@ -13,21 +13,21 @@ and Telematics group (http://cst.mi.fu-berlin.de).
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/**
* @ ingroup dev_cc110x
* @ ingroup dev_cc110x
* @ {
*/
/**
* @ file
* @ internal
* @ brief TI Chipcon CC110x physical radio driver
* @ brief TI Chipcon CC110x physical radio driver
*
* @ author Thomas Hillebrandt < hillebra @ inf . fu - berlin . de >
* @ author Heiko Will < hwill @ inf . fu - berlin . de >
* @ author Thomas Hillebrandt < hillebra @ inf . fu - berlin . de >
* @ author Heiko Will < hwill @ inf . fu - berlin . de >
* @ author Oliver Hahm < oliver . hahm @ inria . fr >
* @ version $ Revision : 2130 $
*
* @ note $ Id : cc1100_phy . c 2130 2010 - 05 - 12 13 : 19 : 07 Z hillebra $
* @ note $ Id : cc1100_phy . c 2130 2010 - 05 - 12 13 : 19 : 07 Z hillebra $
*/
# include <stdio.h>
# include <string.h>
@ -52,12 +52,12 @@ and Telematics group (http://cst.mi.fu-berlin.de).
# define MSG_POLL 12346
# define FLAGS_IDENTIFICATION (0x01) ///< Bit mask for reading the identification out of the flags field
# define R_FLAGS_PROTOCOL(x) ((x & 0x0E)>>1) ///< Macro for reading the protocol out of the flags field
# define W_FLAGS_PROTOCOL(x) ((x<<1) & 0x0E) ///< Macro for writing the protocol in the flags field
# define FLAGS_IDENTIFICATION (0x01) ///< Bit mask for reading the identification out of the flags field
# define R_FLAGS_PROTOCOL(x) ((x & 0x0E)>>1) ///< Macro for reading the protocol out of the flags field
# define W_FLAGS_PROTOCOL(x) ((x<<1) & 0x0E) ///< Macro for writing the protocol in the flags field
/*---------------------------------------------------------------------------*/
/* RX/TX buffer data structures */
/* RX/TX buffer data structures */
/*---------------------------------------------------------------------------*/
typedef struct {
@ -65,18 +65,18 @@ typedef struct {
packet_info_t info ;
} rx_buffer_t ;
# define RX_BUFF_SIZE (10) ///< Size of RX queue
static volatile uint8_t rx_buffer_head ; ///< RX queue head
static volatile uint8_t rx_buffer_tail ; ///< RX queue tail
static volatile uint8_t rx_buffer_size ; ///< RX queue size
static rx_buffer_t rx_buffer [ RX_BUFF_SIZE ] ; ///< RX buffer
static cc1100_packet_layer0_t tx_buffer ; ///< TX buffer (for one packet)
# define RX_BUFF_SIZE (10) ///< Size of RX queue
static volatile uint8_t rx_buffer_head ; ///< RX queue head
static volatile uint8_t rx_buffer_tail ; ///< RX queue tail
static volatile uint8_t rx_buffer_size ; ///< RX queue size
static rx_buffer_t rx_buffer [ RX_BUFF_SIZE ] ; ///< RX buffer
static cc1100_packet_layer0_t tx_buffer ; ///< TX buffer (for one packet)
/*---------------------------------------------------------------------------*/
/* Process/Event management data structures */
/* Process/Event management data structures */
/*---------------------------------------------------------------------------*/
# define MAX_PACKET_HANDLERS (5)
# define MAX_PACKET_HANDLERS (5)
static packet_monitor_t packet_monitor ;
static handler_entry_t handlers [ MAX_PACKET_HANDLERS ] ;
static const pm_table_t handler_table ;
@ -92,19 +92,19 @@ static void *cc1100_event_handler_function(void *);
static char event_handler_stack [ KERNEL_CONF_STACKSIZE_MAIN ] ;
/*---------------------------------------------------------------------------*/
/* Sequence number buffer management data structures */
/* Sequence number buffer management data structures */
/*---------------------------------------------------------------------------*/
/**
* @ name Sequence Buffer
* @ {
*/
# define MAX_SEQ_BUFFER_SIZE (20) ///< Maximum size of the sequence number buffer
# define MAX_SEQ_BUFFER_SIZE (20) ///< Maximum size of the sequence number buffer
typedef struct {
uint64_t m_ticks ; ///< 64-bit timestamp
uint8_t source ; ///< Source address
uint8_t identification ; ///< Identification (1-bit)
uint64_t m_ticks ; ///< 64-bit timestamp
uint8_t source ; ///< Source address
uint8_t identification ; ///< Identification (1-bit)
} seq_buffer_entry_t ;
//* Sequence number buffer for this layer */
@ -114,42 +114,42 @@ static seq_buffer_entry_t seq_buffer[MAX_SEQ_BUFFER_SIZE];
static uint8_t seq_buffer_pos = 0 ;
/**
* @ brief Last sequence number this node has seen
* @ brief Last sequence number this node has seen
*
* @ note ( phySrc + flags . identification ) - for speedup in ISR .
