-/*
- * Copyright © 2010 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include "libaltos.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define USB_VENDOR_FSF 0xfffe
-#define USB_VENDOR_ALTUSMETRUM USB_VENDOR_FSF
-#define USB_PRODUCT_ALTUSMETRUM 0x000a
-#define USB_PRODUCT_ALTUSMETRUM_MIN 0x000a
-#define USB_PRODUCT_ALTUSMETRUM_MAX 0x00ff
-
-#define USB_IS_ALTUSMETRUM(v,p) ((v) == USB_VENDOR_ALTUSMETRUM && \
- (USB_PRODUCT_ALTUSMETRUM_MIN <= (p) && \
- (p) <= USB_PRODUCT_ALTUSMETRUM_MAX))
-
-#define BLUETOOTH_PRODUCT_TELEBT "TeleBT"
-
-#define USE_POLL
-
-PUBLIC int
-altos_init(void)
-{
- return LIBALTOS_SUCCESS;
-}
-
-PUBLIC void
-altos_fini(void)
-{
-}
-
-static struct altos_error last_error;
-
-static void
-altos_set_last_error(int code, char *string)
-{
- last_error.code = code;
- strncpy(last_error.string, string, sizeof (last_error.string) -1);
- last_error.string[sizeof(last_error.string)-1] = '\0';
-}
-
-PUBLIC void
-altos_get_last_error(struct altos_error *error)
-{
- *error = last_error;
-}
-
-#ifdef DARWIN
-
-#undef USE_POLL
-
-/* Mac OS X don't have strndup even if _GNU_SOURCE is defined */
-static char *
-altos_strndup (const char *s, size_t n)
-{
- size_t len = strlen (s);
- char *ret;
-
- if (len <= n)
- return strdup (s);
- ret = malloc(n + 1);
- strncpy(ret, s, n);
- ret[n] = '\0';
- return ret;
-}
-
-#else
-#define altos_strndup strndup
-#endif
-
-#ifdef POSIX_TTY
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <termios.h>
-#include <errno.h>
-
-#define USB_BUF_SIZE 64
-
-struct altos_file {
- int fd;
-#ifdef USE_POLL
- int pipe[2];
-#else
- int out_fd;
-#endif
- unsigned char out_data[USB_BUF_SIZE];
- int out_used;
- unsigned char in_data[USB_BUF_SIZE];
- int in_used;
- int in_read;
-};
-
-static void
-altos_set_last_posix_error(void)
-{
- altos_set_last_error(errno, strerror(errno));
-}
-
-PUBLIC struct altos_file *
-altos_open(struct altos_device *device)
-{
- struct altos_file *file = calloc (sizeof (struct altos_file), 1);
- int ret;
- struct termios term;
-
- if (!file) {
- altos_set_last_posix_error();
- return NULL;
- }
-
-// altos_set_last_error(12, "yeah yeah, failed again");
-// free(file);
-// return NULL;
-
- file->fd = open(device->path, O_RDWR | O_NOCTTY);
- if (file->fd < 0) {
- altos_set_last_posix_error();
- free(file);
- return NULL;
- }
-#ifdef USE_POLL
- pipe(file->pipe);
-#else
- file->out_fd = open(device->path, O_RDWR | O_NOCTTY);
- if (file->out_fd < 0) {
- altos_set_last_posix_error();
- close(file->fd);
- free(file);
- return NULL;
- }
-#endif
- ret = tcgetattr(file->fd, &term);
- if (ret < 0) {
- altos_set_last_posix_error();
- close(file->fd);
-#ifndef USE_POLL
- close(file->out_fd);
-#endif
- free(file);
- return NULL;
- }
- cfmakeraw(&term);
-#ifdef USE_POLL
- term.c_cc[VMIN] = 1;
- term.c_cc[VTIME] = 0;
-#else
- term.c_cc[VMIN] = 0;
- term.c_cc[VTIME] = 1;
-#endif
- ret = tcsetattr(file->fd, TCSAFLUSH, &term);
- if (ret < 0) {
- altos_set_last_posix_error();
- close(file->fd);
-#ifndef USE_POLL
- close(file->out_fd);
-#endif
- free(file);
- return NULL;
- }
- return file;
-}
-
-PUBLIC void
-altos_close(struct altos_file *file)
-{
- if (file->fd != -1) {
- int fd = file->fd;
- file->fd = -1;
-#ifdef USE_POLL
- write(file->pipe[1], "\r", 1);
-#else
- close(file->out_fd);
- file->out_fd = -1;
