This is a small test application to see how the lowlevel-driver functions of the proprietary nrf24l01p-transceiver work. These functions consist of general SPI and GPIO commands, which abstract the driver-functions from the used board.
Please compare the `tests/driver_nrf24l01p_lowlevel/Makefile` for predefined pin-mappings on different boards. (In addition, you also need to connect to 3V and GND)
## Usage
You should be presented with the RIOT shell, providing you with commands to initialize the transceiver (command: `it`), sending one packet (command: `send`) or read out and print all registers of the transceiver as binary values (command: `prgs`).
### Procedure
* take two boards and connect a transceiver to each
(it should be also possible to use one board with different SPI-ports)
* depending on your board, you'll maybe also need to connect a UART/tty converter
* build and flash the test-program to each
* open a terminal (e.g. pyterm) for each
* if possible, reset the board by using the reset-button. You'll see "_Welcome to RIOT_" etc.
* type `help` to see the description of the commands
* initialize both with `it`
* with one board, send a packet by typing `send`
* in the next step you can also use `send` to send data in the other direction
* now you can use send on both boards/transceivers to send messages between them
## Expected Results
After you did all steps described above, you should see that a 32 Byte sequence (numbers from 32...1) has been transferred from one device to the other. This sequence is printed out from the receiver after the receive interrupt occurred and the receive-procedure has been made.
After initialization (`it`) you should see the following output:
