URL https://opencores.org/ocsvn/or1200_soc/or1200_soc/trunk

Subversion Repositories or1200_soc

[/] [or1200_soc/] [trunk/] [boards/] [de1_board/] [sw/] [tests/] [debug/] [serial.c] - Blame information for rev 21

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//
//
//
 
#include "de1_or1200.h"
#include "serial.h"
 
 
//
// use 57600 baud
 
void init_serial( void )
{
        REG8(0x50000003) = 0x83;
        REG8(0x50000001) = 0x00;
//      REG8(0x50000000) = 0x06;
        REG8(0x50000000) = 0x1a;  // 57600 baud w/ clk=24MHz
//      REG8(0x50000000) = 0x2b; // 57600 baud w/ clk=40MHz
        REG8(0x50000003) = 0x03;
        REG8(0x50000002) = 0x01;
 
}
 
void NS16550_putc( char c )
{
        while ( (LSR_BASE & LSR_THRE) == 0);
        THR_BASE = c;
}
 
 
int puts( char *s )
{
        while (*s) {
                NS16550_putc (*s++);
        }
}
 
 

Line No.	Rev	Author	Line
1	21	qaztronic	`//`
2			`//`
3			`//`
4
5			`#include "de1_or1200.h"`
6			`#include "serial.h"`
7
8
9			`//`
10			`// use 57600 baud`
11
12			`void init_serial( void )`
13			`{`
14			`REG8(0x50000003) = 0x83;`
15			`REG8(0x50000001) = 0x00;`
16			`// REG8(0x50000000) = 0x06;`
17			`REG8(0x50000000) = 0x1a; // 57600 baud w/ clk=24MHz`
18			`// REG8(0x50000000) = 0x2b; // 57600 baud w/ clk=40MHz`
19			`REG8(0x50000003) = 0x03;`
20			`REG8(0x50000002) = 0x01;`
21
22			`}`
23
24			`void NS16550_putc( char c )`
25			`{`
26			`while ( (LSR_BASE & LSR_THRE) == 0);`
27			`THR_BASE = c;`
28			`}`
29
30
31			`int puts( char *s )`
32			`{`
33			`while (*s) {`
34			`NS16550_putc (*s++);`
35			`}`
36			`}`
37
38

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Subversion Repositories or1200_soc

[/] [or1200_soc/] [trunk/] [boards/] [de1_board/] [sw/] [tests/] [debug/] [serial.c] - Blame information for rev 21