esp-idf/components/esp32/include/rom/ets_sys.h

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// Copyright 2010-2016 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 _ROM_ETS_SYS_H_
#define _ROM_ETS_SYS_H_
#include <stdint.h>
#include <stdbool.h>
#include "soc/soc.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \defgroup ets_sys_apis, ets system related apis
* @brief ets system apis
*/
/** @addtogroup ets_sys_apis
* @{
*/
/************************************************************************
* NOTE
* Many functions in this header files can't be run in FreeRTOS.
* Please see the comment of the Functions.
* There are also some functions that doesn't work on FreeRTOS
* without listed in the header, such as:
* xtos functions start with "_xtos_" in ld file.
*
***********************************************************************
*/
/** \defgroup ets_apis, Espressif Task Scheduler related apis
* @brief ets apis
*/
/** @addtogroup ets_apis
* @{
*/
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typedef enum {
ETS_OK = 0, /**< return successful in ets*/
ETS_FAILED = 1 /**< return failed in ets*/
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} ETS_STATUS;
typedef uint32_t ETSSignal;
typedef uint32_t ETSParam;
typedef struct ETSEventTag ETSEvent; /**< Event transmit/receive in ets*/
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struct ETSEventTag {
ETSSignal sig; /**< Event signal, in same task, different Event with different signal*/
ETSParam par; /**< Event parameter, sometimes without usage, then will be set as 0*/
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};
typedef void (*ETSTask)(ETSEvent *e); /**< Type of the Task processer*/
typedef void (* ets_idle_cb_t)(void *arg); /**< Type of the system idle callback*/
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/**
* @brief Start the Espressif Task Scheduler, which is an infinit loop. Please do not add code after it.
*
* @param none
*
* @return none
*/
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void ets_run(void);
/**
* @brief Set the Idle callback, when Tasks are processed, will call the callback before CPU goto sleep.
*
* @param ets_idle_cb_t func : The callback function.
*
* @param void *arg : Argument of the callback.
*
* @return None
*/
void ets_set_idle_cb(ets_idle_cb_t func, void *arg);
/**
* @brief Init a task with processer, priority, queue to receive Event, queue length.
*
* @param ETSTask task : The task processer.
*
* @param uint8_t prio : Task priority, 0-31, bigger num with high priority, one priority with one task.
*
* @param ETSEvent *queue : Queue belongs to the task, task always receives Events, Queue is circular used.
*
* @param uint8_t qlen : Queue length.
*
* @return None
*/
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void ets_task(ETSTask task, uint8_t prio, ETSEvent *queue, uint8_t qlen);
/**
* @brief Post an event to an Task.
*
* @param uint8_t prio : Priority of the Task.
*
* @param ETSSignal sig : Event signal.
*
* @param ETSParam par : Event parameter
*
* @return ETS_OK : post successful
* @return ETS_FAILED : post failed
*/
ETS_STATUS ets_post(uint8_t prio, ETSSignal sig, ETSParam par);
/**
* @}
*/
/** \defgroup ets_boot_apis, Boot routing related apis
* @brief ets boot apis
*/
/** @addtogroup ets_apis
* @{
*/
extern const char *const exc_cause_table[40]; ///**< excption cause that defined by the core.*/
/**
* @brief Set Pro cpu Entry code, code can be called in PRO CPU when booting is not completed.
* When Pro CPU booting is completed, Pro CPU will call the Entry code if not NULL.
*
* @param uint32_t start : the PRO Entry code address value in uint32_t
*
* @return None
*/
void ets_set_user_start(uint32_t start);
/**
* @brief Set Pro cpu Startup code, code can be called when booting is not completed, or in Entry code.
* When Entry code completed, CPU will call the Startup code if not NULL, else call ets_run.
*
* @param uint32_t callback : the Startup code address value in uint32_t
*
* @return None : post successful
*/
void ets_set_startup_callback(uint32_t callback);
/**
* @brief Set App cpu Entry code, code can be called in PRO CPU.
* When APP booting is completed, APP CPU will call the Entry code if not NULL.
*
* @param uint32_t start : the APP Entry code address value in uint32_t, stored in register APPCPU_CTRL_REG_D.
*
* @return None
*/
void ets_set_appcpu_boot_addr(uint32_t start);
/**
* @brief unpack the image in flash to iram and dram, no using cache.
*
* @param uint32_t pos : Flash physical address.
*
* @param uint32_t *entry_addr: the pointer of an variable that can store Entry code address.
*
* @param bool jump : Jump into the code in the function or not.
*
* @param bool config : Config the flash when unpacking the image, config should be done only once.
