[PATCH 1/2] Initial bsp for Tiny6410
Peng Fan
van.freenix at gmail.com
Wed Apr 17 15:06:26 UTC 2013
Sorry for missing the License in clock/support.c
I will try printk.Because the first version of the bsp does not include the
shared "start.S",
I wrote the Uart_ code to debug the bsp specific start.S.
2013/4/17 Sebastian Huber <sebastian.huber at embedded-brains.de>
> On 04/17/2013 02:54 PM, Peng Fan wrote:
>
>> diff --git a/c/src/lib/libbsp/arm/**tiny6410/debug/debug.c
>> b/c/src/lib/libbsp/arm/**tiny6410/debug/debug.c
>> new file mode 100644
>> index 0000000..a57e4c9
>> --- /dev/null
>> +++ b/c/src/lib/libbsp/arm/**tiny6410/debug/debug.c
>> @@ -0,0 +1,57 @@
>> +/*
>> + * Low level debug function
>> + *
>> + * Copyright (c) 2013 by PengFan<van.freenix at gmail.com>
>> + *
>> + * The license and distribution terms for this file may be
>> + * found in the file LICENSE in this distribution or at
>> + *http://www.rtems.com/license/**LICENSE<http://www.rtems.com/license/LICENSE>
>> .
>>
>> + *
>> + */
>> +
>> +#include <bsp.h>
>> +#include <s3c64xx.h>
>> +void debug_led(uint32_t val)
>> +{
>> + uint32_t *addr = (uint32_t *)0x7f008800;
>> + *addr = val;
>> +}
>> +
>> +
>> +static void Delay(void)
>> +{
>> + volatile int i;
>> +
>> + for(i=0 ; i < 1000 ; i++)
>> + {
>> + }
>> +}
>> +
>> +void Uart_SendByte(int data)
>> +{
>> + while(!(rUTRSTAT0 & 0x2)); //Wait until THR is empty.
>> + Delay();
>> + rUTXH0 = (unsigned char)data;
>> +}
>> +
>> +void Uart_SendString(char *pt)
>> +{
>> + while(*pt)
>> + Uart_SendByte(*pt++);
>> + Uart_SendByte('\r');
>> + Uart_SendByte('\n');
>> +}
>> +
>> +void printhex(unsigned int data)
>> +{
>> + int i = 0,a = 0;
>> + for (i = 0; i < 8; i++) {
>> + a = (data>>(32-(i+1)*4))&0xf;
>> + if (((a<=9)&&(a>=0)))
>> + Uart_SendByte(a + 0x30);
>> + else if ((a <= 0xf) && (a >= 0xa))
>> + Uart_SendByte(a-0xa+0x61);
>> + }
>> + Uart_SendByte('\r');
>> + Uart_SendByte('\n');
>> +}
>>
>
> Can't you use printk() for this?
>
>
> --
> Sebastian Huber, embedded brains GmbH
>
> Address : Dornierstr. 4, D-82178 Puchheim, Germany
> Phone : +49 89 189 47 41-16
> Fax : +49 89 189 47 41-09
> E-Mail : sebastian.huber at embedded-**brains.de<sebastian.huber at embedded-brains.de>
> PGP : Public key available on request.
>
> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
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