/* * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #ifndef _ROM_ETS_SYS_H_ #define _ROM_ETS_SYS_H_ #include #include #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 * @{ */ typedef enum { ETS_OK = 0, /**< return successful in ets*/ ETS_FAILED = 1 /**< return failed in ets*/ } ETS_STATUS; typedef ETS_STATUS ets_status_t; typedef uint32_t ETSSignal; typedef uint32_t ETSParam; typedef struct ETSEventTag ETSEvent; /**< Event transmit/receive in ets*/ 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*/ }; typedef void (*ETSTask)(ETSEvent *e); /**< Type of the Task processer*/ typedef void (* ets_idle_cb_t)(void *arg); /**< Type of the system idle callback*/ /** * @brief Start the Espressif Task Scheduler, which is an infinit loop. Please do not add code after it. * * @param none * * @return none */ 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 */ 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); void ets_set_appcpu_boot_addr(uint32_t start); /** * @} */ /** \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. */ int ets_printf(const char *fmt, ...); /** * @brief Get the uart channel of ets_printf(uart_tx_one_char). * * @return uint8_t uart channel used by ets_printf(uart_tx_one_char). */ uint8_t ets_get_printf_channel(void); /** * @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 */ 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 */ 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); #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*/ 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*/ } 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 */ 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 */ 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 */ 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 */ 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 value, If value not stored in RTC_STORE5, than store. * * @param None * * @return uint32_t : if stored in efuse(not 0) * clock = ets_efuse_get_xtal_freq() * 1000000; * else if analog_8M in efuse * clock = ets_get_xtal_scale() * 625 / 16 * ets_efuse_get_8M_clock(); * else clock = 40M. */ uint32_t ets_get_xtal_freq(void); /** * @brief Get the apb divior by xtal frequency. * When any types of reset happen, the default value is 2. * * @param None * * @return uint32_t : 1 or 2. */ uint32_t ets_get_xtal_div(void); /** * @brief Get apb_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 store ets_get_detected_xtal_freq() in. */ uint32_t ets_get_apb_freq(void); /** * @} */ /** \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 */ 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 */ 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 */ 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 */ 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 */ 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 */ void intr_matrix_set(int cpu_no, uint32_t model_num, uint32_t intr_num); /** * @} */ #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; /** * @} */ #ifdef __cplusplus } #endif #endif /* _ROM_ETS_SYS_H_ */