1 /***************************************************************************//**
2 * \file cyhal_quaddec_impl.h
3 *
4 * Description:
5 * Provides a high level interface for interacting with the Infineon PWM.
6 *
7 ********************************************************************************
8 * \copyright
9 * Copyright 2019-2021 Cypress Semiconductor Corporation (an Infineon company) or
10 * an affiliate of Cypress Semiconductor Corporation
11 *
12 * SPDX-License-Identifier: Apache-2.0
13 *
14 * Licensed under the Apache License, Version 2.0 (the "License");
15 * you may not use this file except in compliance with the License.
16 * You may obtain a copy of the License at
17 *
18 *     http://www.apache.org/licenses/LICENSE-2.0
19 *
20 * Unless required by applicable law or agreed to in writing, software
21 * distributed under the License is distributed on an "AS IS" BASIS,
22 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
23 * See the License for the specific language governing permissions and
24 * limitations under the License.
25 *******************************************************************************/
26 
27 #pragma once
28 
29 #include "cyhal_tcpwm_common.h"
30 
31 #if defined(CY_IP_MXTCPWM_INSTANCES) || defined(CY_IP_M0S8TCPWM_INSTANCES)
32 
33 #if defined(__cplusplus)
34 extern "C" {
35 #endif /* __cplusplus */
36 
37 /** \addtogroup group_hal_impl_quaddec Quadrature Decoder
38  * \ingroup group_hal_impl
39  * \{
40  * \section group_hal_impl_quaddec_interconnect Interconnect
41  * In PSoC™ Quadrature Decoder channels can configure multiple input and output
42  * triggers simultaneously. 1 or more input triggers can be configured to
43  * initiate different PWM actions (e.g start, stop, reload, etc) with
44  * configurable edge detection on that incoming signal. Output triggers are
45  * based on certain events (e.g overflow, cc_match, etc).
46  */
47 
_cyhal_quaddec_convert_event(cyhal_quaddec_event_t event)48 __STATIC_INLINE uint32_t _cyhal_quaddec_convert_event(cyhal_quaddec_event_t event)
49 {
50     uint32_t pdl_event = 0U;
51     if (event & CYHAL_QUADDEC_IRQ_TERMINAL_COUNT)
52     {
53         pdl_event |= CY_TCPWM_INT_ON_TC;
54     }
55     if (event & CYHAL_QUADDEC_IRQ_CAPTURE)
56     {
57         pdl_event |= CY_TCPWM_INT_ON_CC;
58     }
59     return pdl_event;
60 }
61 
_cyhal_quaddec_register_callback(cyhal_quaddec_t * obj,cyhal_quaddec_event_callback_t callback,void * callback_arg)62 __STATIC_INLINE void _cyhal_quaddec_register_callback(cyhal_quaddec_t *obj,
63                                                       cyhal_quaddec_event_callback_t callback,
64                                                       void *callback_arg)
65 {
66     _cyhal_tcpwm_register_callback(&obj->tcpwm.resource, (cy_israddress) callback, callback_arg);
67 }
68 
69 #define cyhal_quaddec_register_callback(obj, callback, callback_arg) \
70         _cyhal_quaddec_register_callback(obj, callback, callback_arg)
71 
_cyhal_quaddec_enable_event(cyhal_quaddec_t * obj,cyhal_quaddec_event_t event,uint8_t intr_priority,bool enable)72 __STATIC_INLINE void _cyhal_quaddec_enable_event(cyhal_quaddec_t *obj,
73                                                  cyhal_quaddec_event_t event,
74                                                  uint8_t intr_priority,
75                                                  bool enable)
76 {
77     uint32_t converted = _cyhal_quaddec_convert_event(event);
78     _cyhal_tcpwm_enable_event(&obj->tcpwm, &obj->tcpwm.resource, converted, intr_priority,
79                               enable);
80 }
81 
82 #define cyhal_quaddec_enable_event(obj, event, intr_priority, enable) \
83         _cyhal_quaddec_enable_event(obj, event, intr_priority, enable)
84 
85 /** \} group_hal_impl_quaddec */
86 
87 #if defined(__cplusplus)
88 }
89 #endif /* __cplusplus */
90 
91 #endif /* defined(CY_IP_MXTCPWM_INSTANCES) */
92