[bsp][ch32v307]添加了pwm驱动 (#6519)

* [bsp][ch32v307]添加了 pwm 驱动
This commit is contained in:
hg0720 2022-10-17 08:14:08 +08:00 committed by GitHub
parent 1d77744a37
commit fddc522d9c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 796 additions and 4 deletions

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@ -30,6 +30,9 @@ if GetDepend('SOC_RISCV_FAMILY_CH32'):
if GetDepend('BSP_USING_CAN'):
src += ['drv_can.c']
if GetDepend('BSP_USING_PWM'):
src += ['drv_pwm.c']
group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path)
Return('group')

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@ -0,0 +1,628 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-09-23 charlown first version
* 2022-10-14 hg0720 the first version which add from wch
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <drivers/rt_drv_pwm.h>
#include <drivers/hwtimer.h>
#include <board.h>
#ifdef BSP_USING_PWM
#define LOG_TAG "drv.pwm"
#include <drv_log.h>
#ifndef ITEM_NUM
#define ITEM_NUM(items) sizeof(items) / sizeof(items[0])
#endif
#define MAX_COUNTER 65535
#define MIN_COUNTER 2
#define MIN_PULSE 2
struct rtdevice_pwm_device
{
struct rt_device_pwm parent;
TIM_TypeDef* periph;
rt_uint8_t channel[4];
char* name;
};
void ch32_tim_clock_init(TIM_TypeDef* timx)
{
if (timx == TIM1)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
}
if (timx == TIM2)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
}
if (timx == TIM3)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
}
if (timx == TIM4)
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
}
}
rt_uint32_t ch32_tim_clock_get(TIM_TypeDef* timx)
{
RCC_ClocksTypeDef RCC_Clocks;
RCC_GetClocksFreq(&RCC_Clocks);
/*tim1~4 all in HCLK*/
return RCC_Clocks.HCLK_Frequency;
}
struct rt_hwtimer_info hwtimer_info1 =
{
.maxfreq = 1000000,
.minfreq = 2000,
.maxcnt = 0xFFFF,
.cntmode = HWTIMER_CNTMODE_UP,
};
struct rt_hwtimer_info hwtimer_info2 =
{
.maxfreq = 1000000,
.minfreq = 2000,
.maxcnt = 0xFFFF,
.cntmode = HWTIMER_CNTMODE_UP,
};
struct rt_hwtimer_info hwtimer_info3 =
{
.maxfreq = 1000000,
.minfreq = 2000,
.maxcnt = 0xFFFF,
.cntmode = HWTIMER_CNTMODE_UP,
};
struct rt_hwtimer_info hwtimer_info4 =
{
.maxfreq = 1000000,
.minfreq = 2000,
.maxcnt = 0xFFFF,
.cntmode = HWTIMER_CNTMODE_UP,
};
struct rt_hwtimer_info* ch32_hwtimer_info_config_get(TIM_TypeDef* timx)
{
struct rt_hwtimer_info* info = RT_NULL;
if (timx == TIM1)
{
info = &hwtimer_info1;
}
else if (timx == TIM2)
{
info = &hwtimer_info2;
}
else if (timx == TIM3)
{
info = &hwtimer_info3;
}
else if (timx == TIM4)
{
info = &hwtimer_info4;
}
return info;
}
void ch32_pwm_io_init(TIM_TypeDef* timx, rt_uint8_t channel)
{
GPIO_InitTypeDef GPIO_InitStructure;
if (timx == TIM1)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
if (channel == TIM_Channel_1)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
if (channel == TIM_Channel_2)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
if (channel == TIM_Channel_3)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
if (channel == TIM_Channel_4)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
}
if (timx == TIM2)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
if (channel == TIM_Channel_1)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
if (channel == TIM_Channel_2)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
if (channel == TIM_Channel_3)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
if (channel == TIM_Channel_4)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
}
if (timx == TIM3)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
if (channel == TIM_Channel_1)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
if (channel == TIM_Channel_2)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
if (channel == TIM_Channel_3)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
if (channel == TIM_Channel_4)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
}
if (timx == TIM4)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
if (channel == TIM_Channel_1)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
if (channel == TIM_Channel_2)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
if (channel == TIM_Channel_3)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
if (channel == TIM_Channel_4)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
}
}
/*
* channel = 0xFF: the channel is not use.
