diff options
Diffstat (limited to 'bsp/lpc55sxx/Libraries/drivers/drv_pwm.c')
| -rw-r--r-- | bsp/lpc55sxx/Libraries/drivers/drv_pwm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/bsp/lpc55sxx/Libraries/drivers/drv_pwm.c b/bsp/lpc55sxx/Libraries/drivers/drv_pwm.c index aec4fe066d..71403c328a 100644 --- a/bsp/lpc55sxx/Libraries/drivers/drv_pwm.c +++ b/bsp/lpc55sxx/Libraries/drivers/drv_pwm.c @@ -68,7 +68,7 @@ static rt_err_t lpc_drv_pwm_get(struct rt_device_pwm *device, struct rt_pwm_conf #ifdef BSP_USING_CTIMER2 /* get frequence */ - pwmClock = CLOCK_GetFreq(kCLOCK_CTimer2) ; + pwmClock = CLOCK_GetFreq(kCLOCK_Timer2) ; #endif get_frequence = pwmClock / (base->MR[kCTIMER_Match_3] + 1); @@ -110,7 +110,7 @@ static rt_err_t lpc_drv_pwm_set(struct rt_device_pwm *device, struct rt_pwm_conf { /* Get the PWM period match value and pulse width match value of DEFAULT_FREQ PWM signal with DEFAULT_DUTY dutycycle */ /* Calculate PWM period match value */ - pwmPeriod = (( CLOCK_GetFreq(kCLOCK_CTimer2) / (config.prescale + 1) ) / DEFAULT_FREQ) - 1; + pwmPeriod = (( CLOCK_GetFreq(kCLOCK_Timer2) / (config.prescale + 1) ) / DEFAULT_FREQ) - 1; /* Calculate pulse width match value */ if (DEFAULT_DUTY == 0) @@ -175,7 +175,7 @@ int rt_hw_pwm_init(void) #ifdef BSP_USING_CTIMER2_MAT1 /* Get the PWM period match value and pulse width match value of DEFAULT_FREQ PWM signal with DEFAULT_DUTY dutycycle */ /* Calculate PWM period match value */ - pwmPeriod = (( CLOCK_GetFreq(kCLOCK_CTimer2) / (config.prescale + 1) ) / DEFAULT_FREQ) - 1; + pwmPeriod = (( CLOCK_GetFreq(kCLOCK_Timer2) / (config.prescale + 1) ) / DEFAULT_FREQ) - 1; /* Calculate pulse width match value */ if (DEFAULT_DUTY == 0) @@ -186,7 +186,7 @@ int rt_hw_pwm_init(void) { pulsePeriod = (pwmPeriod * (100 - DEFAULT_DUTY)) / 100; } - CTIMER_SetupPwmPeriod(CTIMER2, kCTIMER_Match_1 , pwmPeriod, pulsePeriod, false); + CTIMER_SetupPwmPeriod(CTIMER2, kCTIMER_Match_3 , kCTIMER_Match_1, pwmPeriod, pulsePeriod, false); #endif ret = rt_device_pwm_register(&pwm1_device, "pwm1", &lpc_drv_ops, CTIMER2); |