/**
??******************************************************************************
??*?@file???:?PWMoutput.c
??*?@author?:?wind
??*?@version:
??*?@date???:
??*?@brief??:
??******************************************************************************
??*/
/*?---------------------------------------------------------------------------*/

#include?“PWMoutput.h“



/*********************************************
	*?@fun????:
??*?@brief??:
??*?@note???:Default?duty?cycle?:?50%shift?phase?:0
??*?@param??:占空比*?1000?的整數(shù)
??*?@retval?:
	********************************************
??*/
void?PWM_Init（uint32_t?frequint16_t?DutyC_1000uint16_t?shiftph）
{
	uint16_t?pulw??period?;

	period?=?72*1000000?/?freq;?//計(jì)時(shí)器時(shí)鐘為72MHz?時(shí)PWM?一個(gè)周期內(nèi)的總計(jì)數(shù)次數(shù)
	pulw?=?period?*?DutyC_1000?/1000?;??//?脈沖寬度的計(jì)數(shù)次數(shù)，=?總次數(shù)*?占空比
	shiftph?+=?340*72/1000;

	PWM_GPIO_Config（）;
	PWM_TIM_Config（?pulw?periodshiftph）;

}

void?PWM_GPIO_Config（void）
{
	GPIO_InitTypeDef??GPIO_InitStruct;
	
	RCC_AHBPeriphClockCmd（（PWM1_PORT_CLK?|PWM2_PORT_CLK?|PWM3_PORT_CLK?|PWM4_PORT_CLK?）?ENABLE）;
//	RCC_AHBPeriphClockCmd（PWM_PORT_CLKENABLE）;

	//PWM?GPIO?Init
	GPIO_InitStruct.GPIO_Mode?=?GPIO_Mode_AF;
	GPIO_InitStruct.GPIO_OType?=?GPIO_OType_PP;
	GPIO_InitStruct.GPIO_Speed?=?GPIO_Speed_50MHz;
	GPIO_InitStruct.GPIO_PuPd?=?GPIO_PuPd_NOPULL;
	
/***********
	GPIO_InitStruct.GPIO_Pin?=?PWM1_PIN?|PWM2_PIN?|PWM3_PIN?|PWM4_PIN?;
	GPIO_Init（PWM_PORT?&GPIO_InitStruct）;
***********/

	GPIO_InitStruct.GPIO_Pin?=?PWM1_PIN;
	GPIO_Init（PWM1_PORT?&GPIO_InitStruct）;
	
	GPIO_InitStruct.GPIO_Pin?=?PWM2_PIN;
	GPIO_Init（PWM2_PORT?&GPIO_InitStruct）;

	GPIO_InitStruct.GPIO_Pin?=?PWM3_PIN;
	GPIO_Init（PWM3_PORT?&GPIO_InitStruct）;

	GPIO_InitStruct.GPIO_Pin?=?PWM4_PIN;
	GPIO_Init（PWM4_PORT?&GPIO_InitStruct）;

	GPIO_PinAFConfig（PWM1_PORT?PWM1_PIN_SPURCE?PWM1_PIN_AF）;
	GPIO_PinAFConfig（PWM2_PORT?PWM2_PIN_SPURCE?PWM2_PIN_AF）;
	GPIO_PinAFConfig（PWM3_PORT?PWM3_PIN_SPURCE?PWM3_PIN_AF）;
	GPIO_PinAFConfig（PWM4_PORT?PWM4_PIN_SPURCE?PWM4_PIN_AF）;

}




/*********************************************
	*?@fun????:
??*?@brief??:
??*?@note???:
??*?@param??:脈寬和整個(gè)周期的計(jì)數(shù)次數(shù)
??*?@retval?:
	********************************************
??*/
/****************************************
//暫時(shí)設(shè)計(jì)一個(gè)周期內(nèi)計(jì)數(shù)次數(shù)nT次，輸入第一個(gè)參數(shù)為占空比x?1000
//為脈寬計(jì)數(shù)次數(shù)
********************************************/
void?PWM_TIM_Config（uint16_t?pulse??uint16_t?Perioduint16_t?shiftph）
{
	

	TIM_TimebaseInitTypeDef??TIM_TimebaseInitStruct;
	TIM_OCInitTypeDef??TIM_OCInitStruct;
	TIM_BDTRInitTypeDef?TIM_BDTRInitStruct;

	//Open?the??clock?
	RCC_APB2PeriphClockCmd（PWM1_TIM_CLK?|PWM2_TIM_CLK?|PWM3_TIM_CLK?|PWM4_TIM_CLK?ENABLE）;

	//TimebaseInit
	TIM_TimebaseInitStruct.TIM_Prescaler?=?0;
	TIM_TimebaseInitStruct.TIM_CounterMode?=?TIM_CounterMode_Up;
	TIM_TimebaseInitStruct.TIM_Period?=?Period?-?1;
	TIM_TimebaseInitStruct.TIM_ClockDivision?=?TIM_CKD_DIV1?;
	TIM_TimebaseInitStruct.TIM_Re

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????5397??2015-04-03?15:51??任意角度移相全橋PWM\PWMoutput.c

?????文件???????2383??2015-04-03?13:59??任意角度移相全橋PWM\PWMoutput.h

?????目錄??????????0??2015-04-03?15:55??任意角度移相全橋PWM

-----------?---------??----------?-----??----

?????????????????7780????????????????????3