int main(void)
{
// init sys
SystemInit();
// init peripheral
UART_Configuration();
delay_init();
KEY_GPIO_Init();
TIM3_Int_Init(100,7199);
Motor_Init();
RGB_LED_Init();
DHT11_Init();
IR_Init();
// init vars
GenProtocolInit();
BuzProtocolInit();
UartInit();
while(1)
{
// handle uart msg
HandleMsg();
// handle key events
HandleKey();
// business logic tick
BuzTick();
}
}
void Hal_Init(void)
{
RGB_LED_Init();
printf("RGB LED Init OK\r\n");
LED_GPIO_Init();
printf("LED Init OK\r\n");
TIM3_Int_Init(7199,9); //1ms SystemTimeCount + 1
printf("SystemTime Init OK\r\n");
KEY_GPIO_Init();
printf("KEY Init OK\r\n");
Motor_Init();
printf("Motor Init OK\r\n");
Delay_Init(72);
DHT11_Init();
printf("DHT11 Init OK\r\n");
IR_Init();
printf("IR Init OK\r\n");
OLED_Init();
OLED_ShowString(40, 0, "GoKit");
OLED_ShowString(0, 32, "www.gizwits.com");
}
OSStatus temp_hum_sensor_init(void)
{
OSStatus err = kUnknownErr;
uint8_t ret = 0;
err = bme280_sensor_init();
if(kNoErr != err){ // bme280 not work, use DHT11
bme280_sensor_deinit();
ret = DHT11_Init();
if(0 != ret){ // init error
err = kNoResourcesErr;
}
else{
temp_hum_sensor_type = MICOKIT_TEMP_HUM_SENSOR_DHT11;
err = kNoErr;
}
}
else{ // use bme280
temp_hum_sensor_type = MICOKIT_TEMP_HUM_SENSOR_BME280;
}
return err;
}
//从DHT11读取一次数据
//temp:温度值(范围:0~50°)
//humi:湿度值(范围:20%~90%)
//返回值：0,正常;1,读取失败
uint8_t DHT11_Read_Data(uint8_t *temp,uint8_t *temp0,uint8_t *humi,uint8_t *humi0)
{
uint8_t buf[5];
uint8_t i;
DHT11_Init();
DHT11_Rst();
if(DHT11_Check()==0)
{
for(i=0;i<5;i++)//读取40位数据
{
buf[i]=DHT11_Read_Byte();
}
if((buf[0]+buf[1]+buf[2]+buf[3])==buf[4])
{
*humi=buf[0];
*humi0=buf[1];
*temp=buf[2];
*temp0=buf[3];
}
}else return 1;
return 0;
}
/* user main function, called by AppFramework after system init done && wifi
* station on in user_main thread.
*/
OSStatus user_main( app_context_t * const app_context )
{
user_log_trace();
OSStatus err = kUnknownErr;
json_object *send_json_object = NULL;
const char *upload_data = NULL;
uint8_t ret = 0;
uint8_t dht11_temperature = 0;
uint8_t dht11_humidity = 0;
// update 2~4 lines on OLED
char oled_show_line[OLED_DISPLAY_MAX_CHAR_PER_ROW+1] = {'\0'};
require(app_context, exit);
// init humiture sensor DHT11
ret = DHT11_Init();
if(0 != ret) // init error
{
err = kNoResourcesErr;
user_log("DHT11 init failed!");
goto exit;
}
else
{
err = kNoErr;
}
while(1)
{
mico_thread_sleep(2); // data acquisition && upload every 2 seconds
// check fogcloud connect status
if(!app_context->appStatus.fogcloudStatus.isCloudConnected)
{
continue;
}
// fogcloud connected, do data acquisition
ret = DHT11_Read_Data(&dht11_temperature, &dht11_humidity);
if(0 != ret)
{
err = kReadErr;
}
else
{
err = kNoErr;
// temperature/humidity display on OLED, each line 16 chars max
OLED_ShowString(OLED_DISPLAY_COLUMN_START, OLED_DISPLAY_ROW_2, "Demo Read H/T "); // clean line2
memset(oled_show_line, '\0', OLED_DISPLAY_MAX_CHAR_PER_ROW+1);
snprintf(oled_show_line, OLED_DISPLAY_MAX_CHAR_PER_ROW+1, "T: %2dC ", dht11_temperature);
OLED_ShowString(OLED_DISPLAY_COLUMN_START, OLED_DISPLAY_ROW_3, (uint8_t*)oled_show_line);
memset(oled_show_line, '\0', OLED_DISPLAY_MAX_CHAR_PER_ROW+1);
snprintf(oled_show_line, OLED_DISPLAY_MAX_CHAR_PER_ROW+1, "H: %2d%% ", dht11_humidity);
OLED_ShowString(OLED_DISPLAY_COLUMN_START, OLED_DISPLAY_ROW_4, (uint8_t*)oled_show_line);
// create json object && upload to cloud
send_json_object = json_object_new_object();
if(NULL == send_json_object)
{
user_log("create json object error!");
err = kNoMemoryErr;
}
else
{
