Template Makefile project for STM8 SDCC builds

libsrc_Makefile

CC = sdcc
AR = sdar

BUILD_DIR = ./build
SRC_DIR = ./src
INC_DIR = ./inc

CHIP = STM8S103
CFLAGS = -mstm8 -I$(INC_DIR) -D$(CHIP) -c

ARFLAGS = -rc

STDLIB_URL = http://www.st.com/st-web-ui/static/active/en/st_prod_software_internet/resource/technical/software/firmware/stsw-stm8069.zip

STDLIB_ZIP = stm8s_stdlib.zip

BUILD_ARTIFACTS = $(BUILD_DIR) $(SRC_DIR) $(INC_DIR) $(STDLIB_ZIP)

OBJLIB = stm8s_stdlib.a

SRC_FILES = stm8s_awu.c stm8s_beep.c stm8s_clk.c stm8s_exti.c stm8s_flash.c stm8s_gpio.c stm8s_i2c.c stm8s_itc.c stm8s_iwdg.c stm8s_rst.c stm8s_spi.c stm8s_tim1.c stm8s_wwdg.c

ifeq ($(CHIP), $(filter $(CHIP), STM8S105 STM8S005 STM8S103 STM8S003 STM8S903 STM8AF626x))
	SRC_FILES += stm8s_adc1.c
endif
ifeq ($(CHIP), $(filter $(CHIP), STM8S208 STM8S207 STM8S007 STM8AF52Ax STM8AF62Ax))
	SRC_FILES += stm8s_adc2.c
endif
ifeq ($(CHIP), $(filter $(CHIP), STM8S208 STM8AF52Ax))
	SRC_FILES += stm8s_can.c
endif
ifneq ($(CHIP), STM8S903)
	SRC_FILES += stm8s_tim2.c
endif
ifeq ($(CHIP), $(filter $(CHIP), STM8S208 STM8S207 STM8S007 STM8S105 STM8S005 STM8AF52Ax STM8AF62Ax STM8AF626x))
	SRC_FILES += stm8s_tim3.c
endif
ifneq ($(CHIP), STM8S903)
	SRC_FILES += stm8s_tim4.c
endif
ifeq ($(CHIP), STM8S903)
	SRC_FILES += stm8s_tim5.c stm8s_tim6.c
endif
ifeq ($(CHIP), $(filter $(CHIP), STM8S208 STM8S207 STM8S007 STM8S103 STM8S003 STM8S903 STM8AF52Ax STM8AF62Ax))
	SRC_FILES += stm8s_uart1.c
endif
ifeq ($(CHIP), $(filter $(CHIP), STM8S105 STM8S005 STM8AF626x))
	SRC_FILES += stm8s_uart2.c
endif
ifeq ($(CHIP), $(filter $(CHIP), STM8S208 STM8S207 STM8S007 STM8AF52Ax STM8AF62Ax))
	SRC_FILES += stm8s_uart3.c
endif

OBJ_FILES = $(SRC_FILES:%.c=%.rel)



all: $(OBJLIB)

$(STDLIB_ZIP):
	@echo "---- Downloading STM8 StdLib"
	wget -O $(STDLIB_ZIP) $(STDLIB_URL)

unzip: $(STDLIB_ZIP)
	@echo "---- Unzipping STM8 StdLib contents"
	unzip -j -o $(STDLIB_ZIP) 'STM8S_StdPeriph_Lib/Libraries/STM8S_StdPeriph_Driver/inc/*' -d $(INC_DIR)
	unzip -j -o $(STDLIB_ZIP) 'STM8S_StdPeriph_Lib/Libraries/STM8S_StdPeriph_Driver/src/*' -d $(SRC_DIR)
	unzip -j -o $(STDLIB_ZIP) 'STM8S_StdPeriph_Lib/Project/STM8S_StdPeriph_Template/stm8s_conf.h'

patch:
	@echo "---- Patching STM8 StdLib for SDCC"
	patch --binary $(INC_DIR)/stm8s.h < stm8s.h.patch
	patch --binary $(SRC_DIR)/stm8s_itc.c < stm8s_itc.c.patch
	patch --binary stm8s_conf.h < stm8s_conf.h.patch
	mv stm8s_conf.h inc/stm8s_conf.h

prepare: unzip patch
	@echo "---- Creating build dir"
	mkdir -p $(BUILD_DIR)

clean:
	@echo "---- Cleaning up directory"
	rm -rf $(BUILD_ARTIFACTS)


$(OBJLIB): $(addprefix $(BUILD_DIR)/, $(OBJ_FILES))
	@echo "---- Linking *.rel files into library"
	$(AR) $(ARFLAGS) $(OBJLIB) $^
	
