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Merge branch 'contrib/github_pr_11810_v5.0' into 'release/v5.0'

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ledc.c: Fix frequency calculation. (GitHub PR) (v5.0)

See merge request espressif/esp-idf!24698
This commit is contained in:
morris 2023-07-25 16:15:05 +08:00
commit c36f5fb77a
2 changed files with 2 additions and 2 deletions
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2
components/driver/ledc.c
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@ -840,7 +840,7 @@ uint32_t ledc_get_freq(ledc_mode_t speed_mode, ledc_timer_t timer_num)
ESP_LOGW(LEDC_TAG, "LEDC timer not configured, call ledc_timer_config to set timer frequency");
return 0;
}
return ((uint64_t) src_clk_freq << 8) / precision / clock_divider;
return (((uint64_t) src_clk_freq << LEDC_LL_FRACTIONAL_BITS) + (uint64_t) precision * clock_divider / 2) / precision / clock_divider;
}
static inline void ledc_calc_fade_end_channel(uint32_t *fade_end_status, uint32_t *channel)

2
components/driver/test/test_ledc.c
View File

@ -478,7 +478,7 @@ static void timer_frequency_test(ledc_channel_t channel, ledc_timer_bit_t timer_
TEST_ESP_OK(ledc_timer_config(&ledc_time_config));
frequency_set_get(ledc_ch_config.speed_mode, ledc_ch_config.timer_sel, 100, 100, 20);
frequency_set_get(ledc_ch_config.speed_mode, ledc_ch_config.timer_sel, 5000, 5000, 50);
frequency_set_get(ledc_ch_config.speed_mode, ledc_ch_config.timer_sel, 9000, 8992, 50);
frequency_set_get(ledc_ch_config.speed_mode, ledc_ch_config.timer_sel, 9000, 8993, 50);
}
TEST_CASE("LEDC set and get frequency", "[ledc][timeout=60][ignore]")