54 #include "AppHardwareApi.h" 58 #include "PeripheralRegs.h" 63 #define DEBUG DEBUG_NONE 66 #ifdef MICROMAC_CONF_RADIO_MAC 67 #define MICROMAC_RADIO_MAC MICROMAC_CONF_RADIO_MAC 69 #define MICROMAC_RADIO_MAC 0 72 #if MICROMAC_RADIO_MAC 73 #define MICROMAC_FRAME tsMacFrame 75 #define MICROMAC_FRAME tsPhyFrame 82 #define CHECKSUM_LEN 2 85 #define MAX_PACKET_DURATION US_TO_RTIMERTICKS((127 + 2) * 32 + RADIO_DELAY_BEFORE_TX) 87 #define MAX_ACK_DURATION US_TO_RTIMERTICKS((3 + 2) * 32 + RADIO_DELAY_BEFORE_TX) 90 #define RADIO_TEST_MODE_HIGH_PWR 1 91 #define RADIO_TEST_MODE_ADVANCED 2 92 #define RADIO_TEST_MODE_DISABLED 0 94 #ifndef RADIO_TEST_MODE 95 #define RADIO_TEST_MODE RADIO_TEST_MODE_DISABLED 99 #ifndef MIRCOMAC_CONF_BUF_NUM 100 #define MIRCOMAC_CONF_BUF_NUM 2 104 #ifndef MICROMAC_CONF_CCA_THR 105 #define MICROMAC_CONF_CCA_THR 39 108 #if (JENNIC_CHIP == JN5169) 109 #define OUTPUT_POWER_MAX 10 110 #define OUTPUT_POWER_MIN (-32) 111 #define ABS_OUTPUT_POWER_MIN (32) 113 #define OUTPUT_POWER_MAX 0 114 #define OUTPUT_POWER_MIN (-32) 118 #ifndef MICROMAC_CONF_TX_POWER 119 #define MICROMAC_CONF_TX_POWER 0 123 #ifndef MICROMAC_CONF_AUTOACK 124 #define MICROMAC_CONF_AUTOACK 1 129 #ifndef MICROMAC_CONF_ALWAYS_ON 130 #define MICROMAC_CONF_ALWAYS_ON 1 134 static volatile signed char radio_last_rssi;
135 static volatile uint8_t radio_last_correlation;
138 static volatile uint8_t missed_radio_on_request = 0;
141 static uint8_t poll_mode = 0;
143 static uint8_t frame_filtering = 1;
145 static uint8_t autoack_enabled = MICROMAC_CONF_AUTOACK;
147 static uint8_t send_on_cca = 0;
154 static int current_tx_power = MICROMAC_CONF_TX_POWER;
157 static uint8_t cca_thershold = MICROMAC_CONF_CCA_THR;
160 static volatile uint8_t tx_in_progress = 0;
162 static volatile uint8_t listen_on = 0;
165 static uint8_t in_ack_transmission = 0;
168 static MICROMAC_FRAME tx_frame_buffer;
171 static MICROMAC_FRAME *rx_frame_buffer;
174 static MICROMAC_FRAME *input_frame_buffer = NULL;
177 static struct ringbufindex input_ringbuf;
178 static MICROMAC_FRAME input_array[MIRCOMAC_CONF_BUF_NUM];
181 static volatile uint32_t last_packet_timestamp = 0;
185 static int off(
void);
186 #if !MICROMAC_RADIO_MAC 187 static int is_packet_for_us(uint8_t *buf,
int len,
int do_send_ack);
189 static void set_frame_filtering(uint8_t enable);
190 static rtimer_clock_t get_packet_timestamp(
void);
191 static void set_txpower(int8_t power);
193 static void radio_interrupt_handler(uint32 mac_event);
194 static int get_detected_energy(
void);
195 static int get_rssi(
void);
196 static void read_last_rssi(
void);
199 PROCESS(micromac_radio_process,
"micromac_radio_driver");
203 #ifndef RADIO_RX_MODE_POLL_MODE 204 #define RADIO_PARAM_LAST_RSSI 0x80 205 #define RADIO_PARAM_LAST_PACKET_TIMESTAMP 0x81 206 #define RADIO_RX_MODE_POLL_MODE (1 << 2) 210 static rtimer_clock_t
211 get_packet_timestamp(
void)
214 uint32_t t = u32MMAC_GetTime();
215 while(u32MMAC_GetTime() == t);
218 RADIO_TO_RTIMER((uint32_t)(u32MMAC_GetTime() - (u32MMAC_GetRxTime() - 1)));
221 last_packet_timestamp -= US_TO_RTIMERTICKS(8);