$(BUILD_DIR)/%.rel: $(SRC_DIR)/%.c
	$(CC) -o $@ $(CFLAGS) $^


$(SRC_DIR)/%.c: prepare

	
.PHONY: all unzip patch prepare clean


.PRECIOUS: $(SRC_DIR)/%.c

libsrc_stm8s.h.patch

--- inc/stm8s.h	2014-09-19 12:45:10.426176737 +0200
+++ stm8s.h.sdcc	2014-09-19 12:20:51.914610927 +0200
@@ -75,6 +75,8 @@
  #define _RAISONANCE_
 #elif defined(__ICCSTM8__)
  #define _IAR_
+#elif defined(SDCC)
+ #define _SDCC_
 #else
  #error "Unsupported Compiler!"          /* Compiler defines not found */
 #endif
@@ -127,7 +129,14 @@
  #else /* STM8S903, STM8S103, STM8S003, STM8S105, STM8AF626x */
   /*!< Used with memory Models for code less than 64K */
   #define MEMCPY memcpy
- #endif /* STM8S208 or STM8S207 or STM8S007 or STM8AF62Ax or STM8AF52Ax */ 
+ #endif /* STM8S208 or STM8S207 or STM8S007 or STM8AF62Ax or STM8AF52Ax */
+#elif defined (_SDCC_)
+ #define FAR  __far
+ // Apparently, SDCC gets confused by __near
+ #define NEAR
+ #define TINY __tiny
+ #define EEPROM __eeprom
+ #define CONST  const
 #else /*_IAR_*/
  #define FAR  __far
  #define NEAR __near
@@ -195,6 +204,9 @@
 #define     __O     volatile         /*!< defines 'write only' permissions    */
 #define     __IO    volatile         /*!< defines 'read / write' permissions  */
 
+#if defined(_SDCC_)
+#include <stdint.h>
+#else
 /*!< Signed integer types  */
 typedef   signed char     int8_t;
 typedef   signed short    int16_t;
@@ -204,6 +216,7 @@
 typedef unsigned char     uint8_t;
 typedef unsigned short    uint16_t;
 typedef unsigned long     uint32_t;
+#endif
 
 /*!< STM8 Standard Peripheral Library old types (maintained for legacy purpose) */
 
@@ -2615,6 +2628,15 @@
  #define trap()                {_asm("trap\n");} /* Trap (soft IT) */
  #define wfi()                 {_asm("wfi\n");}  /* Wait For Interrupt */
  #define halt()                {_asm("halt\n");} /* Halt */
+#elif defined(_SDCC_)
+ #define enableInterrupts()    {__asm__("rim\n");}  /* enable interrupts */
+ #define disableInterrupts()   {__asm__("sim\n");}  /* disable interrupts */
+ #define rim()                 {__asm__("rim\n");}  /* enable interrupts */
+ #define sim()                 {__asm__("sim\n");}  /* disable interrupts */
+ #define nop()                 {__asm__("nop\n");}  /* No Operation */
+ #define trap()                {__asm__("trap\n");} /* Trap (soft IT) */
+ #define wfi()                 {__asm__("wfi\n");}  /* Wait For Interrupt */
+ #define halt()                {__asm__("halt\n");} /* Halt */
 #else /*_IAR_*/
  #include <intrinsics.h>
  #define enableInterrupts()    __enable_interrupt()   /* enable interrupts */

libsrc_stm8s_conf.h.patch

--- stm8s_conf.h	2014-10-21 17:31:56.000000000 +0200
+++ stm8s_conf_assert.h	2016-08-17 23:39:20.000000000 +0200
@@ -90,7 +90,7 @@
 /* Exported constants --------------------------------------------------------*/
 /* Uncomment the line below to expanse the "assert_param" macro in the
    Standard Peripheral Library drivers code */
-#define USE_FULL_ASSERT    (1) 
+// #define USE_FULL_ASSERT    (1)
 
 /* Exported macro ------------------------------------------------------------*/
 #ifdef  USE_FULL_ASSERT

libsrc_stm8s_itc.c.patch

--- src/stm8s_itc.c	2014-09-19 12:45:04.266068330 +0200
+++ stm8s_itc.c	2014-09-19 12:51:29.280254183 +0200
@@ -49,6 +49,9 @@
   return; /* Ignore compiler warning, the returned value is in A register */
 #elif defined _RAISONANCE_ /* _RAISONANCE_ */
   return _getCC_();
+#elif defined ( _SDCC_ )
+  __asm__("push cc");
+  __asm__("pop a");
 #else /* _IAR_ */
   asm("push cc");
   asm("pop a"); /* Ignore compiler warning, the returned value is in A register */

Makefile

SDCC = sdcc
STM8FLASH = stm8flash
STLINK=stlinkv2

CHIP = STM8S103
CHIP_TYPE = STM8S103F3
CHIP_TYPE_LCASE  = $(shell echo $(CHIP_TYPE) | tr '[:upper:]' '[:lower:]')

CFLAGS = -lstm8 -mstm8 -L./libsrc/build/ -l./libsrc/stm8s_stdlib.a -I./libsrc/inc -D$(CHIP) -DUSE_STDPERIPH_DRIVER

MAIN_SOURCE = launcher 
SOURCES = lcd slider keypad

all: clean build

build: $(MAIN_SOURCE:=.ihx)

$(MAIN_SOURCE:=.ihx): $(MAIN_SOURCE:=.rel) $(SOURCES:=.rel)
	$(SDCC) $(CFLAGS) --out-fmt-ihx $(MAIN_SOURCE:=.rel) $(SOURCES:=.rel)

clean:
	rm -f *.ihx *.lk *.lst *.map *.rel *.rst *.sym *.asm

flash: $(MAIN_SOURCE:=.ihx)
	$(STM8FLASH) -c $(STLINK) -p $(CHIP_TYPE_LCASE) -w $(MAIN_SOURCE:=.ihx)

unlock:
	echo "00 00 ff 00 ff 00 ff 00 ff 00 ff" | xxd -r -p > factory_defaults.bin
	$(STM8FLASH) -c $(STLINK) -p $(CHIP_TYPE_LCASE) -s opt -w factory_defaults.bin
	rm factory_defaults.bin

%.rel: %.c
	$(SDCC) -c $(CFLAGS) $<

lib:

Thank you