[novosns][ns800][drivers] 增加 TIM 硬件定时器支持 #11395
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| /* | ||
| * Copyright (c) 2006-2025, RT-Thread Development Team | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * Author: oxlm | ||
| */ | ||
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| #include <board.h> | ||
| #include <rtthread.h> | ||
| #include <rtdevice.h> | ||
| #include "drv_config.h" | ||
| #include "tim.h" | ||
| #include "rcc.h" | ||
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| #ifdef BSP_USING_TIM | ||
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| #define DRV_DEBUG | ||
| #define LOG_TAG "drv.timer" | ||
| #include <drv_log.h> | ||
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| struct ns800_clock_timer | ||
| { | ||
| rt_clock_timer_t timer; | ||
| void *instance; | ||
| IRQn_Type irqno; | ||
| void (*irq_handler)(void); | ||
| char *name; | ||
| rt_clock_timer_mode_t mode; | ||
| }; | ||
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| enum | ||
| { | ||
| #ifdef BSP_USING_TIM1 | ||
| TIM1_INDEX, | ||
| #endif | ||
| #ifdef BSP_USING_TIM2 | ||
| TIM2_INDEX, | ||
| #endif | ||
| }; | ||
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| #ifdef BSP_USING_TIM1 | ||
| void TIM1_IRQHandler(void); | ||
| #endif | ||
| #ifdef BSP_USING_TIM2 | ||
| void TIM2_IRQHandler(void); | ||
| #endif | ||
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| static struct ns800_clock_timer ns800_timers[] = | ||
| { | ||
| #ifdef BSP_USING_TIM1 | ||
| {.instance = TIM1, .irqno = TIM1_IRQn, .irq_handler = TIM1_IRQHandler, .name = "timer1"}, | ||
| #endif | ||
| #ifdef BSP_USING_TIM2 | ||
| {.instance = TIM2, .irqno = TIM2_IRQn, .irq_handler = TIM2_IRQHandler, .name = "timer2"}, | ||
| #endif | ||
| }; | ||
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| #define NS800_TIMER_NUM (sizeof(ns800_timers) / sizeof(ns800_timers[0])) | ||
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| static void ns800_clock_timer_isr(void *param) | ||
| { | ||
| rt_interrupt_enter(); | ||
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| struct ns800_clock_timer *tim = (struct ns800_clock_timer *)param; | ||
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| TIM_TypeDef *htim = (TIM_TypeDef *)tim->instance; | ||
| if (TIM_getFlags(htim, TIM_FLAG_UPDATE)) | ||
| { | ||
| TIM_clearFlags(htim, TIM_FLAG_UPDATE); | ||
| rt_clock_timer_isr(&tim->timer); | ||
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| if (tim->mode == CLOCK_TIMER_MODE_ONESHOT) | ||
| TIM_disableCounter(htim); | ||
| } | ||
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| rt_interrupt_leave(); | ||
| __DSB(); | ||
| } | ||
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| #ifdef BSP_USING_TIM1 | ||
| void TIM1_IRQHandler(void) { ns800_clock_timer_isr(&ns800_timers[TIM1_INDEX]); } | ||
| #endif | ||
| #ifdef BSP_USING_TIM2 | ||
| void TIM2_IRQHandler(void) { ns800_clock_timer_isr(&ns800_timers[TIM2_INDEX]); } | ||
| #endif | ||
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| static void ns800_clock_timer_init(rt_clock_timer_t *timer, rt_uint32_t state) | ||
| { | ||
| struct ns800_clock_timer *tim = (struct ns800_clock_timer *)timer->parent.user_data; | ||
| TIM_TypeDef *htim = (TIM_TypeDef *)tim->instance; | ||
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| if(state) | ||
| { | ||
| __IO uint32_t cfg = | ||
| TIM_PWMMODE_ONEPOINT | | ||
| TIM_CLOCKDIVISION_DIV1 | | ||
| TIM_AUTORELOADPRELOAD_ENABLE | | ||
| TIM_COUNTERMODE_UP | | ||
| TIM_ONEPULSEMODE_REPETITIVE; | ||
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| TIM_configTimeBase(htim, 200-1, 100-1, cfg); | ||
| TIM_clearFlags(htim, TIM_FLAG_UPDATE); | ||
| TIM_enableInterruptSource(htim, TIM_IT_UPDATE); | ||
| } | ||
| else | ||
| { | ||
| TIM_disableInterruptSource(htim, TIM_IT_UPDATE); | ||
