On Wed, 27 Jan 2021 at 01:11, Hao Wu wrote:
>
> Fix potential overflow problem when calculating pwm_duty.
> 1. Ensure p->cmr and p->cnr to be from [0,65535], according to the
>hardware specification.
> 2. Changed duty to uint32_t. However, since MAX_DUTY * (p->cmr+1)
>can excceed UINT32_MA
Fix potential overflow problem when calculating pwm_duty.
1. Ensure p->cmr and p->cnr to be from [0,65535], according to the
hardware specification.
2. Changed duty to uint32_t. However, since MAX_DUTY * (p->cmr+1)
can excceed UINT32_MAX, we convert them to uint64_t in computation
and conv
