New platform: TI cc2530 Development Kit
This commits adds support for TI's SmartRF05 Eval. Board with cc2530 EMs Some initial support for cc2531 USB dongles
This commit is contained in:
George Oikonomou
parent
b7674c3636
commit
ad256e5014
68 changed files with 6824 additions and 0 deletions
489
cpu/cc253x/dev/cc2530-rf.c
Normal file
489
cpu/cc253x/dev/cc2530-rf.c
Normal file
|
|
@ -0,0 +1,489 @@
|
|||
/*
|
||||
* Copyright (c) 2011, George Oikonomou - <oikonomou@users.sourceforge.net>
|
||||
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file
|
||||
* Implementation of the cc2530 RF driver
|
||||
*
|
||||
* \author
|
||||
* George Oikonomou - <oikonomou@users.sourceforge.net>
|
||||
*/
|
||||
#include "contiki.h"
|
||||
#include "dev/radio.h"
|
||||
#include "dev/cc2530-rf.h"
|
||||
#include "cc253x.h"
|
||||
#include "sfr-bits.h"
|
||||
#include "sys/clock.h"
|
||||
#include "sys/rtimer.h"
|
||||
|
||||
#include "net/packetbuf.h"
|
||||
#include "net/rime/rimestats.h"
|
||||
#include "net/netstack.h"
|
||||
|
||||
#include <string.h>
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#define CHECKSUM_LEN 2
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#if CC2530_RF_CONF_LEDS
|
||||
#define CC2530_RF_LEDS CC2530_RF_CONF_LEDS
|
||||
#else
|
||||
#define CC2530_RF_LEDS 0
|
||||
#endif
|
||||
|
||||
#if CC2530_RF_LEDS
|
||||
#include "dev/leds.h"
|
||||
#define RF_RX_LED_ON() leds_on(LEDS_RED);
|
||||
#define RF_RX_LED_OFF() leds_off(LEDS_RED);
|
||||
#define RF_TX_LED_ON() leds_on(LEDS_GREEN);
|
||||
#define RF_TX_LED_OFF() leds_off(LEDS_GREEN);
|
||||
#else
|
||||
#define RF_RX_LED_ON()
|
||||
#define RF_RX_LED_OFF()
|
||||
#define RF_TX_LED_ON()
|
||||
#define RF_TX_LED_OFF()
|
||||
#endif
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#define DEBUG 0
|
||||
#if DEBUG
|
||||
#include "debug.h"
|
||||
#define PUTSTRING(...) putstring(__VA_ARGS__)
|
||||
#define PUTHEX(...) puthex(__VA_ARGS__)
|
||||
#else
|
||||
#define PUTSTRING(...)
|
||||
#define PUTHEX(...)
|
||||
#endif
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* Local RF Flags */
|
||||
#define RX_ACTIVE 0x80
|
||||
#define WAS_OFF 0x10
|
||||
#define RF_ON 0x01
|
||||
|
||||
/* Bit Masks for the last byte in the RX FIFO */
|
||||
#define CRC_BIT_MASK 0x80
|
||||
#define LQI_BIT_MASK 0x7F
|
||||
|
||||
/* 192 ms, radio off -> on interval */
|
||||
#define ONOFF_TIME RTIMER_ARCH_SECOND / 3125
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#if CC2530_RF_CONF_HEXDUMP
|
||||
#include "uart0.h"
|
||||
static const uint8_t magic[] = { 0x53, 0x6E, 0x69, 0x66 }; /* Snif */
|
||||
#endif
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#ifdef CC2530_RF_CONF_AUTOACK
|
||||
#define CC2530_RF_AUTOACK CC2530_RF_CONF_AUTOACK
|
||||
#else
|
||||
#define CC2530_RF_AUTOACK 1
|
||||
#endif
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static uint8_t __data rf_flags;
|
||||
|
||||
static int on(void); /* prepare() needs our prototype */
|
||||
static int off(void); /* transmit() needs our prototype */
|
||||
static int channel_clear(void); /* transmit() needs our prototype */
|
||||
/*---------------------------------------------------------------------------*/
|
||||
int8_t
|
||||
cc2530_rf_channel_set(uint8_t channel)
|
||||
{
|
||||
PUTSTRING("RF: Set Chan\n");
|
||||
|
||||
