1 /******************************************************************************
2  * @file     cmsis_vio.h
3  * @brief    CMSIS Virtual I/O header file
4  * @version  V1.0.0
5  * @date     24. May 2023
6  ******************************************************************************/
7 /*
8  * Copyright (c) 2019-2023 Arm Limited. All rights reserved.
9  *
10  * SPDX-License-Identifier: Apache-2.0
11  *
12  * Licensed under the Apache License, Version 2.0 (the License); you may
13  * not use this file except in compliance with the License.
14  * You may obtain a copy of the License at
15  *
16  * www.apache.org/licenses/LICENSE-2.0
17  *
18  * Unless required by applicable law or agreed to in writing, software
19  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
20  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21  * See the License for the specific language governing permissions and
22  * limitations under the License.
23  */
24 
25 #ifndef __CMSIS_VIO_H
26 #define __CMSIS_VIO_H
27 
28 #include <stdint.h>
29 
30 /*******************************************************************************
31  * Generic I/O mapping recommended for CMSIS-VIO
32  * Note: not every I/O must be physically available
33  */
34 
35 // vioSetSignal: mask values
36 #define vioLED0             (1U << 0)   ///< \ref vioSetSignal \a mask parameter: LED 0 (for 3-color: red)
37 #define vioLED1             (1U << 1)   ///< \ref vioSetSignal \a mask parameter: LED 1 (for 3-color: green)
38 #define vioLED2             (1U << 2)   ///< \ref vioSetSignal \a mask parameter: LED 2 (for 3-color: blue)
39 #define vioLED3             (1U << 3)   ///< \ref vioSetSignal \a mask parameter: LED 3
40 #define vioLED4             (1U << 4)   ///< \ref vioSetSignal \a mask parameter: LED 4
41 #define vioLED5             (1U << 5)   ///< \ref vioSetSignal \a mask parameter: LED 5
42 #define vioLED6             (1U << 6)   ///< \ref vioSetSignal \a mask parameter: LED 6
43 #define vioLED7             (1U << 7)   ///< \ref vioSetSignal \a mask parameter: LED 7
44 
45 // vioSetSignal: signal values
46 #define vioLEDon            (0xFFU)     ///< \ref vioSetSignal \a signal parameter: pattern to turn any LED on
47 #define vioLEDoff           (0x00U)     ///< \ref vioSetSignal \a signal parameter: pattern to turn any LED off
48 
49 // vioGetSignal: mask values and return values
50 #define vioBUTTON0          (1U << 0)   ///< \ref vioGetSignal \a mask parameter: Push button 0
51 #define vioBUTTON1          (1U << 1)   ///< \ref vioGetSignal \a mask parameter: Push button 1
52 #define vioBUTTON2          (1U << 2)   ///< \ref vioGetSignal \a mask parameter: Push button 2
53 #define vioBUTTON3          (1U << 3)   ///< \ref vioGetSignal \a mask parameter: Push button 3
54 #define vioJOYup            (1U << 4)   ///< \ref vioGetSignal \a mask parameter: Joystick button: up
55 #define vioJOYdown          (1U << 5)   ///< \ref vioGetSignal \a mask parameter: Joystick button: down
56 #define vioJOYleft          (1U << 6)   ///< \ref vioGetSignal \a mask parameter: Joystick button: left
57 #define vioJOYright         (1U << 7)   ///< \ref vioGetSignal \a mask parameter: Joystick button: right
58 #define vioJOYselect        (1U << 8)   ///< \ref vioGetSignal \a mask parameter: Joystick button: select
59 #define vioJOYall           (vioJOYup    | \
60                              vioJOYdown  | \
61                              vioJOYleft  | \
62                              vioJOYright | \
63                              vioJOYselect)  ///< \ref vioGetSignal \a mask Joystick button: all
64 
65 // vioSetValue / vioGetValue: id values
66 #define vioAIN0             (0U)        ///< \ref vioSetValue / \ref vioGetValue \a id parameter: Analog input value 0
67 #define vioAIN1             (1U)        ///< \ref vioSetValue / \ref vioGetValue \a id parameter: Analog input value 1
68 #define vioAIN2             (2U)        ///< \ref vioSetValue / \ref vioGetValue \a id parameter: Analog input value 2
69 #define vioAIN3             (3U)        ///< \ref vioSetValue / \ref vioGetValue \a id parameter: Analog input value 3
70 #define vioAOUT0            (4U)        ///< \ref vioSetValue / \ref vioGetValue \a id parameter: Analog output value 0
71 
72 #ifdef  __cplusplus
73 extern "C"
74 {
75 #endif
76 
77 /// Initialize test input, output.
78 void vioInit (void);
79 
80 /// Set signal output.
81 /// \param[in]     mask         bit mask of signals to set.
82 /// \param[in]     signal       signal value to set.
83 void vioSetSignal (uint32_t mask, uint32_t signal);
84 
85 /// Get signal input.
86 /// \param[in]     mask         bit mask of signals to read.
87 /// \return signal value.
88 uint32_t vioGetSignal (uint32_t mask);
89 
90 /// Set value output.
91 /// \param[in]     id           output identifier.
92 /// \param[in]     value        value to set.
93 void vioSetValue (uint32_t id, int32_t value);
94 
95 /// Get value input.
96 /// \param[in]     id           input identifier.
97 /// \return  value retrieved from input.
98 int32_t vioGetValue (uint32_t id);
99 
100 #ifdef  __cplusplus
101 }
102 #endif
103 
104 #endif /* __CMSIS_VIO_H */
105