def poolData(timeout):
buf = bytearray()
buf.append(rrpi.NRF_POOL_DATA)
rrpi.intArrayToBuffer(struct.pack("f", timeout), buf)
_rrpi.send(buf)
res = _rrpi.recvBool()
if DEBUG:
print(">> sent NRF_POOL_DATA, got " + str(res))
return res
def initNRF(spiBus, spiDevice, packetSize, address, channel):
global _rrpi
_rrpi = rrpi.RRPi()
buf = bytearray()
buf.append(rrpi.NRF_INIT)
buf.append(spiBus)
buf.append(spiDevice)
buf.append(packetSize)
rrpi.intArrayToBuffer(address, buf)
buf.append(channel)
_rrpi.send(buf)
if DEBUG:
print(">> sent NRF_INIT")
def sendAndReceive(data, timeout):
buf = bytearray()
buf.append(rrpi.NRF_SEND_AND_RECEIVE)
rrpi.intArrayToBuffer(struct.pack("f", timeout), buf)
size = len(data)
buf.append(size)
_rrpi.send(rrpi.intArrayToBuffer(data, buf))
time.sleep(0.001)
recieved = _rrpi.recv(size)
res = rrpi.bytesToIntArray(recieved)
if DEBUG:
print(">> sent NRF_SEND_AND_RECEIVE; set= " + str(data) + ", " +
str(timeout) + ", got= " + str(res))
return res
def setWritePipeAddress(address):
buf = bytearray()
buf.append(rrpi.NRF_SET_WRITE_PIPE_ADR)
_rrpi.send(rrpi.intArrayToBuffer(address, buf))
if DEBUG:
print(">> sent NRF_SET_WRITE_PIPE_ADR " + str(address))
def setReadPipeAddress(pipeNumber, address):
buf = bytearray()
buf.append(rrpi.NRF_SET_READ_PIPE_ADR)
buf.append(pipeNumber)
_rrpi.send(rrpi.intArrayToBuffer(address, buf))
if DEBUG:
print(">> sent NRF_SET_READ_PIPE_ADR " + str(pipeNumber) + ", " +
str(address))
def sendData(data):
buf = bytearray()
buf.append(rrpi.NRF_SEND)
buf.append(len(data))
_rrpi.send(rrpi.intArrayToBuffer(data, buf))
res = _rrpi.recvBool()
if DEBUG:
print(">> sent NRF_SEND, get " + str(res))
return res
def xfer(self, data, speed_hz=0, delay_usec=0, bits_per_word=8):
b = bytearray()
b.append(rrpi.SPI_XFER)
b.append(len(data) & 255)
b.append(len(data) >> 8 & 255)
self._rrpi.send(rrpi.intArrayToBuffer(data, b))
rec = self._rrpi.recv(len(data))
resp = []
for bb in rec:
resp.append(bb)
return resp