def _handleReadRequest(self, request):
requestHeader = request.getHeader()
words = IPbusHeader.getWords(requestHeader)
baseAddr = request.getBody()[0]
chipsLog.debug("Read requested on Addr=0x" + uInt32HexStr(baseAddr))
# Response header is the request header but with the Info Code field changed to INFO_CODE_RESPONSE
responseHeader = IPbusHeader.updateInfoCode(
requestHeader, IPbusHeader.INFO_CODE_RESPONSE)
# The (baseAddr & 0xffffffff) forces baseAddr to be in unsigned form (i.e. 0xfffffffc, say, rather than -4)
if (
baseAddr & 0xffffffff
) == 0xffffffff: # A read on this register is a Dummy Hardware Reset Request.
chipsLog.info(
"** Dummy Hardware reset request received! Zeroing all registers. **"
)
self._registers.clear()
responseBody = []
appendToResponseBody = responseBody.append # This is for a speed optimisation
for offset in range(words):
currentReg = baseAddr + offset
# Create these registers if they don't already exist.
if currentReg not in self._registers:
self._registers[currentReg] = 0
appendToResponseBody(self._registers[currentReg])
return TransactionElement.makeFromHeaderAndBody(
responseHeader, responseBody)
def _handleWriteRequest(self, request):
requestHeader = request.getHeader()
words = IPbusHeader.getWords(requestHeader)
requestBody = request.getBody()
baseAddr = requestBody[0]
chipsLog.debug("Write requested on Addr=0x" + uInt32HexStr(baseAddr))
# Response header is the request header with direction bit changed
responseHeader = IPbusHeader.updateDirection(requestHeader, 1)
for offset in range(words):
currentReg = baseAddr + offset
self._registers[currentReg] = requestBody[offset + 1]
return TransactionElement.makeFromHeaderAndBody(responseHeader)
def _handleWriteRequest(self, request):
requestHeader = request.getHeader()
words = IPbusHeader.getWords(requestHeader)
requestBody = request.getBody()
baseAddr = requestBody[0]
chipsLog.debug("Write requested on Addr=0x" + uInt32HexStr(baseAddr))
# Response header is the request header but with the Info Code field changed to INFO_CODE_RESPONSE
responseHeader = IPbusHeader.updateInfoCode(requestHeader, IPbusHeader.INFO_CODE_RESPONSE)
for offset in range(words):
currentReg = baseAddr + offset
self._registers[currentReg] = requestBody[offset + 1]
return TransactionElement.makeFromHeaderAndBody(responseHeader)
def _handleWriteRequest(self, request):
requestHeader = request.getHeader()
words = IPbusHeader.getWords(requestHeader)
requestBody = request.getBody()
baseAddr = requestBody[0]
chipsLog.debug("Write requested on Addr=0x" + uInt32HexStr(baseAddr))
# Response header is the request header but with the Info Code field changed to INFO_CODE_RESPONSE
responseHeader = IPbusHeader.updateInfoCode(
requestHeader, IPbusHeader.INFO_CODE_RESPONSE)
for offset in range(words):
currentReg = baseAddr + offset
self._registers[currentReg] = requestBody[offset + 1]
return TransactionElement.makeFromHeaderAndBody(responseHeader)
def _handleFifoReadRequest(self, request):
requestHeader = request.getHeader()
words = IPbusHeader.getWords(requestHeader)
fifoAddr = request.getBody()[0]
chipsLog.debug("FIFO read requested on Addr=0x" + uInt32HexStr(fifoAddr))
# Response header is the request header with direction bit changed
responseHeader = IPbusHeader.updateDirection(requestHeader, 1)
# Create the register if they don't already exist in our memory space
if fifoAddr not in self._registers:
self._registers[fifoAddr] = 0
# Obviously we don't really have a FIFO, so we'll just have to return the value stored
# at the FIFO's address many times...
value = self._registers[fifoAddr]
responseBody = [value for iReads in range(words)]
return TransactionElement.makeFromHeaderAndBody(responseHeader, responseBody)
def _handleFifoReadRequest(self, request):
requestHeader = request.getHeader()
words = IPbusHeader.getWords(requestHeader)
fifoAddr = request.getBody()[0]
chipsLog.debug("FIFO read requested on Addr=0x" +
uInt32HexStr(fifoAddr))
# Response header is the request header but with the Info Code field changed to INFO_CODE_RESPONSE
responseHeader = IPbusHeader.updateInfoCode(
requestHeader, IPbusHeader.INFO_CODE_RESPONSE)
# Create the register if they don't already exist in our memory space
if fifoAddr not in self._registers:
self._registers[fifoAddr] = 0
# Obviously we don't really have a FIFO, so we'll just have to return the value stored
# at the FIFO's address many times...
value = self._registers[fifoAddr]
responseBody = [value for iReads in range(words)]
return TransactionElement.makeFromHeaderAndBody(
responseHeader, responseBody)
def _handleReadRequest(self, request):
requestHeader = request.getHeader()
words = IPbusHeader.getWords(requestHeader)
baseAddr = request.getBody()[0]
chipsLog.debug("Read requested on Addr=0x" + uInt32HexStr(baseAddr))
# Response header is the request header with direction bit changed
responseHeader = IPbusHeader.updateDirection(requestHeader, 1)
# The (baseAddr & 0xffffffff) forces baseAddr to be in unsigned form (i.e. 0xfffffffc, say, rather than -4)
if (baseAddr & 0xffffffff) == 0xffffffff: # A read on this register is a Dummy Hardware Reset Request.
chipsLog.info("** Dummy Hardware reset request received! Zeroing all registers. **")
self._registers.clear()
responseBody = []
appendToResponseBody = responseBody.append # This is for a speed optimisation
for offset in range(words):
currentReg = baseAddr + offset
# Create these registers if they don't already exist.
if currentReg not in self._registers:
self._registers[currentReg] = 0
appendToResponseBody(self._registers[currentReg])
return TransactionElement.makeFromHeaderAndBody(responseHeader, responseBody)