153 lines
5.6 KiB
C
153 lines
5.6 KiB
C
/*
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* Copyright (c) 2014, 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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* 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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/**
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* \addtogroup sensortag-cc26xx-peripherals
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* @{
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*
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* \file
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* Sensortag-specific board initialisation driver
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki-conf.h"
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#include "lib/sensors.h"
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#include "buzzer.h"
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#include "lpm.h"
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#include "ti-lib.h"
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#include "board-peripherals.h"
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#include "board-i2c.h"
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#include <stdint.h>
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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#define PRCM_DOMAINS (PRCM_DOMAIN_SERIAL | PRCM_DOMAIN_PERIPH)
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/*---------------------------------------------------------------------------*/
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static void
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power_domains_on(void)
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{
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/* Turn on relevant power domains */
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ti_lib_prcm_power_domain_on(PRCM_DOMAINS);
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/* Wait for domains to power on */
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while((ti_lib_prcm_power_domain_status(PRCM_DOMAINS)
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!= PRCM_DOMAIN_POWER_ON));
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}
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/*---------------------------------------------------------------------------*/
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static void
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lpm_wakeup_handler(void)
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{
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power_domains_on();
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board_i2c_init();
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}
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/*---------------------------------------------------------------------------*/
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static void
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shutdown_handler(uint8_t mode)
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{
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if(mode == LPM_MODE_SHUTDOWN) {
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buzzer_stop();
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SENSORS_DEACTIVATE(bmp_280_sensor);
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SENSORS_DEACTIVATE(opt_3001_sensor);
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SENSORS_DEACTIVATE(tmp_007_sensor);
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SENSORS_DEACTIVATE(hdc_1000_sensor);
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mpu_9250_sensor.configure(MPU_9250_SENSOR_SHUTDOWN, 0);
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}
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}
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/*---------------------------------------------------------------------------*/
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/*
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* Declare a data structure to register with LPM.
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* We don't care about what power mode we'll drop to, we don't care about
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* getting notified before deep sleep. All we need is to be notified when we
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* wake up so we can turn power domains back on for I2C and SSI, and to make
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* sure everything on the board is off before CM3 shutdown.
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*/
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LPM_MODULE(sensortag_module, NULL, shutdown_handler, lpm_wakeup_handler);
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/*---------------------------------------------------------------------------*/
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void
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board_init()
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{
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/* Disable global interrupts */
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uint8_t int_disabled = ti_lib_int_master_disable();
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power_domains_on();
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/* Configure all clock domains to run at full speed */
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ti_lib_prcm_clock_configure_set(PRCM_DOMAIN_SYSBUS, PRCM_CLOCK_DIV_1);
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ti_lib_prcm_clock_configure_set(PRCM_DOMAIN_CPU, PRCM_CLOCK_DIV_1);
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ti_lib_prcm_clock_configure_set(PRCM_DOMAIN_TIMER, PRCM_CLOCK_DIV_1);
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ti_lib_prcm_clock_configure_set(PRCM_DOMAIN_SERIAL, PRCM_CLOCK_DIV_1);
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ti_lib_prcm_clock_configure_set(PRCM_DOMAIN_PERIPH, PRCM_CLOCK_DIV_1);
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/* Enable GPIO peripheral */
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ti_lib_prcm_peripheral_run_enable(PRCM_PERIPH_GPIO);
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/* Apply settings and wait for them to take effect */
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ti_lib_prcm_load_set();
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while(!ti_lib_prcm_load_get());
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/* Enable GPT0 module - Wait for the clock to be enabled */
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ti_lib_prcm_peripheral_run_enable(PRCM_PERIPH_TIMER0);
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ti_lib_prcm_load_set();
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while(!ti_lib_prcm_load_get());
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/* Keys (input pullup) */
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ti_lib_rom_ioc_pin_type_gpio_input(BOARD_IOID_KEY_LEFT);
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ti_lib_rom_ioc_pin_type_gpio_input(BOARD_IOID_KEY_RIGHT);
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ti_lib_ioc_io_port_pull_set(BOARD_IOID_KEY_LEFT, IOC_IOPULL_UP);
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ti_lib_ioc_io_port_pull_set(BOARD_IOID_KEY_RIGHT, IOC_IOPULL_UP);
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/* I2C controller */
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board_i2c_init();
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/* Sensor interface */
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ti_lib_rom_ioc_pin_type_gpio_input(BOARD_IOID_MPU_INT);
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ti_lib_ioc_io_port_pull_set(BOARD_IOID_MPU_INT, IOC_IOPULL_DOWN);
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ti_lib_rom_ioc_pin_type_gpio_input(BOARD_IOID_REED_RELAY);
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ti_lib_ioc_io_port_pull_set(BOARD_IOID_REED_RELAY, IOC_IOPULL_DOWN);
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ti_lib_rom_ioc_pin_type_gpio_output(BOARD_IOID_MPU_POWER);
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/* Flash interface */
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ti_lib_rom_ioc_pin_type_gpio_output(BOARD_IOID_FLASH_CS);
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ti_lib_gpio_pin_write(BOARD_FLASH_CS, 1);
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buzzer_init();
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lpm_register_module(&sensortag_module);
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/* Re-enable interrupt if initially enabled. */
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if(!int_disabled) {
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ti_lib_int_master_enable();
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}
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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