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Merge pull request #1870 from simonduq/pr/cc1200-1.2kbps

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CC1200 added config for 1.2 kbps
This commit is contained in:
Simon Duquennoy 2016-09-23 13:13:26 +02:00 committed by GitHub
parent e206984d90 ba739f679e
commit 75090f648a
5 changed files with 157 additions and 20 deletions
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8
dev/cc1200/cc1200-802154g-863-870-fsk-50kbps.c
View file

@ -47,8 +47,8 @@
/* Base frequency in kHz */
#define RF_CFG_CHAN_CENTER_F0 863125
/* Channel spacing in kHz */
#define RF_CFG_CHAN_SPACING 200
/* Channel spacing in Hz */
#define RF_CFG_CHAN_SPACING 200000
/* The minimum channel */
#define RF_CFG_MIN_CHANNEL 0
/* The maximum channel */
@ -57,6 +57,8 @@
#define RF_CFG_MAX_TXPOWER CC1200_CONST_TX_POWER_MAX
/* The carrier sense level used for CCA in dBm */
#define RF_CFG_CCA_THRESHOLD (-91)
/* The RSSI offset in dBm */
#define RF_CFG_RSSI_OFFSET (-81)
/*---------------------------------------------------------------------------*/
static const char rf_cfg_descriptor[] = "802.15.4g 863-870MHz MR-FSK mode #1";
/*---------------------------------------------------------------------------*/
@ -156,11 +158,13 @@ const cc1200_rf_cfg_t cc1200_802154g_863_870_fsk_50kbps = {
.register_settings = preferredSettings,
.size_of_register_settings = sizeof(preferredSettings),
.tx_pkt_lifetime = (RTIMER_SECOND / 20),
.tx_rx_turnaround = (RTIMER_SECOND / 100),
.chan_center_freq0 = RF_CFG_CHAN_CENTER_F0,
.chan_spacing = RF_CFG_CHAN_SPACING,
.min_channel = RF_CFG_MIN_CHANNEL,
.max_channel = RF_CFG_MAX_CHANNEL,
.max_txpower = RF_CFG_MAX_TXPOWER,
.cca_threshold = RF_CFG_CCA_THRESHOLD,
.rssi_offset = RF_CFG_RSSI_OFFSET,
};
/*---------------------------------------------------------------------------*/

137
dev/cc1200/cc1200-868-fsk-1-2kbps.c Normal file
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@ -0,0 +1,137 @@
/*
* Copyright (c) 2015, Weptech elektronik GmbH Germany
* http://www.weptech.de
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
#include "cc1200-rf-cfg.h"
#include "cc1200-const.h"
/*
* This is a setup for the following configuration:
*
* cc1200 at 1.2 kbps, 2-FSK, 12.5 kHz Channel Spacing (868 MHz).
*/
/* Base frequency in kHz */
#define RF_CFG_CHAN_CENTER_F0 867787
/* Channel spacing in Hz */
#define RF_CFG_CHAN_SPACING 12500
/* The minimum channel */
#define RF_CFG_MIN_CHANNEL 0
/* The maximum channel */
#define RF_CFG_MAX_CHANNEL 33
/* The maximum output power in dBm */
#define RF_CFG_MAX_TXPOWER CC1200_CONST_TX_POWER_MAX
/* The carrier sense level used for CCA in dBm */
#define RF_CFG_CCA_THRESHOLD (-91)
/* The RSSI offset in dBm */
#define RF_CFG_RSSI_OFFSET (-99)
/*---------------------------------------------------------------------------*/
static const char rf_cfg_descriptor[] = "868MHz 2-FSK 1.2 kbps";
/*---------------------------------------------------------------------------*/
/*
* Register settings exported from SmartRF Studio using the standard template
* "trxEB RF Settings Performance Line".
*/
// Modulation format = 2-FSK
// Whitening = false
// Symbol rate = 1.2
// Deviation = 3.986359
// Carrier frequency = 867.999878
// Manchester enable = false
// Bit rate = 1.2
// RX filter BW = 10.964912
static const registerSetting_t preferredSettings[]=
{
{CC1200_IOCFG2, 0x06},
{CC1200_DEVIATION_M, 0xD1},
{CC1200_MODCFG_DEV_E, 0x00},
{CC1200_DCFILT_CFG, 0x5D},
{CC1200_PREAMBLE_CFG0, 0x8A},
{CC1200_IQIC, 0xCB},
{CC1200_CHAN_BW, 0xA6},
{CC1200_MDMCFG1, 0x40},
{CC1200_MDMCFG0, 0x05},
{CC1200_SYMBOL_RATE2, 0x3F},
{CC1200_SYMBOL_RATE1, 0x75},
{CC1200_SYMBOL_RATE0, 0x10},
{CC1200_AGC_REF, 0x20},
{CC1200_AGC_CS_THR, 0xEC},
{CC1200_AGC_CFG1, 0x51},
{CC1200_AGC_CFG0, 0x87},
{CC1200_FIFO_CFG, 0x00},
{CC1200_FS_CFG, 0x12},
{CC1200_PKT_CFG2, 0x00},
{CC1200_PKT_CFG0, 0x20},
{CC1200_PKT_LEN, 0xFF},
{CC1200_IF_MIX_CFG, 0x1C},
{CC1200_FREQOFF_CFG, 0x22},
{CC1200_MDMCFG2, 0x0C},
{CC1200_FREQ2, 0x56},
{CC1200_FREQ1, 0xCC},
{CC1200_FREQ0, 0xCC},
{CC1200_IF_ADC1, 0xEE},
{CC1200_IF_ADC0, 0x10},
{CC1200_FS_DIG1, 0x07},
{CC1200_FS_DIG0, 0xAF},
{CC1200_FS_CAL1, 0x40},
{CC1200_FS_CAL0, 0x0E},
{CC1200_FS_DIVTWO, 0x03},
{CC1200_FS_DSM0, 0x33},
{CC1200_FS_DVC0, 0x17},
{CC1200_FS_PFD, 0x00},
{CC1200_FS_PRE, 0x6E},
{CC1200_FS_REG_DIV_CML, 0x1C},
{CC1200_FS_SPARE, 0xAC},
{CC1200_FS_VCO0, 0xB5},
{CC1200_XOSC5, 0x0E},
{CC1200_XOSC1, 0x03},
};
/*---------------------------------------------------------------------------*/
/* Global linkage: symbol name must be different in each exported file! */
const cc1200_rf_cfg_t cc1200_868_fsk_1_2kbps = {
.cfg_descriptor = rf_cfg_descriptor,
.register_settings = preferredSettings,
.size_of_register_settings = sizeof(preferredSettings),
.tx_pkt_lifetime = (2 * RTIMER_SECOND),
.tx_rx_turnaround = (RTIMER_SECOND / 2),
.chan_center_freq0 = RF_CFG_CHAN_CENTER_F0,
.chan_spacing = RF_CFG_CHAN_SPACING,
.min_channel = RF_CFG_MIN_CHANNEL,
.max_channel = RF_CFG_MAX_CHANNEL,
.max_txpower = RF_CFG_MAX_TXPOWER,
.cca_threshold = RF_CFG_CCA_THRESHOLD,
.rssi_offset = RF_CFG_RSSI_OFFSET,
};
/*---------------------------------------------------------------------------*/

