add gd32303e-eval BSP

bsp/gd32303e-eval/Libraries/SConscript

@@ -0,0 +1,36 @@
+import rtconfig
+from building import *
+
+# get current directory
+cwd = GetCurrentDir()
+
+# The set of source files associated with this SConscript file.
+
+src = Glob('GD32F30x_standard_peripheral/Source/*.c')
+src += [cwd + '/CMSIS/GD/GD32F30x/Source/system_gd32f30x.c']
+
+#add for startup script
+if rtconfig.CROSS_TOOL == 'gcc':
+    print('=================================================')
+    print('Not support gcc yet !')
+    print('=================================================')
+    exit(0)
+elif rtconfig.CROSS_TOOL == 'keil':
+    src += [cwd + '/CMSIS/GD/GD32F30x/Source/ARM/startup_gd32f30x_hd.s']
+elif rtconfig.CROSS_TOOL == 'iar':
+    src += [cwd + '/CMSIS/GD/GD32F30x/Source/IAR/startup_gd32f30x_hd.s']
+
+path = [
+    cwd + '/CMSIS/GD/GD32F30x/Include',
+    cwd + '/CMSIS',
+    cwd + '/GD32F30x_standard_peripheral/Include',]
+    
+if GetDepend(['RT_USING_BSP_USB']):
+    path += [cwd + '/GD32F30x_usb_driver/Include']
+    src  += [cwd + '/GD32F30x_usb_driver/Source']
+
+CPPDEFINES = ['USE_STDPERIPH_DRIVER', 'GD32F30X_HD']
+
+group = DefineGroup('GD32_Lib', src, depend = [''], CPPPATH = path, CPPDEFINES = CPPDEFINES)
+
+Return('group')