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| author | Jean-François Milants <jf@codingfield.com> | 2021-10-28 20:56:17 +0200 |
|---|---|---|
| committer | Jean-François Milants <jf@codingfield.com> | 2021-10-28 20:56:17 +0200 |
| commit | e051504deaf4db166c08ec9693c575006ee12c8e (patch) | |
| tree | cede16cac12a20b5a20dcbe4badbce59dde68d09 /doc | |
| parent | 71ce13d3095febf9dcdb0ddc6ca03b515fd7d57a (diff) | |
Add doc : how to generate files needed by the factory.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/buildAndProgram.md | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/doc/buildAndProgram.md b/doc/buildAndProgram.md index 3e000a3a..3686871a 100644 --- a/doc/buildAndProgram.md +++ b/doc/buildAndProgram.md @@ -231,3 +231,33 @@ Loading section .sec7, size 0xdf08 lma 0x40000 Start address 0x0, load size 314200 Transfer rate: 45 KB/sec, 969 bytes/write. ``` + +### How to generate files needed by the factory +These files are needed by the Pine64 factory to flash InfiniTime as the default firmware on the PineTimes. + +Two files are needed: an **HEX (.hex)** file that contains the content of the internal flash memory (bootloader + InfiniTime) and a **binary (.bin)** file that contains the content of the external flash memory (recovery firmware). + +#### merged-internal.hex +First, convert the bootloader to hex: + ``` + <ARM TOOLCHAIN>/bin/arm-none-eabi-objcopy -I binary -O ihex ./bootloader.bin ./bootloader.hex + ``` +where `bootloader.bin` is the [last stable version](https://github.com/JF002/pinetime-mcuboot-bootloader/releases) of the [bootloader](https://github.com/JF002/pinetime-mcuboot-bootloader). + +Then, convert the MCUBoot image of InfiniTime: +``` +<ARM TOOLCHAIN>/bin/arm-none-eabi-objcopy -I binary -O ihex --change-addresses 0x8000 ./pinetime-mcuboot-app-image-1.6.0.bin ./pinetime-mcuboot-app-image-1.6.0.hex +``` +where `pinetime-mcuboot-app-image-1.6.0.bin` is [the bin of the last MCUBoot image](https://github.com/InfiniTimeOrg/InfiniTime/releases) of [InfiniTime](https://github.com/InfiniTimeOrg/InfiniTime). + +Pay attention to the parameter `--change-addresses 0x8000`. It's needed to ensure the image will be flashed at the offset expected by the bootloader (0x8000). + +Finally, merge them together with **mergehex**: +``` +/opt/mergehex/mergehex -m ./bootloader.hex ./pinetime-mcuboot-app-image-1.6.0.hex -o merged-internal.hex +``` + +This file must be flashed at offset **0x00** of the internal memory of the NRF52832. + +#### spinor.bin +This file is the MCUBoot image of the last stable version of the recovery firmware. It must be flashed at offset **0x00** of the external SPINOR flash memory.
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