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Main/user_io.c
sorgelig 1cc907c276 Brightness control for pi-top.
2018-02-11 02:48:18 +08:00

2178 lines
46 KiB
C
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <stdbool.h>
#include <fcntl.h>
#include <time.h>
#include "hardware.h"
#include "osd.h"
#include "user_io.h"
#include "archie.h"
#include "debug.h"
#include "st_ikbd.h"
#include "spi.h"
#include "cfg.h"
#include "st_tos.h"
#include "input.h"
#include "fpga_io.h"
#include "file_io.h"
#include "minimig_config.h"
#include "menu.h"
#include "x86.h"
#include "tzx2wav.h"
#include "DiskImage.h"
#include "minimig_boot.h"
#include "minimig_fdd.h"
#include "minimig_hdd.h"
#include "brightness.h"
#define BREAK 0x8000
uint8_t vol_att = 0;
unsigned long vol_set_timeout = 0;
fileTYPE sd_image[4] = { 0 };
// mouse and keyboard emulation state
static emu_mode_t emu_mode = EMU_NONE;
// keep state over core type and its capabilities
static unsigned char core_type = CORE_TYPE_UNKNOWN;
static char core_type_8bit_with_config_string = 0;
static int fio_size = 0;
static int io_ver = 0;
// keep state of caps lock
static char caps_lock_toggle = 0;
// mouse position storage for ps2 and minimig rate limitation
#define X 0
#define Y 1
#define MOUSE_FREQ 20 // 20 ms -> 50hz
static int16_t mouse_pos[2] = { 0, 0 };
static uint8_t mouse_flags = 0;
static unsigned long mouse_timer;
#define LED_FREQ 100 // 100 ms
static unsigned long led_timer;
char keyboard_leds = 0;
bool caps_status = 0;
bool num_status = 0;
bool scrl_status = 0;
// set by OSD code to suppress forwarding of those keys to the core which
// may be in use by an active OSD
static char osd_is_visible = false;
char user_io_osd_is_visible()
{
return osd_is_visible;
}
unsigned char user_io_core_type()
{
return core_type;
}
char is_minimig()
{
return(core_type == CORE_TYPE_MINIMIG2);
}
char is_archie()
{
return(core_type == CORE_TYPE_ARCHIE);
}
char* user_io_create_config_name()
{
static char str[40];
str[0] = 0;
char *p = user_io_get_core_name();
if (p[0])
{
strcpy(str, p);
strcat(str, ".CFG");
}
return str;
}
char user_io_is_8bit_with_config_string()
{
return core_type_8bit_with_config_string;
}
static char core_name[16 + 1]; // max 16 bytes for core name
char *user_io_get_core_name()
{
return core_name;
}
char *user_io_get_core_name_ex()
{
switch (user_io_core_type())
{
case CORE_TYPE_MINIMIG2:
return "MINIMIG";
case CORE_TYPE_MIST:
return "ST";
case CORE_TYPE_ARCHIE:
return "ARCHIE";
case CORE_TYPE_8BIT:
return core_name;
}
return "";
}
static int is_menu_type = 0;
char is_menu_core()
{
if (!is_menu_type) is_menu_type = strcasecmp(core_name, "MENU") ? 2 : 1;
return (is_menu_type == 1);
}
static int is_x86_type = 0;
char is_x86_core()
{
if (!is_x86_type) is_x86_type = strcasecmp(core_name, "AO486") ? 2 : 1;
return (is_x86_type == 1);
}
static int is_no_type = 0;
static int disable_osd = 0;
char has_menu()
{
if (disable_osd) return 0;
if (!is_no_type) is_no_type = user_io_get_core_name_ex()[0] ? 1 : 2;
return (is_no_type == 1);
}
static void user_io_read_core_name()
{
is_menu_type = 0;
is_x86_type = 0;
is_no_type = 0;
core_name[0] = 0;
if (user_io_is_8bit_with_config_string())
{
char *p = user_io_8bit_get_string(0); // get core name
if (p && p[0]) strcpy(core_name, p);
}
printf("Core name is \"%s\"\n", core_name);
}
static void set_emu_leds()
{
uint8_t emu_led = 0;
switch (emu_mode)
{
case EMU_JOY0:
emu_led = 0x20;
break;
case EMU_JOY1:
emu_led = 0x40;
break;
case EMU_MOUSE:
emu_led = 0x60;
break;
}
spi_uio_cmd16(UIO_LEDS, 0x6000 | emu_led);
}
static void set_kbd_led(unsigned char led, bool on)
{
if (led & HID_LED_CAPS_LOCK)
{
if (!(keyboard_leds & KBD_LED_CAPS_CONTROL)) set_kbdled(led, on);
caps_status = on;
}
if (led & HID_LED_NUM_LOCK)
{
if (!(keyboard_leds & KBD_LED_NUM_CONTROL)) set_kbdled(led, on);
num_status = on;
}
if (led & HID_LED_SCROLL_LOCK)
{
if (!(keyboard_leds & KBD_LED_SCRL_CONTROL)) set_kbdled(led, on);
scrl_status = on;
}
}
static int joy_force = 0;
static void parse_config()
{
joy_force = 0;
if (core_type_8bit_with_config_string)
{
int i = 2;
char *p;
do {
p = user_io_8bit_get_string(i);
if (i && p && p[0])
{
if (p[0] == 'J')
{
if (p[1] == '1')
{
joy_force = 1;
emu_mode = EMU_JOY0;
input_notify_mode();
set_kbd_led(HID_LED_NUM_LOCK, true);
set_emu_leds();
}
joy_bcount = 0;
for (int n = 0; n < 12; n++)
{
substrcpy(joy_bnames[n], p, n + 1);
if (!joy_bnames[n][0]) break;
joy_bcount++;
}
}
if (p[0] == 'O' && p[1] == 'X')
{
unsigned long status = user_io_8bit_set_status(0, 0);
printf("found OX option: %s, 0x%08X\n", p, status);
unsigned long x = getStatus(p+1, status);
if (is_x86_core())
{
if (p[2] == '2') x86_set_fdd_boot(!(x&1));
}
}
if (p[0] == 'X')
{
disable_osd = 1;
}
if (p[0] == 'V')
{
// get version string
char s[40];
strcpy(s, OsdCoreName());
strcat(s, " ");
substrcpy(s + strlen(s), p, 1);
OsdCoreNameSet(s);
}
}
i++;
} while (p);
}
}
//MSM6242B layout
void send_rtc(int type)
{
printf("Update RTC\n");
time_t t = time(NULL);
if (type & 1)
{
struct tm tm = *localtime(&t);
uint8_t rtc[8];
rtc[0] = (tm.tm_sec % 10) | ((tm.tm_sec / 10) << 4);
rtc[1] = (tm.tm_min % 10) | ((tm.tm_min / 10) << 4);
rtc[2] = (tm.tm_hour % 10) | ((tm.tm_hour / 10) << 4);
rtc[3] = (tm.tm_mday % 10) | ((tm.tm_mday / 10) << 4);
rtc[4] = ((tm.tm_mon + 1) % 10) | (((tm.tm_mon + 1) / 10) << 4);
rtc[5] = (tm.tm_year % 10) | (((tm.tm_year / 10) % 10) << 4);
rtc[6] = tm.tm_wday;
rtc[7] = 0x40;
spi_uio_cmd_cont(UIO_RTC);
spi_w((rtc[1] << 8) | rtc[0]);
spi_w((rtc[3] << 8) | rtc[2]);
spi_w((rtc[5] << 8) | rtc[4]);
spi_w((rtc[7] << 8) | rtc[6]);
DisableIO();
}
if (type & 2)
{
t += t - mktime(gmtime(&t));
spi_uio_cmd_cont(UIO_TIMESTAMP);
spi_w(t);
spi_w(t >> 16);
DisableIO();
}
}
void user_io_init()
{
char *name;
char mainpath[64];
core_name[0] = 0;
disable_osd = 0;
memset(sd_image, 0, sizeof(sd_image));
ikbd_init();
tos_config_init();
core_type = (fpga_core_id() & 0xFF);
fio_size = fpga_get_fio_size();
io_ver = fpga_get_io_version();
if ((core_type != CORE_TYPE_DUMB) &&
(core_type != CORE_TYPE_MINIMIG2) &&
(core_type != CORE_TYPE_MIST) &&
(core_type != CORE_TYPE_ARCHIE) &&
(core_type != CORE_TYPE_8BIT))
{
core_type = CORE_TYPE_UNKNOWN;
fio_size = 0;
io_ver = 0;
}
spi_init(core_type != CORE_TYPE_UNKNOWN);
OsdSetSize(8);
if (core_type == CORE_TYPE_8BIT)
{
puts("Identified 8BIT core");
// forward SD card config to core in case it uses the local
// SD card implementation
user_io_sd_set_config();
// check if core has a config string
core_type_8bit_with_config_string = (user_io_8bit_get_string(0) != NULL);
// set core name. This currently only sets a name for the 8 bit cores
user_io_read_core_name();
// send a reset
user_io_8bit_set_status(UIO_STATUS_RESET, UIO_STATUS_RESET);
}
MiSTer_ini_parse();
parse_video_mode();
FileLoadConfig("Volume.dat", &vol_att, 1);
vol_att &= 0x1F;
spi_uio_cmd8(UIO_AUDVOL, vol_att);
user_io_send_buttons(1);
switch (core_type)
{
case CORE_TYPE_UNKNOWN:
printf("Unable to identify core (%x)!\n", core_type);
break;
case CORE_TYPE_DUMB:
puts("Identified core without user interface");
break;
case CORE_TYPE_MINIMIG2:
puts("Identified Minimig V2 core");
BootInit();
break;
case CORE_TYPE_MIST:
puts("Identified MiST core");
tos_upload(NULL);
break;
case CORE_TYPE_ARCHIE:
puts("Identified Archimedes core");
archie_init();
break;
case CORE_TYPE_8BIT:
// try to load config
name = user_io_create_config_name();
if(strlen(name) > 0)
{
OsdCoreNameSet(user_io_get_core_name());
printf("Loading config %s\n", name);
unsigned long status = 0;
if (FileLoadConfig(name, &status, 4))
{
printf("Found config\n");
user_io_8bit_set_status(status, 0xffffffff);
}
parse_config();
if (is_x86_core())
{
x86_config_load();
x86_init();
}
else
{
// check for multipart rom
sprintf(mainpath, "%s/boot0.rom", user_io_get_core_name());
if (user_io_file_tx(mainpath, 0))
{
sprintf(mainpath, "%s/boot1.rom", user_io_get_core_name());
if (user_io_file_tx(mainpath, 0x40))
{
sprintf(mainpath, "%s/boot2.rom", user_io_get_core_name());
if (user_io_file_tx(mainpath, 0x80))
{
sprintf(mainpath, "%s/boot3.rom", user_io_get_core_name());
user_io_file_tx(mainpath, 0xC0);
}
}
}
else
{
// legacy style of rom
sprintf(mainpath, "%s/boot.rom", user_io_get_core_name());
if (!user_io_file_tx(mainpath, 0))
{
strcpy(name + strlen(name) - 3, "ROM");
if (!user_io_file_tx(name, 0))
{
sprintf(mainpath, "bootrom/%s", name);
user_io_file_tx(mainpath, 0);
}
}
}
// check if there's a <core>.vhd present
sprintf(mainpath, "%s/boot.vhd", user_io_get_core_name());
user_io_set_index(0);
if (!user_io_file_mount(0, mainpath))
{
strcpy(name + strlen(name) - 3, "VHD");
user_io_file_mount(0, name);
}
}
}
send_rtc(3);
// release reset
user_io_8bit_set_status(0, UIO_STATUS_RESET);
break;
}
}
void user_io_analog_joystick(unsigned char joystick, char valueX, char valueY)
{
if (core_type == CORE_TYPE_8BIT)
{
uint16_t pos = valueY;
spi_uio_cmd8_cont(UIO_ASTICK, joystick);
if(io_ver) spi_w((pos<<8) | (uint8_t)(valueX));
else
{
spi8(valueX);
spi8(valueY);
}
DisableIO();
}
}
void user_io_digital_joystick(unsigned char joystick, uint16_t map)
{
if (joystick >= 6) return;
if (is_minimig())
{
if (joystick < 2) spi_uio_cmd16(UIO_JOYSTICK0 + joystick, map);
return;
}
// atari ST handles joystick 0 and 1 through the ikbd emulated by the io controller
// but only for joystick 1 and 2
if ((core_type == CORE_TYPE_MIST) && (joystick < 2))
{
ikbd_joystick(joystick, (uint8_t)map);
return;
}
spi_uio_cmd16((joystick < 2) ? (UIO_JOYSTICK0 + joystick) : (UIO_JOYSTICK2 + joystick - 2), map);
}
// transmit serial/rs232 data into core
void user_io_serial_tx(char *chr, uint16_t cnt)
{
spi_uio_cmd_cont(UIO_SERIAL_OUT);
while (cnt--) spi8(*chr++);
DisableIO();
}
char user_io_serial_status(serial_status_t *status_in, uint8_t status_out)
{
uint8_t i, *p = (uint8_t*)status_in;
spi_uio_cmd_cont(UIO_SERIAL_STAT);
// first byte returned by core must be "magic". otherwise the
// core doesn't support this request
if (spi_b(status_out) != 0xa5)
{
DisableIO();
return 0;
}
// read the whole structure
for (i = 0; i<sizeof(serial_status_t); i++) *p++ = spi_in();
DisableIO();
return 1;
}
// transmit midi data into core
void user_io_midi_tx(char chr)
{
spi_uio_cmd8(UIO_MIDI_OUT, chr);
}
// send ethernet mac address into FPGA
void user_io_eth_send_mac(uint8_t *mac)
{
uint8_t i;
spi_uio_cmd_cont(UIO_ETH_MAC);
for (i = 0; i<6; i++) spi8(*mac++);
DisableIO();
}
static uint8_t CSD[16] = { 0xf1, 0x40, 0x40, 0x0a, 0x80, 0x7f, 0xe5, 0xe9, 0x00, 0x00, 0x59, 0x5b, 0x32, 0x00, 0x0e, 0x40 };
static uint8_t CID[16] = { 0x3e, 0x00, 0x00, 0x34, 0x38, 0x32, 0x44, 0x00, 0x00, 0x73, 0x2f, 0x6f, 0x93, 0x00, 0xc7, 0xcd };
// set SD card info in FPGA (CSD, CID)
void user_io_sd_set_config(void)
{
CSD[6] = (uint8_t)(sd_image[0].size >> 9);
CSD[7] = (uint8_t)(sd_image[0].size >> 17);
CSD[8] = (uint8_t)(sd_image[0].size >> 25);
// forward it to the FPGA
spi_uio_cmd_cont(UIO_SET_SDCONF);
spi_write(CID, sizeof(CID), fio_size);
spi_write(CSD, sizeof(CSD), fio_size);
spi8(1); //SDHC permanently
DisableIO();
// hexdump(data, sizeof(data), 0);
}
// read 8+32 bit sd card status word from FPGA
uint16_t user_io_sd_get_status(uint32_t *lba)
{
uint32_t s;
uint16_t c;
spi_uio_cmd_cont(UIO_GET_SDSTAT);
if (io_ver)
{
c = spi_w(0);
s = spi_w(0);
s = (s & 0xFFFF) | (((uint32_t)spi_w(0))<<16);
}
else
{
//note: using 32bit big-endian transfer!
c = spi_in();
s = spi_in();
s = (s << 8) | spi_in();
s = (s << 8) | spi_in();
s = (s << 8) | spi_in();
}
DisableIO();
if (lba)
*lba = s;
return c;
}
// read 8 bit keyboard LEDs status from FPGA
uint16_t user_io_kbdled_get_status(void)
{
uint16_t c;
spi_uio_cmd_cont(UIO_GET_KBD_LED);
c = spi_w(0);
DisableIO();
return c;
}
uint8_t user_io_ps2_ctl(uint8_t *kbd_ctl, uint8_t *mouse_ctl)
{
uint16_t c;
uint8_t res = 0;
spi_uio_cmd_cont(UIO_PS2_CTL);
c = spi_w(0);
if (kbd_ctl) *kbd_ctl = (uint8_t)c;
res |= ((c >> 8) & 1);
c = spi_w(0);
if (mouse_ctl) *mouse_ctl = (uint8_t)c;
res |= ((c >> 7) & 2);
DisableIO();
return res;
}
// read 32 bit ethernet status word from FPGA
uint32_t user_io_eth_get_status(void)
{
uint32_t s;
spi_uio_cmd_cont(UIO_ETH_STATUS);
s = spi_in();
s = (s << 8) | spi_in();
s = (s << 8) | spi_in();
s = (s << 8) | spi_in();
DisableIO();
return s;
}
// read ethernet frame from FPGAs ethernet tx buffer
void user_io_eth_receive_tx_frame(uint8_t *d, uint16_t len)
{
spi_uio_cmd_cont(UIO_ETH_FRM_IN);
while (len--) *d++ = spi_in();
DisableIO();
}
// write ethernet frame to FPGAs rx buffer
void user_io_eth_send_rx_frame(uint8_t *s, uint16_t len)
{
spi_uio_cmd_cont(UIO_ETH_FRM_OUT);
spi_write(s, len, 0);
spi8(0); // one additional byte to allow fpga to store the previous one
DisableIO();
}
// 16 byte fifo for amiga key codes to limit max key rate sent into the core
#define KBD_FIFO_SIZE 16 // must be power of 2
static unsigned short kbd_fifo[KBD_FIFO_SIZE];
static unsigned char kbd_fifo_r = 0, kbd_fifo_w = 0;
static long kbd_timer = 0;
static void kbd_fifo_minimig_send(unsigned short code)
{
spi_uio_cmd8((code&OSD) ? UIO_KBD_OSD : UIO_KEYBOARD, code & 0xff);
kbd_timer = GetTimer(10); // next key after 10ms earliest
}
static void kbd_fifo_enqueue(unsigned short code)
{
// if fifo full just drop the value. This should never happen
if (((kbd_fifo_w + 1)&(KBD_FIFO_SIZE - 1)) == kbd_fifo_r)
return;
// store in queue
kbd_fifo[kbd_fifo_w] = code;
kbd_fifo_w = (kbd_fifo_w + 1)&(KBD_FIFO_SIZE - 1);
}
// send pending bytes if timer has run up
static void kbd_fifo_poll()
{
// timer enabled and runnig?
if (kbd_timer && !CheckTimer(kbd_timer))
return;
kbd_timer = 0; // timer == 0 means timer is not running anymore
if (kbd_fifo_w == kbd_fifo_r)
return;
kbd_fifo_minimig_send(kbd_fifo[kbd_fifo_r]);
kbd_fifo_r = (kbd_fifo_r + 1)&(KBD_FIFO_SIZE - 1);
}
void user_io_set_index(unsigned char index)
{
EnableFpga();
spi8(UIO_FILE_INDEX);
spi8(index);
DisableFpga();
}
int user_io_file_mount(int num, char *name)
{
int writable = 0;
int ret = 0;
if (x2trd_ext_supp(name))
{
ret = x2trd(name, sd_image+num);
}
else
{
writable = FileCanWrite(name);
ret = FileOpenEx(&sd_image[num], name, writable ? (O_RDWR | O_SYNC) : O_RDONLY);
}
if (!ret)
{
writable = 0;
sd_image[num].size = 0;
printf("Failed to open file %s\n", name);
printf("Eject image from %d slot\n", num);
}
else
{
printf("Mount %s as %s on %d slot\n", name, writable ? "read-write" : "read-only", num);
}
// send mounted image size first then notify about mounting
EnableIO();
spi8(UIO_SET_SDINFO);
if (io_ver)
{
spi_w((uint16_t)(sd_image[num].size));
spi_w((uint16_t)(sd_image[num].size>>16));
spi_w((uint16_t)(sd_image[num].size>>32));
spi_w((uint16_t)(sd_image[num].size>>48));
}
else
{
spi32le(sd_image[num].size);
spi32le(sd_image[num].size>>32);
}
DisableIO();
// notify core of possible sd image change
spi_uio_cmd8(UIO_SET_SDSTAT, (1<<num) | (writable ? 0 : 0x80));
return ret ? 1 : 0;
}
int user_io_file_tx(char* name, unsigned char index)
{
fileTYPE f = { 0 };
static uint8_t buf[512];
if (!FileOpen(&f, name)) return 0;
unsigned long bytes2send = f.size;
/* transmit the entire file using one transfer */
printf("Selected file %s with %lu bytes to send for index %d.%d\n", name, bytes2send, index&0x3F, index>>6);
// set index byte (0=bios rom, 1-n=OSD entry index)
user_io_set_index(index);
// send directory entry (for alpha amstrad core)
//EnableFpga();
//spi8(UIO_FILE_INFO);
//spi_write((void*)(DirEntry + sort_table[iSelectedEntry]), sizeof(DIRENTRY));
//DisableFpga();
// hexdump(DirEntry+sort_table[iSelectedEntry], sizeof(DIRENTRY), 0);
// prepare transmission of new file
EnableFpga();
spi8(UIO_FILE_TX);
spi8(0xff);
DisableFpga();
if (strlen(f.name) > 4 && !strcasecmp(f.name + strlen(f.name) - 4, ".tzx"))
{
printf("Processing TZX...\n");
EnableFpga();
spi8(UIO_FILE_TX_DAT);
tzx2csw(&f);
DisableFpga();
}
else
{
while (bytes2send)
{
printf(".");
uint16_t chunk = (bytes2send > 512) ? 512 : bytes2send;
FileReadSec(&f, buf);
EnableFpga();
spi8(UIO_FILE_TX_DAT);
spi_write(buf, chunk, fio_size);
DisableFpga();
bytes2send -= chunk;
}
}
FileClose(&f);
// signal end of transmission
EnableFpga();
spi8(UIO_FILE_TX);
spi8(0x00);
DisableFpga();
printf("\n");
return 1;
}
// 8 bit cores have a config string telling the firmware how
// to treat it
char *user_io_8bit_get_string(char index)
{
unsigned char i, lidx = 0, j = 0;
static char buffer[128 + 1]; // max 128 bytes per config item
// clear buffer
buffer[0] = 0;
spi_uio_cmd_cont(UIO_GET_STRING);
i = spi_in();
// the first char returned will be 0xff if the core doesn't support
// config strings. atari 800 returns 0xa4 which is the status byte
if ((i == 0xff) || (i == 0xa4))
{
DisableIO();
return NULL;
}
// printf("String: ");
while ((i != 0) && (i != 0xff) && (j<sizeof(buffer)))
{
if (i == ';') {
if (lidx == index) buffer[j++] = 0;
lidx++;
}
else {
if (lidx == index)
buffer[j++] = i;
}
// printf("%c", i);
i = spi_in();
}
DisableIO();
// printf("\n");
// if this was the last string in the config string list, then it still
// needs to be terminated
if (lidx == index) buffer[j] = 0;
// also return NULL for empty strings
if (!buffer[0]) return NULL;
return buffer;
}
unsigned long user_io_8bit_set_status(unsigned long new_status, unsigned long mask)
{
static unsigned long status = 0;
// if mask is 0 just return the current status
if (mask) {
// keep everything not masked
status &= ~mask;
// updated masked bits
status |= new_status & mask;
if(!io_ver) spi_uio_cmd8(UIO_SET_STATUS, status);
spi_uio_cmd32(UIO_SET_STATUS2, status, io_ver);
}
return status;
}
char kbd_reset = 0;
char old_video_mode = -1;
void user_io_send_buttons(char force)
{
static unsigned short key_map = 0;
unsigned short map = 0;
map = cfg.video_mode;
map = (map << CONF_RES_SHIFT) & CONF_RES_MASK;
int btn = fpga_get_buttons();
if (btn & BUTTON_OSD) map |= BUTTON1;
else if(btn & BUTTON_USR) map |= BUTTON2;
if (kbd_reset) map |= BUTTON2;
if (cfg.vga_scaler) map |= CONF_VGA_SCALER;
if (cfg.csync) map |= CONF_CSYNC;
if (cfg.ypbpr) map |= CONF_YPBPR;
if (cfg.forced_scandoubler) map |= CONF_FORCED_SCANDOUBLER;
if (cfg.hdmi_audio_96k) map |= CONF_AUDIO_96K;
if (cfg.dvi) map |= CONF_DVI;
if ((map != key_map) || force)
{
if (is_archie())
{
if ((key_map & BUTTON2) && !(map & BUTTON2))
{
fpga_load_rbf("Archie.rbf");
}
}
key_map = map;
spi_uio_cmd16(UIO_BUT_SW, map);
printf("sending keymap: %X\n", map);
if ((key_map & BUTTON2) && is_x86_core()) x86_init();
}
}
uint32_t diskled_timer = 0;
uint32_t diskled_is_on = 0;
void __inline diskled_on()
{
DISKLED_ON;
diskled_timer = GetTimer(50);
diskled_is_on = 1;
}
void kbd_reply(char code)
{
printf("kbd_reply = 0x%02X\n", code);
spi_uio_cmd16(UIO_KEYBOARD, 0xFF00 | code);
}
void mouse_reply(char code)
{
printf("mouse_reply = 0x%02X\n", code);
spi_uio_cmd16(UIO_MOUSE, 0xFF00 | code);
}
static uint8_t use_ps2ctl = 0;
static unsigned long rtc_timer = 0;
void user_io_rtc_reset()
{
rtc_timer = 0;
}
static int coldreset_req = 0;
void user_io_poll()
{
if ((core_type != CORE_TYPE_MINIMIG2) &&
(core_type != CORE_TYPE_MIST) &&
(core_type != CORE_TYPE_ARCHIE) &&
(core_type != CORE_TYPE_8BIT))
{
return; // no user io for the installed core
}
if (core_type == CORE_TYPE_MIST)
{
ikbd_poll();
unsigned char c = 0;
// check for incoming serial data. this is directly forwarded to the
// arm rs232 and mixes with debug output. Useful for debugging only of
// e.g. the diagnostic cartridge
spi_uio_cmd_cont(UIO_SERIAL_IN);
while (spi_in())
{
c = spi_in();
if (c != 0xff) putchar(c);
}
DisableIO();
}
user_io_send_buttons(0);
if (core_type == CORE_TYPE_MINIMIG2)
{
//HDD & FDD query
unsigned char c1, c2;
EnableFpga();
uint16_t tmp = spi_w(0);
c1 = (uint8_t)(tmp >> 8); // cmd request and drive number
c2 = (uint8_t)tmp; // track number
spi_w(0);
spi_w(0);
DisableFpga();
HandleFDD(c1, c2);
HandleHDD(c1, c2);
UpdateDriveStatus();
kbd_fifo_poll();
// frequently check mouse for events
if (CheckTimer(mouse_timer))
{
mouse_timer = GetTimer(MOUSE_FREQ);
// has ps2 mouse data been updated in the meantime
if (mouse_flags & 0x80)
{
if (!osd_is_visible)
{
spi_uio_cmd_cont(UIO_MOUSE);
// ----- X axis -------
if (mouse_pos[X] < -128)
{
spi8(-128);
mouse_pos[X] += 128;
}
else if (mouse_pos[X] > 127)
{
spi8(127);
mouse_pos[X] -= 127;
}
else
{
spi8(mouse_pos[X]);
mouse_pos[X] = 0;
}
// ----- Y axis -------
if (mouse_pos[Y] < -128)
{
spi8(-128);
mouse_pos[Y] += 128;
}
else if (mouse_pos[Y] > 127)
{
spi8(127);
mouse_pos[Y] -= 127;
}
else
{
spi8(mouse_pos[Y]);
mouse_pos[Y] = 0;
}
spi8(mouse_flags & 0x07);
DisableIO();
}
else
{
mouse_pos[X] = 0;
mouse_pos[Y] = 0;
}
// reset flags
mouse_flags = 0;
}
}
if (!rtc_timer || CheckTimer(rtc_timer))
{
// Update once per minute should be enough
rtc_timer = GetTimer(60000);
send_rtc(1);
}
}
if (core_type == CORE_TYPE_MIST)
{
// do some tos specific monitoring here
tos_poll();
}
if (core_type == CORE_TYPE_8BIT)
{
/*
unsigned char c = 1, f, p = 0;
// check for serial data to be sent
// check for incoming serial data. this is directly forwarded to the
// arm rs232 and mixes with debug output.
spi_uio_cmd_cont(UIO_SIO_IN);
// status byte is 1000000A with A=1 if data is available
if ((f = spi_in(0)) == 0x81)
{
printf("\033[1;36m");
// character 0xff is returned if FPGA isn't configured
while ((f == 0x81) && (c != 0xff) && (c != 0x00) && (p < 8))
{
c = spi_in();
if (c != 0xff && c != 0x00) printf("%c", c);
f = spi_in();
p++;
}
printf("\033[0m");
}
DisableIO();
*/
// sd card emulation
if (is_x86_core())
{
x86_poll();
}
else
{
static char buffer[4][512];
static uint64_t buffer_lba[4] = { -1,-1,-1,-1 };
uint32_t lba;
uint16_t c = user_io_sd_get_status(&lba);
//if(c&3) printf("user_io_sd_get_status: cmd=%02x, lba=%08x\n", c, lba);
// valid sd commands start with "5x" to avoid problems with
// cores that don't implement this command
if ((c & 0xf0) == 0x50)
{
// check if core requests configuration
if (c & 0x08)
{
printf("core requests SD config\n");
user_io_sd_set_config();
}
if(c & 0x3802)
{
int disk = 3;
if (c & 0x0002) disk = 0;
else if (c & 0x0800) disk = 1;
else if (c & 0x1000) disk = 2;
// only write if the inserted card is not sdhc or
// if the core uses sdhc
if(c & 0x04)
{
//printf("SD WR %d on %d\n", lba, disk);
buffer_lba[disk] = lba;
// Fetch sector data from FPGA ...
spi_uio_cmd_cont(UIO_SECTOR_WR);
spi_block_read(buffer[disk], fio_size);
DisableIO();
// ... and write it to disk
int done = 0;
if (sd_image[disk].size)
{
diskled_on();
if (FileSeekLBA(&sd_image[disk], lba))
{
if (FileWriteSec(&sd_image[disk], buffer[disk])) done = 1;
}
}
if (!done) buffer_lba[disk] = -1;
}
}
else
if (c & 0x0701)
{
int disk = 3;
if (c & 0x0001) disk = 0;
else if (c & 0x0100) disk = 1;
else if (c & 0x0200) disk = 2;
//printf("SD RD %d on %d\n", lba, disk);
int done = 0;
if (buffer_lba[disk] != lba)
{
if (sd_image[disk].size)
{
diskled_on();
if (FileSeekLBA(&sd_image[disk], lba))
{
if (FileReadSec(&sd_image[disk], buffer[disk]))
{
done = 1;
}
}
}
//Even after error we have to provide the block to the core
//Give an empty block.
if (!done) memset(buffer[disk], 0, sizeof(buffer[disk]));
buffer_lba[disk] = lba;
}
if(buffer_lba[disk] == lba)
{
//hexdump(buffer, 32, 0);
// data is now stored in buffer. send it to fpga
spi_uio_cmd_cont(UIO_SECTOR_RD);
spi_block_write(buffer[disk], fio_size);
DisableIO();
}
// just load the next sector now, so it may be prefetched
// for the next request already
done = 0;
if (sd_image[disk].size)
{
diskled_on();
if (FileSeekLBA(&sd_image[disk], lba + 1))
{
if (FileReadSec(&sd_image[disk], buffer[disk]))
{
done = 1;
}
}
}
if(done) buffer_lba[disk] = lba + 1;
}
}
if(diskled_is_on && CheckTimer(diskled_timer))
{
DISKLED_OFF;
diskled_is_on = 0;
}
}
// frequently check ps2 mouse for events
if (CheckTimer(mouse_timer))
{
mouse_timer = GetTimer(MOUSE_FREQ);
// has ps2 mouse data been updated in the meantime
if (mouse_flags & 0x08)
{
unsigned char ps2_mouse[3];
// PS2 format:
// YOvfl, XOvfl, dy8, dx8, 1, mbtn, rbtn, lbtn
// dx[7:0]
// dy[7:0]
ps2_mouse[0] = mouse_flags;
// ------ X axis -----------
// store sign bit in first byte
ps2_mouse[0] |= (mouse_pos[X] < 0) ? 0x10 : 0x00;
if (mouse_pos[X] < -255)
{
// min possible value + overflow flag
ps2_mouse[0] |= 0x40;
ps2_mouse[1] = 1; // -255
}
else if (mouse_pos[X] > 255)
{
// max possible value + overflow flag
ps2_mouse[0] |= 0x40;
ps2_mouse[1] = 255;
}
else
{
ps2_mouse[1] = mouse_pos[X];
}
// ------ Y axis -----------
// store sign bit in first byte
ps2_mouse[0] |= (mouse_pos[Y] < 0) ? 0x20 : 0x00;
if (mouse_pos[Y] < -255)
{
// min possible value + overflow flag
ps2_mouse[0] |= 0x80;
ps2_mouse[2] = 1; // -255;
}
else if (mouse_pos[Y] > 255)
{
// max possible value + overflow flag
ps2_mouse[0] |= 0x80;
ps2_mouse[2] = 255;
}
else
{
ps2_mouse[2] = mouse_pos[Y];
}
// collect movement info and send at predefined rate
if (is_menu_core() && !(ps2_mouse[0] == 0x08 && ps2_mouse[1] == 0 && ps2_mouse[2] == 0))
printf("PS2 MOUSE: %x %d %d\n", ps2_mouse[0], ps2_mouse[1], ps2_mouse[2]);
if (!osd_is_visible)
{
spi_uio_cmd_cont(UIO_MOUSE);
spi8(ps2_mouse[0]);
spi8(ps2_mouse[1]);
spi8(ps2_mouse[2]);
DisableIO();
}
// reset counters
mouse_flags = 0;
mouse_pos[X] = mouse_pos[Y] = 0;
}
}
}
if (core_type == CORE_TYPE_ARCHIE) archie_poll();
static uint8_t leds = 0;
if(use_ps2ctl)
{
leds |= (KBD_LED_FLAG_STATUS | KBD_LED_CAPS_CONTROL);
uint8_t kbd_ctl, mouse_ctl;
uint8_t ps2ctl = user_io_ps2_ctl(&kbd_ctl, &mouse_ctl);
if (ps2ctl & 1)
{
static uint8_t cmd = 0;
static uint8_t byte = 0;
printf("kbd_ctl = 0x%02X\n", kbd_ctl);
if (!byte)
{
cmd = kbd_ctl;
switch (cmd)
{
case 0xff:
kbd_reply(0xFA);
kbd_reply(0xAA);
break;
case 0xf2:
kbd_reply(0xFA);
kbd_reply(0xAB);
kbd_reply(0x83);
break;
case 0xf4:
case 0xf5:
case 0xfa:
kbd_reply(0xFA);
break;
case 0xed:
kbd_reply(0xFA);
byte++;
break;
default:
kbd_reply(0xFE);
break;
}
}
else
{
switch (cmd)
{
case 0xed:
kbd_reply(0xFA);
byte = 0;
if (kbd_ctl & 4) leds |= KBD_LED_CAPS_STATUS;
else leds &= ~KBD_LED_CAPS_STATUS;
break;
default:
byte = 0;
break;
}
}
}
if (ps2ctl & 2)
{
static uint8_t cmd = 0;
static uint8_t byte = 0;
printf("mouse_ctl = 0x%02X\n", mouse_ctl);
if (!byte)
{
cmd = mouse_ctl;
switch (cmd)
{
case 0xe8:
case 0xf3:
mouse_reply(0xFA);
byte++;
break;
case 0xf2:
mouse_reply(0xFA);
mouse_reply(0x00);
break;
case 0xe6:
case 0xea:
case 0xf0:
case 0xf4:
case 0xf5:
case 0xf6:
mouse_reply(0xFA);
break;
case 0xe9:
mouse_reply(0xFA);
mouse_reply(0x00);
mouse_reply(0x00);
mouse_reply(0x00);
break;
case 0xff:
mouse_reply(0xFA);
mouse_reply(0xAA);
mouse_reply(0x00);
break;
default:
mouse_reply(0xFE);
break;
}
}
else
{
switch (cmd)
{
case 0xf3:
case 0xe8:
mouse_reply(0xFA);
byte = 0;
break;
default:
byte = 0;
break;
}
}
}
}
if (CheckTimer(led_timer))
{
led_timer = GetTimer(LED_FREQ);
if (!use_ps2ctl)
{
uint16_t s = user_io_kbdled_get_status();
if(s & 0x100) use_ps2ctl = 1;
if (!use_ps2ctl) leds = (uint8_t)s;
}
if ((leds & KBD_LED_FLAG_MASK) != KBD_LED_FLAG_STATUS) leds = 0;
if ((keyboard_leds & KBD_LED_CAPS_MASK) != (leds & KBD_LED_CAPS_MASK))
set_kbdled(HID_LED_CAPS_LOCK, (leds & KBD_LED_CAPS_CONTROL) ? leds & KBD_LED_CAPS_STATUS : caps_status);
if ((keyboard_leds & KBD_LED_NUM_MASK) != (leds & KBD_LED_NUM_MASK))
set_kbdled(HID_LED_NUM_LOCK, (leds & KBD_LED_NUM_CONTROL) ? leds & KBD_LED_NUM_STATUS : num_status);
if ((keyboard_leds & KBD_LED_SCRL_MASK) != (leds & KBD_LED_SCRL_MASK))
set_kbdled(HID_LED_SCROLL_LOCK, (leds & KBD_LED_SCRL_CONTROL) ? leds & KBD_LED_SCRL_STATUS : scrl_status);
keyboard_leds = leds;
}
static uint32_t res_timer = 0;
if(!res_timer || CheckTimer(res_timer))
{
res_timer = GetTimer(2000); // every 2 sec
static uint8_t nres = 0;
spi_uio_cmd_cont(UIO_GET_VRES);
uint8_t res = spi_in();
if (nres != res)
{
nres = res;
uint32_t width = spi_w(0) | (spi_w(0) << 16);
uint32_t height = spi_w(0) | (spi_w(0) << 16);
uint32_t htime = spi_w(0) | (spi_w(0) << 16);
uint32_t vtime = spi_w(0) | (spi_w(0) << 16);
uint32_t ptime = spi_w(0) | (spi_w(0) << 16);
float vrate = 100000000;
vrate /= vtime;
float hrate = 100000;
hrate /= htime;
float prate = width*100;
prate /= ptime;
printf("\033[1;33mINFO: Video resolution: %u x %u, fHorz = %.1fKHz, fVert = %.1fHz, fPix = %.2fMHz\033[0m\n", width, height, hrate, vrate, prate);
}
DisableIO();
}
static int prev_coldreset_req = 0;
static uint32_t reset_timer = 0;
if (!prev_coldreset_req && coldreset_req)
{
reset_timer = GetTimer(1000);
}
if (!coldreset_req && prev_coldreset_req)
{
fpga_load_rbf("menu.rbf");
}
prev_coldreset_req = coldreset_req;
if (reset_timer && CheckTimer(reset_timer))
{
reboot(1);
}
if (vol_set_timeout && CheckTimer(vol_set_timeout))
{
vol_set_timeout = 0;
FileSaveConfig("Volume.dat", &vol_att, 1);
}
}
char user_io_dip_switch1()
{
return 0;
}
char user_io_menu_button()
{
return((fpga_get_buttons() & BUTTON_OSD) ? 1 : 0);
}
char user_io_user_button()
{
return((!user_io_menu_button() && (fpga_get_buttons() & BUTTON_USR)) ? 1 : 0);
}
static void send_keycode(unsigned short key, int press)
{
if (core_type == CORE_TYPE_MINIMIG2)
{
if (press > 1) return;
uint32_t code = get_amiga_code(key);
if (code == NONE) return;
if (code & CAPS_TOGGLE)
{
if (press = 1)
{
// send alternating make and break codes for caps lock
if(caps_lock_toggle) code |= 0x80;
caps_lock_toggle = !caps_lock_toggle;
set_kbd_led(HID_LED_CAPS_LOCK, caps_lock_toggle);
}
else
{
return;
}
}
else
{
// amiga has "break" marker in msb
if (!press) code |= 0x80;
}
code &= 0xff;
// send immediately if possible
if (CheckTimer(kbd_timer) && (kbd_fifo_w == kbd_fifo_r))
{
kbd_fifo_minimig_send(code);
}
else
{
kbd_fifo_enqueue(code);
}
return;
}
if (core_type == CORE_TYPE_MIST)
{
if (press > 1) return;
uint32_t code = get_atari_code(key);
if (code == NONE) return;
// atari has "break" marker in msb
if (!press) code = (code & 0xff) | 0x80;
ikbd_keyboard(code);
return;
}
if (core_type == CORE_TYPE_8BIT)
{
uint32_t code = get_ps2_code(key);
if (code == NONE) return;
//pause
if ((code & 0xff) == 0xE1)
{
// pause does not have a break code
if (press != 1)
{
// Pause key sends E11477E1F014E077
static const unsigned char c[] = { 0xe1, 0x14, 0x77, 0xe1, 0xf0, 0x14, 0xf0, 0x77, 0x00 };
const unsigned char *p = c;
spi_uio_cmd_cont(UIO_KEYBOARD);
printf("PS2 PAUSE CODE: ");
while (*p)
{
printf("%x ", *p);
spi8(*p++);
}
printf("\n");
DisableIO();
}
}
// print screen
else if ((code & 0xff) == 0xE2)
{
if (press <= 1)
{
static const unsigned char c[2][8] = {
{ 0xE0, 0xF0, 0x7C, 0xE0, 0xF0, 0x12, 0x00, 0x00 },
{ 0xE0, 0x12, 0xE0, 0x7C, 0x00, 0x00, 0x00, 0x00 }
};
const unsigned char *p = c[press];
spi_uio_cmd_cont(UIO_KEYBOARD);
printf("PS2 PRINT CODE: ");
while (*p)
{
printf("%x ", *p);
spi8(*p++);
}
printf("\n");
DisableIO();
}
}
else
{
if (press > 1 && !use_ps2ctl) return;
spi_uio_cmd_cont(UIO_KEYBOARD);
// prepend extended code flag if required
if (code & EXT) spi8(0xe0);
// prepend break code if required
if (!press) spi8(0xf0);
// send code itself
spi8(code & 0xff);
DisableIO();
}
}
if (core_type == CORE_TYPE_ARCHIE)
{
if (press > 1) return;
uint32_t code = get_archie_code(key);
if (code == NONE) return;
//WIN+...
if (get_key_mod() & (RGUI | LGUI))
{
switch(code)
{
case 0x00: code = 0xf; //ESC = BRAKE
break;
case 0x11: code = 0x73; // 1 = Mouse extra 1
break;
case 0x12: code = 0x74; // 2 = Mouse extra 2
break;
case 0x13: code = 0x25; // 3 = KP#
break;
}
}
if (code == 0 && (get_key_mod() & (RGUI | LGUI)))
{
code = 0xF;
}
if (!press) code |= 0x8000;
archie_kbd(code);
}
}
void user_io_mouse(unsigned char b, int16_t x, int16_t y)
{
// send mouse data as minimig expects it
if (core_type == CORE_TYPE_MINIMIG2)
{
mouse_pos[X] += x;
mouse_pos[Y] += y;
mouse_flags |= 0x80 | (b & 7);
}
// 8 bit core expects ps2 like data
if (core_type == CORE_TYPE_8BIT)
{
mouse_pos[X] += x;
mouse_pos[Y] -= y; // ps2 y axis is reversed over usb
mouse_flags |= 0x08 | (b & 7);
}
// send mouse data as mist expects it
if (core_type == CORE_TYPE_MIST) ikbd_mouse(b, x, y);
if (core_type == CORE_TYPE_ARCHIE) archie_mouse(b, x, y);
}
/* usb modifer bits:
0 1 2 3 4 5 6 7
LCTRL LSHIFT LALT LGUI RCTRL RSHIFT RALT RGUI
*/
#define EMU_BTN1 (0+(keyrah*4)) // left control
#define EMU_BTN2 (1+(keyrah*4)) // left shift
#define EMU_BTN3 (2+(keyrah*4)) // left alt
#define EMU_BTN4 (3+(keyrah*4)) // left gui (usually windows key)
extern configTYPE config;
void user_io_check_reset(unsigned short modifiers, char useKeys)
{
unsigned short combo[] =
{
0x45, // lctrl+lalt+ralt
0x89, // lctrl+lgui+rgui
0x105, // lctrl+lalt+del
};
if (useKeys >= (sizeof(combo) / sizeof(combo[0]))) useKeys = 0;
if ((modifiers & ~2) == combo[useKeys])
{
if (modifiers & 2) // with lshift - cold reset
{
coldreset_req = 1;
}
else
switch (core_type)
{
case CORE_TYPE_MINIMIG2:
MinimigReset();
break;
case CORE_TYPE_ARCHIE:
case CORE_TYPE_8BIT:
kbd_reset = 1;
break;
}
}
else
{
coldreset_req = 0;
kbd_reset = 0;
}
}
void user_io_osd_key_enable(char on)
{
printf("OSD is now %s\n", on ? "visible" : "invisible");
osd_is_visible = on;
}
static char key_used_by_osd(uint32_t s)
{
// this key is only used to open the OSD and has no keycode
if (s & OSD_OPEN) return 1;
// no keys are suppressed if the OSD is inactive
return osd_is_visible;
}
void set_volume()
{
vol_set_timeout = GetTimer(1000);
spi_uio_cmd8(UIO_AUDVOL, vol_att);
if (vol_att & 0x10)
{
InfoMessageEx("\n\n Audio muted", 1000);
}
else
{
char str[64];
memset(str, 0, sizeof(str));
int vol = vol_att & 0xf;
sprintf(str, "\n\n Volume %d dB\n ", -3*vol);
memset(str + strlen(str), 0x7f, 16-vol);
InfoMessageEx(str, 1000);
}
}
void user_io_kbd(uint16_t key, int press)
{
if (key == KEY_MUTE)
{
if (press == 1 && !osd_is_visible && !is_menu_core())
{
vol_att ^= 0x10;
set_volume();
}
}
else
if (key == KEY_VOLUMEDOWN)
{
if (press && !osd_is_visible && !is_menu_core())
{
if(vol_att & 0x10) vol_att ^= 0x10;
else if((vol_att & 0xF) < 15) vol_att += 1;
set_volume();
}
}
else
if (key == KEY_VOLUMEUP)
{
if (press && !osd_is_visible && !is_menu_core())
{
if (vol_att & 0x10) vol_att ^= 0x10;
else if(vol_att & 0xF) vol_att -= 1;
set_volume();
}
}
else
if (key == 0xBE)
{
if (press)
{
setBrightness(BRIGHTNESS_DOWN, 0);
vol_set_timeout = GetTimer(1000);
}
}
else
if (key == 0xBF)
{
if (press)
{
setBrightness(BRIGHTNESS_UP, 0);
vol_set_timeout = GetTimer(1000);
}
}
else
if ((core_type == CORE_TYPE_MINIMIG2) ||
(core_type == CORE_TYPE_MIST) ||
(core_type == CORE_TYPE_ARCHIE) ||
(core_type == CORE_TYPE_8BIT))
{
if (key)
{
uint32_t code = get_ps2_code(key);
if (!press)
{
if (is_menu_core()) printf("PS2 code(break)%s for core: %d(0x%X)\n", (code & EXT) ? "(ext)" : "", code & 255, code & 255);
if (key == KEY_MENU) key = KEY_F12;
if (osd_is_visible) menu_key_set(UPSTROKE | key);
//don't block depress so keys won't stick in core if pressed before OSD.
send_keycode(key, press);
}
else
{
if (is_menu_core()) printf("PS2 code(make)%s for core: %d(0x%X)\n", (code & EXT) ? "(ext)" : "", code & 255, code & 255);
if ((has_menu() || osd_is_visible || (get_key_mod() & (LALT | RALT | RGUI | LGUI))) && (((key == KEY_F12) && ((!is_x86_core() && !is_archie()) || (get_key_mod() & (RGUI | LGUI)))) || key == KEY_MENU)) menu_key_set(KEY_F12);
else if (osd_is_visible)
{
if (press == 1) menu_key_set(key);
}
else
{
if ((code & EMU_SWITCH_1) || ((code & EMU_SWITCH_2) && !use_ps2ctl && !is_archie()))
{
if (press == 1)
{
// num lock has four states indicated by leds:
// all off: normal
// num lock on, scroll lock on: mouse emu
// num lock on, scroll lock off: joy0 emu
// num lock off, scroll lock on: joy1 emu
switch (code & 0xff)
{
case 1:
if (!joy_force) emu_mode = EMU_MOUSE;
break;
case 2:
emu_mode = EMU_JOY0;
break;
case 3:
emu_mode = EMU_JOY1;
break;
case 4:
if (!joy_force) emu_mode = EMU_NONE;
break;
default:
if (joy_force) emu_mode = (emu_mode == EMU_JOY0) ? EMU_JOY1 : EMU_JOY0;
else
{
emu_mode = (emu_mode + 1) & 3;
if(cfg.kbd_nomouse && emu_mode == EMU_MOUSE) emu_mode = (emu_mode + 1) & 3;
}
break;
}
input_notify_mode();
if (emu_mode == EMU_MOUSE || emu_mode == EMU_JOY0) set_kbd_led(HID_LED_NUM_LOCK, true);
else set_kbd_led(HID_LED_NUM_LOCK, false);
if (emu_mode == EMU_MOUSE || emu_mode == EMU_JOY1) set_kbd_led(HID_LED_SCROLL_LOCK, true);
else set_kbd_led(HID_LED_SCROLL_LOCK, false);
set_emu_leds();
}
}
else
{
if(key == KEY_MENU) key = KEY_F12;
send_keycode(key, press);
}
}
}
}
}
}
unsigned char user_io_ext_idx(char *name, char* ext)
{
unsigned char idx = 0;
int len = strlen(ext);
printf("Subindex of \"%s\" in \"%s\": ", name, ext);
while ((len>3) && *ext)
{
if (!strncasecmp(name + strlen(name) - 3, ext, 3))
{
printf("%d\n", idx);
return idx;
}
if (strlen(ext) <= 3) break;
idx++;
ext += 3;
}
printf("0\n", name, ext, 0);
return 0;
}
emu_mode_t user_io_get_kbdemu()
{
return emu_mode;
}
int getPLL(double Fout, uint32_t *M, uint32_t *K, uint32_t *C)
{
uint32_t c = 1;
while ((Fout*c) < 400) c++;
printf("Calculate PLL for %.3f MHz:\n",Fout);
while (1)
{
printf("C=%d, ", c);
*C = c;
double fvco = Fout*c;
printf("Fvco=%f, ", fvco);
uint32_t m = (uint32_t)(fvco / 50);
printf("M=%d, ", m);
*M = m;
double ko = ((fvco / 50) - m);
printf("K_orig=%f, ", ko);
uint32_t k = (uint32_t)(ko * 4294967296);
if (!k) k = 1;
printf("K=%u. ", k);
*K = k;
if (ko && (ko <= 0.05f || ko >= 0.95f))
{
if (fvco > 1500.f)
{
printf("Fvco > 1500MHz. Cannot calculate PLL parameters!");
return 0;
}
printf("K_orig is outside desired range try next C0\n");
c++;
}
else
{
printf("\n");
return 1;
}
}
}
uint32_t getPLLdiv(uint32_t div)
{
if (div & 1) return 0x20000 | (((div / 2)+1) << 8) | (div / 2);
return ((div / 2) << 8) | (div / 2);
}
struct
{
uint32_t vpar[8];
double Fpix;
} vmodes[8] =
{
{ {1280, 110, 40, 220, 720, 5, 5, 20}, 74.25 },
{ {1024, 24, 136, 160, 768, 3, 6, 29}, 65 },
{ {720, 16, 62, 60, 480, 9, 6, 30}, 27 },
{ {720, 12, 64, 68, 576, 5, 5, 39}, 27 },
{ {1280, 48, 112, 248, 1024, 1, 3, 38}, 108 },
{ {800, 40, 128, 88, 600, 1, 4, 23}, 40 },
{ {640, 16, 96, 48, 480, 10, 2, 33}, 25.175 },
{ {1280, 440, 40, 220, 720, 5, 5, 20}, 74.25 }
};
uint32_t vitems[32];
static int parse_custom_video_mode()
{
char *vcfg = cfg.video_conf;
int cnt = 0;
while (*vcfg)
{
char *next;
if (cnt == 9 && vitems[0] == 1)
{
double Fout = strtod(vcfg, &next);
if (vcfg == next || (Fout < 20.f || Fout > 200.f))
{
printf("Error parsing video_mode parameter: ""%s""\n", cfg.video_conf);
return 0;
}
uint32_t M, K, C;
if (!getPLL(Fout, &M, &K, &C)) return 0;
vitems[9] = 4;
vitems[10] = getPLLdiv(M);
vitems[11] = 3;
vitems[12] = 0x10000;
vitems[13] = 5;
vitems[14] = getPLLdiv(C);
vitems[15] = 9;
vitems[16] = 2;
vitems[17] = 8;
vitems[18] = 7;
vitems[19] = 7;
vitems[20] = K;
break;
}
uint32_t val = strtoul(vcfg, &next, 0);
if (vcfg == next || (*next != ',' && *next))
{
printf("Error parsing video_mode parameter: ""%s""\n", cfg.video_conf);
return 0;
}
if (cnt < 32) vitems[cnt] = val;
if (*next == ',') next++;
vcfg = next;
cnt++;
}
if (cnt == 1)
{
printf("Set predefined video_mode to %d\n", vitems[0]);
return vitems[0];
}
if ((vitems[0] == 0 && cnt < 21) || (vitems[0] == 1 && cnt < 9))
{
printf("Incorrect amount of items in video_mode parameter: %d\n", cnt);
return 0;
}
if (vitems[0] > 1)
{
printf("Incorrect video_mode parameter\n");
return 0;
}
return -1;
}
void parse_video_mode()
{
// always 0. Use custom parameters.
cfg.video_mode = 0;
int mode = parse_custom_video_mode();
if (mode >= 0)
{
if (mode >= 8) mode = 0;
for (int i = 0; i < 8; i++)
{
vitems[i + 1] = vmodes[mode].vpar[i];
}
uint32_t M, K, C;
getPLL(vmodes[mode].Fpix, &M, &K, &C);
vitems[9] = 4;
vitems[10] = getPLLdiv(M);
vitems[11] = 3;
vitems[12] = 0x10000;
vitems[13] = 5;
vitems[14] = getPLLdiv(C);
vitems[15] = 9;
vitems[16] = 2;
vitems[17] = 8;
vitems[18] = 7;
vitems[19] = 7;
vitems[20] = K;
}
printf("Send HDMI parameters:\n");
spi_uio_cmd_cont(UIO_SET_VIDEO);
printf("video: ");
for (int i = 1; i <= 8; i++)
{
spi_w(vitems[i]);
printf("%d, ", vitems[i]);
}
printf("\nPLL: ");
for (int i = 9; i < 21; i++)
{
printf("0x%X, ", vitems[i]);
if (i & 1) spi_w(vitems[i]);
else
{
spi_w(vitems[i]);
spi_w(vitems[i] >> 16);
}
}
printf("\n");
DisableIO();
}
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