📄 waveplayer.c
字号:
/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name : waveplayer.c
* Author : MCD Application Team
* Date First Issued : 05/18/2006 : Version 1.0
* Description : This file includes the waveplayer driver of STR91x-IAR.
********************************************************************************
* History:
* 05/24/2006 : Version 1.1
* 05/18/2006 : Version 1.0
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Standards Includes --------------------------------------------------------*/
#include "main.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
TIM_InitTypeDef TIM_InitStructure;
extern GPIO_InitTypeDef GPIO_InitStructure;
extern vu32 index;
extern u16 Pulse;
extern bool AlarmStatus;
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : WavePlay_Init
* Description : Wave player Initialization
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void WavePlayer_Init(void)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput;
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull;
GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable;
GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2;
GPIO_Init(GPIO4,&GPIO_InitStructure);
TIM_StructInit(&TIM_InitStructure);
/* 22.050 KHz generation */
TIM_InitStructure.TIM_Mode = TIM_OCM_CHANNEL_1;
TIM_InitStructure.TIM_OC1_Modes = TIM_TIMING;
TIM_InitStructure.TIM_Clock_Source = TIM_CLK_APB;
TIM_InitStructure.TIM_Prescaler = 0x1;
TIM_InitStructure.TIM_Pulse_Length_1 = 0x440;
/* Initialize the Timer 0 */
TIM_Init (TIM0, &TIM_InitStructure);
TIM_StructInit(&TIM_InitStructure);
/* PWM configuration */
TIM_InitStructure.TIM_Mode = TIM_PWM;
TIM_InitStructure.TIM_Clock_Source = TIM_CLK_APB;
TIM_InitStructure.TIM_Prescaler = 0x0;
TIM_InitStructure.TIM_Pulse_Level_1 = TIM_HIGH;
TIM_InitStructure.TIM_Period_Level = TIM_LOW;
TIM_InitStructure.TIM_Pulse_Length_1 = 0x7F;
TIM_InitStructure.TIM_Full_Period = 0xFF;
/* Initialize the Timer 3 */
TIM_Init (TIM3, &TIM_InitStructure);
}
/*******************************************************************************
* Function Name : WavePlayer_Start
* Description : Start wave playing: Osiris or recorded waves
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void WavePlayer_Start(void)
{
/* Enable the Timer Overflow interrupt */
TIM_ITConfig(TIM0, TIM_IT_OC1, ENABLE);
/* Start the Timer counter */
TIM_CounterCmd(TIM3, TIM_START);
/* Start the Timer counter */
TIM_CounterCmd(TIM0, TIM_START);
}
/*******************************************************************************
* Function Name : WavePlayer_Stop
* Description : Stop wave playing: Osiris or recorded waves
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void WavePlayer_Stop(void)
{
/* Disable the Timer Overflow interrupt */
TIM_ITConfig(TIM0, TIM_IT_OC1, DISABLE);
/* Stop the Timer counter */
TIM_CounterCmd(TIM3, TIM_STOP);
/* Stop the Timer counter */
TIM_CounterCmd(TIM0, TIM_STOP);
index = 0;
Pulse = 0;
}
/*******************************************************************************
* Function Name : WavePlayerAlarm_Start
* Description : Start wave alarm playing
* Input : None
* Output : None
* Return : None.
*******************************************************************************/
void WavePlayerAlarm_Start(void)
{
/* Stop the Wave player and reset the counter */
WavePlayer_Stop();
/* Enable the Timer Overflow interrupt */
TIM_ITConfig(TIM0, TIM_IT_OC1, ENABLE);
/* Start the Timer counter */
TIM_CounterCmd(TIM3, TIM_START);
/* Start the Timer counter */
TIM_CounterCmd(TIM0, TIM_START);
}
/*******************************************************************************
* Function Name : WavePlayerAlarm_Stop
* Description : Stop wave alarm playing
* Input : None
* Output : None
* Return : None.
*******************************************************************************/
void WavePlayerAlarm_Stop(void)
{
/* Disable the Timer Overflow interrupt */
TIM_ITConfig(TIM0, TIM_IT_OC1, DISABLE);
/* Stop the Timer counter */
TIM_CounterCmd(TIM3, TIM_STOP);
/* Stop the Timer counter */
TIM_CounterCmd(TIM0, TIM_STOP);
AlarmStatus = FALSE;
RTC_AlarmCmd(ENABLE);
}
/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -