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ossc/software/sys_controller/av_controller.c
borti4938 ff0c3494f3 wrap around settings varied by hotkeys
2016-04-10 20:37:20 +02:00

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//
// Copyright (C) 2015-2016 Markus Hiienkari <mhiienka@niksula.hut.fi>
//
// This file is part of Open Source Scan Converter project.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#include <stdio.h>
#include <unistd.h>
#include "system.h"
#include "string.h"
#include "altera_avalon_pio_regs.h"
#include "Altera_UP_SD_Card_Avalon_Interface_mod.h"
#include "altera_epcq_controller_mod.h"
#include "i2c_opencores.h"
#include "tvp7002.h"
#include "ths7353.h"
#include "video_modes.h"
#include "lcd.h"
#include "sysconfig.h"
#include "it6613.h"
#include "HDMI_TX.h"
#include "hdmitx.h"
#include "ci_crc.h"
alt_u8 fw_ver_major = 0;
alt_u8 fw_ver_minor = 67;
#define FW_UPDATE_RETRIES 3
#define LINECNT_THOLD 1
#define STABLE_THOLD 1
#define MIN_VALID_LINES 100
#define SYNC_LOSS_THOLD 5
#define MAINLOOP_SLEEP_US 10000
#define SCANLINESTR_MAX 0x07
#define HV_MASK_MAX 0x0f
#define L3_MODE_MAX 3
#define S480P_MODE_MAX 2
#define SL_MODE_MAX 2
#define SYNC_LPF_MAX 3
#define VIDEO_LPF_MAX 5
#define SAMPLER_PHASE_MIN -16
#define SAMPLER_PHASE_MAX 15
#define SYNC_THOLD_MIN -11
#define SYNC_THOLD_MAX 20
//#define TVP_CLKSEL_BIT (1<<7)
#define RC_MASK 0x0000ffff
#define PB_MASK 0x00030000
#define PB0_MASK 0x00010000
#define PB1_MASK 0x00020000
#define HDMITX_MODE_MASK 0x00040000
static const char *rc_keydesc[] = { "1", "2", "3", "MENU", "BACK", "UP", "DOWN", "LEFT", "RIGHT", "INFO", "LCD_BACKLIGHT", "HOTKEY1", "HOTKEY2", "HOTKEY3"};
#define REMOTE_MAX_KEYS (sizeof(rc_keydesc)/sizeof(char*))
alt_u16 rc_keymap[REMOTE_MAX_KEYS] = {0x3E29, 0x3EA9, 0x3E69, 0x3E4D, 0x3EED, 0x3E2D, 0x3ECD, 0x3EAD, 0x3E6D, 0x3E65, 0x3E01, 0x3EC1, 0x3E41, 0x3EA1};
typedef enum {
RC_BTN1 = 0,
RC_BTN2,
RC_BTN3,
RC_MENU,
RC_BACK,
RC_UP,
RC_DOWN,
RC_LEFT,
RC_RIGHT,
RC_INFO,
RC_LCDBL,
RC_HOTKEY1,
RC_HOTKEY2,
RC_HOTKEY3,
} rc_code_t;
#define lcd_write_menu() lcd_write((char*)&menu_row1, (char*)&menu_row2)
#define lcd_write_status() lcd_write((char*)&row1, (char*)&row2)
static const char *avinput_str[] = { "NO MODE", "AV1: RGBS", "AV1: RGsB", "AV2: YPbPr", "AV2: RGsB", "AV3: RGBHV", "AV3: RGBS", "AV3: RGsB" };
static const char *l3_mode_desc[] = { "Generic 16:9", "Generic 4:3", "320x240 optim.", "256x240 optim." };
static const char *s480p_desc[] = { "Auto", "DTV 480p", "VGA 640x480" };
static const char *sl_mode_desc[] = { "Off", "Horizontal", "Vertical" };
static const char *sync_lpf_desc[] = { "Off", "33MHz", "10MHz", "2.5MHz" };
static const char *video_lpf_desc[] = { "Auto", "Off", "95MHz (HDTV II)", "35MHz (HDTV I)", "16MHz (EDTV)", "9MHz (SDTV)" };
typedef enum {
AV_KEEP = 0,
AV1_RGBs = 1,
AV1_RGsB = 2,
AV2_YPBPR = 3,
AV2_RGsB = 4,
AV3_RGBHV = 5,
AV3_RGBs = 6,
AV3_RGsB = 7
} avinput_t;
// In reverse order of importance
typedef enum {
NO_CHANGE = 0,
INFO_CHANGE = 1,
MODE_CHANGE = 2,
TX_MODE_CHANGE = 3,
ACTIVITY_CHANGE = 4
} status_t;
typedef enum {
SCANLINE_MODE,
SCANLINE_STRENGTH,
SCANLINE_ID,
H_MASK,
V_MASK,
SAMPLER_480P,
SAMPLER_PHASE,
YPBPR_COLORSPACE,
SYNC_THOLD,
SYNC_LPF,
VIDEO_LPF,
LINETRIPLE_ENABLE,
LINETRIPLE_MODE,
TX_MODE,
#ifndef DEBUG
FW_UPDATE,
#endif
SAVE_CONFIG
} menuitem_id;
typedef enum {
NO_ACTION = 0,
NEXT_PAGE = 1,
PREV_PAGE = 2,
VAL_PLUS = 3,
VAL_MINUS = 4,
} menucode_id;
typedef enum {
TX_HDMI = 0,
TX_DVI = 1
} tx_mode_t;
typedef struct {
alt_u8 sl_mode;
alt_u8 sl_str;
alt_u8 sl_id;
alt_u8 linemult_target;
alt_u8 l3_mode;
alt_u8 h_mask;
alt_u8 v_mask;
alt_u8 tx_mode;
alt_u8 s480p_mode;
alt_8 sampler_phase;
alt_u8 ypbpr_cs;
alt_8 sync_thold;
alt_u8 sync_lpf;
alt_u8 video_lpf;
} avconfig_t;
// Target configuration
avconfig_t tc;
//TODO: transform binary values into flags
typedef struct {
alt_u32 totlines;
alt_u32 clkcnt;
alt_u8 progressive;
alt_u8 macrovis;
alt_u8 refclk;
alt_8 id;
alt_u8 sync_active;
alt_u8 linemult;
avinput_t avinput;
// Current configuration
avconfig_t cc;
} avmode_t;
// Current mode
avmode_t cm;
typedef struct {
const menuitem_id id;
const char *desc;
} menuitem_t;
const menuitem_t menu[] = {
{ SCANLINE_MODE, "Scanlines" },
{ SCANLINE_STRENGTH, "Scanline str." },
{ SCANLINE_ID, "Scanline id" },
{ H_MASK, "Horizontal mask" },
{ V_MASK, "Vertical mask" },
{ SAMPLER_480P, "480p in sampler" },
{ SAMPLER_PHASE, "Sampling phase" },
{ YPBPR_COLORSPACE, "YPbPr in ColSpa" },
{ SYNC_THOLD, "Analog sync thld" },
{ SYNC_LPF, "Analog sync LPF" },
{ VIDEO_LPF, "Video LPF" },
{ LINETRIPLE_ENABLE, "240p/288p lineX3" },
{ LINETRIPLE_MODE, "Linetriple mode" },
{ TX_MODE, "TX mode" },
#ifndef DEBUG
{ FW_UPDATE, "Firmware update" },
#endif
{ SAVE_CONFIG, "Save settings" },
};
#define MENUITEMS (sizeof(menu)/sizeof(menuitem_t))
typedef struct {
char fw_key[4];
alt_u8 version_major;
alt_u8 version_minor;
char version_suffix[8];
alt_u32 hdr_len;
alt_u32 data_len;
alt_u32 data_crc;
alt_u32 hdr_crc;
} fw_hdr;
#define USERDATA_HDR_SIZE 11
typedef struct {
char userdata_key[8];
alt_u8 version_major;
alt_u8 version_minor;
alt_u8 num_entries;
} userdata_hdr;
#define USERDATA_ENTRY_HDR_SIZE 2
typedef struct {
alt_u8 type;
alt_u8 entry_len;
} userdata_entry;
typedef enum {
UDE_REMOTE_MAP = 0,
UDE_AVCONFIG,
} userdata_entry_type;
extern mode_data_t video_modes[];
extern ypbpr_to_rgb_csc_t csc_coeffs[];
extern alt_epcq_controller_dev epcq_controller_0;
alt_epcq_controller_dev *epcq_controller_dev;
alt_up_sd_card_dev *sdcard_dev;
alt_u8 target_typemask;
alt_u8 target_type;
alt_u8 stable_frames;
char row1[LCD_ROW_LEN+1], row2[LCD_ROW_LEN+1], menu_row1[LCD_ROW_LEN+1], menu_row2[LCD_ROW_LEN+1];
// EPCS16 pagesize is 256 bytes
// Flash is split 50-50 to FW and userdata, 1MB each
#define PAGESIZE 256
#define PAGES_PER_SECTOR 256
#define USERDATA_OFFSET 0x100000
#define USERDATA_MAX_SIZE 0x1000 //4KB should be enough
// SD controller uses 512-byte chunks
#define SD_BUFFER_SIZE 512
short int sd_fw_handle;
alt_u8 menu_active, menu_page;
alt_u32 remote_code, remote_code_prev;
alt_u32 btn_code, btn_code_prev;
int check_flash()
{
epcq_controller_dev = &epcq_controller_0;
if ((epcq_controller_dev == NULL) || !(epcq_controller_dev->is_epcs && (epcq_controller_dev->page_size == PAGESIZE)))
return -1;
//printf("Flash size in bytes: %d\nSector size: %d (%d pages)\nPage size: %d\n", epcq_controller_dev->size_in_bytes, epcq_controller_dev->sector_size, epcq_controller_dev->sector_size/epcq_controller_dev->page_size, epcq_controller_dev->page_size);
return 0;
}
int read_flash(alt_u32 offset, alt_u32 length, alt_u8 *dstbuf)
{
int retval, i;
retval = alt_epcq_controller_read(&epcq_controller_dev->dev, offset, dstbuf, length);
if (retval != 0)
return -1;
for (i=0; i<length; i++)
dstbuf[i] = ALT_CI_NIOS_CUSTOM_INSTR_BITSWAP_0(dstbuf[i]) >> 24;
return 0;
}
int write_flash_page(alt_u8 *pagedata, alt_u32 length, alt_u32 pagenum)
{
int retval, i;
if ((pagenum % PAGES_PER_SECTOR) == 0) {
printf("Erasing sector %u\n", (unsigned)(pagenum/PAGES_PER_SECTOR));
retval = alt_epcq_controller_erase_block(&epcq_controller_dev->dev, pagenum*PAGESIZE);
if (retval != 0) {
strncpy(menu_row1, "Flash erase", LCD_ROW_LEN+1);
sniprintf(menu_row1, LCD_ROW_LEN+1, "error %d", retval);
menu_row2[0] = '\0';
printf("Flash erase error, sector %u\nRetval %d\n", (unsigned)(pagenum/PAGES_PER_SECTOR), retval);
return -200;
}
}
// Bit-reverse bytes for flash
for (i=0; i<length; i++)
pagedata[i] = ALT_CI_NIOS_CUSTOM_INSTR_BITSWAP_0(pagedata[i]) >> 24;
retval = alt_epcq_controller_write_block(&epcq_controller_dev->dev, (pagenum/PAGES_PER_SECTOR)*PAGES_PER_SECTOR*PAGESIZE, pagenum*PAGESIZE, pagedata, length);
if (retval != 0) {
strncpy(menu_row1, "Flash write", LCD_ROW_LEN+1);
strncpy(menu_row2, "error", LCD_ROW_LEN+1);
printf("Flash write error, page %u\nRetval %d\n", (unsigned)pagenum, retval);
return -201;
}
return retval;
}
int verify_flash(alt_u32 offset, alt_u32 length, alt_u32 golden_crc, alt_u8 *tmpbuf)
{
alt_u32 crcval=0, i, bytes_to_read;
int retval;
for (i=0; i<length; i=i+PAGESIZE) {
bytes_to_read = ((length-i < PAGESIZE) ? (length-i) : PAGESIZE);
retval = read_flash(i, bytes_to_read, tmpbuf);
if (retval != 0)
return -202;
crcval = crcCI(tmpbuf, bytes_to_read, (i==0));
}
if (crcval != golden_crc) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "Flash verif fail");
menu_row2[0] = '\0';
return -203;
}
return 0;
}
int read_sd_block(alt_u32 offset, alt_u32 size, alt_u8 *dstbuf)
{
int i;
alt_u32 tmp;
if ((offset % SD_BUFFER_SIZE) || (size > 512)) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "Invalid read cmd");
menu_row2[0] = '\0';
return -1;
}
if (!Read_Sector_Data((offset/SD_BUFFER_SIZE), 0)) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "SD read failure");
menu_row2[0] = '\0';
return -2;
}
// Copy buffer to SW
for (i=0; i<size; i=i+4) {
tmp = IORD_32DIRECT(sdcard_dev->base, i);
*((alt_u32*)(dstbuf+i)) = tmp;
}
return 0;
}
int check_sdcard(alt_u8 *databuf)
{
sdcard_dev = alt_up_sd_card_open_dev(ALTERA_UP_SD_CARD_AVALON_INTERFACE_0_NAME);
