Created dedicated library class for round LCD breakout

examples/CMakeLists.txt

@@ -1,3 +1,4 @@
+add_subdirectory(breakout_roundlcd)
 add_subdirectory(pico_display)
 add_subdirectory(pico_unicorn)
 add_subdirectory(pico_unicorn_plasma)
@@ -5,5 +6,4 @@ add_subdirectory(pico_scroll)
 add_subdirectory(pico_explorer)
 add_subdirectory(pico_rgb_keypad)
 add_subdirectory(pico_rtc_display)
-add_subdirectory(pico_tof_display)
-add_subdirectory(st7789)
+add_subdirectory(pico_tof_display)

examples/breakout_roundlcd/CMakeLists.txt

@@ -0,0 +1,12 @@
+set(OUTPUT_NAME roundlcd_demo)
+
+add_executable(
+  ${OUTPUT_NAME}
+  demo.cpp
+)
+
+# Pull in pico libraries that we need
+target_link_libraries(${OUTPUT_NAME} pico_stdlib breakout_roundlcd)
+
+# create map/bin/hex file etc.
+pico_add_extra_outputs(${OUTPUT_NAME})

examples/breakout_roundlcd/demo.cpp

@@ -3,54 +3,18 @@
 #include <vector>
 #include <cstdlib>
 
-#include "st7789.hpp"
-#include "pico_graphics.hpp"
+#include "breakout_roundlcd.hpp"
 #include "time.h"
 
 // Place a 1.3 Round SPI LCD in the *front* slot of breakout garden.
 
-#define CS 17
-#define DC 16
-#define SCK 18
-#define MOSI 19
-#define MISO -1
-
-// "true" to init the screen in "round" mode
-#define ROUND true
-
 using namespace pimoroni;
 
-// Create a PicoDisplay to bind PicoGraphics with our ST7789 display
-class PicoDisplay : public PicoGraphics {
-  public:
-    static const int WIDTH = 240;
-    static const int HEIGHT = 240;
 
-    uint16_t *__fb;
-  private:
-    ST7789 screen;
+uint16_t buffer[BreakoutRoundLCD::WIDTH * BreakoutRoundLCD::HEIGHT];
+BreakoutRoundLCD display(buffer);
 
-  public:
-    PicoDisplay(uint16_t *buf) : PicoGraphics(WIDTH, HEIGHT, buf),
-    screen(WIDTH, HEIGHT, buf,
-            spi0,
-            CS, DC, SCK, MOSI, MISO) {
-        __fb = buf;
-    }
-
-    void init() {
-      screen.init(true, ROUND);
-    };
-    void update() {
-      screen.update();
-    }
-};
-
-
-uint16_t buffer[PicoDisplay::WIDTH * PicoDisplay::HEIGHT];
-PicoDisplay display(buffer);
-
-constexpr float RADIUS = PicoDisplay::WIDTH / 2;
+constexpr float RADIUS = BreakoutRoundLCD::WIDTH / 2;
 
 Pen from_hsv(float h, float s, float v) {
   uint8_t r, g, b;

examples/st7789/CMakeLists.txt

@@ -1,11 +0,0 @@
-add_executable(
-  st7789_round_demo
-  round_demo.cpp
-)
-
-# Pull in pico libraries that we need
-target_link_libraries(st7789_round_demo pico_stdlib hardware_spi st7789 pico_graphics)
-
-# create map/bin/hex file etc.
-pico_add_extra_outputs(st7789_round_demo)
-

libraries/CMakeLists.txt

@@ -1,3 +1,4 @@
+add_subdirectory(breakout_roundlcd)
 add_subdirectory(pico_graphics)
 add_subdirectory(pico_display)
 add_subdirectory(pico_unicorn)

libraries/breakout_roundlcd/CMakeLists.txt

@@ -0,0 +1,11 @@
+set(LIB_NAME breakout_roundlcd)
+add_library(${LIB_NAME} INTERFACE)
+
+target_sources(${LIB_NAME} INTERFACE
+  ${CMAKE_CURRENT_LIST_DIR}/${LIB_NAME}.cpp
+)
+
+target_include_directories(${LIB_NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR})
+
+# Pull in pico libraries that we need
+target_link_libraries(${LIB_NAME} INTERFACE pico_stdlib st7789 pico_graphics)

