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https://github.com/candle-usb/candleLight_fw.git
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53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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The MIT License (MIT)
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Copyright (c) 2016, 2019 Hubert Denkmair
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <cmsis_device.h>
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void hex32(char *out, uint32_t val);
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static inline bool is_irq_enabled(void)
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{
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return (__get_PRIMASK() & 1u) == 0u; // interrupts not prevented
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}
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static inline bool disable_irq(void)
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{
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bool was_enabled = is_irq_enabled();
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__disable_irq();
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return was_enabled;
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}
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static inline void enable_irq()
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{
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__enable_irq();
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__ISB();
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}
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