X-Git-Url: https://git.realraum.at/?p=svn42.git;a=blobdiff_plain;f=rf433rcv%2Fpc%2Fhid_MACOSX.c;fp=rf433rcv%2Fpc%2Fhid_MACOSX.c;h=0000000000000000000000000000000000000000;hp=c5d5d1bbbaa90c412de7512120babdb62add0c1e;hb=fff7d88ae580a68519a3b9f590a2cf9cce21ef8b;hpb=5b00dab1a7d2ac2d8a593f0bd6e85a7194e2c9bd diff --git a/rf433rcv/pc/hid_MACOSX.c b/rf433rcv/pc/hid_MACOSX.c deleted file mode 100644 index c5d5d1b..0000000 --- a/rf433rcv/pc/hid_MACOSX.c +++ /dev/null @@ -1,412 +0,0 @@ -/* Simple Raw HID functions for Linux - for use with Teensy RawHID example - * http://www.pjrc.com/teensy/rawhid.html - * Copyright (c) 2009 PJRC.COM, LLC - * - * rawhid_open - open 1 or more devices - * rawhid_recv - receive a packet - * rawhid_send - send a packet - * rawhid_close - close a device - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above description, website URL and copyright notice and this permission - * notice shall be included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * - * Version 1.0: Initial Release - */ - -#include -#include -#include -#include -#include -#include - -#include "hid.h" - -#define BUFFER_SIZE 64 - -#define printf(...) // comment this out to get lots of info printed - - -// a list of all opened HID devices, so the caller can -// simply refer to them by number -typedef struct hid_struct hid_t; -typedef struct buffer_struct buffer_t; -static hid_t *first_hid = NULL; -static hid_t *last_hid = NULL; -struct hid_struct { - IOHIDDeviceRef ref; - int open; - uint8_t buffer[BUFFER_SIZE]; - buffer_t *first_buffer; - buffer_t *last_buffer; - struct hid_struct *prev; - struct hid_struct *next; -}; -struct buffer_struct { - struct buffer_struct *next; - uint32_t len; - uint8_t buf[BUFFER_SIZE]; -}; - -// private functions, not intended to be used from outside this file -static void add_hid(hid_t *); -static hid_t * get_hid(int); -static void free_all_hid(void); -static void hid_close(hid_t *); -static void attach_callback(void *, IOReturn, void *, IOHIDDeviceRef); -static void detach_callback(void *, IOReturn, void *hid_mgr, IOHIDDeviceRef dev); -static void timeout_callback(CFRunLoopTimerRef, void *); -static void input_callback(void *, IOReturn, void *, IOHIDReportType, - uint32_t, uint8_t *, CFIndex); - - - -// rawhid_recv - receive a packet -// Inputs: -// num = device to receive from (zero based) -// buf = buffer to receive packet -// len = buffer's size -// timeout = time to wait, in milliseconds -// Output: -// number of bytes received, or -1 on error -// -int rawhid_recv(int num, void *buf, int len, int timeout) -{ - hid_t *hid; - buffer_t *b; - CFRunLoopTimerRef timer=NULL; - CFRunLoopTimerContext context; - int ret=0, timeout_occurred=0; - - if (len < 1) return 0; - hid = get_hid(num); - if (!hid || !hid->open) return -1; - if ((b = hid->first_buffer) != NULL) { - if (len > b->len) len = b->len; - memcpy(buf, b->buf, len); - hid->first_buffer = b->next; - free(b); - return len; - } - memset(&context, 0, sizeof(context)); - context.info = &timeout_occurred; - timer = CFRunLoopTimerCreate(NULL, CFAbsoluteTimeGetCurrent() + - (double)timeout / 1000.0, 0, 0, 0, timeout_callback, &context); - CFRunLoopAddTimer(CFRunLoopGetCurrent(), timer, kCFRunLoopDefaultMode); - while (1) { - CFRunLoopRun(); - if ((b = hid->first_buffer) != NULL) { - if (len > b->len) len = b->len; - memcpy(buf, b->buf, len); - hid->first_buffer = b->next; - free(b); - ret = len; - break; - } - if (!hid->open) { - printf("rawhid_recv, device not open\n"); - ret = -1; - break; - } - if (timeout_occurred) break; - } - CFRunLoopTimerInvalidate(timer); - CFRelease(timer); - return ret; -} - -static void input_callback(void *context, IOReturn ret, void *sender, - IOHIDReportType type, uint32_t