if((channel < CC2530_RF_CHANNEL_MIN) || (channel > CC2530_RF_CHANNEL_MAX)) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Changes to FREQCTRL take effect after the next recalibration */
|
||||
off();
|
||||
FREQCTRL = (CC2530_RF_CHANNEL_MIN
|
||||
+ (channel - CC2530_RF_CHANNEL_MIN) * CC2530_RF_CHANNEL_SPACING);
|
||||
on();
|
||||
|
||||
return (int8_t) channel;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uint8_t
|
||||
cc2530_rf_power_set(uint8_t new_power)
|
||||
{
|
||||
PUTSTRING("RF: Set Power\n");
|
||||
/* off() */
|
||||
TXPOWER = new_power;
|
||||
/* on() */
|
||||
|
||||
return TXPOWER;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
cc2530_rf_set_addr(uint16_t pan)
|
||||
{
|
||||
PAN_ID0 = pan & 0xFF;
|
||||
PAN_ID1 = pan >> 8;
|
||||
|
||||
SHORT_ADDR0 = ((uint8_t *)&X_IEEE_ADDR)[0];
|
||||
SHORT_ADDR1 = ((uint8_t *)&X_IEEE_ADDR)[1];
|
||||
|
||||
memcpy(&EXT_ADDR0, &X_IEEE_ADDR, 8);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* Netstack API radio driver functions */
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
init(void)
|
||||
{
|
||||
PUTSTRING("RF: Init\n");
|
||||
|
||||
if(rf_flags & RF_ON) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CC2530_RF_LOW_POWER_RX
|
||||
/* Reduce RX power consumption current to 20mA at the cost of sensitivity */
|
||||
RXCTRL = 0x00;
|
||||
FSCTRL = 0x50;
|
||||
#else
|
||||
RXCTRL = 0x3F;
|
||||
FSCTRL = 0x55;
|
||||
#endif /* CC2530_RF_LOW_POWER_RX */
|
||||
|
||||
CCACTRL0 = CC2530_RF_CCA_THRES;
|
||||
|
||||
/*
|
||||
* According to the user guide, these registers must be updated from their
|
||||
* defaults for optimal performance
|
||||
*
|
||||
* Table 23-6, Sec. 23.15.1, p. 259
|
||||
*/
|
||||
TXFILTCFG = 0x09; /* TX anti-aliasing filter */
|
||||
AGCCTRL1 = 0x15; /* AGC target value */
|
||||
FSCAL1 = 0x00; /* Reduce the VCO leakage */
|
||||
|
||||
/* Auto ACKs and CRC calculation, default RX and TX modes with FIFOs */
|
||||
FRMCTRL0 = FRMCTRL0_AUTOCRC;
|
||||
#if CC2530_RF_AUTOACK
|
||||
FRMCTRL0 |= FRMCTRL0_AUTOACK;
|
||||
#endif
|
||||
|
||||
/* Disable source address matching and autopend */
|
||||
SRCMATCH = 0; /* investigate */
|
||||
|
||||
/* MAX FIFOP threshold */
|
||||
FIFOPCTRL = CC2530_RF_MAX_PACKET_LEN;
|
||||
|
||||
cc2530_rf_power_set(CC2530_RF_TX_POWER);
|
||||
cc2530_rf_channel_set(CC2530_RF_CHANNEL);
|
||||
|
||||
RF_TX_LED_OFF();
|
||||
RF_RX_LED_OFF();
|
||||
|
||||
rf_flags |= RF_ON;
|
||||
|
||||
return 1;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
prepare(const void *payload, unsigned short payload_len)
|
||||
{
|
||||
uint8_t i;
|
||||
|
||||
PUTSTRING("RF: Prepare 0x");
|
||||
PUTHEX(payload_len + CHECKSUM_LEN);
|
||||
PUTSTRING(" bytes\n");
|
||||
|
||||
/*
|
||||
* When we transmit in very quick bursts, make sure previous transmission
|
||||
* is not still in progress before re-writing to the TX FIFO
|
||||
*/
|
||||
while(FSMSTAT1 & FSMSTAT1_TX_ACTIVE);
|
||||
|
||||
if((rf_flags & RX_ACTIVE) == 0) {
|
||||
on();
|
||||
}
|
||||
|
||||
CC2530_CSP_ISFLUSHTX();
|
||||
|
||||
PUTSTRING("RF: data = ");
|
||||
/* Send the phy length byte first */
|
||||
RFD = payload_len + CHECKSUM_LEN; /* Payload plus FCS */
|
||||
for(i = 0; i < payload_len; i++) {
|
||||
RFD = ((unsigned char*) (payload))[i];
|
||||
PUTHEX(((unsigned char*)(payload))[i]);
|
||||
}
|
||||
