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mcpwm: update compare value on both tep and tez

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Closes https://github.com/espressif/esp-idf/issues/9904
This commit is contained in:
morris 2022-10-17 14:42:14 +08:00
parent dbf8cd5b43
commit e2cac5bf58
2 changed files with 4 additions and 0 deletions
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2
components/driver/deprecated/driver/mcpwm.h
View File

@ -72,6 +72,7 @@ esp_err_t mcpwm_init( mcpwm_unit_t mcpwm_num, mcpwm_timer_t timer_num, const mcp
* This will override default resolution of group(=10,000,000).
* This WILL NOT automatically update frequency and duty. Call mcpwm_set_frequency() and mcpwm_set_duty() manually
* to set them back.
* The group resolution must be an integral multiple of timer resolution.
*
* @param mcpwm_num set MCPWM unit(0-1)
* @param resolution set expected frequency resolution
@ -88,6 +89,7 @@ esp_err_t mcpwm_group_set_resolution(mcpwm_unit_t mcpwm_num, unsigned long int r
* This WILL override default resolution of timer(=1,000,000).
* This WILL NOT automatically update frequency and duty. Call mcpwm_set_frequency() and mcpwm_set_duty() manually
* to set them back.
* The group resolution must be an integral multiple of timer resolution.
*
* @param mcpwm_num set MCPWM unit(0-1)
* @param timer_num set timer number(0-2) of MCPWM, each MCPWM unit has 3 timers

2
components/driver/deprecated/mcpwm_legacy.c
View File

@ -284,6 +284,7 @@ esp_err_t mcpwm_set_duty(mcpwm_unit_t mcpwm_num, mcpwm_timer_t timer_num, mcpwm_
uint32_t set_duty = mcpwm_ll_timer_get_peak(hal->dev, timer_num, false) * duty / 100;
mcpwm_ll_operator_set_compare_value(hal->dev, op, cmp, set_duty);
mcpwm_ll_operator_enable_update_compare_on_tez(hal->dev, op, cmp, true);
mcpwm_ll_operator_enable_update_compare_on_tep(hal->dev, op, cmp, true);
mcpwm_critical_exit(mcpwm_num);
return ESP_OK;
}
@ -305,6 +306,7 @@ esp_err_t mcpwm_set_duty_in_us(mcpwm_unit_t mcpwm_num, mcpwm_timer_t timer_num,
uint64_t compare_val = real_timer_clk_hz * duty_in_us / 1000000;
mcpwm_ll_operator_set_compare_value(hal->dev, op, cmp, (uint32_t)compare_val);
mcpwm_ll_operator_enable_update_compare_on_tez(hal->dev, op, cmp, true);
mcpwm_ll_operator_enable_update_compare_on_tep(hal->dev, op, cmp, true);
mcpwm_critical_exit(mcpwm_num);
return ESP_OK;
}