*/
struct rtdevice_pwm_device pwm_device_list[] =
{
#ifdef BSP_USING_TIM1_PWM
{
.periph = TIM1,
.name = "pwm1",
#ifdef BSP_USING_TIM1_PWM_CH1
.channel[0] = TIM_Channel_1,
#else
.channel[0] = 0xFF,
#endif
#ifdef BSP_USING_TIM1_PWM_CH2
.channel[1] = TIM_Channel_2,
#else
.channel[1] = 0xFF,
#endif
#ifdef BSP_USING_TIM1_PWM_CH3
.channel[2] = TIM_Channel_3,
#else
.channel[2] = 0xFF,
#endif
#ifdef BSP_USING_TIM1_PWM_CH4
.channel[3] = TIM_Channel_4,
#else
.channel[3] = 0xFF,
#endif
},
#endif /* BSP_USING_TIM1_PWM */
#ifdef BSP_USING_TIM2_PWM
{
.periph = TIM2,
.name = "pwm2",
#ifdef BSP_USING_TIM2_PWM_CH1
.channel[0] = TIM_Channel_1,
#else
.channel[0] = 0xFF,
#endif
#ifdef BSP_USING_TIM2_PWM_CH2
.channel[1] = TIM_Channel_2,
#else
.channel[1] = 0xFF,
#endif
#ifdef BSP_USING_TIM2_PWM_CH3
.channel[2] = TIM_Channel_3,
#else
.channel[2] = 0xFF,
#endif
#ifdef BSP_USING_TIM2_PWM_CH4
.channel[3] = TIM_Channel_4,
#else
.channel[3] = 0xFF,
#endif
},
#endif /* BSP_USING_TIM2_PWM */
#ifdef BSP_USING_TIM3_PWM
{
.periph = TIM3,
.name = "pwm3",
#ifdef BSP_USING_TIM3_PWM_CH1
.channel[0] = TIM_Channel_1,
#else
.channel[0] = 0xFF,
#endif
#ifdef BSP_USING_TIM3_PWM_CH2
.channel[1] = TIM_Channel_2,
#else
.channel[1] = 0xFF,
#endif
#ifdef BSP_USING_TIM3_PWM_CH3
.channel[2] = TIM_Channel_3,
#else
.channel[2] = 0xFF,
#endif
#ifdef BSP_USING_TIM3_PWM_CH4
.channel[3] = TIM_Channel_4,
#else
.channel[3] = 0xFF,
#endif
},
#endif /* BSP_USING_TIM3_PWM */
#ifdef BSP_USING_TIM4_PWM
{
.periph = TIM4,
.name = "pwm4",
#ifdef BSP_USING_TIM4_PWM_CH1
.channel[0] = TIM_Channel_1,
#else
.channel[0] = 0xFF,
#endif
#ifdef BSP_USING_TIM4_PWM_CH2
.channel[1] = TIM_Channel_2,
#else
.channel[1] = 0xFF,
#endif
#ifdef BSP_USING_TIM4_PWM_CH3
.channel[2] = TIM_Channel_3,
#else
.channel[2] = 0xFF,
#endif
#ifdef BSP_USING_TIM4_PWM_CH4
.channel[3] = TIM_Channel_4,
#else
.channel[3] = 0xFF,
#endif
},
#endif /* BSP_USING_TIM4_PWM */
};
static rt_err_t ch32_pwm_device_enable(struct rt_device_pwm* device, struct rt_pwm_configuration* configuration, rt_bool_t enable)
{
struct rtdevice_pwm_device* pwm_device;
rt_uint32_t channel_index;
rt_uint16_t ccx_state;
pwm_device = (struct rtdevice_pwm_device*)device;
channel_index = configuration->channel;
if (enable == RT_TRUE)
{
ccx_state = TIM_CCx_Enable;
}
else
{
ccx_state = TIM_CCx_Disable;
}
if (channel_index <= 4 && channel_index > 0)
{
if (pwm_device->channel[channel_index - 1] == 0xFF)
