RT-Thread-NRF24L01 创建失败RT-Thread问答社区

NRF24L01 创建失败

发布于 2023-11-08 16:30:52 浏览：364 订阅该版

第一次使用rtthread的NRF24L01组件，msh提示
`Failed to create nrf24 instance`。
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20231108/7593956c7a6e5b17b0725cd4dba6f480.png.webp)，希望帮指点一下！

```
#include <nrf24l01.h>
#include <rtconfig.h>
#include "drv_spi.h"

#if (PKG_NRF24L01_DEMO_CE_PIN < 0)
#error Please specify a valid pin
#endif

#ifdef PKG_NRF24L01_DEMO_ROLE_PTX
    #define NRF24_DEMO_ROLE     ROLE_PTX
    #define NRF24_DEMO_SEND_INTERVAL        PKG_NRF24L01_DEMO_INTERVAL_SEND
#else
    #define NRF24_DEMO_ROLE     ROLE_PRX
#endif

#define NRF24_DEMO_SPI_DEV_NAME         PKG_NRF24L01_DEMO_SPI_DEV_NAME
#define NRF24_DEMO_CE_PIN               PKG_NRF24L01_DEMO_CE_PIN
#define NRF24_DEMO_IRQ_PIN              PKG_NRF24L01_DEMO_IRQ_PIN

const static char *ROLE_TABLE[] = {"PTX", "PRX"};

static void rx_ind(nrf24_t nrf24, uint8_t *data, uint8_t len, int pipe)
{
    /*! Don't need to care the pipe if the role is ROLE_PTX */
    rt_kprintf("(p%d): ", pipe);
    rt_kprintf((char *)data);
}

static void tx_done(nrf24_t nrf24, int pipe)
{
    static int cnt = 0;
    static char tbuf[32];

cnt++;

/*! Here just want to tell the user when the role is ROLE_PTX
    the pipe have no special meaning except indicating (send) FAILED or OK 
        However, it will matter when the role is ROLE_PRX*/
    if (nrf24->cfg.role == ROLE_PTX)
    {
        if (pipe == NRF24_PIPE_NONE)
            rt_kprintf("tx_done failed");
        else
            rt_kprintf("tx_done ok");
    }
    else
    {
        rt_kprintf("tx_done ok");
    }

rt_kprintf(" (pipe%d)\n", pipe);
    
    rt_sprintf(tbuf, "My role is %s [%dth]\n", ROLE_TABLE[nrf24->cfg.role], cnt);
    nrf24_send_data(nrf24, (uint8_t *)tbuf, rt_strlen(tbuf), pipe);
#ifdef PKG_NRF24L01_DEMO_ROLE_PTX
    rt_thread_mdelay(NRF24_DEMO_SEND_INTERVAL);
#endif
}

const static struct nrf24_callback _cb = {
    .rx_ind = rx_ind,
    .tx_done = tx_done,
};

static void thread_entry(void *param)
{
    nrf24_t nrf24;

rt_kprintf("[nrf24/demo] Version:%s\n", PKG_NRF24L01_VERSION);

nrf24 = nrf24_default_create(NRF24_DEMO_SPI_DEV_NAME, NRF24_DEMO_CE_PIN, NRF24_DEMO_IRQ_PIN, &_cb, NRF24_DEMO_ROLE);

if (nrf24 == RT_NULL)
    {
        rt_kprintf("\n[nrf24/demo] Failed to create nrf24. stop!\n");
        for(;;) rt_thread_mdelay(10000);
    }
    else
    {
        rt_kprintf("[nrf24/demo] running.");
    }

//    nrf24_send_data(nrf24, "Hi\n", 3, NRF24_DEFAULT_PIPE);

while (1)
    {
        nrf24_run(nrf24);

if(!nrf24->flags.using_irq)
            rt_thread_mdelay(10);
    }
    
}

static int nrf24l01_sample_init(void)
{
    rt_thread_t thread;

thread = rt_thread_create("nrfDemo", thread_entry, RT_NULL, 1024, RT_THREAD_PRIORITY_MAX/2, 20);
    rt_thread_startup(thread);

return RT_EOK;
}

INIT_APP_EXPORT(nrf24l01_sample_init);
static int rt_hw_nrf24l01_init(void)
{
rt_hw_spi_device_attach("spi1", "spi10",GPIOD,GPIO_PIN_0);
	return RT_EOK;
}
INIT_COMPONENT_EXPORT(rt_hw_nrf24l01_init);
```