LD3320 STm32驱动

#include "LD3320_BSP.h" #include "User.h"//关键字的识别在这文件中 /*-------------------globle variable------------------------------------------*/ uint8 nLD_Mode = LD_MODE_IDLE; // 用来记录当前是在进行ASR识别还是在播放MP3 uint8 ucRegVal; //识别的值 uint8 nAsrStatus=0; int Discern;//语音识别状态标志位，在中断置1，在外面再语音识别，识别后置0 int Mp3Play;//MP3播放状态标志位，在产生音乐中断置1，在外面再播放音乐，音乐播放完置0 uint8_t ucHighInt; uint8_t ucLowInt; uint8_t bMp3Play=0; // 用来记录播放MP3的状态 u32 nMp3Size=0; u32 nMp3Pos=0; uint8_t ucSPVol=10; // MAX=15 MIN=0 // Speaker喇叭输出的音量 extern LD_CMD_TypeDef LD3320_CMD; //命令数组 指针 索引 #if FATFS_ENABLE static FIL fsrc; #else char* nMp3Data; #endif static void LD3320_GPIO_Cfg(void) { GPIO_InitTypeDef GPIO_InitStuct; RCC_APB2PeriphClockCmd(LD_CS_CLK|LD_WR_CLK |LD_RST_CLK,ENABLE); #if SOFT_LPT RCC_APB2PeriphClockCmd(LD_LPT_CLK | LD_A0_CLK | LD_RD_CLK ,ENABLE); GPIO_InitStuct.GPIO_Pin=LD_LPT_DATA_PIN; GPIO_InitStuct.GPIO_Speed=GPIO_Speed_50MHz; GPIO_InitStuct.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_Init(LD_LPT_DATA_PORT,&GPIO_InitStuct); //RD GPIO_InitStuct.GPIO_Pin=LD_RD_PIN; GPIO_InitStuct.GPIO_Speed=GPIO_Speed_50MHz; GPIO_InitStuct.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_Init(LD_RD_PORT,&GPIO_InitStuct); ///A0 GPIO_InitStuct.GPIO_Pin=LD_A0_PIN; GPIO_InitStuct.GPIO_Speed=GPIO_Speed_50MHz; GPIO_InitStuct.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_Init(LD_A0_PORT,&GPIO_InitStuct); #endif GPIO_InitStuct.GPIO_Pin=LD_CS_PIN; GPIO_InitStuct.GPIO_Speed=GPIO_Speed_50MHz; GPIO_InitStuct.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_Init(LD_CS_PORT,&GPIO_InitStuct); GPIO_InitStuct.GPIO_Pin=LD_WR_PIN; GPIO_InitStuct.GPIO_Speed=GPIO_Speed_50MHz; GPIO_InitStuct.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_Init(LD_WR_PORT,&GPIO_InitStuct); GPIO_InitStuct.GPIO_Pin=LD_RST_PIN; GPIO_InitStuct.GPIO_Speed=GPIO_Speed_50MHz; GPIO_InitStuct.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_Init(LD_RST_PORT,&GPIO_InitStuct); } #if SOFT_LPT void LD_WriteReg( unsigned char address, unsigned char data ) { #if GPIO_L LD_LPT_DATA_PORT->CRL=0x33333333; #else LD_LPT_DATA_PORT->CRH=0x33333333; #endif //LD_RD(1); LD_RD_PORT->BSRR = LD_RD_PIN; //先把数据准备好，送入OI寄存器 #if GPIO_L LD_LPT_DATA_PORT->ODR = ((LD_LPT_DATA_PORT->ODR&0xff00)|address); #else LD_LPT_DATA_PORT->ODR = ((LD_LPT_DATA_PORT->ODR&0x00ff)|(address<<8)); #endif /*LD_A0(1); LD_CS(0); LD_WR(0);*/ LD_A0_PORT->BSRR = LD_A0_PIN; LD_CS_PORT->BRR = LD_CS_PIN; LD_WR_PORT->BRR = LD_WR_PIN; //等待LD3320读走数据 /*LD_WR(1); LD_CS(1);*/ LD_WR_PORT->BSRR = LD_WR_PIN; LD_CS_PORT->BSRR = LD_CS_PIN; //先把数据准备好，送入OI寄存器 #if GPIO_L LD_LPT_DATA_PORT->ODR = ((LD_LPT_DATA_PORT->ODR&0xff00)|data); #else LD_LPT_DATA_PORT->ODR = ((LD_LPT_DATA_PORT->ODR&0x00ff)|(data<<8)); #endif /*LD_A0(0); LD_CS(0); LD_WR(0);*/ LD_A0_PORT->BRR = LD_A0_PIN; LD_CS_PORT->BRR = LD_CS_PIN; LD_WR_PORT->BRR = LD_WR_PIN; //等待LD3320读走数据 LD_RD_PORT->BSRR = LD_RD_PIN; } unsigned char LD_ReadReg(unsigned char address) { unsigned char data; //LD_RD(1); LD_RD_PORT->BSRR = LD_RD_PIN; #if GPIO_L LD_LPT_DATA_PORT->CRL=0x33333333; #else LD_LPT_DATA_PORT->CRH=0x33333333; #endif #if GPIO_L LD_LPT_DATA_PORT->ODR = ((LD_LPT_DATA_PORT->ODR&0xff00)|address); #else LD_LPT_DATA_PORT->ODR = ((LD_LPT_DATA_PORT->ODR&0x00ff)|(address<<8)); #endif /*LD_A0(1); LD_CS(0); LD_WR(0);*/ LD_A0_PORT->BSRR = LD_A0_PIN; LD_CS_PORT->BRR = LD_CS_PIN; LD_WR_PORT->BRR = LD_WR_PIN; //等待LD3320读走数据 /*LD_WR(1); LD_CS(1);*/ LD_WR_PORT->BSRR = LD_WR_PIN; LD_CS_PORT->BSRR = LD_CS_PIN; #if GPIO_L LD_LPT_DATA_PORT->CRL=0x44444444; #else LD_LPT_DATA_PORT->CRH=0x44444444; #endif /*LD_A0(0); LD_CS(0); LD_RD(0);*/ LD_A0_PORT->BRR = LD_A0_PIN; LD_CS_PORT->BRR = LD_CS_PIN; LD_RD_PORT->BRR = LD_RD_PIN;//*/ //读取LD3320发过来的数据 data = LD_LPT_DATA_PORT->IDR; #if GPIO_L data=LD_LPT_DATA_PORT->IDR = ((LD_LPT_DATA_PORT->IDR->ODR&0x00ff)); #else data= ((LD_LPT_DATA_PORT->IDR>>8)); #endif /*LD_RD(1); LD_CS(1);*/ LD_RD_PORT->BSRR = LD_RD_PIN; LD_CS_PORT->BSRR = LD_CS_PIN; return data; } #endif #if HW_SPI uint16_t SD_SPI_CR1=0x347,LD_SPI_CR1=0x346; static void LD3320_SPI_cfg(void) { SD_SPI_CR1=SPI1->CR1; SPI_InitTypeDef SPI_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; #if LD3320_SPIx==1 #define LD_SPIx SPI1 RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1,ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOA,&GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA,&GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; GPIO_Init(GPIOA,&GPIO_InitStructure); SPI_Cmd(LD_SPIx, DISABLE); #endif #if LD3320_SPIx==2 #define LD_SPIx SPI2 RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2,ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOB,&GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; GPIO_Init(GPIOB,&GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13; GPIO_Init(GPIOB,&GPIO_InitStructure); #endif LD_CS(1); SPI_Cmd(LD_SPIx, DISABLE); SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; //全双工 SPI_InitStructure.SPI_Mode = SPI_Mode_Master; //主模式 SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; //8位 SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; //时钟极性 空闲状态时，SCK保持低电平 SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; //时钟相位 数据采样从第一个时钟边沿开始 SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; //软件产生NSS SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2; //波特率控制 SYSCLK/128 SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; //数据高位在前 SPI_InitStructure.SPI_CRCPolynomial = 7; //CRC多项式寄存器初始值为7 SPI_Init(LD_SPIx, &SPI_InitStructure); SPI_Cmd(LD_SPIx, ENABLE); } unsigned char SPIx_RWByte(unsigned char byte) { //LD_SPIx->CR1 &= ~(0x1); //LD_SPIx->CR1 |= (0x01<<6); //LD_SPI_CR1 LD_SPIx->CR1=LD_SPI_CR1; // 循环检测发送缓冲区是否是空 while(!(LD_SPIx->SR & 0x02));//非1 //通过SPI2外设发出数据 LD_SPIx->DR = byte; // 等待接收数据，循环检查接收数据缓冲区 while(!(LD_SPIx->SR & 0x01));//非1 // 返回读出的数据 return LD_SPIx->DR ; } void LD_WriteReg( unsigned char address, unsigned char data ) { LD_CS(OFF); LD_WR(OFF); SPIx_RWByte(0x04); SPIx_RWByte(address); SPIx_RWByte(data); LD_WR(ON); LD_CS(ON); } unsigned char LD_ReadReg(unsigned char address) { unsigned char redata; LD_CS(OFF); LD_WR(OFF); SPIx_RWByte(0x05); SPIx_RWByte(address); redata=SPIx_RWByte(0x00); /*读SPI*/ LD_CS(ON); return redata; } #endif void LD3320_EXTI_Cfg(void) { EXTI_InitTypeDef EXTI_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE); RCC_APB2PeriphClockCmd(LD_IRQ_CLK, ENABLE); GPIO_InitStructure.GPIO_Pin =LD_IRQ_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(LD_IRQ_GPIO_PORT, &GPIO_InitStructure); //外部中断线配置 GPIO_EXTIL