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a8a898e202
- Makefile.common, lib/atrf.c, lib/atusd.c: change ATSPI to ATRF in title comment - include/atrf.h: comment still referred to atrf-id as "atspi-id"
140 lines
2.4 KiB
C
140 lines
2.4 KiB
C
/*
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* lib/atrf.c - ATRF access functions library
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*
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* Written 2010 by Werner Almesberger
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* Copyright 2010 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "driver.h"
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#include "atrf.h"
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extern struct atrf_driver atusb_driver;
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extern struct atrf_driver atusd_driver;
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struct atrf_dsc {
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struct atrf_driver *driver;
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void *handle;
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};
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void *atrf_usb_handle(struct atrf_dsc *dsc)
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{
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#ifdef HAVE_USB
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return dsc->handle;
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#else
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return NULL;
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#endif
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}
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int atrf_error(struct atrf_dsc *dsc)
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{
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return dsc->driver->error ? dsc->driver->error(dsc->handle) : 0;
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}
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int atrf_clear_error(struct atrf_dsc *dsc)
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{
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return dsc->driver->clear_error ?
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dsc->driver->clear_error(dsc->handle) : 0;
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}
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struct atrf_dsc *atrf_open(void)
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{
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struct atrf_dsc *dsc;
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struct atrf_driver *driver;
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void *handle;
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#ifdef HAVE_USB
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driver = &atusb_driver;
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#elif HAVE_USD
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driver = &atusd_driver;
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#else
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#error Need either HAVE_USB or HAVE_USD
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#endif
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handle = driver->open();
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if (!handle)
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return NULL;
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dsc = malloc(sizeof(*dsc));
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if (!dsc) {
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perror("malloc");
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exit(1);
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}
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dsc->driver = driver;
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dsc->handle = handle;
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return dsc;
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}
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void atrf_close(struct atrf_dsc *dsc)
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{
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if (dsc->driver->close)
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dsc->driver->close(dsc->handle);
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free(dsc);
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}
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void atrf_reset(struct atrf_dsc *dsc)
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{
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if (dsc->driver->reset)
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dsc->driver->reset(dsc->handle);
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}
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void atrf_reset_rf(struct atrf_dsc *dsc)
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{
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dsc->driver->reset_rf(dsc->handle);
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}
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int atrf_test_mode(struct atrf_dsc *dsc)
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{
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if (!dsc->driver->test_mode)
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return 0;
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dsc->driver->test_mode(dsc->handle);
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return 1;
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}
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void atrf_reg_write(struct atrf_dsc *dsc, uint8_t reg, uint8_t value)
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{
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dsc->driver->reg_write(dsc->handle, reg, value);
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}
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uint8_t atrf_reg_read(struct atrf_dsc *dsc, uint8_t reg)
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{
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return dsc->driver->reg_read(dsc->handle, reg);
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}
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void atrf_buf_write(struct atrf_dsc *dsc, const void *buf, int size)
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{
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dsc->driver->buf_write(dsc->handle, buf, size);
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}
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int atrf_buf_read(struct atrf_dsc *dsc, void *buf, int size)
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{
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return dsc->driver->buf_read(dsc->handle, buf, size);
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}
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int atrf_interrupt(struct atrf_dsc *dsc)
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{
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return
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dsc->driver->interrupt ? dsc->driver->interrupt(dsc->handle) : 1;
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}
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