-#endif
- close(fd);
- }
-}
-
-PUBLIC void
-altos_free(struct altos_file *file)
-{
- altos_close(file);
- free(file);
-}
-
-PUBLIC int
-altos_flush(struct altos_file *file)
-{
- if (file->out_used && 0) {
- printf ("flush \"");
- fwrite(file->out_data, 1, file->out_used, stdout);
- printf ("\"\n");
- }
- while (file->out_used) {
- int ret;
-
- if (file->fd < 0)
- return -EBADF;
-#ifdef USE_POLL
- ret = write (file->fd, file->out_data, file->out_used);
-#else
- ret = write (file->out_fd, file->out_data, file->out_used);
-#endif
- if (ret < 0) {
- altos_set_last_posix_error();
- return -last_error.code;
- }
- if (ret) {
- memmove(file->out_data, file->out_data + ret,
- file->out_used - ret);
- file->out_used -= ret;
- }
- }
- return 0;
-}
-
-PUBLIC int
-altos_putchar(struct altos_file *file, char c)
-{
- int ret;
-
- if (file->out_used == USB_BUF_SIZE) {
- ret = altos_flush(file);
- if (ret) {
- return ret;
- }
- }
- file->out_data[file->out_used++] = c;
- ret = 0;
- if (file->out_used == USB_BUF_SIZE)
- ret = altos_flush(file);
- return ret;
-}
-
-#ifdef USE_POLL
-#include <poll.h>
-#endif
-
-static int
-altos_fill(struct altos_file *file, int timeout)
-{
- int ret;
-#ifdef USE_POLL
- struct pollfd fd[2];
-#endif
-
- if (timeout == 0)
- timeout = -1;
- while (file->in_read == file->in_used) {
- if (file->fd < 0)
- return LIBALTOS_ERROR;
-#ifdef USE_POLL
- fd[0].fd = file->fd;
- fd[0].events = POLLIN|POLLERR|POLLHUP|POLLNVAL;
- fd[1].fd = file->pipe[0];
- fd[1].events = POLLIN;
- ret = poll(fd, 2, timeout);
- if (ret < 0) {
- altos_set_last_posix_error();
- return LIBALTOS_ERROR;
- }
- if (ret == 0)
- return LIBALTOS_TIMEOUT;
-
- if (fd[0].revents & (POLLHUP|POLLERR|POLLNVAL))
- return LIBALTOS_ERROR;
- if (fd[0].revents & POLLIN)
-#endif
- {
- ret = read(file->fd, file->in_data, USB_BUF_SIZE);
- if (ret < 0) {
- altos_set_last_posix_error();
- return LIBALTOS_ERROR;
- }
- file->in_read = 0;
- file->in_used = ret;
-#ifndef USE_POLL
- if (ret == 0 && timeout > 0)
- return LIBALTOS_TIMEOUT;
-#endif
- }
- }
- if (file->in_used && 0) {
- printf ("fill \"");
- fwrite(file->in_data, 1, file->in_used, stdout);
- printf ("\"\n");
- }
- return 0;
-}
-
-PUBLIC int
-altos_getchar(struct altos_file *file, int timeout)
-{
- int ret;
- while (file->in_read == file->in_used) {
- if (file->fd < 0)
- return LIBALTOS_ERROR;
- ret = altos_fill(file, timeout);
- if (ret)
- return ret;
- }
- return file->in_data[file->in_read++];
-}
-
-#endif /* POSIX_TTY */
-
-/*
- * Scan for Altus Metrum devices by looking through /sys
- */
-
-#ifdef LINUX
-
-#define _GNU_SOURCE
-#include <ctype.h>
-#include <dirent.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <bluetooth/bluetooth.h>
-#include <bluetooth/hci.h>
-#include <bluetooth/hci_lib.h>
-#include <bluetooth/rfcomm.h>
-
-static char *
-cc_fullname (char *dir, char *file)
-{
- char *new;
- int dlen = strlen (dir);
- int flen = strlen (file);
- int slen = 0;
-
- if (dir[dlen-1] != '/')
- slen = 1;
- new = malloc (dlen + slen + flen + 1);
- if (!new)
- return 0;
- strcpy(new, dir);
- if (slen)
- strcat (new, "/");
- strcat(new, file);
- return new;
-}
-
-static char *
-cc_basename(char *file)
-{
- char *b;
-
- b = strrchr(file, '/');
- if (!b)
- return file;
- return b + 1;
-}
-
-static char *
-load_string(char *dir, char *file)
-{
