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Abhijit A. Mahajani
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Merge pull request #19 from mayank-sirotiya-imgtec/thremo_proximity
platform/mikro-e/dev:add Thermo3 click driver
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‎platform/mikro-e/apps/test-thermo3/Makefile‎

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CONTIKI_PROJECT = test-thermo3
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CONTIKI = ../../../..
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CFLAGS += -DTHERMO3_CLICK
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APPS += thermo3-click
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APPDIRS += ../../dev
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all: $(CONTIKI_PROJECT)
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xc32-bin2hex $(CONTIKI_PROJECT).$(TARGET)
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distclean: cleanall
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cleanall:
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rm -f symbols.*
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include $(CONTIKI)/Makefile.include

‎platform/mikro-e/apps/test-thermo3/test-thermo3.c‎

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/*
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* Copyright (c) 2016, Imagination Technologies Limited and/or its affiliated
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* group companies.
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*
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* 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 from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, 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 OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \file
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* A test application to get temperature form Thermo3 click board.
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* http://www.mikroe.com/click/thermo3/
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*/
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#include <contiki.h>
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#include <stdio.h>
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#include "dev/common-clicks.h"
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#define TEMP_REG 0x00 /*Temp. register Address*/
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#define CONFIG_REG 0x01 /*Config. register Address*/
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#define CONFIG_MSB 0x60 /*default value*/
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#define CONFIG_LSB 0xE0 /*Conversion rate is set to 8Hz*/
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/*---------------------------------------------------------------------------*/
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PROCESS(test_thermo3, "Test Thermo3 click");
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AUTOSTART_PROCESSES (&test_thermo3);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(test_thermo3, ev, data)
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{
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PROCESS_BEGIN();
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static double temp_c;
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static struct etimer et;
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tmp102_init();
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tmp102_reg_select(CONFIG_REG);
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tmp102_reg_write(CONFIG_MSB, CONFIG_LSB);
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tmp102_reg_select(TEMP_REG);
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while(1) {
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temp_c = 0;
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etimer_set(&et, CLOCK_SECOND);
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temp_c = tmp102_read_temp();
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printf("Temperature is %.3f degree celsius\n",temp_c);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/

‎platform/mikro-e/dev/common-clicks.h‎

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#include "relay-click/relay-click.h"
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#endif
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#ifdef THERMO3_CLICK
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#include "thermo3-click/thermo3-click.h"
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#endif
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#endif /* __COMMON_CLICKS_H__ */

‎platform/mikro-e/dev/thermo3-click/Makefile.thermo3-click‎

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thermo3-click_src += thermo3-click.c

‎platform/mikro-e/dev/thermo3-click/thermo3-click.c‎

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/*
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* Copyright (c) 2016, Imagination Technologies Limited and/or its affiliated
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* group companies.
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*
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* 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 from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, 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 OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \file
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* Thermo3 click driver.
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* http://www.mikroe.com/click/thermo3/
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*
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <pic32_i2c.h>
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#include "thermo3-click.h"
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/*---------------------------------------------------------------------------*/
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void tmp102_init(void)
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{
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i2c1_init();
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i2c1_set_frequency (I2C_FREQUENCY);
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}
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/*---------------------------------------------------------------------------*/
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void tmp102_reg_select(uint8_t reg)
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{
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i2c1_master_enable();
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i2c1_send_start();
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if(i2c1_byte_send (TMP102_REG_WRITE)) {
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i2c1_send_repeated_start();
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if(i2c1_byte_send (TMP102_REG_WRITE)) {
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printf("Failed the connection to Thermo3\n");
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}
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}
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switch (reg) {
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case TMP102_TEMP:
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i2c1_byte_send (TMP102_TEMP);
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break;
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case TMP102_CONF:
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i2c1_byte_send (TMP102_CONF);
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break;
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case TMP102_TLOW:
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i2c1_byte_send (TMP102_TLOW);
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break;
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case TMP102_THIGH:
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i2c1_byte_send (TMP102_THIGH);
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break;
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default:
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printf("Invalid Register Address\n");
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break;
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}
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i2c1_send_stop();
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i2c1_master_disable();
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}
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/*---------------------------------------------------------------------------*/
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void tmp102_reg_read(uint8_t *data)
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{
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i2c1_master_enable();
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i2c1_send_start();
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/*command to TMP102 to Write data on bus */
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if(i2c1_byte_send (TMP102_REG_READ)) {
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printf("Failed the connection to Thermo3\n");
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}
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i2c1_byte_receive(data);
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i2c1_byte_receive((data + 1));
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i2c1_send_stop();
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i2c1_master_disable();
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}
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/*---------------------------------------------------------------------------*/
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void tmp102_reg_write(uint8_t msb, uint8_t lsb)
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{
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i2c1_master_enable();
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i2c1_send_start();
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/*command to TMP102 to Read data from bus */
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i2c1_byte_send (TMP102_REG_WRITE);
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i2c1_byte_send(msb);
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i2c1_byte_send(lsb);
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i2c1_send_stop();
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i2c1_master_disable();
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}
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/*---------------------------------------------------------------------------*/
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float tmp102_read_temp(void)
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{
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uint8_t data[2] = { 0, 0 };
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float temp_c = 0;
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tmp102_reg_read(data);
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/* data[1] having LSB of Temp. Register */
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if(data[1] & 0x10) {
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temp_c += 0.06250;
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}
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if(data[1] & 0x20) {
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temp_c += 0.12500;
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}
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if(data[1] & 0x40) {
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temp_c += 0.25000;
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}
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if(data[1] & 0x80) {
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temp_c += 0.50000;
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}
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/* data[0] having MSB of Temp. Register */
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if((data[0] & 0x80) != 0x80) {
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temp_c += ((float) data[0]);
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}
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if((data[0] & 0x80) == 0x80) {
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data[0] = data[0] - 0x01;
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data[0] = ~data[0];
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temp_c = temp_c - ((float) data[0]);
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}
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return temp_c;
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}
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/*---------------------------------------------------------------------------*/

‎platform/mikro-e/dev/thermo3-click/thermo3-click.h‎

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/*
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* Copyright (c) 2016, Imagination Technologies Limited and/or its affiliated
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* group companies.
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*
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* 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 from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26+
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27+
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28+
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30+
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \file
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* Thermo3 click driver.
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* http://www.mikroe.com/click/thermo3/
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*
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*/
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#ifndef __THERMO3_CLICK_H__
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#define __THERMO3_CLICK_H__
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#define I2C_FREQUENCY 100000
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#define TMP102_REG_WRITE 0x90
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/* TMP102 registers */
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#define TMP102_TEMP 0x00 /* read only */
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#define TMP102_CONF 0x01
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#define TMP102_TLOW 0x02
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#define TMP102_THIGH 0x03
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#define TMP102_REG_READ 0x91
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/*---------------------------------------------------------------------------*/
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/*init the i2c bus as per TMP102*/
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void tmp102_init();
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/*gives value of temperatur in degrees celsius*/
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float tmp102_read_temp();
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/*every time before opration select proper register*/
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void tmp102_reg_select(uint8_t );
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/*reads selected register*/
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void tmp102_reg_read(uint8_t *);
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/*write selected register except TMP102_TEMP*/
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void tmp102_reg_write(uint8_t , uint8_t );
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/*---------------------------------------------------------------------------*/
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#endif /* __THERMO3_CLICK_H__ */

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