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#include <stdlib.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <freertos/queue.h>
#include <driver/gpio.h>
#include <esp_sleep.h>
#include <esp_pm.h>
#include <esp_log.h>
#include "eos.h"
#include "net.h"
#include "cell.h"
#include "power.h"
#define POWER_GPIO_BTN 0
#define POWER_GPIO_NET 5
#define POWER_GPIO_UART 35
#define POWER_ETYPE_BTN 1
#define POWER_ETYPE_SLEEP 2
#define POWER_ETYPE_WAKE 3
#define POWER_ETYPE_1V8RDY 4
typedef struct {
uint8_t type;
union {
uint8_t source;
uint8_t level;
};
} 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 btn_handler(void *arg) {
power_event_t evt;
evt.type = POWER_ETYPE_BTN;
evt.level = gpio_get_level(POWER_GPIO_BTN);
xQueueSendFromISR(power_queue, &evt, NULL);
}
static void IRAM_ATTR btn_wake_handler(void *arg) {
power_event_t evt;
gpio_intr_disable(POWER_GPIO_BTN);
evt.type = POWER_ETYPE_WAKE;
evt.source = EOS_PWR_WAKE_BTN;
xQueueSendFromISR(power_queue, &evt, NULL);
}
static void IRAM_ATTR net_wake_handler(void *arg) {
power_event_t evt;
gpio_intr_disable(POWER_GPIO_NET);
evt.type = POWER_ETYPE_WAKE;
evt.source = EOS_PWR_WAKE_NET;
xQueueSendFromISR(power_queue, &evt, NULL);
}
static void IRAM_ATTR uart_wake_handler(void *arg) {
power_event_t evt;
gpio_intr_disable(POWER_GPIO_UART);
evt.type = POWER_ETYPE_WAKE;
evt.source = EOS_PWR_WAKE_UART;
xQueueSendFromISR(power_queue, &evt, NULL);
}
void power_sleep(void) {
gpio_config_t io_conf;
eos_modem_sleep();
io_conf.intr_type = GPIO_INTR_DISABLE;
io_conf.mode = GPIO_MODE_INPUT;
io_conf.pin_bit_mask = ((uint64_t)1 << POWER_GPIO_NET);
io_conf.pull_up_en = 0;
io_conf.pull_down_en = 0;
gpio_config(&io_conf);
gpio_isr_handler_add(POWER_GPIO_BTN, btn_wake_handler, NULL);
gpio_isr_handler_add(POWER_GPIO_NET, net_wake_handler, NULL);
gpio_isr_handler_add(POWER_GPIO_UART, uart_wake_handler, NULL);
gpio_wakeup_enable(POWER_GPIO_BTN, GPIO_INTR_LOW_LEVEL);
gpio_wakeup_enable(POWER_GPIO_NET, GPIO_INTR_LOW_LEVEL);
gpio_wakeup_enable(POWER_GPIO_UART, GPIO_INTR_LOW_LEVEL);
eos_net_sleep_done();
ESP_LOGD(TAG, "SLEEP");
esp_pm_lock_release(power_lock_apb_freq);
esp_pm_lock_release(power_lock_no_sleep);
}
void power_wake_stage1(uint8_t source) {
gpio_config_t io_conf;
esp_pm_lock_acquire(power_lock_apb_freq);
esp_pm_lock_acquire(power_lock_no_sleep);
gpio_wakeup_disable(POWER_GPIO_BTN);
gpio_wakeup_disable(POWER_GPIO_NET);
gpio_wakeup_disable(POWER_GPIO_UART);
gpio_isr_handler_remove(POWER_GPIO_NET);
io_conf.intr_type = GPIO_INTR_DISABLE;
io_conf.mode = GPIO_MODE_DISABLE;
io_conf.pin_bit_mask = ((uint64_t)1 << POWER_GPIO_NET);
io_conf.pull_up_en = 0;
io_conf.pull_down_en = 0;
gpio_config(&io_conf);
gpio_intr_disable(POWER_GPIO_BTN);
if ((source != EOS_PWR_WAKE_BTN) && (source != EOS_PWR_WAKE_NET)) {
gpio_set_direction(POWER_GPIO_BTN, GPIO_MODE_OUTPUT);
gpio_set_level(POWER_GPIO_BTN, 0);
vTaskDelay(200 / portTICK_PERIOD_MS);
gpio_set_direction(POWER_GPIO_BTN, GPIO_MODE_INPUT);
}
eos_net_wake(source);
}
void power_wake_stage2(uint8_t source) {
eos_modem_wake(source);
gpio_set_intr_type(POWER_GPIO_BTN, GPIO_INTR_ANYEDGE);
gpio_isr_handler_add(POWER_GPIO_BTN, btn_handler, NULL);
ESP_LOGD(TAG, "WAKE");
}
static void power_event_task(void *pvParameters) {
unsigned char *buf;
power_event_t evt;
uint8_t source = 0;
int sleep = 0;
while (1) {
if (xQueueReceive(power_queue, &evt, portMAX_DELAY)) {
switch (evt.type) {
case POWER_ETYPE_SLEEP:
if (!sleep) {
power_sleep();
sleep = 1;
}
break;
case POWER_ETYPE_WAKE:
if (sleep) {
source = evt.source;
power_wake_stage1(source);
}
break;
case POWER_ETYPE_1V8RDY:
if (sleep && source) {
power_wake_stage2(source);
sleep = 0;
source = 0;
}
break;
case POWER_ETYPE_BTN:
buf = eos_net_alloc();
buf[0] = EOS_PWR_MTYPE_BUTTON;
buf[1] = evt.level;
eos_net_send(EOS_NET_MTYPE_POWER, buf, 2, 0);
break;
default:
break;
}
}
}
vTaskDelete(NULL);
}
void eos_power_init(void) {
esp_err_t ret;
gpio_config_t io_conf;
esp_pm_config_esp32_t pwr_conf;
io_conf.intr_type = GPIO_INTR_ANYEDGE;
io_conf.mode = GPIO_MODE_INPUT;
io_conf.pin_bit_mask = ((uint64_t)1 << POWER_GPIO_BTN);
io_conf.pull_up_en = 1;
io_conf.pull_down_en = 0;
gpio_config(&io_conf);
gpio_isr_handler_add(POWER_GPIO_BTN, btn_handler, NULL);
ret = esp_sleep_enable_gpio_wakeup();
assert(ret == ESP_OK);
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);
power_queue = xQueueCreate(4, sizeof(power_event_t));
xTaskCreate(power_event_task, "power_event", EOS_TASK_SSIZE_PWR, NULL, EOS_TASK_PRIORITY_PWR, NULL);
ESP_LOGI(TAG, "INIT");
}
void eos_power_sleep(void) {
power_event_t evt;
evt.type = POWER_ETYPE_SLEEP;
evt.source = 0;
xQueueSend(power_queue, &evt, portMAX_DELAY);
}
void eos_power_wake(uint8_t source) {
power_event_t evt;
evt.type = POWER_ETYPE_WAKE;
evt.source = source;
xQueueSend(power_queue, &evt, portMAX_DELAY);
}
void eos_power_1v8rdy(void) {
power_event_t evt;
evt.type = POWER_ETYPE_1V8RDY;
evt.source = 0;
xQueueSend(power_queue, &evt, portMAX_DELAY);
}
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