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improve checking of "lpt_enable" variable

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This commit is contained in:
Sergey Popov 2011-12-31 11:46:30 +04:00
parent 828d9323cc
commit 233f9ffab0
1 changed files with 40 additions and 33 deletions
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11
yasnd.c
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@ -52,6 +52,8 @@ void* allocate_memory(int bytes)
management computer is just booted management computer is just booted
*/ */
void lpt_init() void lpt_init()
{
if (lpt_enable)
{ {
if (ioperm (lpt_port, 3, 1)) if (ioperm (lpt_port, 3, 1))
{ {
@ -63,6 +65,7 @@ void lpt_init()
// Unlock circuit // Unlock circuit
outb (0, lpt_port); outb (0, lpt_port);
} }
}
/* /*
Function, that turn on first LPT port pin and turn off others. Function, that turn on first LPT port pin and turn off others.
@ -70,6 +73,8 @@ void lpt_init()
management computer is rebooted management computer is rebooted
*/ */
void lpt_lock() void lpt_lock()
{
if (lpt_enable)
{ {
if (ioperm (lpt_port, 3, 1)) if (ioperm (lpt_port, 3, 1))
{ {
@ -81,6 +86,7 @@ void lpt_lock()
// Lock circuit // Lock circuit
outb (1, lpt_port); outb (1, lpt_port);
} }
}
// Function, that checks that defined host entry is valid // Function, that checks that defined host entry is valid
int cb_validate_host(cfg_t *cfg, cfg_opt_t *opt) int cb_validate_host(cfg_t *cfg, cfg_opt_t *opt)
@ -164,7 +170,6 @@ void init()
if (sms_enable) if (sms_enable)
gammu_init(); gammu_init();
// initialize LPT control circuit // initialize LPT control circuit
if (lpt_enable)
lpt_init(); lpt_init();
} }
@ -197,6 +202,8 @@ void check_host(int num,host_decl* host)
and turn off all pins. That is enough to reset specified host. and turn off all pins. That is enough to reset specified host.
*/ */
void reset_pin(int pin_num) void reset_pin(int pin_num)
{
if (lpt_enable)
{ {
if (pin_num==0) if (pin_num==0)
return; // there is no LPT control for target host return; // there is no LPT control for target host
@ -216,6 +223,7 @@ void reset_pin(int pin_num)
sleep(1); sleep(1);
outb (0, lpt_port); outb (0, lpt_port);
} }
}
int loop_function() int loop_function()
{ {
@ -319,7 +327,6 @@ void signal_handler(int signum)
{ {
log_event("SIGTERM captured, daemon stopping"); log_event("SIGTERM captured, daemon stopping");
// block LPT control circuit // block LPT control circuit
if (lpt_enable)
lpt_lock(); lpt_lock();
// close log decriptor // close log decriptor
closelog(); closelog();