id, uint8_t *data, CFIndex len) -{ - buffer_t *n; - hid_t *hid; - - printf("input_callback\n"); - if (ret != kIOReturnSuccess || len < 1) return; - hid = context; - if (!hid || hid->ref != sender) return; - n = (buffer_t *)malloc(sizeof(buffer_t)); - if (!n) return; - if (len > BUFFER_SIZE) len = BUFFER_SIZE; - memcpy(n->buf, data, len); - n->len = len; - n->next = NULL; - if (!hid->first_buffer || !hid->last_buffer) { - hid->first_buffer = hid->last_buffer = n; - } else { - hid->last_buffer->next = n; - hid->last_buffer = n; - } - CFRunLoopStop(CFRunLoopGetCurrent()); -} - -static void timeout_callback(CFRunLoopTimerRef timer, void *info) -{ - printf("timeout_callback\n"); - *(int *)info = 1; - CFRunLoopStop(CFRunLoopGetCurrent()); -} - - -void output_callback(void *context, IOReturn ret, void *sender, - IOHIDReportType type, uint32_t id, uint8_t *data, CFIndex len) -{ - printf("output_callback, r=%d\n", ret); - if (ret == kIOReturnSuccess) { - *(int *)context = len; - } else { - // timeout if not success? - *(int *)context = 0; - } - CFRunLoopStop(CFRunLoopGetCurrent()); -} - - -// rawhid_send - send a packet -// Inputs: -// num = device to transmit to (zero based) -// buf = buffer containing packet to send -// len = number of bytes to transmit -// timeout = time to wait, in milliseconds -// Output: -// number of bytes sent, or -1 on error -// -int rawhid_send(int num, void *buf, int len, int timeout) -{ - hid_t *hid; - int result=-100; - - hid = get_hid(num); - if (!hid || !hid->open) return -1; -#if 1 - #warning "Send timeout not implemented on MACOSX" - IOReturn ret = IOHIDDeviceSetReport(hid->ref, kIOHIDReportTypeOutput, 0, buf, len); - result = (ret == kIOReturnSuccess) ? len : -1; -#endif -#if 0 - // No matter what I tried this never actually sends an output - // report and output_callback never gets called. Why?? - // Did I miss something? This is exactly the same params as - // the sync call that works. Is it an Apple bug? - // (submitted to Apple on 22-sep-2009, problem ID 7245050) - // - IOHIDDeviceScheduleWithRunLoop(hid->ref, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode); - // should already be scheduled with run loop by attach_callback, - // sadly this doesn't make any difference either way - - // could this be related? - // http://lists.apple.com/archives/usb/2008/Aug/msg00021.html - // - IOHIDDeviceSetReportWithCallback(hid->ref, kIOHIDReportTypeOutput, - 0, buf, len, (double)timeout / 1000.0, output_callback, &result); - while (1) { - printf("enter run loop (send)\n"); - CFRunLoopRun(); - printf("leave run loop (send)\n"); - if (result > -100) break; - if (!hid->open) { - result = -1; - break; - } - } -#endif - return result; -} - - -// rawhid_open - open 1 or more devices -// -// Inputs: -// max = maximum number of devices to open -// vid = Vendor ID, or -1 if any -// pid = Product ID, or -1 if any -// usage_page = top level usage page, or -1 if any -// usage = top level usage number, or -1 if any -// Output: -// actual number of devices opened -// -int rawhid_open(int max, int vid, int pid, int usage_page, int usage) -{ - static IOHIDManagerRef hid_manager=NULL; - CFMutableDictionaryRef dict; - CFNumberRef num; - IOReturn ret; - hid_t *p; - int count=0; - - if (first_hid) free_all_hid(); - printf("rawhid_open, max=%d\n", max); - if (max < 1) return 0; - // Start the HID Manager - // http://developer.apple.com/technotes/tn2007/tn2187.html - if (!hid_manager) { - hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone); - if (hid_manager == NULL || CFGetTypeID(hid_manager) != IOHIDManagerGetTypeID()) { - if (hid_manager) CFRelease(hid_manager); - return 0; - } - } - if (vid > 0 || pid > 0 || usage_page > 0 || usage > 0) { - // Tell the HID Manager