add SConscript and Options

README.md

@@ -1,2 +1,104 @@
 # lvgl_rtt
 lvgl package for RT-Thread
+
+
+
+两个提高LVGL速度的诀窍，第一，把缓存放在AXI SRAM里面而不是SDRAM里面，第二，使用MDMA复制数据。
+
+感谢 “ART-Pi DIY 开源硬件群(1016035998)” 里的 **斌**，**阿达 \^_^**，**Mzx**，**手把手** 的讨论。
+
+
+
+需制作成选项的：
+
+```C
+#define LV_USE_CUSTOM_DMA2D  1
+// 使用时在 stm32h7xx_hal_conf.h 里打开 `#define HAL_DMA2D_MODULE_ENABLED ` 的注释
+
+#define LV_USE_AXI_SRAM
+// 是否使用 AXI SRAM
+
+#define LV_USE_INDEV
+#define LV_USE_TOUCH
+#define LV_TOUCH_NAME	"gt1151"
+
+/* 1: Enable file system (might be required for images */
+#define LV_USE_FILESYSTEM       1
+
+/*1: Show CPU usage and FPS count in the right bottom corner*/
+#define LV_USE_PERF_MONITOR     0
+
+/* Color depth:
+ * - 1:  1 byte per pixel
+ * - 8:  RGB332
+ * - 16: RGB565
+ * - 32: ARGB8888
+ */
+#define LV_COLOR_DEPTH	16
+
+/* Maximal horizontal and vertical resolution to support by the library.*/
+#define LV_HOR_RES_MAX          (480)
+#define LV_VER_RES_MAX          (320)
+
+/* Dot Per Inch: used to initialize default sizes.
+ * E.g. a button with width = LV_DPI / 2 -> half inch wide
+ * (Not so important, you can adjust it to modify default sizes and spaces)*/
+#define LV_DPI              130
+```
+
+更改 lcd_port.h 里的 LCD 驱动参数
+
+
+
+
+
+```C
+rt_size_t touch_gt1151_readpoint(struct rt_touch_device *touch, void *data_buf, rt_size_t touch_num)
+{
+    RT_ASSERT(touch_num == 1);  // only support 1 touch point
+
+    struct gt1151_object *object = (struct gt1151_object *)touch->config.user_data;
+
+    uint8_t status;
+    uint8_t buf[8];
+    uint16_t x = 0, y = 0;
+
+    struct rt_touch_data *pdata = (struct rt_touch_data *)data_buf;
+
+    gt1151_read_regs(object, GT1151_STATUS, &status, 1);
+
+    if (status < 0x80)  // no data get
+        return 0;
+
+    else if (status == 0x80) { // no data get
+        LOG_D("status: %x", status);
+        gt1151_clear_status(object);
+        return 0;
+    }
+    else {
+        gt1151_clear_status(object);
+
+        LOG_D("status: %x", status);
+
+        gt1151_read_regs(object, GT1151_STATUS, buf, 8);
+
+        x = ((uint16_t)buf[3] << 8) + buf[2];
+        y = ((uint16_t)buf[5] << 8) + buf[4];
+
+        if (x > GT1151_TOUCH_WIDTH - 1)  x = GT1151_TOUCH_WIDTH;
+        if (y > GT1151_TOUCH_HEIGHT - 1) y = GT1151_TOUCH_HEIGHT;
+
+        pdata->x_coordinate = x;
+        pdata->y_coordinate = y;
+        pdata->track_id = 1;
+        pdata->event = RT_TOUCH_EVENT_DOWN;
+        pdata->timestamp = rt_touch_get_ts();
+
+        status = 0;
+
+        LOG_D("\t x: %d, y: %d", x, y);
+    }
+    return 1;
+}
+```
+

SConscript

@@ -0,0 +1,24 @@
+import os
+from building import *
+
+cwd = GetCurrentDir()
+
+# init src and inc
+src = []
+inc = []
+
+# add lvgl_rtt common include
+inc += [cwd]
+inc += [cwd + '/inc']
+
+# define LVGL_RTT group
+objs = DefineGroup('lvgl_rtt', src, depend = ['PKG_USING_LVGL_RTT'], CPPPATH = inc)
+
+list = os.listdir(cwd)
+if GetDepend('PKG_USING_LVGL_RTT'):
+    for d in list:
+        path = os.path.join(cwd, d)
+        if os.path.isfile(os.path.join(path, 'SConscript')):
+            objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')

examples/SConscript

@@ -0,0 +1,8 @@
+from building import *
+
+cwd = GetCurrentDir()
+src = Glob('*.c')
+
+group = DefineGroup('lvgl_rtt_example', src, depend = ['LVGL_RTT_USING_EXAMPLE'])
+
+Return('group')