- char *full = cc_fullname(dir, file);
- char line[4096];
- char *r;
- FILE *f;
- int rlen;
-
- f = fopen(full, "r");
- free(full);
- if (!f)
- return NULL;
- r = fgets(line, sizeof (line), f);
- fclose(f);
- if (!r)
- return NULL;
- rlen = strlen(r);
- if (r[rlen-1] == '\n')
- r[rlen-1] = '\0';
- return strdup(r);
-}
-
-static int
-load_hex(char *dir, char *file)
-{
- char *line;
- char *end;
- long i;
-
- line = load_string(dir, file);
- if (!line)
- return -1;
- i = strtol(line, &end, 16);
- free(line);
- if (end == line)
- return -1;
- return i;
-}
-
-static int
-load_dec(char *dir, char *file)
-{
- char *line;
- char *end;
- long i;
-
- line = load_string(dir, file);
- if (!line)
- return -1;
- i = strtol(line, &end, 10);
- free(line);
- if (end == line)
- return -1;
- return i;
-}
-
-static int
-dir_filter_tty_colon(const struct dirent *d)
-{
- return strncmp(d->d_name, "tty:", 4) == 0;
-}
-
-static int
-dir_filter_tty(const struct dirent *d)
-{
- return strncmp(d->d_name, "tty", 3) == 0;
-}
-
-struct altos_usbdev {
- char *sys;
- char *tty;
- char *manufacturer;
- char *product_name;
- int serial; /* AltOS always uses simple integer serial numbers */
- int idProduct;
- int idVendor;
-};
-
-static char *
-usb_tty(char *sys)
-{
- char *base;
- int num_configs;
- int config;
- struct dirent **namelist;
- int interface;
- int num_interfaces;
- char endpoint_base[20];
- char *endpoint_full;
- char *tty_dir;
- int ntty;
- char *tty;
-
- base = cc_basename(sys);
- num_configs = load_hex(sys, "bNumConfigurations");
- num_interfaces = load_hex(sys, "bNumInterfaces");
- for (config = 1; config <= num_configs; config++) {
- for (interface = 0; interface < num_interfaces; interface++) {
- sprintf(endpoint_base, "%s:%d.%d",
- base, config, interface);
- endpoint_full = cc_fullname(sys, endpoint_base);
-
- /* Check for tty:ttyACMx style names
- */
- ntty = scandir(endpoint_full, &namelist,
- dir_filter_tty_colon,
- alphasort);
- if (ntty > 0) {
- free(endpoint_full);
- tty = cc_fullname("/dev", namelist[0]->d_name + 4);
- free(namelist);
- return tty;
- }
-
- /* Check for tty/ttyACMx style names
- */
- tty_dir = cc_fullname(endpoint_full, "tty");
- free(endpoint_full);
- ntty = scandir(tty_dir, &namelist,
- dir_filter_tty,
- alphasort);
- free (tty_dir);
- if (ntty > 0) {
- tty = cc_fullname("/dev", namelist[0]->d_name);
- free(namelist);
- return tty;
- }
- }
- }
- return NULL;
-}
-
-static struct altos_usbdev *
-usb_scan_device(char *sys)
-{
- struct altos_usbdev *usbdev;
-
- usbdev = calloc(1, sizeof (struct altos_usbdev));
- if (!usbdev)
- return NULL;
- usbdev->sys = strdup(sys);
- usbdev->manufacturer = load_string(sys, "manufacturer");
- usbdev->product_name = load_string(sys, "product");
- usbdev->serial = load_dec(sys, "serial");
- usbdev->idProduct = load_hex(sys, "idProduct");
- usbdev->idVendor = load_hex(sys, "idVendor");
- usbdev->tty = usb_tty(sys);
- return usbdev;
-}
-
-static void
-usbdev_free(struct altos_usbdev *usbdev)
-{
- free(usbdev->sys);
- free(usbdev->manufacturer);
- free(usbdev->product_name);
- /* this can get used as a return value */
- if (usbdev->tty)
- free(usbdev->tty);
- free(usbdev);
-}
-
-#define USB_DEVICES "/sys/bus/usb/devices"
-
-static int
-dir_filter_dev(const struct dirent *d)
-{
- const char *n = d->d_name;
- char c;
-
