updates

azimut · azimut · commit 1f1dbd55db45 · 2025-05-15T10:49:39.000-03:00
diff --git a/bootloader/u-boot.org b/bootloader/u-boot.org
@@ -24,16 +24,19 @@
 |     fastboot      | flash boot patched.img            |                 |
 |-------------------+-----------------------------------+-----------------|
 * environment
-|-----------------+--------------------------------------+----------------|
-|                 |                 <c>                  |                |
-| ipaddr          |                  IP                  |                |
-| serverip        |                  IP                  |                |
-| ethact          |              usb_ether               |                |
-| usbnet_devaddr  |                 MAC                  |                |
-| usbnet_hostaddr |                 MAC                  |                |
-| bootdelay       |                  0                   |                |
-| boot_normal     | sunxi_flash read 45000000 boot;bootm | boot sequence? |
-|-----------------+--------------------------------------+----------------|
+|-----------------+---------------------------------+-------------------|
+|                 |               <c>               |                   |
+| ipaddr          |               IP                |                   |
+| serverip        |               IP                |                   |
+| ethact          |            usb_ether            | active iface      |
+| usbnet_devaddr  |               MAC               |                   |
+| usbnet_hostaddr |               MAC               |                   |
+| bootdelay       |                0                |                   |
+| bootcmd         |                                 | runs at boot time |
+| bootargs        |                                 | kernel cmdline    |
+| boot_normal     | sunxi_flash read 45000000 boot; | boot sequence?    |
+|                 |              bootm              |                   |
+|-----------------+---------------------------------+-------------------|
 * video
 
 - https://www.youtube.com/playlist?list=PLM6hZ9mOhBWuWBz7REa_Gg3HZPbwHad-f
diff --git a/hardware/analog/components/self.org b/hardware/analog/components/self.org
@@ -3,3 +3,15 @@
   - active
   - passive
   - electromechanic
+
+* buzzer
+
+- types
+  - active:
+    - has polarity
+    - single frequency
+  - passive
+    - no polarity
+    - multiple frequencies
+- [[https://docs.arduino.cc/language-reference/en/functions/advanced-io/tone/][tone()]] arduino function, generates square wave (50% duty cycle)
+- ringtones http://arcadetones.emuunlim.com/
diff --git a/hardware/digital/components/cpu/32/raspberry.org b/hardware/digital/components/cpu/32/raspberry.org
@@ -1,3 +1,5 @@
+- pxe guide https://warmestrobot.com/blog/2024/06/27/raspberry-pi-network-boot-guide-2/
+- http://rpf.io/configtxt
 - UART? https://forums.raspberrypi.com/viewtopic.php?t=375382
 - Hardware https://www.raspberrypi.com/documentation/computers/raspberry-pi.html
 - https://github.com/thibmaek/awesome-raspberry-pi
@@ -12,18 +14,29 @@
     - UART, I2C, SPI, GPIO, PWM
     - DMA
 
-* 2B
-
-- 2014
-- CPU
-  - https://github.com/raspberrypi/documentation/blob/develop/documentation/asciidoc/computers/processors/bcm2836.adoc
-  - https://datasheets.raspberrypi.com/bcm2836/bcm2836-peripherals.pdf
-  - https://developer.arm.com/documentation/ddi0464/f/
-  - Broadcom - BCM2836RIFBG
-- RAM:
-  - SDRAM
-  - El Pida -  B8132B4PB-80-F
-- SMSC - LAN9514-JZX
+* Operative Systems
+
+- lists https://github.com/thibmaek/awesome-raspberry-pi?tab=readme-ov-file#os-images
+- kodi https://libreelec.tv/downloads/raspberry/
+- netbsd https://wiki.netbsd.org/ports/evbarm/raspberry_pi/
+- freebsd https://wiki.freebsd.org/arm/Raspberry%20Pi
+- openwrt https://openwrt.org/toh/raspberry_pi_foundation/raspberry_pi
+- raspbian https://www.raspberrypi.com/software/operating-systems/
+- Gentoo
+  - https://wiki.gentoo.org/wiki/Raspberry_Pi
+  - https://wiki.gentoo.org/wiki/Raspberry_Pi/Installation
+
+* cmdline.txt
+
+#+begin_src
+console=serial0,115200
+console=tty1
+root=PARTUUID=6c586e13-02
+rootfstype=ext4
+elevator=deadline
+fsck.repair=yes
+rootwait
+#+end_src
 
