serial_send.c File Reference

Implements OP_SERIAL_SEND to write bytes to a serial port. More...

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Functions
	free_value (datav)
	free_value (fdv)
	push_value (vm, make_int(sent))

Variables
case	OP_SERIAL_SEND
Value	fdv = pop_value(vm)
int	sent = -1
	break

Detailed Description

Implements OP_SERIAL_SEND to write bytes to a serial port.

Behavior:

• Pops data (string) and fd (int); writes data to the serial port; pushes number of bytes written (>=0) or -1 on error.
• Only supported on UNIX-like systems; other platforms push -1.

Errors:

• On wrong types, prints an error and pushes -1.

Definition in file serial_send.c.

Function Documentation

free_value() [1/2]

free_value

(

datav

)

free_value() [2/2]

free_value

(

fdv

)

push_value()

push_value	(	vm	,
		make_int(sent)	)

Variable Documentation

break

break

Definition at line 45 of file serial_send.c.

fdv

Value fdv = pop_value(vm)

Definition at line 29 of file serial_send.c.

OP_SERIAL_SEND

case OP_SERIAL_SEND

Definition at line 26 of file serial_send.c.

sent

int sent = -1

Definition at line 30 of file serial_send.c.