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feat(ana_cmpr): supported analog comparator on esp32p4

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This commit is contained in:
laokaiyao
2023-09-25 19:57:34 +08:00
parent b953afe030
commit a989ce4ab1
18 changed files with 377 additions and 66 deletions
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components/driver/analog_comparator/ana_cmpr.c
+20 -6
View File
@@ -35,6 +35,7 @@ struct ana_cmpr_t {
bool is_enabled; /*!< Whether the Analog comparator unit is enabled */
ana_cmpr_event_callbacks_t cbs; /*!< The callback group that set by user */
intr_handle_t intr_handle; /*!< Interrupt handle */
uint32_t intr_mask; /*!< Interrupt mask */
void *user_data; /*!< User data that passed to the callbacks */
uint32_t src_clk_freq_hz; /*!< Source clock frequency of the Analog Comparator unit */
esp_pm_lock_handle_t pm_lock; /*!< The Power Management lock that used to avoid unexpected power down of the clock domain */
@@ -76,7 +77,14 @@ static void IRAM_ATTR s_ana_cmpr_default_intr_handler(void *usr_data)
analog_cmpr_ll_clear_intr(cmpr_handle->dev, status);
/* Call the user callback function if it is specified and the corresponding event triggers*/
if (cmpr_handle->cbs.on_cross && (status & ANALOG_CMPR_LL_EVENT_CROSS)) {
if (cmpr_handle->cbs.on_cross && (status & cmpr_handle->intr_mask)) {
#if SOC_ANA_CMPR_SUPPORT_MULTI_INTR
if (status & ANALOG_CMPR_LL_POS_CROSS_MASK(cmpr_handle->unit)) {
evt_data.cross_type = ANA_CMPR_CROSS_POS;
} else if (status & ANALOG_CMPR_LL_NEG_CROSS_MASK(cmpr_handle->unit)) {
evt_data.cross_type = ANA_CMPR_CROSS_NEG;
}
#endif // SOC_ANA_CMPR_SUPPORT_MULTI_INTR
need_yield = cmpr_handle->cbs.on_cross(cmpr_handle, &evt_data, cmpr_handle->user_data);
}
if (need_yield) {
@@ -102,7 +110,7 @@ esp_err_t ana_cmpr_new_unit(const ana_cmpr_config_t *config, ana_cmpr_handle_t *
ESP_RETURN_ON_FALSE(s_ana_cmpr[unit], ESP_ERR_NO_MEM, TAG, "no memory for analog comparator struct");
/* Assign analog comparator unit */
s_ana_cmpr[unit]->dev = ANALOG_CMPR_LL_GET_HW();
s_ana_cmpr[unit]->dev = ANALOG_CMPR_LL_GET_HW(unit);
s_ana_cmpr[unit]->ref_src = config->ref_src;
s_ana_cmpr[unit]->is_enabled = false;
s_ana_cmpr[unit]->pm_lock = NULL;
@@ -126,12 +134,15 @@ esp_err_t ana_cmpr_new_unit(const ana_cmpr_config_t *config, ana_cmpr_handle_t *
/* Configure the register */
portENTER_CRITICAL(&s_spinlock);
analog_cmpr_ll_set_ref_source(s_ana_cmpr[unit]->dev, config->ref_src);
#if !SOC_ANA_CMPR_SUPPORT_MULTI_INTR
analog_cmpr_ll_set_cross_type(s_ana_cmpr[unit]->dev, config->cross_type);
#endif // SOC_ANA_CMPR_SUPPORT_MULTI_INTR
portEXIT_CRITICAL(&s_spinlock);
/* Allocate the interrupt, currently the interrupt source of Analog Comparator is shared with GPIO interrupt source */
ESP_GOTO_ON_ERROR(esp_intr_alloc_intrstatus(ETS_GPIO_INTR_SOURCE, ANA_CMPR_INTR_FLAG, (uint32_t)analog_cmpr_ll_get_intr_status_reg(s_ana_cmpr[unit]->dev),
ANALOG_CMPR_LL_EVENT_CROSS, s_ana_cmpr_default_intr_handler, s_ana_cmpr[unit], &s_ana_cmpr[unit]->intr_handle),
s_ana_cmpr[unit]->intr_mask = analog_cmpr_ll_get_intr_mask_by_type(s_ana_cmpr[unit]->dev, config->cross_type);
ESP_GOTO_ON_ERROR(esp_intr_alloc_intrstatus(ana_cmpr_io_map[unit].intr_src, ANA_CMPR_INTR_FLAG, (uint32_t)analog_cmpr_ll_get_intr_status_reg(s_ana_cmpr[unit]->dev),
s_ana_cmpr[unit]->intr_mask, s_ana_cmpr_default_intr_handler, s_ana_cmpr[unit], &s_ana_cmpr[unit]->intr_handle),
err, TAG, "allocate interrupt failed");
if (config->ref_src == ANA_CMPR_REF_SRC_INTERNAL) {
@@ -224,7 +235,10 @@ esp_err_t ana_cmpr_set_cross_type(ana_cmpr_handle_t cmpr, ana_cmpr_cross_type_t
ESP_ERR_INVALID_ARG, TAG, "invalid cross type");
portENTER_CRITICAL_SAFE(&s_spinlock);
#if !SOC_ANA_CMPR_SUPPORT_MULTI_INTR
analog_cmpr_ll_set_cross_type(cmpr->dev, cross_type);
#endif
cmpr->intr_mask = analog_cmpr_ll_get_intr_mask_by_type(cmpr->dev, cross_type);
portEXIT_CRITICAL_SAFE(&s_spinlock);
ESP_EARLY_LOGD(TAG, "unit %d cross type updated to %d", (int)cmpr->unit, cross_type);
@@ -273,7 +287,7 @@ esp_err_t ana_cmpr_enable(ana_cmpr_handle_t cmpr)
/* Enable the Analog Comparator */
portENTER_CRITICAL(&s_spinlock);
analog_cmpr_ll_enable_intr(cmpr->dev, ANALOG_CMPR_LL_EVENT_CROSS, !!(cmpr->cbs.on_cross));
analog_cmpr_ll_enable_intr(cmpr->dev, cmpr->intr_mask, true);
analog_cmpr_ll_enable(cmpr->dev, true);
portEXIT_CRITICAL(&s_spinlock);
@@ -289,7 +303,7 @@ esp_err_t ana_cmpr_disable(ana_cmpr_handle_t cmpr)
"the analog comparator not enabled yet");
/* Disable the Analog Comparator */
portENTER_CRITICAL(&s_spinlock);
analog_cmpr_ll_enable_intr(cmpr->dev, ANALOG_CMPR_LL_EVENT_CROSS, false);
analog_cmpr_ll_enable_intr(cmpr->dev, cmpr->intr_mask, false);
analog_cmpr_ll_enable(cmpr->dev, false);
portEXIT_CRITICAL(&s_spinlock);
components/driver/analog_comparator/include/driver/ana_cmpr_types.h
+4 -1
View File
@@ -90,7 +90,10 @@ typedef int ana_cmpr_clk_src_t;
*
*/
typedef struct {
// No data for now
#if SOC_ANA_CMPR_SUPPORT_MULTI_INTR
ana_cmpr_cross_type_t cross_type; /*!< The cross type of the target signal to the reference signal.
* Will either be ANA_CMPR_CROSS_POS or ANA_CMPR_CROSS_NEG */
#endif
} ana_cmpr_cross_event_data_t;
/**