From 081c06e99d7a33cd7a7c813f72175fa44860db4a Mon Sep 17 00:00:00 2001 From: gitee <27161916@qq.com> Date: Sat, 22 Jan 2022 18:39:12 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DPWM=E9=A2=91=E7=8E=87?= =?UTF-8?q?=E8=BE=93=E5=87=BA=E5=BC=82=E5=B8=B8=E9=97=AE=E9=A2=98=E3=80=82?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- kernel/bsp/imx6ull-artpi-smart/drivers/drv_pwm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bsp/imx6ull-artpi-smart/drivers/drv_pwm.c b/kernel/bsp/imx6ull-artpi-smart/drivers/drv_pwm.c index 2eee25e..8d094bd 100644 --- a/kernel/bsp/imx6ull-artpi-smart/drivers/drv_pwm.c +++ b/kernel/bsp/imx6ull-artpi-smart/drivers/drv_pwm.c @@ -180,7 +180,7 @@ static rt_err_t imx6ull_pwm_set(struct rt_device_pwm *device, struct rt_pwm_conf base->PWMSAR = duty_cycles; base->PWMPR = period_cycles; - cr = (prescale << 4) | + cr = ((prescale -1 ) << 4) | MX3_PWMCR_STOPEN | MX3_PWMCR_DOZEN | MX3_PWMCR_WAITEN | MX3_PWMCR_CLKSRC | MX3_PWMCR_DBGEN; cr |= MX3_PWMCR_EN; -- Gitee