Visweswara R
PCA9672 Library (I2C IO Expander Interface)
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Simple output port toggling with PCA9672
#include "mbed.h"
#include "PCA9672.h"
PCA9672 ioxp(P0_10, P0_11); //I2C connected to PCA9672 in LPC800-MAX
int main()
{
ioxp.frequency(100000);
while (1) {
ioxp.write(0xFF);
wait(.250);
ioxp.write(0x00);
wait(.250);
}
}