4.12 JNMMGPIORead

This function reads the data value from a specified GPIO port.

BYTE JNMMGPIORead(int Port, int *data);

Input Parameters

Name	Description
Port	0 - for port A, 1 - for port B
data	read value.

Return Value

Error code or 0.

Usage Example

To read GPIO port.

inport=0;//port A

JNMMGPIORead(inport, &input_byte);
printf("data=%d",*input_byte);