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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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@ -53,6 +53,8 @@ void* allocate_memory(int bytes)
*/ */
void lpt_init() void lpt_init()
{ {
if (lpt_enable)
{
if (ioperm (lpt_port, 3, 1)) if (ioperm (lpt_port, 3, 1))
{ {
log_event("Error: Unlocking the circuit fails due to LPT port access error"); log_event("Error: Unlocking the circuit fails due to LPT port access error");
@ -62,6 +64,7 @@ void lpt_init()
} }
// Unlock circuit // Unlock circuit
outb (0, lpt_port); outb (0, lpt_port);
}
} }
/* /*
@ -71,6 +74,8 @@ void lpt_init()
*/ */
void lpt_lock() void lpt_lock()
{ {
if (lpt_enable)
{
if (ioperm (lpt_port, 3, 1)) if (ioperm (lpt_port, 3, 1))
{ {
log_event("Error: Locking the circuit fails due to LPT port access error"); log_event("Error: Locking the circuit fails due to LPT port access error");
@ -80,6 +85,7 @@ 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
@ -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();
} }
@ -198,6 +203,8 @@ void check_host(int num,host_decl* 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
if (pin_num<0 || pin_num>8) if (pin_num<0 || pin_num>8)
@ -215,6 +222,7 @@ void reset_pin(int pin_num)
outb (pins, lpt_port); outb (pins, lpt_port);
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();