- void I2S_TX_Init( void )
- {
-
- PCONP |= (1 << 27);
-
- PCLKSEL1 &= ~(0x03 << 22); // Clear I2S Clock register
- PCLKSEL1 |= (0x01 << 22); // Set I2S Clock register
-
- /*connect the I2S sigals to port pins(P0.4-P0.9)*/
- PINSEL0 &= ~0x000FC000; /* clear port pins */
- PINSEL0 |= 0x00054000; /* set port pins */
-
-
- I2S_TXRATE=0x25; //Frequency sample rage was about 44.1K
-
-
- I2S_DAO = ( 1 << 0)| //Wordwidth :2 Bit
- ( 1 << 2)| //Mono :1 Bit
- ( 1 << 3)| //Stop :1 Bit
- ( 0 << 4)| //Reset :1 Bit
- ( 0 << 5)| //Ws_sel :1 Bit
- (0x10<< 6)| //Ws_halfperiod :9 Bit
- ( 0 << 15); //Mute :1 Bit
-
- I2S_DMA1 = ( 0 << 0)| //Enables DMA1 for I2S RX.
- ( 1 << 1)| //Enables DMA1 for I2S TX.
- (0x00<< 8)| //RX_depth_DMA1
- (0x02<< 16); //TX_depth_DMA1
- }
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