https://ennis.zhaw.ch/wiki/ 2026-04-28T05:36:54+00:00 https://ennis.zhaw.ch/wiki/ https://ennis.zhaw.ch/wiki/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2018-01-14T09:30:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:7segment&rev=1515922220&do=diff 7-Segment Display The CT Board provides four 7-segment displays. The displays can be accessed through two different interfaces: * The binary interface, for HEX representation of binary values * The "segment control" interface, for independent control of each segment text/html 2022-12-23T11:07:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:7segment_bin&rev=1671793671&do=diff 7-Segment Display - Binary Interface The four 7-segment displays can jointly display a 16-bit value as a four digit HEX number. In this mode the display can't be switched off, use the segment control interface instead. " Please make sure the CT Board is in the correct mode. text/html 2022-12-23T11:08:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:7segment_raw&rev=1671793720&do=diff 7-Segment Display - Segment Control Mode Each segment of the display can be controlled independently. The segments are “active-low”, e.g. the segment is on if a logic “0” is written to it. " Please make sure the CT Board is in the correct mode. text/html 2016-02-25T10:53:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:analog&rev=1456397637&do=diff Potentiometer The Potentiometer is directly connected to the STM32F429ZI microcontroller on ADC3 channel 4. " This functionality is independent of the CT Board mode. Supported modes: Available in all modes. " Programming Example To configure and use the potentiometer, setup text/html 2022-12-23T11:00:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:button&rev=1671793246&do=diff Buttons The 4 buttons on the CT Board are “active-high”, e.g. a pressed button is read as logical “1”, and debounced. The buttons are accessible over the memory mapped interface or on GPIO port C. " Please make sure the CT Board is in the correct mode. text/html 2022-12-27T16:38:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:dipsw&rev=1672159083&do=diff DIPSW The CT Board features 32 DIP switches. They are arranged in 4 groups of 8 DIP switches. If a DIP switch is in the position “high” (see below) it provides a logical “1”. " Please make sure the CT Board is in the correct mode. text/html 2017-08-29T09:19:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:gpio&rev=1503998393&do=diff GPIO The CT Board offers on the 4 general purpose ports the following functions: * 4 general purpose I/O ports * 32 memory mapped output pins * 32 memory mapped input pins * 2 general purpose I/O ports, directly connected to MCUs Port A and B * External interface to text/html 2022-12-23T11:05:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:gpio_cpld&rev=1671793507&do=diff GPIO over CPLD Each of the 4 GPIO ports contains 8 ouput and 8 input pins. The ports are not as fast as the integrated GPIO ports of the microcontroller. " Please make sure the CT Board is in the correct mode. Supported mode: 1" Registers Input text/html 2016-02-25T11:39:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:gpio_mcu&rev=1456400361&do=diff GPIO over MCU These two ports are directly connected to the GPIO ports A and B on the microcontroller. All functions of theese GPIO ports are available. " This functionality is independent of the CT Board mode. Supported modes: Available in all modes. " Programming Example text/html 2022-12-23T11:01:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:hexsw&rev=1671793307&do=diff HEXSW The HEX switch on the CT Board can switch through 16 different states (4 bit). " Please make sure the CT Board is in the correct mode. Supported modes: 1, 2, 3, 4 " Registers Caveat: Register bits [7:4] are read as '1' and therefore need to be masked. text/html 2017-08-29T09:25:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:lcd&rev=1503998750&do=diff LCD The LCD character display can be used in two different ways: * Output ASCII characters over a simple LCD controller. * Output binary values in HEX representation (max. 128 bit). Each RGB colour of the background light is controlled by a 16 bit PWM controller. Diagram text/html 2022-12-23T12:20:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:lcd_ascii&rev=1671798031&do=diff LCD ASCII Interface Every position on the LCD corresponds to an address. See below for the relation. " Please make sure the CT Board is in the correct mode. Supported modes: 1, 2, 3, 4 " Registers The registers are write only. Display Positions text/html 2022-12-27T16:35:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:lcd_bg&rev=1672158955&do=diff LCD Background Light Each RGB colour of the background light is controlled by an individual 16 bit PWM generator. The brightness of each RGB colour can be regulated from 0x0000 (0% / off) to 0xffff (100%). To adapt the brightness curve to the human eye an adaption to a logarithmic scale has to be done manually. text/html 2022-12-23T12:22:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:lcd_bin&rev=1671798144&do=diff Binary Interface The binary interface can be used to display binary values in HEX representation. A maximum of 128 bits can be displayed. " Please make sure the CT Board is in the correct mode. Supported modes: 1, 2, 3, 4 " Registers The Registers are read / write. text/html 2022-12-23T11:06:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:led&rev=1671793593&do=diff LED The CT Board features 32 LEDs. They are arranged in 4 groups of 8 LEDs and are “active-high”. E.g. the LEDs are on if a logical “1” is written. " Please make sure the CT Board is in the correct mode. Supported modes: 1, 2, 3, 4 " text/html 2017-08-29T09:37:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:memory_bus&rev=1503999452&do=diff External Memory Bus The CT Board is connected to the microcontroller through the SRAM interface. This interface is also available on ports P1..4. The full SRAM interface is connected. " Please make sure the CT Board is in the correct mode. Supported text/html 2022-12-27T17:33:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:memory_bus_osci&rev=1672162438&do=diff Memory Bus Visualization on Oscilloscope There is a mode to visualize the bus on a oscilloscope. The ports are specially configured to directly plug in the logic probe of a Tektronix logic analyzer. " Please make sure the CT Board is in the correct mode. text/html 2017-08-28T12:54:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://ennis.zhaw.ch/wiki/doku.php?id=ctboard:peripherals:usart&rev=1503924877&do=diff UART over CPLD Lorem Ipsum. " Please make sure the CT Board is in the correct mode. Supported modes: 4 " Pin Out UART4: PC.10, PC.11 UART6: PC.6, PC.7