if ((sdcard_dev == NULL) || !alt_up_sd_card_is_Present()) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "No SD card det.");
menu_row2[0] = '\0';
return 1;
}
return read_sd_block(0, 512, databuf);
}
int check_fw_header(alt_u8 *databuf, fw_hdr *hdr)
{
alt_u32 crcval, tmp;
strncpy(hdr->fw_key, (char*)databuf, 4);
if (strncmp(hdr->fw_key, "OSSC", 4)) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "Invalid image");
menu_row2[0] = '\0';
return 1;
}
hdr->version_major = databuf[4];
hdr->version_minor = databuf[5];
strncpy(hdr->version_suffix, (char*)(databuf+6), 8);
hdr->version_suffix[7] = 0;
memcpy(&tmp, databuf+14, 4);
hdr->hdr_len = ALT_CI_NIOS_CUSTOM_INSTR_ENDIANCONVERTER_0(tmp);
memcpy(&tmp, databuf+18, 4);
hdr->data_len = ALT_CI_NIOS_CUSTOM_INSTR_ENDIANCONVERTER_0(tmp);
memcpy(&tmp, databuf+22, 4);
hdr->data_crc = ALT_CI_NIOS_CUSTOM_INSTR_ENDIANCONVERTER_0(tmp);
// Always at bytes [508-511]
memcpy(&tmp, databuf+508, 4);
hdr->hdr_crc = ALT_CI_NIOS_CUSTOM_INSTR_ENDIANCONVERTER_0(tmp);
if (hdr->hdr_len < 26 || hdr->hdr_len > 508) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "Invalid header");
menu_row2[0] = '\0';
return -1;
}
crcval = crcCI(databuf, hdr->hdr_len, 1);
if (crcval != hdr->hdr_crc) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "Invalid hdr CRC");
menu_row2[0] = '\0';
return -2;
}
return 0;
}
int check_fw_image(alt_u32 offset, alt_u32 size, alt_u32 golden_crc, alt_u8 *tmpbuf)
{
alt_u32 crcval=0, i, bytes_to_read;
int retval;
for (i=0; i<size; i=i+SD_BUFFER_SIZE) {
bytes_to_read = ((size-i < SD_BUFFER_SIZE) ? (size-i) : SD_BUFFER_SIZE);
retval = read_sd_block(offset+i, bytes_to_read, tmpbuf);
if (retval != 0)
return -2;
crcval = crcCI(tmpbuf, bytes_to_read, (i==0));
}
if (crcval != golden_crc) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "Invalid data CRC");
menu_row2[0] = '\0';
return -3;
}
return 0;
}
int fw_update()
{
int retval, i;
int retries = FW_UPDATE_RETRIES;
alt_u8 databuf[SD_BUFFER_SIZE];
alt_u32 btn_vec;
alt_u32 bytes_to_rw;
fw_hdr fw_header;
retval = check_sdcard(databuf);
if (retval != 0)
goto failure;
retval = check_fw_header(databuf, &fw_header);
if (retval != 0)
goto failure;
sniprintf(menu_row1, LCD_ROW_LEN+1, "Validating data");
sniprintf(menu_row2, LCD_ROW_LEN+1, "%u bytes", (unsigned)fw_header.data_len);
lcd_write_menu();
retval = check_fw_image(512, fw_header.data_len, fw_header.data_crc, databuf);
if (retval != 0)
goto failure;
sniprintf(menu_row1, LCD_ROW_LEN+1, "%u.%.2u%s%s", fw_header.version_major, fw_header.version_minor, (fw_header.version_suffix[0] == 0) ? "" : "-", fw_header.version_suffix);
strncpy(menu_row2, "Update? 1=Y, 2=N", LCD_ROW_LEN+1);
lcd_write_menu();
while (1) {
btn_vec = IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & RC_MASK;
if (btn_vec == rc_keymap[RC_BTN1]) {
break;
} else if (btn_vec == rc_keymap[RC_BTN2]) {
retval = 2;
return 1;
}
usleep(MAINLOOP_SLEEP_US);
}
//disable video output
tvp_disable_output();
IOWR_ALTERA_AVALON_PIO_DATA(PIO_0_BASE, (IORD_ALTERA_AVALON_PIO_DATA(PIO_0_BASE) | (1<<2)));
usleep(MAINLOOP_SLEEP_US);
strncpy(menu_row1, "Updating FW", LCD_ROW_LEN+1);
update_init:
strncpy(menu_row2, "please wait...", LCD_ROW_LEN+1);
lcd_write_menu();
for (i=0; i<fw_header.data_len; i=i+SD_BUFFER_SIZE) {
bytes_to_rw = ((fw_header.data_len-i < SD_BUFFER_SIZE) ? (fw_header.data_len-i) : SD_BUFFER_SIZE);
retval = read_sd_block(512+i, bytes_to_rw, databuf);
if (retval != 0)
return -200;
retval = write_flash_page(databuf, ((bytes_to_rw < PAGESIZE) ? bytes_to_rw : PAGESIZE), (i/PAGESIZE));
if (retval != 0)
goto failure;
//TODO: support multiple page sizes
if (bytes_to_rw > PAGESIZE) {
retval = write_flash_page(databuf+PAGESIZE, (bytes_to_rw-PAGESIZE), (i/PAGESIZE)+1);
if (retval != 0)
goto failure;
}
}
strncpy(menu_row1, "Verifying flash", LCD_ROW_LEN+1);
strncpy(menu_row2, "please wait...", LCD_ROW_LEN+1);
lcd_write_menu();
retval = verify_flash(0, fw_header.data_len, fw_header.data_crc, databuf);
if (retval != 0)
goto failure;
return 0;
failure:
lcd_write_menu();
usleep(1000000);
// Probable rw error, retry update
if ((retval <= -200) && (retries > 0)) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "Retrying update");
retries--;
goto update_init;
}
return -1;
}
int write_userdata()
{
alt_u8 databuf[PAGESIZE];
int retval;
strncpy((char*)databuf, "USRDATA", 8);
databuf[8] = fw_ver_major;
databuf[9] = fw_ver_minor;
databuf[10] = 2;
retval = write_flash_page(databuf, USERDATA_HDR_SIZE, (USERDATA_OFFSET/PAGESIZE));
if (retval != 0) {
return -1;
}
databuf[0] = UDE_REMOTE_MAP;
databuf[1] = 4+sizeof(rc_keymap);
