*** EFM32 branch ***

1. Upgrade EFM32 driver libraries (CMSIS and efm32lib): version 2.3.0 -> 2.3.2
2. Upgrade EFM32GG_DK3750 development kit driver library: version 1.2.1 -> 1.2.2
3. Upgrade EFM32_Gxxx_DK development kit driver library: version 1.7.2 -> 1.7.3
4. Add LCD driver (SSD2119) and DEMO
5. Change SPI write format
6. Modify SD card driver due to SPI write format changed
7. Modify building scripts

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1883 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/efm32/graphics/SConscript

@@ -0,0 +1,14 @@
+import rtconfig
+from building import *
+
+if rtconfig.EFM32_LCD == 'Mapped':
+    src = Split("""
+    dmd/ssd2119/dmd_ssd2119_16bit.c
+    dmd/ssd2119/dmdif_ssd2119_ebi16.c
+    """)
+    CPPPATH = [GetCurrentDir()]
+    CPPPATH.append(GetCurrentDir() + '/dmd/ssd2119')
+    group = DefineGroup('EFM32GG_DK3750_LCD', src, depend = [''], CPPPATH = CPPPATH)
+    Return('group')
+else:
+    Return('')