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HIT4 User`s Manual

1. Discrete input Di3 8 MN Discrete input Table 3 P4 Footprint pinout 6 p113 Discrete input Discrete input Discrete input Drie 9 Discrete input Discrete input Discrete input Discrete input Discrete output Discrete output Discrete output Discrete output 2 Discrete output Reserved 29 30 Reserved meserved 3 32 Reserved HEIE DJ ND FJOR JO 000000000 SH OCH OM OR OR OR OR OR SRS 10 12 14 16 18 AG 22 24 6 O O OG Copyright O 2014 Hamletronics Limited 3 HIT4 User s Manual Hamt tronics Mating Connectors Figure 3 J11 Power J11 connector mates with a barrel plug 5 5 mm outer dia 2 5 mm inner dia such as CUI Inc PP3 002B Pinout Outer contact ground negative power rail Inner contact positive power rail J9 J10 IR signal input These barrel connectors mate with stereo jack 3 5mm Note The distance between J9 and J10 is 11 mm on axes If two jacks are used at the same time their body dia should not exceed 11 mm Pinout sleeve GND ring signal tip 3 3V J1 J8 IR signal input These barrel connectors mate with mono or stereo jack 3 5mm Note The distance between adjacent connectors is 10 mm on axes If two jacks are used at the same time their body dia should not exceed 10 mm Pinout sleeve signal open drain tip power supply rail Mounting Board to Raspberry PiO For secure mounting H
2. HIT4 User s Manual Hamt tronics Dear Customer Thank you for choosing one of our products We hope that you will be completely satisfied with this extension board and that it fully meets your expectations This manual has been compiled in order to provide you with all the information you need to get acquainted with the board and use it efficiently Check Your Board Upon receipt of the shipment please immediately inspect the goods Unless you provide a written notice to Hamletronics Limited of any claim for lack defect or dissatisfaction with the goods within fourteen 14 days following receipt of the shipment such goods shall be deemed definitively inspected checked and accepted the absence of notification being deemed a waiver of any such claims Operating Conditions Operating temperature range 1 0 8 C Maximum continuous current in J1 J8 8 200 mA Maximum peak current in J1 J8 t lt 100ms Total peak current in all J1 J8 Maximum input voltage on J9 J10 P4 P5 0 9 Maximum load current in P4 P5 pins Connectors and Board Layout Board Features HIT4 board layout is given on Figure 1 The board contains the following features e Photo detector IC1 IR receiver channel CAPO corresponds to dev irt0 device Barrel 3 5mm connectors J1 J8 IR transmitter channels PWMO PWM correspondingly Barrel 3 5mm connectors J9 J10 IR receiver channels CAP1 CAP2 correspondingly Barrel 5 5mm 2 5mm power connec
3. IT board we recommend our mounting kit KIT1 IT A01 not included The kit has two M3 16mm spacers four M3 4 mm spacers and a bump on Figure 5 Step 1 Mount Bumpon Tear off protective film from the bump on and stick the bumpon to Raspberry Pi s LAN connector Copyright 2014 Hamletronics Limited 4 HIT4 User s Manual Figure 6 Figure 7 Figure 8 Figure 9 Connecting Power Selecting Supply Voltage Step 2 Mount spacers on the Raspberry Pio Insert two 4mm spacers into Raspberry Pi mounting holes from the bottom of the board Screw both 16mm spacers as shown on the image Step 3 Attach HIT board to the Raspberry Pio Attach the HIT board to the Raspberry Pi board by inserting Raspberry Pi s P1header to HIT P1 receptacle Step 4 Screw the top right spacer We recommend first screwing a spacer on the right using the other spacer as a helper as shown on the image Step 5 Screw the top left spacer Screw the remaining spacer The HIT board is now mounted The board can be powered with DC supply voltage in range 4 5 12V The transmission signal paths are designed to achieve 200 mA on a typical IR led with supply voltage at 5V level This is done with onboard 22 Ohm resistors If you are using single IR LED emitters with lower permitted forward current you should Copyright 2014 Hamletronics Limited 5 HIT4 User s Manual Hamt tronics add series resistors to limit the forward cur
