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This commit is contained in:
sorgelig
2019-09-17 02:51:31 +08:00
parent 7d5020704a
commit c24b973fc4
5 changed files with 59 additions and 10 deletions
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52
user_io.cpp
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@@ -609,6 +609,49 @@ uint16_t sdram_sz(int sz)
return res;
}
uint16_t altcfg(int alt)
{
int res = 0;
int fd;
if ((fd = open("/dev/mem", O_RDWR | O_SYNC)) == -1) return 0;
void* buf = mmap(0, 0x1000, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0x1FFFF000);
if (buf == (void *)-1)
{
printf("Unable to mmap(/dev/mem)\n");
close(fd);
return 0;
}
volatile uint8_t* par = (volatile uint8_t*)buf;
par += 0xF04;
if (alt >= 0)
{
*par++ = 0x34;
*par++ = 0x99;
*par++ = 0xBA;
*par++ = (uint8_t)alt;
printf("** altcfg(%d)\n", alt);
}
else
{
if ((par[0] == 0x34) && (par[1] == 0x99) && (par[2] == 0xBA))
{
res = par[3];
printf("** altcfg: got cfg %d\n", res);
}
else
{
printf("** altcfg: no cfg\n");
}
}
munmap(buf, 0x1000);
close(fd);
return res;
}
int user_io_is_dualsdr()
{
return dual_sdr;
@@ -1704,6 +1747,15 @@ void user_io_send_buttons(char force)
if ((map != key_map) || force)
{
if ((key_map & (BUTTON1 | BUTTON2)) == BUTTON2 && (map & (BUTTON1 | BUTTON2)) == (BUTTON1 | BUTTON2) && is_menu_core())
{
if (FileExists(ini_cfg.filename_alt))
{
altcfg(altcfg() ? 0 : 1);
fpga_load_rbf("menu.rbf");
}
}
const char *name = get_rbf_path();
if (name[0] && (get_key_mod() & (LGUI | LSHIFT)) == (LGUI | LSHIFT) && (key_map & BUTTON2) && !(map & BUTTON2))
{