1 /**
2 * @file nvic_table.h
3 * @brief Interrupt vector table manipulation functions.
4 */
5
6 /******************************************************************************
7 *
8 * Copyright (C) 2022-2023 Maxim Integrated Products, Inc. (now owned by
9 * Analog Devices, Inc.),
10 * Copyright (C) 2023-2024 Analog Devices, Inc.
11 *
12 * Licensed under the Apache License, Version 2.0 (the "License");
13 * you may not use this file except in compliance with the License.
14 * You may obtain a copy of the License at
15 *
16 * http://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,
20 * WITHOUT 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
26 #ifndef LIBRARIES_PERIPHDRIVERS_INCLUDE_MAX32665_NVIC_TABLE_H_
27 #define LIBRARIES_PERIPHDRIVERS_INCLUDE_MAX32665_NVIC_TABLE_H_
28
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32
33 /**
34 * @brief Set an IRQ hander callback function. If the IRQ table is in
35 * flash, this will copy it to RAM and set NVIC to RAM based table.
36 *
37 * @param irqn ARM external IRQ number
38 * @param irq_callback Function to be called at IRQ context
39 *
40 */
41 void MXC_NVIC_SetVector(IRQn_Type irqn, void (*irq_callback)(void));
42
43 #if defined(__GNUC__)
44 #if __CM4_CMSIS_VERSION_MAIN == 0x03
45 // NVIC_SetVector was custom-implemented in the PeriphDrivers library for
46 // CMSIS version 3. Newer versions of CMSIS provide an implementation of
47 // NVIC_SetVector with different functionality, so the Maxim implementation
48 // has been moved to MXC_NVIC_SetVector (above).
49
50 // The MSDK will move to CMSIS version 5 in the future.
51
52 // For CMSIS version 3, use MXC_NVIC_SetVector instead.
53 // For CMSIS version 5, you have the choice of using either. However, only
54 // MXC_NVIC_SetVector will work with legacy code.
55 inline __attribute__((
56 deprecated("Use MXC_NVIC_SetVector instead. See nvic_table.h for more details."))) void
NVIC_SetVector(IRQn_Type irqn,void (* irq_callback)(void))57 NVIC_SetVector(IRQn_Type irqn, void (*irq_callback)(void))
58 {
59 MXC_NVIC_SetVector(irqn, irq_callback);
60 }
61 #endif
62 #endif
63
64 /**
65 * @brief Copy NVIC vector table to RAM and set NVIC to RAM based table.
66 *
67 */
68 void NVIC_SetRAM(void);
69
70 /**
71 * @brief Get Interrupt Vector
72 * @details Reads an interrupt vector from interrupt vector table. The
73 * interrupt number can be positive to specify a device specific
74 * interrupt, or negative to specify a processor exception.
75 * @param[in] IRQn Interrupt number.
76 * @return Address of interrupt handler function
77 */
78 uint32_t MXC_NVIC_GetVector(IRQn_Type IRQn);
79
80 #if defined(__GNUC__)
81 #if __CM4_CMSIS_VERSION_MAIN == 0x03
82 // NVIC_GetVector was custom-implemented in the PeriphDrivers library for
83 // CMSIS version 3. Newer versions of CMSIS provide an implementation of
84 // NVIC_GetVector with different functionality, so the Maxim implementation
85 // has been moved to MXC_NVIC_GetVector (above).
86
87 // The MSDK will move to CMSIS version 5 in the future.
88
89 // For CMSIS version 3, use MXC_NVIC_SetVector instead.
90 // For CMSIS version 5, you have the choice of using either. However, only
91 // MXC_NVIC_GetVector will work with legacy code.
92 inline __attribute__((
93 deprecated("Use MXC_NVIC_GetVector instead. See nvic_table.h for more details."))) void
NVIC_GetVector(IRQn_Type irqn)94 NVIC_GetVector(IRQn_Type irqn)
95 {
96 MXC_NVIC_GetVector(irqn);
97 }
98 #endif
99 #endif
100
101 #ifdef __cplusplus
102 }
103 #endif
104
105 #endif // LIBRARIES_PERIPHDRIVERS_INCLUDE_MAX32665_NVIC_TABLE_H_
106