| TIM_disableCounter(htim); | ||
| } | ||
| } | ||
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| static rt_err_t ns800_clock_timer_start(rt_clock_timer_t *timer, rt_uint32_t cnt, rt_clock_timer_mode_t mode) | ||
| { | ||
| struct ns800_clock_timer *tim = (struct ns800_clock_timer *)timer->parent.user_data; | ||
| tim->mode = mode; | ||
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| TIM_TypeDef *htim = (TIM_TypeDef *)tim->instance; | ||
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| if (cnt > 0xFFFF) cnt = 0xFFFF; | ||
| TIM_setAutoReload(htim, cnt-1); | ||
| TIM_setCounter(htim, 0); | ||
| TIM_enableCounter(htim); | ||
| return RT_EOK; | ||
| } | ||
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| static void ns800_clock_timer_stop(rt_clock_timer_t *timer) | ||
| { | ||
| struct ns800_clock_timer *tim = (struct ns800_clock_timer *)timer->parent.user_data; | ||
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| TIM_disableCounter((TIM_TypeDef *)tim->instance); | ||
| } | ||
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| static rt_uint32_t ns800_clock_timer_count_get(rt_clock_timer_t *timer) | ||
| { | ||
| struct ns800_clock_timer *tim = (struct ns800_clock_timer *)timer->parent.user_data; | ||
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| return TIM_getCounter((TIM_TypeDef *)tim->instance); | ||
| } | ||
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| static uint32_t __get_timer_src_clk(TIM_TypeDef *htim) | ||
| { | ||
| if (htim == TIM1) | ||
| { | ||
| uint32_t pclk = RCC_getPclk2Frequency(); | ||
| return (RCC_getApb2ClkDiv() == RCC_APB2_4_HCLK_DIV1) ? pclk : (pclk << 1); | ||
| } | ||
| else if (htim == TIM2) | ||
| { | ||
| uint32_t pclk = RCC_getPclk2Frequency(); | ||
| return (RCC_getApb2ClkDiv() == RCC_APB2_4_HCLK_DIV1) ? pclk : (pclk << 1); | ||
| } | ||
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| return 0; | ||
| } | ||
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| static rt_err_t __set_timerx_freq(rt_clock_timer_t *timer, uint32_t freq) | ||
| { | ||
| struct ns800_clock_timer *tim = timer->parent.user_data; | ||
| TIM_TypeDef *htim = (TIM_TypeDef *)tim->instance; | ||
| uint32_t timer_clk; | ||
| uint32_t psc; | ||
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| if (freq == 0) | ||
| { | ||
| return -RT_ERROR; | ||
| } | ||
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| timer_clk = __get_timer_src_clk(htim); | ||
| if (timer_clk == 0) | ||
| { | ||
| LOG_E("timer %s does not use internal RCC clock source or clock query failed", tim->name); | ||
| return -RT_ERROR; | ||
| } | ||
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| psc = (timer_clk / freq) - 1; | ||
| TIM_setPrescaler(htim, psc); | ||
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| return RT_EOK; | ||
| } | ||
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| static rt_err_t ns800_clock_timer_control(rt_clock_timer_t *timer, rt_uint32_t cmd, void *args) | ||
| { | ||
| rt_err_t err = RT_EOK; | ||
| rt_int32_t freq; | ||
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| switch (cmd) | ||
| { | ||
| case CLOCK_TIMER_CTRL_FREQ_SET: | ||
| freq = *(rt_uint32_t *)args; | ||
| __set_timerx_freq(timer, freq); | ||
| break; | ||
| case CLOCK_TIMER_CTRL_INFO_GET: | ||
| *(struct rt_clock_timer_info*)args = *timer->info; | ||
| err = RT_EOK; | ||
| break; | ||
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| case CLOCK_TIMER_CTRL_MODE_SET: | ||
| timer->mode = *(rt_uint32_t *)args; | ||
| break; | ||
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| case CLOCK_TIMER_CTRL_STOP: | ||
| ns800_clock_timer_stop(timer); | ||
| break; | ||
| } | ||
| return err; | ||
| } | ||
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| static const struct rt_clock_timer_info ns800_clock_timer_info[] = | ||
| { | ||
