ESP-IDF + 0/5 examples

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SourceVuESP-IDF Framework and ExamplesESP-IDFmcpwm_new_timer()

mcpwm_new_timer() function

Create MCPWM timer

Syntax

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Summary

Declaration

Definition

from mcpwm_timer.h:61

esp_err_t mcpwm_new_timer(const mcpwm_timer_config_t *config, mcpwm_timer_handle_t *ret_timer);

Implemented in mcpwm_timer.c:84

Arguments

Argument

Description

config

MCPWM timer configuration

ret_timer

Returned MCPWM timer handle

Return value

- ESP_OK: Create MCPWM timer successfully - ESP_ERR_INVALID_ARG: Create MCPWM timer failed because of invalid argument - ESP_ERR_NO_MEM: Create MCPWM timer failed because out of memory - ESP_ERR_NOT_FOUND: Create MCPWM timer failed because all hardware timers are used up and no more free one - ESP_FAIL: Create MCPWM timer failed because of other error

Examples

mcpwm_new_timer() is referenced by 5 libraries and example projects:

mcpwm_bdc_speed_control sample

mcpwm_bldc_hall_control sample

mcpwm_foc_svpwm_open_loop sample

mcpwm_servo_control sample

mcpwm_sync sample

References

from 0/5 examples

Code

Location

esp_err_t mcpwm_new_timer(const mcpwm_timer_config_t *config, mcpwm_timer_handle_t *ret_timer)

mcpwm_timer.c:84

esp_err_t mcpwm_new_timer(const mcpwm_timer_config_t *config, mcpwm_timer_handle_t *ret_timer);

mcpwm_timer.h:61

Call Tree

from 0/5 examples

mcpwm_new_timer() calls 14 functions:

mcpwm_new_timer()

esp_log_timestamp()

esp_log_write()

heap_caps_calloc()

mcpwm_ll_timer_set_clock_prescale()

mcpwm_ll_timer_set_peak()

mcpwm_ll_timer_enable_update_period_on_tez()

mcpwm_ll_timer_enable_update_period_on_sync()

mcpwm_ll_timer_set_count_mode()

mcpwm_hal_timer_reset()

mcpwm_check_intr_priority()

mcpwm_select_periph_clock()

mcpwm_set_prescale()

mcpwm_timer_register_to_group()

mcpwm_timer_destroy()

Data Use

from 0/5 examples

mcpwm_new_timer() reads 27 variables and writes 5 variables:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

soc_periph_mcpwm_timer_clk_src_t::MCPWM_TIMER_CLK_SRC_DEFAULT

mcpwm_hal_context_t::dev

mcpwm_timer_count_mode_t::MCPWM_TIMER_COUNT_MODE_UP_DOWN

mcpwm_group_t::group_id

mcpwm_group_t::resolution_hz

mcpwm_timer_fsm_t::MCPWM_TIMER_FSM_INIT

mcpwm_timer_t::timer_id

mcpwm_timer_t::group

mcpwm_timer_t::resolution_hz

mcpwm_timer_t::peak_ticks

mcpwm_timer_t::count_mode

mcpwm_timer_config_t::group_id

mcpwm_timer_config_t::clk_src

mcpwm_timer_config_t::resolution_hz

mcpwm_timer_config_t::count_mode

mcpwm_timer_config_t::period_ticks

mcpwm_timer_config_t::intr_priority

mcpwm_timer_config_t::::update_period_on_empty

mcpwm_timer_config_t::::update_period_on_sync

mcpwm_timer_config_t::::allow_pd

mcpwm_timer_config_t::flags

mcpwm_new_timer()

mcpwm_timer_t::fsm

mcpwm_timer_t::spinlock

mcpwm_timer_t::resolution_hz

mcpwm_timer_t::peak_ticks

mcpwm_timer_t::count_mode

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Implementations

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Instances

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Lifecycle

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