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1. #Multiple shell args hyperterm serial
2. #Multiple shell args hyperterm code
3. #Multiple shell args hyperterm windows

PC-3 runs the Tornado development environment. This data is sent to the PowerPC through the UART module.

#Multiple shell args hyperterm windows

Data is sent using the hyper terminal application in Windows XP OS. PC-1 simulates sending data from two sensors S1 and S2. Data coming from the sensor side is simulated by using a general purpose PC-1 running on Windows XP (SP-1). E XPERIMENTAL S ETUP AND O BSERVED R ESULTS Experimental setup consist of 3 PC’s.

#Multiple shell args hyperterm serial

On success the function returns the number of bytes written to the serial port. the last parameter nbytes is the variable indicating the number of bytes to be send to the serial port. As described above, fd is the file descriptor of the serial port, buffer is a character pointer pointing to the buffer containing the data to be transmitted. General format of which is described below.

For that write() system call provided by VxWorks is used. After analyzing the data received from serial port control commands need to be send through serial port. on success, the function will return the number of bytes read in to the buffer, otherwise ERROR. Where fd is the file descriptor of the serial port, and buffer is a character pointer to buffer where the received data is to be stored, and the last parameter is an integer indicating the maximum number of bytes to be read in to the buffer. The general format of read() system call is explained below. The read() system call provided by the VxWorks can be used for it. Receiving the data through it is the next task. After setting the baud rate of the serial port. In this case, it is to set the baud rate of the serial port to a particular value Third parameter is the arbitrary argument and which in this case is the value of the baud rate.

#Multiple shell args hyperterm code

FIOBAUDRATE is the function code specifying the function to be performed. where f is the file descriptor corresponding to the opened serial port. The actual implementation used in this source code is as shown below. In the case of error an ERROR constant is returned. On successful execution it returns an integer value, indicating the status of the device. Third parameter is an arbitrary argument, which changes with the function to be performed. And second parameter also is an integer, specifying the function to be performed on the I/O device.

Here the first parameter is the file descriptor return on successful execution of open() system call.

The general format of an ioctl() function is described below. For this a system call called ioctl() is used here. After opening the serial port successfully, the next task is to set the device parameters such as baud rate, parity etc. File descriptor corresponding to serial port is stored in variable f. Here serial port is opened in read-write mode with unix style file mode as 0. The actual implementation of the open() systen call in this code is as follows. if any error occurs during the execution of the function it returns ERROR. If successful the function returns a file descriptor, which can be used in system call for further handling of file or device. integer specifying the mode of file( in unix chmod style).