A cocotb extension for HyperBus controllers
Project description
cocotb extension for HyperBus
Installation
Installation from pip (release version, stable):
pip install cocotbext-hyperbus
Installation for active development:
git clone https://github.com/meeeeet/cocotbext_hyperbus
pip install -e cocotbext_hyperbus
Documentation and usage examples
See the tests
directory for complete testbenches using these modules.
NOTE: Change the following parameter from the RTL code of Infineon's HyperRAM else the cocotb will have to wait for long duration and simulation may gets crash.
// tdevice values: values for internal delays
// power-on reset
specparam tdevice_VCS = 150;
// Deep Power Down to Idle wake up time
specparam tdevice_DPD = 150;
// Exit Event from Deep Power Down
specparam tdevice_DPDCSL = 20;
// Warm HW reset
specparam tdevice_RPH = 40;
// Refresh time
specparam tdevice_REF100 = 40;
// Page Open Time
specparam tdevice_PO100 = 40;
HyperBus
The HyperBusController
class can be used to drive and receive data from HyperRAM.
To use these modules, import the one you need and connect it to the DUT:
from cocotbext_hyperbus import HyperBusController
@cocotb.test()
async def sample_test(dut):
hbc=HyperBusController(dut)
Methods
Reset(dut)
: Reset the dutWriteReg(addr,data)
: Write data into register at addrReadReg(addr)
: Read from register at addrgenerate_random_data(len)
: Generate random 32-bit data of len lengthWriteMem(addr,data)
: Write data into memory at addrReadMem(addr,len)
: Read len 32-bit data from memory starting from addr
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