* @ note ( phySrc + flags . identification ) - for speedup in ISR .
*/
static volatile uint16_t last_seq_num = 0 ;
/** @} */
/*---------------------------------------------------------------------------*/
// WOR configuration data structures
// WOR configuration data structures
/*---------------------------------------------------------------------------*/
# define EVENT0_MAX (60493) ///< Maximum RX polling interval in milliseconds
# define WOR_RES_SWITCH (1891) ///< Switching point value in milliseconds between
///< WOR_RES = 0 and WOR_RES = 1
# define DUTY_CYCLE_SIZE (7) ///< Length of duty cycle array
# define EVENT0_MAX (60493) ///< Maximum RX polling interval in milliseconds
# define WOR_RES_SWITCH (1891) ///< Switching point value in milliseconds between
///< WOR_RES = 0 and WOR_RES = 1
# define DUTY_CYCLE_SIZE (7) ///< Length of duty cycle array
cc1100_wor_config_t cc1100_wor_config ; ///< CC1100 WOR configuration
cc1100_wor_config_t cc1100_wor_config ; ///< CC1100 WOR configuration
uint16_t cc1100_burst_count ; ///< Burst count, number of packets in a burst transfer
uint8_t cc1100_retransmission_count_uc ; ///< Number of retransmissions for unicast
uint8_t cc1100_retransmission_count_bc ; ///< Number of retransmissions for broadcast
uint16_t cc1100_burst_count ; ///< Burst count, number of packets in a burst transfer
uint8_t cc1100_retransmission_count_uc ; ///< Number of retransmissions for unicast
uint8_t cc1100_retransmission_count_bc ; ///< Number of retransmissions for broadcast
static const double duty_cycle [ 2 ] [ DUTY_CYCLE_SIZE ] = { ///< Duty cycle values from AN047
static const double duty_cycle [ 2 ] [ DUTY_CYCLE_SIZE ] = { ///< Duty cycle values from AN047
{ 12.5 , 6.25 , 3.125 , 1.563 , 0.781 , 0.391 , 0.195 } ,
{ 1.95 , 0.9765 , 0.4883 , 0.2441 , 0.1221 , 0.061035 , 0.030518 }
} ;
/*---------------------------------------------------------------------------*/
// Data structures for statistic
// Data structures for statistic
/*---------------------------------------------------------------------------*/
cc1100_statistic_t cc1100_statistic ;
/*---------------------------------------------------------------------------*/
// Initialization of physical layer
// Initialization of physical layer
/*---------------------------------------------------------------------------*/
void cc1100_phy_init ( void )
@ -190,7 +190,7 @@ void cc1100_phy_init(void)
}
/*---------------------------------------------------------------------------*/
/* CC1100 mutual exclusion */
/* CC1100 mutual exclusion */
/*---------------------------------------------------------------------------*/
void cc1100_phy_mutex_lock ( void )
@ -208,7 +208,7 @@ void cc1100_phy_mutex_unlock(void)
}
/*---------------------------------------------------------------------------*/
// Statistical functions
// Statistical functions
/*---------------------------------------------------------------------------*/
void cc1100_reset_statistic ( void )
@ -271,7 +271,7 @@ void cc1100_print_config(void)
}
/*---------------------------------------------------------------------------*/
// Change of RX polling interval (T_EVENT0)
// Change of RX polling interval (T_EVENT0)
