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First implementation of cc2520 radio

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Can write and read memory of radio chip. No communication with
merkur-board so far.
This commit is contained in:
Ralf Schlatterbeck 2016-05-08 16:49:54 +02:00
parent b9fc6a8324
commit cb1e085ebf
17 changed files with 646 additions and 65 deletions
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4
cpu/pico-rv32/Makefile.pico-rv32
View file

@ -3,7 +3,7 @@ CONTIKI_CPU_DIRS = . dev
### Define the CPU directory of the AVR port
CONTIKI_CPU=$(CONTIKI)/cpu/pico-rv32
PICORV32_SOURCES = mtarch.c rtimer-arch.c clock.c watchdog.c
PICORV32_SOURCES = mtarch.c rtimer-arch.c clock.c watchdog.c irq.c spi.c
CONTIKI_TARGET_SOURCEFILES += $(PICORV32_SOURCES) $(SENSORS) $(SYSAPPS) \
nullsec.c
@ -24,7 +24,7 @@ CFLAGSWERROR=-Werror
endif
CFLAGSNO = -Wall -march=RV32IXcustom -g \
-I$(CONTIKI)/platform/$(TARGET) \
-I. -I$(CONTIKI)/core -I$(CONTIKI_CPU)
-I. -I$(CONTIKI_CPU) -I$(CONTIKI)/core -fno-strict-aliasing
CFLAGS += $(CFLAGSNO) -Os
ifeq ($(HOST_OS),Darwin)

58
cpu/pico-rv32/dev/clock.c
View file

@ -69,15 +69,26 @@
#include "sys/etimer.h"
#include "icosoc.h"
#include <stdio.h> // FIXME
#include <stdio.h>
// 1/128 second ticks
#define CLOCK_TIMER_PERIOD (F_CPU >> 7)
static volatile clock_time_t count;
unsigned long offset;
void irq_handler(uint32_t irq_mask, uint32_t *regs);
/** \brief irq handler
* for running interrupts every 1/128 second.
*/
void
clock_irq_handler (void)
{
// FIXME: Want to call rtimer_run_next();
icosoc_timer(CLOCK_TIMER_PERIOD);
if(etimer_pending()) {
etimer_request_poll();
}
}
/*---------------------------------------------------------------------------*/
/**
@ -86,8 +97,8 @@ void irq_handler(uint32_t irq_mask, uint32_t *regs);
void
clock_init(void)
{
icosoc_irq(irq_handler);
icosoc_maskirq(0);
register_irq (TIMER_IRQ, clock_irq_handler);
enable_irq (TIMER_IRQ);
icosoc_timer(CLOCK_TIMER_PERIOD);
}
/*---------------------------------------------------------------------------*/
@ -98,7 +109,7 @@ clock_init(void)
clock_time_t
clock_time(void)
{
uint32_t low, high;
volatile uint32_t low, high;
asm ("1: rdcycleh %1\n"
"rdcycle %0\n"
"rdcycleh t0\n"
@ -145,6 +156,17 @@ clock_delay_usec(uint16_t dt)
clock_wait (CLOCK_SECOND * dt / 1000000ULL);
}
/*---------------------------------------------------------------------------*/
/**
* Legacy delay. The original clock_delay for the msp430 used a granularity
* of 2.83 usec. This approximates that delay for values up to 1456 usec.
* (The largest core call in leds.c uses 400).
*/
void
clock_delay(unsigned int howlong)
{
clock_delay_usec((45*howlong)>>4);
}
/*---------------------------------------------------------------------------*/
/**
* Adjust the system current clock time.
* \param howmany How many ticks to add
@ -158,29 +180,5 @@ clock_adjust_ticks(clock_time_t howmany)
{
}
/** \brief irq handler
* for running interrupts every 1/128 second.
*/
void
irq_handler(uint32_t irq_mask, uint32_t *regs)
{
// timer interrupt
if (irq_mask & 1) {
// FIXME: Want to call rtimer_run_next();
icosoc_timer(CLOCK_TIMER_PERIOD);
if(etimer_pending()) {
etimer_request_poll();
}
}
// SBREAK, ILLINS or BUSERROR
if (irq_mask & 4) {
printf("Bus Error!\n");
}
// Can we distinguish ILLINS and SBREAK?
if (irq_mask & 2) {
icosoc_sbreak();
}
}
/** @} */
/** @} */