*
* @return ETS_OK : unpack successful
* @return ETS_FAILED : unpack failed
*/
ETS_STATUS ets_unpack_flash_code_legacy(uint32_t pos, uint32_t *entry_addr, bool jump, bool config);
/**
* @brief unpack the image in flash to iram and dram, using cache, maybe decrypting.
*
* @param uint32_t pos : Flash physical address.
*
* @param uint32_t *entry_addr: the pointer of an variable that can store Entry code address.
*
* @param bool jump : Jump into the code in the function or not.
*
* @param bool sb_need_check : Do security boot check or not.
*
* @param bool config : Config the flash when unpacking the image, config should be done only once.
*
* @return ETS_OK : unpack successful
* @return ETS_FAILED : unpack failed
*/
ETS_STATUS ets_unpack_flash_code(uint32_t pos, uint32_t *entry_addr, bool jump, bool sb_need_check, bool config);
/**
* @}
*/
/** \defgroup ets_printf_apis, ets_printf related apis used in ets
* @brief ets printf apis
*/
/** @addtogroup ets_printf_apis
* @{
*/
/**
* @brief Printf the strings to uart or other devices, similar with printf, simple than printf.
* Can not print float point data format, or longlong data format.
* So we maybe only use this in ROM.
*
* @param const char *fmt : See printf.
*
* @param ... : See printf.
*
* @return int : the length printed to the output device.
*/
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int ets_printf(const char *fmt, ...);
/**
* @brief Output a char to uart, which uart to output(which is in uart module in ROM) is not in scope of the function.
* Can not print float point data format, or longlong data format
*
* @param char c : char to output.
*
* @return None
*/
void ets_write_char_uart(char c);
/**
* @brief Ets_printf have two output functions putc1 and putc2, both of which will be called if need ouput.
* To install putc1, which is defaulted installed as ets_write_char_uart in none silent boot mode, as NULL in silent mode.
*
* @param void (*)(char) p: Output function to install.
*
* @return None
*/
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void ets_install_putc1(void (*p)(char c));
/**
* @brief Ets_printf have two output functions putc1 and putc2, both of which will be called if need ouput.
* To install putc2, which is defaulted installed as NULL.
*
* @param void (*)(char) p: Output function to install.
*
* @return None
*/
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void ets_install_putc2(void (*p)(char c));
/**
* @brief Install putc1 as ets_write_char_uart.
* In silent boot mode(to void interfere the UART attached MCU), we can call this function, after booting ok.
*
* @param None
*
* @return None
*/
void ets_install_uart_printf(void);
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#define ETS_PRINTF(...) ets_printf(...)
#define ETS_ASSERT(v) do { \
if (!(v)) { \
ets_printf("%s %u \n", __FILE__, __LINE__); \
while (1) {}; \
} \
} while (0);
/**
* @}
*/
/** \defgroup ets_timer_apis, ets_timer related apis used in ets
* @brief ets timer apis
*/
/** @addtogroup ets_timer_apis
* @{
*/
typedef void ETSTimerFunc(void *timer_arg);/**< timer handler*/
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typedef struct _ETSTIMER_ {
struct _ETSTIMER_ *timer_next; /**< timer linker*/
uint32_t timer_expire; /**< abstruct time when timer expire*/
uint32_t timer_period; /**< timer period, 0 means timer is not periodic repeated*/
ETSTimerFunc *timer_func; /**< timer handler*/
void *timer_arg; /**< timer handler argument*/
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} ETSTimer;
/**
* @brief Init ets timer, this timer range is 640 us to 429496 ms
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param None
*
* @return None
*/
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void ets_timer_init(void);
/**
* @brief In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param None
*
* @return None
*/
void ets_timer_deinit(void);
/**
* @brief Arm an ets timer, this timer range is 640 us to 429496 ms.
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param ETSTimer *timer : Timer struct pointer.
*
* @param uint32_t tmout : Timer value in ms, range is 1 to 429496.
*
* @param bool repeat : Timer is periodic repeated.
*
* @return None
*/
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void ets_timer_arm(ETSTimer *timer, uint32_t tmout, bool repeat);
/**
* @brief Arm an ets timer, this timer range is 640 us to 429496 ms.
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param ETSTimer *timer : Timer struct pointer.
*
* @param uint32_t tmout : Timer value in us, range is 1 to 429496729.
*
* @param bool repeat : Timer is periodic repeated.
*
* @return None
*/
void ets_timer_arm_us(ETSTimer *ptimer, uint32_t us, bool repeat);
/**
* @brief Disarm an ets timer.
