25 static uint32_t I2S_GetSourceClockFreq(I2S_T *i2s);
32 static uint32_t I2S_GetSourceClockFreq(I2S_T *i2s)  in I2S_GetSourceClockFreq()  argument
36     if(i2s == I2S0)  in I2S_GetSourceClockFreq()
72     else if(i2s == I2S1)  in I2S_GetSourceClockFreq()
138 uint32_t I2S_Open(I2S_T *i2s, uint32_t u32MasterSlave, uint32_t u32SampleRate, uint32_t u32WordWidt…  in I2S_Open()  argument
143     if(i2s == I2S0)  in I2S_Open()
148     else if(i2s == I2S1)  in I2S_Open()
154     i2s->CTL0 = u32MasterSlave | u32WordWidth | u32MonoData | u32DataFormat;  in I2S_Open()
155     i2s->CTL1 = I2S_FIFO_TX_LEVEL_WORD_8 | I2S_FIFO_RX_LEVEL_WORD_8;  in I2S_Open()
157     u32SrcClk = I2S_GetSourceClockFreq(i2s);  in I2S_Open()
161     i2s->CLKDIV = (i2s->CLKDIV & ~I2S_CLKDIV_BCLKDIV_Msk) | ((uint32_t)u16Divider << 8U);  in I2S_Open()
167     i2s->CTL0 |= I2S_CTL0_I2SEN_Msk;  in I2S_Open()
177 void I2S_Close(I2S_T *i2s)  in I2S_Close()  argument
179     i2s->CTL0 &= ~I2S_CTL0_I2SEN_Msk;  in I2S_Close()
189 void I2S_EnableInt(I2S_T *i2s, uint32_t u32Mask)  in I2S_EnableInt()  argument
191     i2s->IEN |= u32Mask;  in I2S_EnableInt()
201 void I2S_DisableInt(I2S_T *i2s, uint32_t u32Mask)  in I2S_DisableInt()  argument
203     i2s->IEN &= ~u32Mask;  in I2S_DisableInt()
212 uint32_t I2S_EnableMCLK(I2S_T *i2s, uint32_t u32BusClock)  in I2S_EnableMCLK()  argument
217     u32SrcClk = I2S_GetSourceClockFreq(i2s);  in I2S_EnableMCLK()
227     i2s->CLKDIV = (i2s->CLKDIV & ~I2S_CLKDIV_MCLKDIV_Msk) | u8Divider;  in I2S_EnableMCLK()
229     i2s->CTL0 |= I2S_CTL0_MCLKEN_Msk;  in I2S_EnableMCLK()
231     u32Reg = i2s->CLKDIV & I2S_CLKDIV_MCLKDIV_Msk;  in I2S_EnableMCLK()
250 void I2S_DisableMCLK(I2S_T *i2s)  in I2S_DisableMCLK()  argument
252     i2s->CTL0 &= ~I2S_CTL0_MCLKEN_Msk;  in I2S_DisableMCLK()
263 void I2S_SetFIFO(I2S_T *i2s, uint32_t u32TxThreshold, uint32_t u32RxThreshold)  in I2S_SetFIFO()  argument
265     i2s->CTL1 = (i2s->CTL1 & ~(I2S_CTL1_TXTH_Msk | I2S_CTL1_RXTH_Msk)) |  in I2S_SetFIFO()
289 void I2S_ConfigureTDM(I2S_T *i2s, uint32_t u32ChannelWidth, uint32_t u32ChannelNum, uint32_t u32Syn…  in I2S_ConfigureTDM()  argument
291 … i2s->CTL0 = (i2s->CTL0 & ~(I2S_CTL0_TDMCHNUM_Msk | I2S_CTL0_CHWIDTH_Msk | I2S_CTL0_PCMSYNC_Msk)) |  in I2S_ConfigureTDM()