PUTSTRING("\n");
|
||||
|
||||
/* Leave space for the FCS */
|
||||
RFD = 0;
|
||||
RFD = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
transmit(unsigned short transmit_len)
|
||||
{
|
||||
uint8_t counter;
|
||||
int ret = RADIO_TX_ERR;
|
||||
rtimer_clock_t t0;
|
||||
transmit_len; /* hush the warning */
|
||||
|
||||
if(!(rf_flags & RX_ACTIVE)) {
|
||||
t0 = RTIMER_NOW();
|
||||
on();
|
||||
rf_flags |= WAS_OFF;
|
||||
while (RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + ONOFF_TIME));
|
||||
}
|
||||
|
||||
if(channel_clear() == CC2530_RF_CCA_BUSY) {
|
||||
RIMESTATS_ADD(contentiondrop);
|
||||
return RADIO_TX_COLLISION;
|
||||
}
|
||||
|
||||
/*
|
||||
* prepare() double checked that TX_ACTIVE is low. If SFD is high we are
|
||||
* receiving. Abort transmission and bail out with RADIO_TX_COLLISION
|
||||
*/
|
||||
if(FSMSTAT1 & FSMSTAT1_SFD) {
|
||||
RIMESTATS_ADD(contentiondrop);
|
||||
return RADIO_TX_COLLISION;
|
||||
}
|
||||
|
||||
/* Start the transmission */
|
||||
RF_TX_LED_ON();
|
||||
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
|
||||
ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);
|
||||
|
||||
CC2530_CSP_ISTXON();
|
||||
|
||||
counter = 0;
|
||||
while(!(FSMSTAT1 & FSMSTAT1_TX_ACTIVE) && (counter++ < 3)) {
|
||||
clock_delay(10);
|
||||
}
|
||||
|
||||
if(!(FSMSTAT1 & FSMSTAT1_TX_ACTIVE)) {
|
||||
PUTSTRING("RF: TX never active.\n");
|
||||
CC2530_CSP_ISFLUSHTX();
|
||||
ret = RADIO_TX_ERR;
|
||||
} else {
|
||||
/* Wait for the transmission to finish */
|
||||
while(FSMSTAT1 & FSMSTAT1_TX_ACTIVE);
|
||||
ret = RADIO_TX_OK;
|
||||
}
|
||||
ENERGEST_OFF(ENERGEST_TYPE_TRANSMIT);
|
||||
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
|
||||
|
||||
if(rf_flags & WAS_OFF){
|
||||
off();
|
||||
}
|
||||
|
||||
RIMESTATS_ADD(lltx);
|
||||
|
||||
RF_TX_LED_OFF();
|
||||
|
||||
/* OK, sent. We are now ready to send more */
|
||||
return ret;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
send(void *payload, unsigned short payload_len)
|
||||
{
|
||||
prepare(payload, payload_len);
|
||||
return transmit(payload_len);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
read(void *buf, unsigned short bufsize)
|
||||
{
|
||||
uint8_t i;
|
||||
uint8_t len;
|
||||
uint8_t crc_corr;
|
||||
int8_t rssi;
|
||||
|
||||
PUTSTRING("RF: Read\n");
|
||||
|
||||
/* Check the length */
|
||||
len = RFD;
|
||||
|
||||
/* Check for validity */
|
||||
if(len > CC2530_RF_MAX_PACKET_LEN) {
|
||||
/* Oops, we must be out of sync. */
|
||||
PUTSTRING("RF: bad sync\n");
|
||||
|
||||
RIMESTATS_ADD(badsynch);
|
||||
CC2530_CSP_ISFLUSHRX();
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(len <= CC2530_RF_MIN_PACKET_LEN) {
|
||||
PUTSTRING("RF: too short\n");
|
||||
|
||||
RIMESTATS_ADD(tooshort);
|
||||
CC2530_CSP_ISFLUSHRX();
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(len - CHECKSUM_LEN > bufsize) {
|
||||
PUTSTRING("RF: too long\n");
|
||||
|
||||
RIMESTATS_ADD(toolong);
|
||||
CC2530_CSP_ISFLUSHRX();
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if CC2530_RF_CONF_HEXDUMP
|
||||
/* If we reach here, chances are the FIFO is holding a valid frame */
|
||||
uart0_writeb(magic[0]);
|
||||
uart0_writeb(magic[1]);
|
||||
uart0_writeb(magic[2]);
|
||||
uart0_writeb(magic[3]);
|
||||
uart0_writeb(len);
|
||||
#endif
|
||||
|
||||
