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sam3x: Add some pwm convenience funcitons.

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Gareth McMullin 2013-05-02 10:36:22 -07:00 committed by Piotr Esden-Tempski
parent 614e26a3b1
commit 060839ee4c
1 changed files with 20 additions and 0 deletions
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20
include/libopencm3/sam3x/pwm.h
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@ -78,4 +78,24 @@
#define PWM_DT(x) MMIO32(PWM_BASE + 0x0218 + 0x20*(x))
#define PWM_DTUPD(x) MMIO32(PWM_BASE + 0x021C + 0x20*(x))
static inline pwm_set_period(int ch, u32 period)
{
PWM_CPRD(ch) = period;
}
static inline pwm_set_duty(int ch, u32 duty)
{
PWM_CDTY(ch) = duty;
}
static inline pwm_enable(int ch)
{
PWM_ENA = 1 << ch;
}
static inline pwm_disable(int ch)
{
PWM_DIS = 1 << ch;
}
#endif