Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-10-01 18:50:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

feat(hal): graudate the PCNT hal driver into a new component

Browse Source
This commit is contained in:
Chen Jichang
2025-11-21 11:22:41 +08:00
committed by Chen Ji Chang
parent 8811f2ec07
commit c84773f307
44 changed files with 339 additions and 122 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/esp_driver_pcnt/src/pulse_cnt.c
+10 -10
View File
@@ -21,7 +21,7 @@
#include "esp_pm.h"
#include "esp_rom_gpio.h"
#include "soc/soc_caps.h"
#include "soc/pcnt_periph.h"
#include "hal/pcnt_periph.h"
#include "soc/gpio_pins.h"
#include "hal/pcnt_hal.h"
#include "hal/pcnt_ll.h"
@@ -75,8 +75,8 @@ typedef struct pcnt_chan_t pcnt_chan_t;
struct pcnt_platform_t {
_lock_t mutex; // platform level mutex lock
pcnt_group_t *groups[SOC_PCNT_ATTR(INST_NUM)]; // pcnt group pool
int group_ref_counts[SOC_PCNT_ATTR(INST_NUM)]; // reference count used to protect group install/uninstall
pcnt_group_t *groups[PCNT_LL_GET(INST_NUM)]; // pcnt group pool
int group_ref_counts[PCNT_LL_GET(INST_NUM)]; // reference count used to protect group install/uninstall
};
struct pcnt_group_t {
@@ -85,7 +85,7 @@ struct pcnt_group_t {
pcnt_clock_source_t clk_src; // PCNT clock source
portMUX_TYPE spinlock; // to protect per-group register level concurrent access
pcnt_hal_context_t hal;
pcnt_unit_t *units[SOC_PCNT_ATTR(UNITS_PER_INST)]; // array of PCNT units
pcnt_unit_t *units[PCNT_LL_GET(UNITS_PER_INST)]; // array of PCNT units
#if CONFIG_PM_ENABLE
esp_pm_lock_handle_t pm_lock; // power management lock
#endif
@@ -120,7 +120,7 @@ struct pcnt_unit_t {
int clear_signal_gpio_num; // which gpio clear signal input
int accum_value; // accumulated count value
pcnt_step_interval_t step_info; // step interval info
pcnt_chan_t *channels[SOC_PCNT_ATTR(CHANS_PER_UNIT)]; // array of PCNT channels
pcnt_chan_t *channels[PCNT_LL_GET(CHANS_PER_UNIT)]; // array of PCNT channels
pcnt_watch_point_t watchers[PCNT_LL_WATCH_EVENT_MAX]; // array of PCNT watchers
intr_handle_t intr; // interrupt handle
pcnt_unit_fsm_t fsm; // record PCNT unit's driver state
@@ -154,12 +154,12 @@ static esp_err_t pcnt_register_to_group(pcnt_unit_t *unit)
{
pcnt_group_t *group = NULL;
int unit_id = -1;
for (int i = 0; i < SOC_PCNT_ATTR(INST_NUM); i++) {
for (int i = 0; i < PCNT_LL_GET(INST_NUM); i++) {
group = pcnt_acquire_group_handle(i);
ESP_RETURN_ON_FALSE(group, ESP_ERR_NO_MEM, TAG, "no mem for group (%d)", i);
// loop to search free unit in the group
portENTER_CRITICAL(&group->spinlock);
for (int j = 0; j < SOC_PCNT_ATTR(UNITS_PER_INST); j++) {
for (int j = 0; j < PCNT_LL_GET(UNITS_PER_INST); j++) {
if (!group->units[j]) {
unit_id = j;
group->units[j] = unit;
@@ -324,7 +324,7 @@ esp_err_t pcnt_del_unit(pcnt_unit_handle_t unit)
int group_id = group->group_id;
int unit_id = unit->unit_id;
for (int i = 0; i < SOC_PCNT_ATTR(CHANS_PER_UNIT); i++) {
for (int i = 0; i < PCNT_LL_GET(CHANS_PER_UNIT); i++) {
ESP_RETURN_ON_FALSE(!unit->channels[i], ESP_ERR_INVALID_STATE, TAG, "channel %d still in working", i);
}
@@ -607,7 +607,7 @@ esp_err_t pcnt_unit_add_watch_point(pcnt_unit_handle_t unit, int watch_point)
}
// other threshold watch point
else {
int thres_num = SOC_PCNT_ATTR(THRES_POINT_PER_UNIT) - 1;
int thres_num = PCNT_LL_GET(THRES_POINT_PER_UNIT) - 1;
switch (thres_num) {
case 1:
if (unit->watchers[PCNT_LL_WATCH_EVENT_THRES1].event_id == PCNT_LL_WATCH_EVENT_INVALID) {
@@ -794,7 +794,7 @@ esp_err_t pcnt_new_channel(pcnt_unit_handle_t unit, const pcnt_chan_config_t *co
// search for a free channel
int channel_id = -1;
portENTER_CRITICAL(&unit->spinlock);
for (int i = 0; i < SOC_PCNT_ATTR(CHANS_PER_UNIT); i++) {
for (int i = 0; i < PCNT_LL_GET(CHANS_PER_UNIT); i++) {
if (!unit->channels[i]) {
channel_id = i;
unit->channels[channel_id] = channel;