222 return last_packet_timestamp;
233 if(put_index == -1) {
234 rx_frame_buffer = NULL;
235 printf(
"micromac_radio init:! no buffer available. Abort init.\n");
239 rx_frame_buffer = &input_array[put_index];
241 input_frame_buffer = rx_frame_buffer;
252 tsExtAddr node_long_address;
253 uint16_t node_short_address;
254 static uint8_t is_initialized;
263 vMMAC_EnableInterrupts(NULL);
264 vMMAC_ConfigureInterruptSources(0);
266 vMMAC_EnableInterrupts(&radio_interrupt_handler);
268 vMMAC_ConfigureRadio();
269 set_txpower(current_tx_power);
271 vMMAC_GetMacAddress(&node_long_address);
273 node_short_address = (uint16_t)node_long_address.u32L;
274 vMMAC_SetRxAddress(frame802154_get_pan_id(), node_short_address, &node_long_address);
277 vMMAC_SetTxParameters(1, 0, 0, 0);
278 vMMAC_SetCutOffTimer(0, FALSE);
280 #if RADIO_TEST_MODE == RADIO_TEST_MODE_HIGH_PWR 285 vREG_SysWrite(REG_SYS_PWR_CTRL,
286 u32REG_SysRead(REG_SYS_PWR_CTRL)
287 | REG_SYSCTRL_PWRCTRL_RFRXEN_MASK
288 | REG_SYSCTRL_PWRCTRL_RFTXEN_MASK);
289 #elif RADIO_TEST_MODE == RADIO_TEST_MODE_ADVANCED 292 vREG_SysWrite(REG_SYS_PWR_CTRL,
293 u32REG_SysRead(REG_SYS_PWR_CTRL) | (1UL << 26UL));
296 if(!is_initialized) {
298 ret = init_software();
308 if(rx_frame_buffer != NULL) {
309 #if MICROMAC_RADIO_MAC 310 vMMAC_StartMacReceive(rx_frame_buffer,
311 (uint16_t)(E_MMAC_RX_START_NOW
312 | E_MMAC_RX_USE_AUTO_ACK
313 | E_MMAC_RX_NO_MALFORMED
314 | E_MMAC_RX_NO_FCS_ERROR
315 | E_MMAC_RX_ADDRESS_MATCH
316 | E_MMAC_RX_ALIGN_NORMAL)
319 vMMAC_StartPhyReceive(rx_frame_buffer,
320 (uint16_t)(E_MMAC_RX_START_NOW
321 | E_MMAC_RX_NO_FCS_ERROR)
325 missed_radio_on_request = 1;
327 ENERGEST_ON(ENERGEST_TYPE_LISTEN);
338 ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
348 transmit(
unsigned short payload_len)
351 return RADIO_TX_COLLISION;
353 if(payload_len > NETSTACK_RADIO_MAX_PAYLOAD_LEN) {
361 ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
363 ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);
366 #if MICROMAC_RADIO_MAC 367 vMMAC_StartMacTransmit(&tx_frame_buffer,
368 E_MMAC_TX_START_NOW |
369 E_MMAC_TX_USE_AUTO_ACK |
370 (send_on_cca ? E_MMAC_TX_USE_CCA : E_MMAC_TX_NO_CCA));
372 vMMAC_StartPhyTransmit(&tx_frame_buffer,
373 E_MMAC_TX_START_NOW |
374 (send_on_cca ? E_MMAC_TX_USE_CCA : E_MMAC_TX_NO_CCA));
379 if(in_ack_transmission) {
389 ENERGEST_OFF(ENERGEST_TYPE_TRANSMIT);
391 ENERGEST_ON(ENERGEST_TYPE_LISTEN);
397 uint32_t tx_error = u32MMAC_GetTxErrors();
400 }
else if(tx_error & E_MMAC_TXSTAT_ABORTED) {
402 }
else if(tx_error & E_MMAC_TXSTAT_CCA_BUSY) {
403 ret = RADIO_TX_COLLISION;
404 }
else if(tx_error & E_MMAC_TXSTAT_NO_ACK) {
405 ret = RADIO_TX_NOACK;
413 prepare(
const void *payload,
unsigned short payload_len)
415 #if !MICROMAC_RADIO_MAC 423 if(payload_len > NETSTACK_RADIO_MAX_PAYLOAD_LEN || payload == NULL) {
426 #if MICROMAC_RADIO_MAC 428 int hdr_len =
frame802154_parse((
unsigned char *)payload, payload_len, &info154);
430 tx_frame_buffer.u8PayloadLength = payload_len - hdr_len;
431 tx_frame_buffer.u8SequenceNum = info154.
