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#include <stdlib.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <freertos/queue.h>
#include <driver/gpio.h>
#include <driver/rtc_io.h>
#include <driver/uart.h>
#include <esp_system.h>
#include <esp_sleep.h>
#include <esp_pm.h>
#include <esp_log.h>
#include "eos.h"
#include "net.h"
#include "app.h"
#include "cell.h"
#include "power.h"
#define PWR_ETYPE_SLEEP_REQ 1
#define PWR_ETYPE_SLEEP_RDY 2
#define PWR_ETYPE_WAKE 3
typedef struct {
uint8_t type;
uint8_t mode;
uint32_t dev;
} power_event_t;
static esp_pm_lock_handle_t power_lock_cpu_freq;
static esp_pm_lock_handle_t power_lock_apb_freq;
static esp_pm_lock_handle_t power_lock_no_sleep;
static const char *TAG = "EOS POWER";
static QueueHandle_t power_queue;
static void IRAM_ATTR net_wake_handler(void *arg) {
power_event_t evt;
evt.type = PWR_ETYPE_WAKE;
evt.dev = EOS_PWR_DEV_NET;
xQueueSendFromISR(power_queue, &evt, NULL);
}
static void IRAM_ATTR app_wake_handler(void *arg) {
power_event_t evt;
evt.type = PWR_ETYPE_WAKE;
evt.dev = EOS_PWR_DEV_APP;
xQueueSendFromISR(power_queue, &evt, NULL);
}
static void IRAM_ATTR modem_wake_handler(void *arg) {
power_event_t evt;
evt.type = PWR_ETYPE_WAKE;
evt.dev = EOS_PWR_DEV_MODEM;
xQueueSendFromISR(power_queue, &evt, NULL);
}
static void power_event_task(void *pvParameters) {
power_event_t evt;
uint8_t mode;
uint32_t sleep_req, sleep_rdy;
int sys_sleep;
mode = 0;
sys_sleep = 0;
sleep_req = 0;
sleep_rdy = 0;
while (1) {
if (xQueueReceive(power_queue, &evt, portMAX_DELAY)) {
switch (evt.type) {
case PWR_ETYPE_SLEEP_REQ: {
if (evt.mode) mode = evt.mode;
if ((evt.dev & EOS_PWR_DEV_NET) && !(sleep_req & EOS_PWR_DEV_NET)) {
eos_net_sleep_req();
}
if ((evt.dev & EOS_PWR_DEV_APP) && !(sleep_req & EOS_PWR_DEV_APP)) {
eos_app_sleep_req();
}
if ((evt.dev & EOS_PWR_DEV_MODEM) && !(sleep_req & EOS_PWR_DEV_MODEM)) {
eos_modem_sleep_req();
}
sleep_req |= evt.dev;
if (sleep_rdy == EOS_PWR_DEV_ALL) {
eos_power_sleep_rdy(0);
}
break;
}
case PWR_ETYPE_SLEEP_RDY: {
gpio_config_t io_conf = {
.mode = GPIO_MODE_INPUT,
.intr_type = GPIO_INTR_NEGEDGE,
.pull_up_en = 1,
.pull_down_en = 0,
};
if (evt.dev & EOS_PWR_DEV_NET) {
io_conf.pin_bit_mask = BIT64(EOS_PWR_GPIO_NET);
gpio_config(&io_conf);
gpio_isr_handler_add(EOS_PWR_GPIO_NET, net_wake_handler, NULL);
}
if (evt.dev & EOS_PWR_DEV_APP) {
io_conf.pin_bit_mask = BIT64(EOS_PWR_GPIO_APP);
gpio_config(&io_conf);
gpio_isr_handler_add(EOS_PWR_GPIO_APP, app_wake_handler, NULL);
}
if (evt.dev & EOS_PWR_DEV_MODEM) {
io_conf.pin_bit_mask = BIT64(EOS_PWR_GPIO_MODEM);
gpio_config(&io_conf);
gpio_isr_handler_add(EOS_PWR_GPIO_MODEM, modem_wake_handler, NULL);
}
sleep_rdy |= evt.dev;
if (!sys_sleep && mode && (sleep_rdy == EOS_PWR_DEV_ALL)) {
sys_sleep = 1;
eos_power_sys_sleep(mode);
}
break;
}
case PWR_ETYPE_WAKE: {
ESP_LOGI(TAG, "WAKE:0x%.8lX", evt.dev);
if (sys_sleep) {
eos_power_sys_wake(mode);
sys_sleep = 0;
mode = 0;
}
if ((evt.dev & EOS_PWR_DEV_NET) && (sleep_rdy & EOS_PWR_DEV_NET)) {
gpio_isr_handler_remove(EOS_PWR_GPIO_NET);
gpio_reset_pin(EOS_PWR_GPIO_NET);
eos_net_wake();
}
if ((evt.dev & EOS_PWR_DEV_APP) && (sleep_rdy & EOS_PWR_DEV_APP)) {
gpio_isr_handler_remove(EOS_PWR_GPIO_APP);
gpio_reset_pin(EOS_PWR_GPIO_APP);
eos_app_wake();
}
if ((evt.dev & EOS_PWR_DEV_MODEM) && (sleep_rdy & EOS_PWR_DEV_MODEM)) {
gpio_isr_handler_remove(EOS_PWR_GPIO_MODEM);
gpio_reset_pin(EOS_PWR_GPIO_MODEM);
eos_modem_wake();
