Initialize zephyr application

Signed-off-by: waseemR02 <[email protected]>

Author: waseemR02

.gitignore

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+.cache/
+build/
+.vscode/
+.clangd

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.13.1)
+set(BOARD blackpill_f401cc)
+set(DTC_OVERLAY_FILE "boards/app.overlay")
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+project(CANscribe LANGUAGES C)
+
+target_sources(app PRIVATE src/main.c)

Kconfig

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+mainmenu "Controller Area Network sample application"
+
+config LOOPBACK_MODE
+	bool "Loopback LOOPBACK_MODE"
+	default y
+	help
+	  Set the controller to loopback mode.
+	  This allows testing without a second board.
+
+source "Kconfig.zephyr"

boards/app.overlay

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+/{
+	chosen {
+		zephyr,canbus = &mcp2515_can_bus;
+	};
+};
+
+&spi1 {
+	status = "okay";
+	cs-gpios = <&gpiob 12 GPIO_ACTIVE_LOW>;	
+	mcp2515_can_bus: can@0 {
+		compatible = "microchip,mcp2515";
+		spi-max-frequency = <1000000>;
+		int-gpios = <&gpiob 9 GPIO_ACTIVE_LOW>; /* B9 */
+		status = "okay";
+		reg = <0x0>;
+		osc-freq = <8000000>;
+		bus-speed = <125000>;
+		sjw = <1>;
+		sample-point = <875>;
+
+		can-transceiver {
+			max-bitrate = <1000000>;
+		};
+	};
+};

prj.conf

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+CONFIG_LOG=y
+
+CONFIG_CAN=y
+CONFIG_CAN_INIT_PRIORITY=80
+CONFIG_CAN_MAX_FILTER=5