seq;
432 tx_frame_buffer.u16FCF = ((uint8_t*)payload)[0] | (((uint8_t*)payload)[1] << 8);
433 tx_frame_buffer.u16DestPAN = info154.
dest_pid;
434 tx_frame_buffer.u16SrcPAN = info154.
src_pid;
436 tx_frame_buffer.uDestAddr.u16Short = info154.
dest_addr[0] | (info154.
dest_addr[0] << 8);
438 tx_frame_buffer.uDestAddr.sExt.u32L = *(uint32_t*)(&info154.
dest_addr[4]);
439 tx_frame_buffer.uDestAddr.sExt.u32H = *(uint32_t*)(&info154.
dest_addr[0]);
442 tx_frame_buffer.uSrcAddr.u16Short = info154.
src_addr[0] | (info154.
src_addr[0] << 8);
444 tx_frame_buffer.uSrcAddr.sExt.u32L = *(uint32_t*)(&info154.
src_addr[4]);
445 tx_frame_buffer.uSrcAddr.sExt.u32H = *(uint32_t*)(&info154.
src_addr[0]);
447 tx_frame_buffer.u16FCS =
crc16_data(payload, payload_len, 0);
451 memcpy(tx_frame_buffer.uPayload.au8Byte, payload, payload_len);
455 checksum =
crc16_data(payload, payload_len, 0);
456 tx_frame_buffer.uPayload.au8Byte[i++] = checksum;
457 tx_frame_buffer.uPayload.au8Byte[i++] = (checksum >> 8) & 0xff;
458 tx_frame_buffer.u8PayloadLength = payload_len + CHECKSUM_LEN;
460 tx_frame_buffer.u8PayloadLength = payload_len;
468 send(
const void *payload,
unsigned short payload_len)
470 if(prepare(payload, payload_len) == 0) {
471 return transmit(payload_len);
480 return current_channel;
487 vMMAC_SetChannelAndPower(current_channel, current_tx_power);
490 #if !MICROMAC_RADIO_MAC 492 is_broadcast_addr(uint8_t mode, uint8_t *
addr)
494 int i = ((mode == FRAME802154_SHORTADDRMODE) ? 2 : 8);
496 if(addr[i] != 0xff) {
509 buffer[0] = FRAME802154_ACKFRAME;
512 buffer[2] = frame->
seq;
513 in_ack_transmission = 1;
514 send(&buffer,
sizeof(buffer));
515 in_ack_transmission = 0;
520 is_packet_for_us(uint8_t *buf,
int len,
int do_send_ack)
528 frame802154_has_panid(&frame.
fcf, NULL, &has_dest_panid);
530 && frame802154_get_pan_id() != FRAME802154_BROADCASTPANDID
531 && frame.
dest_pid != frame802154_get_pan_id()
532 && frame.
