feat(rtthread): prepare for porting the device-driver of rt-thread (#2719)

rt-thread/SConscript

@@ -8,13 +8,10 @@ cwd = GetCurrentDir()
 
 src = []
 inc = []
-LOCAL_CCFLAGS = ''
 
 lvgl_cwd = cwd + '/../'
 lvgl_src_cwd = lvgl_cwd + 'src/'
 
-src = src + Glob('*.c')
-inc = inc + [cwd]
 inc = inc + [lvgl_src_cwd]
 
 for root, dirs, files in os.walk(lvgl_src_cwd):
@@ -22,6 +19,7 @@ for root, dirs, files in os.walk(lvgl_src_cwd):
         src = src + Glob(os.path.join(root,dir,'*.c'))
         inc = inc + [os.path.join(root,dir)]
 
+LOCAL_CCFLAGS = ''
 if rtconfig.CROSS_TOOL == 'gcc':
     LOCAL_CCFLAGS += ' -std=c99'
 elif rtconfig.CROSS_TOOL == 'keil':
@@ -29,6 +27,10 @@ elif rtconfig.CROSS_TOOL == 'keil':
 
 group = DefineGroup('LVGL', src, depend = ['PKG_USING_LVGL'], CPPPATH = inc, LOCAL_CCFLAGS = LOCAL_CCFLAGS)
 
+port_src = Glob('*.c')
+port_inc = [cwd]
+group = group + DefineGroup('LVGL-port', port_src, depend = ['PKG_USING_LVGL'], CPPPATH = port_inc)
+
 list = os.listdir(cwd)
 for d in list:
     path = os.path.join(cwd, d)

rt-thread/lv_rt_thread_port.c

@@ -16,6 +16,13 @@
 #define DBG_LVL    DBG_INFO
 #include <rtdbg.h>
 
+#ifndef PKG_USING_LVGL_DISP_DEVICE
+#  include <lv_port_disp.h>
+#endif
+#ifndef PKG_USING_LVGL_INDEV_DEVICE
+#  include <lv_port_indev.h>
+#endif
+
 #if LV_USE_LOG && LV_LOG_PRINTF
 static void lv_rt_log(const char *buf)
 {
@@ -29,6 +36,15 @@ static int lv_port_init(void)
     lv_log_register_print_cb(lv_rt_log);
 #endif
 
+    lv_init();
+
+#ifndef PKG_USING_LVGL_DISP_DEVICE
+    lv_port_disp_init();
+#endif
+#ifndef PKG_USING_LVGL_INDEV_DEVICE
+    lv_port_indev_init();
+#endif
+
     return 0;
 }
 INIT_COMPONENT_EXPORT(lv_port_init);