Method: FtdiC::Context#read_data

Defined in:
ext/ftdic.c

#read_data(v_size) ⇒ Object 



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# File 'ext/ftdic.c', line 111

static VALUE ftdi_context_read_data(VALUE self, VALUE v_size)
{
  struct ftdi_context * ctx;
  int size = NUM2INT(v_size);
  VALUE v_buf = rb_str_buf_new(size);
  char * buf = StringValuePtr(v_buf);
  int result;

  Data_Get_Struct(self, struct ftdi_context, ctx);

  result = ftdi_read_data(ctx, (unsigned char *)buf, size);
  check_ftdi_result(ctx, result);

  RSTRING(v_buf)->len = result;

  return Qnil;
}