wip

README.md

@@ -17,14 +17,14 @@ To try out this example app:
    ```bash
    mkdir zephyr-workspace
    cd zephyr-workspace
-   west init -m https://github.com/memfault/stm32h7b3i_dk
+   west init -m https://github.com/memfault/zephyr-stm32h7b0-example
    west update
    ```
 
 3. Build the example app:
 
    ```bash
-   west build stm32h7b3i_dk --sysbuild
+   west build --sysbuild --board stm32h7b3i_dk --pristine=always zephyr-stm32h7b0-example
    ```
 
    `--sysbuild` will build the MCUboot image as well, which will also get
@@ -42,7 +42,7 @@ To try out this example app:
 
    ```bash
    # select the correct serial port for your system
-   pyserial-miniterm --raw /dev/serial/by-id/TODO 115200
+   pyserial-miniterm --raw /dev/serial/by-id/usb-STMicroelectronics_STLINK-V3_002000353331510933323639-if02 115200
 
    uart:~$ mflt get_device_info
    [00:09:21.911,000] <inf> mflt: S/N: DEMOSERIAL

boards/stm32h7b3i_dk.overlay

@@ -0,0 +1,55 @@
+ / {
+	chosen {
+		zephyr,code-partition = &slot0_partition;
+	};
+	aliases {
+		die-temp0 = &die_temp;
+	};
+};
+
+&die_temp {
+	status = "okay";
+};
+
+&adc2 {
+	pinctrl-0 = <&adc2_inp0_pc2_c>;
+	pinctrl-names = "default";
+	st,adc-clock-source = <SYNC>;
+	st,adc-prescaler = <4>;
+	status = "okay";
+};
+
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		boot_partition: partition@0 {
+			label = "mcuboot";
+			reg = <0x00000000 0x00010000>;
+			read-only;
+		};
+		/*
+		 * The flash starting at 0x00010000 and ending at
+		 * 0x0001ffff (sectors 16-31) is reserved for use
+		 * by the application.
+		 */
+		storage_partition: partition@1e000 {
+			label = "storage";
+			reg = <0x0001e000 0x00002000>;
+		};
+		slot0_partition: partition@20000 {
+			label = "image-0";
+			reg = <0x00020000 0x00060000>;
+		};
+		slot1_partition: partition@80000 {
+			label = "image-1";
+			reg = <0x00080000 0x00060000>;
+		};
+		scratch_partition: partition@e0000 {
+			label = "image-scratch";
+			reg = <0x000e0000 0x00020000>;
+		};
+	};
+};

src/main.c

@@ -46,7 +46,6 @@ int main(void) {
   printk("\n" MEMFAULT_BANNER_COLORIZED);
 
   memfault_device_info_dump();
-  memfault_zephyr_port_install_root_certs();
 
   return 0;
 }

sysbuild.conf

@@ -0,0 +1,4 @@
+# Sysbuild configuration file.
+
+# Enable MCUboot per default for this sample.
+SB_CONFIG_BOOTLOADER_MCUBOOT=y

sysbuild/mcuboot/boards/stm32h7b3i_dk.overlay

@@ -0,0 +1,7 @@
+#include "../../../boards/stm32h7b3i_dk.overlay"
+
+/ {
+	chosen {
+		zephyr,code-partition = &boot_partition;
+	};
+};

sysbuild/mcuboot/prj.conf

@@ -0,0 +1,9 @@
+# Enable debug logs for testing
+CONFIG_MCUBOOT_LOG_LEVEL_DBG=y
+
+CONFIG_MCUBOOT_IMG_MANAGER=y
+CONFIG_IMG_MANAGER=y
+CONFIG_FLASH=y
+CONFIG_FLASH_PAGE_LAYOUT=y
+CONFIG_FLASH_MAP=y
+CONFIG_STREAM_FLASH=y

west.yml

@@ -8,7 +8,7 @@ manifest:
         name-allowlist:
           - cmsis
           - hal_stm32
-          # - mbedtls
+          - mbedtls
           - mcuboot
           - picolibc