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Diffstat (limited to 'firmware/fx3/README.md')
| -rw-r--r-- | firmware/fx3/README.md | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/firmware/fx3/README.md b/firmware/fx3/README.md index e2e8a13d4..7e94c247c 100644 --- a/firmware/fx3/README.md +++ b/firmware/fx3/README.md @@ -9,10 +9,8 @@ show you how to build our firmware source **A brief "Theory of Operations":** The host sends commands to the FX3, our USB3 PHY, which has an on-board ARM -which runs the FX3 firmware code (hex file). That code translates commands into -SPI commands to/from the AD9361. The SPI lines run through the FPGA (bin or bit -file), where they are level-translated, and then head to the AD9361. Note that -the FPGA takes no action on these SPI lines. They are passive pass-throughs. +which runs the FX3 firmware code (hex file). That code is responsible for +managing the transport from the host to the FPGA by configuring IO and DMA. ## Setting up the Cypress SDK @@ -46,7 +44,6 @@ uhd.git/ | --fx3/ | - --ad9361/ # From UHD --b200/ # From UHD --common/ # From Cypress SDK --gpif2_designer/ # From UHD |