Merge pull request #49 from SoloKeysSec/its-stm32l432
we use l432, not l442
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nickray
GitHub
commit
4072a51a5b
@ -41,13 +41,13 @@ If you have a Solo for Hacker, here's how you can load your own code on it. You
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git clone --recurse-submodules https://github.com/SoloKeysSec/solo
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cd solo
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cd targets/stm32l442
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cd targets/stm32l432
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make cbor
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make all-hacker
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python ../../tools/programmer.py solo.hex
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```
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For example, if you want to turn off any blue light emission, you can edit [`led_rgb()`](https://github.com/SoloKeysSec/solo/blob/master/targets/stm32l442/src/led.c#L15) and force:
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For example, if you want to turn off any blue light emission, you can edit [`led_rgb()`](https://github.com/SoloKeysSec/solo/blob/master/targets/stm32l432/src/led.c#L15) and force:
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```
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uint32_t b = 0;
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```
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@ -21,7 +21,7 @@ To program your build, you'll need one of the following programs.
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Enter the `stm32l4xx` target directory.
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```
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cd targets/stm32l442
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cd targets/stm32l432
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```
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Build the cbor library.
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@ -2,11 +2,11 @@ We are very open to contributions!
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[Currently](https://github.com/solokeyssec/solo/issues), most work will go towards
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* implementing STM32L442
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* implementing STM32L432
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* implementing NFC
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* adding documentation and improving accessability of the code
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In the future, we would love to see creative plugins/extensions, putting the TRNG and other features of the STM32L442 to good use!
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In the future, we would love to see creative plugins/extensions, putting the TRNG and other features of the STM32L432 to good use!
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Feel free to send a [pull request](https://github.com/SoloKeysSec/solo/pulls) at any time, we don't currently have a formal contribution process.
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@ -2,7 +2,7 @@
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Solo has a bootloader that's fixed in memory to allow for signed firmware updates. It is not a built-in bootloader provided by the chip
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manufacturer, it is our own. We plan to use Ed25519 signatures, which have [efficient constant-time implementations on Cortex-M4 chips](http://www.cs.haifa.ac.il/~orrd/LC17/paper39.pdf).
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On the STM32L442, there is 256 KB of memory. The first 14 KB of memory is reserved for the bootloader.
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On the STM32L432, there is 256 KB of memory. The first 14 KB of memory is reserved for the bootloader.
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The bootloader is the first thing that boots, and if the button of the device is not held for 2 seconds, the
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application is immediately booted.
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@ -24,10 +24,8 @@ CFLAGS= $(INC)
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TARGET=solo
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HW=-mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb
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# Nucleo board
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#CHIP=STM32L432xx
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# Solo
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CHIP=STM32L442xx
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# Solo or Nucleo board
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CHIP=STM32L432xx
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DEFINES = -D$(CHIP) -DAES256=1 -DUSE_FULL_LL_DRIVER
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DEFINES += -DTEST_SOLO_STM32 -DTEST
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@ -36,10 +36,8 @@ CFLAGS= $(INC)
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TARGET=solo
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HW=-mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb
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# Nucleo board
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#CHIP=STM32L432xx
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# Solo
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CHIP=STM32L442xx
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# Solo or Nucleo board
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CHIP=STM32L432xx
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ifndef DEBUG
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DEBUG=0
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@ -34,10 +34,8 @@ CFLAGS= $(INC)
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TARGET=bootloader
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HW=-mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb
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# Nucleo board
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#CHIP=STM32L432xx
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# Solo
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CHIP=STM32L442xx
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# Solo or Nucleo board
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CHIP=STM32L432xx
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ifndef DEBUG
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DEBUG=0
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