2
cpu/pico-rv32/dev/spi.c Normal file
View file

@ -0,0 +1,2 @@
#include "spi.h"
uint8_t spi_rxbuf = 0;

85
cpu/pico-rv32/dev/spi.h Normal file
View file

@ -0,0 +1,85 @@
/*
* Copyright (c) 2016, Dr. Ralf Schlatterbeck Open Source Consulting
* 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.
*
*/
/**
* \brief This module contains PicoRV32-specific code to implement
* SPI routines
*
* \author Ralf Schlatterbeck <rsc@runtux.com>.
*
*/
/** \addtogroup picorv32
* @{
*/
/**
* \file
* SPI macros
*
*/
#ifndef SPI_H_
#define SPI_H_
#include "icosoc.h"
#define SPI_RXBUF spi_rxbuf
extern uint8_t spi_rxbuf;
/* Write one character to SPI */
#define SPI_WRITE(data) (spi_rxbuf = icosoc_cc2520_spi_xfer(data))
/* Currently no fast writing without waiting for transmission to
* terminate
*/
#define SPI_WRITE_FAST(data) SPI_WRITE(data)
/* Read one character from SPI */
#define SPI_READ(data) (data = spi_rxbuf = icosoc_cc2520_spi_xfer(0))
/* No async operation, therefore no flush */
#define SPI_FLUSH()
#define SPI_WAITFORTx_BEFORE()
#define SPI_WAITFORTx_AFTER() SPI_WAITFOREOTx()
#define SPI_WAITFORTx_ENDED()
#define SPI_WAITFORTxREADY()
#define BV(x) (1<<x)
/* Used by cc2520_init probably for disabling interrupts, don't need
* that here.
*/
#define splhigh() 1
#define splx(x) ((void)(x))
#endif /* SPI_H_ */
/** @} */

138
cpu/pico-rv32/irq.c Normal file
View file

@ -0,0 +1,138 @@
/*
* Copyright (c) 2016, Dr. Ralf Schlatterbeck Open Source Consulting
* 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.
*
*/
/**
* \brief This module contains PicoRV32-specific code to implement
* Interrupt handling for Timer and other interrupts
*
* \author Ralf Schlatterbeck <rsc@runtux.com>.
*
*/
/** \addtogroup picorv32
* @{
*/
/**
* \defgroup picorv32 irq implementation
* @{
*/
/**
* \file
* This file contains PicoRV32-specific code to implement
* Interrupt handling for Timer and other interrupts
*
*/
#include "irq.h"
#include <stdio.h>
#include <assert.h>
/* Initially allow bus-error and illegal instruction / sbreak */
static uint32_t irqmask = ~0x6;
/* Interrupt table, for convenience we waste some memory for the lower 3
* callbacks
*/
static void (*irq_callback_functions [MAXIRQ + 1])(void);
/** \brief irq handler
*/
void
irq_handler(uint32_t irq_mask, uint32_t *regs)
{
// Other interrupts
if (irq_mask & (((1 << (MAXIRQ + 2)) - 1) & ~0x6)) {
int i;
for (i=0; i<=MAXIRQ; i++) {
if (irq_mask & (1<<i)) {
if (i>0) {
printf ("irq: %d\n", i);
}
if (irq_callback_functions [i] == NULL) {
printf ("Ooops: IRQ without callback: %d\n", i);
} else {
irq_callback_functions [i] ();
}
}
}
}
// SBREAK, ILLINS or BUSERROR
if (irq_mask & 6) {
if (irq_mask & 4) {
if (irq_callback_functions [2]) {
irq_callback_functions [2] ();
} else {
printf("Bus Error!\n");
icosoc_sbreak();
}
}
if (irq_mask & 2) {
if (irq_callback_functions [1]) {
irq_callback_functions [1] ();
} else {
printf("Illegal Instruction or SBREAK!\n");
icosoc_sbreak();
}
}
}
}
void irq_init(void)
{
icosoc_irq(irq_handler);
icosoc_maskirq(irqmask);
}
void register_irq (int irq, void (*callback)(void))
{
printf ("register: %d\n", irq);
assert (irq <= MAXIRQ);
irq_callback_functions [irq] = callback;
}
void enable_irq (int irq)
{
printf ("enable: %d\n", irq);
assert (irq <= MAXIRQ);
if (irq_callback_functions [irq] != NULL) {
irqmask &= (~(1<<irq));
icosoc_maskirq(irqmask);
}
}
void disable_irq (int irq)
{
assert (irq <= MAXIRQ);
irqmask |= (1<<irq);
icosoc_maskirq(irqmask);
}
/** @} */
/** @} */

67
cpu/pico-rv32/irq.h Normal file
View file

@ -0,0 +1,67 @@
/*
* Copyright (c) 2016, Dr. Ralf Schlatterbeck Open Source Consulting
* 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.
*
*/
/**
* \brief This module contains PicoRV32-specific code to implement
* Interrupt handling for Timer and other interrupts
*
* \author Ralf Schlatterbeck <rsc@runtux.com>.
*
*/
/** \addtogroup picorv32
* @{
*/
/**
* \file
* Interrupt handling for Timer and other interrupts
*
*/
#ifndef IRQ_H_
#define IRQ_H_
#include "icosoc.h"
/* Want to set this higher if we have more than two external interrupts
* See used interrupts in icosoc.cfg. Don't set lower than 2 (2 is the
* bus-error interrupt)
*/
#define MAXIRQ 4
#define TIMER_IRQ 0
void irq_init (void);
void register_irq (int irq, void (*callback)(void));
void enable_irq (int irq);
void disable_irq (int irq);
#endif /* IRQ_H_ */
/** @} */

6
dev/cc2520/cc2520.c
View file

@ -342,6 +342,12 @@ cc2520_init(void)
setreg(CC2520_TXCTRL, 0x94);
setreg(CC2520_TXPOWER, 0x13); // Output power 1 dBm
/* write test data to memory */
setreg(0x200, 0x47);
setreg(0x201, 0x11);
printf ("getreg: %x\n", getreg(0x200));
printf ("getreg: %x\n", getreg(0x201));
/*
valeurs de TXPOWER

27
examples/osd/ico-wallclock-time/icosoc.cfg
View file

@ -1,5 +1,3 @@
# hello world example
# enable compressed ISA support
compressed_isa
@ -11,8 +9,27 @@ mod rs232 ser0
connect rx pmod3_3
connect tx pmod3_2
# Digilent Pmod8LD in PMOD1 and PMOD2
mod gpio leds
# Texas cc2520 RF module connected via SPI
mod spi cc2520_spi
address 2
connect IO pmod2 pmod1
connect CS pmod1_1
connect miso pmod1_3
connect mosi pmod1_2
connect sclk pmod1_4
mod extirq cc2520_fifop
address 3
interrupt 3
connect pin pmod1_7
# pmod1_9 sfd
mod extirq cc2520_sfd
address 4
interrupt 4
connect pin pmod1_9
# pmod1_8 Reset: *Output*
# pmod1_10 cca
mod gpio cc2520_io
address 5
connect IO pmod1_10 pmod1_8

