//Creates a mutex lock and returns an opaque ID
int
sys_mtx_create(void)
{
int locked;
if (argint(0, &locked) < 0)
return -1;
return mtx_create(locked);
}
int main(int argc, char**argv){
mutex = mtx_create(0);
uint* returnstack = 0;
uint* stack1[128];
uint* stack2[128];
thread_create(*prod,stack1,(void*)0);
thread_create(*cons,stack2,(void*)0);
thread_join((void*)returnstack);
thread_join((void*)returnstack);
exit();
return 0;
}
/** Basic setup to connect NIC to socket.
* @param[in] port = port context struct
* @param[in] ifname = Name of NIC device, f.e. "eth0"
* @param[in] secondary = if >0 then use secondary stack instead of primary
* @return >0 if succeeded
*/
int ecx_setupnic(ecx_portt *port, const char *ifname, int secondary)
{
int i;
int rVal;
int *psock;
port->getindex_mutex = mtx_create();
port->tx_mutex = mtx_create();
port->rx_mutex = mtx_create();
rVal = bfin_EMAC_init((uint8_t *)priMAC);
if (rVal != 0)
return 0;
if (secondary)
{
/* secondary port struct available? */
if (port->redport)
{
/* when using secondary socket it is automatically a redundant setup */
psock = &(port->redport->sockhandle);
*psock = -1;
port->redstate = ECT_RED_DOUBLE;
port->redport->stack.sock = &(port->redport->sockhandle);
port->redport->stack.txbuf = &(port->txbuf);
port->redport->stack.txbuflength = &(port->txbuflength);
port->redport->stack.tempbuf = &(port->redport->tempinbuf);
port->redport->stack.rxbuf = &(port->redport->rxbuf);
port->redport->stack.rxbufstat = &(port->redport->rxbufstat);
port->redport->stack.rxsa = &(port->redport->rxsa);
ecx_clear_rxbufstat(&(port->redport->rxbufstat[0]));
}
else
{
/* fail */
return 0;
}
}
else
{
port->getindex_mutex = mtx_create();
port->tx_mutex = mtx_create();
port->rx_mutex = mtx_create();
port->sockhandle = -1;
port->lastidx = 0;
port->redstate = ECT_RED_NONE;
port->stack.sock = &(port->sockhandle);
port->stack.txbuf = &(port->txbuf);
port->stack.txbuflength = &(port->txbuflength);
port->stack.tempbuf = &(port->tempinbuf);
port->stack.rxbuf = &(port->rxbuf);
port->stack.rxbufstat = &(port->rxbufstat);
port->stack.rxsa = &(port->rxsa);
ecx_clear_rxbufstat(&(port->rxbufstat[0]));
psock = &(port->sockhandle);
}
/* setup ethernet headers in tx buffers so we don't have to repeat it */
for (i = 0; i < EC_MAXBUF; i++)
{
ec_setupheader(&(port->txbuf[i]));
port->rxbufstat[i] = EC_BUF_EMPTY;
}
ec_setupheader(&(port->txbuf2));
return 1;
}
/// Create and Initialize a Mutex object.
/// \param[in] mutex_def mutex definition referenced with \ref osMutex.
/// \return mutex ID for reference by other functions or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osMutexCreate shall be consistent in every CMSIS-RTOS.
osMutexId osMutexCreate (const osMutexDef_t *mutex_def)
{
(void) mutex_def;
return mtx_create();
}
