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| author | Bent Bisballe Nyeng <deva@aasimon.org> | 2014-09-13 20:30:02 +0200 |
|---|---|---|
| committer | Bent Bisballe Nyeng <deva@aasimon.org> | 2014-09-13 20:30:02 +0200 |
| commit | 7f3a3ca4095286a6a995cde423375c1da8064bfb (patch) | |
| tree | eb6d842f4a479e54ec8ab797946d0ba2c851307b | |
| parent | 0a618e37524a948ff78b5aa0d0d924176c7e6ebb (diff) | |
Add comment on CCLK.
| -rw-r--r-- | firmware/drivers/i2s.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/firmware/drivers/i2s.h b/firmware/drivers/i2s.h index 386476e..8107e30 100644 --- a/firmware/drivers/i2s.h +++ b/firmware/drivers/i2s.h @@ -37,9 +37,10 @@ void i2s_set_power(int power); /** * Clock selection mode. See table 41, pg. 57. + * CCLK is the CPU clock rate (ie. 100Mhz on LPC1768) */ typedef enum { - I2S_CCLK_4 = 0b00, ///< PCLK_peripheral = CCLK/4 + I2S_CCLK_4 = 0b00, ///< PCLK_peripheral = CCLK/4 (default) I2S_CCLK = 0b01, ///< PCLK_peripheral = CCLK I2S_CCLK_2 = 0b10, ///< PCLK_peripheral = CCLK/2 I2S_CCLK_8 = 0b11, ///< PCLK_peripheral = CCLK/8 |