79232914c9
Change-Id: Idcdce36314dce4bfe9f6cf627c38b9f350b19355 Signed-off-by: Anas Nashif <anas.nashif@intel.com>
115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
/*
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* Copyright (c) 2016 Intel Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <zephyr.h>
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#include <device.h>
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#include <sensor.h>
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#include <misc/printk.h>
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#include <misc/util.h>
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#ifdef CONFIG_GROVE_LCD_RGB
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#include <display/grove_lcd.h>
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#include <stdio.h>
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#include <string.h>
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#endif
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struct channel_info {
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int chan;
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char *dev_name;
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};
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/* change device names if you want to use different sensors */
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static struct channel_info info[] = {
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{ SENSOR_CHAN_TEMP, "TH02" },
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{ SENSOR_CHAN_HUMIDITY, "TH02" },
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};
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void main(void)
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{
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struct device *dev[ARRAY_SIZE(info)];
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struct sensor_value val[ARRAY_SIZE(info)];
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unsigned int i;
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int rc;
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for (i = 0; i < ARRAY_SIZE(info); i++) {
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dev[i] = device_get_binding(info[i].dev_name);
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if (dev[i] == NULL) {
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printk("Failed to get \"%s\" device\n",
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info[i].dev_name);
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return;
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}
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}
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#ifdef CONFIG_GROVE_LCD_RGB
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struct device *glcd;
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glcd = device_get_binding(GROVE_LCD_NAME);
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if (glcd == NULL) {
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printk("Failed to get Grove LCD\n");
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return;
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}
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/* configure LCD */
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glcd_function_set(glcd, GLCD_FS_ROWS_2 | GLCD_FS_DOT_SIZE_LITTLE |
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GLCD_FS_8BIT_MODE);
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glcd_display_state_set(glcd, GLCD_DS_DISPLAY_ON);
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#endif
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while (1) {
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/* fetch sensor samples */
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for (i = 0; i < ARRAY_SIZE(info); i++) {
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rc = sensor_sample_fetch(dev[i]);
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if (rc) {
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printk("Failed to fetch sample for device %s (%d)\n",
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info[i].dev_name, rc);
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}
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}
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for (i = 0; i < ARRAY_SIZE(info); i++) {
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rc = sensor_channel_get(dev[i], info[i].chan, &val[i]);
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if (rc) {
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printk("Failed to get data for device %s (%d)\n",
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info[i].dev_name, rc);
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continue;
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}
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}
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#ifdef CONFIG_GROVE_LCD_RGB
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char row[16];
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/* clear LCD */
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memset(row, ' ', sizeof(row));
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glcd_cursor_pos_set(glcd, 0, 0);
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glcd_print(glcd, row, sizeof(row));
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glcd_cursor_pos_set(glcd, 0, 1);
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glcd_print(glcd, row, sizeof(row));
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/* display temperature on LCD */
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glcd_cursor_pos_set(glcd, 0, 0);
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sprintf(row, "T:%.1f%cC", val[0].dval, 223 /* degree symbol */);
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glcd_print(glcd, row, strlen(row));
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/* display himidity on LCD */
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glcd_cursor_pos_set(glcd, 17 - strlen(row), 0);
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sprintf(row, "RH:%.0f%c", val[1].dval, 37 /* percent symbol */);
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glcd_print(glcd, row, strlen(row));
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#endif
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k_sleep(2000);
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}
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}
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