4. oduct will be free from defects in material and workmanship under normal use for a period of 12 month from the date of shipment This warranty extends only to the original buyer and does not apply to any product which in Hamletronics opinion has been misused improperly altered neglected or damaged by accident or abnormal conditions of operation or handling Hamletronics Limited does not warrant that the product will interoperate with a third party product or third party software This warranty is limited to ability of the product 1 to capture input signal in the digital form and 2 to generate output signals from input data according to specifications published by Hamletronics Limited This limited hardware warranty does not cover the software Software is provided as is and in no event does Hamletronics Limited warrant that the software is error free or that customer will be able to operate the software without problems or interruptions Hamletronics makes no other express warranties except as provided herein and any and all implied warranties of merchantability or fitness for particular purpose shall only be in effect during the 12 month warranty period provided hereunder Hamletronics liability on any warranty claim shall be limited to the actual purchase price paid Hamletronics Limited shall not be responsible to customer or any third party for any special consequential incidental or indirect damages including but not limited to los
5. om repo hit4 1 0 armhf deb http hamletronics com repo spe 1 0 armhf deb 3 Obtain root privileges if not logged is as root S sudo su 4 Install Hamletronics packages Copyright 2014 Hamletronics Limited 7 HIT4 User s Manual Hamt tronics t dpkg instell Linux image 3 6 1lIhice 140 armht deb hit4 1 0 armhf deb spe 1 0 armhit deb The spe package will prompt to accept Hamletronics Proprietary License Full text of the license can be found on this link http hamletronics com repo Hamletronics Proprietary License pdf Shortly this license grants rights to use the software from package spe with Hamletronics products only The other package hit4 is distributed on dual GPLv2 BSD license terms 5 Replace the stock kernel with newly installed and reboot provided kernel image releases spi bus for the Hamletronics driver mv boot kernel img boot kernel img old mv boot vmlinuz 3 6 11hit boot kernel img reboot 6 After rebooting login again and check the results uname sr Linux 3 6 11hit cat sys devices hit hit hit0O 0 model HIT4 RP A10 57 Installing LIRC LIRC is a package for decoding IR signals please refer to http www lirc org for details 1 Obtain root privileges if not logged is as root S sudo su 2 Install lirc package apt get update apt get install lirc Configuring Software Remote Control Files Great variety of remote control files is available in the lirc reposi
6. rent at the permitted level If your IR emitters are already equipped with a current limiting resistor power the board with supply voltage recommended for the IR emitters but not exceeding 12V Connecting Power Supply Connect power supply to J11 Please refer to Mating Connectors J11 Power for details on the connector When the board is powered HL1 LED should light up and HL2 led should start blinking indicating operatio nal status of the board Please note HL2 does not blink if the reset signal GPIO27 pin 13 on P1 is kept low Powering Raspberry Pio pe Q x lt N hs w By default Raspberry Pi power rails are disconnected from the board s rails If you power the board with a 5V power supply you can shunt pin 1 3 of P3 connector as shown on Figure 11 This will apply power supply voltage to Raspberry Pi power rails For other supply voltages a DC DC converter should be used We recommend OKI 78SR 5 1 5 W36H C from Murata Power Solutions The board has sufficient space to mount this DC DC converter on the spare space Figure 10 Note DC current from P3 bypasses the Raspberry Pi s fuse Therefore improper voltage if applied to pin 3 of P3 may damage the Raspberry Pi Connecting IR Emitters Connect IR emitters to J1 J8 IR emitters should have wiring as shown on the Figure 11 Optional resistor R limits current as listed in Table 4 with supply voltage at 5V level Table 5 lists estimated c
