board: add support for the Arduino Nano Matter

boards.txt

@@ -527,6 +527,72 @@ opta.debug.server.openocd.scripts.2=target/stm32h7x_dual_bank.cfg
 opta.debug.cortex-debug.custom.request=attach
 opta.debug.svd_file={runtime.platform.path}/svd/STM32H747_CM7.svd
 
+##########################################################################################
+
+nano_matter.name=Arduino Nano Matter
+nano_matter.build.core=arduino
+nano_matter.build.crossprefix=arm-zephyr-eabi-
+nano_matter.build.compiler_path={runtime.tools.arm-zephyr-eabi-0.16.8.path}/bin/
+
+nano_matter.menu.debug.false=Standard
+nano_matter.menu.debug.true=Debug
+nano_matter.menu.debug.true.build.zsk_args.debug=-debug
+
+nano_matter.menu.link_mode.dynamic=Dynamic
+nano_matter.menu.link_mode.static=Static
+nano_matter.menu.link_mode.static.build.link_mode=static
+nano_matter.menu.link_mode.static.upload.extension=bin-zsk.bin
+
+nano_matter.build.zephyr_target=arduino_nano_matter
+nano_matter.build.zephyr_args=
+nano_matter.build.zephyr_hals=hal_silabs
+nano_matter.build.variant=arduino_nano_matter_mgm240sd22vna
+nano_matter.build.mcu=cortex-m33
+nano_matter.build.fpu=-mfpu=fpv4-sp-d16
+nano_matter.build.architecture=cortex-m33
+
+nano_matter.build.float-abi=-mfloat-abi=hard
+nano_matter.build.extra_flags=
+nano_matter.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
+nano_matter.build.architecture=cortex-m33
+nano_matter.build.board=ARDUINO_NANO_MATTER
+nano_matter.vid.0=0x2341
+nano_matter.pid.0=0x0072
+nano_matter.upload_port.0.vid=0x2341
+nano_matter.upload_port.0.pid=0x0072
+
+nano_matter.upload.tool=sl_openocd
+nano_matter.upload.tool.default=sl_openocd
+nano_matter.upload.maximum_data_size=262144
+nano_matter.upload.maximum_size=1572864
+nano_matter.upload.address=0x080C4000
+nano_matter.upload.protocol=SWD
+nano_matter.upload.setup_command=
+nano_matter.upload.use_1200bps_touch=false
+nano_matter.upload.wait_for_upload_port=false
+nano_matter.upload.native_usb=false
+
+nano_matter.bootloader.tool=sl_openocd
+nano_matter.bootloader.tool.default=sl_openocd
+nano_matter.bootloader.vid=0x2341
+nano_matter.bootloader.pid=0x0072
+nano_matter.bootloader.interface=0
+nano_matter.bootloader.file=zephyr-{build.variant}.hex
+nano_matter.bootloader.target=arduino_nano_matter
+
+nano_matter.debug.server=openocd
+nano_matter.debug.server.openocd.scripts.0=interface/cmsis-dap.cfg
+nano_matter.debug.server.openocd.scripts.1=target/efm32s2_g23.cfg
+nano_matter.debug.cortex-debug.custom.postAttachCommands.0=monitor reset halt
+#nano_matter.debug.cortex-debug.custom.postAttachCommands.1=monitor reset_config srst_nogate
+#nano_matter.debug.cortex-debug.custom.postAttachCommands.2=monitor gdb_breakpoint_override hard
+nano_matter.debug.cortex-debug.custom.postAttachCommands.3=monitor gdb_sync
+nano_matter.debug.cortex-debug.custom.postAttachCommands.4=c
+nano_matter.debug.cortex-debug.custom.overrideRestartCommands.0=monitor reset halt
+nano_matter.debug.cortex-debug.custom.overrideRestartCommands.1=monitor gdb_sync
+nano_matter.debug.cortex-debug.custom.overrideRestartCommands.2=c
+nano_matter.debug.cortex-debug.custom.request=attach
+
 ##############################################################################################################
 
 unoq.name=Arduino UNO Q

cores/arduino/threads.cpp

@@ -12,10 +12,17 @@ void start_static_threads() {
 	STRUCT_SECTION_FOREACH (_static_thread_data, thread_data)
 