- while ((c = *n++)) {
- if (isdigit(c))
- continue;
- if (c == '-')
- continue;
- if (c == '.' && n != d->d_name + 1)
- continue;
- return 0;
- }
- return 1;
-}
-
-struct altos_list {
- struct altos_usbdev **dev;
- int current;
- int ndev;
-};
-
-struct altos_list *
-altos_list_start(void)
-{
- int e;
- struct dirent **ents;
- char *dir;
- struct altos_usbdev *dev;
- struct altos_list *devs;
- int n;
-
- devs = calloc(1, sizeof (struct altos_list));
- if (!devs)
- return NULL;
-
- n = scandir (USB_DEVICES, &ents,
- dir_filter_dev,
- alphasort);
- if (!n)
- return 0;
- for (e = 0; e < n; e++) {
- dir = cc_fullname(USB_DEVICES, ents[e]->d_name);
- dev = usb_scan_device(dir);
- free(dir);
- if (USB_IS_ALTUSMETRUM(dev->idVendor, dev->idProduct)) {
- if (devs->dev)
- devs->dev = realloc(devs->dev,
- (devs->ndev + 1) * sizeof (struct usbdev *));
- else
- devs->dev = malloc (sizeof (struct usbdev *));
- devs->dev[devs->ndev++] = dev;
- }
- }
- free(ents);
- devs->current = 0;
- return devs;
-}
-
-int
-altos_list_next(struct altos_list *list, struct altos_device *device)
-{
- struct altos_usbdev *dev;
- if (list->current >= list->ndev)
- return 0;
- dev = list->dev[list->current];
- strcpy(device->name, dev->product_name);
- device->vendor = dev->idVendor;
- device->product = dev->idProduct;
- strcpy(device->path, dev->tty);
- device->serial = dev->serial;
- list->current++;
- return 1;
-}
-
-void
-altos_list_finish(struct altos_list *usbdevs)
-{
- int i;
-
- if (!usbdevs)
- return;
- for (i = 0; i < usbdevs->ndev; i++)
- usbdev_free(usbdevs->dev[i]);
- free(usbdevs);
-}
-
-struct altos_bt_list {
- inquiry_info *ii;
- int sock;
- int dev_id;
- int rsp;
- int num_rsp;
-};
-
-#define INQUIRY_MAX_RSP 255
-
-struct altos_bt_list *
-altos_bt_list_start(int inquiry_time)
-{
- struct altos_bt_list *bt_list;
-
- bt_list = calloc(1, sizeof (struct altos_bt_list));
- if (!bt_list)
- goto no_bt_list;
-
- bt_list->ii = calloc(INQUIRY_MAX_RSP, sizeof (inquiry_info));
- if (!bt_list->ii)
- goto no_ii;
- bt_list->dev_id = hci_get_route(NULL);
- if (bt_list->dev_id < 0)
- goto no_dev_id;
-
- bt_list->sock = hci_open_dev(bt_list->dev_id);
- if (bt_list->sock < 0)
- goto no_sock;
-
- bt_list->num_rsp = hci_inquiry(bt_list->dev_id,
- inquiry_time,
- INQUIRY_MAX_RSP,
- NULL,
- &bt_list->ii,
- IREQ_CACHE_FLUSH);
- if (bt_list->num_rsp < 0)
- goto no_rsp;
-
- bt_list->rsp = 0;
- return bt_list;
-
-no_rsp:
- close(bt_list->sock);
-no_sock:
-no_dev_id:
- free(bt_list->ii);
-no_ii:
- free(bt_list);
-no_bt_list:
- return NULL;
-}
-
-int
-altos_bt_list_next(struct altos_bt_list *bt_list,
- struct altos_bt_device *device)
-{
- inquiry_info *ii;
-
- if (bt_list->rsp >= bt_list->num_rsp)
- return 0;
-
- ii = &bt_list->ii[bt_list->rsp];
- ba2str(&ii->bdaddr, device->addr);
- memset(&device->name, '\0', sizeof (device->name));
- if (hci_read_remote_name(bt_list->sock, &ii->bdaddr,
- sizeof (device->name),
- device->name, 0) < 0) {
- strcpy(device->name, "[unknown]");
- }
- bt_list->rsp++;
- return 1;
-}
-
-void
-altos_bt_list_finish(struct altos_bt_list *bt_list)
-{
- close(bt_list->sock);
- free(bt_list->ii);
- free(bt_list);
-}
-
-void
-altos_bt_fill_in(char *name, char *addr, struct altos_bt_device *device)
-{
- strncpy(device->name, name, sizeof (device->name));
- device->name[sizeof(device->name)-1] = '\0';
