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Merge branch 'bugfix/ledc_get_freq_calc_v5.2' into 'release/v5.2'

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fix(ledc): fix ledc_get_freq calculation err due to overflow (v5.2)

See merge request espressif/esp-idf!36021
This commit is contained in:
morris
2025-01-02 15:13:29 +08:00
parent 866a02f258 7ec010c1ae
commit 8af4285c24
3 changed files with 5 additions and 5 deletions
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components/driver/ledc/ledc.c
+1 -1
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@@ -864,7 +864,7 @@ uint32_t ledc_get_freq(ledc_mode_t speed_mode, ledc_timer_t timer_num)
ledc_hal_get_clock_divider(&(p_ledc_obj[speed_mode]->ledc_hal), timer_num, &clock_divider);
ledc_hal_get_duty_resolution(&(p_ledc_obj[speed_mode]->ledc_hal), timer_num, &duty_resolution);
ledc_hal_get_clk_cfg(&(p_ledc_obj[speed_mode]->ledc_hal), timer_num, &clk_cfg);
uint32_t precision = (0x1 << duty_resolution);
uint64_t precision = (0x1 << duty_resolution);
uint32_t src_clk_freq = 0;
esp_clk_tree_src_get_freq_hz((soc_module_clk_t)clk_cfg, LEDC_CLK_SRC_FREQ_PRECISION, &src_clk_freq);
portEXIT_CRITICAL(&ledc_spinlock);