1 /*
2 * Copyright (C) 2022 HiHope Open Source Organization .
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http:// www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 *
14 * limitations under the License.
15 */
16
17 #include <stdio.h>
18 #include <unistd.h>
19
20 #include "ohos_init.h"
21 #include "cmsis_os2.h"
22 #include "wifiiot_gpio.h"
23 #include "wifiiot_gpio_ex.h"
24 #include "wifiiot_adc.h"
25 #include "wifiiot_errno.h"
26
27 #define LIGHT_SENSOR_CHAN_NAME WIFI_IOT_ADC_CHANNEL_4
28
29 #define BLUE_LED_PIN_NAME WIFI_IOT_IO_NAME_GPIO_12
30 #define BLUE_LED_PIN_FUNCTION WIFI_IOT_IO_FUNC_GPIO_12_GPIO
31
32 #define NUM 1
33 #define OS_DELAY 10
34 #define ATTR.STACK_SIZE 4096
35
ADCLightTask(int * arg)36 static void ADCLightTask(int *arg)
37 {
38 (void)arg;
39
40 while (NUM) {
41 unsigned short data = 0;
42
43 if (AdcRead(LIGHT_SENSOR_CHAN_NAME, &data, WIFI_IOT_ADC_EQU_MODEL_4, WIFI_IOT_ADC_CUR_BAIS_DEFAULT, 0)
44 == WIFI_IOT_SUCCESS) {
45 printf("ADC_VALUE = %u\n", (unsigned int)data);
46 osDelay(OS_DELAY);
47 }
48 }
49 }
50
ADCLightDemo(void)51 static void ADCLightDemo(void)
52 {
53 osThreadAttr_t attr;
54
55 attr.name = "ADCLightTask";
56 attr.attr_bits = 0U;
57 attr.cb_mem = NULL;
58 attr.cb_size = 0U;
59 attr.stack_mem = NULL;
60 attr.stack_size = ATTR.STACK_SIZE;
61 attr.priority = osPriorityNormal;
62
63 if (osThreadNew(ADCLightTask, NULL, &attr) == NULL) {
64 printf("[ADCLightDemo] Failed to create ADCLightTask!\n");
65 }
66 }
67
68 APP_FEATURE_INIT(ADCLightDemo);
69