
     .display_type = DISPLAY_TYPE_GENERIC,
 };
@@ -23,6 +25,7 @@ const EpdDisplay_t ED097OC4 = {
     .height = 825,
     .bus_width = 8,
     .bus_speed = 15,
+    .mirror_vertically = false,
     .default_waveform = &epdiy_ED097OC4,
     .display_type = DISPLAY_TYPE_GENERIC,
 };
@@ -32,6 +35,7 @@ const EpdDisplay_t ED097TC2 = {
     .height = 825,
     .bus_width = 8,
     .bus_speed = 22,
+    .mirror_vertically = false,
     .default_waveform = &epdiy_ED097TC2,
     .display_type = DISPLAY_TYPE_ED097TC2,
 };
@@ -41,6 +45,7 @@ const EpdDisplay_t ED133UT2 = {
     .height = 1200,
     .bus_width = 8,
     .bus_speed = 20,
+    .mirror_vertically = false,
     .default_waveform = &epdiy_ED097TC2,
     .display_type = DISPLAY_TYPE_ED097TC2,
 };
@@ -50,6 +55,7 @@ const EpdDisplay_t ED047TC1 = {
     .height = 540,
     .bus_width = 8,
     .bus_speed = 20,
+    .mirror_vertically = false,
     .default_waveform = &epdiy_ED047TC1,
     .display_type = DISPLAY_TYPE_GENERIC,
 };
@@ -59,6 +65,7 @@ const EpdDisplay_t ED047TC2 = {
     .height = 540,
     .bus_width = 8,
     .bus_speed = 20,
+    .mirror_vertically = false,
     .default_waveform = &epdiy_ED047TC2,
     .display_type = DISPLAY_TYPE_GENERIC,
 };
@@ -68,6 +75,17 @@ const EpdDisplay_t ED078KC1 = {
     .height = 1404,
     .bus_width = 16,
     .bus_speed = 11,
+    .mirror_vertically = false,
+    .default_waveform = &epdiy_ED047TC2,
+    .display_type = DISPLAY_TYPE_GENERIC,
+};
+
+const EpdDisplay_t ED068TG1 = {
+    .width = 1440,
+    .height = 1080,
+    .bus_width = 16,
+    .bus_speed = 11,
+    .mirror_vertically = true,
     .default_waveform = &epdiy_ED047TC2,
     .display_type = DISPLAY_TYPE_GENERIC,
 };
diff --git a/src/epd_display.h b/src/epd_display.h
@@ -26,6 +26,9 @@ typedef struct {
     /// (Only used by the LCD based renderer in V7+)
     int bus_speed;
 
+    /// Changes behaviour of draw functions if the display draws bottom to top
+    bool mirror_vertically;
+
     /// Default waveform to use.
     const EpdWaveform* default_waveform;
     /// Display type
@@ -39,4 +42,5 @@ extern const EpdDisplay_t ED097TC2;
 extern const EpdDisplay_t ED133UT2;
 extern const EpdDisplay_t ED047TC1;
 extern const EpdDisplay_t ED047TC2;
+extern const EpdDisplay_t ED068TG1;
 extern const EpdDisplay_t ED078KC1;
diff --git a/src/epdiy.c b/src/epdiy.c
@@ -69,6 +69,9 @@ Coord_xy _rotate(uint16_t x, uint16_t y) {
             y = epd_height() - y - 1;
             break;
     }
+    if (epd_get_display()->mirror_vertically) {
+         y = epd_height()  - y - 1;
+    }
     Coord_xy coord = { x, y };
     return coord;
 }