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

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ColdFire_MCF52259_CodeWarrior/] [cpu/] [mcf5225x.c] - Blame information for rev 609

Go to most recent revision | Details | Compare with Previous | View Log


/*
 * File:                mcf52xx.c
 * Purpose:             Source to select CF derivative
 *
 * Notes:
 *
 * License:     All software covered by license agreement in -
 *              docs/Freescale_Software_License.pdf
 */
/********************************************************************/
 
#include "common.h"
 
/********************************************************************/
/*
 * Pause for the specified number of micro-seconds.
 * Uses DTIM3 as a timer
 */
void
cpu_pause(int usecs)
{
    /* Enable the DMA Timer 3 */
    MCF_DTIM3_DTRR = (vuint32)(usecs - 1);
    MCF_DTIM3_DTER = MCF_DTIM_DTER_REF;
    MCF_DTIM3_DTMR = 0
        | MCF_DTIM_DTMR_PS(SYSTEM_CLOCK)
        | MCF_DTIM_DTMR_FRR
        | MCF_DTIM_DTMR_CLK_DIV1
        | MCF_DTIM_DTMR_RST;
 
    while ((MCF_DTIM3_DTER & MCF_DTIM_DTER_REF) == 0)
    {};
 
    /* Disable the timer */
    MCF_DTIM3_DTMR = 0;
}
 
/********************************************************************/
void
board_handle_interrupt (int vector)
{
    switch (vector)
    {
        case 65: /* Eport Interrupt 1 */
            printf("SW2\n");
            MCF_EPORT_EPFR = MCF_EPORT_EPFR_EPF1;
            break;
        case 69: /* Eport Interrupt 5 */
            printf("SW1\n");
            MCF_EPORT_EPFR = MCF_EPORT_EPFR_EPF5;
            break;
        case 71: /* Eport Interrupt 7 */
            printf("ABORT\n");
            MCF_EPORT_EPFR = MCF_EPORT_EPFR_EPF7;
            break;
        case 66: /* Eport Interrupt 2 */
        case 67: /* Eport Interrupt 3 */
        case 68: /* Eport Interrupt 4 */
        case 70: /* Eport Interrupt 6 */
        default:
            MCF_EPORT_EPFR = (uint8)(0x01 << (vector - 64));
            printf("Edge Port Interrupt #%d\n",vector - 64);
            break;
    }
}
/********************************************************************/
 
/********************************************************************/
void
cpu_handle_interrupt (int vector)
{
    if (vector < 64 || vector > 192)
        return;
 
    if (vector >= 64 && vector <= 71)
        board_handle_interrupt(vector);
    else
        printf("User Defined Vector #%d\n",vector);
}
/********************************************************************/
 

Line No.	Rev	Author	Line
1	578	jeremybenn	`/*`
2			`* File: mcf52xx.c`
3			`* Purpose: Source to select CF derivative`
4			`*`
5			`* Notes:`
6			`*`
7			`* License: All software covered by license agreement in -`
8			`* docs/Freescale_Software_License.pdf`
9			`*/`
10			`/********************************************************************/`
11
12			`#include "common.h"`
13
14			`/********************************************************************/`
15			`/*`
16			`* Pause for the specified number of micro-seconds.`
17			`* Uses DTIM3 as a timer`
18			`*/`
19			`void`
20			`cpu_pause(int usecs)`
21			`{`
22			`/* Enable the DMA Timer 3 */`
23			`MCF_DTIM3_DTRR = (vuint32)(usecs - 1);`
24			`MCF_DTIM3_DTER = MCF_DTIM_DTER_REF;`
25			`MCF_DTIM3_DTMR = 0`
26			`\| MCF_DTIM_DTMR_PS(SYSTEM_CLOCK)`
27			`\| MCF_DTIM_DTMR_FRR`
28			`\| MCF_DTIM_DTMR_CLK_DIV1`
29			`\| MCF_DTIM_DTMR_RST;`
30
31			`while ((MCF_DTIM3_DTER & MCF_DTIM_DTER_REF) == 0)`
32			`{};`
33
34			`/* Disable the timer */`
35			`MCF_DTIM3_DTMR = 0;`
36			`}`
37
38			`/********************************************************************/`
39			`void`
40			`board_handle_interrupt (int vector)`
41			`{`
42			`switch (vector)`
43			`{`
44			`case 65: /* Eport Interrupt 1 */`
45			`printf("SW2\n");`
46			`MCF_EPORT_EPFR = MCF_EPORT_EPFR_EPF1;`
47			`break;`
48			`case 69: /* Eport Interrupt 5 */`
49			`printf("SW1\n");`
50			`MCF_EPORT_EPFR = MCF_EPORT_EPFR_EPF5;`
51			`break;`
52			`case 71: /* Eport Interrupt 7 */`
53			`printf("ABORT\n");`
54			`MCF_EPORT_EPFR = MCF_EPORT_EPFR_EPF7;`
55			`break;`
56			`case 66: /* Eport Interrupt 2 */`
57			`case 67: /* Eport Interrupt 3 */`
58			`case 68: /* Eport Interrupt 4 */`
59			`case 70: /* Eport Interrupt 6 */`
60			`default:`
61			`MCF_EPORT_EPFR = (uint8)(0x01 << (vector - 64));`
62			`printf("Edge Port Interrupt #%d\n",vector - 64);`
63			`break;`
64			`}`
65			`}`
66			`/********************************************************************/`
67
68			`/********************************************************************/`
69			`void`
70			`cpu_handle_interrupt (int vector)`
71			`{`
72			`if (vector < 64 \|\| vector > 192)`
73			`return;`
74
75			`if (vector >= 64 && vector <= 71)`
76			`board_handle_interrupt(vector);`
77			`else`
78			`printf("User Defined Vector #%d\n",vector);`
79			`}`
80			`/********************************************************************/`
81

Browse

Tools

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ColdFire_MCF52259_CodeWarrior/] [cpu/] [mcf5225x.c] - Blame information for rev 609