From 74d48ada96dad0abab283abe090c1ae5fc2bbb98 Mon Sep 17 00:00:00 2001
From: Th3maz1ng <re.hertz@laposte.net>
Date: Sat, 7 Jan 2023 10:02:34 +0100
Subject: [PATCH] Moved the display initialization code to it's own file as
 part of some code cleanup

---
 .../lvgl/lvgl_port/lv_port_disp.c             | 103 ++++++++++++++++++
 .../lvgl/lvgl_port/lv_port_disp.h             |  44 ++++++++
 2 files changed, 147 insertions(+)
 create mode 100644 src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_disp.c
 create mode 100644 src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_disp.h

diff --git a/src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_disp.c b/src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_disp.c
new file mode 100644
index 0000000..fab8804
--- /dev/null
+++ b/src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_disp.c	
@@ -0,0 +1,103 @@
+/**
+ * @file lv_port_disp.c
+ *
+ */
+
+/*Copy this file as "lv_port_disp.c" and set this value to "1" to enable content*/
+#if 1
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lvgl.h"
+#include "lcd.h"
+#include "app_common.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+#define LVGL_GFX_BUFFER_SIZE (LCD_PIXEL_WIDTH * LCD_PIXEL_HEIGHT / 2)
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void lvgl_display_flush_cb(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p);
+
+static void lcd_draw_finished_cb(void *arg);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+static lv_color_t lvgl_draw_buffer[LVGL_GFX_BUFFER_SIZE];
+static lv_disp_draw_buf_t lvgl_draw_buffer_dsc;
+
+static lv_disp_drv_t display_driver;
+
+/**********************
+ *  GLOBAL VARIABLES
+ **********************/
+/* WARNING : Global object used in gfx_task.c */
+LCDConfig_t LCDConfig;
+
+void lv_port_disp_init(void)
+{
+    /* Create, initialize and register the display driver */
+    lv_disp_drv_init(&display_driver);
+
+    display_driver.hor_res = LCD_PIXEL_WIDTH;
+    display_driver.ver_res = LCD_PIXEL_HEIGHT;
+
+    display_driver.rotated = LV_DISP_ROT_NONE;
+
+    lv_disp_draw_buf_init(&lvgl_draw_buffer_dsc, lvgl_draw_buffer, NULL, LVGL_GFX_BUFFER_SIZE);
+
+    display_driver.draw_buf = &lvgl_draw_buffer_dsc;
+    display_driver.flush_cb = &(lvgl_display_flush_cb);
+
+    /* Initialize the LCD display */
+    lcd_config_init(&LCDConfig);
+    lcd_register_draw_finished_cb(&LCDConfig, &(lcd_draw_finished_cb), &display_driver);
+
+#if defined(W800)
+    LCDConfig.LCDPWMBacklightPin = WM_IO_PA_07;
+    LCDConfig.LCDClockPin = WM_IO_PB_06;
+    LCDConfig.LCDDataPin = WM_IO_PB_07;
+    LCDConfig.LCDChipSelectPin = WM_IO_PB_10;
+    LCDConfig.LCDDataCommandPin = WM_IO_PB_08;
+    LCDConfig.LCDResetPin = WM_IO_PB_09;
+#elif defined(W801)
+    LCDConfig.LCDPWMBacklightPin = WM_IO_PA_08;
+    LCDConfig.LCDClockPin = WM_IO_PA_09;
+    LCDConfig.LCDDataPin = WM_IO_PA_10;
+    LCDConfig.LCDChipSelectPin = WM_IO_PA_13;
+    LCDConfig.LCDDataCommandPin = WM_IO_PA_11;
+    LCDConfig.LCDResetPin = WM_IO_PA_12;
+#endif
+    lcd_init(&LCDConfig);
+
+    if (!lv_disp_drv_register(&display_driver))
+    {
+        APP_LOG_ERROR("Failed to register display driver");
+    }
+}
+
+static void lvgl_display_flush_cb(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p)
+{
+    lcd_draw_rect_frame(&LCDConfig, area->x1, area->y1, area->x2 - area->x1 + 1, area->y2 - area->y1 + 1, (uint8_t *)color_p);
+    /* lv_disp_flush_ready is called in the LCD driver registered callback */
+}
+
+static void lcd_draw_finished_cb(void *arg)
+{
+    lv_disp_flush_ready((lv_disp_drv_t *)arg);
+}
+
+#else /*Enable this file at the top*/
+
+/*This dummy typedef exists purely to silence -Wpedantic.*/
+typedef int keep_pedantic_happy;
+#endif
\ No newline at end of file
diff --git a/src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_disp.h b/src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_disp.h
new file mode 100644
index 0000000..bf22706
--- /dev/null
+++ b/src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_disp.h	
@@ -0,0 +1,44 @@
+
+/**
+ * @file lv_port_disp.h
+ *
+ */
+
+/*Copy this file as "lv_port_disp.h" and set this value to "1" to enable content*/
+#if 1
+
+#ifndef LV_PORT_DISP_H
+#define LV_PORT_DISP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+void lv_port_disp_init(void);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_PORT_DISP_H*/
+
+#endif /*Disable/Enable content*/
\ No newline at end of file