libraries/breakout_roundlcd/breakout_roundlcd.cmake

@@ -0,0 +1,14 @@
+include(${CMAKE_CURRENT_LIST_DIR}/../../drivers/st7789/st7789.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/../pico_graphics/pico_graphics.cmake)
+
+set(LIB_NAME breakout_roundlcd)
+add_library(${LIB_NAME} INTERFACE)
+
+target_sources(${LIB_NAME} INTERFACE
+  ${CMAKE_CURRENT_LIST_DIR}/${LIB_NAME}.cpp
+)
+
+target_include_directories(${LIB_NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR})
+
+# Pull in pico libraries that we need
+target_link_libraries(${LIB_NAME} INTERFACE pico_stdlib st7789 pico_graphics)

libraries/breakout_roundlcd/breakout_roundlcd.cpp

@@ -0,0 +1,53 @@
+#include "breakout_roundlcd.hpp"
+
+namespace pimoroni {
+
+  BreakoutRoundLCD::BreakoutRoundLCD(uint16_t *buf)
+    : PicoGraphics(WIDTH, HEIGHT, buf), screen(WIDTH, HEIGHT, buf)  {
+    __fb = buf;
+  }
+
+  BreakoutRoundLCD::BreakoutRoundLCD(uint16_t *buf,  spi_inst_t *spi,
+      uint8_t cs, uint8_t dc, uint8_t sck, uint8_t mosi, uint8_t miso)
+    : PicoGraphics(WIDTH, HEIGHT, buf), screen(WIDTH, HEIGHT, buf, spi, cs, dc, sck, mosi, miso)  {
+    __fb = buf;
+  }
+
+  void BreakoutRoundLCD::init() {
+    // initialise the screen
+    screen.init(true, true);
+  }
+
+  // spi_inst_t* BreakoutRoundLCD::get_spi() const {
+  //   return screen.get_spi();
+  // }
+
+  // int BreakoutRoundLCD::get_cs() const {
+  //   return screen.get_cs();
+  // }
+
+  // int BreakoutRoundLCD::get_dc() const {
+  //   return screen.get_dc();
+  // }
+
+  // int BreakoutRoundLCD::get_sck() const {
+  //   return screen.get_sck();
+  // }
+
+  // int BreakoutRoundLCD::get_mosi() const {
+  //   return screen.get_mosi();
+  // }
+
+  // int BreakoutRoundLCD::get_miso() const {
+  //   return screen.get_miso();
+  // }
+
+  void BreakoutRoundLCD::update() {
+    screen.update();
+  }
+
+  void BreakoutRoundLCD::set_backlight(uint8_t brightness) {
+    screen.set_backlight(brightness);
+  }
+
+}

libraries/breakout_roundlcd/breakout_roundlcd.hpp

@@ -0,0 +1,53 @@
+#pragma once
+
+#include "../../drivers/st7789/st7789.hpp"
+#include "../../libraries/pico_graphics/pico_graphics.hpp"
+
+namespace pimoroni {
+
+  class BreakoutRoundLCD : public PicoGraphics {
+    //--------------------------------------------------
+    // Constants
+    //--------------------------------------------------
+  public:
+    static const int WIDTH = 240;
+    static const int HEIGHT = 240;
+    static const uint8_t PIN_UNUSED   = UINT8_MAX;
+
+
+    //--------------------------------------------------
+    // Variables
+    //--------------------------------------------------
+  public:
+    uint16_t *__fb;
+  private:
+    ST7789 screen;
+
+
+    //--------------------------------------------------
+    // Constructors/Destructor
+    //--------------------------------------------------
+  public:
+    BreakoutRoundLCD(uint16_t *buf);
+    BreakoutRoundLCD(uint16_t *buf,  spi_inst_t *spi,
+      uint8_t cs, uint8_t dc, uint8_t sck, uint8_t mosi, uint8_t miso = PIN_UNUSED);
+    
+
+    //--------------------------------------------------
+    // Methods
+    //--------------------------------------------------
+  public:
+    void init();
+
+    // spi_inst_t* get_spi() const;
+    // int get_cs() const;
+    // int get_dc() const;
+    // int get_sck() const;
+    // int get_mosi() const;
+    // int get_miso() const;
+
+    void update();
+    void set_backlight(uint8_t brightness);
+  };
+
+}