// SPDX-License-Identifier: GPL-2.0+ /* * dac02.c * Comedi driver for DAC02 compatible boards * Copyright (C) 2014 H Hartley Sweeten <[email protected]> * * Based on the poc driver * Copyright (C) 2000 Frank Mori Hess <[email protected]> * Copyright (C) 2001 David A. Schleef <[email protected]> * * COMEDI - Linux Control and Measurement Device Interface * Copyright (C) 1998 David A. Schleef <[email protected]> */ /* * Driver: dac02 * Description: Comedi driver for DAC02 compatible boards * Devices: [Keithley Metrabyte] DAC-02 (dac02) * Author: H Hartley Sweeten <[email protected]> * Updated: Tue, 11 Mar 2014 11:27:19 -0700 * Status: unknown * * Configuration options: * [0] - I/O port base */ #include <linux/module.h> #include <linux/comedi/comedidev.h> /* * The output range is selected by jumpering pins on the I/O connector. * * Range Chan # Jumper pins Output * ------------- ------ ------------- ----------------- * 0 to 5V 0 21 to 22 24 * 1 15 to 16 18 * 0 to 10V 0 20 to 22 24 * 1 14 to 16 18 * +/-5V 0 21 to 22 23 * 1 15 to 16 17 * +/-10V 0 20 to 22 23 * 1 14 to 16 17 * 4 to 20mA 0 21 to 22 25 * 1 15 to 16 19 * AC reference 0 In on pin 22 24 (2-quadrant) * In on pin 22 23 (4-quadrant) * 1 In on pin 16 18 (2-quadrant) * In on pin 16 17 (4-quadrant) */ static const struct comedi_lrange das02_ao_ranges = …; /* * Register I/O map */ #define DAC02_AO_LSB(x) … #define DAC02_AO_MSB(x) … static int dac02_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dac02_attach(struct comedi_device *dev, struct comedi_devconfig *it) { … } static struct comedi_driver dac02_driver = …; module_comedi_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;