25
examples/osd/ico-wallclock-time/wallclock.c
View file

@ -41,6 +41,7 @@
#include <stdlib.h>
#include <string.h>
#include "contiki.h"
#include "params.h"
#include "contiki-net.h"
//FIXME#include "er-coap-engine.h"
//FIXME#include "xtime.h"
@ -49,7 +50,7 @@
//FIXME#include "jsonparse.h"
#include "icosoc.h"
#define DEBUG 0
#define DEBUG 1
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
@ -64,8 +65,8 @@
void
hw_init ()
{
icosoc_leds_dir (0xFFFF);
icosoc_leds_set (0);
//icosoc_leds_dir (0xFFFF);
//icosoc_leds_set (0);
}
PROCESS (wallclock, "Wallclock Example Server");
@ -81,28 +82,18 @@ AUTOSTART_PROCESSES(&wallclock);
*/
void led_set (void *onoff)
{
int status = (int)onoff;
icosoc_leds_set (0xFF * status);
//int status = (int)onoff;
//icosoc_leds_set (0xFF * status);
}
#if 0
/* long long printing not working */
void test_print (void)
{
clock_time_t big = 0x1234567890098765LL;
printf ("Test: %016llx\n", big);
printf ("Test: %08lx%08lx\n", (uint32_t)(big>>32), (uint32_t)big);
}
#endif
PROCESS_THREAD(wallclock, ev, data)
{
static struct etimer loop_periodic_timer;
PROCESS_BEGIN();
PRINTF("Starting Wallclock Example\n");
#ifdef RF_CHANNEL
PRINTF("RF channel: %u\n", RF_CHANNEL);
#ifdef CHANNEL_802_15_4
PRINTF("RF channel: %u\n", CHANNEL_802_15_4);
#endif
#ifdef IEEE802154_PANID
PRINTF("PAN ID: 0x%04X\n", IEEE802154_PANID);

9
platform/pico-rv32-icoboard/Makefile.pico-rv32-icoboard
View file

@ -1,8 +1,9 @@
CONTIKI_TARGET_DIRS = . apps net loader
CONTIKI_TARGET_DIRS = . dev apps net
CONTIKI_CORE=contiki-main
CONTIKI_TARGET_MAIN = ${CONTIKI_CORE}.o
CONTIKI_TARGET_SOURCEFILES += contiki-main.c params.c
CONTIKI_TARGET_SOURCEFILES += contiki-main.c params.c \
cc2520.c cc2520-arch.c cc2520-arch-sfd.c
CONTIKIPICORV32=$(CONTIKI)/cpu/pico-rv32
CONTIKIBOARD=.
@ -12,5 +13,5 @@ CONTIKI_PLAT_DEFS = -DAUTO_CRC_PADDING=2
MCU=pico-rv32
include $(CONTIKIPICORV32)/Makefile.pico-rv32
#include $(CONTIKIPICORV32)/radio/Makefile.radio
MODULES += core/net/mac core/net core/net/mac/sicslowmac core/net/mac/contikimac
MODULES += core/net/mac core/net core/net/mac/sicslowmac \
core/net/mac/contikimac dev/cc2520

62
platform/pico-rv32-icoboard/cc2520-arch-sfd.c Normal file
View file

@ -0,0 +1,62 @@
/*
* Copyright (c) 2011, Swedish Institute of Computer Science
* 2016, Dr. Ralf Schlatterbeck Open Source Consulting
* 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.
*/
#include "contiki.h"
#include "dev/spi.h"
#include "dev/cc2520/cc2520.h"
#include "irq.h"
extern volatile uint8_t cc2520_sfd_counter;
extern volatile uint16_t cc2520_sfd_start_time;
extern volatile uint16_t cc2520_sfd_end_time;
/*---------------------------------------------------------------------------*/
/* SFD interrupt for timestamping radio packets */
void cc2520_timerb1_interrupt (void)
{
ENERGEST_ON(ENERGEST_TYPE_IRQ);
/* This timer needs 32768 ticks per second */
if(CC2520_SFD_IS_1) {
cc2520_sfd_counter++;
cc2520_sfd_start_time = (uint16_t)(clock_time() * 32768 / F_CPU);
} else {
cc2520_sfd_counter = 0;
cc2520_sfd_end_time = (uint16_t)(clock_time() * 32768 / F_CPU);
}
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
}
/*---------------------------------------------------------------------------*/
void
cc2520_arch_sfd_init(void)
{
register_irq (4, cc2520_arch_sfd_init);
enable_irq (4);
}
/*---------------------------------------------------------------------------*/

38
platform/pico-rv32-icoboard/cc2520-arch-sfd.h Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2011, Swedish Institute of Computer Science
* 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.
*/
#ifndef CC2520_ARCH_SFD_H
#define CC2520_ARCH_SFD_H
extern volatile uint8_t cc2520_arch_sfd_counter;
extern volatile uint16_t cc2520_arch_sfd_start_time;
extern volatile uint16_t cc2520_arch_sfd_end_time;
void cc2520_arch_sfd_init(void);
#endif /* CC2520_ARCH_SFD_H */

79
platform/pico-rv32-icoboard/cc2520-arch.c Normal file
View file

@ -0,0 +1,79 @@
/*
* Copyright (c) 2011, Swedish Institute of Computer Science
* 2016, Dr. Ralf Schlatterbeck Open Source Consulting
* 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.
*/
#include "contiki.h"
#include "contiki-net.h"
#include "icosoc.h"
#include "cc2520-arch.h"
#include "dev/cc2520/cc2520.h"
#ifdef CC2520_CONF_SFD_TIMESTAMPS
#define CONF_SFD_TIMESTAMPS CC2520_CONF_SFD_TIMESTAMPS
#endif /* CC2520_CONF_SFD_TIMESTAMPS */
#ifndef CONF_SFD_TIMESTAMPS
#define CONF_SFD_TIMESTAMPS 0
#endif /* CONF_SFD_TIMESTAMPS */
#ifdef CONF_SFD_TIMESTAMPS
#include "cc2520-arch-sfd.h"
#endif
/*---------------------------------------------------------------------------*/
void icosoc_cc2520_fifop_irq (void)
{
ENERGEST_ON(ENERGEST_TYPE_IRQ);
cc2520_interrupt();
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
}
/*---------------------------------------------------------------------------*/
void
cc2520_arch_init(void)
{
// All inputs except for RESET pin which is an output
icosoc_cc2520_io_dir (BV(CC2520_RESET_SHIFT));
// Prescaler set to F_CPU / 4MHz will result in <= 4MHz
// rate, chip should perform up to 8MHz)
icosoc_cc2520_spi_prescale (F_CPU / 4000000);
// SPI mode cpol, cpha
icosoc_cc2520_spi_mode (0, 0);
#if CONF_SFD_TIMESTAMPS
cc2520_arch_sfd_init();
#endif
CC2520_SPI_DISABLE(); /* Unselect radio. */
}
/*---------------------------------------------------------------------------*/

96
platform/pico-rv32-icoboard/cc2520-arch.h Normal file
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@ -0,0 +1,96 @@
/*
* Copyright (c) 2016, Dr. Ralf Schlatterbeck Open Source Consulting
* 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.
*/
/**
* \file
* Platform configuration for the pico-rv32-icoboard
* Definitions for the radio hardware access
*/
#ifndef RADIO_CONF_H_
#define RADIO_CONF_H_
#include "icosoc.h"
extern void icosoc_cc2520_fifop_irq (void);
/* the low-level radio driver */
#define NETSTACK_CONF_RADIO cc2520_driver
/*
* SPI bus - CC2520 pin configuration.
*/
// Two instructions loop at F_CPU for 326us
#define CC2520_CONF_SYMBOL_LOOP_COUNT (F_CPU / (3067 * 2))
#define CC2520_RESET_SHIFT 0
#define CC2520_CCA_SHIFT 1
/* Pin status.CC2520 */
#define CC2520_FIFOP_IS_1 (!!(icosoc_cc2520_fifop_read()))
#define CC2520_SFD_IS_1 (!!(icosoc_cc2520_sfd_read()))
#define CC2520_CCA_IS_1 (!!(icosoc_cc2520_io_get() & (1<<CC2520_CCA_SHIFT)))
/* The CC2520 reset pin. */
#define SET_RESET_INACTIVE() \
(icosoc_cc2520_io_set(icosoc_cc2520_io_get() | (1<<CC2520_RESET_SHIFT)))
#define SET_RESET_ACTIVE() \
(icosoc_cc2520_io_set(icosoc_cc2520_io_get() & (~(1<<CC2520_RESET_SHIFT))))
/* CC2520 voltage regulator enable pin: direct connection to VCC,
we don't have enough pins to turn power on/off and the fpga will
always need full power anyway
*/
#define SET_VREG_ACTIVE()
#define SET_VREG_INACTIVE()
/* CC2520 rising edge trigger for external interrupt 3 (FIFOP). */
#define CC2520_FIFOP_INT_INIT() \
( register_irq(3, icosoc_cc2520_fifop_irq) \
, icosoc_cc2520_fifop_set_config (icosoc_cc2520_fifop_trigger_re) \
, icosoc_cc2520_fifop_read() \
)
/* FIFOP on external interrupt 3. */
#define CC2520_ENABLE_FIFOP_INT() (enable_irq(3))
#define CC2520_DISABLE_FIFOP_INT() (disable_irq(3))
#define CC2520_CLEAR_FIFOP_INT() (icosoc_cc2520_fifop_read())
/*
* Enables/disables CC2520 access to the SPI bus (Chip Select)
*/
// ENABLE CSn (active low)
#define CC2520_SPI_ENABLE() icosoc_cc2520_spi_cs(0)
// DISABLE CSn (active low)
#define CC2520_SPI_DISABLE() icosoc_cc2520_spi_cs(1)
#define CC2520_SPI_IS_ENABLED() icosoc_cc2520_spi_getcs()
#endif /* RADIO_CONF_H_ */

