stm32_template/module_Template/BY9301/BY9301.c

/*
BY9301语音播报模块
*/
#include "main.h"

void BY9301_USART_Init(uint32_t baudRate);
static void BY9301_SendString(uint8_t *str);
static void BY9301_Say(uint8_t NOx);
static uint8_t BY9301_Busy(void);

BY9301ClassStruct BY9301Class = {
	.Init = BY9301_USART_Init,
	.Send = BY9301_SendString,
	.Say = BY9301_Say,
	.Busy = BY9301_Busy
};

// VOICE USART define
#if	0
#define  BY9301_USARTx_PORT               USART1
#define  BY9301_USARTx_CLK                RCC_APB2Periph_USART1
#define  BY9301_USARTx_APBxClkCmd         RCC_APB2PeriphClockCmd
#define  BY9301_USARTx_PORT_CLK           (RCC_APB2Periph_GPIOA)
#define  BY9301_USARTx_PORT_APBxClkCmd    RCC_APB2PeriphClockCmd
#define  BY9301_USARTx_TX_PORT            GPIOA
#define  BY9301_USARTx_TX_PIN             GPIO_Pin_9
#define  BY9301_USARTx_RX_PORT            GPIOA
#define  BY9301_USARTx_RX_PIN             GPIO_Pin_10
#define  BY9301_USARTx_IRQ                USART1_IRQn
#define  BY9301_USARTx_IRQHandler         USART1_IRQHandler
#else
#define  BY9301_USARTx_PORT               USART2
#define  BY9301_USARTx_CLK                RCC_APB1Periph_USART2
#define  BY9301_USARTx_APBxClkCmd         RCC_APB1PeriphClockCmd
#define  BY9301_USARTx_PORT_CLK           (RCC_APB2Periph_GPIOA)
#define  BY9301_USARTx_PORT_APBxClkCmd    RCC_APB2PeriphClockCmd
#define  BY9301_USARTx_TX_PORT            GPIOA
#define  BY9301_USARTx_TX_PIN             GPIO_Pin_2
#define  BY9301_USARTx_RX_PORT            GPIOA
#define  BY9301_USARTx_RX_PIN             GPIO_Pin_3
#define  BY9301_USARTx_IRQ                USART2_IRQn
#define  BY9301_USARTx_IRQHandler         USART2_IRQHandler
#endif
#define BUSY_GPIO_PORT    								GPIOA			              /* GPIO端口 */
#define BUSY_GPIO_CLK 	    							RCC_APB2Periph_GPIOA		/* GPIO端口时钟 */
#define BUSY_GPIO_PIN											GPIO_Pin_4			        /* 连接到SCL时钟线的GPIO */

// BY9301TTS播报串口协议
uint8_t BY9301Data[][8] = {
{0x7e,0x04,0x31,0x1e,0x2b,0xef,'\n'}, // 设置音量30最大
{0x7e,0x05,0x41,0x00,0x01,0x45,0xef,'\n'}, // 0001
{0x7e,0x05,0x41,0x00,0x02,0x46,0xef,'\n'}, // 0002
{0x7e,0x05,0x41,0x00,0x03,0x47,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x04,0x40,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x05,0x41,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x06,0x42,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x07,0x43,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x08,0x4c,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x09,0x4d,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x0a,0x4e,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x0b,0x4f,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x0c,0x48,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x0d,0x49,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x0e,0x4a,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x0f,0x4b,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x10,0x54,0xef,'\n'},
{0x7e,0x05,0x41,0x00,0x11,0x55,0xef,'\n'}, // 0017
};

void BY9301_USARTx_IRQHandler(void)
{
	if(USART_GetITStatus(BY9301_USARTx_PORT, USART_IT_RXNE) != RESET) {
		USART_ClearITPendingBit(BY9301_USARTx_PORT, USART_IT_RXNE);
	}
}
/**
  * @brief  语音串口USART初始化
	* @param  baudRate: 波特率
  * @retval None
  */
static void BY9301_USART_Init(uint32_t baudRate)
{		
	NVIC_InitTypeDef NVIC_InitStructure;
	GPIO_InitTypeDef GPIO_InitStructure;
	USART_InitTypeDef USART_InitStructure;
	/* GPIO时钟配置 */
	BY9301_USARTx_PORT_APBxClkCmd(BY9301_USARTx_PORT_CLK, ENABLE);
	/* 串口时钟配置 */
	BY9301_USARTx_APBxClkCmd(BY9301_USARTx_CLK, ENABLE);
	/* USART Tx--复用推挽输出 */
	GPIO_InitStructure.GPIO_Pin = BY9301_USARTx_TX_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(BY9301_USARTx_TX_PORT, &GPIO_InitStructure);
	/* USART Rx--浮空输入 */
	GPIO_InitStructure.GPIO_Pin = BY9301_USARTx_RX_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
	GPIO_Init(BY9301_USARTx_RX_PORT, &GPIO_InitStructure);
	// BUSY输入
	RCC_APB2PeriphClockCmd(BUSY_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = BUSY_GPIO_PIN;
	GPIO_Init(BUSY_GPIO_PORT, &GPIO_InitStructure);
	/* 串口参数配置 */
	USART_InitStructure.USART_BaudRate = baudRate; // 波特率
	USART_InitStructure.USART_WordLength = USART_WordLength_8b; // 数据位
	USART_InitStructure.USART_StopBits = USART_StopBits_1; // 停止位
	USART_InitStructure.USART_Parity = USART_Parity_No; // 校验位
	USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; // 硬件流控
	USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; // 工作模式 收发一起
	USART_Init(BY9301_USARTx_PORT, &USART_InitStructure);	// 串口初始化
	/* 串口使能 */
	USART_Cmd(BY9301_USARTx_PORT, ENABLE);
	/* 串口中断使能 */
	USART_ITConfig(BY9301_USARTx_PORT, USART_IT_RXNE, ENABLE);
	/* NVIC优先级分组 */
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
	/* NVIC参数配置*/
	NVIC_InitStructure.NVIC_IRQChannel = BY9301_USARTx_IRQ;  // 中断源 有特定的命名
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;  // 主优先级
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;  // 子优先级
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  // 使能NVIC
	NVIC_Init(&NVIC_InitStructure); // NVIC初始化
}
/**
	* @brief  语音串口发送 具体协议参见手册 最后一个字节以\0结尾
	* @param  str: 要发送的内容
  * @retval None
  */
static void BY9301_SendString(uint8_t *str)
{
	unsigned int k=0;
  do 
  {
      USART_SendData(BY9301_USARTx_PORT, *(str + k) );
			/* 等待发送数据寄存器为空 */
			while (USART_GetFlagStatus(BY9301_USARTx_PORT, USART_FLAG_TXE) == RESET){}
      k++;
  }while(*(str + k)!= '\n');
  /* 等待发送完成 */
  while(USART_GetFlagStatus(BY9301_USARTx_PORT, USART_FLAG_TC) == RESET){}
}
/**
	* @brief  指定序号播报
	* @param  NOx: mp3文件序号
  * @retval None
  */
static void BY9301_Say(uint8_t NOx)
{
	BY9301_SendString(BY9301Data[NOx]);
}
/**
	* @brief  Busy引脚状态
	* @param  None
  * @retval 返回Busy引脚电平状态
  */
static uint8_t BY9301_Busy(void)
{
	return GPIO_ReadInputDataBit(BUSY_GPIO_PORT, BUSY_GPIO_PIN);
}