 * Founders
 
@@ -46,6 +59,20 @@
 - 2016 3B ARMv8 A53 BCM2837
   - no analog inputs
 
+** 2B v1.1
+
+- 2014
+- CPU
+  - https://github.com/raspberrypi/documentation/blob/develop/documentation/asciidoc/computers/processors/bcm2836.adoc
+  - https://datasheets.raspberrypi.com/bcm2836/bcm2836-peripherals.pdf
+  - https://developer.arm.com/documentation/ddi0464/f/
+  - Broadcom - BCM2836RIFBG
+- RAM:
+  - SDRAM
+  - El Pida - B8132B4PB-80-F
+- SMSC - LAN9514-JZX
+- MAC: b8:27:eb:b5:c7:b4
+
 * IO
 
 - UART (enable_uart=1)
diff --git a/hardware/digital/connector/hardware.org b/hardware/digital/connector/hardware.org
@@ -1,3 +1,5 @@
+- https://github.com/Aodrulez/blueTag
+  - jtagulator alternative on RPI zero/pico
 - https://hydrabus.com/hydranfc-v2-sniffer-decoder-specifications/?v=c582dec943ff
 - logic analyzer https://www.saleae.com/
 - FlashcatUSB https://www.embeddedcomputers.net/products/FlashcatUSB/
@@ -6,8 +8,6 @@
   - FTDI
   - 8 wires of data
   - 30Mbps
-- Logic Analyzers
-  - ?
 - CH341a https://github.com/boseji/CH341-Store
   - I2C/SPI flash/bios programmer
   - to dump a ROM
diff --git a/hardware/digital/connector/uart.org b/hardware/digital/connector/uart.org
@@ -15,11 +15,13 @@
 
 * Chips
 
-- CP2102/9 USB-to-UART bridge
-  - I own 3 (red)
-- PL-2303HX USB-to-Serial
-  - I own 1
 - CH340 (not recommended? low clock accuraccy)
+- CP2102/9 by Sillicon Labs
+  - I own 3 (red) boards
+- PL-2303HX by Prolific
+  - I own 1 board
+- FT232BL by FTDI
+  - i own 1 ic
 
 * How to find UART?
 
diff --git a/hardware/digital/embedded.org b/hardware/digital/embedded.org
@@ -5,6 +5,8 @@
   - https://github.com/digiampietro/hacking-gemtek
 
 * distros
+
+- https://www.gargoyle-router.com/
 - https://openwrt.org/ (buildroot fork)
 - https://freshtomato.org/
 - https://code.google.com/archive/p/snake-os/
diff --git a/hardware/digital/systems/camera/ip7135.org b/hardware/digital/systems/camera/ip7135.org
@@ -10,39 +10,59 @@
 - RAM: 32Mb SDRAM (2x EM639165)
 - ROM: 4Mb FLASH (MX29LV320DBTI-70G)
 - Camera:
+  - 5fps, 640x480 (as per rtsp)
   - Lens: board lens, f=4.0mm, F2.0, Fixed
   - Image Sensor: 1/4" CMOS sensor
 
 - diy 3d enclosure https://www.printables.com/model/2857-vivotek-ip7135-enclosure
 - firmware https://ftpmirror.your.org/pub/misc/ftp.vivotek.com/Firmware/IP7135/
 - program? https://github.com/jimliu08/fyd_ipcam/tree/master/venc
-- different camera pinout https://habr.com/en/articles/424919/
-  - D-link DCS-5220A1
-  - PTZ = Pan - Tilt - Zoom
-  - 192.168.0.99
-  - Bootloader: ARMboot https://armboot.sourceforge.net/
-    - seems not officially supported
-  - http: //IPHERE/cgi/admin/telnetd.cgi?command=on
-  - PINOUT [[https://habrastorage.org/r/w1560/webt/t-/z1/zu/t-z1zudcynj2vjmg29sqnwppyzu.jpeg]]
-    - ICE JTAG
-    - UART:
-      - +3.3v, Tx, Rx, GND
-      - 38400/8/1/NO/NO
-      - Author used a FTDI232 convertor
-      - ME: use a "4-pin [[https://en.wikipedia.org/wiki/Berg_connector][berg]]" female connector?
-  - Boot output
-    #+begin_src
-      ARMboot 1.1.0 (Nov 23 2006 - 17:31:45)
-      CPU: FA526id(wb) revision 1
-      Machine: Vivotek VVTK1000
-    #+end_src
 - include/config/mach/vvtk1000.h
 - debboostrap with vtk1000 kernel module loaded https://stewarts.org.uk/project/wdsharespacedebootstrap/
 
+* article on a different camera, same chipset (?
 
