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perf: improve pwm driver 

1. add tim1/2/3/4/5/8 pwm driver and test pass by self.
This commit is contained in:
192.168.1.134 2021-11-11 15:55:40 +08:00
parent d573f6f646
commit afe82549a8
7 changed files with 258 additions and 172 deletions
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1
bsp/n32g452xx/Libraries/rt_drivers/drv_flash.c
View File

@ -8,6 +8,7 @@
* 2021-08-20 breo.com first version
*/
#include <stddef.h>
#include <board.h>
#include <rtthread.h>

195
bsp/n32g452xx/Libraries/rt_drivers/drv_pwm.c
View File

@ -5,51 +5,94 @@
*
* Change Logs:
* Date Author Notes
* 2020-1-13 Leo first version
* 2021-11-11 breo.com first version
*/
#include <board.h>
#include "drv_pwm.h"
#ifdef RT_USING_PWM
#if !defined(BSP_USING_TIM3_CH1) && !defined(BSP_USING_TIM3_CH2) && \
!defined(BSP_USING_TIM3_CH3) && !defined(BSP_USING_TIM3_CH4)
#if !defined(BSP_USING_TIM1_CH1) && !defined(BSP_USING_TIM1_CH2) && \
!defined(BSP_USING_TIM1_CH3) && !defined(BSP_USING_TIM1_CH4) && \
!defined(BSP_USING_TIM2_CH1) && !defined(BSP_USING_TIM2_CH2) && \
!defined(BSP_USING_TIM2_CH3) && !defined(BSP_USING_TIM2_CH4) && \
!defined(BSP_USING_TIM3_CH1) && !defined(BSP_USING_TIM3_CH2) && \
!defined(BSP_USING_TIM3_CH3) && !defined(BSP_USING_TIM3_CH4) && \
!defined(BSP_USING_TIM4_CH1) && !defined(BSP_USING_TIM4_CH2) && \
!defined(BSP_USING_TIM4_CH3) && !defined(BSP_USING_TIM4_CH4) && \
!defined(BSP_USING_TIM5_CH1) && !defined(BSP_USING_TIM5_CH2) && \
!defined(BSP_USING_TIM5_CH3) && !defined(BSP_USING_TIM5_CH4) && \
!defined(BSP_USING_TIM8_CH1) && !defined(BSP_USING_TIM8_CH2) && \
!defined(BSP_USING_TIM8_CH3) && !defined(BSP_USING_TIM8_CH4)
#error "Please define at least one BSP_USING_TIMx_CHx"
#endif
#endif /* RT_USING_PWM */
#define DRV_DEBUG
#define LOG_TAG "drv.pwm"
#include <drv_log.h>
#define MAX_PERIOD 65535
struct rt_device_pwm pwm_device;
#ifdef BSP_USING_PWM
struct n32_pwm
{
struct rt_device_pwm pwm_device;
TIM_Module *tim_handle;
rt_uint8_t channel;
char *name;
const char *name;
struct rt_device_pwm pwm_device;
int8_t tim_en;
uint8_t ch_en;
uint32_t period;
uint32_t psc;
};
static struct n32_pwm n32_pwm_obj[] =
{
#ifdef BSP_USING_TIM3_CH1
PWM1_TIM3_CONFIG,
#if defined(BSP_USING_TIM1_CH1) || defined(BSP_USING_TIM1_CH2) || \
defined(BSP_USING_TIM1_CH3) || defined(BSP_USING_TIM1_CH4)
{
.tim_handle = TIM1,
.name = "tim1pwm",
},
#endif
#ifdef BSP_USING_TIM3_CH2