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param ETSTimer *timer : Timer struct pointer.
*
* @return None
*/
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void ets_timer_disarm(ETSTimer *timer);
/**
* @brief Set timer callback and argument.
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param ETSTimer *timer : Timer struct pointer.
*
* @param ETSTimerFunc *pfunction : Timer callback.
*
* @param void *parg : Timer callback argument.
*
* @return None
*/
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void ets_timer_setfn(ETSTimer *ptimer, ETSTimerFunc *pfunction, void *parg);
/**
* @brief Unset timer callback and argument to NULL.
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param ETSTimer *timer : Timer struct pointer.
*
* @return None
*/
void ets_timer_done(ETSTimer *ptimer);
/**
* @brief CPU do while loop for some time.
* In FreeRTOS task, please call FreeRTOS apis.
*
* @param uint32_t us : Delay time in us.
*
* @return None
*/
void ets_delay_us(uint32_t us);
/**
* @brief Set the real CPU ticks per us to the ets, so that ets_delay_us will be accurate.
* Call this function when CPU frequency is changed.
*
* @param uint32_t ticks_per_us : CPU ticks per us.
*
* @return None
*/
void ets_update_cpu_frequency(uint32_t ticks_per_us);
/**
* @brief Set the real CPU ticks per us to the ets, so that ets_delay_us will be accurate.
*
* @note This function only sets the tick rate for the current CPU. It is located in ROM,
* so the deep sleep stub can use it even if IRAM is not initialized yet.
*
* @param uint32_t ticks_per_us : CPU ticks per us.
*
* @return None
*/
void ets_update_cpu_frequency_rom(uint32_t ticks_per_us);
/**
* @brief Get the real CPU ticks per us to the ets.
* This function do not return real CPU ticks per us, just the record in ets. It can be used to check with the real CPU frequency.
*
* @param None
*
* @return uint32_t : CPU ticks per us record in ets.
*/
uint32_t ets_get_cpu_frequency(void);
/**
* @brief Get xtal_freq/analog_8M*256 value calibrated in rtc module.
*
* @param None
*
* @return uint32_t : xtal_freq/analog_8M*256.
*/
uint32_t ets_get_xtal_scale(void);
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/**
* @brief Get xtal_freq value, If value not stored in RTC_STORE5, than store.
*
* @param None
*
* @return uint32_t : if rtc store the value (RTC_STORE5 high 16 bits and low 16 bits with same value), read from rtc register.
* clock = (REG_READ(RTC_STORE5) & 0xffff) << 12;
* else if analog_8M in efuse
* clock = ets_get_xtal_scale() * 15625 * ets_efuse_get_8M_clock() / 40;
* else clock = 26M.
*/
uint32_t ets_get_detected_xtal_freq(void);
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/**
* @}
*/
/** \defgroup ets_intr_apis, ets interrupt configure related apis
* @brief ets intr apis
*/
/** @addtogroup ets_intr_apis
* @{
*/
typedef void (* ets_isr_t)(void *);/**< interrupt handler type*/
/**
* @brief Attach a interrupt handler to a CPU interrupt number.
* This function equals to _xtos_set_interrupt_handler_arg(i, func, arg).
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param int i : CPU interrupt number.
*
* @param ets_isr_t func : Interrupt handler.
*
* @param void *arg : argument of the handler.
*
* @return None
*/
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void ets_isr_attach(int i, ets_isr_t func, void *arg);
/**
* @brief Mask the interrupts which show in mask bits.
* This function equals to _xtos_ints_off(mask).
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param uint32_t mask : BIT(i) means mask CPU interrupt number i.
*
* @return None
*/
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void ets_isr_mask(uint32_t mask);
/**
* @brief Unmask the interrupts which show in mask bits.
* This function equals to _xtos_ints_on(mask).
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param uint32_t mask : BIT(i) means mask CPU interrupt number i.
*
* @return None
*/
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void ets_isr_unmask(uint32_t unmask);
/**
* @brief Lock the interrupt to level 2.
* This function direct set the CPU registers.
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param None
*
* @return None
*/
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void ets_intr_lock(void);
/**
* @brief Unlock the interrupt to level 0.
* This function direct set the CPU registers.
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param None
*
* @return None
*/
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void ets_intr_unlock(void);
/**
* @brief Unlock the interrupt to level 0, and CPU will go into power save mode(wait interrupt).
* This function direct set the CPU registers.
* In FreeRTOS, please call FreeRTOS apis, never call this api.
*
* @param None
*
* @return None
*/
void ets_waiti0(void);
/**
* @brief Attach an CPU interrupt to a hardware source.
