Merge pull request #357 from dinau/lpc23xx-gcc-arm-export

[LPC2368][GCC_ARM] Added export functionality

libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_GCC_ARM/vector_functions.s

@@ -77,7 +77,6 @@ __mbed_dcc_irq:
 Reset_Handler:   
         .extern __libc_init_array
         .extern  SystemInit
-        .extern  __wrap_main
         LDR     R0, =SystemInit
         MOV     LR, PC       
         BX      R0
@@ -86,7 +85,7 @@ Reset_Handler:
         MOV     LR, PC       
         BX      R0
 
-        LDR     R0, =__wrap_main
+        LDR     R0, =main
         BX      R0
 
 __mbed_reset:

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC23XX/serial_api.c

@@ -225,7 +225,7 @@ void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_b
     stop_bits -= 1;
     data_bits -= 5;
 
-    int parity_enable, parity_select;
+    int parity_enable = 0, parity_select = 0;
     switch (parity) {
         case ParityNone: parity_enable = 0; parity_select = 0; break;
         case ParityOdd : parity_enable = 1; parity_select = 0; break;

workspace_tools/export/gcc_arm_lpc2368.tmpl

@@ -0,0 +1,71 @@
+# This file was automagically generated by mbed.org. For more information, 
+# see http://mbed.org/handbook/Exporting-to-GCC-ARM-Embedded
+
+GCC_BIN = 
+PROJECT = {{name}}
+OBJECTS = {% for f in to_be_compiled %}{{f}} {% endfor %}
+SYS_OBJECTS = {% for f in object_files %}{{f}} {% endfor %}
+INCLUDE_PATHS = {% for p in include_paths %}-I{{p}} {% endfor %}
+LIBRARY_PATHS = {% for p in library_paths %}-L{{p}} {% endfor %}
+LIBRARIES = {% for lib in libraries %}-l{{lib}} {% endfor %}
+LINKER_SCRIPT = {{linker_script}}
+
+############################################################################### 
+AS      = $(GCC_BIN)arm-none-eabi-as
+CC      = $(GCC_BIN)arm-none-eabi-gcc
+CPP     = $(GCC_BIN)arm-none-eabi-g++
+LD      = $(GCC_BIN)arm-none-eabi-gcc
+OBJCOPY = $(GCC_BIN)arm-none-eabi-objcopy
+OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump
+SIZE 	= $(GCC_BIN)arm-none-eabi-size
+
+CPU = -mcpu=arm7tdmi-s
+CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections 
+CC_FLAGS += -MMD -MP
+CC_SYMBOLS = {% for s in symbols %}-D{{s}} {% endfor %}
+
+LD_FLAGS = $(CPU) -Wl,--gc-sections --specs=nano.specs -u _printf_float -u _scanf_float
+LD_FLAGS += -Wl,-Map=$(PROJECT).map,--cref -Wl,--entry=_start
+LD_SYS_LIBS = -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys
+
+ifeq ($(DEBUG), 1)
+  CC_FLAGS += -DDEBUG -O0
+else
+  CC_FLAGS += -DNDEBUG -Os
+endif
+
+all: $(PROJECT).bin $(PROJECT).hex size
+
+clean:
+	rm -f $(PROJECT).bin $(PROJECT).elf $(PROJECT).hex $(PROJECT).map $(PROJECT).lst $(OBJECTS) $(DEPS)
+
+.s.o:
+	$(AS) $(CPU) -o $@ $<
+
+.c.o:
+	$(CC)  $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu99   $(INCLUDE_PATHS) -o $@ $<
+
+.cpp.o:
+	$(CPP) $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu++98 $(INCLUDE_PATHS) -o $@ $<
+
+
+$(PROJECT).elf: $(OBJECTS) $(SYS_OBJECTS)
+	$(LD) $(LD_FLAGS) -T$(LINKER_SCRIPT) $(LIBRARY_PATHS) -o $@ $^ $(LIBRARIES) $(LD_SYS_LIBS) $(LIBRARIES) $(LD_SYS_LIBS)
+
+$(PROJECT).bin: $(PROJECT).elf
+	@$(OBJCOPY) -O binary $< $@
+
+$(PROJECT).hex: $(PROJECT).elf
+	@$(OBJCOPY) -O ihex $< $@
+
+$(PROJECT).lst: $(PROJECT).elf
+	@$(OBJDUMP) -dh $< > $@
+
+lst: $(PROJECT).lst
+
+size:
+	$(SIZE) $(PROJECT).elf
+
+DEPS = $(OBJECTS:.o=.d) $(SYS_OBJECTS:.o=.d)
+-include $(DEPS)
+

workspace_tools/export/gccarm.py

@@ -42,6 +42,7 @@ class GccArm(Exporter):
         'UBLOX_C027',
         'ARCH_PRO',
         'NRF51822',
+        'LPC2368',
     ]
 
     DOT_IN_RELATIVE_PATH = True

workspace_tools/export_test.py

@@ -99,6 +99,7 @@ if __name__ == '__main__':
             ('gcc_arm', 'LPC1114'),
             ('gcc_arm', 'LPC11U35_401'),
             ('gcc_arm', 'LPC11U35_501'),
+            ('gcc_arm', 'LPC2368'),
 
             ('gcc_arm', 'STM32F407'),
             ('gcc_arm', 'DISCO_F100RB'),

workspace_tools/toolchains/gcc.py

@@ -173,7 +173,7 @@ class GCC_ARM(GCC):
 
         # Use latest gcc nanolib
         self.ld.append("--specs=nano.specs")
-        if target.name in ["LPC1768", "LPC4088", "LPC4330", "UBLOX_C027"]:
+        if target.name in ["LPC1768", "LPC4088", "LPC4330", "UBLOX_C027", "LPC2368"]:
             self.ld.extend(["-u", "_printf_float", "-u", "_scanf_float"])
 
         self.sys_libs.append("nosys")