- strncpy(device->addr, addr, sizeof (device->addr));
- device->addr[sizeof(device->addr)-1] = '\0';
-}
-
-struct altos_file *
-altos_bt_open(struct altos_bt_device *device)
-{
- struct sockaddr_rc addr = { 0 };
- int s, status;
- struct altos_file *file;
-
- file = calloc(1, sizeof (struct altos_file));
- if (!file)
- goto no_file;
- file->fd = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
- if (file->fd < 0) {
- altos_set_last_posix_error();
- goto no_sock;
- }
-
- addr.rc_family = AF_BLUETOOTH;
- addr.rc_channel = 1;
- str2ba(device->addr, &addr.rc_bdaddr);
-
- status = connect(file->fd,
- (struct sockaddr *)&addr,
- sizeof(addr));
- if (status < 0) {
- altos_set_last_posix_error();
- goto no_link;
- }
- sleep(1);
-
-#ifdef USE_POLL
- pipe(file->pipe);
-#else
- file->out_fd = dup(file->fd);
-#endif
- return file;
-no_link:
- close(s);
-no_sock:
- free(file);
-no_file:
- return NULL;
-}
-
-#endif
-
-#ifdef DARWIN
-
-#include <IOKitLib.h>
-#include <IOKit/usb/USBspec.h>
-#include <sys/param.h>
-#include <paths.h>
-#include <CFNumber.h>
-#include <IOBSD.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-struct altos_list {
- io_iterator_t iterator;
-};
-
-static int
-get_string(io_object_t object, CFStringRef entry, char *result, int result_len)
-{
- CFTypeRef entry_as_string;
- Boolean got_string;
-
- entry_as_string = IORegistryEntrySearchCFProperty (object,
- kIOServicePlane,
- entry,
- kCFAllocatorDefault,
- kIORegistryIterateRecursively);
- if (entry_as_string) {
- got_string = CFStringGetCString(entry_as_string,
- result, result_len,
- kCFStringEncodingASCII);
-
- CFRelease(entry_as_string);
- if (got_string)
- return 1;
- }
- return 0;
-}
-
-static int
-get_number(io_object_t object, CFStringRef entry, int *result)
-{
- CFTypeRef entry_as_number;
- Boolean got_number;
-
- entry_as_number = IORegistryEntrySearchCFProperty (object,
- kIOServicePlane,
- entry,
- kCFAllocatorDefault,
- kIORegistryIterateRecursively);
- if (entry_as_number) {
- got_number = CFNumberGetValue(entry_as_number,
- kCFNumberIntType,
- result);
- if (got_number)
- return 1;
- }
- return 0;
-}
-
-PUBLIC struct altos_list *
-altos_list_start(void)
-{
- struct altos_list *list = calloc (sizeof (struct altos_list), 1);
- CFMutableDictionaryRef matching_dictionary = IOServiceMatching("IOUSBDevice");
- io_iterator_t tdIterator;
- io_object_t tdObject;
- kern_return_t ret;
- int i;
-
- ret = IOServiceGetMatchingServices(kIOMasterPortDefault, matching_dictionary, &list->iterator);
- if (ret != kIOReturnSuccess)
- return NULL;
- return list;
-}
-
-PUBLIC int
-altos_list_next(struct altos_list *list, struct altos_device *device)
-{
- io_object_t object;
- char serial_string[128];
-
- for (;;) {
- object = IOIteratorNext(list->iterator);
- if (!object)
- return 0;
-
- if (!get_number (object, CFSTR(kUSBVendorID), &device->vendor) ||
- !get_number (object, CFSTR(kUSBProductID), &device->product))
- continue;
- if (device->vendor != 0xfffe)
- continue;
- if (device->product < 0x000a || 0x0013 < device->product)
- continue;
- if (get_string (object, CFSTR("IOCalloutDevice"), device->path, sizeof (device->path)) &&
- get_string (object, CFSTR("USB Product Name"), device->name, sizeof (device->name)) &&
- get_string (object, CFSTR("USB Serial Number"), serial_string, sizeof (serial_string))) {
