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| author | Kevin O'Connor <kevin@koconnor.net> | 2018-12-28 19:00:29 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-01-07 19:33:26 -0500 |
| commit | 4683036f98b319d1c36853c1a200d63c36b470ff (patch) | |
| tree | 340620d721c54de9de57bbb3b514e3fcff8b1599 /src/sam3/i2c.c | |
| parent | b4baabe4081a3c1473e970b776a5d760bf6689e3 (diff) | |
| download | kutter-4683036f98b319d1c36853c1a200d63c36b470ff.tar.gz kutter-4683036f98b319d1c36853c1a200d63c36b470ff.tar.xz kutter-4683036f98b319d1c36853c1a200d63c36b470ff.zip | |
sam3: Add enable_pclock() helper function
Add a helper function to enable peripheral clocks.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/sam3/i2c.c')
| -rw-r--r-- | src/sam3/i2c.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/src/sam3/i2c.c b/src/sam3/i2c.c index ed9e4a03..27a04738 100644 --- a/src/sam3/i2c.c +++ b/src/sam3/i2c.c @@ -28,10 +28,7 @@ static void i2c_init(Twi *p_twi, uint32_t rate) { - uint32_t twi_id = (p_twi == TWI0) ? ID_TWI0 : ID_TWI1; - if ((PMC->PMC_PCSR0 & (1u << twi_id)) == 0) { - PMC->PMC_PCER0 = 1 << twi_id; - } + enable_pclock(p_twi == TWI0 ? ID_TWI0 : ID_TWI1); if (p_twi == TWI0) { gpio_peripheral(TWI0_SCL_GPIO, 'A', 0); gpio_peripheral(TWI0_SDA_GPIO, 'A', 0); |