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Fixed some configuration problems and support for AUTOACK

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This commit is contained in:
Niclas Finne 2011-10-06 19:19:34 +02:00
parent cdfa8708e3
commit f4f35973d1
3 changed files with 61 additions and 81 deletions
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132
core/dev/cc2520.c
View file

@ -49,19 +49,19 @@
#define CC2520_CONF_AUTOACK 0
#endif /* CC2520_CONF_AUTOACK */
#define WITH_SEND_CCA 0
#define WITH_SEND_CCA 1
#define FOOTER_LEN 2
#define FOOTER1_CRC_OK 0x80
#define FOOTER1_CORRELATION 0x7f
#define DEBUG 1
#if DEBUG
#include <stdio.h>
#define DEBUG 0
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#define PRINTF(...) do {} while (0)
#endif
#if 0 && DEBUG
@ -82,8 +82,6 @@ int cc2520_authority_level_of_sender;
int cc2520_packets_seen, cc2520_packets_read;
static uint8_t volatile pending;
#define BUSYWAIT_UNTIL(cond, max_time) \
do { \
rtimer_clock_t t0; \
@ -132,7 +130,6 @@ const struct radio_driver cc2520_driver =
pending_packet,
cc2520_on,
cc2520_off,
};
static uint8_t receive_on;
@ -161,7 +158,8 @@ flushrx(void)
CC2520_STROBE(CC2520_INS_SFLUSHRX);
}
/*---------------------------------------------------------------------------*/
static void strobe(uint8_t regname)
static void
strobe(uint8_t regname)
{
CC2520_STROBE(regname);
}
@ -179,11 +177,12 @@ static uint8_t locked, lock_on, lock_off;
static void
on(void)
{
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
CC2520_ENABLE_FIFOP_INT();
strobe(CC2520_INS_SRXON);
//BUSYWAIT_UNTIL(status() & (BV(CC2520_XOSC16M_STABLE)), RTIMER_SECOND / 100);
BUSYWAIT_UNTIL(status() & (BV(CC2520_XOSC16M_STABLE)), RTIMER_SECOND / 100);
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
receive_on = 1;
}
static void
@ -193,12 +192,11 @@ off(void)
receive_on = 0;
/* Wait for transmission to end before turning radio off. */
//BUSYWAIT_UNTIL(!(status() & BV(CC2520_TX_ACTIVE)), RTIMER_SECOND / 10);
//while(status() & BV(CC2520_TX_ACTIVE));
BUSYWAIT_UNTIL(!(status() & BV(CC2520_TX_ACTIVE)), RTIMER_SECOND / 10);
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
strobe(CC2520_INS_SRFOFF);
CC2520_DISABLE_FIFOP_INT();
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
if(!CC2520_FIFOP_IS_1) {
flushrx();
@ -221,7 +219,7 @@ static void RELEASE_LOCK(void) {
}
/*---------------------------------------------------------------------------*/
static uint8_t
getreg(unsigned regname)
getreg(uint16_t regname)
{
uint8_t reg;
CC2520_READ_REG(regname, reg);
@ -229,7 +227,7 @@ getreg(unsigned regname)
}
/*---------------------------------------------------------------------------*/
static void
setreg(unsigned regname, unsigned value)
setreg(uint16_t regname, uint8_t value)
{
CC2520_WRITE_REG(regname, value);
}
@ -237,26 +235,19 @@ setreg(unsigned regname, unsigned value)
static void
set_txpower(uint8_t power)
{
uint16_t reg;
reg = getreg(CC2520_TXCTRL);
reg = (reg & 0xffe0) | (power & 0x1f);
setreg(CC2520_TXCTRL, reg);
setreg(CC2520_TXPOWER, power);
}
/*---------------------------------------------------------------------------*/
#define AUTOACK (1 << 4)
#define ADR_DECODE (1 << 11)
#define RXFIFO_PROTECTION (1 << 9)
#define AUTOCRC (1 << 6)
#define AUTOACK (1 << 5)
#define FRAME_MAX_VERSION ((1 << 3) | (1 << 2))
#define FRAME_FILTER_ENABLE (1 << 0)
#define CORR_THR(n) (((n) & 0x1f) << 6)
#define FIFOP_THR(n) ((n) & 0x7f)
#define RXBPF_LOCUR (1 << 13);
/*---------------------------------------------------------------------------*/
int temp_data;
int
cc2520_init(void)
{
unsigned stat1;
{
int s = splhigh();
cc2520_arch_init(); /* Initalize ports and SPI. */
@ -264,22 +255,21 @@ cc2520_init(void)
CC2520_FIFOP_INT_INIT();
splx(s);
}
/* Turn on voltage regulator and reset. */
SET_VREG_INACTIVE();
clock_delay(250);
/* Turn on voltage regulator and reset. */
SET_VREG_ACTIVE();
clock_delay(250);
SET_RESET_ACTIVE();
clock_delay(127);
SET_RESET_INACTIVE();
clock_delay(125);
strobe(CC2520_INS_SXOSCON); // Turn on the crystal oscillator.