{
return RT_EINVAL;
}
TIM_CCxCmd(pwm_device->periph, pwm_device->channel[channel_index - 1], ccx_state);
}
else
{
return RT_EINVAL;
}
TIM_Cmd(pwm_device->periph, ENABLE);
return RT_EOK;
}
static rt_err_t ch32_pwm_device_get(struct rt_device_pwm* device, struct rt_pwm_configuration* configuration)
{
struct rtdevice_pwm_device* pwm_device;
rt_uint32_t arr_counter, ccr_counter, prescaler, sample_freq;
rt_uint32_t channel_index;
rt_uint32_t tim_clock;
pwm_device = (struct rtdevice_pwm_device*)device;
tim_clock = ch32_tim_clock_get(pwm_device->periph);
channel_index = configuration->channel;
arr_counter = pwm_device->periph->ATRLR + 1;
prescaler = pwm_device->periph->PSC + 1;
sample_freq = (tim_clock / prescaler) / arr_counter;
/* unit:ns */
configuration->period = 1000000000 / sample_freq;
if (channel_index == 1)
{
ccr_counter = pwm_device->periph->CH1CVR + 1;
configuration->pulse = ((ccr_counter * 100) / arr_counter) * configuration->period / 100;
}
else if (channel_index == 2)
{
ccr_counter = pwm_device->periph->CH2CVR + 1;
configuration->pulse = ((ccr_counter * 100) / arr_counter) * configuration->period / 100;
}
else if (channel_index == 3)
{
ccr_counter = pwm_device->periph->CH3CVR + 1;
configuration->pulse = ((ccr_counter * 100) / arr_counter) * configuration->period / 100;
}
else if (channel_index == 4)
{
ccr_counter = pwm_device->periph->CH4CVR + 1;
configuration->pulse = ((ccr_counter * 100) / arr_counter) * configuration->period / 100;
}
else
{
return RT_EINVAL;
}
return RT_EOK;
}
static rt_err_t ch32_pwm_device_set(struct rt_device_pwm* device, struct rt_pwm_configuration* configuration)
{
struct rtdevice_pwm_device* pwm_device;
rt_uint32_t arr_counter, ccr_counter, prescaler, sample_freq;
rt_uint32_t channel_index;
rt_uint32_t tim_clock;
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitType;
TIM_OCInitTypeDef TIM_OCInitType;
pwm_device = (struct rtdevice_pwm_device*)device;
tim_clock = ch32_tim_clock_get(pwm_device->periph);
channel_index = configuration->channel;
/* change to freq, unit:Hz */
sample_freq = 1000000000 / configuration->period;
/* counter = (tim_clk / prescaler) / sample_freq */
/* normally, tim_clk is not need div, if arr_counter over 65536, need div. */
prescaler = 1;
arr_counter = (tim_clock / prescaler) / sample_freq;
if (arr_counter > MAX_COUNTER)
{
/* need div tim_clock
* and round up the prescaler value.
