Hardware requirements
Micro USB cable
Two LPCXpresso860MAX boards
Personal Computer
Board settings
Pin connecting:
Connect SPI master on board to SPI slave on other board
Master - SPI0 Slave - SPI0
Pin Name Board Location Pin Name Board Location
MISO J1 pin 10 MISO J1 pin 10
MOSI J1 pin 8 MOSI J1 pin 8
SCK J1 pin 12 SCK J1 pin 12
SSEL0 J1 pin 6 SSEL0 J1 pin 6
GND J1 pin 14 GND J1 pin 14
Prepare the Demo
Connect a micro USB cable between the PC host and the CMSIS DAP USB port on the board
Open a serial terminal with the following settings:
9600 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.
Running the demo
The log below shows the output of the hello world demo in the terminal window:
This is SPI interrupt functional slave example.
Slave is working....
The received data are:
0x 0 0x 1 0x 2 0x 3 0x 4 0x 5 0x 6 0x 7 0x 8 0x 9 0x A 0x B 0x C 0x D 0x E 0x F
0x10 0x11 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x19 0x1A 0x1B 0x1C 0x1D 0x1E 0x1F
0x20 0x21 0x22 0x23 0x24 0x25 0x26 0x27 0x28 0x29 0x2A 0x2B 0x2C 0x2D 0x2E 0x2F
0x30 0x31 0x32 0x33 0x34 0x35 0x36 0x37 0x38 0x39 0x3A 0x3B 0x3C 0x3D 0x3E 0x3F
Slave transfer succeed!