//向VS10XX写命令
//address:命令地址
//data:命令数据
void VS_WR_Cmd(u8 address, u16 data)
{
while (VS_DQ == 0); //等待空闲
VS_SPI_SpeedLow();//低速
VS_XDCS_H;
VS_XCS_L;
VS_SPI_ReadWriteByte(VS_WRITE_COMMAND);//发送VS10XX的写命令
VS_SPI_ReadWriteByte(address); //地址
VS_SPI_ReadWriteByte(data >> 8); //发送高八位
VS_SPI_ReadWriteByte(data); //第八位
VS_XCS_H;
VS_SPI_SpeedHigh();//高速
}
//读VS10XX的寄存器
//address：寄存器地址
//返回值：读到的值
//注意不要用倍速读取,会出错
u16 VS_RD_Reg(u8 address)
{
u16 temp = 0;
while (VS_DQ == 0); //非等待空闲状态
VS_SPI_SpeedLow();//低速
VS_XDCS_H;
VS_XCS_L;
VS_SPI_ReadWriteByte(VS_READ_COMMAND); //发送VS10XX的读命令
VS_SPI_ReadWriteByte(address); //地址
temp = VS_SPI_ReadWriteByte(0xff); //读取高字节
temp = temp << 8;
temp += VS_SPI_ReadWriteByte(0xff); //读取低字节
VS_XCS_H;
VS_SPI_SpeedHigh();//高速
return temp;
}
//向VS10XX写数据
//data:要写入的数据
void VS_WR_Data(u8 data)
{
VS_SPI_SpeedHigh();//高速,对VS1003B,最大值不能超过36.864/4Mhz，这里设置为9M
VS_XDCS_L;
VS_SPI_ReadWriteByte(data);
VS_XDCS_H;
}
//发送一次音频数据
//固定为32字节
//返回值:0,发送成功
// 1,VS10xx不缺数据,本次数据未成功发送
u8 VS_Send_MusicData(u8* buf) {
u8 n;
if (VS_DREQ_STATE != 0) //送数据给VS10XX
{
VS_XDCS_LOW;
for (n = 0; n < 32; n++) {
VS_SPI_ReadWriteByte(buf[n]);
}
VS_XDCS_HIGH;
}
else
return 1;
return 0; //成功发送了
}
//发送一次音频数据
//固定为32字节
//返回值:0,发送成功
// 1,VS10xx不缺数据,本次数据未成功发送
u8 VS_Send_MusicData(u8* buf)
{
u8 n;
if (VS_DQ != 0) //送数据给VS10XX
{
//PBout(0)_H;
VS_XDCS_L;
for (n = 0; n < 32; n++)
{
VS_SPI_ReadWriteByte(buf[n]);
}
VS_XDCS_H;
}
else return 1;
return 0;//成功发送了
}
//发送一次音频数据
//固定为32字节
//返回值:0,发送成功
// 1,VS10xx不缺数据,本次数据未成功发送
u8 VS_Send_MusicData(u8* buf)
{
u8 n;
if(VS_DQ!=0) //送数据给VS10XX
{
mico_rtos_suspend_all_thread();
VS_XDCS_Clr();
for(n=0;n<32;n++)
{
VS_SPI_ReadWriteByte(buf[n]);
}
VS_XDCS_Set();
mico_rtos_resume_all_thread();
}else return 1;
return 0;//成功发送了
}
//ram 测试
//返回值:RAM测试结果
// VS1003如果得到的值为0x807F，则表明完好;VS1053为0X83FF.
u16 VS_Ram_Test(void)
{
VS_HD_Reset();
VS_WR_Cmd(SPI_MODE, 0x0820); // 进入VS10XX的测试模式
while (VS_DQ == 0); // 等待DREQ为高
VS_SPI_SpeedLow();//低速
VS_XDCS_L; // xDCS_H，选择VS10XX的数据接口
VS_SPI_ReadWriteByte(0x4d);
VS_SPI_ReadWriteByte(0xea);
VS_SPI_ReadWriteByte(0x6d);
VS_SPI_ReadWriteByte(0x54);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
delay_ms(150);
VS_XDCS_H;
return VS_RD_Reg(SPI_HDAT0);// VS1003如果得到的值为0x807F，则表明完好;VS1053为0X83FF.;
}
////////////////////////////////////////////////////////////////////////////////
//软复位VS10XX
void VS_Soft_Reset(void)
{
u8 retry = 0;
while (VS_DQ == 0); //等待软件复位结束
VS_SPI_ReadWriteByte(0Xff);//启动传输
retry = 0;
while (VS_RD_Reg(SPI_MODE) != 0x0800) // 软件复位,新模式
{
VS_WR_Cmd(SPI_MODE, 0x0804); // 软件复位,新模式
delay_ms(2);//等待至少1.35ms
if (retry++ > 100)break;
}
while (VS_DQ == 0); //等待软件复位结束
retry = 0;
while (VS_RD_Reg(SPI_CLOCKF) != 0X9800) //设置VS10XX的时钟,3倍频 ,1.5xADD
{
VS_WR_Cmd(SPI_CLOCKF, 0X9800); //设置VS10XX的时钟,3倍频 ,1.5xADD
if (retry++ > 100)break;
}
delay_ms(20);
}
//正弦测试
void VS_Sine_Test(void)
{
VS_HD_Reset();
VS_WR_Cmd(0x0b, 0X2020); //设置音量
VS_WR_Cmd(SPI_MODE, 0x0820); //进入VS10XX的测试模式
while (VS_DQ == 0); //等待DREQ为高
//printf("mode sin:%x\n",VS_RD_Reg(SPI_MODE));
//向VS10XX发送正弦测试命令：0x53 0xef 0x6e n 0x00 0x00 0x00 0x00
//其中n = 0x24, 设定VS10XX所产生的正弦波的频率值，具体计算方法见VS10XX的datasheet
VS_SPI_SpeedLow();//低速
VS_XDCS_L; //选中数据传输
VS_SPI_ReadWriteByte(0x53);
VS_SPI_ReadWriteByte(0xef);
VS_SPI_ReadWriteByte(0x6e);
VS_SPI_ReadWriteByte(0x24);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
delay_ms(100);
VS_XDCS_H;
//退出正弦测试
VS_XDCS_L; //选中数据传输
VS_SPI_ReadWriteByte(0x45);
VS_SPI_ReadWriteByte(0x78);
VS_SPI_ReadWriteByte(0x69);
VS_SPI_ReadWriteByte(0x74);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
delay_ms(100);
VS_XDCS_H;
//再次进入正弦测试并设置n值为0x44，即将正弦波的频率设置为另外的值
VS_XDCS_L; //选中数据传输
VS_SPI_ReadWriteByte(0x53);
VS_SPI_ReadWriteByte(0xef);
VS_SPI_ReadWriteByte(0x6e);
VS_SPI_ReadWriteByte(0x44);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
delay_ms(100);
VS_XDCS_H;
//退出正弦测试
VS_XDCS_L; //选中数据传输
VS_SPI_ReadWriteByte(0x45);
VS_SPI_ReadWriteByte(0x78);
VS_SPI_ReadWriteByte(0x69);
VS_SPI_ReadWriteByte(0x74);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
VS_SPI_ReadWriteByte(0x00);
delay_ms(100);
VS_XDCS_H;
}
