194 lines
5.3 KiB
C
194 lines
5.3 KiB
C
/*
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* Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.com/
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup cc2538-platforms
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* @{
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*
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* \defgroup cc2538dk The cc2538 Development Kit platform
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*
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* The cc2538DK is a platform by Texas Instruments, based on the
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* cc2538 SoC with an ARM Cortex-M3 core.
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* @{
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*
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* \file
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* Main module for the cc2538dk platform
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "dev/adc.h"
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#include "dev/leds.h"
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#include "dev/uart.h"
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#include "dev/button-sensor.h"
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#include "dev/serial-line.h"
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#include "dev/slip.h"
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#include "dev/cc2538-rf.h"
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#include "dev/udma.h"
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#include "dev/crypto.h"
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#include "usb/usb-serial.h"
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#include "lib/random.h"
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#include "net/netstack.h"
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#include "net/mac/framer/frame802154.h"
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#include "net/linkaddr.h"
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#include "sys/platform.h"
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#include "soc.h"
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#include "cpu.h"
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#include "reg.h"
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#include "ieee-addr.h"
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#include "lpm.h"
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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/*---------------------------------------------------------------------------*/
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/* Log configuration */
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#include "sys/log.h"
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#define LOG_MODULE "CC2538DK"
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#define LOG_LEVEL LOG_LEVEL_MAIN
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/*---------------------------------------------------------------------------*/
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static void
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fade(unsigned char l)
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{
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volatile int i;
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int k, j;
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for(k = 0; k < 800; ++k) {
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j = k > 400 ? 800 - k : k;
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leds_on(l);
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for(i = 0; i < j; ++i) {
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__asm("nop");
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}
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leds_off(l);
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for(i = 0; i < 400 - j; ++i) {
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__asm("nop");
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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set_rf_params(void)
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{
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uint16_t short_addr;
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uint8_t ext_addr[8];
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ieee_addr_cpy_to(ext_addr, 8);
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short_addr = ext_addr[7];
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short_addr |= ext_addr[6] << 8;
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NETSTACK_RADIO.set_value(RADIO_PARAM_PAN_ID, IEEE802154_PANID);
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NETSTACK_RADIO.set_value(RADIO_PARAM_16BIT_ADDR, short_addr);
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NETSTACK_RADIO.set_value(RADIO_PARAM_CHANNEL, CC2538_RF_CHANNEL);
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NETSTACK_RADIO.set_object(RADIO_PARAM_64BIT_ADDR, ext_addr, 8);
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}
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/*---------------------------------------------------------------------------*/
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void
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platform_init_stage_one(void)
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{
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soc_init();
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leds_init();
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fade(LEDS_YELLOW);
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}
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/*---------------------------------------------------------------------------*/
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void
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platform_init_stage_two()
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{
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button_sensor_init();
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/*
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* Character I/O Initialisation.
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* When the UART receives a character it will call serial_line_input_byte to
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* notify the core. The same applies for the USB driver.
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*
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* If slip-arch is also linked in afterwards (e.g. if we are a border router)
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* it will overwrite one of the two peripheral input callbacks. Characters
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* received over the relevant peripheral will be handled by
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* slip_input_byte instead
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*/
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#if UART_CONF_ENABLE
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uart_init(0);
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uart_init(1);
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uart_set_input(SERIAL_LINE_CONF_UART, serial_line_input_byte);
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#endif
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#if USB_SERIAL_CONF_ENABLE
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usb_serial_init();
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usb_serial_set_input(serial_line_input_byte);
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#endif
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serial_line_init();
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/* Initialise the H/W RNG engine. */
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random_init(0);
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udma_init();
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#if CRYPTO_CONF_INIT
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crypto_init();
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crypto_disable();
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#endif
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/* Populate linkaddr_node_addr */
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ieee_addr_cpy_to(linkaddr_node_addr.u8, LINKADDR_SIZE);
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INTERRUPTS_ENABLE();
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fade(LEDS_GREEN);
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}
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/*---------------------------------------------------------------------------*/
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void
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platform_init_stage_three()
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{
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LOG_INFO("%s\n", BOARD_STRING);
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set_rf_params();
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soc_print_info();
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adc_init();
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process_start(&sensors_process, NULL);
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fade(LEDS_ORANGE);
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}
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/*---------------------------------------------------------------------------*/
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void
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platform_idle()
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{
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/* We have serviced all pending events. Enter a Low-Power mode. */
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lpm_enter();
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}
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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* @}
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*/
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