cc1200: add required structures and defines for TSCH support

This commit is contained in:
Simon Duquennoy 2018-10-03 12:24:40 +02:00
parent 710019877e
commit 6b1292d9d9
3 changed files with 71 additions and 1 deletions

View File

@ -34,6 +34,7 @@
#include "cc1200-rf-cfg.h"
#include "cc1200-const.h"
#include "net/mac/tsch/tsch.h"
/*
* This is a setup for the following configuration:
@ -62,6 +63,52 @@
/*---------------------------------------------------------------------------*/
static const char rf_cfg_descriptor[] = "802.15.4g 863-870MHz MR-FSK mode #1";
/*---------------------------------------------------------------------------*/
/* 1 byte time: 160 usec */
#define CC1200_TSCH_PREAMBLE_LENGTH 800 /* 5 bytes */
#define CC1200_TSCH_CONF_RX_WAIT 2200
#define CC1200_TSCH_CONF_RX_ACK_WAIT 400
#define CC1200_TSCH_DEFAULT_TS_CCA_OFFSET 1800
#define CC1200_TSCH_DEFAULT_TS_CCA 128
#define CC1200_TSCH_DEFAULT_TS_TX_OFFSET 3800
#define CC1200_TSCH_DEFAULT_TS_RX_OFFSET (CC1200_TSCH_DEFAULT_TS_TX_OFFSET - CC1200_TSCH_PREAMBLE_LENGTH - (CC1200_TSCH_CONF_RX_WAIT / 2))
#define CC1200_TSCH_DEFAULT_TS_RX_ACK_DELAY (CC1200_TSCH_DEFAULT_TS_TX_ACK_DELAY - CC1200_TSCH_PREAMBLE_LENGTH - (CC1200_TSCH_CONF_RX_ACK_WAIT / 2))
#define CC1200_TSCH_DEFAULT_TS_TX_ACK_DELAY 3000
#define CC1200_TSCH_DEFAULT_TS_RX_WAIT (CC1200_TSCH_PREAMBLE_LENGTH + CC1200_TSCH_CONF_RX_WAIT)
#define CC1200_TSCH_DEFAULT_TS_ACK_WAIT (CC1200_TSCH_PREAMBLE_LENGTH + CC1200_TSCH_CONF_RX_ACK_WAIT)
#define CC1200_TSCH_DEFAULT_TS_RX_TX 192
#define CC1200_TSCH_DEFAULT_TS_MAX_ACK 3360 /* 17+1+3 bytes at 50 kbps */
#define CC1200_TSCH_DEFAULT_TS_MAX_TX 20800 /* 126+1+3 bytes at 50 kbps */
#define CC1200_TSCH_DEFAULT_SLACK_TIME 500
/* Timeslot length: 31460 usec */
#define CC1200_TSCH_DEFAULT_TS_TIMESLOT_LENGTH \
( CC1200_TSCH_DEFAULT_TS_TX_OFFSET \
+ CC1200_TSCH_DEFAULT_TS_MAX_TX \
+ CC1200_TSCH_DEFAULT_TS_TX_ACK_DELAY \
+ CC1200_TSCH_DEFAULT_TS_MAX_ACK \
+ CC1200_TSCH_DEFAULT_SLACK_TIME \
)
/* TSCH timeslot timing (mircoseconds) */
static uint16_t cc1200_50kbps_tsch_timing[tsch_ts_elements_count] = {
CC1200_TSCH_DEFAULT_TS_CCA_OFFSET,
CC1200_TSCH_DEFAULT_TS_CCA,
CC1200_TSCH_DEFAULT_TS_TX_OFFSET,
CC1200_TSCH_DEFAULT_TS_RX_OFFSET,
CC1200_TSCH_DEFAULT_TS_RX_ACK_DELAY,
CC1200_TSCH_DEFAULT_TS_TX_ACK_DELAY,
CC1200_TSCH_DEFAULT_TS_RX_WAIT,
CC1200_TSCH_DEFAULT_TS_ACK_WAIT,
CC1200_TSCH_DEFAULT_TS_RX_TX,
CC1200_TSCH_DEFAULT_TS_MAX_ACK,
CC1200_TSCH_DEFAULT_TS_MAX_TX,
CC1200_TSCH_DEFAULT_TS_TIMESLOT_LENGTH,
};
/*
* Register settings exported from SmartRF Studio using the standard template
* "trxEB RF Settings Performance Line".
@ -159,6 +206,11 @@ const cc1200_rf_cfg_t cc1200_802154g_863_870_fsk_50kbps = {
.size_of_register_settings = sizeof(preferredSettings),
.tx_pkt_lifetime = (RTIMER_SECOND / 20),
.tx_rx_turnaround = (RTIMER_SECOND / 100),
/* Includes 3 Bytes preamble + 2 Bytes SFD, at 160usec per byte = 800 usec */
/* Includes time to completion of "Wait for TX to start" if cc1200.c: 397 usec */
.delay_before_tx = ((unsigned)US_TO_RTIMERTICKS(800 + 397 + 423)),
.delay_before_rx = (unsigned)US_TO_RTIMERTICKS(400),
.delay_before_detect = 0,
.chan_center_freq0 = RF_CFG_CHAN_CENTER_F0,
.chan_spacing = RF_CFG_CHAN_SPACING,
.min_channel = RF_CFG_MIN_CHANNEL,
@ -166,5 +218,7 @@ const cc1200_rf_cfg_t cc1200_802154g_863_870_fsk_50kbps = {
.max_txpower = RF_CFG_MAX_TXPOWER,
.cca_threshold = RF_CFG_CCA_THRESHOLD,
.rssi_offset = RF_CFG_RSSI_OFFSET,
.bitrate = 50000,
.tsch_timing = cc1200_50kbps_tsch_timing,
};
/*---------------------------------------------------------------------------*/