- device->serial = atoi(serial_string);
- return 1;
- }
- }
-}
-
-PUBLIC void
-altos_list_finish(struct altos_list *list)
-{
- IOObjectRelease (list->iterator);
- free(list);
-}
-
-struct altos_bt_list {
- int sock;
- int dev_id;
- int rsp;
- int num_rsp;
-};
-
-#define INQUIRY_MAX_RSP 255
-
-struct altos_bt_list *
-altos_bt_list_start(int inquiry_time)
-{
- return NULL;
-}
-
-int
-altos_bt_list_next(struct altos_bt_list *bt_list,
- struct altos_bt_device *device)
-{
- return 0;
-}
-
-void
-altos_bt_list_finish(struct altos_bt_list *bt_list)
-{
-}
-
-void
-altos_bt_fill_in(char *name, char *addr, struct altos_bt_device *device)
-{
- strncpy(device->name, name, sizeof (device->name));
- device->name[sizeof(device->name)-1] = '\0';
- strncpy(device->addr, addr, sizeof (device->addr));
- device->addr[sizeof(device->addr)-1] = '\0';
-}
-
-struct altos_file *
-altos_bt_open(struct altos_bt_device *device)
-{
- return NULL;
-}
-
-#endif
-
-
-#ifdef WINDOWS
-
-#include <stdlib.h>
-#include <windows.h>
-#include <setupapi.h>
-
-struct altos_list {
- HDEVINFO dev_info;
- int index;
-};
-
-#define USB_BUF_SIZE 64
-
-struct altos_file {
- HANDLE handle;
- unsigned char out_data[USB_BUF_SIZE];
- int out_used;
- unsigned char in_data[USB_BUF_SIZE];
- int in_used;
- int in_read;
- OVERLAPPED ov_read;
- BOOL pend_read;
- OVERLAPPED ov_write;
-};
-
-static void
-_altos_set_last_windows_error(char *file, int line)
-{
- DWORD error = GetLastError();
- TCHAR message[1024];
- FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
- 0,
- error,
- 0,
- message,
- sizeof (message) / sizeof (TCHAR),
- NULL);
- if (error != ERROR_SUCCESS)
- printf ("%s:%d %s\n", file, line, message);
- altos_set_last_error(error, message);
-}
-
-#define altos_set_last_windows_error() _altos_set_last_windows_error(__FILE__, __LINE__)
-
-PUBLIC struct altos_list *
-altos_list_start(void)
-{
- struct altos_list *list = calloc(1, sizeof (struct altos_list));
-
- if (!list)
- return NULL;
- list->dev_info = SetupDiGetClassDevs(NULL, "USB", NULL,
- DIGCF_ALLCLASSES|DIGCF_PRESENT);
- if (list->dev_info == INVALID_HANDLE_VALUE) {
- altos_set_last_windows_error();
- free(list);
- return NULL;
- }
- list->index = 0;
- return list;
-}
-
-PUBLIC int
-altos_list_next(struct altos_list *list, struct altos_device *device)
-{
- SP_DEVINFO_DATA dev_info_data;
- BYTE port[128];
- DWORD port_len;
- char friendlyname[256];
- BYTE symbolic[256];
- DWORD symbolic_len;
- HKEY dev_key;
- unsigned int vid, pid;
- int serial;
- HRESULT result;
- DWORD friendlyname_type;
- DWORD friendlyname_len;
-
- dev_info_data.cbSize = sizeof (SP_DEVINFO_DATA);
- while(SetupDiEnumDeviceInfo(list->dev_info, list->index,
- &dev_info_data))
- {
- list->index++;
-
- dev_key = SetupDiOpenDevRegKey(list->dev_info, &dev_info_data,
- DICS_FLAG_GLOBAL, 0, DIREG_DEV,
- KEY_READ);
- if (dev_key == INVALID_HANDLE_VALUE) {
- altos_set_last_windows_error();
- printf("cannot open device registry key\n");
- continue;
- }
-
- /* Fetch symbolic name for this device and parse out
- * the vid/pid/serial info */
- symbolic_len = sizeof(symbolic);
- result = RegQueryValueEx(dev_key, "SymbolicName", NULL, NULL,
- symbolic, &symbolic_len);
- if (result != 0) {
- altos_set_last_windows_error();
- printf("cannot find SymbolicName value\n");
