Frank Bösing
5 years ago
1 changed files with 2 additions and 2 deletions
+ 2
- 2
output_mqs.cpp
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| //TODO: Check if frequencies are correct! | //TODO: Check if frequencies are correct! | ||||
| int fs = AUDIO_SAMPLE_RATE_EXACT; | int fs = AUDIO_SAMPLE_RATE_EXACT; | ||||
| int oversample = 64; | |||||
| int oversample = 64*8; | |||||
| // PLL between 27*24 = 648MHz und 54*24=1296MHz | // PLL between 27*24 = 648MHz und 54*24=1296MHz | ||||
| int n1 = 4; //SAI prescaler 4 => (n1*n2) = multiple of 4 | int n1 = 4; //SAI prescaler 4 => (n1*n2) = multiple of 4 | ||||
| int n2 = 1 + (24000000 * 27) / (fs * oversample * n1); | int n2 = 1 + (24000000 * 27) / (fs * oversample * n1); | ||||
| // I2S3_TCSR = (1<<25); //Reset | // I2S3_TCSR = (1<<25); //Reset | ||||
| I2S3_TCR1 = I2S_TCR1_RFW(1); | I2S3_TCR1 = I2S_TCR1_RFW(1); | ||||
| I2S3_TCR2 = I2S_TCR2_SYNC(0) /*| I2S_TCR2_BCP*/ // sync=0; tx is async; | I2S3_TCR2 = I2S_TCR2_SYNC(0) /*| I2S_TCR2_BCP*/ // sync=0; tx is async; | ||||
| | (I2S_TCR2_BCD | I2S_TCR2_DIV((0)) | I2S_TCR2_MSEL(1)); | |||||
| | (I2S_TCR2_BCD | I2S_TCR2_DIV((7)) | I2S_TCR2_MSEL(1)); | |||||
| I2S3_TCR3 = I2S_TCR3_TCE; | I2S3_TCR3 = I2S_TCR3_TCE; | ||||
| I2S3_TCR4 = I2S_TCR4_FRSZ((2-1)) | I2S_TCR4_SYWD((16-1)) | I2S_TCR4_MF | I2S_TCR4_FSD /*| I2S_TCR4_FSE*/ /* | I2S_TCR4_FSP */; | I2S3_TCR4 = I2S_TCR4_FRSZ((2-1)) | I2S_TCR4_SYWD((16-1)) | I2S_TCR4_MF | I2S_TCR4_FSD /*| I2S_TCR4_FSE*/ /* | I2S_TCR4_FSP */; | ||||
| I2S3_TCR5 = I2S_TCR5_WNW((16-1)) | I2S_TCR5_W0W((16-1)) | I2S_TCR5_FBT((16-1)); | I2S3_TCR5 = I2S_TCR5_WNW((16-1)) | I2S_TCR5_W0W((16-1)) | I2S_TCR5_FBT((16-1)); |
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