| #ifdef BSP_USING_TIM1 | ||
| { | ||
| .maxfreq = 200000000UL, | ||
| .minfreq = 1UL, | ||
| .maxcnt = 0xFFFF, | ||
| .cntmode = CLOCK_TIMER_CNTMODE_UP, | ||
| }, | ||
| #endif | ||
| #ifdef BSP_USING_TIM2 | ||
| { | ||
| .maxfreq = 200000000UL, | ||
| .minfreq = 1UL, | ||
| .maxcnt = 0xFFFF, | ||
| .cntmode = CLOCK_TIMER_CNTMODE_UP, | ||
| }, | ||
| #endif | ||
| }; | ||
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| static const struct rt_clock_timer_ops ns800_clock_timer_ops = | ||
| { | ||
| .init = ns800_clock_timer_init, | ||
| .start = ns800_clock_timer_start, | ||
| .stop = ns800_clock_timer_stop, | ||
| .count_get = ns800_clock_timer_count_get, | ||
| .control = ns800_clock_timer_control, | ||
| }; | ||
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| int rt_hw_clock_timer_init(void) | ||
| { | ||
| rt_err_t ret = RT_EOK; | ||
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| if (NS800_TIMER_NUM == 0) | ||
| return RT_EOK; | ||
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| uint8_t i; | ||
| IRQn_Type last_irq = (IRQn_Type)0; | ||
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| for (i = 0; i < NS800_TIMER_NUM; i++) | ||
| { | ||
| ns800_timers[i].timer.info = &ns800_clock_timer_info[i]; | ||
| ns800_timers[i].timer.ops = &ns800_clock_timer_ops; | ||
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| ret = rt_clock_timer_register(&ns800_timers[i].timer, | ||
| ns800_timers[i].name, | ||
| &ns800_timers[i]); | ||
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| if ((ret == RT_EOK) && (ns800_timers[i].irqno != last_irq)) | ||
| { | ||
| Interrupt_register(ns800_timers[i].irqno, ns800_timers[i].irq_handler); | ||
| Interrupt_enable(ns800_timers[i].irqno); | ||
| last_irq = ns800_timers[i].irqno; | ||
| } | ||
| } | ||
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| return RT_EOK; | ||
| } | ||
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| INIT_DEVICE_EXPORT(rt_hw_clock_timer_init); | ||
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| #endif /* BSP_USING_TIM */ | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -31,12 +31,6 @@ if os.path.isdir(arch_dir): | |
| src += Glob("arch/%s/*.c" % rtconfig.ARCH) | ||
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| CPPPATH = [cwd, os.path.join(cwd, '..', 'include')] | ||
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Contributor
There was a problem hiding this comment. 可以看这个 https://club.rt-thread.org/ask/question/a618d48ddf478ce3.html ，不删除的话，打开clock time宏生成的工程直接编译报错
Contributor
There was a problem hiding this comment. 问题就在这，其实我编译器是keil 5.39，打开生成的工程看配置，已经显示编译器用的是AC6，也就是clang，不是armcc了。然后这几天尝试把这块还原，采用不动bsp以外的部分的方式解决，发现把copilot的免费额度烧的差不多了都没找到解决方案，甚至连根本原因都没找到。
Member
There was a problem hiding this comment.
rtconfig.py里面的字段其实并没有实际作用，
Member
There was a problem hiding this comment. 可以在其他的BSP下面，使用MDK+AC6去验证下是否会出现一样的问题
Contributor
Author
There was a problem hiding this comment. 看了下n32和nxp，py脚本写的是armcc，模板工程选择的是AC5。倒是renesas有不少配置成了AC6，同时py脚本也选到了armclang。再鉴于ns800模板工程选择AC5编译会有一堆报错，基本上就确定了要改py脚本了。帮忙看看这么改是否可行 rtconfig.py这个脚本里面的platform虽然说不能直接指定keil用哪个编译器，但是会让工程生成时选择不同的配置信息，这就是问题的根源。
Contributor
Author
There was a problem hiding this comment. 我的理解是当选择是keil时，platform不是从template工程中的配置设置的，而是强制指定的（关键这个指定也不会让生成的工程切换到platform指定的编译器上），两边存在不同步的风险。 |
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| group = DefineGroup('DeviceDrivers', src, depend=[''], CPPPATH=CPPPATH) | ||
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| Return('group') | ||
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注释请参考RT-Thread代码规范：https://github.com/RT-Thread/rt-thread/blob/master/documentation/7.contribution/coding_style_cn.md#4%E6%96%87%E4%BB%B6%E5%A4%B4%E6%B3%A8%E9%87%8A
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这部分已修改
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@Rbb666