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annotate README @ 18:f1e44afb41a3

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WIP with control and DAC in sync and not hanging. Control data is wrong but baby steps.
author Daniel O'Connor <darius@dons.net.au>
date Tue, 25 Feb 2025 14:36:10 +1030
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1 Build:
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2 cd build
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3 cmake -DPICO_SDK_PATH=$HOME/projects/pico-sdk \
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4 -DPICO_TOOLCHAIN_PATH=/Applications/ArmGNUToolchain/12.2.rel1/arm-none-eabi/bin \
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5 -DCMAKE_BUILD_TYPE=Debug \
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6 ..
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7 make -j 8
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9 Debug:
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10 https://github.com/majbthrd/pico-debug/blob/master/howto/openocd.md
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12 openocd -f interface/cmsis-dap.cfg -f target/rp2040.cfg -s tcl -c "adapter speed 5000"
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13 /Applications/ArmGNUToolchain/12.2.rel1/arm-none-eabi/bin/arm-none-eabi-gdb -ex "target ext :3333" modulator.elf
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14 load
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15 run
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17 Debug probe appears as a composite device - the CMSIS debug interface and a CDC serial port which
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18 has the UART of the debugee connected.
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