arduino-esp32/tools/sdk/include/esp32/esp_attr.h

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2016-10-06 13:21:30 +02:00
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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 __ESP_ATTR_H__
#define __ESP_ATTR_H__
#define ROMFN_ATTR
//Normally, the linker script will put all code and rodata in flash,
//and all variables in shared RAM. These macros can be used to redirect
//particular functions/variables to other memory regions.
// Forces code into IRAM instead of flash.
#define IRAM_ATTR __attribute__((section(".iram1")))
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// Forces data into DRAM instead of flash
#define DRAM_ATTR __attribute__((section(".dram1")))
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// Forces data to be 4 bytes aligned
#define WORD_ALIGNED_ATTR __attribute__((aligned(4)))
// Forces data to be placed to DMA-capable places
#define DMA_ATTR WORD_ALIGNED_ATTR DRAM_ATTR
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// Forces a string into DRAM instead of flash
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// Use as ets_printf(DRAM_STR("Hello world!\n"));
#define DRAM_STR(str) (__extension__({static const DRAM_ATTR char __c[] = (str); (const char *)&__c;}))
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// Forces code into RTC fast memory. See "docs/deep-sleep-stub.rst"
#define RTC_IRAM_ATTR __attribute__((section(".rtc.text")))
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#if CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
// Forces bss variable into external memory. "
#define EXT_RAM_ATTR __attribute__((section(".ext_ram.bss")))
#else
#define EXT_RAM_ATTR
#endif
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// Forces data into RTC slow memory. See "docs/deep-sleep-stub.rst"
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// Any variable marked with this attribute will keep its value
// during a deep sleep / wake cycle.
#define RTC_DATA_ATTR __attribute__((section(".rtc.data")))
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// Forces read-only data into RTC memory. See "docs/deep-sleep-stub.rst"
#define RTC_RODATA_ATTR __attribute__((section(".rtc.rodata")))
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// Allows to place data into RTC_SLOW memory.
#define RTC_SLOW_ATTR __attribute__((section(".rtc.force_slow")))
// Allows to place data into RTC_FAST memory.
#define RTC_FAST_ATTR __attribute__((section(".rtc.force_fast")))
Update IDF to aaf1239 (#1539) * fix sdmmc config * Fix warnings in EEPROM from @Curclamas * remove leftover TAG in EEPROM * Initial add of @stickbreaker i2c * Add log_n * fix warnings when log is off * i2c code clean up and reorganization * add flags to interrupt allocator * fix sdmmc config * Fix warnings in EEPROM from @Curclamas * remove leftover TAG in EEPROM * fix errors with latest IDF * fix debug optimization (#1365) incorrect optimization for debugging tick markers. * Fix some missing BT header * Change BTSerial log calls * Update BLE lib * Arduino-ESP32 release management scripted (#1515) * Calculate an absolute path for a custom partitions table (#1452) * * Arduino-ESP32 release management scripted (ready-to-merge) * * secure env for espressif/arduino-esp32 * * build tests enabled * gitter webhook enabled * * gitter room link fixed * better comment * * filepaths fixed * BT Serial adjustments * * don't run sketch builds & tests for tagged builds * Return false from WiFi.hostByName() if hostname is not resolved * Free BT Memory when BT is not used * WIFI_MODE_NULL is not supported anymore * Select some key examples to build with PlatformIO to save some time * Update BLE lib * Fixed BLE lib * Major WiFi overhaul - auto reconnect on connection loss now works - moved to event groups - some code clean up and procedure optimizations - new methods to get a more elaborate system ststus * Add cmake tests to travis * Add initial AsyncUDP * Add NetBIOS lib and fix CMake includes * Add Initial WebServer * Fix WebServer and examples * travis not quiting on build fail * Try different travis build * Update IDF to aaf1239 * Fix WPS Example * fix script permission and add some fail tests to sketch builder * Add missing space in WiFiClient::write(Stream &stream)
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// Forces data into noinit section to avoid initialization after restart.
