263 lines
6.4 KiB
C
263 lines
6.4 KiB
C
/*
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* Copyright (c) 2006-2018, Synwit Technology Co.,Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-12-10 Zohar_Lee first version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <board.h>
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#define SWM320_HWTIMER_DEVICE(hwtimer) (struct swm320_hwtimer_dev *)(hwtimer)
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struct swm320_hwtimer_dev
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{
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rt_hwtimer_t parent;
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TIMR_TypeDef *hwtimer_periph;
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};
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#ifdef BSP_USING_HWTIMER0
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static struct swm320_hwtimer_dev hwtimer0;
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void TIMR0_Handler(void)
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{
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TIMR_INTClr(TIMR0);
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rt_device_hwtimer_isr(&hwtimer0.parent);
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if (HWTIMER_MODE_ONESHOT == hwtimer0.parent.mode)
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{
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TIMR_Stop(hwtimer0.hwtimer_periph);
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}
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}
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#endif //BSP_USING_HWTIMER0
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#ifdef BSP_USING_HWTIMER1
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static struct swm320_hwtimer_dev hwtimer1;
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void TIMR1_Handler(void)
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{
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TIMR_INTClr(TIMR1);
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rt_device_hwtimer_isr(&hwtimer1.parent);
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if (HWTIMER_MODE_ONESHOT == hwtimer1.parent.mode)
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{
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TIMR_Stop(hwtimer1.hwtimer_periph);
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}
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}
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#endif //BSP_USING_HWTIMER1
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#ifdef BSP_USING_HWTIMER2
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static struct swm320_hwtimer_dev hwtimer2;
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void TIMR2_Handler(void)
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{
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TIMR_INTClr(TIMR2);
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rt_device_hwtimer_isr(&hwtimer2.parent);
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if (HWTIMER_MODE_ONESHOT == hwtimer2.parent.mode)
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{
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TIMR_Stop(hwtimer2.hwtimer_periph);
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}
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}
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#endif //BSP_USING_HWTIMER2
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#ifdef BSP_USING_HWTIMER3
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static struct swm320_hwtimer_dev hwtimer3;
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void TIMR3_Handler(void)
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{
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TIMR_INTClr(TIMR3);
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rt_device_hwtimer_isr(&hwtimer3.parent);
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if (HWTIMER_MODE_ONESHOT == hwtimer3.parent.mode)
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{
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TIMR_Stop(hwtimer3.hwtimer_periph);
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}
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}
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#endif //BSP_USING_HWTIMER3
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#ifdef BSP_USING_HWTIMER4
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static struct swm320_hwtimer_dev hwtimer4;
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void TIMR4_Handler(void)
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{
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TIMR_INTClr(TIMR4);
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rt_device_hwtimer_isr(&hwtimer4.parent);
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if (HWTIMER_MODE_ONESHOT == hwtimer4.parent.mode)
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{
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TIMR_Stop(hwtimer4.hwtimer_periph);
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}
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}
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#endif //BSP_USING_HWTIMER4
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#ifdef BSP_USING_HWTIMER5
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static struct swm320_hwtimer_dev hwtimer5;
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void TIMR5_Handler(void)
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{
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TIMR_INTClr(TIMR5);
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rt_device_hwtimer_isr(&hwtimer5.parent);
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if (HWTIMER_MODE_ONESHOT == hwtimer5.parent.mode)
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{
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TIMR_Stop(hwtimer5.hwtimer_periph);
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}
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}
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#endif //BSP_USING_HWTIMER5
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static struct rt_hwtimer_info swm320_hwtimer_info =
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{
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120000000, /*时钟源为系统时钟*/
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120000000,
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4294967295, /*32位计数器，2的32次方*/
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HWTIMER_CNTMODE_DW
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};
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static void swm320_hwtimer_init(rt_hwtimer_t *timer, rt_uint32_t state)
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{
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struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
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RT_ASSERT(hwtimer != RT_NULL);
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if (1 == state)
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{
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TIMR_Init(hwtimer->hwtimer_periph,
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TIMR_MODE_TIMER,
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SystemCoreClock,
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1);
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}
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hwtimer->parent.freq = SystemCoreClock;
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swm320_hwtimer_info.maxfreq = SystemCoreClock;
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swm320_hwtimer_info.minfreq = SystemCoreClock;
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}
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static rt_err_t swm320_hwtimer_start(rt_hwtimer_t *timer,
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rt_uint32_t cnt,
