wimbeaumont Project / Mbed 2 deprecated MCP23009tst

test program for the MCP23009 class, MCP23009 is a I2C general IO extender

Dependencies:   DevInterfaces I2Cinterfaces MCP23009 mbed

main.cpp@0:30918bdf8a94, 2016-06-03 (annotated)

Committer:
wbeaumont
Date:
Fri Jun 03 16:04:04 2016 +0000
Revision:
0:30918bdf8a94
simple test program for the MCP23009  I2C general purpose IO extender

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wbeaumont 0:30918bdf8a94 1 #include "mbed.h"
wbeaumont 0:30918bdf8a94 2
wbeaumont 0:30918bdf8a94 3
wbeaumont 0:30918bdf8a94 4 #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
wbeaumont 0:30918bdf8a94 5 PinName const SDA = PTE25;
wbeaumont 0:30918bdf8a94 6 PinName const SCL = PTE24;
wbeaumont 0:30918bdf8a94 7 #elif defined (TARGET_KL05Z)
wbeaumont 0:30918bdf8a94 8 PinName const SDA = PTB4;
wbeaumont 0:30918bdf8a94 9 PinName const SCL = PTB3;
wbeaumont 0:30918bdf8a94 10 #elif defined (TARGET_K20D50M)
wbeaumont 0:30918bdf8a94 11 PinName const SDA = PTB1;
wbeaumont 0:30918bdf8a94 12 PinName const SCL = PTB0;
wbeaumont 0:30918bdf8a94 13 #else
wbeaumont 0:30918bdf8a94 14 #error TARGET NOT DEFINED
wbeaumont 0:30918bdf8a94 15 #endif
wbeaumont 0:30918bdf8a94 16
wbeaumont 0:30918bdf8a94 17 #include "I2C.h"
wbeaumont 0:30918bdf8a94 18 #include "I2CInterface.h"
wbeaumont 0:30918bdf8a94 19 #include "MBEDI2CInterface.h"
wbeaumont 0:30918bdf8a94 20
wbeaumont 0:30918bdf8a94 21 #include "dev_interface_def.h"
wbeaumont 0:30918bdf8a94 22
wbeaumont 0:30918bdf8a94 23 #include "mcp23009.h"
wbeaumont 0:30918bdf8a94 24
wbeaumont 0:30918bdf8a94 25 MBEDI2CInterface mbedi2c( SDA, SCL);
wbeaumont 0:30918bdf8a94 26 MBEDI2CInterface* mbedi2cp= &mbedi2c ;
wbeaumont 0:30918bdf8a94 27 I2CInterface* i2cdev= mbedi2cp;
wbeaumont 0:30918bdf8a94 28
wbeaumont 0:30918bdf8a94 29
wbeaumont 0:30918bdf8a94 30 Serial pc(USBTX, USBRX);
wbeaumont 0:30918bdf8a94 31
wbeaumont 0:30918bdf8a94 32
wbeaumont 0:30918bdf8a94 33 int main(void)
wbeaumont 0:30918bdf8a94 34 {
wbeaumont 0:30918bdf8a94 35
wbeaumont 0:30918bdf8a94 36 PwmOut rled(LED1);
wbeaumont 0:30918bdf8a94 37 PwmOut gled(LED2);
wbeaumont 0:30918bdf8a94 38 PwmOut bled(LED3);
wbeaumont 0:30918bdf8a94 39
wbeaumont 0:30918bdf8a94 40 MCP23009 gpio(i2cdev, 0);
wbeaumont 0:30918bdf8a94 41
wbeaumont 0:30918bdf8a94 42 printf("mcp23009 test program %s %s \n\r",__DATE__,__TIME__);
wbeaumont 0:30918bdf8a94 43 int pincnt=0;
wbeaumont 0:30918bdf8a94 44 int pinv;
wbeaumont 0:30918bdf8a94 45 if( gpio.set_as_output(0,0)) {printf("(I2C) error setting pin 0 as ouput\n\r");}
wbeaumont 0:30918bdf8a94 46 if( gpio.set_as_input(1,0)) {printf("(I2C) error setting pin 1 as input\n\r");}
wbeaumont 0:30918bdf8a94 47 if( gpio.set_as_output(2,0)) {printf("(I2C) error setting pin 2 as ouput\n\r");}
wbeaumont 0:30918bdf8a94 48 if( gpio.set_as_output(3,1)) {printf("(I2C) error setting pin 3 as ouput\n\r");}
wbeaumont 0:30918bdf8a94 49 if( gpio.set_as_output(4,1)) {printf("(I2C) error setting pin 4 as ouput\n\r");}
wbeaumont 0:30918bdf8a94 50 if( gpio.set_as_output(5,1)) {printf("(I2C) error setting pin 5 as ouput\n\r");}
wbeaumont 0:30918bdf8a94 51 if( gpio.set_as_output(6,0)) {printf("(I2C) error setting pin 6 as ouput\n\r");}
wbeaumont 0:30918bdf8a94 52 if( gpio.set_as_output(7,1)) {printf("(I2C) error setting pin 7 as ouput\n\r");}
wbeaumont 0:30918bdf8a94 53 int value;
wbeaumont 0:30918bdf8a94 54 while (true) {
wbeaumont 0:30918bdf8a94 55 value = gpio.status(pincnt);
wbeaumont 0:30918bdf8a94 56 printf("pinnr : current status : %d\n\r",value);
wbeaumont 0:30918bdf8a94 57 value = gpio.status(8);
wbeaumont 0:30918bdf8a94 58 printf("all pins: current status : 0x%02X\n\r",value);
wbeaumont 0:30918bdf8a94 59 value = gpio.outp_status(8);
wbeaumont 0:30918bdf8a94 60 printf("all pins: current outputstatus : 0x%02X\n\r",value);
wbeaumont 0:30918bdf8a94 61 printf("give new value for pinnr:%d ",pincnt);
wbeaumont 0:30918bdf8a94 62 scanf("%d",&pinv); printf("\n\r");
wbeaumont 0:30918bdf8a94 63
wbeaumont 0:30918bdf8a94 64 gpio.set(pincnt,pinv);
wbeaumont 0:30918bdf8a94 65 pincnt++;
wbeaumont 0:30918bdf8a94 66
wbeaumont 0:30918bdf8a94 67 wait(0.1f);
wbeaumont 0:30918bdf8a94 68 if ( pincnt > 7 ) pincnt=0;
wbeaumont 0:30918bdf8a94 69 }
wbeaumont 0:30918bdf8a94 70 }