Initial: add Opta target

boards.txt

@@ -488,3 +488,68 @@ portentac33.bootloader.file=zephyr-{build.variant}.bin
 portentac33.bootloader.interface=0
 portentac33.bootloader.address=0x10000
 portentac33.bootloader.dfuse=-Q
+
+##########################################################################################
+
+opta.name=Arduino Opta
+opta.build.core=arduino
+opta.build.crossprefix=arm-zephyr-eabi-
+opta.build.compiler_path={runtime.tools.arm-zephyr-eabi-0.16.8.path}/bin/
+
+opta.menu.debug.false=Standard
+opta.menu.debug.true=Debug
+
+opta.menu.debug.false.postbuild_debug=
+opta.menu.debug.true.postbuild_debug=-debug
+
+opta.build.variant=arduino_opta_stm32h747xx_m7
+opta.build.mcu=cortex-m7
+opta.build.fpu=-mfpu=fpv5-d16
+opta.build.architecture=cortex-m7
+opta.compiler.zephyr.arch.define=-DCORE_CM7
+
+opta.build.float-abi=-mfloat-abi=softfp
+opta.build.extra_flags=
+opta.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
+opta.build.architecture=cortex-m7
+opta.build.board=ARDUINO_OPTA
+opta.compiler.zephyr=
+opta.vid.0=0x2341
+opta.pid.0=0x0064
+opta.upload_port.0.vid=0x2341
+opta.upload_port.0.pid=0x0364
+
+opta.upload.tool=dfu-util
+opta.upload.tool.default=dfu-util
+opta.upload.protocol=
+opta.upload.transport=
+opta.upload.vid=0x2341
+opta.upload.pid=0x0364
+opta.upload.interface=0
+opta.upload.use_1200bps_touch=true
+opta.upload.wait_for_upload_port=true
+opta.upload.native_usb=true
+opta.upload.maximum_size=1966080
+opta.upload.maximum_data_size=523624
+
+opta.upload.address=0x080E0000
+
+opta.upload.maximum_size=786432
+opta.upload.maximum_data_size=523624
+
+opta.bootloader.tool=dfu-util
+opta.bootloader.tool.default=dfu-util
+opta.bootloader.vid=0x2341
+opta.bootloader.pid=0x0364
+opta.bootloader.interface=0
+opta.bootloader.file=zephyr-{build.variant}.bin
+opta.bootloader.address=0x08040000
+
+opta.debug.tool=gdb
+opta.debug.server.openocd.scripts.0=interface/{programmer.protocol}.cfg
+opta.debug.server.openocd.scripts.1={programmer.transport_script}
+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
+
+##############################################################################################################

variants/arduino_opta_stm32h747xx_m7/arduino_opta_stm32h747xx_m7.conf

@@ -0,0 +1,93 @@
+CONFIG_USB_DEVICE_STACK=y
+CONFIG_USB_DEVICE_PRODUCT="Arduino Opta"
+CONFIG_USB_DEVICE_MANUFACTURER="Arduino"
+CONFIG_USB_DEVICE_VID=0x2341
+CONFIG_USB_DEVICE_PID=0x0064
+
+CONFIG_USB_CDC_ACM=y
+CONFIG_USB_CDC_ACM_RINGBUF_SIZE=512
+CONFIG_UART_LINE_CTRL=y
+CONFIG_CDC_ACM_DTE_RATE_CALLBACK_SUPPORT=y
+
+CONFIG_LLEXT_STORAGE_WRITABLE=n
+
+CONFIG_HEAP_MEM_POOL_SIZE=2048
+CONFIG_SHELL_STACK_SIZE=32768
+CONFIG_MAIN_STACK_SIZE=32768
+CONFIG_LLEXT_HEAP_SIZE=128
+
+CONFIG_FPU=y
+
+CONFIG_ADC=y
+CONFIG_DAC=n
+CONFIG_PWM=n
+
+CONFIG_ICACHE=y
+CONFIG_DCACHE=y
+CONFIG_CACHE_MANAGEMENT=y
+
+CONFIG_DMA=y
+CONFIG_MEMC=y
+CONFIG_SPI_ASYNC=y
+CONFIG_SPI_STM32_INTERRUPT=y
+
+CONFIG_FPU=y
+CONFIG_ICACHE=y
+CONFIG_DCACHE=y
+CONFIG_CACHE_MANAGEMENT=y
+
+CONFIG_USERSPACE=n
+CONFIG_ARM_MPU=y
+CONFIG_MAX_THREAD_BYTES=4
+
+CONFIG_NETWORKING=y
+CONFIG_NET_IPV6=n
+CONFIG_NET_IPV4=y
+CONFIG_NET_ARP=y
+CONFIG_NET_UDP=y
+CONFIG_NET_DHCPV4=y
+CONFIG_NET_DHCPV4_OPTION_CALLBACKS=y
+CONFIG_DNS_RESOLVER=y
+CONFIG_DNS_SERVER_IP_ADDRESSES=y
+CONFIG_DNS_SERVER1="8.8.8.8"
+
+CONFIG_INIT_STACKS=y
+
+CONFIG_NET_SOCKETS=y
+CONFIG_NET_SOCKETS_NET_MGMT=y
+CONFIG_NET_SOCKETS_SOCKOPT_TLS=y
+CONFIG_NET_MGMT=y
+CONFIG_NET_MGMT_EVENT=y
+CONFIG_NET_L2_ETHERNET=y
+CONFIG_NET_L2_ETHERNET_MGMT=y
+
+CONFIG_TINYCRYPT=y
+CONFIG_TINYCRYPT_AES=y
+CONFIG_TINYCRYPT_SHA256=y
+CONFIG_TINYCRYPT_SHA256_HMAC=y
+CONFIG_TINYCRYPT_AES_CCM=y
+CONFIG_TINYCRYPT_AES_CTR=y
+CONFIG_TINYCRYPT_AES_CBC=y
+CONFIG_TINYCRYPT_AES_CMAC=y
+CONFIG_TINYCRYPT_CTR_PRNG=y
+CONFIG_ENTROPY_GENERATOR=y
+CONFIG_TEST_RANDOM_GENERATOR=y
+
+CONFIG_NET_TX_STACK_SIZE=8192
+CONFIG_NET_RX_STACK_SIZE=8192
+CONFIG_NET_TCP_WORKQ_STACK_SIZE=8192
+CONFIG_NET_MGMT_EVENT_STACK_SIZE=8192
+CONFIG_NET_TCP=y
+CONFIG_NET_SOCKETS=y
+CONFIG_POSIX_API=y
+
+CONFIG_MBEDTLS=y
+CONFIG_MBEDTLS_BUILTIN=y
+CONFIG_MBEDTLS_PEM_CERTIFICATE_FORMAT=y
+CONFIG_MBEDTLS_ENABLE_HEAP=y
+CONFIG_MBEDTLS_HEAP_SIZE=60000
+CONFIG_MBEDTLS_SSL_MAX_CONTENT_LEN=7168
+CONFIG_MBEDTLS_HASH_ALL_ENABLED=y
+CONFIG_MBEDTLS_CMAC=y
+
+CONFIG_LLEXT_LOG_LEVEL_INF=y

