[bsp/es32f0334] add hwtimer driver

This commit is contained in:
wangyq2018 2019-03-21 17:12:53 +08:00
parent f1ba61e413
commit ed7ace9b92
7 changed files with 306 additions and 1 deletions

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@ -344,6 +344,14 @@ CONFIG_BSP_USING_UART1=y
# CONFIG_BSP_USING_PWM2 is not set
# CONFIG_BSP_USING_PWM3 is not set
#
# HWtimer Drivers
#
# CONFIG_BSP_USING_HWTIMER0 is not set
# CONFIG_BSP_USING_HWTIMER1 is not set
# CONFIG_BSP_USING_HWTIMER2 is not set
# CONFIG_BSP_USING_HWTIMER3 is not set
#
# Onboard Peripheral Drivers
#

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@ -42,6 +42,7 @@ ES-PDS-ES32F0334-V1.1
| SPI | 支持 | SPI0/1 |
| I2C | 支持 | I2C0/1 |
| PWM | 支持 | PWM0/1/2/3 |
| TIMER | 支持 | TIMER0/1/2/3 |
更多详细信息请咨询[上海东软载波微电子技术支持](http://www.essemi.com/)

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@ -65,6 +65,29 @@ menu "Hardware Drivers Config"
select RT_USING_PWM
default n
endmenu
menu "HWtimer Drivers"
config BSP_USING_HWTIMER0
bool "Using timer0"
select RT_USING_HWTIMER
default n
config BSP_USING_HWTIMER1
bool "Using timer1"
select RT_USING_HWTIMER
default n
config BSP_USING_HWTIMER2
bool "Using timer2"
select RT_USING_HWTIMER
default n
config BSP_USING_HWTIMER3
bool "Using timer3"
select RT_USING_HWTIMER
default n
endmenu
endmenu
menu "Onboard Peripheral Drivers"

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@ -31,6 +31,10 @@ if GetDepend('BSP_USING_SPI_FLASH'):
if GetDepend('BSP_USING_PWM0') or GetDepend('BSP_USING_PWM1') or GetDepend('BSP_USING_PWM2') or GetDepend('BSP_USING_PWM3'):
src += ['drv_pwm.c']
# add hwtimer driver code
if GetDepend('BSP_USING_HWTIMER0') or GetDepend('BSP_USING_HWTIMER1') or GetDepend('BSP_USING_HWTIMER2') or GetDepend('BSP_USING_HWTIMER3'):
src += ['drv_hwtimer.c']
CPPPATH = [cwd]
group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)

