Shared RAM CPU FPGA¶

La commande (monitor) 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

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

Create Block¶

Configure BRAM

Memory Type: True Dual Port RAM

(Disable) Enable Safety Circuit

Run Connection Automation axi_gpio_0/S_AXI

after Automation¶

Run Connection Automation axi_gpio_0/gpio

After Automation

Run Connection Automation axi_gpio_0/gpio

After Automation

Address Editor

Ecriture dans la RAM¶

Utilisation du programme :
memrw.c

Source:¶

https://www.geii.eu/index.php?option=com_content&view=article&id=236&Itemid=933#introduction
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/