databuf[2] = databuf[3] = 0; //padding
memcpy(databuf+4, rc_keymap, sizeof(rc_keymap));
retval = write_flash_page(databuf, databuf[1], (USERDATA_OFFSET/PAGESIZE)+1);
if (retval != 0) {
return -1;
}
databuf[0] = UDE_AVCONFIG;
databuf[1] = 4+sizeof(avconfig_t);
databuf[2] = databuf[3] = 0; //padding
memcpy(databuf+4, &tc, sizeof(avconfig_t));
retval = write_flash_page(databuf, databuf[1], (USERDATA_OFFSET/PAGESIZE)+2);
if (retval != 0) {
return -1;
}
return 0;
}
int read_userdata()
{
int retval, i;
alt_u8 databuf[PAGESIZE];
userdata_hdr udhdr;
userdata_entry udentry;
retval = read_flash(USERDATA_OFFSET, USERDATA_HDR_SIZE, databuf);
if (retval != 0) {
printf("Flash read error\n");
return -1;
}
strncpy(udhdr.userdata_key, (char*)databuf, 8);
if (strncmp(udhdr.userdata_key, "USRDATA", 8)) {
printf("No userdata found on flash\n");
return 1;
}
udhdr.version_major = databuf[8];
udhdr.version_minor = databuf[9];
udhdr.num_entries = databuf[10];
//TODO: check version compatibility
printf("Userdata: v%u.%.2u, %u entries\n", udhdr.version_major, udhdr.version_minor, udhdr.num_entries);
for (i=0; i<udhdr.num_entries; i++) {
retval = read_flash(USERDATA_OFFSET+((i+1)*PAGESIZE), USERDATA_ENTRY_HDR_SIZE, databuf);
if (retval != 0) {
printf("Flash read error\n");
return -1;
}
udentry.type = databuf[0];
udentry.entry_len = databuf[1];
retval = read_flash(USERDATA_OFFSET+((i+1)*PAGESIZE), udentry.entry_len, databuf);
if (retval != 0) {
printf("Flash read error\n");
return -1;
}
switch (udentry.type) {
case UDE_REMOTE_MAP:
if ((udentry.entry_len-4) == sizeof(rc_keymap)) {
memcpy(rc_keymap, databuf+4, sizeof(rc_keymap));
printf("RC data read (%u bytes)\n", sizeof(rc_keymap));
}
break;
case UDE_AVCONFIG:
if ((udentry.entry_len-4) == sizeof(avconfig_t)) {
memcpy(&cm.cc, databuf+4, sizeof(avconfig_t));
memcpy(&tc, databuf+4, sizeof(avconfig_t));
printf("Avconfig data read (%u bytes)\n", sizeof(avconfig_t));
}
break;
default:
printf("Unknown userdata entry\n");
break;
}
}
return 0;
}
void setup_rc()
{
int i, confirm;
for (i=0; i<REMOTE_MAX_KEYS; i++) {
strncpy(menu_row1, "Press", LCD_ROW_LEN+1);
strncpy(menu_row2, rc_keydesc[i], LCD_ROW_LEN+1);
lcd_write_menu();
confirm = 0;
while (1) {
remote_code = IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & RC_MASK;
if ((remote_code_prev == 0) && (remote_code != 0)) {
if (confirm == 0) {
rc_keymap[i] = remote_code;
strncpy(menu_row1, "Confirm", LCD_ROW_LEN+1);
lcd_write_menu();
confirm = 1;
} else {
if (remote_code == rc_keymap[i]) {
confirm = 2;
} else {
strncpy(menu_row1, "Mismatch, retry", LCD_ROW_LEN+1);
lcd_write_menu();
confirm = 0;
}
}
}
remote_code_prev = remote_code;
if (confirm == 2)
break;
usleep(MAINLOOP_SLEEP_US);
}
}
}
inline void TX_enable(tx_mode_t mode)
{
//SetAVMute(TRUE);
if (mode == TX_HDMI) {
EnableVideoOutput(PCLK_MEDIUM, COLOR_RGB444, COLOR_RGB444, 1);
HDMITX_SetAVIInfoFrame(1, F_MODE_RGB444, 0, 0);
} else {
EnableVideoOutput(PCLK_MEDIUM, COLOR_RGB444, COLOR_RGB444, 0);
}
SetAVMute(FALSE);
}
void display_menu(alt_u8 forcedisp)
{
menucode_id code;
int retval;
if (remote_code_prev == 0) {
if (remote_code == rc_keymap[RC_UP])
code = PREV_PAGE;
else if (remote_code == rc_keymap[RC_DOWN])
code = NEXT_PAGE;
else if (remote_code == rc_keymap[RC_RIGHT])
code = VAL_PLUS;
else if (remote_code == rc_keymap[RC_LEFT])
code = VAL_MINUS;
else
code = NO_ACTION;
} else {
code = NO_ACTION;
}
if (!forcedisp && (code == NO_ACTION))
return;
if (code == PREV_PAGE)
menu_page = (menu_page+MENUITEMS-1) % MENUITEMS;
else if (code == NEXT_PAGE)
menu_page = (menu_page+1) % MENUITEMS;
strncpy(menu_row1, menu[menu_page].desc, LCD_ROW_LEN+1);
switch (menu[menu_page].id) {
case SCANLINE_MODE:
if (code == VAL_MINUS)
tc.sl_mode = tc.sl_mode ? tc.sl_mode-1 : SL_MODE_MAX;
else if (code == VAL_PLUS)
tc.sl_mode = tc.sl_mode < SL_MODE_MAX ? tc.sl_mode+1 : 0;
strncpy(menu_row2, sl_mode_desc[tc.sl_mode], LCD_ROW_LEN+1);
break;
case SCANLINE_STRENGTH:
if (code == VAL_MINUS)
tc.sl_str = tc.sl_str ? tc.sl_str-1 : SCANLINESTR_MAX;
else if (code == VAL_PLUS)
tc.sl_str = tc.sl_str < SCANLINESTR_MAX ? tc.sl_str+1 : 0;
sniprintf(menu_row2, LCD_ROW_LEN+1, "%u%%", ((tc.sl_str+1)*125)/10);
break;
case SCANLINE_ID:
if ((code == VAL_MINUS) || (code == VAL_PLUS))
tc.sl_id = !tc.sl_id;
sniprintf(menu_row2, LCD_ROW_LEN+1, tc.sl_id ? "Odd" : "Even");
break;
case H_MASK:
if ((code == VAL_MINUS) && (tc.h_mask > 0))
tc.h_mask--;
else if ((code == VAL_PLUS) && (tc.h_mask < HV_MASK_MAX))
tc.h_mask++;
sniprintf(menu_row2, LCD_ROW_LEN+1, "%u pixels", tc.h_mask<<2);
break;
case V_MASK:
if ((code == VAL_MINUS) && (tc.v_mask > 0))