* (tim_clock >> 16) = tim_clock / 65536
*/
if ((tim_clock >> 16) % sample_freq == 0)
prescaler = (tim_clock >> 16) / sample_freq;
else
prescaler = (tim_clock >> 16) / sample_freq + 1;
/* counter = (tim_clk / prescaler) / sample_freq */
arr_counter = (tim_clock / prescaler) / sample_freq;
}
/* ccr_counter = duty cycle * arr_counter */
ccr_counter = (configuration->pulse * 100 / configuration->period) * arr_counter / 100;
/* check arr_counter > 1, cxx_counter > 1 */
if (arr_counter < MIN_COUNTER)
{
arr_counter = MIN_COUNTER;
}
if (ccr_counter < MIN_PULSE)
{
ccr_counter = MIN_PULSE;
}
/* TMRe base configuration */
TIM_TimeBaseStructInit(&TIM_TimeBaseInitType);
TIM_TimeBaseInitType.TIM_Period = arr_counter - 1;
TIM_TimeBaseInitType.TIM_Prescaler = prescaler - 1;
TIM_TimeBaseInitType.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseInitType.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(pwm_device->periph, &TIM_TimeBaseInitType);
TIM_OCStructInit(&TIM_OCInitType);
TIM_OCInitType.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitType.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitType.TIM_Pulse = ccr_counter - 1;
TIM_OCInitType.TIM_OCPolarity = TIM_OCPolarity_High;
if (channel_index == 1)
{
TIM_OC1Init(pwm_device->periph, &TIM_OCInitType);
TIM_OC1PreloadConfig(pwm_device->periph, TIM_OCPreload_Disable);
}
else if (channel_index == 2)
{
TIM_OC2Init(pwm_device->periph, &TIM_OCInitType);
TIM_OC2PreloadConfig(pwm_device->periph, TIM_OCPreload_Disable);
}
else if (channel_index == 3)
{
TIM_OC3Init(pwm_device->periph, &TIM_OCInitType);
TIM_OC3PreloadConfig(pwm_device->periph, TIM_OCPreload_Disable);
}
else if (channel_index == 4)
{
TIM_OC4Init(pwm_device->periph, &TIM_OCInitType);
TIM_OC4PreloadConfig(pwm_device->periph, TIM_OCPreload_Disable);
}
else
{
return RT_EINVAL;
}
TIM_ARRPreloadConfig(pwm_device->periph, ENABLE);
TIM_CtrlPWMOutputs(pwm_device->periph, ENABLE);
return RT_EOK;
}
static rt_err_t drv_pwm_control(struct rt_device_pwm* device, int cmd, void* arg)
{
struct rt_pwm_configuration* configuration;
configuration = (struct rt_pwm_configuration*)arg;
switch (cmd)
{
case PWM_CMD_ENABLE:
return ch32_pwm_device_enable(device, configuration, RT_TRUE);
case PWM_CMD_DISABLE:
return ch32_pwm_device_enable(device, configuration, RT_FALSE);
case PWM_CMD_SET:
return ch32_pwm_device_set(device, configuration);
case PWM_CMD_GET:
return ch32_pwm_device_get(device, configuration);
default:
return RT_EINVAL;
}
}
static struct rt_pwm_ops pwm_ops =
{
.control = drv_pwm_control
};
static int rt_hw_pwm_init(void)
{
int result = RT_EOK;
int index = 0;
int channel_index;
for (index = 0; index < ITEM_NUM(pwm_device_list); index++)
{
ch32_tim_clock_init(pwm_device_list[index].periph);
for (channel_index = 0; channel_index < sizeof(pwm_device_list[index].channel); channel_index++)
{
if (pwm_device_list[index].channel[channel_index] != 0xFF)
{
ch32_pwm_io_init(pwm_device_list[index].periph, pwm_device_list[index].channel[channel_index]);
}
}
if (rt_device_pwm_register(&pwm_device_list[index].parent, pwm_device_list[index].name, &pwm_ops, RT_NULL) == RT_EOK)
{
LOG_D("%s register success", pwm_device_list[index].name);
}
else
{
LOG_D("%s register failed", pwm_device_list[index].name);