PWM2_TIM3_CONFIG,
#if defined(BSP_USING_TIM2_CH1) || defined(BSP_USING_TIM2_CH2) || \
defined(BSP_USING_TIM2_CH3) || defined(BSP_USING_TIM2_CH4)
{
.tim_handle = TIM2,
.name = "tim2pwm",
},
#endif
#ifdef BSP_USING_TIM3_CH3
PWM3_TIM3_CONFIG,
#if defined(BSP_USING_TIM3_CH1) || defined(BSP_USING_TIM3_CH2) || \
defined(BSP_USING_TIM3_CH3) || defined(BSP_USING_TIM3_CH4)
{
.tim_handle = TIM3,
.name = "tim3pwm",
},
#endif
#ifdef BSP_USING_TIM3_CH4
PWM4_TIM3_CONFIG,
#if defined(BSP_USING_TIM4_CH1) || defined(BSP_USING_TIM4_CH2) || \
defined(BSP_USING_TIM4_CH3) || defined(BSP_USING_TIM4_CH4)
{
.tim_handle = TIM4,
.name = "tim4pwm",
},
#endif
#if defined(BSP_USING_TIM5_CH1) || defined(BSP_USING_TIM5_CH2) || \
defined(BSP_USING_TIM5_CH3) || defined(BSP_USING_TIM5_CH4)
{
.tim_handle = TIM5,
.name = "tim5pwm",
},
#endif
#if defined(BSP_USING_TIM8_CH1) || defined(BSP_USING_TIM8_CH2) || \
defined(BSP_USING_TIM8_CH3) || defined(BSP_USING_TIM8_CH4)
{
.tim_handle = TIM8,
.name = "tim8pwm",
}
#endif
};
static rt_err_t drv_pwm_control(struct rt_device_pwm *device, int cmd, void *arg);
@ -58,31 +101,22 @@ static struct rt_pwm_ops drv_ops =
drv_pwm_control
};
static rt_err_t drv_pwm_enable(TIM_Module *TIMx, struct rt_pwm_configuration *configuration, rt_bool_t enable)
static rt_err_t drv_pwm_enable(struct n32_pwm *pwm_dev, struct rt_pwm_configuration *configuration, rt_bool_t enable)
{
/* Get the value of channel */
rt_uint32_t channel = configuration->channel;
TIM_Module *TIMx = pwm_dev->tim_handle;
if (!enable)
if (enable)
{
if (channel == 1)
{
TIM_EnableCapCmpCh(TIMx, TIM_CH_1, TIM_CAP_CMP_DISABLE);
}
else if (channel == 2)
{
TIM_EnableCapCmpCh(TIMx, TIM_CH_2, TIM_CAP_CMP_DISABLE);
}
else if (channel == 3)
{
TIM_EnableCapCmpCh(TIMx, TIM_CH_3, TIM_CAP_CMP_DISABLE);
}
else if (channel == 4)
{
TIM_EnableCapCmpCh(TIMx, TIM_CH_4, TIM_CAP_CMP_DISABLE);
}
pwm_dev->ch_en |= 0x1 << channel;
}
else
{
pwm_dev->ch_en &= ~(0x1 << channel);
}
if (enable)
{
if (channel == 1)
{
@ -101,18 +135,47 @@ static rt_err_t drv_pwm_enable(TIM_Module *TIMx, struct rt_pwm_configuration *co
TIM_EnableCapCmpCh(TIMx, TIM_CH_4, TIM_CAP_CMP_ENABLE);
}
}
else
{
if (channel == 1)
{
TIM_EnableCapCmpCh(TIMx, TIM_CH_1, TIM_CAP_CMP_DISABLE);
}
else if (channel == 2)
{
TIM_EnableCapCmpCh(TIMx, TIM_CH_2, TIM_CAP_CMP_DISABLE);
}
else if (channel == 3)
{
TIM_EnableCapCmpCh(TIMx, TIM_CH_3, TIM_CAP_CMP_DISABLE);
}
else if (channel == 4)
{
