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tests/driver_nrf24l01p_lowlevel/README.md: trailing whitespace and line lengths
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Joakim Gebart
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# Test for nrf24l01p lowlevel functions
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# Test for nrf24l01p lowlevel functions
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## About
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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.
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This is a small test application to see how the lowlevel-driver functions of
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the proprietary nrf24l01p-transceiver work. These functions consist of general
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SPI and GPIO commands, which abstract the driver-functions from the used board.
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## Predefined pin mapping
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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)
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Please compare the `tests/driver_nrf24l01p_lowlevel/Makefile` for predefined
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pin-mappings on different boards. (In addition, you also need to connect to 3V
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and GND)
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## Usage
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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`).
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You should be presented with the RIOT shell, providing you with commands to
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initialize the transceiver (command: `it`), sending one packet (command:
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`send`) or read out and print all registers of the transceiver as binary values
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(command: `prgs`).
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### Procedure
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* take two boards and connect a transceiver to each
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(it should be also possible to use one board with different SPI-ports)
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* depending on your board, you'll maybe also need to connect a UART/tty converter
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* build and flash the test-program to each
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* open a terminal (e.g. pyterm) for each
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* if possible, reset the board by using the reset-button. You'll see "_Welcome to RIOT_" etc.
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* type `help` to see the description of the commands
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* initialize both with `it`
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* with one board, send a packet by typing `send`
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* in the next step you can also use `send` to send data in the other direction
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* now you can use send on both boards/transceivers to send messages between them
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* take two boards and connect a transceiver to each
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(it should be also possible to use one board with different SPI-ports)
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* depending on your board, you'll maybe also need to connect a UART/tty converter
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* build and flash the test-program to each
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* open a terminal (e.g. pyterm) for each
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* if possible, reset the board by using the reset-button. You'll see "_Welcome to RIOT_" etc.
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* type `help` to see the description of the commands
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* initialize both with `it`
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* with one board, send a packet by typing `send`
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* in the next step you can also use `send` to send data in the other direction
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* now you can use send on both boards/transceivers to send messages between them
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## Expected Results
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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.
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After you did all steps described above, you should see that a 32 Byte sequence
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(numbers from 32...1) has been transferred from one device to the other. This
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sequence is printed out from the receiver after the receive interrupt occurred
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and the receive-procedure has been made.
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After initialization (`it`) you should see the following output:
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```
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> it
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Init Transceiver
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Registering nrf24l01p_rx_handler thread...
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################## Print Registers ###################
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REG_CONFIG:
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REG_CONFIG:
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0x0 returned: 00111111
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REG_EN_AA:
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REG_EN_AA:
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0x1 returned: 00000001
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REG_EN_RXADDR:
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REG_EN_RXADDR:
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0x2 returned: 00000011
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REG_SETUP_AW:
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REG_SETUP_AW:
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0x3 returned: 00000011
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REG_SETUP_RETR:
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REG_SETUP_RETR:
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0x4 returned: 00101111
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REG_RF_CH:
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REG_RF_CH:
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0x5 returned: 00000101
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REG_RF_SETUP:
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REG_RF_SETUP:
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0x6 returned: 00100111
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REG_STATUS:
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REG_STATUS:
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0x7 returned: 00001110
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REG_OBSERVE_TX:
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REG_OBSERVE_TX:
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0x8 returned: 00000000
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REG_RPD:
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REG_RPD:
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0x9 returned: 00000000
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REG_RX_ADDR_P0:
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0xa returned: e7 e7 e7 e7 e7
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REG_RX_ADDR_P0:
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0xa returned: e7 e7 e7 e7 e7
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REG_TX_ADDR:
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0x10 returned: e7 e7 e7 e7 e7
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REG_TX_ADDR:
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0x10 returned: e7 e7 e7 e7 e7
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REG_RX_PW_P0:
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REG_RX_PW_P0:
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0x11 returned: 00100000
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REG_FIFO_STATUS:
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REG_FIFO_STATUS:
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0x17 returned: 00010001
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REG_DYNPD:
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REG_DYNPD:
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0x1c returned: 00000000
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REG_FEATURE:
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REG_FEATURE:
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0x1d returned: 00000000
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```
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@ -89,6 +104,6 @@ After the data has been sent (`send`), you should see the following output on th
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```
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In HW cb
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nrf24l01p_rx_handler got a message: Received packet.
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32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
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32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
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```
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```
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