 	_FOREACH_STATIC_THREAD(thread_data) {
+#ifdef CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME
+		k_timeout_t init_delay = K_MSEC(thread_data->init_delay_ms);
+#else
+		k_timeout_t init_delay = thread_data->init_delay;
+#endif
+
 		k_thread_create(thread_data->init_thread, thread_data->init_stack,
 						thread_data->init_stack_size, thread_data->init_entry, thread_data->init_p1,
 						thread_data->init_p2, thread_data->init_p3, thread_data->init_prio,
-						thread_data->init_options, thread_data->init_delay);
+						thread_data->init_options, init_delay);
+
 		k_thread_name_set(thread_data->init_thread, thread_data->init_name);
 		thread_data->init_thread->init_data = thread_data;
 	}

loader/main.c

@@ -244,6 +244,7 @@ static int loader(const struct shell *sh) {
 
 	if (!sketch_buf) {
 		printk("Unable to allocate %d bytes\n", sketch_buf_len);
+		return -ENOMEM;
 	}
 
 	rc = flash_area_read(fa, 0, sketch_buf, sketch_buf_len);

platform.txt

@@ -178,6 +178,30 @@ tools.openocd.bootloader.params.verbose=-d2
 tools.openocd.bootloader.params.quiet=-d0
 tools.openocd.bootloader.pattern="{path}/{cmd}" {bootloader.verbose} -s "{path}/share/openocd/scripts/" {bootloader.programmer} {upload.transport} {bootloader.config} -c "telnet_port disabled; init; reset init; halt; adapter speed 10000; {bootloader.extra_action.preflash}; program {{runtime.platform.path}/bootloaders/{bootloader.file}}; reset run; shutdown"
 
+
+#
+# OpenOCD (Silabs)
+#
+tools.sl_openocd.path={runtime.tools.openocd-0.12.0-arduino1-static.path}
+tools.sl_openocd.cmd={path}/bin/openocd
+
+tools.sl_openocd.upload.params.verbose=-d2
+tools.sl_openocd.upload.params.quiet=-d0
+tools.sl_openocd.upload.pattern="{cmd}" {upload.verbose} -s "{path}/share/openocd/scripts/" -f interface/cmsis-dap.cfg -f target/efm32s2_g23.cfg -c "init; reset_config srst_nogate; reset halt; flash write_image erase {{build.path}/{build.project_name}.{upload.extension}} {upload.address} bin; reset; exit"
+
+tools.sl_openocd.program.params.verbose=-d2
+tools.sl_openocd.program.params.quiet=-d0
+tools.sl_openocd.program.pattern="{cmd}" {program.verbose} -s "{path}/share/openocd/scripts/" -f interface/cmsis-dap.cfg -f target/efm32s2_g23.cfg -c "init; reset_config srst_nogate; reset halt; flash write_image erase {{build.path}/{build.project_name}.{upload.extension}} {upload.address} bin; reset; exit"
+
+tools.sl_openocd.erase.params.verbose=-d2
+tools.sl_openocd.erase.params.quiet=-d0
+tools.sl_openocd.erase.pattern="{cmd}" {erase.verbose} -s "{path}/share/openocd/scripts/" -f interface/cmsis-dap.cfg -f target/efm32s2_g23.cfg -c "init; reset_config srst_nogate; reset halt; flash erase_sector 0 1 last; exit"
+
+tools.sl_openocd.bootloader.params.verbose=-d2
+tools.sl_openocd.bootloader.params.quiet=-d0
+tools.sl_openocd.bootloader.pattern="{cmd}" {bootloader.verbose} -s "{path}/share/openocd/scripts/" -f interface/cmsis-dap.cfg -f target/efm32s2_g23.cfg -c "init; reset_config srst_nogate; reset halt; program {{runtime.platform.path}/firmwares/{bootloader.file}}; reset; exit"
+
+
 #
 # BOSSA
 #
@@ -327,7 +351,7 @@ tools.gdb.path={runtime.tools.arm-none-eabi-gcc-7-2017q4.path}/bin/
 tools.gdb.cmd=arm-none-eabi-gdb
 tools.gdb.cmd.windows=arm-none-eabi-gdb.exe
 
