kopia lustrzana https://github.com/espressif/esp-idf
fix(ledc): fix ledc_get_freq calculation err due to overflow
Closes https://github.com/espressif/esp-idf/pull/14882master
rodzic
1e3dbeb6a8
commit
83c244ecad
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@ -1117,7 +1117,7 @@ uint32_t ledc_get_freq(ledc_mode_t speed_mode, ledc_timer_t timer_num)
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ledc_hal_get_clock_divider(&(p_ledc_obj[speed_mode]->ledc_hal), timer_num, &clock_divider);
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ledc_hal_get_duty_resolution(&(p_ledc_obj[speed_mode]->ledc_hal), timer_num, &duty_resolution);
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ledc_hal_get_clk_cfg(&(p_ledc_obj[speed_mode]->ledc_hal), timer_num, &clk_cfg);
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uint32_t precision = (0x1 << duty_resolution);
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uint64_t precision = (0x1 << duty_resolution);
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uint32_t src_clk_freq = 0;
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esp_clk_tree_src_get_freq_hz((soc_module_clk_t)clk_cfg, LEDC_CLK_SRC_FREQ_PRECISION, &src_clk_freq);
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portEXIT_CRITICAL(&ledc_spinlock);
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