View File

@ -126,6 +126,9 @@ const cc1200_rf_cfg_t cc1200_868_fsk_1_2kbps = {
.size_of_register_settings = sizeof(preferredSettings),
.tx_pkt_lifetime = (2 * RTIMER_SECOND),
.tx_rx_turnaround = (RTIMER_SECOND / 2),
.delay_before_tx = 0,
.delay_before_rx = 0,
.delay_before_detect = 0,
.chan_center_freq0 = RF_CFG_CHAN_CENTER_F0,
.chan_spacing = RF_CFG_CHAN_SPACING,
.min_channel = RF_CFG_MIN_CHANNEL,
@ -133,5 +136,7 @@ const cc1200_rf_cfg_t cc1200_868_fsk_1_2kbps = {
.max_txpower = RF_CFG_MAX_TXPOWER,
.cca_threshold = RF_CFG_CCA_THRESHOLD,
.rssi_offset = RF_CFG_RSSI_OFFSET,
.bitrate = 1200,
.tsch_timing = NULL,
};
/*---------------------------------------------------------------------------*/

View File

@ -69,6 +69,13 @@ typedef struct cc1200_rf_cfg {
rtimer_clock_t tx_pkt_lifetime;
/* The maximum time it takes to switch from Tx to Rx */
rtimer_clock_t tx_rx_turnaround;
/* The delay between a call to transmit() and end of SFD */
rtimer_clock_t delay_before_tx;
/* Delay between GO signal and start listening
* Measured 104us: between GO signal and start listening */
rtimer_clock_t delay_before_rx;
/* Delay between the SFD finishes arriving and it is detected in software */
rtimer_clock_t delay_before_detect;
/* Base frequency in kHz */
uint32_t chan_center_freq0;
/* Channel spacing in Hz */
@ -87,6 +94,10 @@ typedef struct cc1200_rf_cfg {
/* The RSSI offset in dBm.
* -99 when MDMCFG1.DVGA_GAIN=00, -81 when MDMCFG1.DVGA_GAIN=01 */
int8_t rssi_offset;
/* The bitrate in bps */
uint32_t bitrate;
/* TSCH timeslot timing */
uint16_t *tsch_timing;
} cc1200_rf_cfg_t;
/*---------------------------------------------------------------------------*/
#endif /* CC1200_RF_CFG_H */