164 lines
4.4 KiB
C
164 lines
4.4 KiB
C
/*
|
||
* 程序清单：这是一个串口设备 开启 DMA 模式后使用例程
|
||
* 例程导出了 uart_dma_sample 命令到控制终端
|
||
* 命令调用格式：uart_dma_sample uart1
|
||
* 命令解释：命令第二个参数是要使用的串口设备名称，为空则使用默认的串口设备
|
||
* 程序功能：通过串口输出字符串 "hello RT-Thread!"，并通过串口输出接收到的数据，然后打印接收到的数据。
|
||
*/
|
||
|
||
#include <rtthread.h>
|
||
#include <rtdevice.h>
|
||
#include "status.h"
|
||
|
||
#define SAMPLE_UART_NAME "uart3" /* 串口设备名称 */
|
||
|
||
#define LOG_TAG "assistant"
|
||
#define DBG_LVL DBG_LOG
|
||
// #define DBG_LVL DBG_INFO
|
||
|
||
#define USE_LOG1
|
||
#define USE_LOG2
|
||
#define USE_LOG3
|
||
// #define USE_LOG4
|
||
#define USE_LOG5
|
||
// #define USE_LOG6
|
||
// #define USE_LOG_D
|
||
#include "logn.h"
|
||
|
||
/* 串口接收消息结构 */
|
||
struct rx_msg
|
||
{
|
||
rt_device_t dev;
|
||
rt_size_t size;
|
||
};
|
||
/* 串口设备句柄 */
|
||
static rt_device_t serial;
|
||
/* 消息队列控制块 */
|
||
static struct rt_messagequeue rx_mq;
|
||
|
||
/* 接收数据回调函数 */
|
||
static rt_err_t uart_input(rt_device_t dev, rt_size_t size)
|
||
{
|
||
struct rx_msg msg;
|
||
rt_err_t result;
|
||
msg.dev = dev;
|
||
msg.size = size;
|
||
|
||
result = rt_mq_send(&rx_mq, &msg, sizeof(msg));
|
||
if (result == -RT_EFULL)
|
||
{
|
||
/* 消息队列满 */
|
||
rt_kprintf("message queue full！\n");
|
||
}
|
||
return result;
|
||
}
|
||
void assist_control(char *rx_buffer)
|
||
{
|
||
LOG3("assist_control CMD:%s",rx_buffer);
|
||
if (rt_strstr(rx_buffer, "cc")!=RT_NULL||rt_strstr(rx_buffer, "3")!=RT_NULL)
|
||
{
|
||
fan_status=1;
|
||
fan_on();
|
||
rt_kprintf("加大抽风\n");
|
||
}
|
||
else if (rt_strstr(rx_buffer, "dd")!=RT_NULL||rt_strstr(rx_buffer, "4")!=RT_NULL)
|
||
{
|
||
fan_status=0;
|
||
fan_off();
|
||
rt_kprintf("关闭抽风\n");
|
||
}
|
||
else if (rt_strstr(rx_buffer, "ee")!=RT_NULL||rt_strstr(rx_buffer, "1")!=RT_NULL)
|
||
{
|
||
light_status=1;
|
||
light_on();
|
||
rt_kprintf("开灯\n");
|
||
}
|
||
else if (rt_strstr(rx_buffer, "ff")!=RT_NULL||rt_strstr(rx_buffer, "2")!=RT_NULL)
|
||
{
|
||
light_status=0;
|
||
light_off();
|
||
rt_kprintf("关灯\n");
|
||
}
|
||
else if (rt_strstr(rx_buffer, "bb")!=RT_NULL||rt_strstr(rx_buffer, "2")!=RT_NULL)
|
||
{
|
||
beep_on();
|
||
}
|
||
}
|
||
static void serial_thread_entry(void *parameter)
|
||
{
|
||
struct rx_msg msg;
|
||
rt_err_t result;
|
||
rt_uint32_t rx_length;
|
||
static char rx_buffer[BSP_UART3_RX_BUFSIZE + 1];
|
||
|
||
while (1)
|
||
{
|
||
rt_memset(&msg, 0, sizeof(msg));
|
||
/* 从消息队列中读取消息 */
|
||
result = rt_mq_recv(&rx_mq, &msg, sizeof(msg), RT_WAITING_FOREVER);
|
||
if (result > 0)
|
||
{
|
||
/* 从串口读取数据 */
|
||
rx_length = rt_device_read(msg.dev, 0, rx_buffer, msg.size);
|
||
rx_buffer[rx_length] = '\0';
|
||
assist_control(rx_buffer);
|
||
/* 打印数据 */
|
||
rt_kprintf("%s\n", rx_buffer);
|
||
}
|
||
}
|
||
}
|
||
|
||
void serial_send(char *str)
|
||
{
|
||
rt_device_write(serial, 0, str, (sizeof(str) - 1));
|
||
}
|
||
|
||
int aiv_init(void)
|
||
{
|
||
LOG5("VOICE assistant START");
|
||
rt_err_t ret = RT_EOK;
|
||
char uart_name[RT_NAME_MAX];
|
||
static char msg_pool[256];
|
||
char str[] = "hello RT-Thread!\r\n";
|
||
|
||
rt_strcpy(uart_name, SAMPLE_UART_NAME);
|
||
|
||
/* 查找串口设备 */
|
||
serial = rt_device_find(uart_name);
|
||
if (!serial)
|
||
{
|
||
rt_kprintf("find %s failed!\n", uart_name);
|
||
return RT_ERROR;
|
||
}
|
||
|
||
/* 初始化消息队列 */
|
||
rt_mq_init(&rx_mq, "rx_mq",
|
||
msg_pool, /* 存放消息的缓冲区 */
|
||
sizeof(struct rx_msg), /* 一条消息的最大长度 */
|
||
sizeof(msg_pool), /* 存放消息的缓冲区大小 */
|
||
RT_IPC_FLAG_FIFO); /* 如果有多个线程等待，按照先来先得到的方法分配消息 */
|
||
|
||
/* 以 DMA 接收及轮询发送方式打开串口设备 */
|
||
rt_device_open(serial, RT_DEVICE_FLAG_RX_NON_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
|
||
/* 设置接收回调函数 */
|
||
rt_device_set_rx_indicate(serial, uart_input);
|
||
/* 发送字符串 */
|
||
// rt_device_write(serial, 0, str, (sizeof(str) - 1));
|
||
|
||
/* 创建 serial 线程 */
|
||
rt_thread_t thread = rt_thread_create("serial", serial_thread_entry, RT_NULL, 1024, 25, 10);
|
||
/* 创建成功则启动线程 */
|
||
if (thread != RT_NULL)
|
||
{
|
||
rt_thread_startup(thread);
|
||
}
|
||
else
|
||
{
|
||
ret = RT_ERROR;
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
/* 导出到 msh 命令列表中 */
|
||
MSH_CMD_EXPORT(aiv_init, siri start);
|