diff options
| author | Daniel Friesel <derf@finalrewind.org> | 2018-10-12 10:47:37 +0200 |
|---|---|---|
| committer | Daniel Friesel <derf@finalrewind.org> | 2018-10-12 10:47:37 +0200 |
| commit | a6627709f7348dcfdcb7cd87a24ba7a80730487b (patch) | |
| tree | f34d208cece85eeabcbfcac4688dead17804af87 /src | |
| parent | 69c6db98f12f1fe103a1177ec37444bc3024645f (diff) | |
MSP430 I2C: Configurable I2C frequency
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/msp430fr5969lp/driver/i2c.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/arch/msp430fr5969lp/driver/i2c.cc b/src/arch/msp430fr5969lp/driver/i2c.cc index 55f8591..be41a50 100644 --- a/src/arch/msp430fr5969lp/driver/i2c.cc +++ b/src/arch/msp430fr5969lp/driver/i2c.cc @@ -8,7 +8,7 @@ signed char I2C::setup() { UCB0CTL1 = UCSWRST; UCB0CTLW0 = UCMODE_3 | UCMST | UCSYNC | UCSSEL_2 | UCSWRST | UCCLTO_1; - UCB0BRW = 0xf00; + UCB0BRW = (F_CPU / F_I2C) - 1; P1DIR &= ~(BIT6 | BIT7); P1SEL0 &= ~(BIT6 | BIT7); P1SEL1 |= BIT6 | BIT7; |