[bsp/stm32l496-st-nucleo] update SConscript && remove uart_sample.c

This commit is contained in:
chenyingchun0312 2021-08-11 09:27:12 +08:00
parent 66c6774dd9
commit 7f8e4ee108
2 changed files with 0 additions and 105 deletions

View File

@ -6,10 +6,6 @@ src = Split('''
main.c
''')
if GetDepend(['BSP_USING_USBD']):
if GetDepend(['RT_USB_DEVICE_CDC']):
src += ['uart_sample.c']
CPPPATH = [str(Dir('#')), cwd]
group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)

View File

@ -1,101 +0,0 @@
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-08-15 misonyo first implementation.
*/
/*
* 使
* uart_sample
* uart_sample uart2
* 使使
* "hello RT-Thread!"
*/
#include <rtthread.h>
#define SAMPLE_UART_NAME "vcom" /* 串口设备名称 */
/* 用于接收消息的信号量 */
static struct rt_semaphore rx_sem;
static rt_device_t serial;
/* 接收数据回调函数 */
static rt_err_t uart_input(rt_device_t dev, rt_size_t size)
{
/* 串口接收到数据后产生中断,调用此回调函数,然后发送接收信号量 */
rt_sem_release(&rx_sem);
return RT_EOK;
}
static void serial_thread_entry(void *parameter)
{
char ch;
while (1)
{
/* 从串口读取一个字节的数据,没有读取到则等待接收信号量 */
while (rt_device_read(serial, -1, &ch, 1) != 1)
{
/* 阻塞等待接收信号量,等到信号量后再次读取数据 */
rt_sem_take(&rx_sem, RT_WAITING_FOREVER);
}
/* 读取到的数据通过串口错位输出 */
ch = ch + 1;
rt_device_write(serial, 0, &ch, 1);
}
}
static int uart_sample(int argc, char *argv[])
{
rt_err_t ret = RT_EOK;
char uart_name[RT_NAME_MAX];
char str[] = "hello RT-Thread!\r\n";
if (argc == 2)
{
rt_strncpy(uart_name, argv[1], RT_NAME_MAX);
}
else
{
rt_strncpy(uart_name, SAMPLE_UART_NAME, RT_NAME_MAX);
}
/* 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;
}
/* 初始化信号量 */
rt_sem_init(&rx_sem, "rx_sem", 0, RT_IPC_FLAG_FIFO);
/* 以中断接收及轮询发送方式打开串口设备 */
rt_device_open(serial, RT_DEVICE_FLAG_INT_RX);
//rt_device_open(serial, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX);
/* 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(uart_sample, uart device sample);