dest_pid != FRAME802154_BROADCASTPANDID) {
538 if(autoack_enabled && result && do_send_ack) {
553 read(
void *buf,
unsigned short bufsize)
556 #if MICROMAC_RADIO_MAC 558 uint8_t *p = (uint8_t*)buf;
563 p[len++] = input_frame_buffer->u16FCF & 0xff;
564 p[len++] = (input_frame_buffer->u16FCF >> 8) & 0xff;
565 frame802154_parse_fcf(p, &fcf);
566 p[len++] = input_frame_buffer->u8SequenceNum;
567 frame802154_has_panid(&fcf, &has_src_panid, &has_dest_panid);
569 p[len++] = input_frame_buffer->u16DestPAN & 0xff;
570 p[len++] = (input_frame_buffer->u16DestPAN >> 8) & 0xff;
573 p[len++] = input_frame_buffer->uDestAddr.u16Short & 0xff;
574 p[len++] = (input_frame_buffer->uDestAddr.u16Short >> 8) & 0xff;
576 for(c = 0; c < 4; c++) {
577 p[len + c] = ((uint8_t*)(&input_frame_buffer->uDestAddr.sExt.u32L))[3 - c];
579 for(c = 0; c < 4; c++) {
580 p[len + c + 4] = ((uint8_t*)(&input_frame_buffer->uDestAddr.sExt.u32H))[3 - c];
585 p[len++] = input_frame_buffer->u16SrcPAN & 0xff;
586 p[len++] = (input_frame_buffer->u16SrcPAN >> 8) & 0xff;
589 p[len++] = input_frame_buffer->uSrcAddr.u16Short & 0xff;
590 p[len++] = (input_frame_buffer->uSrcAddr.u16Short >> 8) & 0xff;
592 for(c = 0; c < 4; c++) {
593 p[len + c] = ((uint8_t*)(&input_frame_buffer->uSrcAddr.sExt.u32L))[3 - c];
595 for(c = 0; c < 4; c++) {
596 p[len + c + 4] = ((uint8_t*)(&input_frame_buffer->uSrcAddr.sExt.u32H))[3 - c];
600 memcpy(&p[len], input_frame_buffer->uPayload.au8Byte, input_frame_buffer->u8PayloadLength);
601 len += input_frame_buffer->u8PayloadLength;
603 uint16_t radio_last_rx_crc;
604 uint8_t radio_last_rx_crc_ok = 1;
606 len = input_frame_buffer->u8PayloadLength;
608 if(len <= CHECKSUM_LEN) {
609 input_frame_buffer->u8PayloadLength = 0;
615 uint16_t checksum =
crc16_data(input_frame_buffer->uPayload.au8Byte, len, 0);
617 (uint16_t)(input_frame_buffer->uPayload.au8Byte[len + 1] << (uint16_t)8)
618 | input_frame_buffer->uPayload.au8Byte[len];
619 radio_last_rx_crc_ok = (checksum == radio_last_rx_crc);
620 if(!radio_last_rx_crc_ok) {
623 if(radio_last_rx_crc_ok) {
626 if(frame_filtering &&
627 !is_packet_for_us(input_frame_buffer->uPayload.au8Byte, len, 0)) {
634 bufsize = MIN(len, bufsize);
635 memcpy(buf, input_frame_buffer->uPayload.au8Byte, bufsize);
638 packetbuf_set_attr(PACKETBUF_ATTR_RSSI, radio_last_rssi);
639 packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, radio_last_correlation);
646 input_frame_buffer->u8PayloadLength = 0;
653 set_txpower(int8_t power)
655 if(power > OUTPUT_POWER_MAX) {
656 current_tx_power = OUTPUT_POWER_MAX;
658 if(power < OUTPUT_POWER_MIN) {
659 current_tx_power = OUTPUT_POWER_MIN;
661 current_tx_power = power;
664 vMMAC_SetChannelAndPower(current_channel, current_tx_power);
671 #if (JENNIC_CHIP == JN5169) 673 const static int8 power_table [] = {
685 if(current_tx_power > OUTPUT_POWER_MAX) {
686 actual_tx_power = OUTPUT_POWER_MAX;
687 }
else if(current_tx_power < OUTPUT_POWER_MIN) {
688 actual_tx_power = OUTPUT_POWER_MIN;
690 actual_tx_power = power_table[current_tx_power + ABS_OUTPUT_POWER_MIN];
