void waitTX(void)
{
unsigned char status;
unsigned char x;
x=1;
while (x) {
status = cc1100_strobe(SNOP);
switch ( 0xf0 & status) {
case 0x70:
cc1100_strobe(SFTX);
case 0x10:
case 0x00:
if (RFstatus & WORsend) {
switch_to_idle();
}
else if (RFstatus & WORenabled)
cc1100_strobe(SWOR);
else if (RFstatus & WORrxon)
cc1100_strobe(SRX);
else if (RFstatus & RXenabled)
cc1100_strobe(SRX);
else {
switch_to_idle();
}
x=0;
break;
}
}
}
INLINE void ipc_switch_to_idle(tcb_t * current)
{
#if defined(CONFIG_DEBUG_TRACE_MISC)
//printf("ipc_switch_to_idle: curr: %x\n", current);
#endif
switch_to_idle(current);
}
void RF_sendWOR(unsigned char addr) {
unsigned char b[2];
unsigned int WOR_cb;
b[0]=0x01;
b[1]=addr;
VICIntEnClr = INT_EINT0;
switch_to_idle();
RFstatus |= WORsend;
cc1100_write1(0x18,conf[0x18] & 0xCF);
cc1100_strobe(SCAL);
waitTX();
WOR_cb = addTimerCB(WORsend_timeout, 101);
startCB(WOR_cb);
while (RFstatus & WORsend) {
cc1100_write(TX_fifo | BURST,b,2);
cc1100_strobe(STX);
waitTX();
}
stopCB(WOR_cb);
removeTimerCB(WOR_cb);
cc1100_write1(0x18,conf[0x18]);
waitTX();
VICIntEnable = INT_EINT0;
}
void cc1100IRQ (void) {
if (cc1100_read1(0x3B | READ | BURST) > 0) {
RF_getfifo(RFbuf);
cc1100_strobe(SIDLE);
cc1100_strobe(SFRX);
struct cc1100frame_ *RXframe;
RXframe = (struct cc1100frame_ *)&RFbuf[0];
if ((RXframe->len == 1) && ((RXframe->destAddr == cc1100Addr) || (RXframe->destAddr == 0x00))) {
switch_WOR_RX();
}
if(RFstatus & WORenabled)
cc1100_strobe(SWOR);
else
cc1100_strobe(SRX);
if (RXframe->len > 3) {
setCBIntervall(WORrx_cb,WORrx_time);
switch ( RXframe->packetType) {
case 0x01:
draw_block(0,50,128,10,3,DRAW_ERASE);
draw_string(0, 50, (char*)&RFbuf[headerLen], 3, DRAW_PUT);
break;
case 0x02:
if (RXframe->data[0] == 0x01) {
RXframe->destAddr = RXframe->srcAddr;
RXframe->srcAddr = cc1100Addr;
RXframe->data[0] = 0x02;
RXframe->len = 0x04;
switch_to_idle();
RF_send(RFbuf);
}
else if (RFbuf[headerLen] == 0x02) {
RFstatus |= Received;
}
break;
case 0x03:
if ((RXframe->data[0] == 0x01) && (timeInfo & time_accurate)) {
send_time(RXframe->srcAddr);
}
else if (RFbuf[headerLen] == 0x02) {
memcpy((unsigned char *)&time,(unsigned char *)&RXframe->data[1],3);
memcpy((unsigned char *)&date,(unsigned char *)&RXframe->data[4],4);
timeInfo |=0x02;
VICSoftInt = INT_EINT2;
}
}
}
}
waitTX();
EXTINT = 0x01;
}
/*TODO: move into guest-vcpu module */
static void enter_guest_mode(uint16_t pcpu_id)
{
vmx_on();
(void)launch_vms(pcpu_id);
switch_to_idle(default_idle);
/* Control should not come here */
cpu_dead();
}
void RF_send(unsigned char* b) {
VICIntEnClr = INT_EINT0;
if(RFstatus & WORenabled) {
switch_to_idle();
}
cc1100_write(TX_fifo | BURST,b,b[0]+1);
cc1100_strobe(STX);
waitTX();
VICIntEnable = INT_EINT0;
}
dword_t smp_start_receive_ipc(tcb_t * from_tcb, tcb_t * current)
{
cpu_mailbox_t * mailbox = get_mailbox();
mailbox->tcb = from_tcb;
mailbox->param[0] = (dword_t)current;
dword_t status = mailbox->send_command(from_tcb->cpu, SMP_CMD_IPC_RECEIVE);
if (status == MAILBOX_ERROR) {
//enter_kdebug("smp_start_receive_ipc failed");
return 0;
}
switch_to_idle(current);
return 1;
}
void dispatch_thread(tcb_t * tcb)
{
tcb_t * current = get_current_tcb();
if (tcb == current)
return;
if (tcb == get_idle_tcb()) {
printf("dispatch: switch to idle, current=%x, state=%x\n",
current, current->thread_state);
enter_kdebug("dispatch: switch to idle");
switch_to_idle(current);
return;
}
//printf("dispatch: %p -> %p\n", current, tcb);
/* Do not insert TCBS not in the ready queue into the prio_queue */
if (tcb->queue_state & TS_QUEUE_READY)
prio_queue[tcb->priority] = tcb;
//printf("switch_to %x->%x (%x)\n", current, tcb, tcb->thread_state);
switch_to_thread(tcb, current);
}
/**
* @brief Idle state switcher helper.
*
* Called if the program has to close after an unexpected error occured.
*/
void switch_to_idle_state() {
switch_to_idle(chanData);
}