C++ (Cpp) ioGPIO Examples

Example #1

File: user_main.c Project: openenergymonitor/ESP8266_Relay_Board

void ICACHE_FLASH_ATTR mqttDataCb(uint32_t *args, const char* topic, uint32_t topic_len, const char *data, uint32_t lengh)
{

	char strTopic[topic_len + 1];
	os_memcpy(strTopic, topic, topic_len);
	strTopic[topic_len] = '\0';

	char strData[lengh + 1];
	os_memcpy(strData, data, lengh);
	strData[lengh] = '\0';

	char relayNum=strTopic[topic_len-1];
	char strSubsTopic[strlen((char *)sysCfg.mqtt_relay_subs_topic)];

	os_strcpy(strSubsTopic,(char *)sysCfg.mqtt_relay_subs_topic);
	strSubsTopic[(strlen((char *)sysCfg.mqtt_relay_subs_topic)-1)]=relayNum;



    char mqtt_temp_topic[strlen((char *)sysCfg.mqtt_temp_subs_topic)];

    os_strcpy(mqtt_temp_topic,(char *)sysCfg.mqtt_temp_subs_topic);


	os_printf("MQTT strSubsTopic: %s, strTopic: %s \r\n", strSubsTopic, strTopic);


	if (os_strcmp(strSubsTopic,strTopic) == 0 ) {
		os_printf("Relay %d is now: %s \r\n", relayNum-'0', strData);
		
		if(relayNum=='1') {
			currGPIO5State=atoi(strData);
			ioGPIO(currGPIO5State,RELAY_GPIO);
		}
		
		if( sysCfg.relay_latching_enable) {		
			sysCfg.relay_1_state=currGPIO5State;
			CFG_Save();
		}	
	}else if (os_strcmp(mqtt_temp_topic,strTopic) == 0 ) {
			MQTTreading=atoi(strData)*100;
			os_printf("MQTT temp: %d \r\n", MQTTreading);
	}
	os_printf("MQTT topic: %s, data: %s \r\n", strTopic, strData);
}

Example #2

File: cgi.c Project: adool88/ESP8266_Relay_Board

//Cgi that turns the Relays on or off according to the 'relayX' param in the GET data
int ICACHE_FLASH_ATTR cgiGPIO(HttpdConnData *connData) {
	int len;
	char buff[128];
	int gotcmd=0;
	
	if (connData->conn==NULL) {
		//Connection aborted. Clean up.
		return HTTPD_CGI_DONE;
	}

	len=httpdFindArg(connData->getArgs, "relay1", buff, sizeof(buff));
	if (len>0) {
		currGPIO12State=atoi(buff);
		ioGPIO(currGPIO12State,12);
		gotcmd=1;
		//Manually switching relays means switching the thermostat off
		if(sysCfg.thermostat1state!=0) {
			sysCfg.thermostat1state=0;
		}
	}
	
	if(gotcmd==1) {
		if( sysCfg.relay_latching_enable) {		
			sysCfg.relay_1_state=currGPIO12State;
			CFG_Save();
		}

		httpdRedirect(connData, "relay.tpl");
		return HTTPD_CGI_DONE;
	} else { //with no parameters returns JSON with relay state

		httpdStartResponse(connData, 200);
		httpdHeader(connData, "Content-Type", "text/json");
		httpdHeader(connData, "Access-Control-Allow-Origin", "*");
		httpdEndHeaders(connData);

		len=os_sprintf(buff, "{\"relay1\": %d\n,\"relay1name\":\"%s\"}\n",  currGPIO12State,(char *)sysCfg.relay1name );
		httpdSend(connData, buff, -1);
		return HTTPD_CGI_DONE;	
	}
}