diff options
Diffstat (limited to 'code/esp32/components/eos/power.c')
| -rw-r--r-- | code/esp32/components/eos/power.c | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/code/esp32/components/eos/power.c b/code/esp32/components/eos/power.c new file mode 100644 index 0000000..6d55a10 --- /dev/null +++ b/code/esp32/components/eos/power.c @@ -0,0 +1,257 @@ +#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); +} |