tc.v_mask--;
else if ((code == VAL_PLUS) && (tc.v_mask < HV_MASK_MAX))
tc.v_mask++;
sniprintf(menu_row2, LCD_ROW_LEN+1, "%u pixels", tc.v_mask<<2);
break;
case SAMPLER_480P:
if (code == VAL_MINUS)
tc.s480p_mode = tc.s480p_mode ? tc.s480p_mode-1 : S480P_MODE_MAX;
else if (code == VAL_PLUS)
tc.s480p_mode = tc.s480p_mode < S480P_MODE_MAX ? tc.s480p_mode+1 : 0;
strncpy(menu_row2, s480p_desc[tc.s480p_mode], LCD_ROW_LEN+1);
break;
case SAMPLER_PHASE:
if (code == VAL_MINUS)
tc.sampler_phase = tc.sampler_phase > SAMPLER_PHASE_MIN ? tc.sampler_phase-1 : SAMPLER_PHASE_MAX;
else if (code == VAL_PLUS)
tc.sampler_phase = tc.sampler_phase < SAMPLER_PHASE_MAX ? tc.sampler_phase+1 : SAMPLER_PHASE_MIN;
sniprintf(menu_row2, LCD_ROW_LEN+1, "%d deg", ((tc.sampler_phase-SAMPLER_PHASE_MIN)*1125)/100);
break;
case YPBPR_COLORSPACE:
if ((code == VAL_MINUS) || (code == VAL_PLUS))
tc.ypbpr_cs = !tc.ypbpr_cs;
strncpy(menu_row2, csc_coeffs[tc.ypbpr_cs].name, LCD_ROW_LEN+1);
break;
case SYNC_THOLD:
if (code == VAL_MINUS)
tc.sync_thold = tc.sync_thold > SYNC_THOLD_MIN ? tc.sync_thold-1 : SYNC_THOLD_MAX;
else if (code == VAL_PLUS)
tc.sync_thold = tc.sync_thold < SYNC_THOLD_MAX ? tc.sync_thold+1 : SYNC_THOLD_MIN;
sniprintf(menu_row2, LCD_ROW_LEN+1, "%d mV", ((tc.sync_thold-SYNC_THOLD_MIN)*1127)/100);
break;
case SYNC_LPF:
if (code == VAL_MINUS)
tc.sync_lpf = tc.sync_lpf ? tc.sync_lpf-1 : SYNC_LPF_MAX;
else if (code == VAL_PLUS)
tc.sync_lpf = tc.sync_lpf < SYNC_LPF_MAX ? tc.sync_lpf+1 : 0;
strncpy(menu_row2, sync_lpf_desc[tc.sync_lpf], LCD_ROW_LEN+1);
break;
case VIDEO_LPF:
if (code == VAL_MINUS)
tc.video_lpf = tc.video_lpf ? tc.video_lpf-1 : VIDEO_LPF_MAX;
else if (code == VAL_PLUS)
tc.video_lpf = tc.video_lpf < VIDEO_LPF_MAX ? tc.video_lpf+1 : 0;
strncpy(menu_row2, video_lpf_desc[tc.video_lpf], LCD_ROW_LEN+1);
break;
case LINETRIPLE_ENABLE:
if ((code == VAL_MINUS) || (code == VAL_PLUS))
tc.linemult_target = !tc.linemult_target;
sniprintf(menu_row2, LCD_ROW_LEN+1, tc.linemult_target ? "On" : "Off");
break;
case LINETRIPLE_MODE:
if (code == VAL_MINUS)
tc.l3_mode = tc.l3_mode ? tc.l3_mode-1 : L3_MODE_MAX;
else if (code == VAL_PLUS)
tc.l3_mode = tc.l3_mode < L3_MODE_MAX ? tc.l3_mode+1 : 0;
strncpy(menu_row2, l3_mode_desc[tc.l3_mode], LCD_ROW_LEN+1);
break;
case TX_MODE:
if (!(IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & HDMITX_MODE_MASK) && ((code == VAL_MINUS) || (code == VAL_PLUS))) {
tc.tx_mode = !tc.tx_mode;
TX_enable(tc.tx_mode);
}
sniprintf(menu_row2, LCD_ROW_LEN+1, tc.tx_mode ? "DVI" : "HDMI");
break;
#ifndef DEBUG
case FW_UPDATE:
if ((code == VAL_MINUS) || (code == VAL_PLUS)) {
retval = fw_update();
if (retval == 0) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "Fw update OK");
sniprintf(menu_row2, LCD_ROW_LEN+1, "Please restart");
} else {
sniprintf(menu_row1, LCD_ROW_LEN+1, "FW not");
sniprintf(menu_row2, LCD_ROW_LEN+1, "updated");
}
} else {
sniprintf(menu_row2, LCD_ROW_LEN+1, "press <- or ->");
}
break;
#endif
case SAVE_CONFIG:
if ((code == VAL_MINUS) || (code == VAL_PLUS)) {
retval = write_userdata();
if (retval == 0) {
sniprintf(menu_row2, LCD_ROW_LEN+1, "Done");
} else {
sniprintf(menu_row2, LCD_ROW_LEN+1, "error");
}
} else {
sniprintf(menu_row2, LCD_ROW_LEN+1, "press <- or ->");
}
break;
default:
sniprintf(menu_row2, LCD_ROW_LEN+1, "MISSING ITEM");
break;
}
lcd_write_menu();
return;
}
void read_control()
{
if (remote_code_prev == 0) {
if (remote_code == rc_keymap[RC_MENU]) {
menu_active = !menu_active;
if (menu_active) {
display_menu(1);
} else {
lcd_write_status();
}
} else if (remote_code == rc_keymap[RC_BACK]) {
menu_active = 0;
lcd_write_status();
} else if (remote_code == rc_keymap[RC_INFO]) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "VMod: %s", video_modes[cm.id].name);
//sniprintf(menu_row1, LCD_ROW_LEN+1, "0x%x 0x%x 0x%x", ths_readreg(THS_CH1), ths_readreg(THS_CH2), ths_readreg(THS_CH3));
sniprintf(menu_row2, LCD_ROW_LEN+1, "LO: %u VSM: %u", IORD_ALTERA_AVALON_PIO_DATA(PIO_4_BASE) & 0xffff, (IORD_ALTERA_AVALON_PIO_DATA(PIO_4_BASE) >> 16) & 0x3);
lcd_write_menu();
printf("Mod: %s\n", video_modes[cm.id].name);
printf("Lines: %u M: %u\n", IORD_ALTERA_AVALON_PIO_DATA(PIO_4_BASE) & 0xffff, cm.macrovis);
} else if (remote_code == rc_keymap[RC_LCDBL]) {
IOWR_ALTERA_AVALON_PIO_DATA(PIO_0_BASE, (IORD_ALTERA_AVALON_PIO_DATA(PIO_0_BASE) ^ (1<<1)));
} else if (remote_code == rc_keymap[RC_HOTKEY1]) {
//tc.sl_mode = (tc.sl_mode > 0) ? 0 : 1;
tc.sl_mode = tc.sl_mode < SL_MODE_MAX ? tc.sl_mode+1 : 0;
} else if (remote_code == rc_keymap[RC_HOTKEY2]) {