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@ -0,0 +1,250 @@
/*
* Copyright (C) 2018 Shanghai Eastsoft Microelectronics Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-3-19 wangyq the first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <drv_hwtimer.h>
#include <board.h>
#include <ald_cmu.h>
#include <ald_timer.h>
#ifdef RT_USING_HWTIMER
struct es32f0_hwtimer_dev
{
rt_hwtimer_t parent;
timer_handle_t *hwtimer_periph;
IRQn_Type IRQn;
};
#ifdef BSP_USING_HWTIMER0
static struct es32f0_hwtimer_dev hwtimer0;
void BS16T0_Handler(void)
{
timer_clear_flag_status(hwtimer0.hwtimer_periph, TIMER_FLAG_UPDATE);
rt_device_hwtimer_isr(&hwtimer0.parent);
if (HWTIMER_MODE_ONESHOT == hwtimer0.parent.mode)
{
timer_base_stop(hwtimer0.hwtimer_periph);
}
}
#endif
#ifdef BSP_USING_HWTIMER1
static struct es32f0_hwtimer_dev hwtimer1;
void BS16T1_UART2_Handler(void)
{
if (timer_get_it_status(hwtimer1.hwtimer_periph, TIMER_IT_UPDATE) &&
timer_get_flag_status(hwtimer1.hwtimer_periph, TIMER_FLAG_UPDATE))
{
timer_clear_flag_status(hwtimer1.hwtimer_periph, TIMER_FLAG_UPDATE);
rt_device_hwtimer_isr(&hwtimer1.parent);
if (HWTIMER_MODE_ONESHOT == hwtimer1.parent.mode)
{
timer_base_stop(hwtimer1.hwtimer_periph);
}
}
}
#endif
#ifdef BSP_USING_HWTIMER2
static struct es32f0_hwtimer_dev hwtimer2;
void BS16T2_UART3_Handler(void)
{
if (timer_get_it_status(hwtimer2.hwtimer_periph, TIMER_IT_UPDATE) &&
timer_get_flag_status(hwtimer2.hwtimer_periph, TIMER_FLAG_UPDATE))
{
timer_clear_flag_status(hwtimer2.hwtimer_periph, TIMER_FLAG_UPDATE);
rt_device_hwtimer_isr(&hwtimer2.parent);
if (HWTIMER_MODE_ONESHOT == hwtimer2.parent.mode)
{
timer_base_stop(hwtimer2.hwtimer_periph);
}
}
}
#endif
#ifdef BSP_USING_HWTIMER3
static struct es32f0_hwtimer_dev hwtimer3;
/* can not use when DAC0 Handler is enabled */
void BS16T3_DAC0_Handler(void)
{
/* if BS16T3 it */
if (timer_get_it_status(hwtimer3.hwtimer_periph, TIMER_IT_UPDATE) &&
timer_get_flag_status(hwtimer3.hwtimer_periph, TIMER_FLAG_UPDATE))
{
timer_clear_flag_status(hwtimer3.hwtimer_periph, TIMER_FLAG_UPDATE);
rt_device_hwtimer_isr(&hwtimer3.parent);
if (HWTIMER_MODE_ONESHOT == hwtimer3.parent.mode)
{
timer_base_stop(hwtimer3.hwtimer_periph);
}
}
}
#endif
static struct rt_hwtimer_info es32f0_hwtimer_info =
{
48000000, /* maximum count frequency */
1, /* minimum count frequency */
65535, /* counter maximum value */
HWTIMER_CNTMODE_UP
};
static void es32f0_hwtimer_init(rt_hwtimer_t *timer, rt_uint32_t state)
{
struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
RT_ASSERT(hwtimer != RT_NULL);
if (1 == state)
{
timer_base_init(hwtimer->hwtimer_periph);
timer_interrupt_config(hwtimer->hwtimer_periph, TIMER_IT_UPDATE, ENABLE);
NVIC_EnableIRQ(hwtimer->IRQn);
}
hwtimer->parent.freq = cmu_get_pclk1_clock();
es32f0_hwtimer_info.maxfreq = cmu_get_pclk1_clock();
es32f0_hwtimer_info.minfreq = cmu_get_pclk1_clock();
}
static rt_err_t es32f0_hwtimer_start(rt_hwtimer_t *timer,
rt_uint32_t cnt,
rt_hwtimer_mode_t mode)
{
struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
RT_ASSERT(hwtimer != RT_NULL);
WRITE_REG(hwtimer->hwtimer_periph->perh->AR, cnt);
timer_base_start(hwtimer->hwtimer_periph);
return RT_EOK;
}
static void es32f0_hwtimer_stop(rt_hwtimer_t *timer)
{
struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
RT_ASSERT(hwtimer != RT_NULL);
timer_base_stop(hwtimer->hwtimer_periph);
}
static rt_uint32_t es32f0_hwtimer_count_get(rt_hwtimer_t *timer)
{
struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
uint32_t hwtimer_count = 0;
RT_ASSERT(hwtimer != RT_NULL);
hwtimer_count = READ_REG(hwtimer->hwtimer_periph->perh->COUNT);
return hwtimer_count;
}
static rt_err_t es32f0_hwtimer_control(rt_hwtimer_t *timer,
rt_uint32_t cmd,
void *args)
{
rt_err_t ret = RT_EOK;
rt_uint32_t freq = 0;
struct es32f0_hwtimer_dev *hwtimer = (struct es32f0_hwtimer_dev *)timer->parent.user_data;
RT_ASSERT(hwtimer != RT_NULL);
switch (cmd)
{
case HWTIMER_CTRL_FREQ_SET:
freq = *(rt_uint32_t *)args;
if (freq != cmu_get_pclk1_clock())
{
ret = -RT_ERROR;
}
break;
case HWTIMER_CTRL_STOP:
timer_base_stop(hwtimer->hwtimer_periph);
break;
default:
ret = RT_EINVAL;
break;
}
return ret;
}
static struct rt_hwtimer_ops es32f0_hwtimer_ops =
{
es32f0_hwtimer_init,
es32f0_hwtimer_start,
es32f0_hwtimer_stop,
es32f0_hwtimer_count_get,
es32f0_hwtimer_control
};
int rt_hw_hwtimer_init(void)
{
rt_err_t ret = RT_EOK;
#ifdef BSP_USING_HWTIMER0
static timer_handle_t _hwtimer_periph0;
_hwtimer_periph0.perh = BS16T0;
hwtimer0.IRQn = BS16T0_IRQn;
hwtimer0.hwtimer_periph = &_hwtimer_periph0;
hwtimer0.parent.info = &es32f0_hwtimer_info;
hwtimer0.parent.ops = &es32f0_hwtimer_ops;
ret = rt_device_hwtimer_register(&hwtimer0.parent, "timer0", &hwtimer0);
#endif
#ifdef BSP_USING_HWTIMER1
static timer_handle_t _hwtimer_periph1;
_hwtimer_periph1.perh = BS16T1;
hwtimer1.IRQn = BS16T1_UART2_IRQn;
hwtimer1.hwtimer_periph = &_hwtimer_periph1;
hwtimer1.parent.info = &es32f0_hwtimer_info;
hwtimer1.parent.ops = &es32f0_hwtimer_ops;
ret = rt_device_hwtimer_register(&hwtimer1.parent, "timer1", &hwtimer1);
#endif
#ifdef BSP_USING_HWTIMER2
static timer_handle_t _hwtimer_periph2;
_hwtimer_periph2.perh = BS16T2;
hwtimer2.IRQn = BS16T2_UART3_IRQn;
hwtimer2.hwtimer_periph = &_hwtimer_periph2;
hwtimer2.parent.info = &es32f0_hwtimer_info;
hwtimer2.parent.ops = &es32f0_hwtimer_ops;
ret = rt_device_hwtimer_register(&hwtimer2.parent, "timer2", &hwtimer2);
#endif
#ifdef BSP_USING_HWTIMER3
static timer_handle_t _hwtimer_periph3;
_hwtimer_periph3.perh = BS16T3;
hwtimer3.IRQn = BS16T3_DAC0_IRQn;
hwtimer3.hwtimer_periph = &_hwtimer_periph3;
hwtimer3.parent.info = &es32f0_hwtimer_info;
hwtimer3.parent.ops = &es32f0_hwtimer_ops;
ret = rt_device_hwtimer_register(&hwtimer3.parent, "timer3", &hwtimer3);
#endif
return ret;
}
INIT_BOARD_EXPORT(rt_hw_hwtimer_init);
#endif

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@ -0,0 +1,16 @@
/*
* Copyright (C) 2018 Shanghai Eastsoft Microelectronics Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-3-19 wangyq the first version
*/
#ifndef DRV_HWTIMER_H__
#define DRV_HWTIMER_H__
int rt_hw_hwtimer_init(void);
#endif

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@ -172,6 +172,9 @@
/* PWM Drivers */
/* HWtimer Drivers */
/* Onboard Peripheral Drivers */