694 if(current_tx_power < (-24)) {
695 actual_tx_power = OUTPUT_POWER_MIN;
696 }
else if(current_tx_power < (-12)) {
697 actual_tx_power = (-20);
698 }
else if(current_tx_power < 0) {
699 actual_tx_power = (-9);
701 actual_tx_power = OUTPUT_POWER_MAX;
704 return (
int)actual_tx_power;
708 get_detected_energy(
void)
710 const uint32 u32Samples = 8;
711 return u8JPT_EnergyDetect(current_channel, u32Samples);
718 return (7 * get_detected_energy() - 1970) / 20;
724 uint8_t radio_last_rx_energy;
725 radio_last_rx_energy = u8MMAC_GetRxLqi((uint8_t *)&radio_last_correlation);
726 radio_last_rssi = i16JPT_ConvertEnergyTodBm(radio_last_rx_energy);
730 receiving_packet(
void)
732 return bMMAC_RxDetected();
741 return u32MMAC_PollInterruptSource(
742 E_MMAC_INT_RX_COMPLETE | E_MMAC_INT_RX_HEADER);
749 bool_t is_channel_busy = bJPT_CCA(current_channel,
750 E_JPT_CCA_MODE_CARRIER_OR_ENERGY,
752 return is_channel_busy == FALSE;
756 radio_interrupt_handler(uint32 mac_event)
759 uint8_t overflow = 0;
762 #if !MICROMAC_RADIO_MAC 763 int packet_for_me = 0;
766 if(mac_event & E_MMAC_INT_TX_COMPLETE) {
769 }
else if(mac_event & E_MMAC_INT_RX_COMPLETE) {
770 rx_status = u32MMAC_GetRxErrors();
774 last_packet_timestamp = get_packet_timestamp();
776 if(!poll_mode && (mac_event & E_MMAC_INT_RX_COMPLETE)) {
777 #if MICROMAC_RADIO_MAC 784 input_frame_buffer = &input_array[get_index];
791 if(put_index != -1) {
793 rx_frame_buffer = &input_array[put_index];
796 rx_frame_buffer = NULL;
799 if(rx_frame_buffer->u8PayloadLength > CHECKSUM_LEN) {
800 if(frame_filtering) {
802 packet_for_me = is_packet_for_us(rx_frame_buffer->uPayload.au8Byte, rx_frame_buffer->u8PayloadLength - CHECKSUM_LEN, 1);
803 }
else if(!frame_filtering) {
809 rx_frame_buffer->u8PayloadLength = 0;
817 input_frame_buffer = &input_array[get_index];
824 if(put_index != -1) {
826 rx_frame_buffer = &input_array[put_index];
829 rx_frame_buffer = NULL;
838 }
else if(MICROMAC_CONF_ALWAYS_ON
839 && (mac_event & (E_MMAC_INT_TX_COMPLETE | E_MMAC_INT_RX_COMPLETE))) {
855 input_frame_buffer = &input_array[read_index];
862 NETSTACK_MAC.
input();
867 input_frame_buffer->u8PayloadLength = 0;
871 if(rx_frame_buffer == NULL) {
875 if(put_index != -1) {
877 rx_frame_buffer = &input_array[put_index];
879 if(MICROMAC_CONF_ALWAYS_ON || missed_radio_on_request) {
880 missed_radio_on_request = 0;
884 rx_frame_buffer = NULL;
892 set_frame_filtering(uint8_t enable)
894 frame_filtering = enable;
898 set_autoack(uint8_t enable)
900 autoack_enabled = enable;
904 set_poll_mode(uint8_t enable)
909 vMMAC_EnableInterrupts(NULL);
910 vMMAC_ConfigureInterruptSources(0);
914 vMMAC_ConfigureInterruptSources(
915 E_MMAC_INT_RX_COMPLETE | E_MMAC_INT_TX_COMPLETE);
916 vMMAC_EnableInterrupts(&radio_interrupt_handler);
921 set_send_on_cca(uint8_t enable)
923 send_on_cca = enable;
926 static radio_result_t
930 return RADIO_RESULT_INVALID_VALUE;
933 case RADIO_PARAM_POWER_MODE:
934 *value = listen_on || tx_in_progress ? RADIO_POWER_MODE_ON : RADIO_POWER_MODE_OFF;