TIM_EnableCapCmpCh(TIMx, TIM_CH_4, TIM_CAP_CMP_DISABLE);
}
}
TIM_Enable(TIMx, ENABLE);
if (pwm_dev->ch_en)
{
pwm_dev->tim_en = 0x1;
TIM_Enable(TIMx, ENABLE);
}
else
{
pwm_dev->tim_en = 0x0;
TIM_Enable(TIMx, DISABLE);
}
return RT_EOK;
}
static rt_err_t drv_pwm_get(TIM_Module *TIMx, struct rt_pwm_configuration *configuration)
static rt_err_t drv_pwm_get(struct n32_pwm *pwm_dev, struct rt_pwm_configuration *configuration)
{
RCC_ClocksType RCC_Clockstruct;
rt_uint32_t ar, div, cc1, cc2, cc3, cc4;
rt_uint32_t channel = configuration->channel;
rt_uint64_t tim_clock;
rt_uint32_t channel = configuration->channel;
TIM_Module *TIMx = pwm_dev->tim_handle;
ar = TIMx->AR;
div = TIMx->PSC;
@ -140,9 +203,13 @@ static rt_err_t drv_pwm_get(TIM_Module *TIMx, struct rt_pwm_configuration *confi
return RT_EOK;
}
static rt_err_t drv_pwm_set(TIM_Module *TIMx, struct rt_pwm_configuration *configuration)
static rt_err_t drv_pwm_set(struct n32_pwm *pwm_dev, struct rt_pwm_configuration *configuration)
{
TIM_Module *TIMx = pwm_dev->tim_handle;
rt_uint32_t channel = configuration->channel;
/* Init timer pin and enable clock */
void n32_msp_tim_init(void *Instance);
n32_msp_tim_init(TIMx);
RCC_ClocksType RCC_Clock;
@ -167,14 +234,17 @@ static rt_err_t drv_pwm_set(TIM_Module *TIMx, struct rt_pwm_configuration *confi
period = period / psc;
psc = psc * (input_clock / 1000000);
/* TIMe base configuration */
TIM_TimeBaseInitType TIM_TIMeBaseStructure;
TIM_InitTimBaseStruct(&TIM_TIMeBaseStructure);
TIM_TIMeBaseStructure.Period = period;
TIM_TIMeBaseStructure.Prescaler = psc - 1;
TIM_TIMeBaseStructure.ClkDiv = 0;
TIM_TIMeBaseStructure.CntMode = TIM_CNT_MODE_UP;
TIM_InitTimeBase(TIMx, &TIM_TIMeBaseStructure);
if ((pwm_dev->period != period) || (pwm_dev->psc != psc))
{
/* TIMe base configuration */
TIM_TimeBaseInitType TIM_TIMeBaseStructure;
TIM_InitTimBaseStruct(&TIM_TIMeBaseStructure);
TIM_TIMeBaseStructure.Period = period;
TIM_TIMeBaseStructure.Prescaler = psc - 1;
TIM_TIMeBaseStructure.ClkDiv = 0;
TIM_TIMeBaseStructure.CntMode = TIM_CNT_MODE_UP;
TIM_InitTimeBase(TIMx, &TIM_TIMeBaseStructure);
}
rt_uint32_t pulse = (unsigned long long)configuration->pulse;
/* PWM1 Mode configuration: Channel1 */
@ -185,26 +255,33 @@ static rt_err_t drv_pwm_set(TIM_Module *TIMx, struct rt_pwm_configuration *confi
TIM_OCInitStructure.Pulse = pulse;
TIM_OCInitStructure.OcPolarity = TIM_OC_POLARITY_HIGH;
rt_uint32_t channel = configuration->channel;
