FDS/OS 1.0

packages/fds-dasungd/files/99-dasung-spi.rules

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+# Supplement the Pi kernel's CONFIG_SPI_CH341=n requirement with scoped autoload
+# suppression. An already loaded/built-in driver can bind before userspace.
+# Plain RUN assignment is compatible with eudev and replaces earlier queued runs.
+ACTION=="add", SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_interface", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="5512", PROGRAM="/usr/bin/dasungd udev-match-spi %p", RESULT=="yes", RUN="/usr/bin/true"

packages/fds-dasungd/files/dasungd.toml

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+# The user's grayscale Paperlike 13K. Do not match arbitrary CH340 adapters.
+monitor_serial = "L56051794302"
+socket = "/run/dasungd/control.sock"
+# Session state survives daemon restart. Persistent machine storage is not built yet.
+state_file = "/run/dasungd/settings.json"
+transport = "usb"
+require_companion = true
+require_display = true
+keepalive_ms = 2000
+reconnect_ms = 2000
+watchdog_ms = 30000
+
+[display]
+# Pi uses DRM/KMS firmware EDID or its display client, not AMD debugfs hotplug.
+enabled = false
+edid = "/usr/lib/firmware/edid/dasung-paperlike13k-37hz.bin"
+hotplug = "none"
+
+[startup]
+# Values read back on this unit in the source task; color-model names do not apply.
+mode = 1
+contrast = 4

packages/fds-dasungd/template

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+# FDS-owned overlay. The build helper supplies the verified static ARM payload.
+pkgname=fds-dasungd
+version=0.1.0
+revision=1
+archs="aarch64"
+nostrip=yes
+noverifyrdeps=yes
+depends="coreutils execline s6 s6-rc eudev"
+short_desc="FDS base-system controller for the Dasung Paperlike 13K"
+maintainer="FDS/OS maintainers"
+license="MIT, LGPL-2.1-or-later"
+# Hardware vendor reference; this local FDS controller is not an official driver.
+homepage="https://www.dasung.com/"
+conf_files="/etc/dasungd.toml"
+
+do_install() {
+	local input="${XBPS_SRCDISTDIR}/${pkgname}-${version}"
+	[ -f "${input}/SHA256SUMS" ] || msg_error "Run make dasung to prepare the verified payload\n"
+	(cd "$input" && sha256sum -c SHA256SUMS) || return 1
+	vbin "${input}/dasungd"
+	vinstall "${FILESDIR}/dasungd.toml" 644 etc
+	vinstall "${FILESDIR}/99-dasung-spi.rules" 644 usr/lib/udev/rules.d
+	vinstall "${input}/paperlike13k-37hz.edid" 644 usr/lib/firmware/edid dasung-paperlike13k-37hz.bin
+	vmkdir etc/s6-rc/source
+	cp -a "${input}/s6-source/." "${DESTDIR}/etc/s6-rc/source/"
+	vlicense "${input}/LICENSE"
+	vlicense "${input}/libusb-COPYING" libusb-COPYING
+	vdoc "${input}/dasung.md" README.md
+}