VHDL codes

Several VHDL files and libraries, unitary and top verification, documentation

Folders

• ADC128S022 : ADC driver on DE0-Nano board
• Algorithm : Miscellaneous algorithm
• APB : Some APB tests
• CRC : Some CRC tests
• DE0_nano : Library for DE0 Nano board projects
• FSM : Some FSM tests
• FUNCTIONS : Some Functions
• Generic_TestBench : a first try of a generic testbench in VHDL
• GPT : Some VHDL codes generated by chatGPT bot - to be tested
• I2C : I2C masters
• LCD : LCD12232 - LCD_CFAH1602BTMCJP projects
• Makefile : Several Makefile used for my testbench environment
• MAX7219 : MAX7219 dot matrix project
• MISC : Miscellaneous VHDL files
• PKG : Some VHDL package with usefull functions
• PR_115 : VHDL library for PR_115 board
• PRBS : Some PRBS tests
• PWM : Some PWM tests
• RAM : Some RAM description in VHDL
• SDRAM_IS42S : SDRAM_IS42S controller test
• SPI : Some SPI VHDL codes
• Testbench : Contains a library use to run specific test nd performs CODE COVERAGE with GHDL
• UART : UART RX/TX block and UART Dot matrix display controller projects
• WS2812 : WS2812 Tests
• WS2812_manage : WS2812 Tests

MAX7219

Libraries fo the control of the MAX7219 component

lib_max7219_static

• pkg_max7219_static.vhd : Package with components of lib_max7219_static
• max7219_ram_decod.vhd : RAM command decoder
• max7219_cmd_decod.vhd : Top block

lib_max7219_scroller

• pkg_max7219_scroller.vhd : Package with components of lib_max7219_scroller
• max7219_scroller_if.vhd : Scroller interface with MAX7219_IF block
• max7219_ram2scroller.vhd : Interface between MAX7219_SCROLLER_if and TDPRAM
• max7219_ctrl.vhd : Scroller Controller Top block

MAX7219_SCROLLER_CTRL Block diagram :

Others files

• max7219_if.vhd : physical interface with the MAX7219
• max7219_ram_decod.vhd : read data from a TDPRAM single clock and command the max7219_if block