12
dev/cc1200/cc1200-conf.h
View file

@ -121,18 +121,6 @@
#define CC1200_RF_CFG cc1200_802154g_863_870_fsk_50kbps
#endif
/*---------------------------------------------------------------------------*/
/*
* The RSSI offset in dBm (int8_t)
*
* Might be hardware dependent, so we make it a configuration parameter.
* This parameter is written to AGC_GAIN_ADJUST.GAIN_ADJUSTMENT
*/
#ifdef CC1200_CONF_RSSI_OFFSET
#define CC1200_RSSI_OFFSET CC1200_CONF_RSSI_OFFSET
#else
#define CC1200_RSSI_OFFSET (-81)
#endif
/*---------------------------------------------------------------------------*/
/*
* The frequency offset
*

9
dev/cc1200/cc1200-rf-cfg.h
View file

@ -67,10 +67,12 @@ typedef struct cc1200_rf_cfg {
* synch word + phy header, payload + CRC.
*/
rtimer_clock_t tx_pkt_lifetime;
/* The maximum time it takes to switch from Tx to Rx */
rtimer_clock_t tx_rx_turnaround;
/* Base frequency in kHz */
uint32_t chan_center_freq0;
/* Channel spacing in kHz */
uint16_t chan_spacing;
/* Channel spacing in Hz */
uint32_t chan_spacing;
/* The minimum channel */
uint8_t min_channel;
/* The maximum channel */
@ -82,6 +84,9 @@ typedef struct cc1200_rf_cfg {
* CC1200_CONST_CCA_THRESHOLD_MIN and CC1200_CONST_CCA_THRESHOLD_MAX.
*/
int8_t cca_threshold;
/* The RSSI offset in dBm.
* -99 when MDMCFG1.DVGA_GAIN=00, -81 when MDMCFG1.DVGA_GAIN=01 */
int8_t rssi_offset;
} cc1200_rf_cfg_t;
/*---------------------------------------------------------------------------*/
#endif /* CC1200_RF_CFG_H */

11
dev/cc1200/cc1200.c
View file

@ -40,6 +40,7 @@
#include "net/netstack.h"
#include "net/packetbuf.h"
#include "net/rime/rimestats.h"
#include "dev/watchdog.h"
#include "dev/leds.h"
@ -289,7 +290,9 @@ extern const cc1200_rf_cfg_t CC1200_RF_CFG;
do { \
rtimer_clock_t t0; \
t0 = RTIMER_NOW(); \
while(!(cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (max_time))) {} \
while(!(cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (max_time))) { \
watchdog_periodic(); \
} \
} while(0)
/*---------------------------------------------------------------------------*/
#if CC1200_USE_GPIO2
@ -799,7 +802,7 @@ transmit(unsigned short transmit_len)
*/
BUSYWAIT_UNTIL_STATE(STATE_RX,
RTIMER_SECOND / 100);
CC1200_RF_CFG.tx_rx_turnaround);
ENABLE_GPIO_INTERRUPTS();
@ -1459,7 +1462,7 @@ configure(void)
#endif
/* RSSI offset */
single_write(CC1200_AGC_GAIN_ADJUST, (int8_t)CC1200_RSSI_OFFSET);
single_write(CC1200_AGC_GAIN_ADJUST, (int8_t)CC1200_RF_CFG.rssi_offset);
/***************************************************************************
* RF test modes needed during hardware development
@ -2013,7 +2016,7 @@ calculate_freq(uint8_t channel)
uint32_t freq;
freq = CC1200_RF_CFG.chan_center_freq0 + channel * CC1200_RF_CFG.chan_spacing;
freq = CC1200_RF_CFG.chan_center_freq0 + (channel * CC1200_RF_CFG.chan_spacing) / 1000 /* /1000 because chan_spacing is in Hz */;
freq *= FREQ_MULTIPLIER;
freq /= FREQ_DIVIDER;