//if (tc.sl_str > 0)
// tc.sl_str--;
tc.sl_str = tc.sl_str ? tc.sl_str-1 : SCANLINESTR_MAX;
} else if (remote_code == rc_keymap[RC_HOTKEY3]) {
//if (tc.sl_str < SCANLINESTR_MAX)
// tc.sl_str++;
tc.sl_str = tc.sl_str < SCANLINESTR_MAX ? tc.sl_str+1 : 0;
}
}
if (btn_code_prev == 0) {
if (btn_code & PB1_MASK)
tc.sl_mode = (tc.sl_mode > 0) ? 0 : 1;
}
if (menu_active) {
display_menu(0);
return;
}
if (remote_code_prev != 0)
return;
}
void set_lpf(alt_u8 lpf)
{
alt_u32 pclk;
pclk = (clkrate[cm.refclk]/cm.clkcnt)*video_modes[cm.id].h_total;
printf("PCLK: %uHz\n", pclk);
//Auto
if (lpf == 0) {
switch (target_type) {
case VIDEO_PC:
tvp_set_lpf((pclk < 30000000) ? 0x0F : 0);
ths_set_lpf(THS_LPF_BYPASS);
break;
case VIDEO_HDTV:
tvp_set_lpf(0);
ths_set_lpf(THS_LPF_BYPASS);
break;
case VIDEO_EDTV:
tvp_set_lpf(0);
ths_set_lpf(1);
break;
case VIDEO_SDTV:
case VIDEO_LDTV:
tvp_set_lpf(0);
ths_set_lpf(0);
break;
default:
break;
}
} else {
tvp_set_lpf((tc.video_lpf == 2) ? 0x0F : 0);
ths_set_lpf((tc.video_lpf > 2) ? (VIDEO_LPF_MAX-tc.video_lpf) : THS_LPF_BYPASS);
}
}
// Check if input video status / target configuration has changed
status_t get_status(tvp_input_t input)
{
alt_u32 data1, data2;
alt_u32 totlines, clkcnt;
alt_u8 progressive;
//alt_u8 refclk;
alt_u8 sync_active;
alt_u8 vsyncmode;
alt_u16 fpga_totlines;
status_t status;
static alt_u8 act_ctr;
alt_u32 ctr;
status = NO_CHANGE;
// Wait until vsync active (avoid noise coupled to I2C bus on earlier prototypes)
for (ctr=0; ctr<25000; ctr++) {
if (!(IORD_ALTERA_AVALON_PIO_DATA(PIO_4_BASE) & (1<<31))) {
//printf("ctrval %u\n", ctr);
break;
}
}
sync_active = tvp_check_sync(input);
vsyncmode = IORD_ALTERA_AVALON_PIO_DATA(PIO_4_BASE) >> 16;
// TVP7002 may randomly report "no sync" (especially with arcade boards),
// thus disable output only after N consecutive "no sync"-events
if (!cm.sync_active && sync_active) {
cm.sync_active = sync_active;
status = ACTIVITY_CHANGE;
act_ctr = 0;
} else if (cm.sync_active && !sync_active) {
printf("Sync down in %u...\n", SYNC_LOSS_THOLD-act_ctr);
if (act_ctr >= SYNC_LOSS_THOLD) {
act_ctr = 0;
cm.sync_active = sync_active;
status = ACTIVITY_CHANGE;
} else {
act_ctr++;
}
} else {
act_ctr = 0;
}
data1 = tvp_readreg(TVP_LINECNT1);
data2 = tvp_readreg(TVP_LINECNT2);
totlines = ((data2 & 0x0f) << 8) | data1;
progressive = !!(data2 & (1<<5));
cm.macrovis = !!(data2 & (1<<6));
fpga_totlines = IORD_ALTERA_AVALON_PIO_DATA(PIO_4_BASE) & 0xffff;
//TODO: check flags instead
if (vsyncmode == 0x2) {
progressive = 1;
} else if ((vsyncmode == 0x1) && fpga_totlines > ((totlines-1)*2)) {
progressive = 0;
totlines = fpga_totlines; //ugly hack
}
data1 = tvp_readreg(TVP_CLKCNT1);
data2 = tvp_readreg(TVP_CLKCNT2);
clkcnt = ((data2 & 0x0f) << 8) | data1;
//Not fully implemented yet
/*refclk = !!(cword & TVP_CLKSEL_BIT);
refclk = 0;
if (refclk != cm.refclk)
status = (status < REFCLK_CHANGE) ? REFCLK_CHANGE : status;*/
/*if (tc.tx_mode != cm.cc.tx_mode)
status = (status < TX_MODE_CHANGE) ? TX_MODE_CHANGE : status;*/
// TODO: avoid random sync losses?
if ((abs((alt_16)totlines - (alt_16)cm.totlines) > LINECNT_THOLD) || (clkcnt != cm.clkcnt) || (progressive != cm.progressive)) {
printf("totlines: %u (cur) / %u (prev), clkcnt: %u (cur) / %u (prev). Data1: 0x%.2x, Data2: 0x%.2x\n", (unsigned)totlines, (unsigned)cm.totlines, (unsigned)clkcnt, (unsigned)cm.clkcnt, (unsigned)data1, (unsigned)data2);
stable_frames = 0;
} else if (stable_frames != STABLE_THOLD) {
stable_frames++;
if (stable_frames == STABLE_THOLD)
status = (status < MODE_CHANGE) ? MODE_CHANGE : status;
}
if ((tc.linemult_target != cm.cc.linemult_target) || (tc.l3_mode != cm.cc.l3_mode))
status = (status < MODE_CHANGE) ? MODE_CHANGE : status;
if ((tc.s480p_mode != cm.cc.s480p_mode) && (video_modes[cm.id].flags & (MODE_DTV480P|MODE_VGA480P)))
status = (status < MODE_CHANGE) ? MODE_CHANGE : status;
cm.totlines = totlines;
cm.clkcnt = clkcnt;
cm.progressive = progressive;
if ((tc.sl_mode != cm.cc.sl_mode) ||
(tc.sl_str != cm.cc.sl_str) ||
(tc.sl_id != cm.cc.sl_id) ||
(tc.h_mask != cm.cc.h_mask) ||
(tc.v_mask != cm.cc.v_mask))
status = (status < INFO_CHANGE) ? INFO_CHANGE : status;
if (tc.sampler_phase != cm.cc.sampler_phase)
tvp_set_hpll_phase(tc.sampler_phase-SAMPLER_PHASE_MIN);
if (tc.sync_thold != cm.cc.sync_thold)
tvp_set_sog_thold(tc.sync_thold-SYNC_THOLD_MIN);
if (tc.ypbpr_cs != cm.cc.ypbpr_cs)
tvp_sel_csc(&csc_coeffs[tc.ypbpr_cs]);
if (tc.video_lpf != cm.cc.video_lpf)
set_lpf(tc.video_lpf);
if (tc.sync_lpf != cm.cc.sync_lpf)
tvp_set_sync_lpf(tc.sync_lpf);
// use memcpy instead?
