int setRFBeeMode() {
// CCx_MCSM1 is configured to have TX and RX return to proper state on completion or timeout
switch (config_get(CONFIG_RFBEE_MODE)) {
case TRANSMIT_MODE:
ccx_strobe(CCx_SIDLE);
_delay_ms(1);
ccx_write(CCx_MCSM1, 0x00); //TXOFF_MODE->stay in IDLE
ccx_strobe(CCx_SFTX);
break;
case RECEIVE_MODE:
ccx_strobe(CCx_SIDLE);
_delay_ms(1);
ccx_write(CCx_MCSM1, 0x0C); //RXOFF_MODE->stay in RX
ccx_strobe(CCx_SFRX);
ccx_strobe(CCx_SRX);
break;
case TRANSCEIVE_MODE:
ccx_strobe(CCx_SIDLE);
_delay_ms(1);
ccx_write(CCx_MCSM1, 0x0F); //RXOFF_MODE and TXOFF_MODE stay in RX
ccx_strobe(CCx_SFTX);
ccx_strobe(CCx_SFRX);
ccx_strobe(CCx_SRX);
break;
case LOWPOWER_MODE:
ccx_strobe(CCx_SIDLE);
break;
default:
break;
}
return OK;
}
// put the rfbee into sleep
int setSleepMode() {
#ifdef DEBUG
printf("going to sleep\r\n");
#endif
ccx_strobe(CCx_SIDLE);
ccx_strobe(CCx_SPWD);
sleepNow(SLEEP_MODE_IDLE);
//sleepNow(SLEEP_MODE_PWR_DOWN);
#ifdef DEBUG
printf("just woke up\r\n");
#endif
setRFBeeMode();
setSerialDataMode();
return NOTHING;
}
void readSerialData() {
uint8_t len;
uint8_t data;
uint8_t fifoSize = 0;
static uint8_t plus = 0;
static uint8_t pos = 0;
uint8_t rfBeeMode;
int i;
// insert any plusses from last round
for (i = pos; i < plus; i++) { //be careful, i should start from pos, -changed by Icing
serialData[i] = '+';
}
len = serial_available() + plus + pos;
if (len > BUFFLEN) {
len = BUFFLEN; //only process at most BUFFLEN chars
}
// check how much space we have in the TX fifo
fifoSize = txFifoFree(); // the fifoSize should be the number of bytes in TX FIFO
if (fifoSize <= 0) {
serial_flush();
//ccx_strobe(CCx_SFTX);
plus = 0;
pos = 0;
return;
}
if (len > fifoSize) {
len = fifoSize; // don't overflow the TX fifo
}
for (i = plus + pos; i < len; i++) {
data = serial_read();
serialData[i] = data; //serialData is our global serial buffer
if (data == '+') {
plus++;
} else {
plus = 0;
}
if (plus == 3) {
len = i - 2; // do not send the last 2 plusses
plus = 0;
serialMode = SERIALCMDMODE;
ccx_strobe(CCx_SIDLE);
printf("ok, starting cmd mode\r\n");
break; // jump out of the loop, but still send the remaining chars in the buffer
}
}
if (plus > 0) {
// save any trailing plusses for the next round
len -= plus;
}
// check if we have more input than the transmitThreshold, if we have just switched to commandmode send the current buffer anyway.
if ((serialMode != SERIALCMDMODE)
&& (len < config_get(CONFIG_TX_THRESHOLD))) {
pos = len; // keep the current bytes in the buffer and wait till next round.
return;
}
if (len > 0) {
rfBeeMode = config_get(CONFIG_RFBEE_MODE);
//only when TRANSMIT_MODE or TRANSCEIVE,transmit the buffer data,otherwise ignore
if ((rfBeeMode == TRANSMIT_MODE) || (rfBeeMode == TRANSCEIVE_MODE)) {
tx_packet.len = len + PAYLOAD_OFFSET;
transmitData(&tx_packet);
//transmitData(serialData, len, config_get(CONFIG_MY_ADDR), config_get(CONFIG_DEST_ADDR));
}
pos = 0; // serial databuffer is free again.
}
}
void ccx_idle()
{
ccx_strobe(CCx_SIDLE);
while (ccx_strobe(CCx_SNOP) & 0xF0);
}
