[PATCH] or1ksim: Console: implement uart_read_polled
Joel Sherrill
joel.sherrill at oarcorp.com
Mon Sep 29 20:02:25 UTC 2014
On 9/29/2014 2:53 PM, Hesham Moustafa wrote:
> Thanks for committing.
>
> There are some other few pending patches. This one [1] adds
> qemu-system-or32 script to sim-scripts, and this [2] adds a new RTEMS
> tester script to test or1ksim BSP running on qemu.
>
> [1] http://lists.rtems.org/pipermail/devel/2014-September/008064.html
This is now committed.
> [2] http://lists.rtems.org/pipermail/devel/2014-September/008047.html
>
As is this.
Anything else missing?
--joel
> On Mon, Sep 29, 2014 at 9:38 PM, Joel Sherrill
> <joel.sherrill at oarcorp.com <mailto:joel.sherrill at oarcorp.com>> wrote:
>
> Sorry. This is now committed.
>
> Anything else besides the task stack initialization patch?
>
> --joel
>
> On 9/29/2014 12:57 AM, Hesham Moustafa wrote:
>> Hi,
>>
>> This patch is needed for capture, pppd and any other tests that
>> prompt users to input data interactively.
>>
>> Regards,
>> Hesham
>>
>> On Fri, Sep 19, 2014 at 9:20 PM, Hesham ALMatary
>> <heshamelmatary at gmail.com <mailto:heshamelmatary at gmail.com>> wrote:
>>
>> Implement uart_read_polled which is needed for any
>> application that
>> reads input from users. It works fine with pppd, capture, and all
>> termios tests.
>> ---
>> c/src/lib/libbsp/or1k/or1ksim/console/uart.c | 13 +++++++++++--
>> 1 file changed, 11 insertions(+), 2 deletions(-)
>>
>> diff --git a/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>> b/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>> index f1cfa09..c0ee618 100644
>> --- a/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>> +++ b/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>> @@ -86,9 +86,18 @@ static int uart_last_close(int major, int
>> minor, void *arg)
>> return 0;
>> }
>>
>> -static int uart_read_polled(int minor)
>> +static char uart_read_polled(int minor)
>> {
>> - return -1;
>> + unsigned char lsr;
>> + char c;
>> +
>> + /* Get a character when avaiable */
>> + do {
>> + lsr = OR1KSIM_REG(OR1KSIM_BSP_UART_REG_LINE_STATUS);
>> + } while ((lsr & OR1KSIM_BSP_UART_REG_LINE_STATUS_DR)
>> + != OR1KSIM_BSP_UART_REG_LINE_STATUS_DR);
>> +
>> + return OR1KSIM_REG(OR1KSIM_BSP_UART_REG_RX);
>> }
>>
>> static void uart_write_polled(int minor, char c)
>> --
>> 1.9.3
>>
>>
>
> --
> Joel Sherrill, Ph.D. Director of Research & Development
> joel.sherrill at OARcorp.com <mailto:joel.sherrill at OARcorp.com> On-Line Applications Research
> Ask me about RTEMS: a free RTOS Huntsville AL 35805
> Support Available (256) 722-9985
>
>
--
Joel Sherrill, Ph.D. Director of Research & Development
joel.sherrill at OARcorp.com On-Line Applications Research
Ask me about RTEMS: a free RTOS Huntsville AL 35805
Support Available (256) 722-9985
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