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Make serial work for club majesty games

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This commit is contained in:
Bobby Dilley
2022-12-30 10:40:20 +00:00
parent 10bade79d8
commit ef84ec598e
1 changed files with 16 additions and 1 deletions
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src/lindbergh/hook.c
+16 -1
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@@ -152,29 +152,39 @@ int open(const char *pathname, int flags)
{
int (*_open)(const char *pathname, int flags) = dlsym(RTLD_NEXT, "open");
// printf("Open %s\n", pathname);
//printf("Open %s\n", pathname);
if (strcmp(pathname, "/dev/lbb") == 0)
{
hooks[BASEBOARD] = _open(HOOK_FILE_NAME, flags);
printf("Baseboard opened %d\n", hooks[BASEBOARD]);
return hooks[BASEBOARD];
}
if (strcmp(pathname, "/dev/i2c/0") == 0)
{
hooks[EEPROM] = _open(HOOK_FILE_NAME, flags);
printf("EEPROM opened %d\n", hooks[EEPROM]);
return hooks[EEPROM];
}
if (strcmp(pathname, "/dev/ttyS0") == 0 || strcmp(pathname, "/dev/tts/0") == 0)
{
if(hooks[SERIAL0] != -1)
return -1;
hooks[SERIAL0] = _open(HOOK_FILE_NAME, flags);
printf("SERIAL0 Opened %d\n", hooks[SERIAL0]);
return hooks[SERIAL0];
}
if (strcmp(pathname, "/dev/ttyS1") == 0 || strcmp(pathname, "/dev/tts/1") == 0)
{
if(hooks[SERIAL1] != -1)
return -1;
hooks[SERIAL1] = _open(HOOK_FILE_NAME, flags);
printf("SERIAL1 opened %d\n", hooks[SERIAL1]);
return hooks[SERIAL1];
}
@@ -306,6 +316,11 @@ ssize_t read(int fd, void *buf, size_t count)
return driveboardRead(fd, buf, count);
}
// If we don't hook the serial just reply with nothing
if(fd == hooks[SERIAL0] || fd == hooks[SERIAL1]) {
return -1;
}
return _read(fd, buf, count);
}