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| author | Fabien Poussin <fabien.poussin@gmail.com> | 2016-02-15 23:34:25 +0100 |
|---|---|---|
| committer | Fabien Poussin <fabien.poussin@gmail.com> | 2016-02-15 23:34:25 +0100 |
| commit | 771feb098db86458340ab2665dfb23bef970ace6 (patch) | |
| tree | f44218022dc6e96b669138c2bda65ad1f0f7e608 /os/hal/include/usbh/desciter.h | |
| parent | 1548bca80f5af0fe3f79331ae5a3d51b18f1c077 (diff) | |
| download | ChibiOS-Contrib-771feb098db86458340ab2665dfb23bef970ace6.tar.gz ChibiOS-Contrib-771feb098db86458340ab2665dfb23bef970ace6.tar.bz2 ChibiOS-Contrib-771feb098db86458340ab2665dfb23bef970ace6.zip | |
USB-Host: Initial commit
Diffstat (limited to 'os/hal/include/usbh/desciter.h')
| -rw-r--r-- | os/hal/include/usbh/desciter.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/os/hal/include/usbh/desciter.h b/os/hal/include/usbh/desciter.h new file mode 100644 index 0000000..52b0c98 --- /dev/null +++ b/os/hal/include/usbh/desciter.h @@ -0,0 +1,63 @@ +/*
+ ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
+ Copyright (C) 2015 Diego Ismirlian, TISA, (dismirlian (at) google's mail)
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+
+#ifndef USBH_DESCITER_H_
+#define USBH_DESCITER_H_
+
+#include "hal.h"
+
+#if HAL_USE_USBH
+
+#include "usbh/defs.h"
+
+
+/* DESCRIPTOR PARSING */
+#define _generic_iterator_fields \
+ const uint8_t *curr; \
+ uint16_t rem; \
+ bool valid;
+
+typedef struct {
+ _generic_iterator_fields
+} generic_iterator_t;
+
+typedef struct {
+ _generic_iterator_fields
+ const usbh_ia_descriptor_t *iad;
+} if_iterator_t;
+
+void cfg_iter_init(generic_iterator_t *icfg, const uint8_t *buff, uint16_t rem);
+void if_iter_init(if_iterator_t *iif, const generic_iterator_t *icfg);
+void ep_iter_init(generic_iterator_t *iep, const if_iterator_t *iif);
+void cs_iter_init(generic_iterator_t *ics, const generic_iterator_t *iter);
+void if_iter_next(if_iterator_t *iif);
+void ep_iter_next(generic_iterator_t *iep);
+void cs_iter_next(generic_iterator_t *ics);
+static inline const usbh_config_descriptor_t *cfg_get(generic_iterator_t *icfg) {
+ return (const usbh_config_descriptor_t *)icfg->curr;
+}
+static inline const usbh_interface_descriptor_t *if_get(if_iterator_t *iif) {
+ return (const usbh_interface_descriptor_t *)iif->curr;
+}
+static inline const usbh_endpoint_descriptor_t *ep_get(generic_iterator_t *iep) {
+ return (const usbh_endpoint_descriptor_t *)iep->curr;
+}
+
+#endif
+
+#endif /* USBH_DESCITER_H_ */
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