jens/vhdl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

added second UART

Browse Source 
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@517 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-10-14 22:06:19 +00:00
parent 51ea254c82
commit 6ac97e7bf3
1 changed files with 34 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CPUs/MIPS/bsp/examples/test_irq.c
+34 -4
View File
@@ -2,6 +2,9 @@
#include <stdlib.h>
#include <string.h>
#include "irq.h"
#define CPU_FREQ_HZ 100000000
#include "libsys.h"
char buffer[16384];
@@ -27,15 +30,25 @@ void handler2(void)
void handler3(void)
{
volatile char *pUART_stat = (char*)sys_uart_stat;
volatile char *pUART_data = (char*)sys_uart_data;
volatile UINT32 *pUART0_stat = (UINT32*)sys_uart0_stat;
volatile UINT32 *pUART0_data = (UINT32*)sys_uart0_data;
volatile UINT32 *pUART1_stat = (UINT32*)sys_uart1_stat;
volatile UINT32 *pUART1_data = (UINT32*)sys_uart1_data;
while((0x10 & *pUART_stat))
while(0x200 & *pUART0_stat)
{
// sputs("w: "); print_word((int)pPtr_w); sputs("\n");
if (pPtr_w == &buffer[16383])
pPtr_w = buffer;
*(pPtr_w++) = *pUART_data;
*(pPtr_w++) = *pUART0_data;
}
while(0x200 & *pUART1_stat)
{
// sputs("w: "); print_word((int)pPtr_w); sputs("\n");
if (pPtr_w == &buffer[16383])
pPtr_w = buffer;
*(pPtr_w++) = *pUART1_data;
}
}
@@ -63,6 +76,12 @@ void handler7(void)
int main(void)
{
volatile UINT32 *pUART0_stat = (UINT32*)sys_uart0_stat;
volatile UINT32 *pUART1_stat = (UINT32*)sys_uart1_stat;
volatile UINT32 *pUART0_baud = (UINT32*)sys_uart0_baud;
volatile UINT32 *pUART1_baud = (UINT32*)sys_uart1_baud;
UART1_setbaud(460800);
printf("Hello\n");
memset(buffer, 0, sizeof(buffer));
pPtr_r = buffer;
@@ -76,6 +95,17 @@ int main(void)
interrupt_register(2, handler2);
interrupt_enable(2);
printf("UART0 Status = 0x%8.8X\n", *pUART0_stat);
printf("UART0 Baud = 0x%8.8X\n", *pUART0_baud);
printf("UART1 Status = 0x%8.8X\n", *pUART1_stat);
printf("UART1 Baud = 0x%8.8X\n", *pUART1_baud);
// enable RX interrupt
*pUART0_stat |= (1 << 6);
*pUART1_stat |= (1 << 6);
printf("UART0 Status = 0x%8.8X\n", *pUART0_stat);
printf("UART1 Status = 0x%8.8X\n", *pUART1_stat);
interrupt_register(3, handler3);
interrupt_enable(3);