/*---------------------------------------------------------------------------*/
inline uint16_t iround ( double d )
@ -355,7 +355,7 @@ int cc1100_phy_calc_wor_settings(uint16_t millis)
}
/*---------------------------------------------------------------------------*/
// Sequence number buffer management
// Sequence number buffer management
/*---------------------------------------------------------------------------*/
static bool contains_seq_entry ( uint8_t src , uint8_t id )
@ -415,26 +415,26 @@ static void add_seq_entry(uint8_t src, uint8_t id)
}
/*---------------------------------------------------------------------------*/
/* CC1100 physical layer send functions */
/* CC1100 physical layer send functions */
/*---------------------------------------------------------------------------*/
static void send_link_level_ack ( uint8_t dest )
{
uint8_t oldState = radio_state ; /* Save old state */
cc1100_packet_layer0_t ack ; /* Local packet, don't overwrite */
uint8_t oldState = radio_state ; /* Save old state */
cc1100_packet_layer0_t ack ; /* Local packet, don't overwrite */
radio_state = RADIO_SEND_ACK ; /* Set state to "Sending ACK" */
cc1100_spi_write_reg ( CC1100_MCSM0 , 0x08 ) ; /* Turn off FS-Autocal */
cc1100_spi_write_reg ( CC1100_MCSM1 , 0x00 ) ; /* TX_OFFMODE = IDLE */
ack . length = 3 ; /* possible packet in txBuffer!*/
radio_state = RADIO_SEND_ACK ; /* Set state to "Sending ACK" */
cc1100_spi_write_reg ( CC1100_MCSM0 , 0x08 ) ; /* Turn off FS-Autocal */
cc1100_spi_write_reg ( CC1100_MCSM1 , 0x00 ) ; /* TX_OFFMODE = IDLE */
ack . length = 3 ; /* possible packet in txBuffer!*/
ack . address = dest ;
ack . phy_src = rflags . RSSI ;
ack . flags = ( LAYER_1_PROTOCOL_LL_ACK < < 1 ) ;
cc1100_send_raw ( ( uint8_t * ) & ack , /* IDLE -> TX (88.4 us) */
cc1100_send_raw ( ( uint8_t * ) & ack , /* IDLE -> TX (88.4 us) */
ack . length + 1 ) ;
cc1100_spi_write_reg ( CC1100_MCSM0 , 0x18 ) ; /* Turn on FS-Autocal */
cc1100_spi_write_reg ( CC1100_MCSM1 , 0x03 ) ; /* TX_OFFMODE = RX */
radio_state = oldState ; /* Restore state */
cc1100_spi_write_reg ( CC1100_MCSM0 , 0x18 ) ; /* Turn on FS-Autocal */
cc1100_spi_write_reg ( CC1100_MCSM1 , 0x03 ) ; /* TX_OFFMODE = RX */
radio_state = oldState ; /* Restore state */
cc1100_statistic . acks_send + + ;
}
@ -452,7 +452,7 @@ static bool send_burst(cc1100_packet_layer0_t *packet, uint8_t retries, uint8_t
*/
extern unsigned long hwtimer_now ( void ) ;
timer_tick_t t = hwtimer_now ( ) + RTIMER_TICKS ( T_PACKET_INTERVAL ) ;
cc1100_send_raw ( ( uint8_t * ) packet , packet - > length + 1 ) ; /* RX -> TX (9.6 us) */
cc1100_send_raw ( ( uint8_t * ) packet , packet - > length + 1 ) ; /* RX -> TX (9.6 us) */
cc1100_statistic . raw_packets_out + + ;
@ -555,25 +555,25 @@ int cc1100_send(radio_address_t addr, protocol_t protocol, int priority, char *p
retries = ( address = = CC1100_BROADCAST_ADDRESS ) ?
cc1100_retransmission_count_bc : cc1100_retransmission_count_uc ;
memset ( tx_buffer . data , 0 , MAX_DATA_LENGTH ) ; /* Clean data */
memset ( tx_buffer . data , 0 , MAX_DATA_LENGTH ) ; /* Clean data */
/* TODO: If packets are shorter than max packet size, WOR interval is too long.
* This must be solved in some way . */
tx_buffer . length = 3 + payload_len ; /* 3 bytes (A&PS&F) + data length */
tx_buffer . address = address ; /* Copy destination address */
tx_buffer . flags = 0x00 ; /* Set clean state */
tx_buffer . flags = W_FLAGS_PROTOCOL ( protocol ) ; /* Copy protocol identifier */
tx_buffer . phy_src = ( uint8_t ) cc1100_get_address ( ) ; /* Copy sender address */
tx_buffer . length = 3 + payload_len ; /* 3 bytes (A&PS&F) + data length */
tx_buffer . address = address ; /* Copy destination address */
tx_buffer . flags = 0x00 ; /* Set clean state */
tx_buffer . flags = W_FLAGS_PROTOCOL ( protocol ) ; /* Copy protocol identifier */
tx_buffer . phy_src = ( uint8_t ) cc1100_get_address ( ) ; /* Copy sender address */
/* Set identification number of packet */
tx_buffer . flags | = rflags . SEQ ; /* Set flags.identification (bit 0) */
rflags . SEQ = ! rflags . SEQ ; /* Toggle value of layer 0 sequence number bit */
tx_buffer . flags | = rflags . SEQ ; /* Set flags.identification (bit 0) */
rflags . SEQ = ! rflags . SEQ ; /* Toggle value of layer 0 sequence number bit */
memcpy ( tx_buffer . data , payload , payload_len ) ; /* Copy data */
memcpy ( tx_buffer . data , payload , payload_len ) ; /* Copy data */
/* Send the packet */
cc1100_spi_write_reg ( CC1100_MCSM0 , 0x08 ) ; /* Turn off FS-Autocal */
result = send_burst ( & tx_buffer , retries , 0 ) ; /* Send raw burst */
cc1100_spi_write_reg ( CC1100_MCSM0 , 0x08 ) ; /* Turn off FS-Autocal */
result = send_burst ( & tx_buffer , retries , 0 ) ; /* Send raw burst */
return_code = result ? payload_len : RADIO_OP_FAILED ;
/* Collect statistics */
@ -602,7 +602,7 @@ final:
}
/*---------------------------------------------------------------------------*/
/* RX Event Handler */
/* RX Event Handler */
/*---------------------------------------------------------------------------*/
bool cc1100_set_packet_monitor ( packet_monitor_t monitor )
@ -698,7 +698,7 @@ static void *cc1100_event_handler_function(void *arg)
}
/*---------------------------------------------------------------------------*/
/* CC1100 packet (RX) ISR */
/* CC1100 packet (RX) ISR */
/*---------------------------------------------------------------------------*/
void cc1100_phy_rx_handler ( void )
@ -835,8 +835,8 @@ void cc1100_phy_rx_handler(void)
/* Valid packet. After a wake-up, the radio should be in IDLE.
* So put CC1100 to RX for WOR_TIMEOUT ( have to manually put
* the radio back to sleep / WOR ) . */
cc1100_spi_write_reg ( CC1100_MCSM0 , 0x08 ) ; /* Turn off FS-Autocal */
cc1100_spi_write_reg ( CC1100_MCSM2 , 0x07 ) ; /* Configure RX_TIME (until end of packet) */
cc1100_spi_write_reg ( CC1100_MCSM0 , 0x08 ) ; /* Turn off FS-Autocal */
cc1100_spi_write_reg ( CC1100_MCSM2 , 0x07 ) ; /* Configure RX_TIME (until end of packet) */
if ( radio_mode = = CC1100_MODE_CONSTANT_RX ) {
cc1100_spi_strobe ( CC1100_SRX ) ;
@ -864,9 +864,9 @@ void cc1100_phy_rx_handler(void)
rflags . TOF = 0 ;
/* CRC false or RX buffer full -> clear RX FIFO in both cases */
last_seq_num = 0 ; /* Reset for correct burst detection */
cc1100_spi_strobe ( CC1100_SIDLE ) ; /* Switch to IDLE (should already be)... */
cc1100_spi_strobe ( CC1100_SFRX ) ; /* ...for flushing the RX FIFO */
last_seq_num = 0 ; /* Reset for correct burst detection */
cc1100_spi_strobe ( CC1100_SIDLE ) ; /* Switch to IDLE (should already be)... */
cc1100_spi_strobe ( CC1100_SFRX ) ; /* ...for flushing the RX FIFO */
/* If packet interrupted this nodes send call,
* don ' t change anything after this point . */
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