if (channel == 1)
{
TIM_InitOc1(TIMx, &TIM_OCInitStructure);
TIM_ConfigOc1Preload(TIMx, TIM_OC_PRE_LOAD_ENABLE);
if (!(pwm_dev->ch_en & (0x1 << channel)))
TIM_EnableCapCmpCh(TIMx, TIM_CH_1, TIM_CAP_CMP_DISABLE);
}
else if (channel == 2)
{
TIM_InitOc2(TIMx, &TIM_OCInitStructure);
TIM_ConfigOc2Preload(TIMx, TIM_OC_PRE_LOAD_ENABLE);
if (!(pwm_dev->ch_en & (0x1 << channel)))
TIM_EnableCapCmpCh(TIMx, TIM_CH_2, TIM_CAP_CMP_DISABLE);
}
else if (channel == 3)
{
TIM_InitOc3(TIMx, &TIM_OCInitStructure);
TIM_ConfigOc3Preload(TIMx, TIM_OC_PRE_LOAD_ENABLE);
if (!(pwm_dev->ch_en & (0x1 << channel)))
TIM_EnableCapCmpCh(TIMx, TIM_CH_3, TIM_CAP_CMP_DISABLE);
}
else if (channel == 4)
{
TIM_InitOc4(TIMx, &TIM_OCInitStructure);
TIM_ConfigOc4Preload(TIMx, TIM_OC_PRE_LOAD_ENABLE);
if (!(pwm_dev->ch_en & (0x1 << channel)))
TIM_EnableCapCmpCh(TIMx, TIM_CH_4, TIM_CAP_CMP_DISABLE);
}
TIM_ConfigArPreload(TIMx, ENABLE);
@ -216,18 +293,18 @@ static rt_err_t drv_pwm_set(TIM_Module *TIMx, struct rt_pwm_configuration *confi
static rt_err_t drv_pwm_control(struct rt_device_pwm *device, int cmd, void *arg)
{
struct rt_pwm_configuration *configuration = (struct rt_pwm_configuration *)arg;
TIM_Module *TIMx = (TIM_Module *)device->parent.user_data;
struct n32_pwm *pwm_dev = (struct n32_pwm *)(device->parent.user_data);
switch (cmd)
{
case PWM_CMD_ENABLE:
return drv_pwm_enable(TIMx, configuration, RT_TRUE);
return drv_pwm_enable(pwm_dev, configuration, RT_TRUE);
case PWM_CMD_DISABLE:
return drv_pwm_enable(TIMx, configuration, RT_FALSE);
return drv_pwm_enable(pwm_dev, configuration, RT_FALSE);
case PWM_CMD_SET:
return drv_pwm_set(TIMx, configuration);
return drv_pwm_set(pwm_dev, configuration);
case PWM_CMD_GET:
return drv_pwm_get(TIMx, configuration);
return drv_pwm_get(pwm_dev, configuration);
default:
return RT_EINVAL;
}
@ -240,13 +317,12 @@ static int rt_hw_pwm_init(void)
for (i = 0; i < sizeof(n32_pwm_obj) / sizeof(n32_pwm_obj[0]); i++)
{
if (rt_device_pwm_register(&n32_pwm_obj[i].pwm_device, n32_pwm_obj[i].name, &drv_ops, n32_pwm_obj[i].tim_handle) == RT_EOK)
if (rt_device_pwm_register(&n32_pwm_obj[i].pwm_device,
n32_pwm_obj[i].name, &drv_ops, &(n32_pwm_obj[i])) == RT_EOK)
{
LOG_D("%s register success", n32_pwm_obj[i].name);
}
else
{
LOG_D("%s register failed", n32_pwm_obj[i].name);
result = -RT_ERROR;
}
}
@ -254,3 +330,6 @@ static int rt_hw_pwm_init(void)
return result;
}
INIT_BOARD_EXPORT(rt_hw_pwm_init);
#endif

