Re: [PATCH BlueZ] mesh: Fix calculation of model publication period

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Applied
On Tue, 2020-07-28 at 11:10 -0700, Inga Stotland wrote:
> This fixes the extraction of bit fields from model publication
> period octet received as part of Congif Publication Set message.
> 
> The step resolution field is extracted as upper 2 bits (shift by 6)
> and the number of steps field is extracted by masking lower 6 bits.
> ---
>  mesh/model.c | 15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)
> 
> diff --git a/mesh/model.c b/mesh/model.c
> index 31197b363..ef7668147 100644
> --- a/mesh/model.c
> +++ b/mesh/model.c
> @@ -170,20 +170,21 @@ static struct mesh_model *get_model(struct mesh_node *node, uint8_t ele_idx,
>  
>  static uint32_t pub_period_to_ms(uint8_t pub_period)
>  {
> -	int n;
> +	int step_res, num_steps;
>  
> -	n = pub_period >> 2;
> +	step_res = pub_period >> 6;
> +	num_steps = pub_period & 0x3f;
>  
> -	switch (pub_period & 0x3) {
> +	switch (step_res) {
>  	default:
> -		return n * 100;
> +		return num_steps * 100;
>  	case 2:
> -		n *= 10;
> +		num_steps *= 10;
>  		/* Fall Through */
>  	case 1:
> -		return n * 1000;
> +		return num_steps * 1000;
>  	case 3:
> -		return n * 10 * 60 * 1000;
> +		return num_steps * 10 * 60 * 1000;
>  	}
>  }
>  




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