RF_RX_LED_ON();
|
||||
|
||||
PUTSTRING("RF: read (0x");
|
||||
PUTHEX(len);
|
||||
PUTSTRING(" bytes) = ");
|
||||
len -= CHECKSUM_LEN;
|
||||
for(i = 0; i < len; ++i) {
|
||||
((unsigned char*)(buf))[i] = RFD;
|
||||
#if CC2530_RF_CONF_HEXDUMP
|
||||
uart0_writeb(((unsigned char*)(buf))[i]);
|
||||
#endif
|
||||
PUTHEX(((unsigned char*)(buf))[i]);
|
||||
}
|
||||
PUTSTRING("\n");
|
||||
|
||||
/* Read the RSSI and CRC/Corr bytes */
|
||||
rssi = ((int8_t) RFD) - 45;
|
||||
crc_corr = RFD;
|
||||
|
||||
#if CC2530_RF_CONF_HEXDUMP
|
||||
uart0_writeb(rssi);
|
||||
uart0_writeb(crc_corr);
|
||||
#endif
|
||||
|
||||
/* MS bit CRC OK/Not OK, 7 LS Bits, Correlation value */
|
||||
if(crc_corr & CRC_BIT_MASK) {
|
||||
packetbuf_set_attr(PACKETBUF_ATTR_RSSI, rssi);
|
||||
packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, crc_corr & LQI_BIT_MASK);
|
||||
RIMESTATS_ADD(llrx);
|
||||
} else {
|
||||
RIMESTATS_ADD(badcrc);
|
||||
CC2530_CSP_ISFLUSHRX();
|
||||
RF_RX_LED_OFF();
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* If FIFOP==1 and FIFO==0 then we had a FIFO overflow at some point. */
|
||||
if((FSMSTAT1 & (FSMSTAT1_FIFO | FSMSTAT1_FIFOP)) == FSMSTAT1_FIFOP) {
|
||||
/*
|
||||
* If we reach here means that there might be more intact packets in the
|
||||
* FIFO despite the overflow. This can happen with bursts of small packets.
|
||||
*
|
||||
* Only flush if the FIFO is actually empty. If not, then next pass we will
|
||||
* pick up one more packet or flush due to an error.
|
||||
*/
|
||||
if(!RXFIFOCNT) {
|
||||
CC2530_CSP_ISFLUSHRX();
|
||||
}
|
||||
}
|
||||
|
||||
RF_RX_LED_OFF();
|
||||
|
||||
return (len);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
channel_clear(void)
|
||||
{
|
||||
if(FSMSTAT1 & FSMSTAT1_CCA) {
|
||||
return CC2530_RF_CCA_CLEAR;
|
||||
}
|
||||
return CC2530_RF_CCA_BUSY;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
receiving_packet(void)
|
||||
{
|
||||
PUTSTRING("RF: Receiving\n");
|
||||
|
||||
/*
|
||||
* SFD high while transmitting and receiving.
|
||||
* TX_ACTIVE high only when transmitting
|
||||
*
|
||||
* FSMSTAT1 & (TX_ACTIVE | SFD) == SFD <=> receiving
|
||||
*/
|
||||
return (FSMSTAT1 & (FSMSTAT1_TX_ACTIVE | FSMSTAT1_SFD) == FSMSTAT1_SFD);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
pending_packet(void)
|
||||
{
|
||||
return (FSMSTAT1 & FSMSTAT1_FIFOP);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
on(void)
|
||||
{
|
||||
if(!(rf_flags & RX_ACTIVE)) {
|
||||
CC2530_CSP_ISFLUSHRX();
|
||||
CC2530_CSP_ISRXON();
|
||||
|
||||
rf_flags |= RX_ACTIVE;
|
||||
}
|
||||
|
||||
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
|
||||
return 1;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
off(void)
|
||||
{
|
||||
CC2530_CSP_ISRFOFF();
|
||||
CC2530_CSP_ISFLUSHRX();
|
||||
|
||||
rf_flags = 0;
|
||||
|
||||
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
|
||||
return 1;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
const struct radio_driver cc2530_rf_driver =
|
||||
{
|
||||
init,
|
||||
prepare,
|
||||
transmit,
|
||||
send,
|
||||
read,
|
||||
channel_clear,
|
||||
receiving_packet,
|
||||
pending_packet,
|
||||
on,
|
||||
off,
|
||||
};
|
||||
/*---------------------------------------------------------------------------*/
|
||||
Loading…
Add table
Add a link
Reference in a new issue