result = -RT_ERROR;
}
}
return result;
}
INIT_BOARD_EXPORT(rt_hw_pwm_init);
#endif /* BSP_USING_PWM */

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@ -137,10 +137,10 @@ menu "On-chip Peripheral Drivers"
default n
if BSP_USING_RTC
config BSP_USING_RTC_LSI
bool "using LSI clock for rtc, if not, LSE default"
select LSI_VALUE
default n
config BSP_USING_RTC_LSI
bool "using LSI clock for rtc, if not, LSE default"
select LSI_VALUE
default n
endif
config LSI_VALUE
@ -165,6 +165,167 @@ menu "On-chip Peripheral Drivers"
bool "using CAN2"
default n
endif
config BSP_USING_TIM
bool "using TIMx"
default n
if BSP_USING_TIM
config BSP_USING_HWTIMER
bool
select RT_USING_HWTIMER
default n
config BSP_USING_PWM
bool
select RT_USING_PWM
default n
config BSP_USING_TIM1
bool "using TIM1"
default n
if BSP_USING_TIM1
choice
prompt "using TIM1 as hwtimer or PWM mode"
default BSP_USING_TIM1_HWTIMER
config BSP_USING_TIM1_HWTIMER
bool "using TIM1 as hwtimer mode"
select BSP_USING_HWTIMER
config BSP_USING_TIM1_PWM
bool "using TIM1 as PWM mode"
select BSP_USING_PWM
endchoice
if BSP_USING_TIM1_PWM
config BSP_USING_TIM1_PWM_CH1
bool "using TIM1 channel 1"
default n
config BSP_USING_TIM1_PWM_CH2
bool "using TIM1 channel 2"
default n
config BSP_USING_TIM1_PWM_CH3
bool "using TIM1 channel 3"
config BSP_USING_TIM1_PWM_CH4
bool "using TIM1 channel 4"
endif
endif
config BSP_USING_TIM2
bool "using TIM2"
default n
if BSP_USING_TIM2
choice
prompt "using TIM2 as hwtimer or PWM mode"
default BSP_USING_TIM2_HWTIMER
config BSP_USING_TIM2_HWTIMER
bool "using TIM2 as hwtimer mode"
select BSP_USING_HWTIMER
config BSP_USING_TIM2_PWM
bool "using TIM2 as PWM mode"
select BSP_USING_PWM
endchoice
if BSP_USING_TIM2_PWM
config BSP_USING_TIM2_PWM_CH1
bool "using TIM2 channel 1"
default n
config BSP_USING_TIM2_PWM_CH2
bool "using TIM2 channel 2"
default n
config BSP_USING_TIM2_PWM_CH3
bool "using TIM2 channel 3"
config BSP_USING_TIM2_PWM_CH4
bool "using TIM2 channel 4"
endif
endif
config BSP_USING_TIM3
bool "using TIM3"
default n
if BSP_USING_TIM3
choice
prompt "using TIM3 as hwtimer or PWM mode"
default BSP_USING_TIM3_HWTIMER
config BSP_USING_TIM3_HWTIMER
bool "using TIM3 as hwtimer mode"
select BSP_USING_HWTIMER
config BSP_USING_TIM3_PWM
bool "using TIM3 as PWM mode"
select BSP_USING_PWM
endchoice
if BSP_USING_TIM3_PWM
config BSP_USING_TIM3_PWM_CH1
bool "using TIM3 channel 1"
default n
config BSP_USING_TIM3_PWM_CH2
bool "using TIM3 channel 2"
default n
config BSP_USING_TIM3_PWM_CH3
bool "using TIM3 channel 3"
config BSP_USING_TIM3_PWM_CH4
bool "using TIM3 channel 4"
endif
endif
config BSP_USING_TIM4
bool "using TIM4"
default n
if BSP_USING_TIM4
choice
prompt "using TIM4 as hwtimer or PWM mode"
default BSP_USING_TIM4_HWTIMER
config BSP_USING_TIM4_HWTIMER
bool "using TIM4 as hwtimer mode"
select BSP_USING_HWTIMER
config BSP_USING_TIM4_PWM
bool "using TIM4 as PWM mode"
select BSP_USING_PWM
endchoice
if BSP_USING_TIM4_PWM
config BSP_USING_TIM4_PWM_CH1
bool "using TIM4 channel 1"
default n
config BSP_USING_TIM4_PWM_CH2
bool "using TIM4 channel 2"
default n
config BSP_USING_TIM4_PWM_CH3
bool "using TIM4 channel 3"
config BSP_USING_TIM4_PWM_CH4
bool "using TIM4 channel 4"
endif
endif
endif
endmenu