添加一些关于midi播放的项目
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/*****************************************************************************!
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* 技术讨论:QQ群 123763203
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* 官网 :www.navota.com
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*
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* @file pmc.c
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* @brief 电源管理模块(PMC)函数库
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* @author Navota
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* @date 2018-3-1
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*****************************************************************************/
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#include "common.h"
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#include "pmc.h"
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/*****************************************************************************//*!
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*
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* @brief PMC模块初始化函数
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*
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* @param[in] pPMC_Config PMC 配置结构体.
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* @param[in] pPMC PMC
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*
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* @return none.
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*
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*****************************************************************************/
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void PMC_Init(PMC_Type *pPMC, PMC_ConfigType *pPMC_Config)
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{
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pPMC->SPMSC1 = pPMC_Config->sCtrlstatus.byte;
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pPMC->SPMSC2 = pPMC_Config->sDetectVoltSelect.byte;
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if(pPMC_Config->sCtrlstatus.bits.bLvwIrqEn)
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NVIC_EnableIRQ(LVD_LVW_IRQn);
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}
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/*****************************************************************************//*!
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*
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* @brief 复位PMC模块.
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*
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* @param[in] pPMC PMC
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*
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* @return none.
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*
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*****************************************************************************/
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void PMC_DeInit(PMC_Type *pPMC)
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{
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pPMC->SPMSC1 = 0x1C;
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pPMC->SPMSC2 = 0;
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}
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/*****************************************************************************//*!
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*
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* @brief MCU工作模式选择函数
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*
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* @param[in] u8PmcMode 选择MCU工作模式.
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* @param[in] pPMC PMC
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*
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* @return none.
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*
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*****************************************************************************/
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void PMC_SetMode(PMC_Type *pPMC,uint8_t u8PmcMode)
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{
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switch(u8PmcMode & 0x3)
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{
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case PmcModeRun:
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break;
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case PmcModeWait: //等待模式
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wait();
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break;
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case PmcModeStop4:
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/* 停止模式下,使能低压检测*/
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pPMC->SPMSC1 |= (PMC_SPMSC1_LVDE_MASK | PMC_SPMSC1_LVDSE_MASK);
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stop();
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break;
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case PmcModeStop3:
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/* 在停止模式下,禁用低压检测*/
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pPMC->SPMSC1 &= ~(PMC_SPMSC1_LVDE_MASK | PMC_SPMSC1_LVDRE_MASK | PMC_SPMSC1_LVDSE_MASK);
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stop();
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break;
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default:
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break;
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}
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}
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