Add STM32 to the buildchain

workspace_tools/build_api.py

@@ -144,6 +144,8 @@ CHIP_VENDOR = {
     "LPC812"  : "nxp",
     
     "KL25Z"   : "freescale",
+
+    "STM32F407": "stm",
 }
 
 def build_mbed_libs(target, toolchain, verbose=False):

workspace_tools/data/support.py

@@ -4,10 +4,11 @@ DEFAULT_SUPPORT = {
     "LPC2368" : ["ARM"],
     "KL25Z"   : ["ARM", "GCC_CW"],
     "LPC812"  : ["uARM"],
+    "STM32F407" : ["GCC_ARM"]
 }
 CORTEX_ARM_SUPPORT = {
     "LPC1768" : ["ARM"],
     "LPC11U24": ["ARM", "uARM"],
     "KL25Z"   : ["ARM"],
     "LPC812"  : ["uARM"],
-}
+}

workspace_tools/libraries.py

@@ -34,6 +34,22 @@ LIBRARIES = [
         "dependencies": [MBED_LIBRARIES],
         "supported": DEFAULT_SUPPORT
     },
+
+    # STM
+    {  
+        "id": "stm_cmsis",
+        "source_dir": join(STM, "cmsis"),
+        "build_dir": MBED_LIBRARIES,
+        "supported": DEFAULT_SUPPORT
+    },
+    {  
+        "id": "stm_mbed",
+        "name": "mbed",
+        "source_dir": [join(STM, "capi"), MBED_CAPI, MBED_CPP],
+        "build_dir": MBED_LIBRARIES,
+        "dependencies": [MBED_LIBRARIES],
+        "supported": DEFAULT_SUPPORT
+    },
     
     # RTOS libraries
     {

workspace_tools/paths.py

@@ -19,6 +19,7 @@ MBED_RPC = join(MBED_BASE, "rpc")
 VENDOR = join(MBED_BASE, "vendor")
 NXP = join(VENDOR, "NXP")
 FREESCALE = join(VENDOR, "Freescale")
+STM = join(VENDOR, "STM")
 
 MBED_LIBRARIES = join(BUILD_DIR, "mbed")
 

workspace_tools/toolchains.py

@@ -24,7 +24,7 @@ type directory, because it would get confused with the legacy "ARM" toolchain.
   * ARM  -> ARM_STD
   * uARM -> ARM_MICRO
 """
-TARGETS = set(['LPC1768', 'LPC11U24', 'LPC2368', 'KL25Z', 'LPC812'])
+TARGETS = set(['LPC1768', 'LPC11U24', 'LPC2368', 'KL25Z', 'LPC812', "STM32F407"])
 TOOLCHAINS = set(['ARM', 'uARM', 'GCC_ARM', 'GCC_CS', 'GCC_CR', 'GCC_CW', 'IAR'])
 TYPES = set(['GCC'])
 
@@ -130,6 +130,7 @@ class mbedToolchain:
         "LPC11U24": ["__CORTEX_M0", "ARM_MATH_CM0"],
         "KL25Z"   : ["__CORTEX_M0", "ARM_MATH_CM0"],
         "LPC812"  : ["__CORTEX_M0", "ARM_MATH_CM0"],
+        "STM32F407" : ["__CORTEX_M4", "ARM_MATH_CM4"],
     }
     
     def __init__(self, target, notify=None):
@@ -325,6 +326,8 @@ class mbedToolchain:
             
             if hasattr(self, "cc_extra"):
                 command.extend(self.cc_extra(base))
+
+            print " ".join(command)
             
             self.debug(command)
             _, stderr, rc = run_cmd(command, dirname(object), chroot=self.CHROOT)
@@ -524,6 +527,7 @@ class GCC(mbedToolchain):
         "LPC11U24": "cortex-m0",
         "KL25Z": "cortex-m0",
         "LPC812"  : "cortex-m0",
+        "STM32F407"  : "cortex-m4",
     }
     
     STD_LIB_NAME = "lib%s.a"
@@ -534,7 +538,7 @@ class GCC(mbedToolchain):
         mbedToolchain.__init__(self, target, notify)
         self.IGNORE_DIR.remove('GCC')
         self.cpu = ["-mcpu=%s" % GCC.CPU[target]]
-        if target in ["LPC1768", "LPC11U24", "KL25Z", "LPC812"]:
+        if target in ["LPC1768", "LPC11U24", "KL25Z", "LPC812", "STM32F407"]:
             self.cpu.append("-mthumb")
         
         # Note: We are using "-O2" instead of "-Os" to avoid this known GCC bug:
@@ -627,7 +631,7 @@ class GCC_ARM(GCC):
         
         # Use latest gcc nanolib
         self.ld.append("--specs=nano.specs")
-        if target in ["LPC1768"]:
+        if target in ["LPC1768", "STM32F407"]:
             self.ld.extend(["-u", "_printf_float", "-u", "_scanf_float"])
         
         self.sys_libs.append("nosys")