what type of devices we want - dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, - &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); - if (!dict) return 0; - if (vid > 0) { - num = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &vid); - CFDictionarySetValue(dict, CFSTR(kIOHIDVendorIDKey), num); - CFRelease(num); - } - if (pid > 0) { - num = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &pid); - CFDictionarySetValue(dict, CFSTR(kIOHIDProductIDKey), num); - CFRelease(num); - } - if (usage_page > 0) { - num = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &usage_page); - CFDictionarySetValue(dict, CFSTR(kIOHIDPrimaryUsagePageKey), num); - CFRelease(num); - } - if (usage > 0) { - num = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &usage); - CFDictionarySetValue(dict, CFSTR(kIOHIDPrimaryUsageKey), num); - CFRelease(num); - } - IOHIDManagerSetDeviceMatching(hid_manager, dict); - CFRelease(dict); - } else { - IOHIDManagerSetDeviceMatching(hid_manager, NULL); - } - // set up a callbacks for device attach & detach - IOHIDManagerScheduleWithRunLoop(hid_manager, CFRunLoopGetCurrent(), - kCFRunLoopDefaultMode); - IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, attach_callback, NULL); - IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, detach_callback, NULL); - ret = IOHIDManagerOpen(hid_manager, kIOHIDOptionsTypeNone); - if (ret != kIOReturnSuccess) { - IOHIDManagerUnscheduleFromRunLoop(hid_manager, - CFRunLoopGetCurrent(), kCFRunLoopDefaultMode); - CFRelease(hid_manager); - return 0; - } - printf("run loop\n"); - // let it do the callback for all devices - while (CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true) == kCFRunLoopRunHandledSource) ; - // count up how many were added by the callback - for (p = first_hid; p; p = p->next) count++; - return count; -} - - -// rawhid_close - close a device -// -// Inputs: -// num = device to close (zero based) -// Output -// (nothing) -// -void rawhid_close(int num) -{ - hid_t *hid; - - hid = get_hid(num); - if (!hid || !hid->open) return; - hid_close(hid); - hid->open = 0; -} - - -static void add_hid(hid_t *h) -{ - if (!first_hid || !last_hid) { - first_hid = last_hid = h; - h->next = h->prev = NULL; - return; - } - last_hid->next = h; - h->prev = last_hid; - h->next = NULL; - last_hid = h; -} - - -static hid_t * get_hid(int num) -{ - hid_t *p; - for (p = first_hid; p && num > 0; p = p->next, num--) ; - return p; -} - - -static void free_all_hid(void) -{ - hid_t *p, *q; - - for (p = first_hid; p; p = p->next) { - hid_close(p); - } - p = first_hid; - while (p) { - q = p; - p = p->next; - free(q); - } - first_hid = last_hid = NULL; -} - - -static void hid_close(hid_t *hid) -{ - if (!hid || !hid->open || !hid->ref) return; - IOHIDDeviceUnscheduleFromRunLoop(hid->ref, CFRunLoopGetCurrent( ), kCFRunLoopDefaultMode); - IOHIDDeviceClose(hid->ref, kIOHIDOptionsTypeNone); - hid->ref = NULL; -} - -static void detach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev) -{ - hid_t *p; - - printf("detach callback\n"); - for (p = first_hid; p; p = p->next) { - if (p->ref == dev) { - p->open = 0; - CFRunLoopStop(CFRunLoopGetCurrent()); - return; - } - } -} - - -static void attach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev) -{ - struct hid_struct *h; - - printf("attach callback\n"); - if (IOHIDDeviceOpen(dev, kIOHIDOptionsTypeNone) != kIOReturnSuccess) return; - h = (hid_t *)malloc(sizeof(hid_t)); - if (!h) return; - memset(h, 0, sizeof(hid_t)); - IOHIDDeviceScheduleWithRunLoop(dev, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode); - IOHIDDeviceRegisterInputReportCallback(dev, h->buffer, sizeof(h->buffer), - input_callback, h); - h->ref = dev; - h->open = 1; - add_hid(h); -} - -