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added receiver process outside interrupt

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This commit is contained in:
fros4943 2007-12-17 15:53:57 +00:00
parent 7886d51045
commit 479d74ce6a
1 changed files with 34 additions and 14 deletions
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48
platform/msb430/dev/cc1020.c
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@ -90,7 +90,7 @@ static volatile uint8_t rssi;
// callback when a packet has been received
static uint8_t cc1020_pa_power = PA_POWER;
static int dma_done;
static volatile int dma_done;
static void (*receiver_callback)(const struct radio_driver *);
@ -109,6 +109,8 @@ dma_callback(void)
dma_done = 1;
}
PROCESS(cc1020_receiver_process, "CC1020 receiver");
void
cc1020_init(const uint8_t *config)
{
@ -133,6 +135,7 @@ cc1020_init(const uint8_t *config)
// power down
cc1020_setupPD();
process_start(&cc1020_receiver_process, NULL);
dma_subscribe(0, dma_callback);
}
@ -295,6 +298,17 @@ cc1020_read(void *buf, unsigned short size)
memcpy(buf, (char *)cc1020_rxbuf + HDRSIZE, len);
RIMESTATS_ADD(llrx);
CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_SEARCHING);
//cc1020_rxstate = CC1020_RX_SEARCHING;
if ((cc1020_state & CC1020_TURN_OFF) && (cc1020_txlen == 0)) {
cc1020_off();
} else {
ENABLE_RX_IRQ();
}
// reset receiver
cc1020_rxlen = 0;
return len;
}
@ -351,6 +365,24 @@ cc1020_carrier_sense(void)
return !!(cc1020_read_reg(CC1020_STATUS) & CARRIER_SENSE);
}
PROCESS_THREAD(cc1020_receiver_process, ev, data)
{
PROCESS_BEGIN();
while(1) {
ev = NULL;
PROCESS_YIELD_UNTIL(ev == PROCESS_EVENT_POLL);
if(receiver_callback != NULL) {
receiver_callback(&cc1020_driver);
} else {
printf("cc1020_receiver_process no callback function defined\n");
}
}
PROCESS_END();
}
interrupt(UART0RX_VECTOR) cc1020_rxhandler(void)
{
static signed char syncbs;
@ -436,19 +468,7 @@ interrupt(UART0RX_VECTOR) cc1020_rxhandler(void)
//cc1020_rxstate = CC1020_RX_PROCESSING;
// call receiver to copy from buffer
if (receiver_callback != NULL) {
receiver_callback(&cc1020_driver);
}
// reset receiver
cc1020_rxlen = 0;
CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_SEARCHING);
//cc1020_rxstate = CC1020_RX_SEARCHING;
if ((cc1020_state & CC1020_TURN_OFF) && (cc1020_txlen == 0)) {
cc1020_off();
} else {
ENABLE_RX_IRQ();
}
process_poll(&cc1020_receiver_process);
}
}
}