- RegCloseKey(dev_key);
- continue;
- }
- vid = pid = serial = 0;
- sscanf((char *) symbolic + sizeof("\\??\\USB#VID_") - 1,
- "%04X", &vid);
- sscanf((char *) symbolic + sizeof("\\??\\USB#VID_XXXX&PID_") - 1,
- "%04X", &pid);
- sscanf((char *) symbolic + sizeof("\\??\\USB#VID_XXXX&PID_XXXX#") - 1,
- "%d", &serial);
- if (!USB_IS_ALTUSMETRUM(vid, pid)) {
- RegCloseKey(dev_key);
- continue;
- }
-
- /* Fetch the com port name */
- port_len = sizeof (port);
- result = RegQueryValueEx(dev_key, "PortName", NULL, NULL,
- port, &port_len);
- RegCloseKey(dev_key);
- if (result != 0) {
- altos_set_last_windows_error();
- printf("failed to get PortName\n");
- continue;
- }
-
- /* Fetch the device description which is the device name,
- * with firmware that has unique USB ids */
- friendlyname_len = sizeof (friendlyname);
- if(!SetupDiGetDeviceRegistryProperty(list->dev_info,
- &dev_info_data,
- SPDRP_FRIENDLYNAME,
- &friendlyname_type,
- (BYTE *)friendlyname,
- sizeof(friendlyname),
- &friendlyname_len))
- {
- altos_set_last_windows_error();
- printf("Failed to get friendlyname\n");
- continue;
- }
- device->vendor = vid;
- device->product = pid;
- device->serial = serial;
- strcpy(device->name, friendlyname);
-
- strcpy(device->path, (char *) port);
- return 1;
- }
- result = GetLastError();
- if (result != ERROR_NO_MORE_ITEMS) {
- altos_set_last_windows_error();
- printf ("SetupDiEnumDeviceInfo failed error %d\n", (int) result);
- }
- return 0;
-}
-
-PUBLIC void
-altos_list_finish(struct altos_list *list)
-{
- SetupDiDestroyDeviceInfoList(list->dev_info);
- free(list);
-}
-
-static int
-altos_queue_read(struct altos_file *file)
-{
- DWORD got;
- if (file->pend_read)
- return LIBALTOS_SUCCESS;
-
- if (!ReadFile(file->handle, file->in_data, USB_BUF_SIZE, &got, &file->ov_read)) {
- if (GetLastError() != ERROR_IO_PENDING) {
- altos_set_last_windows_error();
- return LIBALTOS_ERROR;
- }
- file->pend_read = TRUE;
- } else {
- file->pend_read = FALSE;
- file->in_read = 0;
- file->in_used = got;
- }
- return LIBALTOS_SUCCESS;
-}
-
-static int
-altos_wait_read(struct altos_file *file, int timeout)
-{
- DWORD ret;
- DWORD got;
-
- if (!file->pend_read)
- return LIBALTOS_SUCCESS;
-
- if (!timeout)
- timeout = INFINITE;
-
- ret = WaitForSingleObject(file->ov_read.hEvent, timeout);
- switch (ret) {
- case WAIT_OBJECT_0:
- if (!GetOverlappedResult(file->handle, &file->ov_read, &got, FALSE)) {
- altos_set_last_windows_error();
- return LIBALTOS_ERROR;
- }
- file->pend_read = FALSE;
- file->in_read = 0;
- file->in_used = got;
- break;
- case WAIT_TIMEOUT:
- return LIBALTOS_TIMEOUT;
- break;
- default:
- return LIBALTOS_ERROR;
- }
- return LIBALTOS_SUCCESS;
-}
-
-static int
-altos_fill(struct altos_file *file, int timeout)
-{
- int ret;
-
- if (file->in_read < file->in_used)
- return LIBALTOS_SUCCESS;
-
- file->in_read = file->in_used = 0;
-
- ret = altos_queue_read(file);
- if (ret)
- return ret;
- ret = altos_wait_read(file, timeout);
- if (ret)
- return ret;
-
- return LIBALTOS_SUCCESS;
-}
-
-PUBLIC int
-altos_flush(struct altos_file *file)
-{
- DWORD put;
- unsigned char *data = file->out_data;
- int used = file->out_used;
- DWORD ret;
-
- while (used) {
- if (!WriteFile(file->handle, data, used, &put, &file->ov_write)) {
- if (GetLastError() != ERROR_IO_PENDING) {
