From 331481cd0c6ba804860f7cdbd5110a87ff0160fe Mon Sep 17 00:00:00 2001
From: JF <jf@codingfield.com>
Date: Sun, 24 May 2020 16:36:04 +0200
Subject: Refactor CMake files to allow building 2 binaries : one standalone
 and one compatible with mcuboot bootloader (the offset in memory is
 different).

Add documentation about mcuboot image generation and OTA.

Re-enable watchdog
---
 bootloader/README.md                   |  50 +++++++++++++++++++++++++++++++++
 bootloader/mynewt_nosemi.elf_4.1.7.bin | Bin 0 -> 22232 bytes
 bootloader/mynewt_nosemi_4.1.7.elf     | Bin 0 -> 542120 bytes
 3 files changed, 50 insertions(+)
 create mode 100644 bootloader/README.md
 create mode 100644 bootloader/mynewt_nosemi.elf_4.1.7.bin
 create mode 100644 bootloader/mynewt_nosemi_4.1.7.elf

(limited to 'bootloader')

diff --git a/bootloader/README.md b/bootloader/README.md
new file mode 100644
index 00000000..facc0500
--- /dev/null
+++ b/bootloader/README.md
@@ -0,0 +1,50 @@
+# Bootloader
+
+## Bootloader binary
+The binary comes from https://github.com/lupyuen/pinetime-rust-mynewt/releases/tag/v4.1.7
+
+It must be flash at address **0x00** in the internal flash memory.
+
+Using OpenOCD:
+
+`
+program mynewt_nosemi.elf_4.1.7.bin 0
+`
+
+## Application firmware image
+Build the binary compatible with the booloader:
+
+`
+make pinetime-mcuboot-app
+`
+
+The binary is located in *<build directory>/src/pinetime-mcuboot-app.bin*.  
+
+It must me converted into a MCUBoot image using *imgtool.py* from [MCUBoot](https://github.com/JuulLabs-OSS/mcuboot/tree/master/scripts).
+
+`
+imgtool.py  create --align 4 --version 1.0.0 --header-size 32 --slot-size 475136 --pad-header <build directory>/src/pinetime-mcuboot-app.bin image.bin
+`
+
+The image must be then flashed at address **0x8000** in the internal flash memory.
+
+Using OpenOCD:
+
+`
+program image.bin 0x8000
+`
+
+## OTA and DFU
+Pack the image into a .zip file for the NRF DFU protocol:
+
+`
+adafruit-nrfutil dfu genpkg --dev-type 0x0052 --application image.bin dfu.zip
+`
+
+Use NRFConnect or dfu.py to upload the zip file to the device:
+
+`
+sudo dfu.py -z /home/jf/nrf52/bootloader/dfu.zip -a <pinetime MAC address> --legacy
+`
+
+**TODO** : dfu.py
\ No newline at end of file
diff --git a/bootloader/mynewt_nosemi.elf_4.1.7.bin b/bootloader/mynewt_nosemi.elf_4.1.7.bin
new file mode 100644
index 00000000..bd00ec9c
Binary files /dev/null and b/bootloader/mynewt_nosemi.elf_4.1.7.bin differ
diff --git a/bootloader/mynewt_nosemi_4.1.7.elf b/bootloader/mynewt_nosemi_4.1.7.elf
new file mode 100644
index 00000000..3d7c231f
Binary files /dev/null and b/bootloader/mynewt_nosemi_4.1.7.elf differ
-- 
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