From 7f3a3ca4095286a6a995cde423375c1da8064bfb Mon Sep 17 00:00:00 2001 From: Bent Bisballe Nyeng Date: Sat, 13 Sep 2014 20:30:02 +0200 Subject: Add comment on CCLK. --- firmware/drivers/i2s.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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 -- cgit v1.2.3