diff options
| -rw-r--r-- | drv_USBLCD.c | 2 | ||||
| -rw-r--r-- | drv_picoLCD.c | 2 | ||||
| -rw-r--r-- | drv_picoLCDGraphic.c | 2 | ||||
| -rw-r--r-- | timer.c | 14 |
4 files changed, 10 insertions, 10 deletions
diff --git a/drv_USBLCD.c b/drv_USBLCD.c index 89dac62..093ea0f 100644 --- a/drv_USBLCD.c +++ b/drv_USBLCD.c @@ -337,7 +337,7 @@ static int drv_UL_start(const char *section, const int quiet) /* Init the command buffer */ Buffer = (char *) malloc(1024); if (Buffer == NULL) { - error("%s: coommand buffer could not be allocated: malloc() failed", Name); + error("%s: command buffer could not be allocated: malloc() failed", Name); return -1; } BufPtr = Buffer; diff --git a/drv_picoLCD.c b/drv_picoLCD.c index b971775..84dccb3 100644 --- a/drv_picoLCD.c +++ b/drv_picoLCD.c @@ -306,7 +306,7 @@ static int drv_pL_start(const char *section, const int quiet) /* Init the command buffer */ Buffer = (char *) malloc(1024); if (Buffer == NULL) { - error("%s: coommand buffer could not be allocated: malloc() failed", Name); + error("%s: command buffer could not be allocated: malloc() failed", Name); return -1; } BufPtr = Buffer; diff --git a/drv_picoLCDGraphic.c b/drv_picoLCDGraphic.c index b5652e7..e6889c8 100644 --- a/drv_picoLCDGraphic.c +++ b/drv_picoLCDGraphic.c @@ -520,7 +520,7 @@ static int drv_pLG_start(const char *section, const int quiet) /* Init the command buffer */ Buffer = (char *) malloc(1024); if (Buffer == NULL) { - error("%s: coommand buffer could not be allocated: malloc() failed", Name); + error("%s: command buffer could not be allocated: malloc() failed", Name); return -1; } BufPtr = Buffer; @@ -443,16 +443,16 @@ int timer_process(struct timespec *delay) in "diff" */ timersub(&Timers[next_timer].when, &now, &diff); - /* convert "diff" to milliseconds */ - int time_difference = (diff.tv_sec * 1000.0f) + (diff.tv_usec / 1000.0f); - - /* a notable negative delay has occurred (positive clock skew or - some timers are faster than the time needed for processing - their callbacks) */ - if (time_difference < (-CLOCK_SKEW_DETECT_TIME_IN_MS)) { + /* a negative delay has occurred (positive clock skew or some + timers are faster than the time needed for processing their + callbacks) */ + if (diff.tv_sec < 0) { /* zero "diff" so the next update is triggered immediately */ timerclear(&diff); } else { + /* convert "diff" to milliseconds */ + int time_difference = diff.tv_sec * 1000 + diff.tv_usec / 1000; + /* if there is a notable difference between "time_difference" and the next upcoming timer's interval, assume clock skew */ if (time_difference > (Timers[next_timer].interval + CLOCK_SKEW_DETECT_TIME_IN_MS)) { |