Padreug
7e90719508
The sintra live ISO (live.nix) had no serial support — ftdi_sio and the ttyJ5/ttyJ7 udev symlinks were only in hardware/upboard.nix (installed), so booting iso-sintra on real hardware failed on the validator + F56 dispenser while the disk image worked. The two definitions had already drifted (live's tejo block lacked ttyS4). Extract the UP Board serial peripherals (usbserial/ftdi_sio/cp210x, the ttyJ4/ttyJ5/ttyJ7 udev symlinks + permissions, console=tty0) into hardware/upboard-serial.nix and import it from both upboard.nix (installed tejo + sintra) and live.nix (sintra only). Single source of truth — the two artifacts can't drift again. Named upboard-serial (not sintra-serial) since upboard.nix serves both tejo-installed and sintra-installed. Camera + LED/SPI rules stay inline in upboard.nix (installed-specific; the pairing camera works via getUserMedia without the scanner symlink). Verified by eval: live sintra now carries ftdi_sio + console=tty0 + ttyJ7; installed sintra/tejo unchanged (serial present, camera present, no console dupe). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
61 lines
2.4 KiB
Nix
61 lines
2.4 KiB
Nix
# UP Board serial peripherals — the validator / dispenser / printer wiring
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# shared by the INSTALLED configs (hardware/upboard.nix, used by both
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# tejo-installed and sintra-installed) AND the sintra live ISO (live.nix).
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# Single source of truth so the two artifacts can't drift — the earlier bug
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# was exactly this drift (the sintra live ISO lacked ftdi_sio + the ttyJ7
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# symlink, so the F56 dispenser failed while the installed image worked).
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#
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# Sintra IS a UP Board, so these are the UP Board rules; ttyS1/ttyS5 cover the
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# older UP Board / UP4000 (Tejo) dispenser nodes and ttyS4 covers the Sintra
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# (Apollo Lake) where the F56 is on the SoC MMIO UART. Only the device that
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# actually exists at runtime gets the symlink, so all three coexist safely.
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#
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# Serial port mapping:
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# ttyJ4 = Printer (Nippon NP-2511D-2)
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# ttyJ5 = Validator (iVIZION, ID003)
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# ttyJ7 = Dispenser (Fujitsu F53/F56)
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{ lib, ... }:
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{
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boot.kernelModules = [
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"usbserial" # USB-to-serial adapters
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"ftdi_sio" # FTDI USB serial (the iVIZION validator bridge)
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"cp210x" # CP210x USB serial (alternative adapter)
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];
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boot.kernelParams = [
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# Do NOT route the kernel console through ttyS4 on Sintra. ttyS4 is the
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# SoC's MMIO 16550A (the only real UART besides the legacy ttyS0 at I/O
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# 0x3f8) and is wired to the Fujitsu F56 dispenser's RS-232 header. Holding
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# it as console prevents userspace opening it at 9600 baud and HAL fails
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# with "Input/output error setting custom baud rate of 9600". For serial
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# debug, point console at ttyS0 instead.
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"console=tty0"
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];
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services.udev.extraRules = lib.mkAfter ''
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# Generic serial port permissions (so the non-root HAL user can open them)
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KERNEL=="ttyS[0-9]*", MODE="0666"
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KERNEL=="ttyUSB[0-9]*", MODE="0666"
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KERNEL=="ttyACM[0-9]*", MODE="0666"
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# Printer (ttyJ4)
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KERNELS=="1-7.2:1.0", SYMLINK+="ttyJ4"
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KERNEL=="ttyUSB0", SYMLINK+="ttyJ4"
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# Validator (ttyJ5)
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KERNELS=="1-7.3:1.0", SYMLINK+="ttyJ5"
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KERNEL=="ttyUSB1", SYMLINK+="ttyJ5"
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# Dispenser (ttyJ7). ttyS1/ttyS5 = older UP Board / UP4000; ttyS4 = Sintra.
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KERNEL=="ttyS1", SYMLINK+="ttyJ7"
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KERNEL=="ttyS4", SYMLINK+="ttyJ7"
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KERNEL=="ttyS5", SYMLINK+="ttyJ7"
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# Legacy ttyAMA0 alias
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SUBSYSTEM=="tty", KERNEL=="ttyS1", SYMLINK+="ttyAMA0", GROUP="dialout"
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# Disable USB autosuspend (prevents serial adapters from sleeping)
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ACTION=="add", SUBSYSTEM=="usb", TEST=="power/control", ATTR{power/control}="on"
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'';
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}
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