cm.cc = tc;
return status;
}
// h_info: [31:30] [29:28] [27] [26:16] [15:12] [11:8] [7:0]
// | H_LINEMULT[1:0] | H_L3MODE[1:0] | | H_ACTIVE[10:0] | | H_MASK[3:0] | H_BACKPORCH[7:0] |
//
// v_info: [31:30] [29] [26:24] [23:13] [15:10] [9:6] [5:0]
// | | V_SCANLINES | V_SCANLINEDIR | V_SCANLINEID | V_SCANLINESTR[2:0] | V_ACTIVE[10:0] | | V_MASK[3:0]| V_BACKPORCH[5:0] |
void set_videoinfo()
{
alt_u8 slid_target;
if (video_modes[cm.id].flags & MODE_L3ENABLE_MASK) {
cm.linemult = 2;
slid_target = cm.cc.sl_id ? 2 : 0;
} else if (video_modes[cm.id].flags & MODE_L2ENABLE) {
cm.linemult = 1;
slid_target = cm.cc.sl_id;
} else {
cm.linemult = 0;
slid_target = cm.cc.sl_id;
}
IOWR_ALTERA_AVALON_PIO_DATA(PIO_2_BASE, (cm.linemult<<30) | (cm.cc.l3_mode<<28) | (video_modes[cm.id].h_active<<16) | (cm.cc.h_mask)<<8 | video_modes[cm.id].h_backporch);
IOWR_ALTERA_AVALON_PIO_DATA(PIO_3_BASE, ((!!cm.cc.sl_mode)<<29) | (cm.cc.sl_mode > 0 ? (cm.cc.sl_mode-1)<<28 : 0) | (slid_target<<27) | (cm.cc.sl_str<<24) | (video_modes[cm.id].v_active<<13) | (cm.cc.v_mask<<6) | video_modes[cm.id].v_backporch);
}
// Configure TVP7002 and scan converter logic based on the video mode
void program_mode()
{
alt_u32 data1, data2;
alt_u32 h_hz, v_hz_x100;
// Mark as stable (needed after sync up to avoid unnecessary mode switch)
stable_frames = STABLE_THOLD;
if ((cm.clkcnt != 0) && (cm.totlines != 0)) { //prevent div by 0
h_hz = clkrate[cm.refclk]/cm.clkcnt;
v_hz_x100 = cm.progressive ? (100*clkrate[cm.refclk]/cm.clkcnt)/cm.totlines : (2*(100*clkrate[cm.refclk]/cm.clkcnt))/cm.totlines;
} else {
h_hz = 15700;
v_hz_x100 = 6000;
}
printf("\nLines: %u %c\n", (unsigned)cm.totlines, cm.progressive ? 'p' : 'i');
printf("Clocks per line: %u : HS %u.%.3u kHz VS %u.%.2u Hz\n", (unsigned)cm.clkcnt, (unsigned)(h_hz/1000), (unsigned)(h_hz%1000), (unsigned)(v_hz_x100/100), (unsigned)(v_hz_x100%100));
data1 = tvp_readreg(TVP_HSINWIDTH);
data2 = tvp_readreg(TVP_VSINWIDTH);
printf("Hswidth: %u Vswidth: %u Macrovision: %u\n", (unsigned)data1, (unsigned)(data2 & 0x1F), (unsigned)cm.macrovis);
//TODO: rewrite with strncpy to reduce code size
sniprintf(row1, LCD_ROW_LEN+1, "%s %u%c", avinput_str[cm.avinput], (unsigned)cm.totlines, cm.progressive ? 'p' : 'i');
sniprintf(row2, LCD_ROW_LEN+1, "%u.%.2ukHz %u.%.2uHz", (unsigned)(h_hz/1000), (unsigned)((h_hz%1000)/10), (unsigned)(v_hz_x100/100), (unsigned)(v_hz_x100%100));
//strncpy(row1, avinput_str[cm.avinput], LCD_ROW_LEN+1);
//strncpy(row2, avinput_str[cm.avinput], LCD_ROW_LEN+1);
if (!menu_active)
lcd_write_status();
//printf ("Get mode id with %u %u %f\n", totlines, progressive, hz);
cm.id = get_mode_id(cm.totlines, cm.progressive, v_hz_x100/100, target_typemask, cm.cc.linemult_target, cm.cc.l3_mode, cm.cc.s480p_mode);
if ( cm.id == -1) {
printf ("Error: no suitable mode found, defaulting to 240p\n");
cm.id = 4;
}
target_type = target_typemask & video_modes[cm.id].type;
printf("Mode %s selected\n", video_modes[cm.id].name);
tvp_source_setup(cm.id, target_type, (cm.progressive ? cm.totlines : cm.totlines/2), v_hz_x100/100, cm.refclk);
set_lpf(cm.cc.video_lpf);
set_videoinfo();
}
// Initialize hardware
int init_hw()
{
alt_u32 chiprev;
// Reset error vector and scan converter
IOWR_ALTERA_AVALON_PIO_DATA(PIO_0_BASE, 0x00);
IOWR_ALTERA_AVALON_PIO_DATA(PIO_2_BASE, 0x00000000);
IOWR_ALTERA_AVALON_PIO_DATA(PIO_3_BASE, 0x00000000);
usleep(10000);
// unreset hw
IOWR_ALTERA_AVALON_PIO_DATA(PIO_0_BASE, 0x03);
//wait >500ms for SD card interface to be stable
//over 200ms and LCD may be buggy?
usleep(200000);
// IT6613 officially supports only 100kHz, but 400kHz seems to work
I2C_init(I2CA_BASE,ALT_CPU_FREQ,400000);
/* Initialize the character display */
lcd_init();
if (!ths_init()) {
printf("Error: could not read from THS7353\n");
return -2;
}
/* check if TVP is found */
chiprev = tvp_readreg(TVP_CHIPREV);
//printf("chiprev %d\n", chiprev);
if ( chiprev == 0xff) {
printf("Error: could not read from TVP7002\n");
return -3;
}
tvp_init();
chiprev = HDMITX_ReadI2C_Byte(IT_DEVICEID);
if ( chiprev != 0x13) {
printf("Error: could not read from IT6613\n");
return -4;
}
InitIT6613();
if (check_flash() != 0) {
printf("Error: incorrect flash type detected\n");
return -1;
}
// safe?
read_userdata();
// enforce DVI mode on non-DIY boards
if ((IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & HDMITX_MODE_MASK)) {
cm.cc.tx_mode = TX_DVI;
tc.tx_mode = TX_DVI;
}
if (!(IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & PB1_MASK))
setup_rc();
//enable TX (videogen)
usleep(200000);
TX_enable(cm.cc.tx_mode);
return 0;
}
// Enable chip outputs
void enable_outputs()
{
// program video mode
program_mode();
// enable TVP output
tvp_enable_output();
// enable and unmute HDMITX
// TODO: check pclk
TX_enable(cm.cc.tx_mode);
}
int main()
{
tvp_input_t target_input = 0;
ths_input_t target_ths = 0;
video_format target_format = 0;
avinput_t target_mode;
alt_u8 av_init = 0;
status_t status;
int init_stat;
init_stat = init_hw();
if (init_stat >= 0) {
printf("### DIY VIDEO DIGITIZER / SCANCONVERTER INIT OK ###\n\n");
sniprintf(row1, LCD_ROW_LEN+1, "OSSC fw. %u.%.2u", fw_ver_major, fw_ver_minor);
strncpy(row2, "2014-2016 marqs", LCD_ROW_LEN+1);
lcd_write_status();
} else {
sniprintf(row1, LCD_ROW_LEN+1, "Init error %d", init_stat);
strncpy(row2, "", LCD_ROW_LEN+1);
lcd_write_status();
while (1) {}
}
while(1) {
// Select target input and mode
remote_code = IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & RC_MASK;
btn_code = ~IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & PB_MASK;
if (remote_code_prev == 0 && remote_code != 0)
printf("RCODE: 0x%.4x\n", remote_code);
if (btn_code_prev == 0 && btn_code != 0)
printf("BCODE: 0x%.2x\n", btn_code>>16);
target_mode = AV_KEEP;
if (remote_code_prev == 0) {
if (remote_code == rc_keymap[RC_BTN1]) {
if (cm.avinput == AV1_RGBs)
target_mode = AV1_RGsB;
else
target_mode = AV1_RGBs;
} else if (remote_code == rc_keymap[RC_BTN2]) {
if (cm.avinput == AV2_YPBPR)
target_mode = AV2_RGsB;
else
target_mode = AV2_YPBPR;
} else if (remote_code == rc_keymap[RC_BTN3]) {
if (cm.avinput == AV3_RGBHV)
target_mode = AV3_RGBs;
else if (cm.avinput == AV3_RGBs)
target_mode = AV3_RGsB;
else
target_mode = AV3_RGBHV;
}
}
if ((btn_code_prev == 0) && (btn_code & PB0_MASK)) {
target_mode = (cm.avinput == AV3_RGsB) ? AV1_RGBs : (cm.avinput+1);
}
if (target_mode == cm.avinput)
target_mode = AV_KEEP;
if (target_mode != AV_KEEP)
printf("### SWITCH MODE TO %s ###\n", avinput_str[target_mode]);
switch (target_mode) {
case AV1_RGBs:
target_input = TVP_INPUT1;
target_format = FORMAT_RGBS;
target_typemask = VIDEO_LDTV|VIDEO_SDTV|VIDEO_EDTV|VIDEO_HDTV;
target_ths = THS_INPUT_B;
break;
case AV1_RGsB:
target_input = TVP_INPUT1;
target_format = FORMAT_RGsB;
target_typemask = VIDEO_LDTV|VIDEO_SDTV|VIDEO_EDTV|VIDEO_HDTV;
target_ths = THS_INPUT_B;
break;
case AV2_YPBPR:
target_input = TVP_INPUT1;
target_format = FORMAT_YPbPr;
target_typemask = VIDEO_LDTV|VIDEO_SDTV|VIDEO_EDTV|VIDEO_HDTV;
target_ths = THS_INPUT_A;
break;
case AV2_RGsB:
target_input = TVP_INPUT1;
target_format = FORMAT_RGsB;
target_typemask = VIDEO_LDTV|VIDEO_SDTV|VIDEO_EDTV|VIDEO_HDTV;
target_ths = THS_INPUT_A;
break;
case AV3_RGBHV:
target_input = TVP_INPUT3;
target_format = FORMAT_RGBHV;
target_typemask = VIDEO_PC;
target_ths = THS_STANDBY;
break;
case AV3_RGBs:
target_input = TVP_INPUT3;
target_format = FORMAT_RGBS;
target_typemask = VIDEO_LDTV|VIDEO_SDTV|VIDEO_EDTV|VIDEO_HDTV;
target_ths = THS_STANDBY;
break;
case AV3_RGsB:
target_input = TVP_INPUT3;
target_format = FORMAT_RGsB;
target_typemask = VIDEO_LDTV|VIDEO_SDTV|VIDEO_EDTV|VIDEO_HDTV;
target_ths = THS_STANDBY;
break;
default:
break;
}
if (target_mode != AV_KEEP) {
av_init = 1;
cm.avinput = target_mode;
cm.sync_active = 0;
ths_source_sel(target_ths, (cm.cc.video_lpf > 1) ? (VIDEO_LPF_MAX-cm.cc.video_lpf) : THS_LPF_BYPASS);
tvp_disable_output();
tvp_source_sel(target_input, target_format, cm.refclk);
cm.clkcnt = 0; //TODO: proper invalidate
strncpy(row1, avinput_str[cm.avinput], LCD_ROW_LEN+1);
strncpy(row2, " NO SYNC", LCD_ROW_LEN+1);
if (!menu_active)
lcd_write_status();
}
//usleep(MAINLOOP_SLEEP_US);
usleep(300); //avoid triggering multiple times per vsync
read_control();
if (av_init) {
status = get_status(target_input);
switch (status) {
case ACTIVITY_CHANGE:
if (cm.sync_active) {
printf("Sync up\n");
IOWR_ALTERA_AVALON_PIO_DATA(PIO_0_BASE, (IORD_ALTERA_AVALON_PIO_DATA(PIO_0_BASE) | (1<<2))); //disable videogen
enable_outputs();
} else {
printf("Sync lost\n");
cm.clkcnt = 0; //TODO: proper invalidate
tvp_disable_output();
//ths_source_sel(THS_STANDBY, 0);
strncpy(row1, avinput_str[cm.avinput], LCD_ROW_LEN+1);
strncpy(row2, " NO SYNC", LCD_ROW_LEN+1);
if (!menu_active)
lcd_write_status();
}
break;
/*case TX_MODE_CHANGE:
if (cm.sync_active)
TX_enable(cm.cc.tx_mode);
printf("TX mode change\n");
break;*/
/*case REFCLK_CHANGE:
if (cm.sync_active) {
printf("Refclk change\n");
tvp_sel_clk(cm.refclk);
}
break;*/
case MODE_CHANGE:
if (cm.sync_active && (cm.totlines >= MIN_VALID_LINES)) {
printf("Mode change\n");
program_mode();
}
break;
case INFO_CHANGE:
if (cm.sync_active) {
printf("Info change\n");
set_videoinfo();
}
break;
default:
break;
}
}
remote_code_prev = remote_code;
btn_code_prev = btn_code;
}
return 0;
}
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