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fix(ledc): fix frequency calculation

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ledc.c: Fix frequency calculation.
Round int instead of truncate.

Merges https://github.com/espressif/esp-idf/pull/11810
This commit is contained in:
IhorNehrutsa
2023-07-10 11:45:09 +08:00
committed by Song Ruo Jing
parent 6f3e07d97b
commit 909d8b6db5
3 changed files with 3 additions and 3 deletions
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components/driver/ledc/ledc.c
+1 -1
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@@ -849,7 +849,7 @@ 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 << LEDC_LL_FRACTIONAL_BITS) / 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 IRAM_ATTR ledc_calc_fade_end_channel(uint32_t *fade_end_status, uint32_t *channel)