diff options
Diffstat (limited to 'esp8266/xtirq.h')
| -rw-r--r-- | esp8266/xtirq.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/esp8266/xtirq.h b/esp8266/xtirq.h deleted file mode 100644 index 595052fc73..0000000000 --- a/esp8266/xtirq.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * This file is part of the MicroPython project, http://micropython.org/ - * - * The MIT License (MIT) - * - * Copyright (c) 2016 Damien P. George - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef MICROPY_INCLUDED_ESP8266_XTIRQ_H -#define MICROPY_INCLUDED_ESP8266_XTIRQ_H - -#include <stdint.h> - -// returns the value of "intlevel" from the PS register -static inline uint32_t query_irq(void) { - uint32_t ps; - __asm__ volatile("rsr %0, ps" : "=a" (ps)); - return ps & 0xf; -} - -// irqs with a priority value lower or equal to "intlevel" will be disabled -// "intlevel" should be between 0 and 15 inclusive, and should be an integer -static inline uint32_t raise_irq_pri(uint32_t intlevel) { - uint32_t old_ps; - __asm__ volatile ("rsil %0, %1" : "=a" (old_ps) : "I" (intlevel)); - return old_ps; -} - -// "ps" should be the value returned from raise_irq_pri -static inline void restore_irq_pri(uint32_t ps) { - __asm__ volatile ("wsr %0, ps; rsync" :: "a" (ps)); -} - -static inline uint32_t disable_irq(void) { - return raise_irq_pri(15); -} - -static inline void enable_irq(uint32_t irq_state) { - restore_irq_pri(irq_state); -} - -#endif // MICROPY_INCLUDED_ESP8266_XTIRQ_H |