Merge pull request #8772 from kreier/lilygo_t_display_rp2040

Fix display init sequence for Lilygo T-Display rp2040 and add missing 8 pins

Author: jepler

ports/raspberrypi/boards/lilygo_t_display_rp2040/board.c

@@ -42,7 +42,7 @@ uint8_t display_init_sequence[] = {
     // normal display mode on
     0x13, 0,
     // display and color format settings
-    0x36, 1, 0x08,
+    0x36, 1, 0x68,
     0xB6, 2, 0x0A, 0x82,
     0x3A, 1 | DELAY,  0x55, 10,
     // ST7789V frame rate setting
@@ -99,9 +99,9 @@ static void display_init(void) {
         bus,
         240,            // width (after rotation)
         135,            // height (after rotation)
-        53,             // column start
-        40,             // row start
-        90,             // rotation
+        40,             // column start
+        53,             // row start
+        0,              // rotation
         16,             // color depth
         false,          // grayscale
         false,          // pixels in a byte share a row. Only valid for depths < 8
@@ -116,13 +116,13 @@ static void display_init(void) {
         &pin_GPIO4,     // backlight pin
         NO_BRIGHTNESS_COMMAND,
         1.0f,           // brightness (ignored)
-        false,          // auto_brightness
         false,          // single_byte_bounds
         false,          // data_as_commands
         true,           // auto_refresh
         60,             // native_frames_per_second
         true,           // backlight_on_high
-        false           // SH1107_addressing
+        false,          // SH1107_addressing
+        50000           // backlight pwm frequency
         );
 
     common_hal_never_reset_pin(&pin_GPIO4); // backlight pin

ports/raspberrypi/boards/lilygo_t_display_rp2040/pins.c

@@ -37,17 +37,27 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_GP15), MP_ROM_PTR(&pin_GPIO15) },
 
     { MP_ROM_QSTR(MP_QSTR_GP16), MP_ROM_PTR(&pin_GPIO16) },
+    { MP_ROM_QSTR(MP_QSTR_GP17), MP_ROM_PTR(&pin_GPIO17) },
 
     { MP_ROM_QSTR(MP_QSTR_GP18), MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_GP19), MP_ROM_PTR(&pin_GPIO19) },
 
+    { MP_ROM_QSTR(MP_QSTR_GP20), MP_ROM_PTR(&pin_GPIO20) },
     { MP_ROM_QSTR(MP_QSTR_GP21), MP_ROM_PTR(&pin_GPIO21) },
 
     { MP_ROM_QSTR(MP_QSTR_TFT_POWER), MP_ROM_PTR(&pin_GPIO22) },
     { MP_ROM_QSTR(MP_QSTR_GP22), MP_ROM_PTR(&pin_GPIO22) },
 
+    { MP_ROM_QSTR(MP_QSTR_GP23), MP_ROM_PTR(&pin_GPIO23) },
+    { MP_ROM_QSTR(MP_QSTR_GP24), MP_ROM_PTR(&pin_GPIO24) },
+
     { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO25) },
     { MP_ROM_QSTR(MP_QSTR_GP25), MP_ROM_PTR(&pin_GPIO25) },
 
+    { MP_ROM_QSTR(MP_QSTR_GP27), MP_ROM_PTR(&pin_GPIO27) },
+    { MP_ROM_QSTR(MP_QSTR_GP28), MP_ROM_PTR(&pin_GPIO28) },
+    { MP_ROM_QSTR(MP_QSTR_GP29), MP_ROM_PTR(&pin_GPIO29) },
+
     // 1.14 inch LCD ST7789
     { MP_ROM_QSTR(MP_QSTR_LCD_MOSI), MP_ROM_PTR(&pin_GPIO3) },
     { MP_ROM_QSTR(MP_QSTR_LCD_CLK), MP_ROM_PTR(&pin_GPIO2) },