Introduce a Makefile for the OS_NONE device example

It currently supports the SAMD21 and SAMD51 only. More will be
added later.

3 files changed, 127 insertions, 2 deletions

diff --git a/examples/device/cdc_msc_hid/Makefile b/examples/device/cdc_msc_hid/Makefile
new file mode 100644
index 000000000..4fddc1a14
--- /dev/null
+++ b/examples/device/cdc_msc_hid/Makefile
@@ -0,0 +1,122 @@
+include ../../../tools/top.mk
+
+# Select the board to build for.
+ifeq ($(BOARD),)
+  $(error You must provide a BOARD parameter)
+else
+  ifeq ($(wildcard $(TOP)/hw/bsp/$(BOARD)/.),)
+    $(error Invalid BOARD specified)
+  endif
+endif
+
+# If the build directory is not given, make it reflect the board name.
+BUILD ?= build-$(BOARD)
+
+CROSS_COMPILE = arm-none-eabi-
+
+include $(TOP)/hw/bsp/$(BOARD)/board.mk
+
+CC = $(CROSS_COMPILE)gcc
+CXX = $(CROSS_COMPILE)g++
+LD = $(CROSS_COMPILE)ld
+OBJCOPY = $(CROSS_COMPILE)objcopy
+MKDIR = mkdir
+SED = sed
+CP = cp
+RM = rm
+
+INC += -Isrc \
+	-I$(TOP)/hw \
+	-I$(TOP)/src
+
+CFLAGS += \
+	-fsingle-precision-constant \
+	-fno-strict-aliasing \
+	-Wdouble-promotion \
+	-Wno-endif-labels \
+	-Wstrict-prototypes \
+	-Werror-implicit-function-declaration \
+	-Wfloat-equal \
+	-Wundef \
+	-Wshadow \
+	-Wwrite-strings \
+	-Wsign-compare \
+	-Wmissing-format-attribute \
+	-Wno-deprecated-declarations \
+	-Wnested-externs \
+	-Wunreachable-code \
+	-Wcast-align \
+	-Wno-error=lto-type-mismatch \
+	-ffunction-sections \
+	-fdata-sections
+
+#Debugging/Optimization
+ifeq ($(DEBUG), 1)
+  CFLAGS += -O0 -ggdb
+else
+  CFLAGS += -flto -Os
+endif
+
+CFLAGS += $(INC) -Wall -Werror -std=gnu11 -nostdlib -DBOARD_$(shell echo $(BOARD) | tr a-z A-Z)
+
+LDFLAGS += $(CFLAGS) -nostartfiles -fshort-enums -Wl,-T,$(TOP)/$(LD_FILE) -Wl,[email protected] -Wl,-cref -Wl,-gc-sections -specs=nosys.specs -specs=nano.specs
+LIBS := -lgcc -lc -lm -lnosys
+
+EXAMPLE_SOURCE += \
+	src/main.c \
+	src/msc_app.c \
+	src/msc_disk_ram.c \
+	src/tusb_descriptors.c
+
+SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
+
+LIB_SOURCE += \
+	hw/bsp/$(BOARD)/board_$(BOARD).c \
+	src/common/tusb_fifo.c \
+	src/device/usbd.c \
+	src/device/usbd_auto_desc.c \
+	src/device/usbd_control.c \
+	src/class/msc/msc_device.c \
+	src/class/cdc/cdc_device.c \
+	src/class/hid/hid_device.c \
+	src/tusb.c \
+	src/portable/$(VENDOR)/$(CHIP_FAMILY)/dcd_$(CHIP_FAMILY).c \
+	src/portable/$(VENDOR)/$(CHIP_FAMILY)/hal_$(CHIP_FAMILY).c
+
+SRC_C += $(LIB_SOURCE)
+
+OBJ = $(addprefix $(BUILD)/obj/, $(SRC_C:.c=.o))
+OBJ += $(addprefix $(BUILD)/obj/, $(SRC_S:.s=.o))
+
+all: $(BUILD)/$(BOARD)-firmware.bin
+
+OBJ_DIRS = $(sort $(dir $(OBJ)))
+$(OBJ): | $(OBJ_DIRS)
+$(OBJ_DIRS):
+	@$(MKDIR) -p $@
+
+$(BUILD)/$(BOARD)-firmware.elf: $(OBJ)
+	@echo LINK $@
+	@$(CC) -o $@ $(LDFLAGS) $^ -Wl,--start-group $(LIBS) -Wl,--end-group
+
+$(BUILD)/$(BOARD)-firmware.bin: $(BUILD)/$(BOARD)-firmware.elf
+	@echo CREATE $@
+	$(OBJCOPY) -O binary -j .vectors -j .text -j .data $^ $@
+
+# We set vpath to point to the top of the tree so that the source files
+# can be located. By following this scheme, it allows a single build rule
+# to be used to compile all .c files.
+vpath %.c . $(TOP)
+$(BUILD)/obj/%.o: %.c
+	@echo CC $@
+	@$(CC) $(CFLAGS) -c -MD -o $@ $<
+	@# The following fixes the dependency file.
+	@# See http://make.paulandlesley.org/autodep.html for details.
+	@# Regex adjusted from the above to play better with Windows paths, etc.
+	@$(CP) $(@:.o=.d) $(@:.o=.P); \
+	  $(SED) -e 's/#.*//' -e 's/^.*:  *//' -e 's/ *\\$$//' \
+	      -e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.d) >> $(@:.o=.P); \
+	  $(RM) $(@:.o=.d)
+
+clean:
+	rm -rf build-$(BOARD)
diff --git a/examples/device/cdc_msc_hid/src/main.c b/examples/device/cdc_msc_hid/src/main.c
index 4c8730242..9d3e088cf 100644
--- a/examples/device/cdc_msc_hid/src/main.c
+++ b/examples/device/cdc_msc_hid/src/main.c
@@ -49,6 +49,9 @@
 void print_greeting(void);
 void led_blinking_task(void);
 
+extern void virtual_com_task(void);
+extern void usb_hid_task(void);
+
 /*------------- MAIN -------------*/
 int main(void)
 {
@@ -64,12 +67,10 @@ int main(void)
     led_blinking_task();
 
 #if CFG_TUD_CDC
-    extern void virtual_com_task(void);
     virtual_com_task();
 #endif
 
 #if CFG_TUD_HID
-    extern void usb_hid_task(void);
     usb_hid_task();
 #endif
   }
diff --git a/examples/device/cdc_msc_hid/src/tusb_config.h b/examples/device/cdc_msc_hid/src/tusb_config.h
index 9bc97ecff..0aa023352 100644
--- a/examples/device/cdc_msc_hid/src/tusb_config.h
+++ b/examples/device/cdc_msc_hid/src/tusb_config.h
@@ -39,6 +39,7 @@
 #ifndef _TUSB_CONFIG_H_
 #define _TUSB_CONFIG_H_
 
+#include "tusb_option.h"
 #include "bsp/board.h"
 
 #ifdef __cplusplus
@@ -96,6 +97,7 @@
 //------------- CLASS -------------//
 #define CFG_TUD_CDC                 1
 #define CFG_TUD_MSC                 1
+#define CFG_TUD_CUSTOM_CLASS        0
 
 #define CFG_TUD_HID                 0
 #define CFG_TUD_HID_KEYBOARD        0