Ryo Od / Mbed 2 deprecated Nucleo_MCP23S17_Test

MCP23S17 Test

Dependencies:   MCP23S17 mbed mbed-rtos

main.cpp@3:42a3ae578926, 2016-10-30 (annotated)

Committer:
ryood
Date:
Sun Oct 30 07:19:46 2016 +0000
Revision:
3:42a3ae578926
Parent:
2:c8c30a78bbb3 
Change the MCP23S17 Library to https://developer.mbed.org/users/stjo2809/code/MCP23S17/; Impl. Interrupt;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ryood 0:5610193796b3 1 /*
ryood 0:5610193796b3 2 * MCP23S17 Test
ryood 0:5610193796b3 3 *
ryood 3:42a3ae578926 4 * MCP23S17 Library:
ryood 3:42a3ae578926 5 * https://developer.mbed.org/users/stjo2809/code/MCP23S17/
ryood 0:5610193796b3 6 *
ryood 2:c8c30a78bbb3 7 * mbed: rev 121
ryood 2:c8c30a78bbb3 8 * mbed-rtos: rev 117
ryood 2:c8c30a78bbb3 9 *
ryood 0:5610193796b3 10 * Created: 2016.10.28
ryood 0:5610193796b3 11 *
ryood 0:5610193796b3 12 */
ryood 0:5610193796b3 13
ryood 0:5610193796b3 14 #include "mbed.h"
ryood 1:5321e8f5b339 15 #include "rtos.h"
ryood 0:5610193796b3 16 #include "MCP23S17.h"
ryood 0:5610193796b3 17
ryood 2:c8c30a78bbb3 18 SPI Spi(PC_12, PC_11, PC_10); // SPI3: mosi, miso, sclk
ryood 2:c8c30a78bbb3 19 //SPI Spi(PA_7, PA_6, PA_5); // SPI1: mosi, miso, sclk
ryood 0:5610193796b3 20
ryood 3:42a3ae578926 21 InterruptIn Mcp23s17Int(PA_14);
ryood 3:42a3ae578926 22
ryood 3:42a3ae578926 23 // MCP23S17(int hardwareaddress, SPI& spi, PinName nCs, PinName nReset);
ryood 3:42a3ae578926 24 MCP23S17 Mcp23s17(0x00, Spi, PD_2, PA_13);
ryood 3:42a3ae578926 25
ryood 3:42a3ae578926 26 void dataChanged()
ryood 3:42a3ae578926 27 {
ryood 3:42a3ae578926 28 char data = Mcp23s17.intcapb();
ryood 3:42a3ae578926 29 wait_us(1);
ryood 3:42a3ae578926 30 Mcp23s17.gpioa(data);
ryood 3:42a3ae578926 31 }
ryood 0:5610193796b3 32
ryood 0:5610193796b3 33 int main()
ryood 0:5610193796b3 34 {
ryood 0:5610193796b3 35 printf("\r\n\n*** MCP23S17 Test ***\r\n");
ryood 0:5610193796b3 36
ryood 3:42a3ae578926 37 // Reset MCP23S17
ryood 3:42a3ae578926 38 Mcp23s17.reset();
ryood 3:42a3ae578926 39
ryood 0:5610193796b3 40 // PORTA output
ryood 3:42a3ae578926 41 Mcp23s17.iodira(0x00);
ryood 0:5610193796b3 42
ryood 0:5610193796b3 43 // PORTB input
ryood 3:42a3ae578926 44 Mcp23s17.iodirb(0xFF);
ryood 0:5610193796b3 45 // PORTB pull-up
ryood 3:42a3ae578926 46 Mcp23s17.gppub(0xFF);
ryood 3:42a3ae578926 47 // PORTB invert polarity
ryood 3:42a3ae578926 48 Mcp23s17.ipolb(0xFF);
ryood 3:42a3ae578926 49 // PORTB enable on change interrupt
ryood 3:42a3ae578926 50 Mcp23s17.gpintenb(0xFF);
ryood 3:42a3ae578926 51
ryood 3:42a3ae578926 52 // Attach the callback function
ryood 3:42a3ae578926 53 Mcp23s17Int.rise(&dataChanged);
ryood 0:5610193796b3 54
ryood 0:5610193796b3 55 // LED Check
ryood 0:5610193796b3 56 for (int i = 0; i < 8; i++) {
ryood 3:42a3ae578926 57 Mcp23s17.gpioa(1 << i);
ryood 3:42a3ae578926 58 wait(0.1);
ryood 0:5610193796b3 59 }
ryood 3:42a3ae578926 60 Mcp23s17.gpioa(0x00);
ryood 2:c8c30a78bbb3 61
ryood 0:5610193796b3 62 while (true) {
ryood 0:5610193796b3 63 }
ryood 0:5610193796b3 64 }
ryood 0:5610193796b3 65