-debug.executable={build.path}/{build.project_name}.elf
+debug.executable={build.path}/{build.project_name}_debug.elf
 debug.toolchain=gcc
 debug.toolchain.path={runtime.tools.arm-none-eabi-gcc-7-2017q4.path}/bin/
 debug.toolchain.prefix=arm-none-eabi
@@ -342,3 +366,6 @@ debug.cortex-debug.custom.postAttachCommands.3=c
 debug.cortex-debug.custom.overrideRestartCommands.0=monitor reset halt
 debug.cortex-debug.custom.overrideRestartCommands.1=monitor gdb_sync
 debug.cortex-debug.custom.overrideRestartCommands.2=c
+
+debug.server.openocd.path={runtime.tools.openocd-0.12.0-arduino1-static.path}/bin/openocd
+debug.server.openocd.scripts_dir={runtime.tools.openocd-0.12.0-arduino1-static.path}/share/openocd/scripts/

programmers.txt

@@ -14,4 +14,10 @@ jlink.program.protocol=
 jlink.program.tool=pyocd
 jlink.program.tool.default=pyocd
 jlink.program.extra_params=
-jlink.programmer.protocol=jlink
+jlink.programmer.protocol=jlink
+
+openocd.name=OpenOCD
+openocd.protocol=SWD
+openocd.program.tool=openocd
+openocd.program.tool.default=openocd
+openocd.program.extra_params=

variants/arduino_nano_matter_mgm240sd22vna/arduino_nano_matter_mgm240sd22vna.conf

@@ -0,0 +1,37 @@
+CONFIG_MAIN_STACK_SIZE=16000
+CONFIG_HEAP_MEM_POOL_SIZE=112000
+CONFIG_LLEXT_HEAP_SIZE=64
+CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
+CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=-1
+
+CONFIG_FPU=y
+CONFIG_I2C=y
+CONFIG_SPI=y
+CONFIG_PWM=y
+
+CONFIG_BT=y
+CONFIG_BT_HCI=y
+CONFIG_BT_HCI_RAW=y
+CONFIG_BT_HCI_RAW_CMD_EXT=y
+CONFIG_BT_MAX_CONN=4
+CONFIG_BT_SILABS_EFR32_HCI_VS=y
+CONFIG_BT_SILABS_EFR32_LINK_LAYER_STACK_SIZE=4096
+CONFIG_BT_CTLR_PRIVACY=n
+CONFIG_BT_RX_STACK_SIZE=4096
+CONFIG_BT_HCI_TX_STACK_SIZE=1024
+
+CONFIG_MBEDTLS=y
+CONFIG_TLS_CREDENTIALS=y
+CONFIG_CURRENT_THREAD_USE_TLS=n
+CONFIG_NETWORKING=y
+
+CONFIG_ASSERT=y
+CONFIG_STACK_USAGE=n
+CONFIG_STACK_SENTINEL=n
+CONFIG_INIT_STACKS=n
+CONFIG_THREAD_NAME=n
+CONFIG_THREAD_STACK_INFO=n
+CONFIG_STACK_CANARIES=n
+CONFIG_THREAD_ANALYZER=n
+CONFIG_SYS_HEAP_RUNTIME_STATS=n
+# CONFIG_LOG_DEFAULT_LEVEL=3

variants/arduino_nano_matter_mgm240sd22vna/arduino_nano_matter_mgm240sd22vna.overlay

