pyupm_nrf24l01 source and destination address giving me issues.

[aafeliz]

Hi, I am currently working on creating a class that contains an NRF24L01 object. I keep getting an error stating that the addresses need to be uint8_t*, any ideas on how to get that done on python. I noticed that there were other sensors that used some sort of method that was define as part of the class. However pyupm_nrf24l01 does not contain such method. //////////////////////////////////////////////////////////////// import pyupm_nrf24l01 as trans

class Transceiver(object): def init(self, ch=99, srcAddress=[0x01, 0x01, 0x01, 0x01, 0x01], destAddress=[0x01, 0x01, 0x01, 0x01, 0x01]): self.module = trans.NRF24L01(45, 46)#7,8

    self.module.setSourceAddress(srcAddress)
    self.module.setDestAddress(destAddress)
    self.module.setPayload(trans.MAX_BUFFER)
    self.module.setChannel(ch)
    self.module.configure()
    self.module.setDataReceivedHandler(self.NRFHandler())
    self.module.setSpeedRate(trans.NRF_2MBPS)

def NRFHandler(self):
    print("recieved data: " + str(self.module.m_rxBuffer[:]))

def sendData(self, data):
    self.module.m_txBuffer = data
    self.module.send()

///////////////////////////////////////////////////////////////// I tried using the following line: self.module.setSourceAddress(srcAddress). However it then gives me an error telling me that it is exception two parameters but I am trying to pass 6. I also noticed that there are no examples using pyupm_nrf24l01. I only noticed that it is implemented in c++(not Python).

[Propanu]

Hi, the python & node.js interfaces for the NRF24L01 are incomplete and missing typemaps for pointers/arrays, thus they will have to be updated. So far this driver has only been tested in C++ on a Galileo Gen 2 board.

[aafeliz]

do you have any suggestions for a temporary solution because I currently working on a robot project and time is of the essence.

[Propanu]

The Intel Edison has integrated WiFi and BLE. For the Galileo boards we really recommend a mPCIe wireless card (e.g. Intel 6235). You can find out more about some of the supported cards in this thread. The benefit of this solution is dual-band WiFi + BLE in one package.

[malikabhi05]

Hi @aafeliz , the typemaps have been added for python and nodejs for nrf24l01, you should now be able to create a uint8Array using something like:

y = pyupm_nrf24l01.uint8Array(5)

the array is initially populated with garbage values:

y[0] 56L y[1] 24L

as of now I don't know of an easy way to populate the array all at once, however it seems to work individually:

y[0] = 0x01 y[0] 1L

and it can be passed to the function without receiving the error:

x = pyupm_nrf24l01.NRF24L01(1,1) x.setDestinationAddress(y)

We haven't yet created any examples for python and nodejs for this sensor, however we will be doing so soon. Hopefully, the approach described above works.

[Propanu]

@aafeliz please let us know if this works for you, or if you chose an alternative solution instead. Thanks!

[Propanu]

Considering this resolved with the addition of the new typemaps.