PCA9538_example - Example PCA9538 I2C Expander

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Example PCA9538 I2C Expander

main.cpp@0:b1f14a61b440, 2011-02-02 (annotated)

User	Revision	Line number	New contents of line
Suky	0:b1f14a61b440	1	#include "mbed.h"
Suky	0:b1f14a61b440	2	#include "PCA9538.h"
Suky	0:b1f14a61b440	3
Suky	0:b1f14a61b440	4	//PCA9538 MyExpand(p9,p10,0x70,p21);
Suky	0:b1f14a61b440	5	DigitalOut myled(LED1);
Suky	0:b1f14a61b440	6	DigitalOut myled2(LED2);
Suky	0:b1f14a61b440	7	PCA9538PinOut myled3(exp_p4,p9,p10,0x70);
Suky	0:b1f14a61b440	8	PCA9538PinOut myled4(exp_p7,p9,p10,0x70);
Suky	0:b1f14a61b440	9	PCA9538PinIn mypuls(exp_p0,p9,p10,0x70);
Suky	0:b1f14a61b440	10	//void vISRExpand(void);
Suky	0:b1f14a61b440	11
Suky	0:b1f14a61b440	12	int main() {
Suky	0:b1f14a61b440	13	//MyExpand.vInit(0x0F,&vISRExpand);
Suky	0:b1f14a61b440	14	//MyExpand.vWrite(0x00);
Suky	0:b1f14a61b440	15	while(1) {
Suky	0:b1f14a61b440	16	if(mypuls==0){
Suky	0:b1f14a61b440	17	myled2=1;
Suky	0:b1f14a61b440	18	wait(0.3);
Suky	0:b1f14a61b440	19	myled2=0;
Suky	0:b1f14a61b440	20	wait(0.3);
Suky	0:b1f14a61b440	21	}else{
Suky	0:b1f14a61b440	22	myled3=1;
Suky	0:b1f14a61b440	23	myled4=1;
Suky	0:b1f14a61b440	24	myled=myled3;
Suky	0:b1f14a61b440	25	wait(0.5);
Suky	0:b1f14a61b440	26	myled = 0;
Suky	0:b1f14a61b440	27	myled3=0;
Suky	0:b1f14a61b440	28	myled4=0;
Suky	0:b1f14a61b440	29	wait(0.5);
Suky	0:b1f14a61b440	30	}
Suky	0:b1f14a61b440	31	}
Suky	0:b1f14a61b440	32	}
Suky	0:b1f14a61b440	33
Suky	0:b1f14a61b440	34
Suky	0:b1f14a61b440	35	/*void vISRExpand(void){
Suky	0:b1f14a61b440	36
Suky	0:b1f14a61b440	37	myled2=!myled2;
Suky	0:b1f14a61b440	38	MyExpand.vWrite(MyExpand.cRead()<<4);
Suky	0:b1f14a61b440	39	}*/