rp2350 fix from @stonedev-app's (see #619)

src/lgfx/v1/panel/.directory

@@ -0,0 +1,8 @@
+[Dolphin]
+PreviewsShown=false
+Timestamp=2024,9,6,8,43,6.054
+Version=4
+ViewMode=1
+
+[Settings]
+HiddenFilesShown=true

src/lgfx/v1/panel/Panel_ST7789P3.hpp

@@ -0,0 +1,73 @@
+/*----------------------------------------------------------------------------/
+ * Lovyan GFX - Graphics library for embedded devices.
+ *
+ O *riginal Source:
+ https://github.com/lovyan03/LovyanGFX/
+
+ Licence:
+ [FreeBSD](https://github.com/lovyan03/LovyanGFX/blob/master/license.txt)
+
+ Author:
+ [lovyan03](https://twitter.com/lovyan03)
+
+ Contributors:
+ [ciniml](https://github.com/ciniml)
+ [mongonta0716](https://github.com/mongonta0716)
+ [tobozo](https://github.com/tobozo)
+ /----------------------------------------------------------------------------*/
+#pragma once
+
+#include "Panel_LCD.hpp"
+
+namespace lgfx
+{
+    inline namespace v1
+    {
+        //----------------------------------------------------------------------------
+
+        struct Panel_ST7789P3  : public Panel_LCD
+        {
+            Panel_ST7789P3(void)
+            {
+                _cfg.panel_height = _cfg.memory_height = 320;
+                _cfg.dummy_read_pixel = 16;
+            }
+
+        protected:
+
+            const uint8_t* getInitCommands(uint8_t listno) const override {
+
+                static constexpr uint8_t list0[] = {
+                    0x11, 0+CMD_INIT_DELAY, 120,
+                    0x36, 1, 0x00,
+                    0x3A, 1, 0x05,
+                    0xB2, 5, 0x0C, 0x0C, 0x00, 0x33, 0x33,
+                    0xb7, 1, 0x56,
+                    0xbb, 1, 0x1d,
+                    0xc0, 1, 0x2c,
+                    0xc2, 1, 0x01,
+                    0xc3, 1, 0x0f,
+                    0xc6, 1, 0x0f,
+                    0xd0, 1, 0xa7,
+                    0xd0, 2, 0xa4, 0xa1,
+                    0xd6, 1, 0xa1,
+                    0xe0, 14, 0xF0, 0x02, 0x07, 0x05, 0x06, 0x14, 0x2F, 0x54, 0x46, 0x38, 0x13, 0x11, 0x2E, 0x35,
+                    0xe1, 14, 0xF0, 0x08, 0x0C, 0x0C, 0x09, 0x05, 0x2F, 0x43, 0x46, 0x36, 0x10, 0x12, 0x2C, 0x32,
+                    0x21, 0,
+                    0x29, 0,
+                    0x2c, 0+CMD_INIT_DELAY, 100,
+                    0x2a, 4, 0x00, 0x00, 0x01, 0x3f,
+                    0x2b, 4, 0x00, 0x00, 0x00, 0xef,
+                    0x2c, 0,
+                    0xFF,0xFF, // end
+                };
+                switch (listno) {
+                    case 0: return list0;
+                    default: return nullptr;
+                }
+            }
+        };
+
+        //----------------------------------------------------------------------------
+    }
+}

src/lgfx/v1/platforms/rp2040/common.cpp

@@ -97,6 +97,10 @@ namespace lgfx
       padsbank0_hw->io[pin] = temp;
       volatile io_bank0_hw_t *iobank0_regs = reinterpret_cast<volatile io_bank0_hw_t *>(IO_BANK0_BASE);
       iobank0_regs->io[pin].ctrl = fn << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
+      #if defined(PICO_RP2350)
+        // Remove pad isolation now that the correct peripheral is in control of the pad
+        hw_clear_bits(&padsbank0_hw->io[pin], PADS_BANK0_GPIO0_ISO_BITS);
+      #endif
       return true;
     }