935 return RADIO_RESULT_OK;
936 case RADIO_PARAM_CHANNEL:
938 return RADIO_RESULT_OK;
939 case RADIO_PARAM_RX_MODE:
941 if(frame_filtering) {
944 if(autoack_enabled) {
945 *value |= RADIO_RX_MODE_AUTOACK;
948 *value |= RADIO_RX_MODE_POLL_MODE;
950 return RADIO_RESULT_OK;
951 case RADIO_PARAM_TX_MODE:
956 return RADIO_RESULT_OK;
957 case RADIO_PARAM_TXPOWER:
958 *value = get_txpower();
959 return RADIO_RESULT_OK;
960 case RADIO_PARAM_RSSI:
962 return RADIO_RESULT_OK;
963 case RADIO_PARAM_LAST_RSSI:
964 *value = radio_last_rssi;
965 return RADIO_RESULT_OK;
966 case RADIO_PARAM_CCA_THRESHOLD:
967 *value = cca_thershold;
968 return RADIO_RESULT_OK;
969 case RADIO_CONST_CHANNEL_MIN:
971 return RADIO_RESULT_OK;
972 case RADIO_CONST_CHANNEL_MAX:
974 return RADIO_RESULT_OK;
975 case RADIO_CONST_TXPOWER_MIN:
976 *value = OUTPUT_POWER_MIN;
977 return RADIO_RESULT_OK;
978 case RADIO_CONST_TXPOWER_MAX:
979 *value = OUTPUT_POWER_MAX;
980 return RADIO_RESULT_OK;
982 return RADIO_RESULT_NOT_SUPPORTED;
986 static radio_result_t
990 case RADIO_PARAM_POWER_MODE:
991 if(value == RADIO_POWER_MODE_ON) {
993 return RADIO_RESULT_OK;
995 if(value == RADIO_POWER_MODE_OFF) {
997 return RADIO_RESULT_OK;
999 return RADIO_RESULT_INVALID_VALUE;
1000 case RADIO_PARAM_CHANNEL:
1001 if(value < 11 || value > 26) {
1002 return RADIO_RESULT_INVALID_VALUE;
1005 return RADIO_RESULT_OK;
1006 case RADIO_PARAM_RX_MODE:
1008 RADIO_RX_MODE_AUTOACK | RADIO_RX_MODE_POLL_MODE)) {
1009 return RADIO_RESULT_INVALID_VALUE;
1012 set_autoack((value & RADIO_RX_MODE_AUTOACK) != 0);
1013 set_poll_mode((value & RADIO_RX_MODE_POLL_MODE) != 0);
1014 return RADIO_RESULT_OK;
1015 case RADIO_PARAM_TX_MODE:
1017 return RADIO_RESULT_INVALID_VALUE;
1020 return RADIO_RESULT_OK;
1021 case RADIO_PARAM_TXPOWER:
1022 if(value < OUTPUT_POWER_MIN || value > OUTPUT_POWER_MAX) {
1023 return RADIO_RESULT_INVALID_VALUE;
1027 return RADIO_RESULT_OK;
1028 case RADIO_PARAM_CCA_THRESHOLD:
1029 cca_thershold = value;
1030 return RADIO_RESULT_OK;
1032 return RADIO_RESULT_NOT_SUPPORTED;
1036 static radio_result_t
1037 get_object(radio_param_t param,
void *dest,
size_t size)
1039 if(param == RADIO_PARAM_LAST_PACKET_TIMESTAMP) {
1040 if(size !=
sizeof(rtimer_clock_t) || !dest) {
1041 return RADIO_RESULT_INVALID_VALUE;
1043 *(rtimer_clock_t *)dest = get_packet_timestamp();
1045 return RADIO_RESULT_OK;
1047 return RADIO_RESULT_NOT_SUPPORTED;
1050 static radio_result_t
1051 set_object(radio_param_t param,
const void *src,
size_t size)
1053 return RADIO_RESULT_NOT_SUPPORTED;
radio_result_t(* get_object)(radio_param_t param, void *dest, size_t size)
Get a radio parameter object.
uint16_t src_pid
Source PAN ID.
void * packetbuf_dataptr(void)
Get a pointer to the data in the packetbuf.
uint8_t dest_addr_mode
2 bit.
int(* prepare)(const void *payload, unsigned short payload_len)
Prepare the radio with a packet to be sent.
#define PROCESS(name, strname)
Declare a process.
void ringbufindex_init(struct ringbufindex *r, uint8_t size)
Initialize a ring buffer.
