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

Subversion Repositories mpdma

[/] [mpdma/] [trunk/] [mb-bmp2jpg/] [dct.c] - Diff between revs 13 and 18

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Rev 13	Rev 18
Line 1...	Line 1...

`#include "xparameters.h"`	`#include "xparameters.h"`
`#include "xutil.h"`	`#include "xutil.h"`
`#include "mb_interface.h"`	`#include "mb_interface.h"`
`#include "fifo_link.h"`	`#include "fifo_link.h"`

`#include "ejpgl.h"`	`#include "ejpgl.h"`

	`#define XPAR_FSL_FIFO_LINK_0_INPUT_SLOT_ID 0`
	`#define XPAR_FSL_FIFO_LINK_0_OUTPUT_SLOT_ID 0`


`int dct_init_start() {`	`int dct_init_start() {`

`return 0;`	`return 0;`

`}`	`}`

`signed short dctresult[MATRIX_SIZE][MATRIX_SIZE];`	`int dct_end_done() {`
	`int msg;`

`#define XPAR_FSL_FIFO_LINK_0_INPUT_SLOT_ID 0`	`msg=0xff;`
`#define XPAR_FSL_FIFO_LINK_0_OUTPUT_SLOT_ID 0`
	`write_into_fsl(msg, XPAR_FSL_FIFO_LINK_0_OUTPUT_SLOT_ID);`
	`return 0;`

	`}`

	`void put_char(unsigned char c);`

	`void check_fsl() {`
	`unsigned long result;`
	`unsigned long status;`
	`unsigned char ch;`

	`for (;;) {`
	`microblaze_nbread_datafsl(result, 0);`
	`asm volatile ("mfs %0, rmsr" : "=d" (status));`
	`if (status & 0x80000000) return;`
	`// xil_printf("-->%x-%x\r\n", result, status);`
	`ch = result;`
	`put_char(ch);`
	`}`
	`return;`

	`}`

	`void dct(signed char pixels[8][8], int color)`
	`{`
	`int i;`
	`long result;`

	`check_fsl();`
	`write_into_fsl(color, XPAR_FSL_FIFO_LINK_0_OUTPUT_SLOT_ID);`

	`for (i=0; i<64; i++) {`
	`check_fsl();`
	`write_into_fsl(((char*)pixels)[i], XPAR_FSL_FIFO_LINK_0_OUTPUT_SLOT_ID);`
	`}`

	`/* for (i=0; i<64; i++){`
	`read_from_fsl(result, XPAR_FSL_FIFO_LINK_0_INPUT_SLOT_ID);`
	`((short*)dctresult)[i] = result;`
	`} */`

	`// Read from FSL in non-blocking mode`
	`check_fsl();`

	`}`



	`#if 0`
	`signed short dctresult[MATRIX_SIZE][MATRIX_SIZE];`

`void dct(signed char pixels[8][8], int color)`	`void dct(signed char pixels[8][8], int color)`
`{`	`{`
`int i;`	`int i;`
`long result;`	`long result;`
Line 35...	Line 90...

`zzq_encode(dctresult, color);`	`zzq_encode(dctresult, color);`

`}`	`}`

	`#endif`

`#if 0`	`#if 0`
`#include <stdio.h>`	`#include <stdio.h>`
`#include "dct.h"`	`#include "dct.h"`
`#include "weights.h"`	`#include "weights.h"`

Line 180...	Line 237...

`}`	`}`
`*/`	`*/`
`#endif`	`#endif`

`No newline at end of file`	`No newline at end of file`

`No newline at end of file`	`No newline at end of file`

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[/] [mpdma/] [trunk/] [mb-bmp2jpg/] [dct.c] - Diff between revs 13 and 18