un...@lists.01.org] On Behalf Of
>>>> Heyi Guo
>>>> Sent: Saturday, April 23, 2016 4:54 PM
>>>> To: edk2-devel@lists.01.org
>>>> Cc: Kinney, Michael D ; Heyi Guo
>>>> ; Tian, Feng ;
>>>> Zeng, Star
>>>> Subject:
To: Kinney, Michael D ; edk2-devel@lists.01.org
Cc: Tian, Feng ; Zeng, Star
Subject: Re: [edk2] [PATCH] MdeModulePkg/TerminalDxe: Set polling rate by
serial IO
mode
Hi Michael,
I still have questions about measuring timer tick by event:
1. How can we measure the time elapsed? TimerLib is not in U
Guo ;
Tian, Feng ;
Zeng, Star
Subject: [edk2] [PATCH] MdeModulePkg/TerminalDxe: Set polling rate by serial IO
mode
Calculate serial input polling rate according to parameters from
serial IO mode as below, to fix potential input truncation.
Polling interval (100ns) =
FifoDepth * (StartBit
] [PATCH] MdeModulePkg/TerminalDxe: Set polling rate by serial IO
mode
Calculate serial input polling rate according to parameters from
serial IO mode as below, to fix potential input truncation.
Polling interval (100ns) =
FifoDepth * (StartBit + DataBits + StopBits + ParityBits) * 10,000,000
> Cc: Kinney, Michael D ; Heyi Guo
>> ; Tian, Feng ;
>> Zeng, Star
>> Subject: [edk2] [PATCH] MdeModulePkg/TerminalDxe: Set polling rate by serial
>> IO mode
>>
>> Calculate serial input polling rate according to parameters from
>> serial IO mode a
dulePkg/TerminalDxe: Set polling rate by serial
>IO mode
>
>Calculate serial input polling rate according to parameters from
>serial IO mode as below, to fix potential input truncation.
>
>Polling interval (100ns) =
>FifoDepth * (StartBit + DataBits + StopBits + ParityBits) * 10
tar
> Subject: Re: [edk2] [PATCH] MdeModulePkg/TerminalDxe: Set polling rate by
> serial IO
> mode
>
> Hi Michael,
>
> I still have questions about measuring timer tick by event:
>
> 1. How can we measure the time elapsed? TimerLib is not in UEFI spec,
> and shall we u
ehalf Of Heyi Guo
Sent: Tuesday, April 26, 2016 8:14 AM
To: Kinney, Michael D ; edk2-devel@lists.01.org
Cc: Tian, Feng ; Zeng, Star
Subject: Re: [edk2] [PATCH] MdeModulePkg/TerminalDxe: Set polling rate by
serial IO
mode
Hi Michael,
It seems we are making the implementation more and more complic
> >> From: Heyi Guo [mailto:heyi@linaro.org]
> >> Sent: Saturday, April 23, 2016 1:54 AM
> >> To: edk2-devel@lists.01.org
> >> Cc: Heyi Guo ; Tian, Feng ;
> >> Zeng, Star
> >> ; Kinney, Michael D
> >> Subject: [edk2] [PATCH
-Original Message-
From: Heyi Guo [mailto:heyi@linaro.org]
Sent: Saturday, April 23, 2016 1:54 AM
To: edk2-devel@lists.01.org
Cc: Heyi Guo ; Tian, Feng ; Zeng, Star
; Kinney, Michael D
Subject: [edk2] [PATCH] MdeModulePkg/TerminalDxe: Set polling rate by serial IO
mode
Calculate serial input
; Subject: [edk2] [PATCH] MdeModulePkg/TerminalDxe: Set polling rate by serial
> IO mode
>
> Calculate serial input polling rate according to parameters from
> serial IO mode as below, to fix potential input truncation.
>
> Polling interval (100ns) =
> FifoDepth * (StartBit + D
Calculate serial input polling rate according to parameters from
serial IO mode as below, to fix potential input truncation.
Polling interval (100ns) =
FifoDepth * (StartBit + DataBits + StopBits + ParityBits) * 10,000,000
/ BaudRate
(StopBits is assumed to be 1 and ParityBits is ignored for simpl
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