// create json object && data string to upload
json_object_object_add(send_json_object, "dht11_temperature", json_object_new_int(dht11_temperature));
json_object_object_add(send_json_object, "dht11_humidity", json_object_new_int(dht11_humidity));
upload_data = json_object_to_json_string(send_json_object);
if(NULL == upload_data)
{
user_log("create upload data string error!");
err = kNoMemoryErr;
}
else
{
// upload data string to fogcloud, the seconde param(NULL) means send to defalut topic: '<device_id>/out'
MiCOFogCloudMsgSend(app_context, NULL, (unsigned char*)upload_data, strlen(upload_data));
user_log("upload data success!\r\ntopic=%s/out\tdht11_temperature=%d, dht11_humidity=%d",
app_context->appConfig->fogcloudConfig.deviceId,
dht11_temperature, dht11_humidity);
err = kNoErr;
}
// free json object memory
json_object_put(send_json_object);
send_json_object = NULL;
}
}
}
exit:
user_log("ERROR: user_main exit with err=%d", err);
return err;
}
/* Message upload thread
* Get DHT11 temperature/humidity data && upload to cloud
*/
void user_upstream_thread(void* arg)
{
user_log_trace();
OSStatus err = kUnknownErr;
app_context_t *app_context = (app_context_t *)arg;
json_object *send_json_object = NULL;
const char *upload_data = NULL;
uint8_t ret = 0;
require(app_context, exit);
/* init humiture sensor DHT11 */
do{
ret = DHT11_Init();
if(0 != ret){ // init error
user_log("DHT11 init failed!");
err = kNoResourcesErr;
mico_thread_sleep(1); // sleep 1s then retry
}
else{
err = kNoErr;
break;
}
}while(kNoErr != err);
/* thread loop */
while(1){
// do data acquisition
ret = DHT11_Read_Data(&dht11_temperature, &dht11_humidity);
if(0 != ret){
err = kReadErr;
}
else{
err = kNoErr;
user_log("dht11_temperature=%d, dht11_humidity=%d",dht11_temperature, dht11_humidity);
// create json object to format upload data
send_json_object = json_object_new_object();
if(NULL == send_json_object){
user_log("create json object error!");
err = kNoMemoryErr;
}
else{
// add temperature/humidity data into a json oject
json_object_object_add(send_json_object, "dht11_temperature", json_object_new_int(dht11_temperature));
json_object_object_add(send_json_object, "dht11_humidity", json_object_new_int(dht11_humidity));
json_object_object_add(send_json_object, "lamp_switch", json_object_new_boolean(lamp_switch));
json_object_object_add(send_json_object, "pump_switch", json_object_new_boolean(pump_switch));
// json_object_object_add(send_json_object, "rgbled_switch", json_object_new_boolean(rgbled_switch));
// json_object_object_add(send_json_object, "hasImage", json_object_new_boolean(hasImage));
upload_data = json_object_to_json_string(send_json_object);
if(NULL == upload_data){
user_log("create upload data string error!");
err = kNoMemoryErr;
}
else{
// check fogcloud connect status
if(app_context->appStatus.fogcloudStatus.isCloudConnected){
// upload data string to fogcloud, the seconde param(NULL) means send to defalut topic: '<device_id>/out'
MiCOFogCloudMsgSend(app_context, NULL, (unsigned char*)upload_data, strlen(upload_data));
// user_log("upload data success! \t topic=%s/out \t dht11_temperature=%d, dht11_humidity=%d",
// app_context->appConfig->fogcloudConfig.deviceId,
// dht11_temperature, dht11_humidity);
err = kNoErr;
}
}
// free json object memory
json_object_put(send_json_object);
send_json_object = NULL;
}
}
mico_thread_sleep(2); // data acquisition && upload every 2 seconds
}
exit:
if(kNoErr != err){
user_log("ERROR: user_uptream exit with err=%d", err);
}
mico_rtos_delete_thread(NULL); // delete current thread
}