feat: improved build process

.gitignore

@@ -3,5 +3,6 @@
 *.elf
 *.DS_Store
 *.d
+build/
 
 README.md

Makefile

@@ -1,106 +1,53 @@
-#  Part of Grbl
-#
-#  Copyright (c) 2009-2011 Simen Svale Skogsrud
-#  Copyright (c) 2012-2016 Sungeun K. Jeon for Gnea Research LLC
-#
-#  Grbl is free software: you can redistribute it and/or modify
-#  it under the terms of the GNU General Public License as published by
-#  the Free Software Foundation, either version 3 of the License, or
-#  (at your option) any later version.
-#
-#  Grbl is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with Grbl.  If not, see <http://www.gnu.org/licenses/>.
+PROJECT_NAME = grbl
+SRC_DIR = $(PROJECT_NAME)
+INO_FILE = $(PROJECT_NAME)/grbl.ino
+BUILD_DIR = build
+BOARD = arduino:avr:uno
 
+PORT = $(shell ls /dev/cu.usbmodem* 2>/dev/null | head -n 1)
 
-# This is a prototype Makefile. Modify it according to your needs.
-# You should at least check the settings for
-# DEVICE ....... The AVR device you compile for
-# CLOCK ........ Target AVR clock rate in Hertz
-# OBJECTS ...... The object files created from your source files. This list is
-#                usually the same as the list of source files with suffix ".o".
-# PROGRAMMER ... Options to avrdude which define the hardware you use for
-#                uploading to the AVR and the interface where this hardware
-#                is connected.
-# FUSES ........ Parameters for avrdude to flash the fuses appropriately.
+# Default build target
+.PHONY: all
+all: build_rcmini build_bamboo
 
-DEVICE     ?= atmega328p
-CLOCK      = 16000000
-PROGRAMMER ?= -c avrisp2 -P usb
-SOURCE    = main.c motion_control.c gcode.c spindle_control.c coolant_control.c serial.c \
-             protocol.c stepper.c eeprom.c settings.c planner.c nuts_bolts.c limits.c jog.c\
-             print.c probe.c report.c system.c
-BUILDDIR = build
-SOURCEDIR = grbl
-# FUSES      = -U hfuse:w:0xd9:m -U lfuse:w:0x24:m
-FUSES      = -U hfuse:w:0xd2:m -U lfuse:w:0xff:m
+# Build target for RC Mini
+.PHONY: build_rcmini
+build_rcmini:
+	@mkdir -p $(BUILD_DIR)
+	@arduino-cli compile --fqbn $(BOARD) --build-path $(BUILD_DIR)/rcmini --build-property compiler.cpp.extra_flags="-DMACHINE_TYPE=RCMINI" $(INO_FILE)
+	@mv $(BUILD_DIR)/rcmini/$(PROJECT_NAME).ino.hex $(BUILD_DIR)/rcmini.hex
+	@echo "Built RC Mini firmware: $(BUILD_DIR)/rcmini.hex"
 
-# Tune the lines below only if you know what you are doing:
+# Build target for Bamboo
+.PHONY: build_bamboo
+build_bamboo:
+	@mkdir -p $(BUILD_DIR)
+	@arduino-cli compile --fqbn $(BOARD) --build-path $(BUILD_DIR)/bamboo --build-property compiler.cpp.extra_flags="-DMACHINE_TYPE=BAMBOO" $(INO_FILE)
+	@mv $(BUILD_DIR)/bamboo/$(PROJECT_NAME).ino.hex $(BUILD_DIR)/bamboo.hex
+	@echo "Built Bamboo firmware: $(BUILD_DIR)/bamboo.hex"
 
-AVRDUDE = avrdude $(PROGRAMMER) -p $(DEVICE) -B 10 -F
+# Flash RC Mini firmware
+.PHONY: flash_rcmini
+flash_rcmini: build_rcmini
+ifdef PORT
+	@arduino-cli upload -p $(PORT) --fqbn $(BOARD) --input-dir $(BUILD_DIR)/rcmini --verbose
+	@echo "Flashed RC Mini firmware to $(PORT)"
+else
+	@echo "Error: Arduino not found"
+endif
 
-# Compile flags for avr-gcc v4.8.1. Does not produce -flto warnings.
-# COMPILE = avr-gcc -Wall -Os -DF_CPU=$(CLOCK) -mmcu=$(DEVICE) -I. -ffunction-sections
-
-# Compile flags for avr-gcc v4.9.2 compatible with the IDE. Or if you don't care about the warnings. 
-COMPILE = avr-gcc -Wall -Os -DF_CPU=$(CLOCK) -mmcu=$(DEVICE) -I. -ffunction-sections -flto
-
-
-OBJECTS = $(addprefix $(BUILDDIR)/,$(notdir $(SOURCE:.c=.o)))
-
-# symbolic targets:
-all:	grbl.hex
-
-$(BUILDDIR)/%.o: $(SOURCEDIR)/%.c
-	$(COMPILE) -MMD -MP -c $< -o $@
-
-.S.o:
-	$(COMPILE) -x assembler-with-cpp -c $< -o $(BUILDDIR)/$@
-# "-x assembler-with-cpp" should not be necessary since this is the default
-# file type for the .S (with capital S) extension. However, upper case
-# characters are not always preserved on Windows. To ensure WinAVR
-# compatibility define the file type manually.
-
-#.c.s:
-	$(COMPILE) -S $< -o $(BUILDDIR)/$@
-
-flash:	all
-	$(AVRDUDE) -U flash:w:grbl.hex:i
-
-fuse:
-	$(AVRDUDE) $(FUSES)
-
-# Xcode uses the Makefile targets "", "clean" and "install"
-install: flash fuse
-
-# if you use a bootloader, change the command below appropriately:
-load: all
-	bootloadHID grbl.hex
+# Flash Bamboo firmware
+.PHONY: flash_bamboo
+flash_bamboo: build_bamboo
+ifdef PORT
+	@arduino-cli upload -p $(PORT) --fqbn $(BOARD) --input-dir $(BUILD_DIR)/bamboo --verbose
+	@echo "Flashed Bamboo firmware to $(PORT)"
+else
+	@echo "Error: Arduino not found"
+endif
 