/* Turn on the crystal oscillator. */
strobe(CC2520_INS_SXOSCON);
clock_delay(125);
stat1 = status();
while(!(stat1 & 0x80)) {
stat1 = status();
}
BUSYWAIT_UNTIL(status() & (BV(CC2520_XOSC16M_STABLE)), RTIMER_SECOND / 100);
/* Change default values as recommended in the data sheet, */
/* correlation threshold = 20, RX bandpass filter = 1.3uA.*/
@ -313,9 +303,6 @@ cc2520_init(void)
setreg(CC2520_AGCCTRL1, 0x11); // Adjust target value for AGC control loop
setreg(CC2520_AGCCTRL2, 0xEB);
// Disable filter on @ (remove if you want to address specific wismote)
setreg(CC2520_FRMFILT0, 0x00);
// Disable external clock
setreg(CC2520_EXTCLOCK, 0x00);
@ -324,12 +311,22 @@ cc2520_init(void)
setreg(CC2520_ADCTEST1, 0x0E);
setreg(CC2520_ADCTEST2, 0x03);
// Set auto CRC on frame
setreg(CC2520_FRMCTRL0, 0x60);
setreg(CC2520_FIFOPCTRL, 0x0F);
/* Set auto CRC on frame. */
#if CC2520_CONF_AUTOACK
setreg(CC2520_FRMCTRL0, AUTOCRC | AUTOACK);
setreg(CC2520_FRMFILT0, FRAME_MAX_VERSION|FRAME_FILTER_ENABLE);
#else
/* setreg(CC2520_FRMCTRL0, 0x60); */
setreg(CC2520_FRMCTRL0, AUTOCRC);
/* Disable filter on @ (remove if you want to address specific wismote) */
setreg(CC2520_FRMFILT0, 0x00);
#endif /* CC2520_CONF_AUTOACK */
cc2520_set_pan_addr(0xbabe, 0x0000, NULL);
cc2520_set_channel(15);
/* Set FIFOP threshold to maximum .*/
setreg(CC2520_FIFOPCTRL, FIFOP_THR(0x7F));
cc2520_set_pan_addr(0xffff, 0x0000, NULL);
cc2520_set_channel(26);
flushrx();
@ -340,13 +337,11 @@ cc2520_init(void)
static int
cc2520_transmit(unsigned short payload_len)
{
uint16_t reg;
int i, txpower;
uint8_t reg;
GET_LOCK();
LEDS_ON(LEDS_RED);
txpower = 0;
if(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) > 0) {
/* Remember the current transmission power */
@ -370,7 +365,7 @@ cc2520_transmit(unsigned short payload_len)
#if WITH_SEND_CCA
strobe(CC2520_INS_SRXON);
//BUSYWAIT_UNTIL(status() & BV(CC2520_TX_ACTIVE) , RTIMER_SECOND / 100);
BUSYWAIT_UNTIL(status() & BV(CC2520_RSSI_VALID) , RTIMER_SECOND / 10);
strobe(CC2520_INS_STXONCCA);
#else /* WITH_SEND_CCA */
strobe(CC2520_INS_STXON);
@ -401,7 +396,7 @@ cc2520_transmit(unsigned short payload_len)
/* We wait until transmission has ended so that we get an
accurate measurement of the transmission time.*/
//BUSYWAIT_UNTIL(getreg(CC2520_EXCFLAG0) & TX_FRM_DONE , RTIMER_SECOND / 100);
//BUSYWAIT_UNTIL(!(status() & BV(CC2520_TX_ACTIVE)), RTIMER_SECOND / 10);
BUSYWAIT_UNTIL(!(status() & BV(CC2520_TX_ACTIVE)), RTIMER_SECOND / 10);
#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
ENERGEST_OFF_LEVEL(ENERGEST_TYPE_TRANSMIT,cc2520_get_txpower());