44
bsp/n32g452xx/Libraries/rt_drivers/drv_pwm.h
View File

@ -18,50 +18,6 @@
extern "C" {
#endif
#ifdef BSP_USING_TIM3_CH1
#ifndef PWM1_TIM3_CONFIG
#define PWM1_TIM3_CONFIG \
{ \
.tim_handle = TIM3, \
.name = "tim3pwm1", \
.channel = 1 \
}
#endif /* PWM1_TIM3_CONFIG */
#endif /* BSP_USING_TIM3_CH1 */
#ifdef BSP_USING_TIM3_CH2
#ifndef PWM2_TIM3_CONFIG
#define PWM2_TIM3_CONFIG \
{ \
.tim_handle = TIM3, \
.name = "tim3pwm2", \
.channel = 2 \
}
#endif /* PWM2_TIM3_CONFIG */
#endif /* BSP_USING_TIM3_CH2 */
#ifdef BSP_USING_TIM3_CH3
#ifndef PWM3_TIM3_CONFIG
#define PWM3_TIM3_CONFIG \
{ \
.tim_handle = TIM3, \
.name = "tim3pwm3", \
.channel = 3 \
}
#endif /* PWM3_TIM3_CONFIG */
#endif /* BSP_USING_TIM3_CH3 */
#ifdef BSP_USING_TIM3_CH4
#ifndef PWM4_TIM3_CONFIG
#define PWM4_TIM3_CONFIG \
{ \
.tim_handle = TIM3, \
.name = "tim3pwm4", \
.channel = 4 \
}
#endif /* PWM4_TIM3_CONFIG */
#endif /* BSP_USING_TIM3_CH4 */
#ifdef __cplusplus
}
#endif

7
bsp/n32g452xx/n32g452xx-mini-system/.config
View File

@ -591,12 +591,7 @@ CONFIG_BSP_USING_UART=y
CONFIG_BSP_USING_UART1=y
# CONFIG_BSP_USING_UART2 is not set
# CONFIG_BSP_USING_UART3 is not set
CONFIG_BSP_USING_PWM=y
CONFIG_BSP_USING_TIM3=y
CONFIG_BSP_USING_TIM3_CH1=y
CONFIG_BSP_USING_TIM3_CH2=y
CONFIG_BSP_USING_TIM3_CH3=y
CONFIG_BSP_USING_TIM3_CH4=y
# CONFIG_BSP_USING_PWM is not set
# CONFIG_BSP_USING_HWTIMER is not set
# CONFIG_BSP_USING_SPI is not set
# CONFIG_BSP_USING_I2C1 is not set

