nes-proj/platform/cc2538dk/contiki-main.c
2016-01-04 00:28:27 +01:00

250 lines
6.3 KiB
C

/*
* Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.com/
* 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.
*/
/**
* \addtogroup cc2538-platforms
* @{
*
* \defgroup cc2538dk The cc2538 Development Kit platform
*
* The cc2538DK is a platform by Texas Instruments, based on the
* cc2538 SoC with an ARM Cortex-M3 core.
* @{
*
* \file
* Main module for the cc2538dk platform
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "dev/adc.h"
#include "dev/leds.h"
#include "dev/sys-ctrl.h"
#include "dev/scb.h"
#include "dev/nvic.h"
#include "dev/uart.h"
#include "dev/watchdog.h"
#include "dev/ioc.h"
#include "dev/button-sensor.h"
#include "dev/serial-line.h"
#include "dev/slip.h"
#include "dev/cc2538-rf.h"
#include "dev/udma.h"
#include "dev/crypto.h"
#include "usb/usb-serial.h"
#include "lib/random.h"
#include "net/netstack.h"
#include "net/queuebuf.h"
#include "net/ip/tcpip.h"
#include "net/ip/uip.h"
#include "net/mac/frame802154.h"
#include "cpu.h"
#include "reg.h"
#include "ieee-addr.h"
#include "lpm.h"
#include <stdint.h>
#include <string.h>
#include <stdio.h>
/*---------------------------------------------------------------------------*/
#if STARTUP_CONF_VERBOSE
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
#if UART_CONF_ENABLE
#define PUTS(s) puts(s)
#else
#define PUTS(s)
#endif
/*---------------------------------------------------------------------------*/
static void
fade(unsigned char l)
{
volatile int i;
int k, j;
for(k = 0; k < 800; ++k) {
j = k > 400 ? 800 - k : k;
leds_on(l);
for(i = 0; i < j; ++i) {
asm("nop");
}
leds_off(l);
for(i = 0; i < 400 - j; ++i) {
asm("nop");
}
}
}
/*---------------------------------------------------------------------------*/
static void
set_rf_params(void)
{
uint16_t short_addr;
uint8_t ext_addr[8];
ieee_addr_cpy_to(ext_addr, 8);
short_addr = ext_addr[7];
short_addr |= ext_addr[6] << 8;
/* Populate linkaddr_node_addr. Maintain endianness */
memcpy(&linkaddr_node_addr, &ext_addr[8 - LINKADDR_SIZE], LINKADDR_SIZE);
#if STARTUP_CONF_VERBOSE
{
int i;
printf("Rime configured with address ");
for(i = 0; i < LINKADDR_SIZE - 1; i++) {
printf("%02x:", linkaddr_node_addr.u8[i]);
}
printf("%02x\n", linkaddr_node_addr.u8[i]);
}
#endif
NETSTACK_RADIO.set_value(RADIO_PARAM_PAN_ID, IEEE802154_PANID);
NETSTACK_RADIO.set_value(RADIO_PARAM_16BIT_ADDR, short_addr);
NETSTACK_RADIO.set_value(RADIO_PARAM_CHANNEL, CC2538_RF_CHANNEL);
NETSTACK_RADIO.set_object(RADIO_PARAM_64BIT_ADDR, ext_addr, 8);
}
/*---------------------------------------------------------------------------*/
/**
* \brief Main routine for the cc2538dk platform
*/
int
main(void)
{
nvic_init();
ioc_init();
sys_ctrl_init();
clock_init();
lpm_init();
rtimer_init();
gpio_init();
leds_init();
fade(LEDS_YELLOW);
process_init();
watchdog_init();
button_sensor_init();
/*
* Character I/O Initialisation.
* When the UART receives a character it will call serial_line_input_byte to
* notify the core. The same applies for the USB driver.
*
* If slip-arch is also linked in afterwards (e.g. if we are a border router)
* it will overwrite one of the two peripheral input callbacks. Characters
* received over the relevant peripheral will be handled by
* slip_input_byte instead
*/
#if UART_CONF_ENABLE
uart_init(0);
uart_init(1);
uart_set_input(SERIAL_LINE_CONF_UART, serial_line_input_byte);
#endif
#if USB_SERIAL_CONF_ENABLE
usb_serial_init();
usb_serial_set_input(serial_line_input_byte);
#endif
serial_line_init();
INTERRUPTS_ENABLE();
fade(LEDS_GREEN);
PUTS(CONTIKI_VERSION_STRING);
PUTS(BOARD_STRING);
PRINTF(" Net: ");
PRINTF("%s\n", NETSTACK_NETWORK.name);
PRINTF(" MAC: ");
PRINTF("%s\n", NETSTACK_MAC.name);
PRINTF(" RDC: ");
PRINTF("%s\n", NETSTACK_RDC.name);
/* Initialise the H/W RNG engine. */
random_init(0);
udma_init();
process_start(&etimer_process, NULL);
ctimer_init();
set_rf_params();
#if CRYPTO_CONF_INIT
crypto_init();
crypto_disable();
#endif
netstack_init();
#if NETSTACK_CONF_WITH_IPV6
memcpy(&uip_lladdr.addr, &linkaddr_node_addr, sizeof(uip_lladdr.addr));
queuebuf_init();
process_start(&tcpip_process, NULL);
#endif /* NETSTACK_CONF_WITH_IPV6 */
adc_init();
process_start(&sensors_process, NULL);
energest_init();
ENERGEST_ON(ENERGEST_TYPE_CPU);
autostart_start(autostart_processes);
watchdog_start();
fade(LEDS_ORANGE);
while(1) {
uint8_t r;
do {
/* Reset watchdog and handle polls and events */
watchdog_periodic();
r = process_run();
} while(r > 0);
/* We have serviced all pending events. Enter a Low-Power mode. */
lpm_enter();
}
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/