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da18bac925
The IMS library will now change its I2C address after resetting the HW to a new address. It will attempt to close the mraa context and re-init each time. Signed-off-by: Noel Eck <noel.eck@intel.com>
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*
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* Author: Noel Eck <noel.eck@intel.com>
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* Copyright (c) 2016 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <signal.h>
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#include "ims.h"
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#include "upm_utilities.h"
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bool shouldRun = true;
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void sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int main()
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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ims_context* sensor = ims_init(0, IMS_ADDRESS_DEFAULT);
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if (!sensor)
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{
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printf("ims_init() failed\n");
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return 1;
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}
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int i2c_addr_cur = IMS_ADDRESS_DEFAULT + 1;
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// Every second, sample the sensor outputs
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while (shouldRun)
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{
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uint16_t version, light, moisture, temp;
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if (ims_get_version(sensor, &version) == UPM_SUCCESS &&
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ims_get_light(sensor, &light) == UPM_SUCCESS &&
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ims_get_moisture(sensor, &moisture) == UPM_SUCCESS &&
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ims_get_temperature(sensor, &temp) == UPM_SUCCESS)
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printf("Version: %d light: 0x%04x moisture: 0x%04x temp: %3.2f C\n",
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version, light, moisture, temp/10.0);
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else
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{
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printf("Failed to read IMS sensor data...\n");
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break;
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}
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// Change the address and continue
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if (i2c_addr_cur >= 128) i2c_addr_cur = 1;
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printf("Changing device address to 0x%02x\n", i2c_addr_cur);
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if (ims_reset_i2c_address(sensor, i2c_addr_cur++) != UPM_SUCCESS)
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{
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printf("Failed to change IMS I2C address...\n");
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break;
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}
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upm_delay(1);
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}
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//! [Interesting]
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printf("Exiting\n");
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ims_close(sensor);
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return 0;
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}
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