Header file for the ringbufindex library
frame802154_fcf_t fcf
Frame control field.
void packetbuf_clear(void)
Clear and reset the packetbuf.
static uip_ds6_addr_t * addr
Pointer to a nbr cache entry.
Header file for the energy estimation mechanism
int ringbufindex_peek_get(const struct ringbufindex *r)
Return the index of the first element which will be removed if calling ringbufindex_get.
#define PROCESS_YIELD_UNTIL(c)
Yield the currently running process until a condition occurs.
#define PROCESS_BEGIN()
Define the beginning of a process.
#define PROCESS_END()
Define the end of a process.
int frame802154_parse(uint8_t *data, int len, frame802154_t *pf)
Parses an input frame.
int(* receiving_packet)(void)
Check if the radio driver is currently receiving a packet.
Header file for the CRC16 calculcation
radio_result_t(* set_value)(radio_param_t param, radio_value_t value)
Set a radio parameter value.
int(* pending_packet)(void)
Check if the radio driver has just received a packet.
The structure of a device driver for a radio in Contiki.
#define RTIMER_BUSYWAIT_UNTIL(cond, max_time)
Busy-wait until a condition for at most max_time.
int payload_len
Length of payload field.
static void set_channel(uint8_t channel)
Set the current operating channel.
A set of debugging macros for the IP stack
int radio_value_t
Each radio has a set of parameters that designate the current configuration and state of the radio...
uint8_t src_addr[8]
Source address.
linkaddr_t linkaddr_node_addr
The link-layer address of the node.
#define IEEE802154_DEFAULT_CHANNEL
The default channel for IEEE 802.15.4 networks.
#define RTIMER_NOW()
Get the current clock time.
void(* input)(void)
Callback for getting notified of incoming packet.
int(* send)(const void *payload, unsigned short payload_len)
Prepare & transmit a packet.
int(* transmit)(unsigned short transmit_len)
Send the packet that has previously been prepared.
void process_poll(struct process *p)
Request a process to be polled.
int(* off)(void)
Turn the radio off.
The IEEE 802.15.4 frame has a number of constant/fixed fields that can be counted to make frame const...
Header file for the real-time timer module.
unsigned short crc16_data(const unsigned char *data, int len, unsigned short acc)
Calculate the CRC16 over a data area.
uint8_t src_addr_mode
2 bit.
#define PACKETBUF_SIZE
The size of the packetbuf, in bytes.
MICROMAC_RADIO driver header file
802.15.4 frame creation and parsing functions
#define RADIO_RX_MODE_ADDRESS_FILTER
The radio reception mode controls address filtering and automatic transmission of acknowledgements in...
uint16_t dest_pid
Destination PAN ID.
Parameters used by the frame802154_create() function.
#define RADIO_TX_MODE_SEND_ON_CCA
The radio transmission mode controls whether transmissions should be done using clear channel assessm...
int linkaddr_cmp(const linkaddr_t *addr1, const linkaddr_t *addr2)
Compare two link-layer addresses.
uint8_t seq
Sequence number.
int ringbufindex_get(struct ringbufindex *r)
Remove the first element and return its index.
int(* read)(void *buf, unsigned short buf_len)
Read a received packet into a buffer.
int ringbufindex_peek_put(const struct ringbufindex *r)
Check if there is space to put an element.
Header file for the Packet buffer (packetbuf) management
Include file for the Contiki low-layer network stack (NETSTACK)
radio_result_t(* get_value)(radio_param_t param, radio_value_t *value)
Get a radio parameter value.
PROCESS_THREAD(cc2538_rf_process, ev, data)
Implementation of the cc2538 RF driver process.
uint8_t * payload
Pointer to 802.15.4 payload.
uint8_t dest_addr[8]
Destination address.
radio_result_t(* set_object)(radio_param_t param, const void *src, size_t size)
Set a radio parameter object.
Header file for the LED HAL.
int ringbufindex_put(struct ringbufindex *r)
Put one element to the ring buffer.
void packetbuf_set_datalen(uint16_t len)
Set the length of the data in the packetbuf.
int(* on)(void)
Turn the radio on.
void process_start(struct process *p, process_data_t data)
Start a process.
static uint8_t get_channel()
Get the current operating channel.