variants/arduino_opta_stm32h747xx_m7/arduino_opta_stm32h747xx_m7.overlay

@@ -0,0 +1,115 @@
+&usart6 {
+	status = "okay";
+	pinctrl-0 = <&usart6_tx_pg14 &usart6_rx_pg9>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+};
+
+&usart3 {
+	status = "okay";
+};
+
+&adc1 {
+	status = "okay";
+};
+
+&adc2 {
+	status = "okay";
+};
+
+&adc3 {
+	status = "okay";
+};
+
+&i2c1 {
+	status = "okay";
+	pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
+	pinctrl-names = "default";
+	clock-frequency = <I2C_BITRATE_FAST>;
+};
+
+&i2c3 {
+	status = "okay";
+	pinctrl-0 = <&i2c3_scl_ph7 &i2c3_sda_ph8>;
+	pinctrl-names = "default";
+	clock-frequency = <I2C_BITRATE_FAST>;
+};
+
+/{
+	chosen {
+		zephyr,console = &usart6;
+		zephyr,shell-uart = &usart6;
+		zephyr,uart-mcumgr = &usart6;
+	};
+
+	/* used to overcome problems with _C analog pins */
+	gpioz: gpio@deadbeef {
+		compatible = "vnd,gpio";
+		gpio-controller;
+		reg = <0xdeadbeef 0x1000>;
+		#gpio-cells = <0x2>;
+		status = "okay";
+	};
+};
+
+&flash0 {
+	partitions {
+		user_sketch: partition@e0000 {
+			reg = <0x0E0000 0x20000>;
+		};
+	};
+};
+
+/ {
+	zephyr,user {
+		digital-pin-gpios = <&gpioi 6 0>,	/* Outputs */
+						<&gpioi 5 0>,
+						<&gpioi 7 0>,
+						<&gpioi 4 0>,
+						<&gpioi 0 0>,	/* LEDs */
+						<&gpioi 1 0>,
+						<&gpioi 3 0>,
+						<&gpioh 15 0>,
+						<&gpioh 12 0>,
+						<&gpioh 11 0>,
+						<&gpioe 5 0>,
+						<&gpioe 4 0>,	/* User button */
+						<&gpioz 0 0>,	/* Inputs */
+						<&gpioz 1 0>,
+						<&gpiof 12 0>,
+						<&gpiob 0 0>,
+						<&gpiof 10 0>,
+						<&gpiof 8 0>,
+						<&gpiof 6 0>,
+						<&gpiof 4 0>,
+						<&gpiog 8 0>,	/* bus detect */
+						<&gpiob 14 0>,  /* Modbus DE */
+						<&gpiob 13 0>;  /* Modbus RE */
+
+		builtin-led-gpios = <&gpioe 5 0>,
+                        <&gpioh 12 0>,
+                        <&gpioh 11 0>;
+
+		adc-pin-gpios =	<&gpioz 0 0>,
+					<&gpioz 1 0>,
+					<&gpiof 12 0>,
+					<&gpiob 0 0>,
+					<&gpiof 10 0>,
+					<&gpiof 8 0>,
+					<&gpiof 6 0>,
+					<&gpiof 4 0>;
+
+		serials = <&board_cdc_acm_uart>, <&usart3>, <&usart6>;
+		cdc-acm = <&board_cdc_acm_uart>;
+		i2cs = <&i2c1>, <&i2c3>;
+
+		io-channels =	<&adc1 0>,
+				<&adc3 0>,
+				<&adc1 6>,
+				<&adc2 9>,
+				<&adc3 6>,
+				<&adc3 7>,
+				<&adc3 8>,
+				<&adc3 9>;
+	};
+};

variants/arduino_opta_stm32h747xx_m7/variant.cpp

@@ -0,0 +1,8 @@
+#include <zephyr/kernel.h>
+
+void _on_1200_bps() {
+    uint32_t tmp = (uint32_t) & (RTC->BKP0R);
+    tmp += (RTC_BKP_DR0 * 4U);
+    *(__IO uint32_t *)tmp = (uint32_t)0xDF59;
+    NVIC_SystemReset();
+}