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rt_hwtimer_mode_t mode)
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{
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struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
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RT_ASSERT(hwtimer != RT_NULL);
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TIMR_SetPeriod(hwtimer->hwtimer_periph, cnt);
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TIMR_Start(hwtimer->hwtimer_periph);
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return RT_EOK;
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}
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static void swm320_hwtimer_stop(rt_hwtimer_t *timer)
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{
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struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
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RT_ASSERT(hwtimer != RT_NULL);
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TIMR_Stop(hwtimer->hwtimer_periph);
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}
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static rt_uint32_t swm320_hwtimer_count_get(rt_hwtimer_t *timer)
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{
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struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
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uint32_t hwtimer_count = 0;
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RT_ASSERT(hwtimer != RT_NULL);
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hwtimer_count = TIMR_GetCurValue(hwtimer->hwtimer_periph);
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return hwtimer_count;
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}
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static rt_err_t swm320_hwtimer_control(rt_hwtimer_t *timer,
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rt_uint32_t cmd,
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void *args)
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{
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rt_err_t ret = RT_EOK;
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rt_uint32_t freq = 0;
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struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
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RT_ASSERT(hwtimer != RT_NULL);
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switch (cmd)
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{
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case HWTIMER_CTRL_FREQ_SET:
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freq = *(rt_uint32_t*)args;
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if (freq != SystemCoreClock)
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{
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ret = RT_EINVAL;
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}
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break;
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case HWTIMER_CTRL_STOP:
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TIMR_Stop(hwtimer->hwtimer_periph);
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break;
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default:
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ret = RT_EINVAL;
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break;
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}
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return ret;
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}
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static struct rt_hwtimer_ops swm320_hwtimer_ops =
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{
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swm320_hwtimer_init,
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swm320_hwtimer_start,
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swm320_hwtimer_stop,
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swm320_hwtimer_count_get,
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swm320_hwtimer_control
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};
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int rt_hw_hwtimer_init(void)
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{
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rt_err_t ret = RT_EOK;
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#ifdef BSP_USING_HWTIMER0
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hwtimer0.hwtimer_periph = TIMR0;
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hwtimer0.parent.info = &swm320_hwtimer_info;
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hwtimer0.parent.ops = &swm320_hwtimer_ops;
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ret = rt_device_hwtimer_register(&hwtimer0.parent, "timer0", &hwtimer0);
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#endif //BSP_USING_HWTIMER0
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#ifdef BSP_USING_HWTIMER1
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hwtimer1.hwtimer_periph = TIMR1;
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hwtimer1.parent.info = &swm320_hwtimer_info;
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hwtimer1.parent.ops = &swm320_hwtimer_ops;
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ret = rt_device_hwtimer_register(&hwtimer1.parent, "timer1", &hwtimer1);
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#endif //BSP_USING_HWTIMER1
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#ifdef BSP_USING_HWTIMER2
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hwtimer2.hwtimer_periph = TIMR2;
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hwtimer2.parent.info = &swm320_hwtimer_info;
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hwtimer2.parent.ops = &swm320_hwtimer_ops;
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ret = rt_device_hwtimer_register(&hwtimer2.parent, "timer2", &hwtimer2);
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#endif //BSP_USING_HWTIMER2
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#ifdef BSP_USING_HWTIMER3
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hwtimer3.hwtimer_periph = TIMR3;
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hwtimer3.parent.info = &swm320_hwtimer_info;
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hwtimer3.parent.ops = &swm320_hwtimer_ops;
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ret = rt_device_hwtimer_register(&hwtimer3.parent, "timer3", &hwtimer3);
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#endif //BSP_USING_HWTIMER3
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#ifdef BSP_USING_HWTIMER4
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hwtimer4.hwtimer_periph = TIMR4;
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hwtimer4.parent.info = &swm320_hwtimer_info;
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hwtimer4.parent.ops = &swm320_hwtimer_ops;
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ret = rt_device_hwtimer_register(&hwtimer4.parent, "timer4", &hwtimer4);
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#endif //BSP_USING_HWTIMER4
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#ifdef BSP_USING_HWTIMER5
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hwtimer5.hwtimer_periph = TIMR5;
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hwtimer5.parent.info = &swm320_hwtimer_info;
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hwtimer5.parent.ops = &swm320_hwtimer_ops;
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ret = rt_device_hwtimer_register(&hwtimer5.parent, "timer5", &hwtimer5);
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#endif //BSP_USING_HWTIMER5
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return ret;
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}
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INIT_BOARD_EXPORT(rt_hw_hwtimer_init);
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