89
bsp/n32g452xx/n32g452xx-mini-system/board/Kconfig
View File

@ -56,10 +56,44 @@ menu "On-chip Peripheral Drivers"
default n
select RT_USING_PWM
if BSP_USING_PWM
menuconfig BSP_USING_TIM3
menuconfig BSP_USING_TIM1PWM
bool "Enable timer1 output PWM"
default n
if BSP_USING_TIM1PWM
config BSP_USING_TIM1_CH1
bool "Enable TIM1 channel1 PWM"
default n
config BSP_USING_TIM1_CH2
bool "Enable TIM1 channel2 PWM"
default n
config BSP_USING_TIM1_CH3
bool "Enable TIM1 channel3 PWM"
default n
config BSP_USING_TIM1_CH4
bool "Enable TIM1 channel4 PWM"
default n
endif
menuconfig BSP_USING_TIM2PWM
bool "Enable timer2 output PWM"
default n
if BSP_USING_TIM2PWM
config BSP_USING_TIM2_CH1
bool "Enable TIM2 channel1 PWM"
default n
config BSP_USING_TIM2_CH2
bool "Enable TIM2 channel2 PWM"
default n
config BSP_USING_TIM2_CH3
bool "Enable TIM2 channel3 PWM"
default n
config BSP_USING_TIM2_CH4
bool "Enable TIM2 channel4 PWM"
default n
endif
menuconfig BSP_USING_TIM3PWM
bool "Enable timer3 output PWM"
default n
if BSP_USING_TIM3
if BSP_USING_TIM3PWM
config BSP_USING_TIM3_CH1
bool "Enable TIM3 channel1 PWM"
default n
@ -73,6 +107,57 @@ menu "On-chip Peripheral Drivers"
bool "Enable TIM3 channel4 PWM"
default n
endif
menuconfig BSP_USING_TIM4PWM
bool "Enable timer4 output PWM"
default n
if BSP_USING_TIM4PWM
config BSP_USING_TIM4_CH1
bool "Enable TIM4 channel1 PWM"
default n
config BSP_USING_TIM4_CH2
bool "Enable TIM4 channel2 PWM"
default n
config BSP_USING_TIM4_CH3
bool "Enable TIM4 channel3 PWM"
default n
config BSP_USING_TIM4_CH4
bool "Enable TIM4 channel4 PWM"
default n
endif
menuconfig BSP_USING_TIM5PWM
bool "Enable timer5 output PWM"
default n
if BSP_USING_TIM5PWM
config BSP_USING_TIM5_CH1
bool "Enable TIM5 channel1 PWM"
default n
config BSP_USING_TIM5_CH2
bool "Enable TIM5 channel2 PWM"
default n
config BSP_USING_TIM5_CH3
bool "Enable TIM5 channel3 PWM"
default n
config BSP_USING_TIM5_CH4
bool "Enable TIM5 channel4 PWM"
default n
endif
menuconfig BSP_USING_TIM8PWM
bool "Enable timer8 output PWM"
default n
if BSP_USING_TIM8PWM
config BSP_USING_TIM8_CH1
bool "Enable TIM8 channel1 PWM"
default n
config BSP_USING_TIM8_CH2
bool "Enable TIM8 channel2 PWM"
default n
config BSP_USING_TIM8_CH3
bool "Enable TIM8 channel3 PWM"
default n
config BSP_USING_TIM8_CH4
bool "Enable TIM8 channel4 PWM"
default n
endif
endif
menuconfig BSP_USING_HWTIMER

