--- /dev/null
+/*
+ * 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"
+
+#define USE_DARWIN
+
+#ifdef USE_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>
+#include <fcntl.h>
+#include <poll.h>
+#include <termios.h>
+#include <errno.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;
+}
+
+int
+altos_init(void)
+{
+ return 1;
+}
+
+void
+altos_fini(void)
+{
+}
+
+struct altos_list *
+altos_list_start(void)
+{
+ struct altos_list *list = calloc (sizeof (struct altos_list), 1);
+ CFMutableDictionaryRef matching_dictionary = IOServiceMatching("IOUSBDevice");
+ UInt32 vendor = 0xfffe, product = 0x000a;
+ CFNumberRef vendor_ref = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &vendor);
+ CFNumberRef product_ref = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &product);
+ io_iterator_t tdIterator;
+ io_object_t tdObject;
+
+ CFDictionaryAddValue(matching_dictionary, CFSTR(kUSBVendorID), vendor_ref);
+ CFDictionaryAddValue(matching_dictionary, CFSTR(kUSBProductID), product_ref);
+
+ IOServiceGetMatchingServices(kIOMasterPortDefault, matching_dictionary, &list->iterator);
+
+ CFRelease(vendor_ref);
+ CFRelease(product_ref);
+ return list;
+}
+
+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_string (object, CFSTR("IOCalloutDevice"), device->path, sizeof (device->path)) &&
+ get_string (object, CFSTR("USB Product Name"), device->product, sizeof (device->product)) &&
+ get_string (object, CFSTR("USB Serial Number"), serial_string, sizeof (serial_string))) {
+ device->serial = atoi(serial_string);
+ return 1;
+ }
+ }
+}
+
+void
+altos_list_finish(struct altos_list *list)
+{
+ IOObjectRelease (list->iterator);
+ free(list);
+}
+
+
+#define USB_BUF_SIZE 64
+
+struct altos_file {
+ int fd;
+ unsigned char out_data[USB_BUF_SIZE];
+ int out_used;
+ unsigned char in_data[USB_BUF_SIZE];
+ int in_used;
+ int in_read;
+};
+
+void
+altos_test(char *path)
+{
+ int n;
+ char buf[16];
+ int fd;
+ struct termios term;
+
+ fd = open(path, O_RDWR | O_NOCTTY);
+ if (fd < 0) {
+ perror(path);
+ return;
+ }
+ if (ioctl(fd, TIOCEXCL, (char *) 0) < 0) {
+ perror("TIOCEXCL");
+ close (fd);
+ return;
+ }
+
+ n = tcgetattr(fd, &term);
+ if (n < 0) {
+ perror("tcgetattr");
+ close(fd);
+ return;
+ }
+ cfmakeraw(&term);
+ term.c_cc[VMIN] = 0;
+ term.c_cc[VTIME] = 1;
+ n = tcsetattr(fd, TCSAFLUSH, &term);
+ if (n < 0) {
+ perror("tcsetattr");
+ close(fd);
+ return;
+ }
+ write(fd, "\n?\n", 3);
+ for (;;) {
+ n = read(fd, buf, sizeof (buf));
+ if (n < 0) {
+ perror("read");
+ break;
+ }
+ if (n == 0)
+ break;
+ write(1, buf, n);
+ }
+ close(fd);
+}
+
+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)
+ return NULL;
+
+ file->fd = open(device->path, O_RDWR | O_NOCTTY);
+ if (file->fd < 0) {
+ perror(device->path);
+ free(file);
+ return NULL;
+ }
+ ret = tcgetattr(file->fd, &term);
+ if (ret < 0) {
+ perror("tcgetattr");
+ close(file->fd);
+ free(file);
+ return NULL;
+ }
+ cfmakeraw(&term);
+ term.c_cc[VMIN] = 0;
+ term.c_cc[VTIME] = 1;
+ ret = tcsetattr(file->fd, TCSAFLUSH, &term);
+ if (ret < 0) {
+ perror("tcsetattr");
+ close(file->fd);
+ free(file);
+ return NULL;
+ }
+ return file;
+}
+
+void
+altos_close(struct altos_file *file)
+{
+ close(file->fd);
+ free(file);
+}
+
+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 0;
+}
+
+int
+altos_flush(struct altos_file *file)
+{
+ while (file->out_used) {
+ int ret;
+
+ ret = write (file->fd, file->out_data, file->out_used);
+ if (ret < 0)
+ return -errno;
+ if (ret) {
+ memmove(file->out_data, file->out_data + ret,
+ file->out_used - ret);
+ file->out_used -= ret;
+ }
+ }
+}
+
+int
+altos_getchar(struct altos_file *file, int timeout)
+{
+ while (file->in_read == file->in_used) {
+ int ret;
+
+ altos_flush(file);
+ ret = read(file->fd, file->in_data, USB_BUF_SIZE);
+ if (ret < 0)
+ return -errno;
+ file->in_read = 0;
+ file->in_used = ret;
+ }
+ return file->in_data[file->in_read++];
+}
+
+#endif /* USE_DARWIN */
