README: remove other boord details
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README.md
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README.md
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@ -61,17 +61,6 @@ this board uses a STM32F103C8T6 micro-controller.
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since the device is firmware protected (against read-out), you will first need to remove this protection using an SWD adapter and running `rake remove_protection`.
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since the device is firmware protected (against read-out), you will first need to remove this protection using an SWD adapter and running `rake remove_protection`.
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you can then flash the bootloader using SWD and application using DFU a documented in the section below.
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you can then flash the bootloader using SWD and application using DFU a documented in the section below.
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The ST-LINK V2 mini clone has SWD test points on the board.
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Because read protection is enabled, you will first need to remove the protection to be able to flash the firmware.
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To remove the read protection (and erase flash), run `rake remove_protection` while a SWD adapter is connected.
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The Altera USB-Blaster clone has a pin header for SWD and UART1 on the board.
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SWD is disabled in the main firmware, and it has read protection.
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To be able to flash using SWD (or the serial port), the BOOT0 pin must be set to 1 to boot the system memory install of the flash memory.
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To set BOOT0 to 1, apply 3.3 V on R11, between the resistor and the reference designator, when powering the device.
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The red LED should stay off while the green LED is on.
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Now you can remove the read protection (and erase flash), run `rake remove_protection` while a SWD adapter is connected.
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connections
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connections
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===========
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===========
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