RTTV4.04.使用stduio+cube配置。
配置TIM3正常使用,使用TIM1卡死在rt_thread_mdelay延时处。
rt_thread_mdelay延时的时钟使用SYS或者TIM6都卡在这。
怀疑是优先级的问题,更改TIM1定时器优先级最低也没有用。
board。h中定义
#define BSP_USING_TIM
#ifdef BSP_USING_TIM
#define BSP_USING_TIM1
#ifdef BSP_USING_TIM1
#ifndef TIM1_CONFIG
#define TIM1_CONFIG \
{ \
.tim_handle.Instance = TIM1, \
.tim_irqn = TIM1_UP_TIM10_IRQn, \
.name = "timer1", \
}
#endif /* TIM1_CONFIG */
#endif /* TIM1_CONFIG */
#define BSP_USING_TIM3
#ifdef BSP_USING_TIM3
#ifndef TIM3_CONFIG
#define TIM3_CONFIG \
{ \
.tim_handle.Instance = TIM3, \
.tim_irqn = TIM3_IRQn, \
.name = "timer3", \
}
#endif /* TIM3_CONFIG */
#endif /* BSP_USING_TIM3 */
官方例程只改了设备名
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-12-21 Administrator the first version
*/
/*
* 程序清单:这是一个 hwtimer 设备使用例程
* 例程导出了 hwtimer_sample 命令到控制终端
* 命令调用格式:hwtimer_sample
* 程序功能:硬件定时器超时回调函数周期性的打印当前tick值,2次tick值之差换算为时间等同于定时时间值。
*/
#include <rtthread.h>
#include <rtdevice.h>
#define HWTIMER_DEV_NAME "timer1" /* 定时器名称 */
/* 定时器超时回调函数 */
static rt_err_t timeout_cb(rt_device_t dev, rt_size_t size)
{
rt_kprintf("this is hwtimer timeout callback fucntion!\n");
rt_kprintf("tick is :%d !\n", rt_tick_get());
return 0;
}
static int hwtimer_sample(int argc, char *argv[])
{
rt_err_t ret = RT_EOK;
rt_hwtimerval_t timeout_s; /* 定时器超时值 */
rt_device_t hw_dev = RT_NULL; /* 定时器设备句柄 */
rt_hwtimer_mode_t mode; /* 定时器模式 */
/* 查找定时器设备 */
hw_dev = rt_device_find(HWTIMER_DEV_NAME);
if (hw_dev == RT_NULL)
{
rt_kprintf("hwtimer sample run failed! can't find %s device!\n", HWTIMER_DEV_NAME);
return RT_ERROR;
}
/* 以读写方式打开设备 */
ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
if (ret != RT_EOK)
{
rt_kprintf("open %s device failed!\n", HWTIMER_DEV_NAME);
return ret;
}
/* 设置超时回调函数 */
rt_device_set_rx_indicate(hw_dev, timeout_cb);
/* 设置模式为周期性定时器 */
mode = HWTIMER_MODE_PERIOD;
ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);
if (ret != RT_EOK)
{
rt_kprintf("set mode failed! ret is :%d\n", ret);
return ret;
}
/* 设置定时器超时值为5s并启动定时器 */
timeout_s.sec = 5; /* 秒 */
timeout_s.usec = 0; /* 微秒 */
if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))
{
rt_kprintf("set timeout value failed\n");
return RT_ERROR;
}
/* 延时3500ms */
rt_thread_mdelay(3500);
/* 读取定时器当前值 */
rt_device_read(hw_dev, 0, &timeout_s, sizeof(timeout_s));
rt_kprintf("Read: Sec = %d, Usec = %d\n", timeout_s.sec, timeout_s.usec);
return ret;
}
/* 导出到 msh 命令列表中 */
MSH_CMD_EXPORT(hwtimer_sample, hwtimer sample);
debug定位卡死在这里,搜了一下是硬件错误卡这里了。
/**
* @brief This is the code that gets called when the processor receives an
* unexpected interrupt. This simply enters an infinite loop, preserving
* the system state for examination by a debugger.
* @param None
* @retval None
*/
.section .text.Default_Handler,"ax",%progbits
Default_Handler:
Infinite_Loop:
b Infinite_Loop
.size Default_Handler, .-Default_Handler
解决了,贴一下详细步骤,供出现此类问题的朋友参考:
/* Core:5.02,MCU:F407 */
/* 1、增加TIM1_CONFIG定义 */
#define TIM1_CONFIG \
{ \
.tim_handle.Instance = TIM1, \
.tim_irqn = TIM1_UP_TIM10_IRQn, \
.name = "timer1", \
}
/* 2、增加TIM1中断入口 */
#ifdef BSP_USING_TIM1
void TIM1_UP_TIM10_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
HAL_TIM_IRQHandler(&stm32_hwtimer_obj[TIM1_INDEX].tim_handle);
/* leave interrupt */
rt_interrupt_leave();
}
#endif
/* 3、扩展定时器中断回调-HAL_TIM_PeriodElapsedCallback */
#ifdef BSP_USING_TIM1
if (htim->Instance == TIM1)
{
rt_device_hwtimer_isr(&stm32_hwtimer_obj[TIM1_INDEX].time_device);
}
#endif
/* 4、时间不准问题是因为驱动里把TIM1默认挂在了APB1总线上 */
//在timer_ctrl和timer_init函数中增加TIM1,挂载TIM1到APB2上
if (tim->Instance == TIM1 || tim->Instance == TIM9 || tim->Instance == TIM10 || tim->Instance == TIM11)
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
{
if(htim_base->Instance==TIM3)
{
/* USER CODE BEGIN TIM3_MspInit 0 */
/* USER CODE END TIM3_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_TIM3_CLK_ENABLE();
/* USER CODE BEGIN TIM3_MspInit 1 */
/* USER CODE END TIM3_MspInit 1 */
}
}
淦,找了一下drv_hw的代码里,还真没有TIM1的。😪😪😪。我写一下再试试
多谢,解决了💓
tim1是怎么解决的呢 用的是哪个中断
@imwhisky