lpcmanager

GOT6: Implementation of RETAIN with double buffer in RAM, using non-real-time SPI driver for transfer to single buffer NVRAM

2021-10-05, Edouard Tisserant
9ee9470870eb
GOT6: Implementation of RETAIN with double buffer in RAM, using non-real-time SPI driver for transfer to single buffer NVRAM
if(!pthread_mutex_lock(&UART_ReadMutex)){
int prevstate;
if((prevstate=uartDevReadBuf_plc_state) == FULL){
uartDevReadBuf_plc_state = LOCKED;
}
pthread_mutex_unlock(&UART_ReadMutex);
if(prevstate == FULL){
%(retrieve_code)s
/* unlock plc buffer */
uartDevReadBuf_plc_state = EMPTY;
}else{
/* No new data -> no update */
}
}