}
sleep_req &= ~evt.dev;
sleep_rdy &= ~evt.dev;
ESP_LOGI(TAG, "WAKE DONE:0x%.8lX", evt.dev);
break;
}
}
}
}
vTaskDelete(NULL);
}
void eos_power_init(void) {
/*
esp_err_t ret;
esp_pm_config_t pwr_conf;
ret = esp_pm_lock_create(ESP_PM_CPU_FREQ_MAX, 0, NULL, &power_lock_cpu_freq);
assert(ret == ESP_OK);
ret = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, NULL, &power_lock_apb_freq);
assert(ret == ESP_OK);
ret = esp_pm_lock_create(ESP_PM_NO_LIGHT_SLEEP, 0, NULL, &power_lock_no_sleep);
assert(ret == ESP_OK);
ret = esp_pm_lock_acquire(power_lock_cpu_freq);
assert(ret == ESP_OK);
ret = esp_pm_lock_acquire(power_lock_apb_freq);
assert(ret == ESP_OK);
ret = esp_pm_lock_acquire(power_lock_no_sleep);
assert(ret == ESP_OK);
pwr_conf.max_freq_mhz = 160;
pwr_conf.min_freq_mhz = 80;
pwr_conf.light_sleep_enable = 1;
ret = esp_pm_configure(&pwr_conf);
assert(ret == ESP_OK);
*/
if (esp_reset_reason() == ESP_RST_DEEPSLEEP) {
rtc_gpio_deinit(EOS_PWR_GPIO_NET);
rtc_gpio_deinit(EOS_PWR_GPIO_APP);
rtc_gpio_deinit(EOS_PWR_GPIO_MODEM);
eos_power_sys_wake(EOS_PWR_SMODE_DEEP);
}
power_queue = xQueueCreate(4, sizeof(power_event_t));
assert(power_queue != NULL);
ESP_LOGI(TAG, "INIT");
}
void eos_power_run(void) {
BaseType_t rv;
rv = xTaskCreate(power_event_task, "power_event", EOS_TASK_SSIZE_PWR, NULL, EOS_TASK_PRIORITY_PWR, NULL);
assert(rv == pdPASS);
ESP_LOGI(TAG, "RUN");
}
void eos_power_sys_sleep(uint8_t mode) {
switch (mode) {
case EOS_PWR_SMODE_TICKLESS: {
esp_pm_lock_release(power_lock_cpu_freq);
esp_pm_lock_release(power_lock_apb_freq);
esp_pm_lock_release(power_lock_no_sleep);
break;
}
case EOS_PWR_SMODE_LIGHT:
case EOS_PWR_SMODE_DEEP: {
esp_err_t ret;
/* in case of missing modem */
rtc_gpio_pullup_en(EOS_PWR_GPIO_MODEM);
esp_sleep_enable_ext1_wakeup_io(EOS_PWR_DEV_ALL, ESP_EXT1_WAKEUP_ANY_LOW);
if (mode == EOS_PWR_SMODE_DEEP) {
gpio_deep_sleep_hold_en();
esp_deep_sleep_start();
} else {
ESP_LOGI(TAG, "LIGHT SLEEP");
uart_wait_tx_idle_polling(UART_NUM_0);
ret = esp_light_sleep_start();
ESP_LOGI(TAG, "LIGHT WAKE: %d", ret);
eos_power_wake(eos_power_wakeup_source());
}
break;
}
}
}
void eos_power_sys_wake(uint8_t mode) {
switch (mode) {
case EOS_PWR_SMODE_TICKLESS: {
esp_pm_lock_acquire(power_lock_cpu_freq);
esp_pm_lock_acquire(power_lock_apb_freq);
esp_pm_lock_acquire(power_lock_no_sleep);
break;
}
case EOS_PWR_SMODE_LIGHT:
case EOS_PWR_SMODE_DEEP: {
rtc_gpio_pullup_dis(EOS_PWR_GPIO_MODEM);
esp_sleep_disable_ext1_wakeup_io(0);
if (mode == EOS_PWR_SMODE_DEEP) {
gpio_deep_sleep_hold_dis();
}
break;
}
}
}
uint32_t eos_power_wakeup_source(void) {
esp_sleep_wakeup_cause_t wakeup_cause;
uint32_t dev;
dev = EOS_PWR_DEV_NONE;
wakeup_cause = esp_sleep_get_wakeup_cause();
if (wakeup_cause == ESP_SLEEP_WAKEUP_EXT1) {
dev = esp_sleep_get_ext1_wakeup_status();
return dev;
} else {
ESP_LOGE(TAG, "BAD WAKEUP CAUSE");
}
return dev;
}
void eos_power_sleep_req(uint8_t mode, uint32_t dev) {
power_event_t evt;
evt.type = PWR_ETYPE_SLEEP_REQ;
evt.mode = mode;
evt.dev = dev;
xQueueSend(power_queue, &evt, portMAX_DELAY);
}
void eos_power_sleep_rdy(uint32_t dev) {
power_event_t evt;
evt.type = PWR_ETYPE_SLEEP_RDY;
evt.dev = dev;
xQueueSend(power_queue, &evt, portMAX_DELAY);
}
void eos_power_wake(uint32_t dev) {
power_event_t evt;
ESP_LOGI(TAG, "WAKE SENT");
evt.type = PWR_ETYPE_WAKE;
evt.dev = dev;
xQueueSend(power_queue, &evt, portMAX_DELAY);
}
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