#define __NOINIT_ATTR __attribute__((section(".noinit")))
Update IDF to aaf1239 (#1539) * fix sdmmc config * Fix warnings in EEPROM from @Curclamas * remove leftover TAG in EEPROM * Initial add of @stickbreaker i2c * Add log_n * fix warnings when log is off * i2c code clean up and reorganization * add flags to interrupt allocator * fix sdmmc config * Fix warnings in EEPROM from @Curclamas * remove leftover TAG in EEPROM * fix errors with latest IDF * fix debug optimization (#1365) incorrect optimization for debugging tick markers. * Fix some missing BT header * Change BTSerial log calls * Update BLE lib * Arduino-ESP32 release management scripted (#1515) * Calculate an absolute path for a custom partitions table (#1452) * * Arduino-ESP32 release management scripted (ready-to-merge) * * secure env for espressif/arduino-esp32 * * build tests enabled * gitter webhook enabled * * gitter room link fixed * better comment * * filepaths fixed * BT Serial adjustments * * don't run sketch builds & tests for tagged builds * Return false from WiFi.hostByName() if hostname is not resolved * Free BT Memory when BT is not used * WIFI_MODE_NULL is not supported anymore * Select some key examples to build with PlatformIO to save some time * Update BLE lib * Fixed BLE lib * Major WiFi overhaul - auto reconnect on connection loss now works - moved to event groups - some code clean up and procedure optimizations - new methods to get a more elaborate system ststus * Add cmake tests to travis * Add initial AsyncUDP * Add NetBIOS lib and fix CMake includes * Add Initial WebServer * Fix WebServer and examples * travis not quiting on build fail * Try different travis build * Update IDF to aaf1239 * Fix WPS Example * fix script permission and add some fail tests to sketch builder * Add missing space in WiFiClient::write(Stream &stream)
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// Forces data into RTC slow memory of .noinit section.
// Any variable marked with this attribute will keep its value
// after restart or during a deep sleep / wake cycle.
#define RTC_NOINIT_ATTR __attribute__((section(".rtc_noinit")))
Update IDF to aaf1239 (#1539) * fix sdmmc config * Fix warnings in EEPROM from @Curclamas * remove leftover TAG in EEPROM * Initial add of @stickbreaker i2c * Add log_n * fix warnings when log is off * i2c code clean up and reorganization * add flags to interrupt allocator * fix sdmmc config * Fix warnings in EEPROM from @Curclamas * remove leftover TAG in EEPROM * fix errors with latest IDF * fix debug optimization (#1365) incorrect optimization for debugging tick markers. * Fix some missing BT header * Change BTSerial log calls * Update BLE lib * Arduino-ESP32 release management scripted (#1515) * Calculate an absolute path for a custom partitions table (#1452) * * Arduino-ESP32 release management scripted (ready-to-merge) * * secure env for espressif/arduino-esp32 * * build tests enabled * gitter webhook enabled * * gitter room link fixed * better comment * * filepaths fixed * BT Serial adjustments * * don't run sketch builds & tests for tagged builds * Return false from WiFi.hostByName() if hostname is not resolved * Free BT Memory when BT is not used * WIFI_MODE_NULL is not supported anymore * Select some key examples to build with PlatformIO to save some time * Update BLE lib * Fixed BLE lib * Major WiFi overhaul - auto reconnect on connection loss now works - moved to event groups - some code clean up and procedure optimizations - new methods to get a more elaborate system ststus * Add cmake tests to travis * Add initial AsyncUDP * Add NetBIOS lib and fix CMake includes * Add Initial WebServer * Fix WebServer and examples * travis not quiting on build fail * Try different travis build * Update IDF to aaf1239 * Fix WPS Example * fix script permission and add some fail tests to sketch builder * Add missing space in WiFiClient::write(Stream &stream)
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// Forces to not inline function
#define NOINLINE_ATTR __attribute__((noinline))
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#endif /* __ESP_ATTR_H__ */