Frédéric Blanc » Red Pitaya

h1. Shared RAM CPU FPGA

h2. commande pour ecrire dans la DDR *monitor*

Usage:

    read addr: address

    write addr: address value

    read analog mixed signals: -ams

    set slow DAC: -sdac AO0 AO1 AO2 AO3 [V]

https://redpitaya.readthedocs.io/en/latest/appsFeatures/command_line_tools/com_line_tool.html#accessing-system-registers

code source

https://github.com/RedPitaya/RedPitaya/tree/master/Test/monitor

h2. Cache

https://docs.xilinx.com/r/en-US/oslib_rm/Arm-Cortex-A53-64-bit-Processor-Cache-Functions

https://github.com/Xilinx/embeddedsw/blob/master/lib/bsp/standalone/src/arm/cortexa9/xil_cache.h

h2. Create Block

!clipboard-202311131026-thzpz.png!

h3. Configure BRAM

!clipboard-202311131035-htcja.png!

Memory Type: True Dual Port RAM

!clipboard-202311131039-uqbax.png!

(Disable) Enable Safety Circuit

!clipboard-202311131043-wbbsw.png!

Run Connection Automation axi_gpio_0/S_AXI

!clipboard-202311131043-jszfx.png!

after Automation

!clipboard-202311131045-aisy4.png!

Run Connection Automation axi_gpio_0/gpio

!clipboard-202311131047-kzdy7.png!

After Automation

!clipboard-202311131052-jlgz6.png!

Run Connection Automation axi_gpio_0/gpio

!clipboard-202311131051-p1my8.png!

After Automation

!clipboard-202311131055-lg6tx.png!

Address Editor

h2. Ecriture dans la RAM

Utilisation du programme :

document:"memrw.c"

h2. Source:

https://support.xilinx.com/s/question/0D52E00006hplPeSAI/axi4-stream-fifo-keeps-data?language=en_US

https://forum.digilent.com/topic/3822-what-is-the-fastest-way-to-save-pl-data/