7. s of profits loss of data or data being rendered inaccurate loss of revenues sales business goodwill or use Copyright 2014 Hamletronics Limited 9
8. tor J11 P1 connector mating with Raspberry Pi P1 connector please refer to Table 1 for details P3 footprint for an optional DC DC convertor P4 footprint for an External I O Ports please refer to Table 3 for details P5 header with External I O Ports please refer to Table 2 for details HL1 green LED indicating Power On HL2 yellow LED indicating Heartbeat 1 Hz pulse when in operable state HL3 red LED indicating reception of input signal on any CAPx channel HL4 yellow LED indicating data communication with Raspberry Pi HL5 green LED indicating signal transmission on any PWMx channel 1 Trademark note Raspberry Pi is a trademark of the Raspberry Pi Foundation Copyright 2014 Hamletronics Limited 1 HIT4 User s Manual Hamt tronics PWMx Transmitter Channles CAPx Receiver Channels J6 PWM5 P1 Raspberry Pi J11 Power In J7 PWM6 J8 PWM6 dt il Siam letronics HIT2 HIT4 HL5 TRANSMIT HL4 SPI ACTIVE HL1 POWER ON HL2 HEART BEAT IC1 CAPO Photo Detector Figure 1 HIT4 Board Layout Table 1 Raspberry Pi P1 HIT4 P1 connector pinout Copyright O 2014 Hamletronics Limited 2 HIT4 User s Manual Hamt tronics Table 2 P5 Header pinout Ws o IR transmitter channel et Discrete output Doo 26 ME F Doe Discrete output Discrete output Discrete output Do0 Discrete output 15 Discrete input Discrete input 11 Discrete input e Discrete input
9. tory http lirc sourceforge net remotes Learning a Remote If no suitable remote control available you may record your remote with irrecord Start irrecord with the following command and follow instructions printed on the screen S irrecord n d dev irtO0 myremote Configuring irc devices To create ircO device associated with pwm0 transmitter channel J1 connector execute the following command t irc config pwm0 irc0 lirc myremote myremote note OK irc0 myremote myremote note OK irc0O myremote 18 Copyright 2014 Hamletronics Limited 8 HIT4 User s Manual Hamt tronics To make this ircO device auto created on boot copy it to etc hit directory cp myremote etc hit and append configuration line to etc hit irc conf file t echo pl irc0 Lire myremote gt gt Jeto hit irc conT To test irc device attach an emitter to associated transmitter channel J1 pwm0 and write a repeat count positive number to a remote command created from the configuration file S echo 3 gt sys devices hit irc irc0 commands POWERON Configuring gpio Hamletronics driver exposes Linux s standard gpiochip interface all discrete input output pins can be made available via gpio export t cat sys devices hit hit hit0 0 gpiochip base 208 echo 208 gt sys class gpio export cat sys class gpio gpio208 value 0 Limited Warranty amp Limitation of Liability Hamletronics Limited warrants that the hardware pr
10. urrents for different supply voltages Anode Cathode Figure 11 Table 4 Table 5 of 2 a7 viv s 6 9 12 TR Ohm ma i70 80 so Copyright 2014 Hamletronics Limited 6 HIT4 User s Manual Hamt tronics Connecting IR Photo Sensors Connect external photo sensors to J9 J10 as shown on Figure 12 The photo sensors could be either with carrier out or with demodulator The latte ones are normally tuned to a certain carrier frequency and reject signal with other carrier frequencies Signal form additional sensor can be connected to pin 4 on P5 header 3 3V Tip Nia Signal Ring 4 GND Sleeve Figure 12 PE ikje Installing Software Download and flash raspbian image We recommend Raspbian or minibian for using with HIT boards Raspbian http downloads raspberrypi org raspbian images raspbian 2014 01 09 2014 01 07 wheezy raspbian zi Minibian http heanet dl sourceforge net project minibian 2013 10 13 wheezy minibian tar 9z Please follow Raspberry Pi guide on flashing on of these images to an SD card Once flashing is done insert the flashed SD to your Raspberry Pi connect it to Internet and boot it Installing Hamletronics Software 1 Login to Raspberry Pi either via console or ssh 2 Download packages from Hamletronics site by executing the following command or in other convenient way wget http hamletronics com repo linux image 3 6 11hit 1 0 armhf deb http hamletronics c

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