* We have 4 steps to use an interrupt:
* 1.Attach hardware interrupt source to CPU. intr_matrix_set(0, ETS_WIFI_MAC_INTR_SOURCE, ETS_WMAC_INUM);
* 2.Set interrupt handler. xt_set_interrupt_handler(ETS_WMAC_INUM, func, NULL);
* 3.Enable interrupt for CPU. xt_ints_on(1 << ETS_WMAC_INUM);
* 4.Enable interrupt in the module.
*
* @param int cpu_no : The CPU which the interrupt number belongs.
*
* @param uint32_t model_num : The interrupt hardware source number, please see the interrupt hardware source table.
*
* @param uint32_t intr_num : The interrupt number CPU, please see the interrupt cpu using table.
*
* @return None
*/
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void intr_matrix_set(int cpu_no, uint32_t model_num, uint32_t intr_num);
#define _ETSTR(v) # v
#define _ETS_SET_INTLEVEL(intlevel) ({ unsigned __tmp; \
__asm__ __volatile__( "rsil %0, " _ETSTR(intlevel) "\n" \
: "=a" (__tmp) : : "memory" ); \
})
#ifdef CONFIG_NONE_OS
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#define ETS_INTR_LOCK() \
ets_intr_lock()
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#define ETS_INTR_UNLOCK() \
ets_intr_unlock()
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#define ETS_ISR_ATTACH \
ets_isr_attach
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#define ETS_INTR_ENABLE(inum) \
ets_isr_unmask((1<<inum))
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#define ETS_INTR_DISABLE(inum) \
ets_isr_mask((1<<inum))
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#define ETS_WMAC_INTR_ATTACH(func, arg) \
ETS_ISR_ATTACH(ETS_WMAC_INUM, (func), (void *)(arg))
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#define ETS_TG0_T0_INTR_ATTACH(func, arg) \
ETS_ISR_ATTACH(ETS_TG0_T0_INUM, (func), (void *)(arg))
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#define ETS_GPIO_INTR_ATTACH(func, arg) \
ETS_ISR_ATTACH(ETS_GPIO_INUM, (func), (void *)(arg))
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#define ETS_UART0_INTR_ATTACH(func, arg) \
ETS_ISR_ATTACH(ETS_UART0_INUM, (func), (void *)(arg))
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#define ETS_WDT_INTR_ATTACH(func, arg) \
ETS_ISR_ATTACH(ETS_WDT_INUM, (func), (void *)(arg))
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#define ETS_SLC_INTR_ATTACH(func, arg) \
ETS_ISR_ATTACH(ETS_SLC_INUM, (func), (void *)(arg))
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#define ETS_BB_INTR_ENABLE() \
ETS_INTR_ENABLE(ETS_BB_INUM)
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#define ETS_BB_INTR_DISABLE() \
ETS_INTR_DISABLE(ETS_BB_INUM)
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#define ETS_UART0_INTR_ENABLE() \
ETS_INTR_ENABLE(ETS_UART0_INUM)
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#define ETS_UART0_INTR_DISABLE() \
ETS_INTR_DISABLE(ETS_UART0_INUM)
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#define ETS_GPIO_INTR_ENABLE() \
ETS_INTR_ENABLE(ETS_GPIO_INUM)
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#define ETS_GPIO_INTR_DISABLE() \
ETS_INTR_DISABLE(ETS_GPIO_INUM)
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#define ETS_WDT_INTR_ENABLE() \
ETS_INTR_ENABLE(ETS_WDT_INUM)
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#define ETS_WDT_INTR_DISABLE() \
ETS_INTR_DISABLE(ETS_WDT_INUM)
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#define ETS_TG0_T0_INTR_ENABLE() \
ETS_INTR_ENABLE(ETS_TG0_T0_INUM)
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#define ETS_TG0_T0_INTR_DISABLE() \
ETS_INTR_DISABLE(ETS_TG0_T0_INUM)
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#define ETS_SLC_INTR_ENABLE() \
ETS_INTR_ENABLE(ETS_SLC_INUM)
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#define ETS_SLC_INTR_DISABLE() \
ETS_INTR_DISABLE(ETS_SLC_INUM)
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#endif
/**
* @}
*/
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#ifndef MAC2STR
#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
#endif
#define ETS_MEM_BAR() asm volatile ( "" : : : "memory" )
typedef enum {
OK = 0,
FAIL,
PENDING,
BUSY,
CANCEL,
} STATUS;
/**
* @}
*/
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#ifdef __cplusplus
}
#endif
#endif /* _ROM_ETS_SYS_H_ */