@ -475,7 +470,6 @@ cc2520_prepare(const void *payload, unsigned short payload_len)
static int
cc2520_send(const void *payload, unsigned short payload_len)
{
cc2520_prepare(payload, payload_len);
return cc2520_transmit(payload_len);
}
@ -491,7 +485,7 @@ cc2520_off(void)
/* If we are called when the driver is locked, we indicate that the
radio should be turned off when the lock is unlocked. */
if(locked) {
/* ("Off when locked (%d)\n", locked);*/
/* printf("Off when locked (%d)\n", locked);*/
lock_off = 1;
return 1;
}
@ -543,20 +537,19 @@ cc2520_set_channel(int c)
* Subtract the base channel (11), multiply by 5, which is the
* channel spacing. 357 is 2405-2048 and 0x4000 is LOCK_THR = 1.
*/
channel = c;
f = MIN_CHANNEL + ((channel - MIN_CHANNEL) * CHANNEL_SPACING);
/*
* Writing RAM requires crystal oscillator to be stable.
*/
while(!(status() & (BV(CC2520_XOSC16M_STABLE))));
BUSYWAIT_UNTIL((status() & (BV(CC2520_XOSC16M_STABLE))), RTIMER_SECOND / 10);
/* Wait for any transmission to end. */
while(status() & BV(CC2520_TX_ACTIVE));
BUSYWAIT_UNTIL(!(status() & BV(CC2520_TX_ACTIVE)), RTIMER_SECOND / 10);
// Define radio channel (between 11 and 25)
setreg(CC2520_FREQCTRL, f );
/* Define radio channel (between 11 and 25) */
setreg(CC2520_FREQCTRL, f);
/* If we are in receive mode, we issue an SRXON command to ensure
that the VCO is calibrated. */
@ -580,7 +573,7 @@ cc2520_set_pan_addr(unsigned pan,
/*
* Writing RAM requires crystal oscillator to be stable.
*/
//BUSYWAIT_UNTIL(status() & (BV(CC2520_XOSC16M_STABLE)), RTIMER_SECOND / 10);
BUSYWAIT_UNTIL(status() & (BV(CC2520_XOSC16M_STABLE)), RTIMER_SECOND / 10);
tmp[0] = pan & 0xff;
tmp[1] = pan >> 8;
@ -590,15 +583,15 @@ cc2520_set_pan_addr(unsigned pan,
tmp[0] = addr & 0xff;
tmp[1] = addr >> 8;
CC2520_WRITE_RAM(&tmp, CC2520RAM_SHORTADDR, 2);
/*
if(ieee_addr != NULL) {
int f;
uint8_t tmp_addr[8];
// LSB first, MSB last for 802.15.4 addresses in CC2520
for (f = 0; f < 8; f++) {
tmp_addr[7 - f] = ieee_addr[f];
}
CC2520_WRITE_RAM(tmp_addr, CC2520RAM_IEEEADDR, 8);
}*/
}
RELEASE_LOCK();
}
/*---------------------------------------------------------------------------*/
@ -621,7 +614,6 @@ cc2520_interrupt(void)
#endif /* CC2520_TIMETABLE_PROFILING */
last_packet_timestamp = cc2520_sfd_start_time;
pending++;
cc2520_packets_seen++;
return 1;
}
@ -644,11 +636,10 @@ PROCESS_THREAD(cc2520_process, ev, data)
packetbuf_clear();
packetbuf_set_attr(PACKETBUF_ATTR_TIMESTAMP, last_packet_timestamp);
len = cc2520_read(packetbuf_dataptr(), PACKETBUF_SIZE);
packetbuf_set_datalen(len);
NETSTACK_RDC.input();
flushrx();
/* flushrx(); */
#if CC2520_TIMETABLE_PROFILING