@@ -0,0 +1,121 @@
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/* Arduino user sketch partition */
+		user_sketch: partition@C4000 {
+			reg = <0x000C4000 0x000B8000>;
+			label = "user";
+		};
+	};
+};
+
+/ {
+	zephyr,user {
+		digital-pin-gpios = <&gpioa 4 0>, /* D0 */
+				<&gpioa 5 0>, /* D1 */
+				<&gpioa 3 0>, /* D2 */
+				<&gpioc 6 0>, /* D3 */
+				<&gpioc 7 0>, /* D4 */
+				<&gpioc 8 0>, /* D5 */
+				<&gpioc 9 0>, /* D6 */
+				<&gpiod 2 0>, /* D7 */
+				<&gpiod 3 0>, /* D8 */
+				<&gpiod 4 0>, /* D9 */
+				<&gpiod 5 0>, /* D10 */
+				<&gpioa 9 0>, /* D11 */
+				<&gpioa 8 0>, /* D12 */
+				<&gpiob 4 0>, /* D13 */
+				<&gpiob 0 0>, /* A0 */
+				<&gpiob 2 0>, /* A1 */
+				<&gpiob 5 0>, /* A2 */
+				<&gpioc 0 0>, /* A3 */
+				<&gpioa 6 0>, /* A4 */
+				<&gpioa 7 0>, /* A5 */
+				<&gpiob 1 0>, /* A6 */
+				<&gpiob 3 0>, /* A7 */
+				<&gpioc 1 0>, /* 22 LED R */
+				<&gpioc 2 0>, /* 23 LED G */
+				<&gpioc 3 0>, /* 24 LED B */
+				<&gpioa 0 0>, /* 25 Button */
+				<&gpioc 4 0>, /* 26 Serial Tx */
+				<&gpioc 5 0>; /* 27 Serial Rx */
+
+		builtin-led-gpios = <&gpioc 1 GPIO_ACTIVE_LOW>, /* 22 LED R */
+							<&gpioc 2 GPIO_ACTIVE_LOW>, /* 23 LED G */
+							<&gpioc 3 GPIO_ACTIVE_LOW>; /* 24 LED B */
+
+		pwm-pin-gpios =	<&gpiob 0 0>, /* A0 */
+						<&gpiob 2 0>, /* A1 */
+						<&gpiob 5 0>; /* A2 */
+
+		pwms = <&timer0_pwm 0 255 PWM_POLARITY_INVERTED>,
+				<&timer0_pwm 1 255 PWM_POLARITY_INVERTED>,
+				<&timer0_pwm 2 255 PWM_POLARITY_INVERTED>;
+
+		serials = <&usart0>;
+		i2cs = <&i2c0>;
+		spis = <&eusart1>;
+	};
+};
+
+&i2c0 {
+	pinctrl-0 = <&i2c0_default>;
+	pinctrl-names = "default";
+	clock-frequency = <I2C_BITRATE_STANDARD>;
+	status = "okay";
+};
+
+&pinctrl {
+	eusart1_default: eusart1_default {
+		group0 {
+			pins = <EUSART1_TX_PA9>, <EUSART1_SCLK_PB4>;
+			drive-push-pull;
+			output-high;
+		};
+
+		group1 {
+			pins = <EUSART1_RX_PA8>;
+			input-enable;
+			silabs,input-filter;
+		};
+	};
+};
+
+&eusart1 {
+	compatible = "silabs,eusart-spi";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <4000000>;
+	pinctrl-0 = <&eusart1_default>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	cs-gpios = <&gpiod 5 GPIO_ACTIVE_LOW>;
+};
+
+&timer0 {
+	status = "okay";
+
+	timer0_pwm: pwm {
+		pinctrl-0 = <&timer0_default>;
+		pinctrl-names = "default";
+		status = "okay";
+	};
+};
+
+&pinctrl {
+	timer0_default: timer0_default {
+		group0 {
+			pins = <TIMER0_CC0_PB0>, <TIMER0_CC1_PB2>, <TIMER0_CC2_PB5>;
+			drive-push-pull;
+			output-high;
+		};
+	};
+};
+
+&sysrtc0 {
+	status = "okay";
+};

variants/arduino_nano_matter_mgm240sd22vna/variant.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#define MOSI    11
+#define MISO    12
+#define SCK     13
+#define SS      10
+#define SDA     4
+#define SCL     5
+
+#define LED_BUILTIN_1 23
+#define LED_BUILTIN_2 24
+#define LED_BUILTIN_ACTIVE (LOW)
+#define LED_BUILTIN_INACTIVE (!LED_BUILTIN_ACTIVE)
+
+#define BTN_BUILTIN 25