pulse_counter_ulp: expunge other storage types

This commit is contained in:
brisk 2024-07-05 21:40:54 +09:30
parent 3059e65d13
commit 5fb117e0ea
2 changed files with 0 additions and 158 deletions

View file

@ -13,131 +13,6 @@ static const char *const TAG = "pulse_counter_ulp";
const char *const EDGE_MODE_TO_STRING[] = {"DISABLE", "INCREMENT", "DECREMENT"};
void IRAM_ATTR BasicPulseCounterStorage::gpio_intr(BasicPulseCounterStorage *arg) {
const uint32_t now = micros();
const bool discard = now - arg->last_pulse < arg->filter_us;
arg->last_pulse = now;
if (discard)
return;
PulseCounterCountMode mode = arg->isr_pin.digital_read() ? arg->rising_edge_mode : arg->falling_edge_mode;
switch (mode) {
case PULSE_COUNTER_DISABLE:
break;
case PULSE_COUNTER_INCREMENT:
arg->counter++;
break;
case PULSE_COUNTER_DECREMENT:
arg->counter--;
break;
}
}
bool BasicPulseCounterStorage::pulse_counter_setup(InternalGPIOPin *pin) {
this->pin = pin;
this->pin->setup();
this->isr_pin = this->pin->to_isr();
this->pin->attach_interrupt(BasicPulseCounterStorage::gpio_intr, this, gpio::INTERRUPT_ANY_EDGE);
return true;
}
pulse_counter_t BasicPulseCounterStorage::read_raw_value() {
pulse_counter_t counter = this->counter;
pulse_counter_t ret = counter - this->last_value;
this->last_value = counter;
return ret;
}
#ifdef HAS_PCNT
bool HwPulseCounterStorage::pulse_counter_setup(InternalGPIOPin *pin) {
static pcnt_unit_t next_pcnt_unit = PCNT_UNIT_0;
this->pin = pin;
this->pin->setup();
this->pcnt_unit = next_pcnt_unit;
next_pcnt_unit = pcnt_unit_t(int(next_pcnt_unit) + 1);
ESP_LOGCONFIG(TAG, " PCNT Unit Number: %u", this->pcnt_unit);
pcnt_count_mode_t rising = PCNT_COUNT_DIS, falling = PCNT_COUNT_DIS;
switch (this->rising_edge_mode) {
case PULSE_COUNTER_DISABLE:
rising = PCNT_COUNT_DIS;
break;
case PULSE_COUNTER_INCREMENT:
rising = PCNT_COUNT_INC;
break;
case PULSE_COUNTER_DECREMENT:
rising = PCNT_COUNT_DEC;
break;
}
switch (this->falling_edge_mode) {
case PULSE_COUNTER_DISABLE:
falling = PCNT_COUNT_DIS;
break;
case PULSE_COUNTER_INCREMENT:
falling = PCNT_COUNT_INC;
break;
case PULSE_COUNTER_DECREMENT:
falling = PCNT_COUNT_DEC;
break;
}
pcnt_config_t pcnt_config = {
.pulse_gpio_num = this->pin->get_pin(),
.ctrl_gpio_num = PCNT_PIN_NOT_USED,
.lctrl_mode = PCNT_MODE_KEEP,
.hctrl_mode = PCNT_MODE_KEEP,
.pos_mode = rising,
.neg_mode = falling,
.counter_h_lim = 0,
.counter_l_lim = 0,
.unit = this->pcnt_unit,
.channel = PCNT_CHANNEL_0,
};
esp_err_t error = pcnt_unit_config(&pcnt_config);
if (error != ESP_OK) {
ESP_LOGE(TAG, "Configuring Pulse Counter failed: %s", esp_err_to_name(error));
return false;
}
if (this->filter_us != 0) {
uint16_t filter_val = std::min(static_cast<unsigned int>(this->filter_us * 80u), 1023u);
ESP_LOGCONFIG(TAG, " Filter Value: %" PRIu32 "us (val=%u)", this->filter_us, filter_val);
error = pcnt_set_filter_value(this->pcnt_unit, filter_val);
if (error != ESP_OK) {
ESP_LOGE(TAG, "Setting filter value failed: %s", esp_err_to_name(error));
return false;
}
error = pcnt_filter_enable(this->pcnt_unit);
if (error != ESP_OK) {
ESP_LOGE(TAG, "Enabling filter failed: %s", esp_err_to_name(error));
return false;
}
}
error = pcnt_counter_pause(this->pcnt_unit);
if (error != ESP_OK) {
ESP_LOGE(TAG, "Pausing pulse counter failed: %s", esp_err_to_name(error));
return false;
}
error = pcnt_counter_clear(this->pcnt_unit);
if (error != ESP_OK) {
ESP_LOGE(TAG, "Clearing pulse counter failed: %s", esp_err_to_name(error));
return false;
}
error = pcnt_counter_resume(this->pcnt_unit);
if (error != ESP_OK) {
ESP_LOGE(TAG, "Resuming pulse counter failed: %s", esp_err_to_name(error));
return false;
}
return true;
}
pulse_counter_t HwPulseCounterStorage::read_raw_value() {
pulse_counter_t counter;
pcnt_get_counter_value(this->pcnt_unit, &counter);
pulse_counter_t ret = counter - this->last_value;
this->last_value = counter;
return ret;
}
/* === ULP === */
extern const uint8_t ulp_main_bin_start[] asm("_binary_ulp_main_bin_start");
@ -237,8 +112,6 @@ pulse_counter_t UlpPulseCounterStorage::read_raw_value() {
/* === END ULP ===*/
#endif
void PulseCounterSensor::setup() {
ESP_LOGCONFIG(TAG, "Setting up pulse counter '%s'...", this->name_.c_str());
if (!this->storage_.pulse_counter_setup(this->pin_)) {

View file

@ -10,11 +10,6 @@
#include <cinttypes>
#if defined(USE_ESP32) && !defined(USE_ESP32_VARIANT_ESP32C3)
#include <driver/pcnt.h>
#define HAS_PCNT
#endif
namespace esphome {
namespace pulse_counter {
@ -24,12 +19,7 @@ enum PulseCounterCountMode {
PULSE_COUNTER_DECREMENT,
};
#ifdef HAS_PCNT
using pulse_counter_t = int16_t;
#else
using pulse_counter_t = int32_t;
#endif
using timestamp_t = int64_t;
struct PulseCounterStorageBase {
@ -43,31 +33,10 @@ struct PulseCounterStorageBase {
pulse_counter_t last_value{0};
};
struct BasicPulseCounterStorage : public PulseCounterStorageBase {
static void gpio_intr(BasicPulseCounterStorage *arg);
bool pulse_counter_setup(InternalGPIOPin *pin) override;
pulse_counter_t read_raw_value() override;
volatile pulse_counter_t counter{0};
volatile uint32_t last_pulse{0};
ISRInternalGPIOPin isr_pin;
};
#ifdef HAS_PCNT
struct HwPulseCounterStorage : public PulseCounterStorageBase {
bool pulse_counter_setup(InternalGPIOPin *pin) override;
pulse_counter_t read_raw_value() override;
pcnt_unit_t pcnt_unit;
};
struct UlpPulseCounterStorage : public PulseCounterStorageBase {
bool pulse_counter_setup(InternalGPIOPin *pin) override;
pulse_counter_t read_raw_value() override;
};
#endif
class PulseCounterSensor : public sensor::Sensor, public PollingComponent {
public: