void draw_fsel(void) {
uint8_t i;
char *uptr;
fsel_hasnextpage = 1;
ser_puts("opendir");
if (philes_opendir() == FR_OK) {
ser_puts(" ok"); ser_nl();
// skip until pagestart
if (fsel_pagestart != 0) {
for (i = 0; i < fsel_pagestart; i++) {
if (philes_nextfile(0, 0) != FR_OK) {
fsel_pagestart = 0;
break;
}
}
}
// show files
for (i = 0; i < FSEL_PAGESIZE; i++) {
uptr = dmem + fsel_index2offs(i);
memset(uptr, 32, 12);
if (philes_nextfile(uptr, 0) != FR_OK) {
fsel_hasnextpage = 0;
// keep filling the screen though
}
}
}
}
void main(void) {
BYTE res;
//UINT bytesread;
//FIL file1;
DRESULT result;
FRESULT fresult;
SLAVE_STATUS = 0;
GREEN_LEDS = 0xC3;
ser_puts("@");
delay2(10);
ser_nl(); ser_puts(cnotice1);
ser_nl(); ser_puts(cnotice2);
thrall(ptrfile, Buffer);
// for(;;) {
// philes_mount();
// fresult = philes_opendir();
//
// if (fresult == FR_OK) {
// philes_nextfile(ptrfile+10, 1);
// }
// ser_puts("=> "); ser_puts(ptrfile); ser_nl();
//
// useimage(ptrfile, Buffer);
// ser_puts("RELOAD");
// delay2(100);
// }
print_result(result);
ser_puts("\r\nWTF?");
}
void print_result(DRESULT result) {
switch (result) {
case 0:
break;
default:
ser_puts(" :( ");
print_hex((BYTE)result);
ser_nl();
break;
}
}
void serial_test(void) {
// serial communication
ser_init(ser115200); // init
char* console = (char*) "\nlightOs> "; // console message
char* buffer;
int buffer_len = 64; // size of buffer
char* recString;
ser_puts((const signed char*) "\n welcome to lightOS\n");
while(1)
{
buffer = (char*) malloc(sizeof(char)*buffer_len);
ser_puts((const signed char*) console);
recString = ser_gets(buffer, buffer_len);
ser_puts((const signed char*) recString);
free(buffer);
}
}
void main ( void )
{
init_ext1();
HW_delay(2);
init_timer0();
HW_delay(2);
init_serial();
HW_delay(300);
ser_puts("Ola!");
for (;;){ // main loop.
HW_delay(1);
}
}
uint8_t menu_dispatch(uint8_t tick) {
uint8_t result = MENURESULT_NOTHING;
if (tick && (state == STATE_ABOOT2)) {
aboot_anim();
}
if (inactivity) inactivity--;
if (!inactivity && state == STATE_FSEL) {
menu_init();
}
if (JOYSTICK != joy_status) {
joy_status = JOYSTICK;
inactivity = INACTIVITY;
switch (state) {
case STATE_ABOOT:
if (joy_status == 0) {
state = STATE_ABOOT2;
}
break;
case STATE_MENU:
if (joy_status & JOY_UP) menu_y = 0;
else if (joy_status & JOY_DN) menu_y = 2;
else menu_y = 1;
if (joy_status & JOY_LT) menu_x = 0;
else if (joy_status & JOY_RT) menu_x = 2;
else menu_x = 1;
draw_menu();
if (joy_status & JOY_FIRE) {
state = STATE_WAITBREAK;
menu_selected = menu_x+menu_y*3;
}
break;
case STATE_WAITBREAK:
if (!(joy_status & JOY_FIRE)) {
switch_state();
}
break;
case STATE_WAITBREAK2:
if (!(joy_status & JOY_FIRE)) {
fsel_getselected(ptrfile + 10);
ser_puts("Selected image: "); ser_puts(ptrfile); ser_nl();
menu_init();
result = MENURESULT_DISK;
}
break;
case STATE_ABOOT2:
if (!(joy_status & JOY_FIRE)) {
menu_init();
}
break;
case STATE_FSEL:
if (joy_status & JOY_UP) {
if (menu_y > 0) {
menu_y -= 1;
} else if (fsel_pagestart != 0) {
fsel_pagestart -= FSEL_PAGESIZE-1;
menu_y = FSEL_NLINES-1;
fsel_redraw = 1;
}
}
if (joy_status & JOY_DN) {
if (menu_y < FSEL_NLINES-1) {
menu_y += 1;
} else if (fsel_hasnextpage) {
menu_y = 0;
fsel_pagestart += FSEL_PAGESIZE-1;
fsel_redraw = 1;
}
}
if (joy_status & JOY_LT) {
menu_x = (menu_x - 1) % 2;
}
if (joy_status & JOY_RT) {
menu_x = (menu_x + 1) % 2;
}
if (fsel_redraw) {
fsel_redraw = 0;
draw_fsel();
}
fsel_showselection(0);
menu_selected = menu_y*2 + menu_x;
fsel_showselection(1);
if (joy_status & JOY_FIRE != 0) {
state = STATE_WAITBREAK2;
}
break;
}
}
return result;
}
int main(void (*sr_read)(unsigned int start_sector,
char *buffer, int num_sectors),
void (*ser_puts)(const char *buffer))
{
char *dst = (char *)LINUX_LOADADDR;
const struct mbr_part *part;
unsigned found = 0;
unsigned int i;
BUILD_BUG_ON(sizeof(struct mbr_part) != 16);
BUILD_BUG_ON(sizeof(struct mbr) != SECT_SIZE);
if (mbr->sig != MBR_SIG) {
ser_puts("S");
die();
}
for (i = 0; i < NUM_PE; i++) {
part = &mbr->pe[i];
/* First partition is Linux */
if (part->type != PART_TYPE_OTHER_DATA) {
ser_puts("P");
continue;
}
ser_puts("L");
sr_read(part->lba, dst, part->num_sects);
ser_puts(".\r\n");
found = 1;
break;
}
if (!found) {
dbg_str("N");
die();
}
/* Prepare ATAGS */
atags->hdr.tag = ATAG_CORE;
atags->hdr.size = atag_size(atag_core);
atags->u.core.flags = 1;
atags->u.core.pagesize = 4096;
atags->u.core.rootdev = 0;
atags = atag_next(atags);
#if (SDRAM_SIZE_MB > 32)
#error "Need to add additional ATAG_MEM for second bank!"
#endif
atags->hdr.tag = ATAG_MEM;
atags->hdr.size = atag_size(atag_mem);
atags->u.mem.start = 0;
atags->u.mem.size = 8 << 20;
atags = atag_next(atags);
atags->hdr.tag = ATAG_MEM;
atags->hdr.size = atag_size(atag_mem);
atags->u.mem.start = 0x1000000;
atags->u.mem.size = 8 << 20;
atags = atag_next(atags);
atags->hdr.tag = ATAG_MEM;
atags->hdr.size = atag_size(atag_mem);
atags->u.mem.start = 0x4000000;
atags->u.mem.size = 8 << 20;
atags = atag_next(atags);
atags->hdr.tag = ATAG_MEM;
atags->hdr.size = atag_size(atag_mem);
atags->u.mem.start = 0x5000000;
atags->u.mem.size = 8 << 20;
atags = atag_next(atags);
atags->hdr.tag = ATAG_NONE;
atags->hdr.size = 0;
/* Start kernel, bye! */
ser_puts("G\r\n");
void (*kernel_start)(int, int, uint32_t) = (void *)LINUX_LOADADDR;
kernel_start(0, TS72XX_MACH_NUM, ATAGS_OFFSET);
return 0;
}