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feat(mcpwm): default clock source setting can leave empty

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This commit is contained in:
morris 2023-08-23 10:27:27 +08:00
parent 3d8744476b
commit 842f5385a3
2 changed files with 5 additions and 3 deletions
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5
components/driver/mcpwm/mcpwm_cap.c
View File

@ -96,13 +96,14 @@ esp_err_t mcpwm_new_capture_timer(const mcpwm_capture_timer_config_t *config, mc
mcpwm_group_t *group = cap_timer->group;
int group_id = group->group_id;
mcpwm_capture_clock_source_t clk_src = config->clk_src ? config->clk_src : MCPWM_CAPTURE_CLK_SRC_DEFAULT;
#if SOC_MCPWM_CAPTURE_CLK_FROM_GROUP
// capture timer clock source is same as the MCPWM group
ESP_GOTO_ON_ERROR(mcpwm_select_periph_clock(group, (soc_module_clk_t)config->clk_src), err, TAG, "set group clock failed");
ESP_GOTO_ON_ERROR(mcpwm_select_periph_clock(group, (soc_module_clk_t)clk_src), err, TAG, "set group clock failed");
cap_timer->resolution_hz = group->resolution_hz;
#else
// capture timer has independent clock source selection
switch (config->clk_src) {
switch (clk_src) {
case MCPWM_CAPTURE_CLK_SRC_APB:
cap_timer->resolution_hz = esp_clk_apb_freq();
#if CONFIG_PM_ENABLE

3
components/driver/mcpwm/mcpwm_timer.c
View File

@ -101,7 +101,8 @@ esp_err_t mcpwm_new_timer(const mcpwm_timer_config_t *config, mcpwm_timer_handle
mcpwm_hal_context_t *hal = &group->hal;
int timer_id = timer->timer_id;
// select the clock source
ESP_GOTO_ON_ERROR(mcpwm_select_periph_clock(group, (soc_module_clk_t)config->clk_src), err, TAG, "set group clock failed");
mcpwm_timer_clock_source_t clk_src = config->clk_src ? config->clk_src : MCPWM_TIMER_CLK_SRC_DEFAULT;
ESP_GOTO_ON_ERROR(mcpwm_select_periph_clock(group, (soc_module_clk_t)clk_src), err, TAG, "set group clock failed");
// reset the timer to a determined state
mcpwm_hal_timer_reset(hal, timer_id);
// set timer resolution