88
bsp/n32g452xx/n32g452xx-mini-system/board/msp/n32_msp.c
View File

@ -164,48 +164,64 @@ void n32_msp_tim_init(void *Instance)
if (TIMx == TIM1)
{
/* TIM1 clock enable */
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_TIM1, ENABLE);
/* GPIOA clock enable */
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_GPIOA, ENABLE);
/* GPIOA Configuration:TIM1 Channel1 and Channel4 as alternate function push-pull */
GPIO_InitCtlStructure.Pin = GPIO_PIN_8 | GPIO_PIN_11;
GPIO_InitCtlStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitCtlStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitPeripheral(GPIOA, &GPIO_InitCtlStructure);
}
if (TIMx == TIM2)
{
/* TIM2 clock enable */
RCC_EnableAPB1PeriphClk(RCC_APB1_PERIPH_TIM2, ENABLE);
/* GPIOA clock enable */
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_GPIOA, ENABLE);
/* GPIOA Configuration:TIM2 Channel1 and Channel2 as alternate function push-pull */
GPIO_InitCtlStructure.Pin = GPIO_PIN_0 | GPIO_PIN_1;
GPIO_InitCtlStructure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3;
GPIO_InitCtlStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitCtlStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitPeripheral(GPIOA, &GPIO_InitCtlStructure);
}
if (TIMx == TIM3)
{
/* TIM3 clock enable */
RCC_EnableAPB1PeriphClk(RCC_APB1_PERIPH_TIM3, ENABLE);
/* GPIOA clock enable */
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_GPIOA | RCC_APB2_PERIPH_GPIOB, ENABLE);
GPIO_InitCtlStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitCtlStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitCtlStructure.Pin = GPIO_PIN_6 | GPIO_PIN_7;
GPIO_InitPeripheral(GPIOA, &GPIO_InitCtlStructure);
GPIO_InitCtlStructure.Pin = GPIO_PIN_0 | GPIO_PIN_1;
GPIO_InitPeripheral(GPIOB, &GPIO_InitCtlStructure);
}
if (TIMx == TIM4)
{
RCC_EnableAPB1PeriphClk(RCC_APB1_PERIPH_TIM4, ENABLE);
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_GPIOB, ENABLE);
GPIO_InitCtlStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitCtlStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitCtlStructure.Pin = GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9;
GPIO_InitPeripheral(GPIOB, &GPIO_InitCtlStructure);
}
if (TIMx == TIM5)
{
RCC_EnableAPB1PeriphClk(RCC_APB1_PERIPH_TIM5, ENABLE);
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_GPIOB, ENABLE);
GPIO_InitCtlStructure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3;
GPIO_InitCtlStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitCtlStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitPeripheral(GPIOA, &GPIO_InitCtlStructure);
}
GPIO_InitCtlStructure.Pin = GPIO_PIN_0 | GPIO_PIN_1;
GPIO_InitPeripheral(GPIOB, &GPIO_InitCtlStructure);
if (TIMx == TIM8)
{
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_TIM8, ENABLE);
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_GPIOC, ENABLE);
GPIO_InitCtlStructure.Pin = GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9;
GPIO_InitCtlStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitCtlStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitPeripheral(GPIOC, &GPIO_InitCtlStructure);
}
}
#endif /* BSP_USING_PWM */
@ -474,46 +490,6 @@ static int hwtimer_sample(int argc, char *argv[])
MSH_CMD_EXPORT(hwtimer_sample, hwtimer sample);
#endif
#ifdef RT_USING_PWM
static int pwm_set_test(const char *name, int ch,
rt_uint32_t period, rt_uint32_t pulse)
{
struct rt_device_pwm *pwm_dev = (struct rt_device_pwm *)rt_device_find(name);
if (pwm_dev == RT_NULL)
{
rt_kprintf("pwm sample run failed! can't find %s device!\n", name);
return RT_ERROR;
}
rt_pwm_set(pwm_dev, ch, period, pulse);
rt_pwm_enable(pwm_dev, ch);
return RT_EOK;
}
#define PWM_TEST_NAME_CH_1 "tim3pwm1"
#define PWM_TEST_NAME_CH_2 "tim3pwm2"
#define PWM_TEST_NAME_CH_3 "tim3pwm3"
#define PWM_TEST_NAME_CH_4 "tim3pwm4"
static int pwm_led_sample(int argc, char *argv[])
{
pwm_set_test(PWM_TEST_NAME_CH_1, 1, 1000, 200);
pwm_set_test(PWM_TEST_NAME_CH_2, 2, 1000, 400);
pwm_set_test(PWM_TEST_NAME_CH_3, 3, 1000, 600);
pwm_set_test(PWM_TEST_NAME_CH_4, 4, 1000, 700);
return RT_EOK;
}
MSH_CMD_EXPORT(pwm_led_sample, pwm sample);
static int pwm_led_sample_off(int argc, char *argv[])
{
struct rt_device_pwm *pwm_dev = (struct rt_device_pwm *)rt_device_find(PWM_TEST_NAME_CH_1);
if (pwm_dev == RT_NULL)
{
rt_kprintf("pwm sample run failed! can't find %s device!\n", PWM_TEST_NAME_CH_1);
return RT_ERROR;
}
rt_pwm_disable(pwm_dev, 1);
return RT_EOK;
}
MSH_CMD_EXPORT(pwm_led_sample_off, pwm sample off);
#endif
#endif

6
bsp/n32g452xx/n32g452xx-mini-system/rtconfig.h
View File

@ -180,11 +180,5 @@
#define RT_USING_GPIO
#define BSP_USING_UART
#define BSP_USING_UART1
#define BSP_USING_PWM
#define BSP_USING_TIM3
#define BSP_USING_TIM3_CH1
#define BSP_USING_TIM3_CH2
#define BSP_USING_TIM3_CH3
#define BSP_USING_TIM3_CH4
#endif