esp32-idf sx1268主机唤醒从机sx1268

好的，关于esp32-idf和sx1268的主机唤醒从机sx1268的问题，我可以给你一些建议。

首先，你需要在主机端的esp32-idf中配置好sx1268的SPI接口，并且可以正常发送和接收数据。然后，你需要在从机端的sx1268中设置唤醒源，可以选择使用RTC模块或者外部中断作为唤醒源。

在从机端的sx1268中，你需要按照以下步骤进行配置：

1. 设置sx1268的唤醒源，例如设置RTC模块的唤醒时间或者配置外部中断。

2. 设置sx1268的睡眠模式和待机模式。

3. 在sx1268的唤醒回调函数中，进行sx1268的初始化和配置，例如启动射频模块和SPI接口。

在主机端的esp32-idf中，你需要按照以下步骤进行配置：

1. 发送唤醒命令给从机sx1268。

2. 等待从机sx1268完成唤醒过程。

3. 在主机端的esp32-idf中，进行sx1268的初始化和配置，例如启动射频模块和SPI接口。

4. 完成sx1268的初始化和配置后，主机端的esp32-idf可以与从机sx1268通信，进行数据的发送和接收。

下面是一个简单的esp32-idf和sx1268的主机唤醒从机sx1268的代码示例：

从机sx1268代码：

#include "sx126x.h"

#define SX126X_PIN_BUSY     GPIO_NUM_27

void sx126x_init_rx(sx126x_t * sx126x)
{
    // Set wakeup callback function
    sx126x_set_wakeup_callback(sx126x, sx126x_init_rx);

    // Initialize sx126x
    sx126x_init(sx126x);

    // Configure sx126x for reception
    // ...
}

void app_main(void)
{
    // Initialize sx126x
    sx126x_t sx126x = {
        .spi_host = HSPI_HOST,
        .spi_cs = GPIO_NUM_15,
        .spi_handle = NULL,
        .busy_pin = SX126X_PIN_BUSY,
        .reset_pin = GPIO_NUM_33,
        .wakeup_pin = GPIO_NUM_32,
        .wakeup_level = 1,
        .wakeup_callback = sx126x_init_rx,
    };
    sx126x_init(&sx126x);

    // Set wakeup source
    sx126x_rtc_set_alarm(&sx126x, 60 * SX126X_RTC_TICKS_PER_SECOND);
    sx126x_set_sleep(&sx126x, SX126X_SLEEP_CFG_RC);

    // Enter deep sleep mode
    esp_deep_sleep_start();
}

主机esp32-idf代码：

#include "driver/gpio.h"
#include "driver/spi_master.h"
#include "sx126x.h"

#define SX126X_SPI_HOST     HSPI_HOST
#define SX126X_PIN_CS       GPIO_NUM_15
#define SX126X_PIN_BUSY     GPIO_NUM_27
#define SX126X_PIN_RESET    GPIO_NUM_33

spi_device_handle_t spi_handle;

void sx126x_wakeup(sx126x_t * sx126x)
{
    // Initialize spi
    spi_bus_config_t spi_bus_cfg = {
        .mosi_io_num = GPIO_NUM_23,
        .miso_io_num = GPIO_NUM_19,
        .sclk_io_num = GPIO_NUM_18,
        .quadwp_io_num = -1,
        .quadhd_io_num = -1,
        .max_transfer_sz = 0,
        .flags = SPICOMMON_BUSFLAG_MASTER
    };
    spi_device_interface_config_t spi_dev_cfg = {
        .clock_speed_hz = 10 * 1000 * 1000,
        .mode = 0,
        .spics_io_num = SX126X_PIN_CS,
        .queue_size = 1,
        .flags = SPI_DEVICE_NO_DUMMY,
        .command_bits = 8,
        .address_bits = 0,
    };
    spi_bus_initialize(SX126X_SPI_HOST, &spi_bus_cfg, 1);
    spi_bus_add_device(SX126X_SPI_HOST, &spi_dev_cfg, &spi_handle);

    // Send wakeup command to sx126x
    sx126x_set_standby(sx126x);
    vTaskDelay(10 / portTICK_PERIOD_MS);
    sx126x_set_fs(sx126x);
    vTaskDelay(1 / portTICK_PERIOD_MS);

    // Wait for sx126x to complete wakeup
    while (gpio_get_level(SX126X_PIN_BUSY) == 1) {
        vTaskDelay(1 / portTICK_PERIOD_MS);
    }

    // Re-enable spi
    spi_bus_remove_device(spi_handle);
    spi_bus_free(SX126X_SPI_HOST);
    spi_bus_initialize(SX126X_SPI_HOST, &spi_bus_cfg, 1);
    spi_bus_add_device(SX126X_SPI_HOST, &spi_dev_cfg, &spi_handle);
}

void app_main(void)
{
    // Wake up sx126x
    sx126x_wakeup(&sx126x);

    // Initialize sx126x
    sx126x_t sx126x = {
        .spi_host = SX126X_SPI_HOST,
        .spi_cs = SX126X_PIN_CS,
        .spi_handle = spi_handle,
        .busy_pin = SX126X_PIN_BUSY,
        .reset_pin = SX126X_PIN_RESET,
    };
    sx126x_init(&sx126x);

    // Do something with sx126x
    // ...
}

注意，上述代码仅供参考，具体的实现可能会因为不同的硬件和软件环境而有所不同。