lpcmanager

Modbus scan rate accuracy improved: timer is incremented according to current-old time delta. Current time is acquired with rt_timer_read().

2016-05-05, bmakuc
b8e2bbca287c
Modbus scan rate accuracy improved: timer is incremented according to current-old time delta. Current time is acquired with rt_timer_read().
if(!rt_mutex_acquire(&UART_ReadMutex, TM_INFINITE )){
int prevstate;
if((prevstate=uartDevReadBuf_plc_state) == FULL){
uartDevReadBuf_plc_state = LOCKED;
}
rt_mutex_release(&UART_ReadMutex);
if(prevstate == FULL){
%(retrieve_code)s
/* unlock plc buffer */
uartDevReadBuf_plc_state = EMPTY;
}else{
/* No new data -> no update */
}
}