-* Connectivity
+- https://habr.com/en/articles/424919/
+- D-link DCS-5220A1
+- PTZ = Pan - Tilt - Zoom
+- 192.168.0.99
+- Bootloader: ARMboot https://armboot.sourceforge.net/
+  - seems not officially supported
+- http: //IPHERE/cgi/admin/telnetd.cgi?command=on
+- PINOUT [[https://habrastorage.org/r/w1560/webt/t-/z1/zu/t-z1zudcynj2vjmg29sqnwppyzu.jpeg]]
+  - ICE JTAG
+  - UART:
+    - +3.3v, Tx, Rx, GND
+    - 38400/8/1/NO/NO
+    - Author used a FTDI232 convertor
+    - ME: use a "4-pin [[https://en.wikipedia.org/wiki/Berg_connector][berg]]" female connector?
+- Boot output
+  #+begin_src
+    ARMboot 1.1.0 (Nov 23 2006 - 17:31:45)
+    CPU: FA526id(wb) revision 1
+    Machine: Vivotek VVTK1000
+  #+end_src
+
+* connectivity
 - 1x RJ45 100 baseT (RTL8100B ethernet controller)
 - +WiFi b/g+ on IP7137
-* Audio
+* audio
 - UDA1345TS
 - GSM-AMR/MPEG4 AAC
+* snippets
+
+- visit http://172.16.0.100/
+- no DHCP by default
+
+** direct network access
+
+#+begin_src sh
+  $ sudo ip addr add 172.16.0.1/24 dev eth1
+  $ sudo ip link set dev eth1 up
+#+end_src
+
+** check video with mpv
+
+#+begin_src sh
+  $ mpv rtsp://172.16.0.100:1026/test
+#+end_src
diff --git a/hardware/digital/systems/camera/sn33260a.org b/hardware/digital/systems/camera/sn33260a.org
@@ -1,4 +1,6 @@
 - "SN33260A" board
+- CCTV module?
+- 12v?
 - 2010?
 - MCU: NVP2040E by NextChip
   - Input: 760HH CCD or NTSC/PAL
@@ -12,6 +14,10 @@
   - 3.3v / 5v Input
   - 15v, 0v, -8.5v
 
+- JTAG:
+  - PLD-JTAG?   http://jtagtest.com/pinouts/pld-jtag
+  - Lattice 9pin ispDOWNLOAD http://jtagtest.com/pinouts/lattice_ispdownload9
 - photos
   - SatVision SVC-S45V repair https://pikabu.ru/story/remont_ulichnoy_videokameryi_4307278
     - demo video https://www.youtube.com/watch?v=GG_3LVxvLuQ
+- board sold at https://www.alibaba.com/product-detail/security-camera-system-600tvl-Sony-NVP2040-60292369753.html
diff --git a/hardware/digital/systems/router/dir600.org b/hardware/digital/systems/router/dir600.org
@@ -1,20 +1,20 @@
 * B2
 
+https://techinfodepot.shoutwiki.com/wiki/D-Link_DIR-600_rev_B2
 https://openwrt.org/toh/d-link/dir-300revb
 https://wiki.dd-wrt.com/wiki/index.php/DIR-600
 https://dd-wrt.com/support/router-database/?model=DIR-600_B1%20/%20B2
 
-- 2009
+- 2009-2017
 - FCC ID: [[https://fccid.io/KA2DIR300B1][KA2DIR300B1]]
 - D-LINK
 - CPU
   - Ralink RT3050
   - 320Mhz
   - MIPS
-  - Support for USB
 - RAM: 32Mb W9825G6EH-6
 - ROM: 4Mb S29GL032N90TFI040
-- USB: *no*
+- USB: *NO* (CPU supports it tho :()
 - x5 RJ45 100M RT3050
 - Serial: 57600
 
diff --git a/sec/password/generating.org b/sec/password/generating.org
@@ -0,0 +1,5 @@
+* passwd / shadow
+
+#+begin_src sh
+  $ echo 'MYSECRETPASSWORD' | openssl passwd -6 -stdin
+#+end_src
diff --git a/terminal/tools/iproute2.org b/terminal/tools/iproute2.org
@@ -45,6 +45,8 @@
 | -4  | -family inet  | for show cmd      |
 | -6  | -family inet6 | for show cmd      |
 |-----+---------------+-------------------|*
+** ip link
+set dev eth1 up
 ** ip neighbor
 show - aka ARP/NDP neighbours
 show dev IFACE