+# Clean the build files
+.PHONY: clean
 clean:
-	rm -f grbl.hex $(BUILDDIR)/*.o $(BUILDDIR)/*.d $(BUILDDIR)/*.elf
-
-# file targets:
-$(BUILDDIR)/main.elf: $(OBJECTS)
-	$(COMPILE) -o $(BUILDDIR)/main.elf $(OBJECTS) -lm -Wl,--gc-sections
-
-grbl.hex: $(BUILDDIR)/main.elf
-	rm -f grbl.hex
-	avr-objcopy -j .text -j .data -O ihex $(BUILDDIR)/main.elf grbl.hex
-	avr-size --format=berkeley $(BUILDDIR)/main.elf
-# If you have an EEPROM section, you must also create a hex file for the
-# EEPROM and add it to the "flash" target.
-
-# Targets for code debugging and analysis:
-disasm:	main.elf
-	avr-objdump -d $(BUILDDIR)/main.elf
-
-cpp:
-	$(COMPILE) -E $(SOURCEDIR)/main.c
-
-# include generated header dependencies
--include $(BUILDDIR)/$(OBJECTS:.o=.d)
+	@rm -rf $(BUILD_DIR)
+	@echo "Build directory cleaned"

build/.gitignore

@@ -1,4 +0,0 @@
-# Ignore everything in this directory
-*
-# Except this file
-!.gitignore

grbl/config.h

@@ -29,13 +29,15 @@
 #define config_h
 #include "grbl.h" // For Arduino IDE compatibility.
 
-enum MachineType {
-  RCMINI,
-  BAMBOO
-}
-
-#define MACHINE_TYPE MachineType::BAMBOO
+typedef enum {
+    RCMINI,
+    BAMBOO
+} machine;
 
+// ? Default machine type to RCMINI if not provided by compiler
+#ifndef MACHINE_TYPE
+#define MACHINE_TYPE RCMINI
+#endif
 
 // Define CPU pin map and default settings.
 // NOTE: OEMs can avoid the need to maintain/update the defaults.h and cpu_map.h files and use only

grbl/examples/grblUpload/grblUpload.ino

@@ -1,5 +1,5 @@
 /***********************************************************************
-This sketch compiles and uploads Grbl to your 328p-based Arduino! 
+This sketch compiles and uploads Grbl to your 328p-based Arduino!
 
 To use:
 - First make sure you have imported Grbl source code into your Arduino
@@ -13,12 +13,12 @@ To use:
 
 For advanced users:
   If you'd like to see what else Grbl can do, there are some additional
-  options for customization and features you can enable or disable. 
-  Navigate your file system to where the Arduino IDE has stored the Grbl 
-  source code files, open the 'config.h' file in your favorite text 
+  options for customization and features you can enable or disable.
+  Navigate your file system to where the Arduino IDE has stored the Grbl
+  source code files, open the 'config.h' file in your favorite text
   editor. Inside are dozens of feature descriptions and #defines. Simply
   comment or uncomment the #defines or alter their assigned values, save
-  your changes, and then click 'Upload' here. 
+  your changes, and then click 'Upload' here.
 
 Copyright (c) 2015 Sungeun K. Jeon
 Released under the MIT-license. See license.txt for details.

grbl/grbl.ino

@@ -0,0 +1 @@
+#include "grbl.h"

grbl/limits.c

@@ -97,7 +97,7 @@ uint8_t limits_get_state()
 
 uint8_t pinch_roller_get_state()
 {
-  if (MACHINE_TYPE === MachineType::BAMBOO) 
+  if (MACHINE_TYPE == BAMBOO) 
   {
     // Check PC3 state
     if (PINC & (1 << PINC3)) 

grbl/report.c

@@ -369,7 +369,7 @@ void report_execute_startup_message(char *line, uint8_t status_code)
 // Prints build info line
 void report_build_info(char *line)
 {
-  printPgmString(PSTR("[VER:" GRBL_VERSION "." GRBL_VERSION_BUILD ":" MACHINE_TYPE ":" ));
+  printPgmString(PSTR("[VER:" GRBL_VERSION "." GRBL_VERSION_BUILD ":"));
   printString(line);
   report_util_feedback_line_feed();
   printPgmString(PSTR("[OPT:")); // Generate compile-time build option list

grbl/spi.h

@@ -1,2 +1,6 @@
+#ifndef spi_h
+#define spi_h
 
-void motor_spi_init();
+void motor_spi_init();
+
+#endif

grbl/vcm.c

@@ -2,7 +2,7 @@
 
 void vcm_init()
 {
-    if (MACHINE_TYPE === MachineType::BAMBOO) 
+    if (MACHINE_TYPE == BAMBOO) 
     {
         DDRD |= (1 << DDD7);
         // Set pin 7 to HIGH

grbl/vcm.h

@@ -1,2 +1,6 @@
+#ifndef vcm_h
+#define vcm_h
 
-void vcm_init();
+void vcm_init();
+
+#endif