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git://projects.qi-hardware.com/f32xbase.git
synced 2024-11-04 23:52:50 +02:00
Added library for items commonly shared among tools.
- lib/Makefile.common: common makefile rules for USB tools - include/f32xbase/usb.h, lib/usb.c: library with the common open_usb function
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23
include/f32xbase/usb.h
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23
include/f32xbase/usb.h
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/*
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* include/f32xbase/usb.h - Common USB code for F32Xbase tools
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*
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* Written 2008-2010 by Werner Almesberger
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* Copyright 2008-2010 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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#ifndef F32XBASE_USB_H
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#define F32XBASE_USB_H
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#include <usb.h>
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usb_dev_handle *open_usb(uint16_t default_vendor, uint16_t default_product);
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void parse_usb_id(const char *id);
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#endif /* !F32XBASE_USB_H */
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37
lib/Makefile.common
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lib/Makefile.common
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#
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# Makefile.common - Common rules and definitions for all the tools
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#
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# Written 2008 by Werner Almesberger
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# Copyright 2008 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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INSTALL_PREFIX=/usr/local
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CFLAGS=-Wall
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LDFLAGS=-lusb
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.PHONY: all install uninstall clean spotless
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all: $(MAIN)
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$(MAIN): $(MAIN).o $(OBJS)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(MAIN).o $(OBJS)
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install: $(MAIN)
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install $(MAIN) $(INSTALL_PREFIX)/bin/
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uninstall:
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rm -f $(INSTALL_PREFIX)/bin/$(MAIN)
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clean:
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rm -f $(MAIN).o $(OBJS)
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spotless: clean
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rm -f $(MAIN)
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72
lib/usb.c
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72
lib/usb.c
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/*
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* lib/usb.c - Common USB code for F32Xbase tools
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*
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* Written 2008-2010 by Werner Almesberger
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* Copyright 2008-2010 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 <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <usb.h>
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static uint16_t vendor = 0;
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static uint16_t product = 0;
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usb_dev_handle *open_usb(uint16_t default_vendor, uint16_t default_product)
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{
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const struct usb_bus *bus;
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struct usb_device *dev;
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usb_init();
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usb_find_busses();
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usb_find_devices();
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for (bus = usb_get_busses(); bus; bus = bus->next)
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for (dev = bus->devices; dev; dev = dev->next) {
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if (dev->descriptor.idVendor !=
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vendor ? vendor : default_vendor)
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continue;
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if (dev->descriptor.idProduct !=
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product ? product : default_product)
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continue;
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return usb_open(dev);
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}
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return NULL;
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}
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static void bad_id(const char *id)
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{
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fprintf(stderr, "\"%s\" is not a valid vendor:product ID\n", id);
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exit(1);
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}
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void parse_usb_id(const char *id)
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{
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unsigned long tmp;
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char *end;
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tmp = strtoul(id, &end, 16);
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if (*end != ':')
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bad_id(id);
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if (tmp > 0xffff)
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bad_id(id);
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vendor = tmp;
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tmp = strtoul(end+1, &end, 16);
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if (*end)
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bad_id(id);
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if (tmp > 0xffff)
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bad_id(id);
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product = tmp;
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}
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