Add scripts for using ch341a programmer

scripts/_ch341a.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+if [ ! -d "models/${MODEL}" ]
+then
+  echo "model '${MODEL}' not found" >&2
+  exit 1
+fi
+MODEL_DIR="$(realpath "models/${MODEL}")"
+
+if [ ! -f "${MODEL_DIR}/chip.txt" ]
+then
+  echo "model '${MODEL}' does not have chip.txt" >&2
+  exit 1
+fi
+CHIP="$(cat "${MODEL_DIR}/chip.txt")"

scripts/ch341a-dump.sh

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+#!/usr/bin/env bash
+
+set -e
+
+if [ -z "$1" ]
+then
+  echo "$0 [model]" >&2
+  exit 1
+fi
+MODEL="$1"
+
+source scripts/_ch341a.sh
+
+flashrom -p ch341a_spi -c "${CHIP}" -r build/dump.rom
+
+./coreboot/build/cbfstool build/dump.rom read -r CONSOLE -f build/dump.log
+
+less build/dump.log

scripts/ch341a-flash.sh

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+#!/usr/bin/env bash
+
+set -e
+
+if [ -z "$1" ]
+then
+  echo "$0 [model]" >&2
+  exit 1
+fi
+MODEL="$1"
+
+source scripts/_ch341a.sh
+
+flashrom -p ch341a_spi -c "${CHIP}" -w "build/${MODEL}/firmware.rom"