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docs: Update example openocd config in Bootloaders.md 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-10-23 19:01:47 -04:00
parent f07292084b
commit b8a6160646
1 changed files with 9 additions and 8 deletions
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docs/Bootloaders.md
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@ -193,9 +193,8 @@ interface. This is commonly done with a dedicated SWD hardware dongle.
Alternatively, one can use a Alternatively, one can use a
[Raspberry Pi with OpenOCD](#running-openocd-on-the-raspberry-pi). [Raspberry Pi with OpenOCD](#running-openocd-on-the-raspberry-pi).
To flash a bootloader with OpenOCD use a chip config similar to: To flash a bootloader with OpenOCD use the following chip config:
``` ```
set CHIPNAME at91samd21g18
source [find target/at91samdXX.cfg] source [find target/at91samdXX.cfg]
``` ```
Obtain a bootloader - for example: Obtain a bootloader - for example:
@ -231,9 +230,8 @@ SAMD51 micro-controllers (Adafruit Metro-M4 and similar)
Like the SAMD21, the SAMD51 bootloader is flashed via the ARM Serial Like the SAMD21, the SAMD51 bootloader is flashed via the ARM Serial
Wire Debug (SWD) interface. To flash a bootloader with Wire Debug (SWD) interface. To flash a bootloader with
[OpenOCD on a Raspberry Pi](#running-openocd-on-the-raspberry-pi) use [OpenOCD on a Raspberry Pi](#running-openocd-on-the-raspberry-pi) use
a chip config similar to: the following chip config:
``` ```
set CHIPNAME at91samd51g19
source [find target/atsame5x.cfg] source [find target/atsame5x.cfg]
``` ```
Obtain a bootloader - several bootloaders are available from Obtain a bootloader - several bootloaders are available from
@ -361,15 +359,18 @@ bcm2835gpio_swd_nums 25 24
bcm2835gpio_srst_num 18 bcm2835gpio_srst_num 18
transport select swd transport select swd
# Set the chip (at91samd51j19 in this example) # Use hardware reset wire for chip resets
set CHIPNAME at91samd51j19 reset_config srst_only
adapter_nsrst_delay 100
adapter_nsrst_assert_width 100
# Specify the chip type
source [find target/atsame5x.cfg] source [find target/atsame5x.cfg]
# Set the adapter speed # Set the adapter speed
adapter_khz 40 adapter_khz 40
adapter_nsrst_delay 100
adapter_nsrst_assert_width 100
# Connect to chip
init init
targets targets
reset halt reset halt