TIMETABLE_TIMESTAMP(cc2520_timetable, "end");
timetable_aggregate_compute_detailed(&aggregate_time,
@ -666,18 +657,9 @@ cc2520_read(void *buf, unsigned short bufsize)
uint8_t footer[2];
uint8_t len;
if((!CC2520_FIFOP_IS_1) & !(getreg(CC2520_EXCFLAG1) & RX_FRM_DONE)) {
if(!CC2520_FIFOP_IS_1) {
return 0;
}
LEDS_ON(LEDS_GREEN); // TODO LED FLASH for the debug on reception
//BUSYWAIT_UNTIL( (status() & BV(CC2520_RX_ACTIVE)) , RTIMER_SECOND / 100);
//BUSYWAIT_UNTIL(getreg(CC2520_EXCFLAG1) & RX_FRM_DONE , RTIMER_SECOND / 100);
/* if(!pending) {
return 0;
}*/
pending = 0;
GET_LOCK();
@ -708,7 +690,6 @@ cc2520_read(void *buf, unsigned short bufsize)
}
getrxdata(buf, len - FOOTER_LEN);
getrxdata(footer, FOOTER_LEN);
if(footer[1] & FOOTER1_CRC_OK) {
@ -758,9 +739,9 @@ cc2520_set_txpower(uint8_t power)
int
cc2520_get_txpower(void)
{
int power;
uint8_t power;
GET_LOCK();
power = (int)(getreg(CC2520_TXCTRL) & 0x001f);
power = getreg(CC2520_TXPOWER);
RELEASE_LOCK();
return power;
}
@ -781,7 +762,7 @@ cc2520_rssi(void)
radio_was_off = 1;
cc2520_on();
}
//BUSYWAIT_UNTIL(status() & BV(CC2520_RSSI_VALID), RTIMER_SECOND / 100);
BUSYWAIT_UNTIL(status() & BV(CC2520_RSSI_VALID), RTIMER_SECOND / 100);
rssi = (int)((signed char)getreg(CC2520_RSSI));
@ -842,7 +823,7 @@ cc2520_cca(void)
return 1;
}
//BUSYWAIT_UNTIL(status() & BV(CC2520_RSSI_VALID), RTIMER_SECOND / 100);
BUSYWAIT_UNTIL(status() & BV(CC2520_RSSI_VALID), RTIMER_SECOND / 100);
cca = CC2520_CCA_IS_1;
@ -868,9 +849,8 @@ pending_packet(void)
void
cc2520_set_cca_threshold(int value)
{
uint16_t shifted = value << 8;
GET_LOCK();
setreg(CC2520_RSSI, shifted);
setreg(CC2520_CCACTRL0, value & 0xff);
RELEASE_LOCK();
}
/*---------------------------------------------------------------------------*/

3
core/dev/cc2520.h
View file

@ -106,7 +106,7 @@ void cc2520_set_cca_threshold(int value);
CC2520_SPI_ENABLE(); \
SPI_WRITE_FAST(CC2520_INS_MEMWR | ((adr>>8)&0xFF)); \
SPI_WRITE_FAST(adr & 0xff); \
SPI_WRITE_FAST((u8_t) data); \
SPI_WRITE_FAST((uint8_t) data); \
SPI_WAITFORTx_ENDED(); \
CC2520_SPI_DISABLE(); \
} while(0)
@ -119,7 +119,6 @@ void cc2520_set_cca_threshold(int value);
SPI_WRITE((CC2520_INS_MEMRD | ((adr>>8)&0xFF))); \
SPI_WRITE((adr & 0xFF)); \
SPI_READ(data); \
data = SPI_RXBUF; \
CC2520_SPI_DISABLE(); \
} while(0)

7
core/dev/cc2520_const.h
View file

@ -51,9 +51,10 @@ enum cc2520_status_byte {
CC2520_RX_ACTIVE = 0,
};
#define TX_FRM_DONE 0x02
#define RX_FRM_DONE 0x01
#define RX_FRM_ABORTED 0x20
#define TX_FRM_DONE 0x02
#define RX_FRM_DONE 0x01
#define RX_FRM_ABORTED 0x20
#define RX_FRM_UNDERFLOW 0x20
/* Page 27. */
enum cc2520_memory_size {