How to read serial data correctly through Matlab

Question

I am using Matlab to read data from a serial port coming through a microprocessor. The data is in hexadecimal format with each sample of 4 bytes(32 bits). When I read this d

Answer 1

serialOne=serial('COM1', 'BaudRate', 9600);

fopen(serialOne);

fprintf(serialOne,'textFile.txt'); <<<---this is for write  (for read, use fscanf)

fclose(serialOne);