| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * 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 _CM4F_PENDSV_H_ |
| #define _CM4F_PENDSV_H_ |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| #define MAX_PENDSV_SUBSCRIBERS 4 |
| |
| struct PendsvRegsLow { |
| uint32_t r0, r1, r2, r3; |
| uint32_t r12, lr, pc, cpsr; |
| }; |
| |
| struct PendsvRegsHi { |
| uint32_t r4, r5, r6, r7; |
| uint32_t r8, r9, r10, r11; |
| }; |
| |
| typedef void (*PendsvCallbackF)(struct PendsvRegsLow *loRegs, struct PendsvRegsHi *hiRegs); |
| |
| bool pendsvSubscribe(PendsvCallbackF cbk); //may not be interrupt safe if reentered |
| bool pendsvUnsubscribe(PendsvCallbackF cbk); |
| void pendsvTrigger(void); |
| void pendsvClear(void); |
| bool pendsvIsPending(void); |
| |
| |
| #endif |
| |