8
platform/pico-rv32-icoboard/contiki-conf.h
View file

@ -43,6 +43,8 @@
#include "rv32def.h"
#include "icosoc.h"
#include "irq.h"
#include "cc2520-arch.h"
/* Platform name, type, and MCU clock rate */
#define PLATFORM_NAME "PicoRV32-icoboard"
@ -52,12 +54,12 @@
#endif
/* Clock ticks per second, our timer runs with cpu freq */
#define CLOCK_CONF_SECOND F_CPU
#define CLOCK_CONF_SECOND ((long long)F_CPU)
typedef uint64_t clock_time_t;
#define CLOCK_LT(a,b) ((a)<(b))
/* RADIOSTATS is used in rf230bb, clock.c and the webserver cgi to report radio usage */
/* RADIOSTATS is used in clock.c and the webserver cgi to report radio usage */
/* It has less overhead than ENERGEST */
#define RADIOSTATS 1
@ -121,8 +123,6 @@ typedef unsigned short uip_stats_t;
#define NETSTACK_CONF_MAC nullmac_driver
#define NETSTACK_CONF_RDC sicslowmac_driver
#define NETSTACK_CONF_FRAMER framer_802154
//#define NETSTACK_CONF_RADIO rf230_driver
#define CHANNEL_802_15_4 26
/* AUTOACK receive mode gives better rssi measurements, even if ACK is never requested */
#define RF230_CONF_AUTOACK 1
/* 1 + Number of auto retry attempts 0-15 (0 implies don't use extended TX_ARET_ON mode) */

5
platform/pico-rv32-icoboard/contiki-main.c
View file

@ -52,7 +52,6 @@
#include <string.h>
#include "params.h"
//#include "radio/rf230bb/rf230bb.h"
#include "net/mac/frame802154.h"
#include "net/mac/framer-802154.h"
#include "net/ipv6/sicslowpan.h"
@ -114,6 +113,7 @@ uint16_t *p=&__bss_end;
} while (p<SP-10); //don't overwrite our own stack
}
#endif
irq_init();
clock_init();
PRINTA("\n*******Booting %s*******\n",CONTIKI_VERSION_STRING);
@ -247,7 +247,6 @@ ipaddr_add(const uip_ipaddr_t *addr)
int
main(void)
{
puts ("Hello world!\n");
printf ("Hello world!\n");
#if NETSTACK_CONF_WITH_IPV6
uip_ds6_nbr_t *nbr;
@ -282,7 +281,7 @@ if ((clocktime%ROUTES)==2) {
extern uip_ds6_netif_t uip_ds6_if;
uint8_t i,j;
uint8_t i = 0, j = 1;
PRINTF("\nAddresses [%u max]\n",UIP_DS6_ADDR_NB);
for (i=0;i<UIP_DS6_ADDR_NB;i++) {
if (uip_ds6_if.addr_list[i].isused) {

2
platform/pico-rv32-icoboard/params.h
View file

@ -9,6 +9,8 @@
#define settings_add_uint16(...) 0
#endif
#define CHANNEL_802_15_4 25 // default frequency (11-26)
#ifdef SERVER_NAME
#define PARAMS_SERVERNAME SERVER_NAME
#else