- altos_set_last_windows_error();
- printf ("\tflush write error\n");
- return LIBALTOS_ERROR;
- }
- ret = WaitForSingleObject(file->ov_write.hEvent, INFINITE);
- switch (ret) {
- case WAIT_OBJECT_0:
- if (!GetOverlappedResult(file->handle, &file->ov_write, &put, FALSE)) {
- altos_set_last_windows_error();
- printf ("\tflush result error\n");
- return LIBALTOS_ERROR;
- }
- break;
- default:
- altos_set_last_windows_error();
- printf ("\tflush wait error\n");
- return LIBALTOS_ERROR;
- }
- }
- data += put;
- used -= put;
- }
- file->out_used = 0;
- return LIBALTOS_SUCCESS;
-}
-
-PUBLIC struct altos_file *
-altos_open(struct altos_device *device)
-{
- struct altos_file *file = calloc (1, sizeof (struct altos_file));
- char full_name[64];
- COMMTIMEOUTS timeouts;
-
- if (!file)
- return NULL;
-
- strcpy(full_name, "\\\\.\\");
- strcat(full_name, device->path);
- file->handle = CreateFile(full_name, GENERIC_READ|GENERIC_WRITE,
- 0, NULL, OPEN_EXISTING,
- FILE_FLAG_OVERLAPPED, NULL);
- if (file->handle == INVALID_HANDLE_VALUE) {
- altos_set_last_windows_error();
- printf ("cannot open %s\n", full_name);
- free(file);
- return NULL;
- }
- file->ov_read.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
- file->ov_write.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
-
- timeouts.ReadIntervalTimeout = MAXDWORD;
- timeouts.ReadTotalTimeoutMultiplier = MAXDWORD;
- timeouts.ReadTotalTimeoutConstant = 1 << 30; /* almost forever */
- timeouts.WriteTotalTimeoutMultiplier = 0;
- timeouts.WriteTotalTimeoutConstant = 0;
- SetCommTimeouts(file->handle, &timeouts);
-
- return file;
-}
-
-PUBLIC void
-altos_close(struct altos_file *file)
-{
- if (file->handle != INVALID_HANDLE_VALUE) {
- CloseHandle(file->handle);
- file->handle = INVALID_HANDLE_VALUE;
- SetEvent(file->ov_read.hEvent);
- SetEvent(file->ov_write.hEvent);
- CloseHandle(file->ov_read.hEvent);
- CloseHandle(file->ov_write.hEvent);
- }
-}
-
-PUBLIC void
-altos_free(struct altos_file *file)
-{
- altos_close(file);
- free(file);
-}
-
-PUBLIC int
-altos_putchar(struct altos_file *file, char c)
-{
- int ret;
-
- if (file->out_used == USB_BUF_SIZE) {
- ret = altos_flush(file);
- if (ret)
- return ret;
- }
- file->out_data[file->out_used++] = c;
- if (file->out_used == USB_BUF_SIZE)
- return altos_flush(file);
- return LIBALTOS_SUCCESS;
-}
-
-PUBLIC int
-altos_getchar(struct altos_file *file, int timeout)
-{
- int ret;
- while (file->in_read == file->in_used) {
- if (file->handle == INVALID_HANDLE_VALUE)
- return LIBALTOS_ERROR;
- ret = altos_fill(file, timeout);
- if (ret)
- return ret;
- }
- return file->in_data[file->in_read++];
-}
-
-struct altos_bt_list *
-altos_bt_list_start(int inquiry_time)
-{
- return NULL;
-}
-
-int
-altos_bt_list_next(struct altos_bt_list *bt_list,
- struct altos_bt_device *device)
-{
- return 0;
-}
-
-void
-altos_bt_list_finish(struct altos_bt_list *bt_list)
-{
- free(bt_list);
-}
-
-void
-altos_bt_fill_in(char *name, char *addr, struct altos_bt_device *device)
-{
- strncpy(device->name, name, sizeof (device->name));
- device->name[sizeof(device->name)-1] = '\0';
- strncpy(device->addr, addr, sizeof (device->addr));
- device->addr[sizeof(device->addr)-1] = '\0';
-}
-
-struct altos_file *
-altos_bt_open(struct altos_bt_device *device)
-{
- return NULL;
-}
-
-#endif
projects / fw / altos / commitdiff