+
+#ifdef USE_LIBUSB
+#include <libusb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+libusb_context *usb_context;
+
+int altos_init(void)
+{
+ int ret;
+ ret = libusb_init(&usb_context);
+ if (ret)
+ return ret;
+ libusb_set_debug(usb_context, 3);
+ return 0;
+}
+
+void altos_fini(void)
+{
+ libusb_exit(usb_context);
+ usb_context = NULL;
+}
+
+static libusb_device **list;
+static ssize_t num, current;
+
+int altos_list_start(void)
+{
+ if (list)
+ altos_list_finish();
+ current = 0;
+ num = libusb_get_device_list(usb_context, &list);
+ if (num == 0) {
+ current = num = 0;
+ list = NULL;
+ return 0;
+ }
+ return 1;
+}
+
+int altos_list_next(struct altos_device *device)
+{
+ while (current < num) {
+ struct libusb_device_descriptor descriptor;
+ libusb_device *usb_device = list[current++];
+
+ if (libusb_get_device_descriptor(usb_device, &descriptor) == 0) {
+ if (descriptor.idVendor == 0xfffe)
+ {
+ libusb_device_handle *handle;
+ if (libusb_open(usb_device, &handle) == 0) {
+ char serial_number[256];
+ libusb_get_string_descriptor_ascii(handle, descriptor.iProduct,
+ device->product,
+ sizeof(device->product));
+ libusb_get_string_descriptor_ascii(handle, descriptor.iSerialNumber,
+ serial_number,
+ sizeof (serial_number));
+ libusb_close(handle);
+ device->serial = atoi(serial_number);
+ device->device = usb_device;
+ return 1;
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+void altos_list_finish(void)
+{
+ if (list) {
+ libusb_free_device_list(list, 1);
+ list = NULL;
+ }
+}
+
+#define USB_BUF_SIZE 64
+
+struct altos_file {
+ struct libusb_device *device;
+ struct libusb_device_handle *handle;
+ int out_ep;
+ int out_size;
+ int in_ep;
+ int in_size;
+ unsigned char out_data[USB_BUF_SIZE];
+ int out_used;
+ unsigned char in_data[USB_BUF_SIZE];
+ int in_used;
+ int in_read;
+};
+
+struct altos_file *
+altos_open(struct altos_device *device)
+{
+ struct altos_file *file;
+ struct libusb_device_handle *handle;
+ if (libusb_open(device->device, &handle) == 0) {
+ int ret;
+
+ ret = libusb_claim_interface(handle, 1);
+#if 0
+ if (ret) {
+ libusb_close(handle);
+ return NULL;
+ }
+#endif
+ ret = libusb_detach_kernel_driver(handle, 1);
+#if 0
+ if (ret) {
+ libusb_close(handle);
+ return NULL;
+ }
+#endif
+
+ file = calloc(sizeof (struct altos_file), 1);
+ file->device = libusb_ref_device(device->device);
+ file->handle = handle;
+ /* XXX should get these from the endpoint descriptors */
+ file->out_ep = 4 | LIBUSB_ENDPOINT_OUT;
+ file->out_size = 64;
+ file->in_ep = 5 | LIBUSB_ENDPOINT_IN;
+ file->in_size = 64;
+
+ return file;
+ }
+ return NULL;
+}
+
+void
+altos_close(struct altos_file *file)
+{
+ libusb_close(file->handle);
+ libusb_unref_device(file->device);
+ file->handle = NULL;
+ free(file);
+}
+
+int
+altos_putchar(struct altos_file *file, char c)
+{
+ int ret;
+
+ if (file->out_used == file->out_size) {
+ ret = altos_flush(file);
+ if (ret)
+ return ret;
+ }
+ file->out_data[file->out_used++] = c;
+ if (file->out_used == file->out_size)
+ return altos_flush(file);
+ return 0;
+}
+
+int
+altos_flush(struct altos_file *file)
+{
+ while (file->out_used) {
+ int transferred;
+ int ret;
+
+ ret = libusb_bulk_transfer(file->handle,
+ file->out_ep,
+ file->out_data,
+ file->out_used,
+ &transferred,
+ 0);
+ if (ret)
+ return ret;
+ if (transferred) {
+ memmove(file->out_data, file->out_data + transferred,
+ file->out_used - transferred);
+ file->out_used -= transferred;
+ }
+ }
+}
+
+int
+altos_getchar(struct altos_file *file, int timeout)
+{
+ while (file->in_read == file->in_used) {
+ int ret;
+ int transferred;
+
+ altos_flush(file);
+ ret = libusb_bulk_transfer(file->handle,
+ file->in_ep,
+ file->in_data,
+ file->in_size,
+ &transferred,
+ (unsigned int) timeout);
+ if (ret)
+ return ret;
+ file->in_read = 0;
+ file->in_used = transferred;
+ }
+ return file->in_data[file->in_read++];
+}
+
+#endif /* USE_LIBUSB */
projects / fw / altos / commitdiff